• 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:
    It is a trigger dispenser device (1) containing a secondary liquid suction duct (50) in communication with the dispenser duct, and a primary liquid suction duct (8) in communication with the container, off axis with each other. Among these, a connection compartment (64) is provided which communicates upstream with the primary liquid suction duct (8) and which communicates downstream with the secondary liquid suction duct (50) to form the connection fluid between them. In particular, the container (C) is of the type with the built-in suction pipe.
    公开号:BR112013006098B1
    申请号:R112013006098-0
    申请日:2011-04-07
    公开日:2020-06-23
    发明作者:Riccardo Alluigi；Stephen R. Dennis
    申请人:Guala Dispensing S.P.A.；
    IPC主号:
    专利说明:

    The present invention relates to an applicator device operated manually from a liquid, in general, operated by trigger.
    Such applicator devices, known as "trigger pumps", are extremely widespread, with an annual production of several hundred thousand pieces. They are, in fact, widely used in the home cleaning sector, for the treatment of fabrics and in the world of hobbies, etc.
    For the production of such devices to be economically advantageous, plants need to be able to produce and assemble an extremely large number of parts. Therefore, even small improvements in the component production process and in the assembly process can bring significant economic benefits.
    In particular, it is essential that the device is easy to assemble even when it has internal components that are asymmetric or off-axis.
    All of this must, necessarily, match the increasingly restrictive requirements regarding the functionality of the devices, the reliability and the type of jet dispensed.
    The object of the present invention is to make a dispenser device operated manually from a liquid, in particular, operated by a trigger, which satisfies the requirements mentioned above.
    Such a purpose is achieved by a dispensing device produced according to claim 1.
    The characteristics and advantages of the dispensing device according to the present invention will be evident from the following description, made by way of non-limiting example, with reference to the attached drawings, in which:
    figure 1 shows a cross-sectional view of the dispensing device according to the present invention, according to a first embodiment;
    figure 2 shows an enlargement of area II in figure 1;
    figure 3 shows a cross-sectional view of a dispensing device according to the present invention, according to an additional embodiment;
    figure 4 shows an enlargement of detail IV in figure 3;
    figure 5 shows the detail of figure 4, in separate parts;
    figure 6 shows an auxiliary body of the device in figure 3;
    figure 7 shows a front view of the auxiliary body in figure 6; and
    figure 8 shows a cross-sectional view of the auxiliary body in figure 7, considered together with the section line VIII in figure 7.
    With reference to the accompanying drawings, the reference number 1 generally indicates a dispenser device operated manually a liquid.
    The dispensing device comprises a container C for containing the liquid to be dispensed, comprising a neck N made by an annular wall W around an axis of the container X, which defines by means of an annular flap B, a container opening A for access to the internal part of it.
    The dispensing device 1 comprises a dispenser head 20 attached to the container C for manually aspirating the liquid from the container and dispensing it out.
    The head 20 is pre-assembled and is, in general, sent to fill the container separately from it. After filling the container with liquid, the head is attached to the container.
    The head 20 additionally comprises an auxiliary body 2 fixed to the neck N of the container C, in the opening A of the same, to close it peripherally forming a seal.
    In particular, the auxiliary body 2 comprises a main part 4, inserted through the opening A in the neck N, provided with a main surface 4a that remains external, and an annular collar 6, which overlaps the annular flap B of the neck N, for example. example, folded so as to be together with said annular flap B.
    Preferably, the auxiliary body 2 has, on the outside, an annular groove 4b surrounding the main surface 4a.
    The auxiliary body 2 has a primary liquid suction duct 8 that extends along the axis of the container X coaxial to said axis of the container X. <">
    In a variation mode, the primary liquid suction duct 8 is eccentric to the axis of the container X, which is radially spaced.
    The primary liquid suction duct 8 passes through the thickness of the main part 4, which positions the compartment within the container in communication with the main surface 4a.
    In particular, preferably, the primary liquid suction duct 8 is finite through a first tube 10, coaxial to the axis of the container X.
    Preferably, a rigid or flexible suction tube can be connected to the tube 10, which extends as far as possible from the bottom of the container, to suck up the liquid.
    In addition, the auxiliary body 2 has a primary air suction duct 12 radially distributed from the primary liquid suction duct 8, which passes through the thickness of the main part 4, to position the external environment or the main surface 4a in communication with the compartment within the container.
    In particular, preferably, the primary air suction duct <> 12 is defined through a second tube 14, radially spaced from the first tube 10.
    In addition, the head 20 comprises a frame 22 to support other components and forms some passages for the liquid. The auxiliary body 2 is attached to the frame 22.
    The frame 22 has a pressure chamber 24 defined annularly by a chamber wall 25, which extends along a pressure axis Y, preferably incident on the axis of the container X, for example, in an orthogonal manner.
    The head 20 comprises a piston 26, which slides in the pressure chamber 24 so as to be air tight along the pressure axis Y, between a landing position, in which the volume of the pressure chamber 24 is maximum, and a limit dispensing position, where the volume of the pressure chamber 24 is minimal, which passes through the intermediate dispensing positions.
    Preferably, piston 26 comprises a head seal 26a and a termination seal 26b, spaced from the head seal along the pressure axis Y, for the thickness between the piston and the chamber wall 25 on which it slides .
    The head 20 additionally comprises the manual actuating devices suitable for manually moving the piston 26 in the pressure chamber 24.
    Preferably, the actuation means comprise a trigger 28, suitable for acting on the piston 26, for example, anchored to it, and engaged with the frame 22, for example, articulated so as to rotate with it or slide in translation with it.
    Preferably, in addition, the head 20 comprises the elastic return means capable of permanently influencing the piston 26 or the trigger 28 to return the piston 26 to the rest position.
    The frame 22 also has a dispenser duct 30 that extends along a dispensing axis Z, between a distal end 32, in the opening towards the outside, and an opposite proximal end 34.
    Preferably, the pressure axis Y is parallel and separate from the axis of the Z dispenser.
    The head 20 additionally preferably comprises a nozzle 38, fixed to the distal end 32 of the dispensing duct 30, to allow the liquid to be dispensed in the desired manner.
    The pressure chamber 24 is suitable to be positioned in fluid communication with the dispenser duct 30.
    In particular, the head 20 comprises suitable valve dispenser means to allow the transition of liquid from the pressure chamber 24 to the dispenser duct 30 when, during the dispensing phase, the piston 26 moves from the position to the dispenser limit position, and the liquid exceeds a preset pressure limit.
    For example, the valve dispenser means comprise an elastically deformable diaphragm 40 attached to the frame 22.
    In addition, the frame 22 has a secondary liquid suction duct 50, which cooperates in connection of the pressure chamber 24 with the compartment within the container.
    Preferably, the secondary liquid suction duct 50 comprises an axial section 50a, which extends parallel to the axis of the container X, and a radial section 50b, which extends parallel to the pressure axis Y of the pressure chamber 24. Then of the movement of the aspirated liquid from the container towards the pressure chamber, the axial section 50a is upstream of the radial section 50b.
    In addition, the head 20 comprises suitable valve dispenser means to allow the transition of liquid from the secondary suction duct 50 towards the pressure chamber 24 when, during a return phase, the piston 26 moves towards to the resting position from the dispenser limit position, and prevents the transition of the liquid from the pressure chamber 24 towards the secondary liquid suction duct 50 during said dispensing phase.
    Preferably, said valve suction means comprise an elasticly deformable suction diaphragm 52 fitted between the pressure chamber 24 and the secondary liquid suction duct 50.
    The frame 22 comprises a support plate 60, by means of which the frame 22 engages the auxiliary body 2.
    The plate 60 has a functional surface 62 on the outside, whose secondary suction duct 50 exits, in a position radially distanced from the axis of the container X which is at least partially misaligned from the primary suction duct 8 .
    Preferably, the secondary liquid suction duct 50, and in particular the axial section 50a of the meso, is on the side opposite the secondary air suction duct 72 with respect to the axis of the container X.
    When the head 20 is attached to the container, the functional surface 62 of the frame 22 is axially spaced from the main surface 4a of the auxiliary body 2, so that a joint or duct compartment 64 is formed between them, which connects the duct main liquid suction inlet 8 of the auxiliary body 2 with the secondary liquid suction duct 50 of the frame 22.
    The primary liquid suction duct 8, the connection compartment 64 and the secondary liquid suction duct 50 thus form a liquid suction passage which positions the compartment within the container in communication with the pressure chamber 24 of the head 20.
    In addition, preferably, the frame 22 comprises an annular bead 66, projecting in the direction of the axis of the container X from the functional surface 62 of the plate 60, inserted in the groove 4b of the auxiliary body 2, to form a seal.
    In addition, the frame 22 comprises a tubular suction insert 70, projecting from the functional surface 62 and inserted so as to form a seal in the suction tube 14 of the auxiliary body 2, which defines a duct within it secondary air suction 72. The insert 70 therefore crosses the connection compartment 64 intended for the transition of the liquid.
    The primary air suction duct 12 and the secondary air suction duct 72 are therefore in communication with each other and form the separate air suction passage sealed from the liquid suction passage.
    In particular, the secondary air suction duct 72 comprises a suction port 80 produced through the chamber wall 25.
    Preferably, when the piston 26 is in the rest position, the orifice 80 is separated from the pressure chamber 24 by the head seal 26a of the piston 26 and is separated from the external environment by the end seal 26b of the piston 26; when the piston 26 is in the dispensing limit position, the orifice 80 is in communication with the external environment, but is separated from the pressure chamber 24 by the termination seal 26b (and by the head seal 26a).
    In an initial resting configuration, piston 26 is in the rest position, the valve dispenser means are closed, the valve suction means are closed, the air suction passage towards the outside is closed; the presence of liquid to be dispensed in the pressure chamber 24 is assumed.
    In the dispensing phase, piston 26 completes a dispensing stroke from the rest position to the limit dispensing position by manually activating the trigger 28.
    Due to the effect of the liquid in the pressure chamber 24, the liquid suction valve means remain closed, preventing the counterflow of liquid towards the container.
    By the effect of the pressurized liquid, the valve dispenser means open, causing the liquid to move from the pressure chamber 24 to the dispenser duct 30, thus allowing dispensing from the nozzle 38.
    When the trigger is released, the elastic return means moves piston 26 or trigger 28 from the dispensing limit position towards the rest position. In the return phase, piston 26 performs a return stroke from the dispensing limit position towards the return position.
    The negative pressure that is formed in the pressure chamber 24 closes the dispenser valve means.
    The negative pressure that is formed in the pressure chamber 24 opens the liquid suction valve means and the liquid transits from the compartment inside the container to the pressure chamber 24, through the primary liquid suction duct 8, from the water partition. connection 64 and the secondary liquid suction duct 50.
    At least for part of the return phase, the air intake passage is in communication with the external environment, so that air can be sucked into the compartment inside the container.
    The air suction port, and in particular the secondary air suction duct 72, is fluidly separated from the liquid suction port and, in particular, from the connection compartment 64, so that there is no leakage of liquid.
    According to an additional embodiment, container C comprises an annular wall of container 200 around the axis of container X and an auxiliary liquid suction duct 202, made entirely in said side wall of container C. In other words, the the container wall 200 comprises a functional wall part 204, for example, positioned in front of the container, which is on the side intended for the liquid to exit and an auxiliary wall 206, in a part with the container wall 200, inside the container C, which extends along the part of the functional wall 204, so as to form an auxiliary liquid suction duct 202 with it.
    Said duct 202 is open near the bottom of the container, to aspirate the liquid contained therein.
    Preferably, said duct 202 starts from an engagement opening 208, axially spaced from the neck N of the container C.
    The primary liquid suction duct 8, at least partially eccentric to the axis of the container X, is suitable for insertion in the opening opening 208 of the auxiliary liquid suction duct 202.
    For example, advantageously, the primary liquid suction duct 8 comprises a first section 8a, which starts from the main surface 4a which has a first duct axis proximal to the container axis X and a second section 8b adjoining to the first section 8a and ending at the engagement opening 208 distal to the axis of the container X.
    Preferably, furthermore, the primary liquid suction duct 8 comprises, in the terminal part suitable for insertion in the coupling opening 208, a flexible coupling part 210 produced from a material less rigid than the material of the remaining part of the primary liquid suction duct 8.
    Preferably, the flexible coupling part 210 is produced in one part with the remaining part of the duct 8, for example, by means of a molding process.
    For example, the flexible coupling part 210 is produced in ethylene vinyl acetate (EVA) or in a material from the group of thermoplastic elastomers (TPE); the remainder of the tube is instead made from high density polyethylene (HDPE).
    Advantageously, this makes insertion of duct 8 into engagement opening 208 particularly easy.
    In addition, preferably, the primary liquid suction duct 8 and the secondary liquid suction duct 50 are positioned on opposite sides diametrically to the axis of the container X. In particular, for example, the first section 8a of the duct the primary liquid suction 8 is completely contained on one side of the container X axis and the axial section 50a of the secondary liquid suction duct 50 is completely contained on the other side.
    In an innovative way, the dispensing device according to the present invention, in spite of having asymmetric components and off-axis ducts, has considerable simplicity of assembly.
    In particular, the head advantageously ensures a good seal with the container, thanks to the interposition of the auxiliary body between the frame and the neck of the container, made of a material particularly suitable for forming a seal with the neck of the container .
    In addition, the head advantageously guarantees a good internal seal between the frame and the auxiliary body, made of materials suitable for this purpose.
    Advantageously, in addition, the dispensing device guarantees the aspiration of air in the container which prevents the leakage of liquid in said duct.
    According to an additional advantageous aspect, the dispensing device guarantees the suction of air in the container preventing the liquid from escaping from the air intake passage, for example, when the device is tilted.
    In particular, according to an additional advantageous aspect, the head connection system and the container are particularly suitable in the case of containers with the liquid suction ducts built into the container, for which the constructed duct is off-axis with the suction duct of the frame and therefore needs an intermediate fluid connection structure. It is clear that one skilled in the art can make changes to the dispensing device described above, in order to satisfy the continent requirements, all contained within the scope of protection, as defined by the appended claims.
    权利要求:
    Claims (20)
    [0001]
    Applicator device (1) for dispensing a liquid, CHARACTERIZED by the fact that it comprises:
    - a container (C) fitted with a neck (N), developed to contain the liquid to be dispensed, in which the neck extends along an axis of the container (X);
    - a dispenser head (20) attached to the neck (N) of the container, comprising:
    a) a frame (22) comprising a support plate (60) having a functional surface (62), the frame (22) further comprising:
    i) a pressure chamber (24) in which a piston (26) slides hermetically into the air along a pressure axis (Y), and a dispenser duct (30), in fluid communication with the pressure chamber (24), to dispense the liquid out;
    ii) a secondary liquid suction duct (50) which leaves the functional surface (62) and which can be connected to the pressure chamber (24);
    b) manual actuating devices operatively connected to the piston (26) to move it in the pressure chamber (24);
    c) an auxiliary body (2) having a main surface (4a) and fixed to the frame (22) comprising:
    i) a primary liquid suction duct (8) that leaves the main surface (4a) and is connected to the compartment inside the container (C), at least partially off the axis in relation to the secondary liquid suction duct (50) ;
    wherein the functional surface (62) and the main surface (4a) are axially spaced and form a joint compartment (64) that communicates upstream with the primary liquid suction duct (8) and that communicates with downstream with the secondary liquid suction duct (50) to form the fluid connection between them.
    [0002]
    Device according to claim 1, CHARACTERIZED by the fact that said container comprises a lateral annular wall (200) in which an auxiliary liquid suction duct (202) is fully open, close to the bottom of the container; and wherein the primary liquid suction duct (8) can be connected to the auxiliary liquid suction duct (202) of the container (C).
    [0003]
    Device according to claim 2, CHARACTERIZED by the fact that the container wall (200) comprises a functional wall part (204) and an auxiliary stop (206) in one part with the container wall (200), inside the container, which extends along the part of the functional wall (204), so as to form the auxiliary liquid suction duct (202) with it.
    [0004]
    Device according to claim 2 or 3, CHARACTERIZED by the fact that said auxiliary duct (202) extends upwards from a coupling opening (208), axially spaced from the neck (N) of the container (C).
    [0005]
    Device according to any one of claims 2 to 4, CHARACTERIZED by the fact that the primary liquid suction duct (8) comprises, in the terminal part suitable for connection to the auxiliary duct (202), a coupling part flexible (210) produced from a material less rigid than the material of the remaining part of the primary liquid suction duct (8).
    [0006]
    Device according to claim 5, CHARACTERIZED by the fact that the flexible coupling part (210) is produced in one part with the remaining part of the duct (8), for example, by means of a molding process.
    [0007]
    Device according to any one of claims 2 to 6, CHARACTERIZED by the fact that the primary liquid suction duct (8) comprises a first section (8a), which extends from the main surface (4a), having a first duct axis proximal to the container axis (X) and a second section (8b), adjacent to the first section (8a) and ending at the auxiliary duct (202), distal to the container axis (X).
    [0008]
    Device according to any one of claims 1 to 7, CHARACTERIZED by the fact that the auxiliary body comprises:
    ii) the primary air suction duct (12) connected to the compartment inside the container (C); and where the frame comprises:
    iii) a secondary air suction duct (72) that can be connected to the external environment; and where the secondary air suction duct (72) of the frame (22) and the primary air suction duct (12) of the auxiliary body (2) overlap axially to form a seal to the liquid in transition in the union compartment (64).
    [0009]
    Device according to any one of claims 1 to 8, CHARACTERIZED by the fact that the auxiliary body (2) is fixed to the neck (N) of the container
    [0010]
    Device according to any one of claims 1 to 9, CHARACTERIZED by the fact that the frame (22) is fixed in an airtight manner to the air (C). to the auxiliary body (2).
    [0011]
    Device according to any one of claims 1 to 10, CHARACTERIZED by the fact that:
    - the pressure chamber (24) is defined annularly by a wall chamber (25); and where:
    - the secondary air suction duct (72) can be connected to the external environment through a hole (80) through the chamber wall (25).
    [0012]
    Device according to any one of claims 1 to 11, CHARACTERIZED by the fact that:
    - in a resting configuration, the secondary air suction duct (72) is fluidly stopped from the external environment by a seal formed on the piston (26).
    [0013]
    Device according to any one of claims 1 to 12, CHARACTERIZED by the fact that the main air intake duct (12) is eccentric to the
    [0014]
    Device according to any one of claims 1 to 13, CHARACTERIZED by the fact that the secondary air suction duct (72) is an eccentric axis of the container (X). to the container axis (X).
    [0015]
    Device according to any one of the preceding claims 1 to 14, CHARACTERIZED by the fact that the secondary air suction duct (72) and the secondary liquid suction duct (50) are on the side opposite the axis of the container ( X).
    [0016]
    Device according to any one of the preceding claims 1 to 15, CHARACTERIZED by the fact that the pressure axis (Y) is incident, in particular, orthonal to the container axis (X).
    [0017]
    Device according to any of the preceding claims 1 to 16, CHARACTERIZED by the fact that the dispensing duct (30) extends along a dispensing axis (Z) parallel and separate from the pressure axis (Y).
    [0018]
    Device according to any one of the preceding claims 1 to 17, characterized by comprising:
    - the diaphragm dispenser valves; and
    - the diaphragm suction valves.
    [0019]
    Device according to any one of the preceding claims 1 to 18, CHARACTERIZED by the fact that the operating means comprise a trigger that can perform the translation or can be rotated (28).
    [0020]
    Device according to any one of the preceding claims 1 to 19, CHARACTERIZED in that it comprises the elastic return means operatively connected to the piston or the trigger.
    类似技术:
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    BR112013006098B1|2020-06-23|APPLICATOR DEVICE FOR DISPENSING A LIQUID
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    ES2476191T3|2014-07-14|Liquid gun dispenser with a stop for the dispensing valve
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    ES2691376T3|2018-11-27|Trigger dispensing device with a vent valve
    JP6083574B2|2017-02-22|Nozzle structure of dispenser pump button
    同族专利:
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    CN103272731A|2013-09-04|
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    JP3190064U|2014-04-17|
    EP2803419B1|2017-02-01|
    US9919326B2|2018-03-20|
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    MX339037B|2016-05-05|
    CN103153479B|2016-03-23|
    IT1401659B1|2013-08-02|
    US8931668B2|2015-01-13|
    ITBS20110022U1|2011-07-07|
    EP2803419A1|2014-11-19|
    EP2628548A3|2014-01-22|
    US20150041490A1|2015-02-12|
    EP2616184A1|2013-07-24|
    EP2628548A2|2013-08-21|
    US20180207659A1|2018-07-26|
    WO2012035447A1|2012-03-22|
    US20190091709A1|2019-03-28|
    US8870033B2|2014-10-28|
    BR112013006098A2|2016-05-31|
    CA2810638A1|2012-03-22|
    ES2624455T3|2017-07-14|
    CN103272731B|2016-04-06|
    EP2616184B1|2014-06-04|
    ES2498269T3|2014-09-24|
    ES2686991T3|2018-10-23|
    EP3173153B1|2018-06-13|
    CA2810638C|2018-06-19|
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    JP6723062B2|2016-04-25|2020-07-15|キャニヨン株式会社|Trigger sprayer|
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    US10974265B1|2018-07-22|2021-04-13|Paul Sung Ventresca LLC|Spray device with interchangeable cartridges and methods of use|
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    法律状态:
    2018-03-27| B15K| Others concerning applications: alteration of classification|Ipc: B05B 11/00 (2006.01), B05B 15/30 (2018.01), B05B 1 |
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-12-24| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-05-19| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-06-23| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/04/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    ITBS2010A000155|2010-09-16|
    ITBS2010A000155A|IT1401659B1|2010-09-16|2010-09-16|DISTRIBUTION DEVICE FOR LIQUIDS|
    PCT/IB2011/051496|WO2012035445A1|2010-09-16|2011-04-07|Trigger dispenser|
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