CN113911543A - Gas-assisted spray head - Google Patents

Gas-assisted spray head Download PDF

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Publication number
CN113911543A
CN113911543A CN202111399067.3A CN202111399067A CN113911543A CN 113911543 A CN113911543 A CN 113911543A CN 202111399067 A CN202111399067 A CN 202111399067A CN 113911543 A CN113911543 A CN 113911543A
Authority
CN
China
Prior art keywords
gas
piston
head cap
sleeve
gas collecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111399067.3A
Other languages
Chinese (zh)
Inventor
桂仁东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shengqi Industrial Co ltd
Original Assignee
Zhejiang Shengqi Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Shengqi Industrial Co ltd filed Critical Zhejiang Shengqi Industrial Co ltd
Priority to CN202111399067.3A priority Critical patent/CN113911543A/en
Priority to PCT/CN2021/138208 priority patent/WO2023087457A1/en
Publication of CN113911543A publication Critical patent/CN113911543A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1078—Vacuum chambers acting like springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The invention relates to an air-assisted spray head which comprises a pump core assembly, a head cap, a liquid guide sleeve and an air-assisted elastic assembly, wherein a liquid inlet is formed in the bottom of the pump core assembly, a liquid outlet is formed in the top of the pump core assembly, the head cap is arranged above the pump core assembly in a vertically movable mode and comprises a liquid outlet channel communicated with the liquid outlet, the lower end of the liquid guide sleeve is connected with a liquid outlet part of the pump core assembly and can move vertically along with the liquid outlet part, the head cap is connected to the upper end of the liquid guide sleeve, and the air-assisted elastic assembly is sleeved on the periphery of the liquid guide sleeve and enables the head cap to always keep the trend of moving upwards. The invention reserves an installation space between the pump core component and the head cap by connecting the liquid guide sleeve, and the gas auxiliary elastic component is arranged at the position to replace the existing metal spring and plastic spring, and the head cap is driven to reset by utilizing the pressure stored when gas is compressed, thereby not only being convenient for assembly and recovery, but also having no material loss in the use process, and ensuring good reset stability even if the head cap is used for a long time.

Description

Gas-assisted spray head
Technical Field
The invention relates to a gas-assisted spray head.
Background
In the prior art, emulsion (or spray) pumps are widely used for cosmetics and bath products, when the lotion needs to be used, a user can press a button to take out needed liquid, and the method is convenient and sanitary.
The pump core is the main part of the emulsion pump, the existing pump core structure generally comprises a pump body, a piston seat, a piston rod, a connecting seat, a spring and a suction piece, wherein the piston seat and the piston are installed inside the pump body, the lower end part of the piston rod extends into the pump body and is matched with the piston seat and the piston, the upper end part of the piston rod extends upwards out of the pump body, and the spring is arranged outside the pump body and is sleeved on the piston rod so as to provide the elastic force for resetting the piston rod.
Common spring generally adopts the metal material preparation, and overall structure is single thin, uses the problem that has the piston to reset hysteresis easily after the longer time, and metal spring gives the holding power of piston rod steady inadequately, influences the stability that the piston rod reciprocated, has the piston rod easily and reciprocates the problem that the in-process rocked, and then influences consumer's experience and feels. In addition, for the pump core structure adopting the metal spring, the metal spring and other plastic parts need to be separated and sorted for recycling during recycling, and the recycling is very troublesome.
In order to solve the above problems, the applicant's prior patent ZL 201921206736.9 "a thermoplastic spring and a pump core structure using the same" provides a plastic spring which can be used in a pump. Although the problem that metal spring poor stability, be not convenient for retrieve has been solved to this structure, its assembly interval etc. with other parts of pump all can cause the influence to elasticity, and the assembly degree of difficulty is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing an air-assisted spray head which has good resetting stability, is convenient to recover and assemble, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a formula shower nozzle is assisted to gas, includes pump core subassembly and head cap, the bottom of pump core subassembly is provided with the inlet, the top is provided with the liquid outlet, the head cap can be located on the pump core subassembly with reciprocating and including the liquid outlet channel who is linked together with the liquid outlet, still includes drain cover and supplementary elastic component of gas, the lower extreme of drain cover is connected with the play liquid part of pump core subassembly and can reciprocates along with a play liquid part, the head cap is connected in drain cover upper end and liquid outlet channel and is linked together with drain cover inner chamber, supplementary elastic component of gas cover is put in drain cover periphery and is made the head cap keep the trend of rebound throughout.
Preferably, the gas-assisted elastic assembly comprises a gas collecting sleeve and a first piston, the gas collecting sleeve comprises a gas collecting cavity which is close to the vertical extension of the liquid guide sleeve, the gas collecting cavity is provided with an opening at the top, the first piston is arranged in the opening at the top of the gas collecting cavity so as to seal quantitative gas in the gas collecting cavity, the part of the lower end of the head cap abuts against the first piston, the first piston is driven to move downwards and extrude air in the gas collecting cavity under the state that the head cap is pressed downwards, and the first piston and the head cap are driven to reset upwards by the extruded air in the gas collecting cavity under the state that the head cap is loosened. Adopt above-mentioned structure, when pressing the head cap, quantitative air in the gas collection chamber is compressed and is formed the air that has higher pressure, when loosening the head cap, thereby the compressed air upwards extrudees first piston and drives the head cap and upwards resets, the supplementary elastic component of gas that forms like this and current metal elastic component, plastics elastic component compares, there is not main compression region pressing and resetting the in-process, at the in-process that resets, need not rely on compression region's elasticity to reply, and there is not the material loss along with the live time extension, consequently, better stability of resetting has, and realize the silence effect.
Preferably, the gas collecting sleeve comprises an inner sleeve body and an outer sleeve body which are sleeved at an interval, the inner sleeve body is sleeved on the periphery of the liquid guide sleeve, the outer sleeve body is connected with the lower end of the inner sleeve body in a sealing manner, the gas collecting cavity is formed between the outer sleeve body and the inner sleeve body, and the gas collecting cavity is annular. The structure is convenient to assemble, and the assembled liquid guide sleeve, the gas collection sleeve, the head cap and the pump core assembly are compactly connected, so that the reliability is good; the annular gas collection cavity can store more air, and the reset effect is improved.
In order to improve the matching stability of the head cap and the gas-assisted elastic assembly, the liquid outlet channel is located in the center of the head cap and extends longitudinally, the head cap is provided with guide sleeves arranged on the periphery of the liquid outlet channel at intervals, the lower end of the liquid outlet channel is connected with the upper end of the liquid guide sleeve, and the guide sleeves are inserted into an opening in the top of the gas collection cavity and abut against the first piston.
Preferably, an inflation opening is formed in the outer peripheral wall of the gas collecting sleeve, an inflation nozzle for inflating the gas collecting cavity is arranged at the inflation opening, and the inflation nozzle is preferably a valve nozzle. The gas collecting cavity of the invention generally has no gas loss, and the gas charging nozzle can be used for manually supplying gas when the gas collecting cavity has gas loss due to external reasons.
The spray head further comprises a helicoid, and the helicoid is connected to the top of the air collecting sleeve and sleeved on the periphery of the head cap. The helicoid is convenient for being connected with the bottle body.
In the invention, the pump core assembly comprises a pump body, a piston seat and a second piston, the pump body is provided with a hollow pump cavity, the liquid inlet is positioned at the bottom of the pump cavity, the piston seat can be vertically and movably arranged in the pump cavity, an upper end opening of the piston seat forms a liquid outlet, the upper end of the piston seat is connected with the lower end of the liquid guide sleeve, and the second piston can be vertically and movably arranged in the pump body and is sleeved between the inner wall of the pump body and the outer wall of the piston seat.
In the above scheme, the lower extreme of piston seat has the support limit of outside extension, the second piston is including pressing close to the first piston piece that pump body inner wall arranged and the second piston piece of cover setting in piston seat periphery, the lower extreme and the support upper wall of second piston piece offset, the piston seat lower extreme is the blind end, and upper portion has the first passageway of longitudinal extension, and the lower part has the second passageway that transversely runs through and be linked together with first passageway.
Preferably, the lower end of the liquid guide sleeve is provided with a downwardly extending and outwardly expanding matching sleeve, and the matching sleeve surrounds the upper part of the second piston sheet. The structure is beneficial to reducing the pressure loss in the pump body and improving the liquid pumping effect.
In order to facilitate assembly, the pump body is provided with an upper port, the lower end of the gas collecting sleeve seals the upper port, and a slot capable of being inserted and matched with the upper edge of the pump body is formed at the lower end of the gas collecting sleeve.
Compared with the prior art, the invention has the advantages that: the invention reserves an installation space between the pump core component and the head cap by connecting the liquid guide sleeve, and the gas auxiliary elastic component is arranged at the position to replace the existing metal spring and plastic spring, and the head cap is driven to reset by utilizing the pressure stored when gas is compressed, thereby not only being convenient for assembly and recovery, but also having no material loss in the use process, and ensuring good reset stability even if the head cap is used for a long time.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is an exploded view of an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 3, the air-assisted spray head of the present embodiment includes a pump core assembly 1, a head cap 2, a liquid guiding sleeve 3 and an air-assisted elastic assembly 4, wherein a liquid inlet 101 is disposed at the bottom of the pump core assembly 1, a liquid outlet 102 is disposed at the top of the pump core assembly 1, and the head cap 2 is disposed above the pump core assembly 1 and includes a liquid outlet channel 21 communicated with the liquid outlet 102 in a vertically movable manner. The lower end of the liquid guide sleeve 3 is connected with a liquid outlet part of the pump core assembly 1 and can move up and down along with the liquid outlet part, the head cap 2 is connected to the upper end of the liquid guide sleeve 3, the liquid outlet channel 21 is communicated with the inner cavity of the liquid guide sleeve 3, and the air-assisted elastic assembly 4 is sleeved on the periphery of the liquid guide sleeve 3 and enables the head cap 2 to always keep the trend of moving upwards.
In this embodiment, the gas-assisted elastic assembly 4 comprises a gas collecting sleeve 41 and a first piston 42, the gas collecting sleeve 41 comprises a gas collecting cavity 40 extending vertically close to the liquid guide sleeve 3, the gas collecting cavity 40 has a top opening, and the first piston 42 is arranged in the top opening of the gas collecting cavity 40 so as to seal off the quantitative gas in the gas collecting cavity 40. A part of the lower end of the head cap 2 abuts against the first piston 42. In the downward pressing state of the head cap 2, the first piston 42 is driven to move downwards and extrude the air in the air collecting cavity 40; in the state of releasing the head cap 2, the air squeezed in the air collecting chamber 40 drives the first piston 42 and the head cap 2 to return upwards. When pressing the head cap, the ration air in the gas collection chamber 40 is compressed and is formed the air that has higher pressure, when loosening head cap 2, thereby the compressed air upwards extrudees first piston 42 and drives head cap 2 and upwards reset, the supplementary elastic component 4 of gas that forms like this with current metal elastic component, plastics elastic component compares, there is not main compression region pressing and resetting the in-process, at the in-process that resets, need not rely on compression region's elasticity to reply, and there is not the material loss along with the live time extension, consequently, have better stability of resetting, and realize the silence effect.
The gas collecting sleeve 41 includes an inner sleeve 411 and an outer sleeve 412 that are sleeved at intervals, the inner sleeve 411 is sleeved on the outer circumference of the liquid guiding sleeve 3, the outer sleeve 412 is connected with the lower end of the inner sleeve 411 in a sealing manner, the gas collecting cavity 40 is formed between the outer sleeve 412 and the inner sleeve 411, and the gas collecting cavity 40 is annular. The structure is convenient to assemble, and the assembled liquid guide sleeve 3, the gas collection sleeve 41, the head cap 2 and the pump core assembly 1 are connected compactly and have good reliability; the annular gas collection cavity 40 can store more air, and the resetting effect is improved.
The liquid outlet channel 21 is located at the central part of the head cap 2 and extends longitudinally, the head cap 2 is provided with a guide sleeve 22 arranged at the periphery of the liquid outlet channel 21 at intervals, the lower end of the liquid outlet channel 21 is connected with the upper end of the liquid guide sleeve 3, and the guide sleeve 22 is inserted in the top opening of the gas collecting cavity 40 and is abutted against the first piston 42. This structure is advantageous for improving the fitting stability of the headgear 2 and the air-assisted resilient component 4.
The outer peripheral wall of the gas collecting sleeve 41 is provided with a charging port 413, a charging connector 43 for charging the gas collecting cavity 40 is arranged at the charging port 413, and the charging connector 43 is preferably an air valve. The gas collecting cavity 40 of the present embodiment generally has no gas loss, and the gas charging connector 43 is provided to manually supply gas when the gas collecting cavity 40 has gas loss due to external reasons.
The spray head of the embodiment further comprises a coil 5, and the coil 5 is connected to the top of the air collecting sleeve 41 and is sleeved on the periphery of the head cap 2. The coil 5 is convenient to be connected with the bottle body.
In this embodiment, the pump core assembly 1 includes a pump body 11, a piston seat 12 and a second piston 13, the pump body 11 has a hollow pump cavity 110, the liquid inlet 101 is located at the bottom of the pump cavity 110, the piston seat 12 is disposed in the pump cavity 110 in a vertically movable manner, and an upper port of the piston seat forms the liquid outlet 102, an upper end of the piston seat 12 is connected to a lower end of the liquid guiding sleeve 3, and the second piston 13 is disposed in the pump body 11 in a vertically movable manner and is sleeved between an inner wall of the pump body 11 and an outer wall of the piston seat 12. The lower end of the piston seat 12 has a supporting edge 121 extending outward, the second piston 13 includes a first piston plate 131 disposed close to the inner wall of the pump body 1 and a second piston plate 132 disposed around the piston seat 12, the lower end of the second piston plate 132 abuts against the upper wall surface of the supporting edge 121, the lower end of the piston seat 12 is a blind end, the upper portion of the piston seat has a first channel 122 extending longitudinally, and the lower portion of the piston seat has a second channel 123 passing transversely and communicating with the first channel 122. The side wall of the pump body 1 is provided with a ventilation opening 111 which can be blocked or opened by the first piston sheet 131.
The lower end of the fluid guiding sleeve 3 of this embodiment is provided with a downwardly extending and outwardly flared fitting sleeve 31, and the fitting sleeve 31 surrounds the upper portion of the second piston plate 132 therein. This structure is favorable to reducing the loss of pressure in the pump body 11, improves the pump liquid effect.
For the convenience of assembly, the pump body 11 has an upper port, which is closed by the lower end of the gas collecting sleeve 41, and the lower end of the gas collecting sleeve 41 is formed with a slot 410 capable of being inserted into the upper edge of the pump body 11.
When the spray head of the embodiment is used, the press head cap 2, the liquid guide sleeve 3, the piston seat 12 and the second piston 13 move downwards along with the press head cap, so as to discharge air in the pump body 11, and in the process, the first piston 42 is pressed downwards by the press head cap 2 to extrude the air in the air collection cavity 40; when the head cap 2 is loosened, the compressed air in the air collecting cavity 40 pushes the first piston 42 and the head cap 2 to reset upwards, in the process, negative pressure is generated in the pump body 11, and liquid in the bottle body is sucked into the pump cavity 110 through the liquid inlet 101; when the head cap 2 is pressed again, the liquid in the pump chamber 110 is pressed and output through the inner side of the second piston 13, the second passage 123 and the first passage 122 of the piston seat 12, the liquid guide sleeve 3 and the head cap 2.
The present embodiment adopts gas-assisted elastic component 4 to replace current metal spring, plastic spring, utilizes the pressure drive head cap 2 of saving when gas is compressed to reset, not only is convenient for assemble and retrieve, moreover, does not have the material loss in the use, even use the longer time, also can guarantee to have fine stability of resetting.
Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (10)

1. The utility model provides a formula shower nozzle is assisted to gas, includes pump core subassembly and head cap, the bottom of pump core subassembly is provided with inlet, top and is provided with the liquid outlet, the head cap can be located with reciprocating on the pump core subassembly and including the liquid outlet channel that is linked together with the liquid outlet, its characterized in that: the head cap is connected to the upper end of the liquid guide sleeve, the liquid outlet channel is communicated with the inner cavity of the liquid guide sleeve, and the gas-assisted elastic assembly is sleeved on the periphery of the liquid guide sleeve and enables the head cap to always keep a trend of moving upwards.
2. The gas-assisted spray head of claim 1, wherein: the gas-assisted elastic assembly comprises a gas collecting sleeve and a first piston, the gas collecting sleeve comprises a gas collecting cavity which is close to the vertical extension of the liquid guide sleeve, the gas collecting cavity is provided with an opening at the top, the first piston is arranged in the opening at the top of the gas collecting cavity so as to seal quantitative gas in the gas collecting cavity, the part of the lower end of the head cap is abutted against the first piston, the first piston is driven to move downwards and extrude air in the gas collecting cavity under the state that the head cap is pressed downwards, and the first piston and the head cap are driven to reset upwards by the extruded air in the gas collecting cavity under the state that the head cap is loosened.
3. The gas-assisted spray head of claim 2, wherein: the gas collecting sleeve comprises an inner sleeve body and an outer sleeve body which are sleeved at intervals, the inner sleeve body is sleeved on the periphery of the liquid guide sleeve, the outer sleeve body is connected with the lower end of the inner sleeve body in a sealing mode, and a gas collecting cavity is formed between the outer sleeve body and the inner sleeve body and is annular.
4. The gas-assisted spray head of claim 3, wherein: the liquid outlet channel is located in the center of the head cap and extends longitudinally, the head cap is provided with guide sleeves arranged on the periphery of the liquid outlet channel at intervals, the lower end of the liquid outlet channel is connected with the upper end of the liquid guide sleeve, and the guide sleeves are inserted into the top opening of the gas collection cavity and abut against the first piston.
5. The gas-assisted spray head of claim 2, wherein: the peripheral wall of the gas collecting sleeve is provided with an inflation inlet, and the inflation inlet is provided with an inflation nozzle used for inflating the gas collecting cavity.
6. The gas-assisted spray head of any one of claims 2 to 5, wherein: still include the helicoidal, the helicoidal is connected in the top of gas collection cover and is put in the periphery of headgear in the cover.
7. The gas-assisted spray head of any one of claims 2 to 5, wherein: the pump core subassembly include the pump body, piston seat and second piston, the pump body has hollow pump chamber, the inlet is located the bottom of this pump chamber, the piston seat can locate in the pump chamber and the up end constitutes the liquid outlet with reciprocating, the upper end of piston seat is connected with the lower extreme of drain cover, the second piston can locate in the pump body and the cover is put between pump body inner wall and piston seat outer wall with reciprocating.
8. The gas-assisted spray head of claim 7, wherein: the lower extreme of piston seat has the support limit of outside extension, the second piston is including pressing close to the first piston piece that pump body inner wall arranged and the second piston piece of cover setting in piston seat periphery, the lower extreme of second piston piece offsets with the support upper wall, the piston seat lower extreme is blind end, upper portion has the first passageway of longitudinal extension, the lower part has transversely runs through and the second passageway that is linked together with the first passageway.
9. The gas-assisted spray head of claim 8, wherein: the lower end of the liquid guide sleeve is provided with a matching sleeve which extends downwards and expands outwards, and the matching sleeve surrounds the upper part of the second piston sheet.
10. The gas-assisted spray head of claim 7, wherein: the pump body is provided with an upper port, the lower end of the gas collecting sleeve seals the upper port, and a slot capable of being inserted and matched with the upper edge of the pump body is formed at the lower end of the gas collecting sleeve.
CN202111399067.3A 2021-11-19 2021-11-19 Gas-assisted spray head Pending CN113911543A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111399067.3A CN113911543A (en) 2021-11-19 2021-11-19 Gas-assisted spray head
PCT/CN2021/138208 WO2023087457A1 (en) 2021-11-19 2021-12-15 Gas-assisted nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111399067.3A CN113911543A (en) 2021-11-19 2021-11-19 Gas-assisted spray head

Publications (1)

Publication Number Publication Date
CN113911543A true CN113911543A (en) 2022-01-11

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WO (1) WO2023087457A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024105636A1 (en) * 2022-11-17 2024-05-23 Johnson & Johnson Consumer Inc. Liquid dispensing apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100137407A (en) * 2010-12-10 2010-12-30 주식회사 아폴로산업 A foaming pump assembly for liquid bottle
CA2841279C (en) * 2014-01-29 2021-11-23 Heiner Ophardt Multiple air chamber foam pump
GB2540439A (en) * 2015-07-17 2017-01-18 Alternative Packaging Solutions Llc A pump mechanism for a spray dispenser
CN109649819A (en) * 2019-01-15 2019-04-19 兴必盛塑业(南通)有限公司 A kind of pump assembly and the container with content discharge function
CN110053863A (en) * 2019-05-29 2019-07-26 浙江晟祺实业有限公司 A kind of nozzle structure
CN110155489B (en) * 2019-06-18 2024-05-17 兴必盛塑业(南通)有限公司 Pump assembly and container with content discharging function
CN214609080U (en) * 2021-03-08 2021-11-05 浙江晟祺实业有限公司 Full-plastic pump core structure
CN216581922U (en) * 2021-11-19 2022-05-24 浙江晟祺实业有限公司 Gas-assisted spray head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024105636A1 (en) * 2022-11-17 2024-05-23 Johnson & Johnson Consumer Inc. Liquid dispensing apparatus

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