• 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:
    A liquid disinfectant or detergent dispenser comprising a substrate, for example a base (10) placed against the ground or floor, defining a first interior; an openable and closable housing (20) positioned above the support surface defined by the lateral dimensions of the stand (10) and on the stand; at least an arm (30) attached to the stand and rising vertically from the stand; a spout (40) projecting from the shaft and located higher than the top surface of the fluid reservoir; a housing (20) interior and the spout (40) for fluid communication between the forming pipe system (50, 51, 52) which at least comprises between the first tube (51), a second tube (52) and the first and second tube be located the mechanical pump (50); wherein the first tube (51) is connected at its first end to a lower liquid container (25) housed in a separate housing (20) or to the lower part of the liquid tank itself (20), or 25), wherein the first end of the first tube is disposable within the fluid reservoir, preferably at the bottom thereof, and the first tube (51) is further connected at one end to the inlet connection of the pump (50), thereby providing fluid communication between the fluid reservoir and the pump (50); wherein the second tube (52) is connected at its first end to the outlet of the pump (50) and the second end of the second tube (52) is in fluid communication with the flow tube (40), thereby forming a fluid connection between the pump (50) and the flow tube (40); characterized in that the pump (50) is located partially in a first interior defined by the outer surfaces of the base (10), the pump chamber (50) being made of at least partially flexible material, the pump (50) being operable to pump liquid by applying a base (10) to the pump chamber external pressure; and in that the part of the base (10) located on the same side of the pump (50) and the spout (40) as the arm (30) is inclined with respect to the support surface so that the outer edge of the base (10) is closer to the support surface than that part of the base, wherein the pump (50) and / or the attachment point of the arm (30) and the base (10) are located. In addition, protection requirements 2-5.
    公开号:FI12741Y1
    申请号:FIU20204066U
    申请日:2020-04-22
    公开日:2020-09-15
    发明作者:Juha Hellgren；Joonas Heiskanen；Niko Aleksi Palo；Heikki Rosti
    申请人:Verstas Helsinki Oy；
    IPC主号:
    专利说明:

    The present invention relates to a dispensing device for a liquid, in particular a liquid for disinfecting hands.
    Background In order to maintain high hygiene standards, for example to reduce the infection of microbial infectious diseases, it is recommended to e.g. thorough hand washing and also the use of hand sanitizer, colloquial hand glove.
    Typical traditional handheld handheld users are - healthcare professionals, for example, and the pumpable handheld handheld is a familiar sight, for example, in hospitals, doctor's offices and nursing homes.
    In the context of an infectious disease epidemic, it is hoped that improved hygiene will also be observed in other areas with large numbers of people.
    These include schools, restaurants, shops and others - business premises and public transport.
    It is not always possible to provide the possibility of hand washing, which creates the need to be able to provide the possibility of hand disinfection in a hygienic way.
    Description of the Related Art A typical solution for hand dispensing a public space is a table or wall mounted dispenser providing a dispenser and a liquid container O substantially above it, from which user N is provided with a suitable dose of liquid disinfectant by pressing a lever 0 or a push button.
    There are also electrically operated E dispensers in which the sensor detects an O 25 hand coming under the dispenser and dispenses the disinfectant automatically without requiring user contact with the device.
    Similar manual or electric O solutions are also provided and commonly used for the dispensing of detergents, for example> hand soap.
    The container of a typical dispensing device contains about 1-1.5 liters of liquid.
    A typical amount of disinfectant to be dispensed may be, for example, 3 ml. In this case, about 330 doses are enough from a 1 liter tank. However, in busy public places, such as shops, public transportation, or offices, 330 users may be only a small fraction of daily visitors, with the disinfectant often running out and the tank having to be changed or refilled constantly. Also, electricity is not always readily available. In this case, the dosing device that needs electricity must be battery or accumulator-powered, which further increases the need to monitor and maintain the operation of the device. The need to manually push the lever or other activating means of the manual dispenser also creates a risk of infection through the dispenser itself. Thus, dispensing devices in hospital use generally use a longer activation lever that can be pressed with the arm, so that the user does not have to touch the lever with his hand. Healthcare personnel are trained to use the device correctly, but in public places, a significant portion of users may not understand or be able to use this feature, but may be involved in leverage that may be a source of infection with their hand. Summary The goal is to provide a device that solves the problem of how to dispense a large number of doses of liquid hand sanitizer hygienically. This object is achieved by an N dosing device that meets the protection requirements.
    N 5 The invention is based on the idea that the device is equipped with a pedal-operated, pedal-operated pump that pumps down from a larger liquid container placed close to the support surface with one push & 25 further from the spout to provide the user with a suitable amount of S The amount of liquid to be pumped is determined by the change in the volume of the pump chamber caused by the partial compression of the pump chamber outside the outer surface of the stand. The device according to the invention makes it possible to dispense a suitable amount of liquid hand cleaner or disinfectant without touching the dispensing device by hand. By placing a Large Detergent or Disinfectant Container down on a stand against a support surface, such as the ground or floor, a large container can be used, which reduces the need for maintenance of the dispenser. At the same time, the center of gravity of the dosing device is low, so that it does not fall easily. The foot-operated pump is simple in construction and operation and thus durable, reliable and inexpensive. As a simple device, the dosing device is also easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS The details of the invention will now be described in more detail with reference to the preferred embodiments and with reference to the accompanying drawings, in which Figure 1 shows the general concept of a dispensing device. Figure 2 shows the dispensing device housing open. Figure 3 illustrates the operating principle of the dispensing device.
    S N Figure 4 illustrates the fluid flow in the dispenser
    S O 20 - Figure 5 shows the functional parts of the dispensing device
    T Fig. 6 shows a dispenser stand 3 3 Figs. 7a and 7b show some embodiments of a dispensing device
    S 2 Fig. 8 shows an embodiment of a dispensing device from the side Fig. 9 shows an embodiment of a dispensing device
    Figure 10 shows a side view of an embodiment of a dispensing device. Detailed description Figure 1 shows a general concept of a dispensing device. The dispensing device comprises a stand (10) which forms a support surface for the dispensing device. The base (10) is preferably flat in shape, i.e. its lateral dimensions are greater than its vertical height. In this way, the stand forms a wide support surface, but does not rise very high from the base, so that the pump (50) placed on the stand can be easily operated, for example by pressing with the foot. The outer surfaces of the stand (10) define a partially enclosed interior. The stand is intended to be placed, for example, on the floor or ground or on another at least substantially flat surface. The base, preferably its upper surface, has at least one opening from which the pump (50) extends at least partially beyond the outer surface, preferably the upper surface. A housing (20) is mounted on the base (10), above the support surface formed by it. The housing can be opened and closed so that a liquid tank (not shown) can be placed inside it. Alternatively, the housing itself can form a liquid container so that liquid, in particular a disinfectant or cleaning agent, can be poured into it. In this case, care must be taken to ensure that the housing itself forms a liquid - tight basin or O 20 container.
    S An arm (30) rising vertically upwards from the base, which is preferably hollow, is further attached to the base. A spout (40) projecting therefrom is attached to the arm or is formed from the arm. In addition to the base, the arm can also be attached to the housing (20), which can contribute to improving the mechanical support of the arm (30) and thus the mechanical strength of the dispensing device, for example in the event of an external lateral force.
    The base (10), housing (20), arm (30) and spout (40) of the dispensing device are preferably made of metal, for example stainless steel.
    The housing (20), which does not have the same durability requirements as, in particular, the stand (10) and the arm (30), can also be made of aluminum 5.
    The advantage of a metal structure is the sufficiently high rigidity and weight of the structures that make it stable.
    Alternatively, one or more of said parts may be made of another material suitable for the intended use, for example powder-coated steel or other metal.
    The arm (30) may be a rectangle or square in cross-section as shown in the figure, but other cross-sections of the arm may also be considered, for example a circle or an ellipse.
    A plate (60) can also be placed at the upper end of the dispensing arm (30) at a desired angle of inclination, which makes it possible, for example - to place the operating instructions for the device in connection with the device itself at the desired viewing height.
    Figure 2 shows an opened housing according to an embodiment.
    In this embodiment, the housing can be opened above it, whereby one or more opening lids (21) can be hinged for opening and closing, for example.
    A separate liquid tank O (25) can be placed in the opened housing. In this case, the liquid container is represented by a canister, which may be, for example, plastic.
    Preferably, the liquid container (25) is at least partially translucent, = wherein the amount of cleaning or disinfectant z in the liquid container can be viewed without removing the liquid container from the housing.
    O 25 - The liquid tank is preferably connected to a piping which is in liquid communication with the flow pipe.
    In the embodiment of Figure 2, the cap of the liquid container has an S-pass through which a first tube (51) can be inserted> into the liquid container.
    Alternatively, the grommet may be located at a location other than the - cap.
    In order for the first pipe (51) to allow as much of the liquid in the tank as possible to be transferred by means of the pump and the piping, it is good for the first pipe (51) to extend approximately to the bottom of the liquid tank.
    In an alternative embodiment, the housing (20) itself acts as a liquid reservoir, wherein the liquid reservoir end of the first tube (51) is preferably at or near the bottom of the housing acting as a liquid reservoir.
    Figure 3 shows the operating principle of the dispensing device.
    The fluid reservoir (25) may be designed to be replaced or filled.
    If the liquid tank (25) needs to be filled, its re-opening and closing filling opening (27) should be large so that the liquid (26) can be easily poured into the liquid tank (25).
    When the pump (50) is pumping, the liquid (26) moves in the direction of the arrows through the first pipe (51) to the pump (50) and further through the second pipes (52) to the flow pipe (40). The chamber size of the pump (50) is typically larger than that provided by a single pump - the desired amount of fluid.
    The control of the amount of liquid supplied is arranged by placing the pump (50) inside the stand so that only a part of the pump (50) is outside the outer surface of the stand.
    This is illustrated in the diagram with a dashed line (55) illustrating the level of the top surface of the stand with respect to the pump.
    Since only part of the pump is above the interior formed by the stand, the chamber of the pump (50) can only be partially compressed. Fig. 4 shows a preferred embodiment, however, with the housing (20) 2 and the upper surface of the stand (10) removed to increase clarity.
    E In this embodiment, the first connection (53) between the pipe (51) and the fluid reservoir (25) is located in the lower part of the fluid reservoir (25), thus forming a fluid connection through the first pipe (51) between the fluid reservoir S (25) and the pump (50).
    In this case, the pressure of the liquid in the liquid tank (25) contributes to the pumping of the liquid up to the flow pipe by means of the pump (50).
    The first tube (51) runs inside the stand to the pump (50) and the second tube (52) runs inside the stand (10) and further inside the arm (30) towards the flow tube (not shown). At least a part of the pump (50) extends beyond the outer surfaces of the base (10), in particular above the upper surface of the base (10).
    In this way, the pump (50) can be activated, i.e. the shape of its chamber and at the same time the volume can be changed by pressing it from above the base, for example with a foot or a shoe sole.
    The change in the size of the pump chamber due to the pressing of the pump and the consequent deformation determines the volume of liquid supplied through the pump outlet valve, and thus also the amount of liquid supplied through the second pipe (52) and further through the flow pipe (40).
    However, Fig. 5 shows an alternative embodiment with the housing (20) and the upper surface of the stand (10) removed to increase clarity.
    A first pipe (51) connected to a separate, replaceable - liquid tank (25) inside the housing (not shown) runs inside the housing and from there on to the interior of the stand (10) where it is connected to the pump (50). As in the embodiment of Figure 4, at least a portion of the pump (50) extends beyond the outer surfaces of the base (10).
    Fig. 6 shows a preferred embodiment in which an opening corresponding to the appearance of the pump (50) is formed in the upper surface o 20 of the base (10), from which the O pump (50) extends at least partially with respect to the upper surface of the base (10), i.e. the base (10) above the opposite surface 2.
    In this case, the volume of the chamber of the pump (50) changes downwards E by temporarily pressing the amount by which the depression of the part of the pump extending above the base surface O 25 - of the base surface s changes the volume of the pump chamber as the chamber is formed.
    Thus, the amount of liquid to be pumped with one push and further dispensed from the flow tube depends indirectly on this part of the pump extending above the upper surface of the stand.
    Alternatively, the pump itself may be sized so that compression of its chamber will provide the desired amount of fluid from the spout.
    In this case, even the entire pump can be placed above the top surface of the stand if desired.
    However, a particularly small pump, only for the desired relatively small liquid dosing volume, slows down, for example, the commissioning of the device when the pipes are initially empty of liquid.
    With a larger pump, the pipes can be inflated more quickly by extending the presses of the pump below the top surface of the stand, thus causing a larger-than-normal change in volume in the pump.
    In the use of hand disinfection, the amount of liquid delivered by the dispensing device to the pump by a single press is preferably about 1 to 5 milliliters, more preferably about 2 to 4 milliliters, and even more preferably about 3 milliliters.
    The desired amount of liquid to be dispensed can be determined by the size of the pump section above the top surface of the stand.
    If necessary, the user can activate the dosing by pressing the pump with his foot several times, so that if the pump chamber has time to fully return to its original shape between presses, each press always produces the same amount of liquid from the spout.
    For example, with a portion size of 3 milliliters and a 10 liter liquid container, a single refill can provide from the dispenser & about 3,300 doses, which is ten times the number of approximately 1 liter liquid containers commonly used in the art.
    The dispensing device 7 with a higher capacity thus obtained requires much less maintenance - due to the filling of the liquid tank. = O 25 - The pump used in the dosing device is preferably a simple 2 liquid pump, for example a so-called A ‘primer pump’ is a mechanical, S-manually operated pump in which a flexible, bubble-like> chamber of the pump is placed between two non-return valves.
    The volume of the pump chamber decreases as it is compressed, causing the fluid in the chamber to be squeezed out of its outlet valve toward the second pipe (52). The amount of liquid leaving the pump is determined by the change in the volume of the interior of the pump chamber caused by compression / pressing.
    Thus, the portion of the pump (50) extending beyond the outer surface of the stand (10) indirectly determines the amount of liquid disinfectant or cleaner available from the spout of the pump (50) with a single press.
    When the compression ceases, the chamber returns to its original shape and volume due to its flexibility, whereby it draws in liquid through the inlet valve - from the first pipe (51). The chamber of this type of pump is generally made mainly of a flexible material, for example natural or synthetic rubber, which preferably has a tendency to return to its original shape after compression has ceased.
    Rubber is also mechanically and chemically resistant and inexpensive in a material selection pump.
    These types of pumps are commercially available.
    In addition to the flexibility of the pump chamber, it is important that the materials in contact with the disinfectant or cleaner do not react chemically, which could damage the pump and / or cause unwanted materials to mix with the disinfectant or cleaner.
    For example, effective disinfectants typically contain at least about 70% alcohol, e.g., ethanol or denatured ethanol, so all materials of the pump components, including the chamber and valves, must be tolerant of such strong alcohols, as well as other chemicals used in the disinfectants.
    The same compatibility requirement applies not only to the pump (50) but also to the dispensing device & all other parts in contact with the disinfectant or cleaning agent E, including at least the first (51) and second pipe S (52) and the flow pipe (40). A typical pump suitable for this application as well is made of alcohol-resistant rubber.
    Connectors - can be metal or plastic, for example.
    The tubes (51, 52) are preferably flexible or flexible or contain one or more flexible joint joints. When dispensing hand disinfectant, it is important that the disinfectant is always dispensed in an appropriate amount for both consumption and comfort. This avoids, on the one hand, the need to pump the liquid several times and, on the other hand, avoids splashing of the liquid and unnecessarily excessive consumption. Preferably, dosing can be performed utilizing the volume change characteristics of the chamber of the pump (50) as described above. The pump (50) is preferably located at least partially inside the base (10) and fixed to the base in such a way that it cannot move = out of position as its shape and volume change, but - mounting - allows the pump (50) to deform inside the base (10). Such fastening can be realized, for example, by a separate pump housing, which is fastened to the base below its upper surface - made of metal, preferably aluminum, which is dimensioned and shaped according to the dimensions of the pump. Figures 7a and 7b show perspective views of an embodiment in which the cover (21) of the housing (20) consists of a single piece designed to move vertically relative to the housing (20). Fig. 8 o 20 - shows the same embodiment seen from the side. The lid can O - still adhere to the support structure (28) in which the detachable 5 disinfectant or cleaning agent container (25, not shown) can be placed 2 before it is inserted into the housing (20).
    Fig. 9 and Fig. 10 show an embodiment of the dispensing device in which the & 25 base (10) is at its front, i.e. on the same side with respect to the arm (30), N on which the flow tube (40) and the pump (50) are located, at least partially oblique 5 (101) at an angle «to the horizontal support surface (100) so that the outer edge of the stand is closer to the support surface than those parts of the stand (10),
    where the pump (50) or arm (30) attachment point is located.
    Thus, the stand (10) forms a support surface rising obliquely (101) towards the pump and / or arm relative to the substantially horizontal support surface (100) below the stand, for example for the shoe or foot on which the pump is used.
    This embodiment is suitable for use with all of the described embodiments.
    The beveled stand (10) facilitates the use of the pump (50), as the user can then lower his foot onto the stand (10) to operate the pump.
    This makes it easier to maintain the user's balance when using the dispenser, as both feet can be supported when using the pump with the foot on, the one on the ground and the other on the bevelled top surface (10a) of the stand. In a typical operating situation, the rear part of the foot driving the pump, at least the heel, then rests primarily on the bevelled part (10a) of the base (10) when the front part of the foot, for example the toe or toes, is used to activate the pump.
    If the foot has a shoe, the base of the shoe rests primarily on the bevelled part (10a) of the base (10) and the tip of the shoe can be used to activate the pump, i.e. to press.
    The at least one vertical wall of the housing may further have one or more elongate openings or windows (23) from which the amount of liquid in the transparent liquid container placed in the housing can be monitored.
    S Such one or more elongate openings or windows are suitable for use with all embodiments.
    If the housing N itself is used - as a liquid tank without a separate € 0 liquid tank to be inserted inside it, one or more elongated windows (23) allow the amount of liquid in the E 25 housing to be monitored. & To facilitate installation and maintenance, the arm (30) can be made of two detachable parts (30a, 30b). In this case, the attachment of the second pipe S (not shown) to the fluid connection with the flow pipe (40) can be performed more easily, because the connection of the second pipe and the flow pipe can be placed close to the arm parts (30a, 30b).
    connection point, making it easy to access. Figure 8 also shows how a part of the pump (50), in particular the flexible chamber of the pump, extends outside (above) the base (10). In addition, in all embodiments, below the spout (40), there may optionally be - preferably a drip tray removably attached to the arm (30) to prevent any liquid dripping from the spout from falling onto the pad, the pump and / or the wearer's shoe or clothing. The detachable drip tray is easy to temporarily remove from the dispenser, for example for cleaning. The distance of the drip tray from the spout can be freely chosen, but preferably so that the user hand of the dispenser fits naturally between the drip tray and the spout and further that the user's foot fits below the drip tray without the risk of a pump knee or thigh platform. Preferably, the drip tray has edges extending towards the spout which prevent liquid from accumulating on the drip tray. It is obvious to a person skilled in the art that as the technology develops, the basic principle of the invention can be implemented in various ways. The invention and its embodiments are therefore not limited to the examples given above, but may vary as defined by the claims. S OF
    K <Q LO
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    N 5
    权利要求:
    Claims (5)
    [1]
    A device for dispensing a liquid disinfectant or cleaning agent, comprising - a base (10) placed against a base, for example on the ground or a floor, defining a first interior; - an openable and closable housing (20) located above the support surface defined by the lateral dimensions of the base (10) and on the base; - at least an arm (30) fixed to the stand and rising vertically from the stand; - a spout (40) projecting from the stem, located higher than the upper surface of the liquid container; - a housing (20) interior and the spout (40) for fluid communication between the forming pipe system (50, 51, 52) which at least comprises between the first tube (51), a second tube (52) and the first and second tube be located the mechanical pump (50); wherein the first tube (51) is connected at its first end to a lower part of the liquid container (25) arranged in the separate housing (20) or to the liquid container formed by the housing (20) itself, N or. - wherein the first tube (51) is releasably detachable at its first end 7 - connectable to an interchangeable liquid container (25) I placed in the housing (20), the first end of the first tube a 25 being disposable inside the liquid container, and preferably at its bottom, ) is further connected at one end to the inlet connection of the pump (50), thus forming a fluid connection between the fluid reservoir and the pump (50);
    wherein the second tube (52) is connected at its first end to the outlet of the pump (50) and the second end of the second tube (52) is in fluid communication with the flow tube (40), thereby forming a fluid connection between the pump (50) and the flow tube (40); characterized in that the pump (50) is located partially in a first interior space defined by the outer surfaces of the base (10), the pump chamber (50) being made of at least partially flexible material, the pump (50) being operable to pump liquid by applying a base (10) to the pump chamber external pressure; and in that the part of the base (10) located on the same side of the pump (50) and the spout (40) as the arm (30) is inclined with respect to the support surface so that the outer edge of the base (10) is closer to the support surface than that part of the base, wherein the pump (50) and / or the attachment point of the arm (30) and the base (10) are located.
    [2]
    A liquid disinfectant or cleaning agent dispensing device according to claim 1, wherein the pump (50) is located partially in the first interior so that a portion of the pump (50) extends beyond the outer surface of the base (10), preferably above, the outer surface of the base (10), preferably O to the top surface, through an opening N conforming to the shape of the pump (50), the amount of liquid disinfectant or cleaning agent O to be dispensed through the flow tube E 25 due to the change in the volume of the pump chamber caused by a single press of the pump (50) being about 1-5 ml, preferably about 2- 4 ml, most preferably about 3 s ml.
    [3]
    A liquid disinfectant or cleaning agent dispensing device according to claim 1 or 2, wherein the pump (50) is attached to the base (10) inside it so that the shape of the pump chamber can temporarily and reversibly change when a part of the pump extending outside the base is pressed.
    [4]
    A liquid disinfectant or cleaning agent dispensing device according to any one of the preceding protection claims, wherein the pump (50) is a so-called a primer pump having a flexible bubble-shaped chamber made of rubber and two non-return valves at opposite ends of the chamber connected to the first and second tubes (51, 52), respectively.
    [5]
    A liquid disinfectant or cleaning agent dispensing device according to any one of the preceding claims, wherein the housing (20) further comprises at least one elongate opening on at least one vertical side thereof or a transparent window (23) for monitoring the amount of liquid in the liquid container (25).
    O
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    同族专利:
    公开号 | 公开日
    FI12740Y1|2020-09-15|
    引用文献:
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    法律状态:
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