• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In a storage tank for liquid for a Einsatzfahr-, in particular fire engine, with a trained as a hollow body tank body (12) with an interior (13) of the tank body (12) enclosing tank wall (14) on which a means of a closure cap 22nd in the state of use closed access opening (21) and at least one inlet opening (23a-c) are formed for supplying liquid is between the at least one inlet opening 23a-c and at least one on the end cover (22) arranged inlet opening (26a-c ) formed at least one interior of the storage tank (11) formed inlet channel (27a-c).
    公开号:AT520912A2
    申请号:T51089/2018
    申请日:2018-12-07
    公开日:2019-08-15
    发明作者:Hinterberger Frank
    申请人:Albert Ziegler Gmbh；
    IPC主号:
    专利说明:

    Storage tank for liquid and emergency vehicle with storage tank
    The invention relates to a storage tank for liquid for an emergency vehicle, in particular fire engine, with a trained as a hollow body tank body with an interior of the tank body enclosing tank wall to which a closed by means of a closure lid in use access port and at least one inlet opening for supplying liquid.
    Such storage tanks for liquids, especially water tanks, have long been known and usually integrated into the vehicle body of fire engines. Known water tanks have an inlet opening on the front side for filling with water. The water can be taken from the public drinking water network via a hydrant and fed to the water tank via a hose. Alternatively, it is possible to remove water from other sources of water, such as stagnant water such as an extinguishing pond from where water then sucked by a pump, such as fire brigade centrifugal pump, and then the water tank via the pressure port of the pump via a hose, on the one hand the pressure port of the pump and on the other hand connected to the inlet opening of the water tank are. Furthermore, water tanks have a closure lid which, in use, closes an access or inspection opening. The closure cap is designed as a so-called manhole cover and allows access to the water tank for the purpose of cleaning or maintenance or inspection.
    The object of the invention is to provide a storage tank for liquid, which has a greater functionality compared to known from the prior art storage tanks and higher demands on the reliability is fair.
    This object is achieved by a liquid storage tank for an emergency vehicle having the features of independent claim 1. Further developments are shown in the subclaims.
    The storage tank for liquid according to the invention is characterized in that between the at least one inlet opening and at least one inflow opening arranged on the closure lid, at least one inflow channel formed in the interior of the storage tank is formed.
    The liquid, which is preferably water, is therefore not brought directly into the tank via the inlet opening, but flows via an inlet channel, which is located in the interior of the tank, to an inlet opening and from there into the storage tank. As a rule, the closure lid, which can also be referred to as a manhole cover, is located at the top of the tank body, that is, at a ceiling portion of the tank wall, so that liquid is supplied via the top of the tank. The inflow opening is therefore arranged above the liquid surface in the tank. As a result, liquid located in the storage tank does not reach the inlet level until it reaches the highest level. Since the storage tank is usually never filled to 100% anyway, this virtually prevents any contaminated liquid can get into the mains network with still connected hydrant filling.
    In a particularly preferred manner, the inlet channel has an inlet portion, which is formed by a flexible connecting line which extends from the inlet opening to the closure lid. Conveniently, a hose is provided as a flexible connecting line. Theoretically, the use of a non-flexible, rigid connection line would be conceivable, for example in the form of a pipe, but this has disadvantages when opening the closure lid for the purpose of access to the interior of the tank, since first the piping must be solved before the closure lid can be removed ,
    Particularly preferably, the inlet channel has a passage section, which is at least partially integrated in the closure lid and ends at the inlet opening. The closure lid is therefore also designed as a multi-functional component and has, on the one hand, a closing function for closing the access opening and, on the other hand, a liquid guiding function when the liquid is fed into the storage tank.
    Conveniently, the passage section is connected directly to the input section. The flexible connection line of the input section is thus advantageously connected directly to the input section of the end cover.
    In a development of the invention, the closure lid has at least one connection opening, to which the associated inlet section is connected and from which the passage section extends to the inlet opening.
    In a particularly preferred manner, a plurality of inlet openings arranged separately from one another on the tank wall are present, which are each connected via separate inlet channels with associated, separate inlet openings. Conveniently, the separately formed inlet openings are assigned to a specific filling. At least one of the inlet opening is provided for the filling of the storage tank by water from the mains. At least one further of the inlet openings is provided for the filling of liquid, in particular water, from other sources, for example an extinguishing agent pond, in which liquid, in particular water, is sucked by means of a pump and passes via a line, for example a hose, to the associated inlet opening. The at least one inlet opening for the hydrant filling, which could also be referred to as a hydrant connection and the at least one inlet opening for the pump filling, which can also be referred to as a pump connection, are incompatible with one another, so that a hydrant filling via the pump connection or a pump filling via the hydrant connection is not is possible. This prevents liquid, in particular water, from being supplied via the otherwise "clean" inlet channels of the hydrant connection, possibly contaminating the inlet channels.
    In a particularly preferred manner, shut-off means for shutting off the inlet are switched on in the at least one inlet channel. This prevents the storage tanks from causing setbacks in the connected mains if there is still a connection to it. This prevents contamination from getting from the storage tank to the mains. A kickback from the storage tank in the connected pipe network is already practically excluded by the fact that the inlet openings are arranged at the top of the storage tank, but they are completely prevented by the installation of shut-off.
    The combination of several inlet openings, associated inlet openings at the top of the storage tank and built-in shut-off therefore meets the requirements of the current Drinking Water Ordinance.
    In a particularly preferred manner, the blocking means comprise at least one non-return valve.
    In a further development of the invention, the closure lid is designed in several parts, with an inserted in use in the access opening insert element and from a cover element, which together form at least one facing the interior of the tank body openings Umlenkkanal forming a longitudinal section of the passage section of the inlet channel or the entire Passage section forms.
    Particularly preferably, a bent pipe socket is used in the deflection channel, which forms a longitudinal section of the passage section. It is for example possible that a part of the inlet channel, ie a longitudinal section of the inlet channel is formed by the cover element and the insert element, and a further longitudinal section is formed by the pipe socket inserted into the deflection channel.
    In the case of multiple inlet channels are then on the closure lid several deflection channels, in each of which then an associated bent pipe socket is inserted.
    Particularly preferably, the shut-off, in particular the non-return valve are arranged in the pipe socket. The pipe socket is with respect to the insert element and the cover a separate component, whereby the expansion of the pipe socket and the maintenance or replacement of defective shut-off is possible in a simple manner.
    In a further development of the invention, the access opening on the tank wall is associated with an element for detachable mounting of the closure lid with closure means. The holding element is expediently a component separate from the tank body and from the closure lid. The support member may be formed, for example in the form of a retaining ring or a retaining flange. Conveniently, the support member is fastened with fastening means on the edge of the access opening and holds the closure lid in its use state. When opening the
    Closure lid, the support member remains attached to the tank body.
    In a further development of the invention, the closure means comprise a tool-operated bayonet lock. The bayonet closure is expediently formed by closure elements arranged on the holding element on the one hand and on the closure lid on the other hand. For example, can be formed on the holding element radially inwardly, tabs which are aligned in a release position with recesses on the closure lid, whereby the closure lid can be removed.
    The invention further comprises an emergency vehicle, in particular a fire engine, with a vehicle body, which is characterized in that the vehicle body has a liquid reservoir tank according to one of claims 1 to 14.
    A preferred embodiment of the invention is illustrated in the drawing and we explained in more detail below. The drawings show:
    1 shows a schematic perspective view of a preferred embodiment of the storage tank according to the invention,
    FIG. 2 shows a perspective view of a closure lid of the storage tank according to the invention of FIG. 1,
    FIG. 3 shows an exploded view of the components of the closure lid from FIG. 2,
    FIG. 4 shows a plan view of the closure lid of FIG. 2,
    5 shows a section through the closure lid along the line V-V from FIG. 4, FIG.
    FIG. 6 shows a further plan view of the closure lid of FIG. 2,
    7 shows a section through the closure lid of Figure 6 along the line VII-VII of Figure 6.
    Figures 1 to 6 show a preferred embodiment of a storage tank 11 for liquid for an emergency vehicle (not shown). The emergency vehicle is preferably a fire engine in the form of a fire truck, for example a tanker. Such vehicles have a storage tank for liquid, hereinafter called simply storage tank 11 for the sake of simplicity, which, depending on the type of vehicle has a different capacity, for example in the range of 600 liters to 4000 liters. Fire trucks with storage tanks with a capacity of 2000 liters or 4000 liters are also referred to as tank fire trucks.
    It goes without saying that the liquid which is stored in the storage tank 11 is water. In principle, however, it would also be possible for the storage tank 11 to receive other liquids. In the following, however, the invention will be described using the example of a storage tank for a fire truck with the medium water.
    The storage tank 11 has a tank body 12 formed as a hollow body with an interior 13 of the tank body 12 enclosing the tank wall 14. The tank body 12 is cubic according to preferred embodiment and is completely, so not visible from the outside, in a vehicle body (not shown) of a fire truck built-in. The tank wall 14 has a plurality of wall sections in pairs, which include a front wall section 15 and a rear wall section 16. There are also two side wall sections 17, 18, a bottom wall section 19 and a top wall section 20. For the purpose of revision, ie in particular for cleaning and maintenance of the storage tank 11, an access opening 21 in the form of a manhole is provided on the ceiling wall portion 20. The access opening 21 is closed in use by means of a closure cover 22, which may also be referred to as a manhole cover.
    On the tank wall 14 is also at least one inlet opening 23 for supplying water.
    In the exemplary embodiment shown, a plurality of inlet openings 23a-c are present on the rear wall section 16. The inlet openings 23a-c are arranged separately from each other and at a distance from each other and comprise a first inlet opening 23a for a pump connection and a second and third inlet opening 23b, 23c, for a hydrant connection. In contrast to prior art storage tanks, which use a single inlet opening for the pump and hydrant connection, the inlet openings for the pump connection and for the hydrant connection are hereby separated from one another.
    The two inlet openings 23b, 23c for the hydrant connection are, as the name suggests, connectable via suitable lines, in particular hoses with a hydrant. As a result, the storage tank 11 can be filled with water from the mains. For filling, the water pressure at the hydrant is sufficient.
    As shown in particular in FIG. 1, feed lines 24b, 24c are connected to the inlet openings 23b, 23c for the hydrant connection outside the storage tank 11, which are connected on the one hand to the associated inlet opening 23b, 23c and on the other hand to connections 25 for connecting feed lines, in particular hoses, which in turn are connectable to the hydrant, are provided.
    As further shown in Figure 1, shut-off means in the form of shut-off valves 26 are arranged at the terminals 25, which are, for example, manually operated and are provided for selectively blocking or opening the terminal. Further, in the supply lines 24b, 24c more shut-off means are turned on, but which are arranged in the region of the inlet openings 23b, 23c. By the further shut-off, which may for example also be designed as shut-off valves, in particular pivoting flaps, the supply lines 24b, 24c in the region of the inlet openings 23a-c can optionally shut off or release.
    An important aspect of the invention is that at least one inlet channel 27a-c formed in the interior of the storage tank 11 is formed between the at least one inlet opening 23 and at least one inlet opening arranged on the closure lid 22.
    According to a preferred embodiment, separate inlet channels 27a-c are connected to the inlet openings 23a-c, which then open at an associated inlet opening 26a-c on the closure lid 22.
    The first inlet opening 23a is provided for a pump connection. As shown in particular in FIG. 1, the first supply line 24a, which is located outside the storage tank 11, is connected to the first inlet opening and can be connected on one side to the associated inlet opening 23a and on the other hand to the pressure outlet of a pump. As a pump expediently a built-in pump is used in the form of a fire extinguisher pump, on the suction side a
    Supply line can be connected, which in turn for sucking water from stagnant water, such as extinguishing pond, etc., can be used.
    Quite essential is that the first inlet opening for the pump connection and the other inlet openings 23b, 23c are not compatible with each other, that is, the connection of a supply line for the hydrant connection to the first inlet opening for the pump connection is not possible. Furthermore, it is also not possible to connect the supply line provided for the pump connection to one of the inlet openings for the hydrant connection. This prevents potentially contaminated water from entering the "clean" feed channels 27b, 27c for water from the pipe network, possibly contaminating the interior of the feed channels. This can then lead to problems when the storage tank is completely filled with water from the mains, which should then be available, for example in case of disaster as additional drinking water supply.
    As shown in particular in FIG. 1, the inlet channels 27a-c each have an inlet section 28a-c, which is formed by a flexible connecting line in the form of a tube. The flexible connecting line extends from the associated inlet opening 24a-c to the closure lid 22. At the inlet section of a respective inlet channel 27a-c is followed, in particular, directly by a passage section 29a-c which is at least partially integrated in the closure lid 22 and at the associated one Inlet opening 26a-c ends.
    As shown in particular in Figure 2, the closure cap 22 is formed as a multi-functional component. The individual components of the closure lid are shown more clearly in FIG.
    The closure cap 22 has an insert element 30 inserted into the access opening 21 in use and a cover element 31 which together form at least one deflection channel 32a-c equipped with openings facing the interior 13 of the tank body 12 and which has a longitudinal section of the passage section 29a-c of the inlet channel 27a c or the entire passage section 29a-c forms.
    As shown in particular in Figure 3, the insert element is plate-shaped, with a plate-like base portion 32, on the upper side recesses 33a-c are formed. On the underside of the plate-like base portion 32 are downwardly projecting straight pipe socket 35a-c, 36a-c arranged, in particular integrally formed on the underside of the plate-like base portion 32. Expediently, the insert element 30 is a one-piece plastic part produced, for example, by means of plastic injection molding.
    As shown by way of example in FIG. 2, the pipe sockets include first straight pipe sockets 35a-c which each have a circular cross-section and have openings 37a-c on the underside. Furthermore, second straight pipe stubs 36a-c are provided which, unlike the first straight pipe stub 35a-c, have an oval cross-section. The second straight pipe sockets 36a-c terminate at their bottom in the inlet openings 26a-c.
    As FIGS. 3 and 7 in particular show, since three inlet channels 27a-c are provided, three inlet openings 26a-c are also provided at the mouths of the second straight tube stubs 36a-c and also correspond to three openings on the underside of the first straight tube stubs 35a-c. c. Accordingly, three diverter passages 34a-c are provided extending from the openings at the bottom of the first straight pipe stub 35a-c to the inflow openings 26a-c.
    As already mentioned, the deflection channels 34a-c are formed jointly by insert element 30 and cover element 31. As shown in particular in Figure 3, the cover 31 is also plate-like and has an outer flange-like ring portion 38, on which in particular at regular intervals to each other mounting holes 39 are formed. The annular portion 38 bounded in the circumferential direction an inner region 40 of the cover 31, in which three at regular intervals to each other arranged, upwardly projecting dome-shaped projections 41 formed, in particular formed there. The elevations correspond to the corresponding recesses 33a-c on the insert element 30, whereby the deflection channels 34a-c are completed if the cover element 31 is mounted on the insert element 30.
    As shown particularly in FIG. 3, in each deflection channel 34a-c, an associated curved pipe socket 42a-c is used, which forms a longitudinal section of the passage section 29a-c of the relevant inlet channel 27a-c. The bent pipe sockets 42a-c could also be referred to as pipe bends.
    As shown in particular in Figures 5 and 7, the bent pipe socket 42a-c each have a straight insertion portion 43 whose outer diameter is smaller than the outer diameter of the formed on the base portion 32 of the insert member 30 associated first straight pipe socket 35a-c. In use, the bent pipe socket 42a-c are plugged with their straight insertion portions 43 in the associated straight first pipe socket 35a-c, which, for example, as shown in Figure 7, the straight insertion portions 43 of the bent pipe socket 42a-c a piece down from the openings 37 of the straight first pipe socket 35a-c protrude. At the bottom of the straight end portions 43 of the bent pipe socket 42a-c are connection openings 44a-c for connecting the flexible
    Connecting line of the associated input sections 28a-c of the inlet channels 27a-c. Conveniently, the flexible connection lines are inserted through the associated connection openings 44a-c in the straight Endinsteckabschnitte 43 of the bent pipe socket 42a-c.
    Connected integrally to the end insertion section of a respective bent pipe socket 42a-c is an arc section 45 which expediently has a bend of 90 °. At the outlet end of the arcuate section 45 there is an opening region 46 with a mouth opening 47, wherein a shut-off means in the form of a non-return valve 48 is inserted into the mouth region 47. The mouth flap allows the passage of water in the flow direction from the connection opening 45a-c of the bent pipe socket 42a-c to the mouth opening 47, but prevents a reverse flow in the opposite direction. The arcuate portion 45 of a respective bent pipe socket 42a-c also serves as Einsteckbegrenzung the bent pipe socket, since the mouth portion 46 of the arc portion 45 surrounding wall portion 49 abuts a curved bearing part in the region of the recess 43a-c at the base portion of the insert member 30. The bearing section 50 forms a kind of bridge between the two straight pipe sockets 35a-c, 36a-c on the underside of the base section 32 of the insert element 30.
    The access opening 21 on the tank wall 14 is associated with a retaining element 51 for releasably securing the closure lid 22 by means of closure means. The support member 51 is a separate from the tank body 12 and the closure cover 22 component in the form of a retaining ring.
    As shown in particular in Figures 3 and 5, the support member 51 has an outer relatively large diameter flange portion 52 whose outer diameter is greater than the diameter of the access opening 51 and therefore at the edge region of the access opening 21 surrounding wall portion of the tank wall 14 is present. The flange section 42 is adjoined, in particular integrally formed therewith, by a pipe section 53 extending in the axial direction, which merges into a ring section 54, which in turn projects radially inwards. The support member 51 is therefore Z-shaped in cross section.
    The ring portion 54 has a plurality of circumferentially distributed disposed radially inwardly projecting tabs 57, which together form a contact surface for the base Partier 32 of the insert member 30 in use, and therefore form a Einsteckbegrenzung upon insertion of the insert member 30 in the access opening 21.
    As shown particularly in FIG. 3, the annular section 38 of the cover element 31 corresponds to the flange section 52 of the support element 51.
    When attaching the closure cover 22 is therefore after insertion of the insert member 30 into the access opening 21, which then rests against the permanently mounted support member, the cover 31 is placed, wherein the annular portion 38 of the cover 31 with the flange portion 52 of the support member 51 by appropriate fastening means , in particular fastening screws, is interconnected. In this case, the deflection channels 34a-c are completed by the elevations 51 on the cover element 31 and the insert element 30 is clamped between the cover element 31 and the support element 51.
    As shown in particular in FIG. 3, two sealing rings 60, 61 are provided, wherein a first sealing ring 60 is arranged between the annular section 38 of the cover element 31 and the flange section 52 of the retaining element 51 and a second is located on the underside of the flange section 52 of the retaining element 51 ,
    As already mentioned, closure means 22 are provided for the releasable mounting of the closure lid 22.
    The closure means comprise a tool-operated bayonet lock. As shown in particular in FIG. 3, the bayonet closure is formed by window-like recesses 56 or notches formed on the outer circumference of the plate-like base part 32, which are arranged at regular intervals spaced apart over the outer circumference of the base part 32. Further, the bayonet lock on the ring portion 54 of the retaining ring formed tabs 57. If the tabs 57 are aligned with the recesses 56, the insert member 30 can be folded away from the access opening 21 down or lift out after previous separation of the connecting lines.
    The storage tank according to the invention meets the requirements of the current Drinking Water Ordinance, since it inlet openings at the top of the tank body, separately arranged feeds for a pump and a hydrant port and check valves 48 to prevent a backlash of stored in the storage tank 11 water into the pipe network.
    权利要求:
    Claims (15)
    [1]
    1. storage tank for liquid for an emergency vehicle, in particular fire engine, with a hollow body designed as a tank body (12) with an interior (13) of the tank body (12) enclosing the tank wall (14) to which one by means of a closure cover (22) in use closed inlet opening (21) and at least one inlet opening (23a-c) are designed for supplying liquid, characterized in that between the at least one inlet opening (23a-c) and at least one on the closure cover (22) arranged inlet opening (26a-c) at least one in the interior of the storage tank (11) formed inlet channel (27a-c) is formed.
    [2]
    2. Storage tank according to claim 1, characterized in that the inlet channel (27a-c) has an inlet portion (28a-c), which is formed by a flexible connecting line, in particular hose, extending from the inlet opening (23a-c) to extends to the closure cover (22).
    [3]
    3. storage tank according to claim 1 or 2, characterized in that the inlet channel (27a-c) has a passage portion (29a-c) which is at least partially integrated in the closure cap (22) and at the inflow opening (26a-c) ends ,
    [4]
    4. Storage tank according to claim 3, characterized in that the passage section (29a-c) directly adjoins the input section (28a-c).
    [5]
    5. Storage tank according to one of claims 2 to 4, characterized in that the closure lid (22) has at least one connection opening (44a-c) to which the associated input section (28a-c) is connected and from which the passage section (FIG. 29a-c) extends to the inflow opening (26a-c).
    [6]
    6. storage tank according to one of the preceding claims, characterized in that a plurality of separately from each other on the tank wall (14) arranged inlet openings (23a-c) are provided, each with separate inlet channels (27a-c) with associated separate inlet openings (26a-c). c) are connected.
    [7]
    7. Storage tank according to one of the preceding claims, characterized in that in the at least one inlet channel (27a-c) shut-off means for shutting off the inlet are turned on.
    [8]
    8. Storage tank according to claim 7, characterized in that the blocking means in the passage section (29a-c) of the inlet channel (27a-c) are arranged.
    [9]
    9. Storage tank according to claim 7 or 8, characterized in that the blocking means comprise at least one non-return valve (48).
    [10]
    10. Storage tank according to one of claims 3 to 9, characterized in that the closure lid (22) is formed in several parts, with a in use state in the access opening (21) inserted insert element (30) and a cover (31), which together at least one forming with the interior (1§) of the tank body (12) facing openings Umlenkkanal (34a-c), which forms a longitudinal section of the passage portion (29a-c) of the inlet channel (27a-c) or the entire passage portion (29a-c) ,
    [11]
    11. Storage tank according to claim 10, characterized in that in the deflection channel (34a-c) a bent pipe socket (42a-c) is inserted, which forms a longitudinal section of the passage portion (29a-c).
    [12]
    12. Storage tank according to claim 11, characterized in that in the pipe socket (42a-c), the blocking means, in particular the non-return valve (48) are arranged.
    [13]
    13. Storage tank according to one of the preceding claims, characterized in that the access opening (21) on the tank wall (14) is associated with a retaining element (51) for releasably securing the closure cover (22) by means of closure means, wherein preferably the support member (51) as from the tank body (12) and the closure lid (22) is formed separate component, in particular designed as a retaining ring.
    [14]
    14. Storage tank according to claim 13, characterized in that the closure means comprise a tool-operated bayonet lock (55).
    [15]
    15. emergency vehicle, in particular fire engine, with a vehicle body, characterized in that the vehicle body comprises a storage tank (11) for liquid according to one of claims 1 to 14.
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    同族专利:
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    引用文献:
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    US9725236B2|2013-03-15|2017-08-08|Tankbag Properties Llc|Tank assembly with liner|EP3944880A1|2020-07-30|2022-02-02|Iveco Magirus Ag|Water supply system for a tank for a rescue vehicle|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102018201012.9A|DE102018201012A1|2018-01-23|2018-01-23|Storage tank for liquid and emergency vehicle with storage tank|
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