CN212739100U - Foam pump - Google Patents

Foam pump Download PDF

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Publication number
CN212739100U
CN212739100U CN202021819201.1U CN202021819201U CN212739100U CN 212739100 U CN212739100 U CN 212739100U CN 202021819201 U CN202021819201 U CN 202021819201U CN 212739100 U CN212739100 U CN 212739100U
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CN
China
Prior art keywords
piston
foaming
liquid
air
pump
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Application number
CN202021819201.1U
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Chinese (zh)
Inventor
王金峰
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Ningbo Sengcze Macrospray Co Ltd
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Ningbo Sengcze Macrospray Co Ltd
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Priority to CN202021819201.1U priority Critical patent/CN212739100U/en
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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
    • B05B11/1001—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
    • B05B11/1043—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
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • 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
    • B05B11/1087—Combination of liquid and air pumps

Abstract

The utility model discloses a foam pump, wherein a cylinder, a hydraulic cylinder and a liquid feeding valve seat are integrally arranged in a pump body; the elastic pressing assembly comprises a piston rod assembly with a liquid channel, a piston assembly and an all-plastic closed spring; the piston assembly comprises a compressed air piston assembly with an air inlet and air inlet structure and a compressed liquid piston; the upper end of the piston rod assembly is movably connected with the air compression piston assembly in an opening and closing manner, a gas-liquid confluence channel is formed between the upper end of the piston rod assembly and the air compression piston assembly, and the lower end of the piston rod assembly is movably connected with the hydraulic piston in an opening and closing manner; the all-plastic closed spring is sleeved on the piston rod assembly and is pressed in the cylinder through the piston rod assembly, the all-plastic closed spring forms a plurality of spring air compression structures in the compression process, and the all-plastic closed spring and the air compression piston assembly form a double air compression structure; the pneumatic piston assembly, the piston rod assembly, the all-plastic closed spring and the hydraulic piston are combined to form an integrated linkage type pneumatic hydraulic reset mechanism. The double-compression gas structure has good foaming effect.

Description

Foam pump
Technical Field
The utility model relates to a foam pump technical field especially relates to a foam pump.
Background
In the prior art, in order to facilitate the use of cleaning liquids such as face wash, hand sanitizer, shower gel and the like, a small-sized pressure pump structure is mostly used as a foam pump, and the principle of the foam pump is that gas and liquid are mixed to form foam when the liquid is pumped out. As the living standard of people is continuously improved, the foam pump is used in larger and larger amount, and the generated waste foam pumps are increased, which undoubtedly causes more and more environmental pollution, the recycling and pollution reduction of the foam pump are the primary problems, and meanwhile, the existing foam pump is not environment-friendly due to the adoption of the metal spring when in use, and the coefficient of stiffness of the spring is constant once the spring is manufactured, in the using process, no matter the built-in spring is not the external spring, when people press the pump head, the elastic force of the spring needs to be overcome, so that the feeling of eating weight can be felt when the user presses the button, the feeling effect is not ideal, the user can only take out the bubble when the user presses the button with great force, the problem that the bubble forming effect is poor when the user presses the button with small force is not great, and various problems that the bubble duration is short exist at the same time. Simultaneously, current foam pump, the cylinder can only change through big piston once setting for the change of back inside atmospheric pressure, make gas compression receive the injecing, can not satisfy and realize different gas compression ratio under the condition of same cylinder volume, lead to spun foam volume certain, can not satisfy the requirement of different bubble volumes of spouting, lead to spouting the bubble in-process simultaneously, gaseous pressure is because the cylinder inner chamber is certain and receive the restriction, make the gas-liquid mixing in-process foaming effect poor, there is the not good scheduling problem of play bubble effect, there are various problems such as foam duration short simultaneously.
Consequently, this application aims at designing all parts of a section and is plastic structure, can whole recycle, and the environmental protection is pollution-free, simultaneously, adopts the plastic spring, presses the pump head in-process whole pushing down, presses and feels, can exert pressure as required, and the compression can be realized fast to the inside gas of cylinder, and the abundant flash mixed foaming of gas and liquid can realize the different bubble volume of spouting, and it is effectual to foam moreover, and the foam duration is of a specified duration, and sealing performance is good.
Chinese patent literature (publication date: 21/4/2020, publication number: CN 111038842A) discloses an all-plastic foam pump, which comprises a press head, a net, a screw thread, a large piston, a connecting rod, a valve, an elastic body, a secondary column, a small piston, a piston seat, a sphere and a body, wherein the gas-liquid guiding device comprises a gas-liquid mixing cavity arranged on a top plate of a seat body, a guiding column positioned in the gas-liquid mixing cavity and connected with the top plate, and a plurality of gas-liquid mixing holes arranged on the top plate and surrounding the guiding column, and the lower end of the gas-liquid mixing cavity is provided with a gas guiding groove; the flow guide column extends into the connecting pipe, a gap is reserved between the flow guide column and the connecting pipe, and the lower end of the gas-liquid mixing cavity is attached to the partition plate between the upper cavity and the lower cavity. By adopting the structure, the airflow surrounds the liquid flow, and no vortex is generated by pressurization and diffusion, so that the atomization performance is improved, and the flow speed is accelerated.
The technical scheme discloses a pressure spring with a spiral elastic body, wherein the pressure spring is made of rubber or plastic materials through one-step molding, and a wire body is hollow or solid; although this technical scheme adopts rubber or plastic spring, but because it adopts be spiral spring, though adopted external structure, its in the use, it is certain because of cylinder inner chamber equally exist, and the gas of pushing down in-process cylinder inside only reaches certain pressure and just can mix with liquid, reaches certain foaming effect for gas and liquid mix foaming effect is poor, spouts the bubble volume moreover and can not change as required, scheduling problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foam pump, all parts of which are all plastic structures, can be completely recycled, and is environment-friendly and pollution-free; simultaneously, through designing a closed spring, inside the spring external cylinder that arranges, with the common compression to the inside gas of cylinder piston cooperation, make the inside gas compression ratio of cylinder change fast for the foaming process, no matter be pressing down the initial or pressing down the end in-process and can both guarantee gas and liquid flash mixed foaming, the foaming is effectual, presses down and feels, can realize different foaming volume moreover, satisfies different crowds' user demand. Meanwhile, the utility model discloses another purpose is to provide a section can adapt to the foam pump of different shape liquid container.
The utility model discloses the technical scheme who realizes its invention purpose adopts is: a foam pump comprising: the pump comprises a pressing pump head, a screw cap, a pump body, a foaming component, a spring component and a valve component;
the pump body is internally and integrally provided with an air cylinder, a hydraulic cylinder and a liquid feeding valve seat;
the elastic pressing assembly is arranged in the pump body and is linked with the pressing pump head, and is used for compressing gas in the air cylinder to realize gas supply and compressing liquid in the hydraulic cylinder to realize liquid discharge and reset;
the elastic pressing assembly comprises a piston rod assembly with a liquid channel, a piston assembly and a full-plastic closed spring; the piston assembly comprises a compressed air piston assembly with an air inlet and air inlet structure and a compressed liquid piston;
the upper end of the piston rod assembly is movably connected with the air compression piston assembly in an opening and closing manner, a gas-liquid confluence channel is formed between the upper end of the piston rod assembly and the air compression piston assembly, and the lower end of the piston rod assembly is movably connected with the air compression piston in an opening and closing manner;
the all-plastic closed spring is sleeved on the piston rod assembly and is pressed in the cylinder through the piston rod assembly, the all-plastic closed spring forms a plurality of spring air compression structures in the compression process, and the all-plastic closed spring and the air compression piston assembly form a double air compression structure;
the pneumatic piston assembly, the piston rod assembly, the all-plastic closed spring and the hydraulic piston are combined to form an integrated linkage type pneumatic hydraulic reset mechanism.
The foam pump, to the defect that the existing foam pump exists, carry on the brand-new design to the spring assembly and its structure, make all-plastic closed spring and air compression piston assembly cooperate and realize the double air compression structure, in the course of using, press the pump head to press down, drive the linkage of the spring assembly, the air compression piston assembly moves down and compresses the gas inside the air cylinder at the same time, all-plastic closed spring is compressed, the spring air compression structure compresses the gas inside the air cylinder at the same time, thus has formed the double compression to the gas inside the air cylinder, make the air compression ratio inside the air cylinder change rapidly, the gas is because compressed, thus gush to the gas-liquid confluence channel rapidly, because air compression piston assembly, piston rod assembly, all-plastic closed spring and air compression piston assembly make up and form the integrative linkage type air compression hydraulic reset mechanism, the air cylinder is compressed the in-process, the inside liquid of hydropress cylinder is compressed by hydropress piston assembly and then is pressed gas-liquid to flowing inside the liquid way and converge passageway and gaseous flash mixed, because the inside gas of cylinder is dual compression for gaseous compression ratio can increase fast, thereby can make the foaming effect better in the foaming subassembly with liquid mixing in-process, simultaneously, can make the foam duration after the foaming more of a specified duration, more exquisite. Adopt dual compressed air structure in this foam pump, can also satisfy different crowds' operation requirement, owing to adopt plastic closed spring, the elasticity size of spring can be because of atmospheric pressure, pressing force variation in size change, presses the in-process and feels, and the comfort level is strong, no matter pressing force degree size moreover, can both extrude the foam, can realize out the regulation of bubble volume size according to the size of pressing force moreover, has avoided extrudeing too much extravagantly, is favorable to practicing thrift. Meanwhile, the full-plastic closed spring in the foam pump is completely isolated from liquid, so that the foam pump is not polluted by the liquid and is more environment-friendly and pollution-free.
Preferably, the all-plastic closed spring is a PP resin material component, a spring inner cavity is arranged in the all-plastic closed spring, and spring sealing pressure seats are respectively arranged at two ends of the all-plastic closed spring; the spring air compression structure is formed between the elastic rings of the all-plastic closed spring. The all-plastic closed type spring is made of the preferable PP resin material, the defect that an existing foam pump component cannot achieve all-plastic environment-friendly design is overcome, the spring is also arranged to be of an all-plastic closed type structure, the elastic force can be adjusted according to pressing force and gas compression conditions in the pressing process, once the existing metal spring is manufactured, the stiffness coefficient of the spring is constant, the elastic force is constant, the pressing process is heavy, the hand feeling is poor, the all-plastic spring is good in pressing hand feeling, and recycling can be achieved. Because the design of this foam pump aims at realizing the dual structure of calming anger, consequently, the elastic ring of plastic closed spring forms the spring structure of calming anger each other, can enough realize the performance of spring, can also realize the function of calming anger.
Preferably, an adjustable air compressing cavity is formed between the outer wall of the all-plastic closed spring and the inner wall of the air cylinder, and air in the adjustable air compressing cavity is compressed quickly through a double air compressing structure formed by the spring air compressing structure and the air compressing piston assembly. All-plastic closed spring is because be integrative closed structure in compression process, every elasticity circle is by the corresponding quilt of its peripheral gas in compression process, the inside volume of cylinder has been changed, make gas can be compressed fast, and make cylinder inner chamber change because the compression of spring coil between spring outer wall and the cylinder inner wall, the compression is big more, it is more obvious to change, the design of pressure gas chamber with adjustable has been realized, the requirement of different liquid foaming performance has been satisfied, liquid concentration is different, the requirement of gas compression ratio is also different, for better satisfying the foaming effect, thereby also can adjust the size of the inside pressure gas chamber of cylinder through the diameter that changes the spring, and then change gas compression ratio, thereby guarantee can both realize good foaming to the liquid of different concentrations.
Preferably, the screw cap is internally provided with a thread-up structure which can be screwed at any angle. The existing screw cap is designed with standard screw threads in the manufacturing process, so that a liquid container matched with the existing screw cap for use also needs to be designed into a standard type, and the standard design limits the connection use of liquid containers with different shapes or types, particularly non-standard liquid containers, and can not realize the requirement of universal design. Based on this, this spiral cover internal design can adapt the screw thread that arbitrary angle of the connection of the liquid container of arbitrary shape or model was screwed and play tooth structure, can design the tooth structure of starting of a plurality of directions or screw direction according to the liquid container difference of adaptation to 3 degrees one play tooth design, can realize 120 kinds of designs of starting tooth structure, in order to satisfy different liquid container's the fit for needs.
Preferably, the screw cap is an integrated all-plastic component, a positioning elastic sheet is arranged at an opening at the upper part of the screw cap, a movable cavity for pressing a pump head is arranged in the screw cap, a pump body socket is arranged on the inner wall of the screw cap, and a rotation stopping structure is arranged at an opening at the lower part of the screw cap. The utility model discloses a pump body, including the pump body, be provided with the pump head and press the pump head, be provided with the screw cap and press the pump head movable chamber, be provided with the location shell fragment on the screw cap and realize pressing the location or the rotation of pump head and open for pressing the pump head cooperation, press the setting of pump head movable chamber for can press from top to bottom after opening in order to press the pump head for convenience, realize the operation of extrusion bubble, and the setting of pump body socket is for convenient and sealed grafting with the pump body. The rotation stopping structure is arranged to prevent the liquid container from being separated and leaking due to the fact that a child accidentally opens the screw cap.
Preferably, the pressing pump head comprises a nozzle and a sliding sleeve, a foam outlet channel is arranged in the nozzle, the foam outlet channel is obliquely arranged, a sliding cavity and an inner cavity are coaxially arranged in the sliding sleeve, an anti-falling structure is arranged at the lower part of the inner cavity, and the foaming component is arranged in the foam outlet channel and/or the inner cavity; the lower part of the sliding sleeve is radially provided with a pump head positioning structure. The pressing pump head is provided with a spray head and a sliding sleeve, the spray head is used for spraying foam, the foam outlet cavity channel is obliquely arranged to be beneficial to spraying the foam, the sliding cavity is arranged to realize the up-and-down movement of the pressing pump head, and the inner cavity is arranged to facilitate the arrangement of the air pressure piston and the foaming component.
Preferably, the piston rod assembly comprises a piston rod body and a thimble movably arranged in the piston rod body; the liquid channel is formed between the thimble and the inner wall of the piston rod body. The setting of piston rod subassembly is the modular structure, through piston rod body and thimble cooperation, can realize the quick break-make of upper liquid, and the leakproofness can be good, can not take place gaseous entering liquid container and lead to the problem of liquid performance change, sets up the liquid way between thimble and piston body, and liquid and spring are kept apart completely, can not cause the pollution to the spring, and this kind of structural liquid is fast moreover, can realize good foaming effect.
Preferably, the piston rod body is of an integrated structure, a cavity penetrating up and down is arranged in the piston rod body, an inclined liquid outlet valve cavity which is matched with the ejector pin to open and close is arranged at the upper end of the piston rod body, an elastic sheet seat with an upper air opening is annularly arranged on the outer wall of the upper portion of the piston rod body, and a spring pressing seat is arranged at the lower portion of the elastic sheet seat. The upper end of the piston rod body is provided with the inclined liquid outlet valve cavity, the upper liquid channel can be opened and closed quickly by being matched with the ejector pin, the sealing performance can be good, the linkage performance is strong, and no gas flows backwards to enter the liquid container in the liquid and gas mixing foaming process. The setting of shell fragment seat is in order to realize the installation location to gas valve block, realizes opening and close to going up the gas port through gas valve block simultaneously, and when the inside atmospheric pressure of cylinder was compressed, gas valve block opened, and gas enters into gas-liquid through going up the gas port and converges passageway and liquid mixture and realize the foaming. The spring pressing seat is arranged to be matched with the upper end of the spring, and the spring is installed and positioned.
Preferably, the thimble is of an integrated structure, the upper end of the thimble is provided with an inclined sealing valve body structure, and the lower end of the thimble is provided with a bidirectional sealing valve body structure; and a liquid feeding channel is formed between the bidirectional sealing valve body structure and the hydraulic piston, and the thimble moves up and down along the piston rod body to realize the on-off of the liquid feeding channel at the lower part and the on-off of the liquid feeding channel at the upper part and the gas-liquid confluence channel. The upper end of the ejector pin is provided with an inclined sealing valve body structure, so that the upper liquid channel can be quickly opened and closed, the lower end of the ejector pin is provided with a bidirectional sealing valve body structure, so that quick linkage can be realized, and the hydraulic cavity can be quickly opened and closed.
Preferably, the displacer assembly includes a displacer and a gas valve plate, and the gas valve plate is inserted into the displacer and is matched with the piston rod assembly to realize gas inlet and gas supply. The compressed air piston assembly is provided with a compressed air piston and an air valve plate, the air valve plate is matched with the compressed air piston to open and close external air to enter the air cylinder, and meanwhile, the air in the air cylinder is compressed and discharged and liquid is foamed.
Preferably, the displacer is an integral all-plastic component and comprises a connecting seat and a piston body; the outer wall of the connecting seat is provided with an anti-falling bulge, the outer wall of the connecting seat is hermetically clamped with the interior of the pressing pump head, and a foaming component mounting seat, a gas-liquid mixing cavity and an upper gas cavity are sequentially arranged in the connecting seat from top to bottom; a valve block mounting seat is coaxially arranged on the piston body and the connecting seat, and an air inlet groove is formed in the connecting position of the valve block mounting seat and the valve body; the piston body is movably and hermetically connected with the inner wall of the cylinder up and down and forms the double-air-compression structure with the all-plastic closed spring. The above-mentioned structure of piston integral type of calming anger has realized the coordinated type design of whole foam pump, and the leakproofness can be good moreover, and the foaming subassembly sets up inside the foaming subassembly installation cavity, and the setting up of gas mixing chamber makes gas and liquid can more intensive mixing, and the foaming effect is better, goes up the gas chamber and is the air flue that realizes that the inside gas of cylinder enters into the gas-liquid mixing chamber. And the valve block mount pad sets up the air inlet duct with the valve body connection department for the convenience outside gas enters into inside the cylinder. The piston body and the cylinder inner wall are connected in a sealing mode in a vertically movable mode, the air inlet of the liquid container is compressed or made way through the up-and-down movement of the piston body, the piston body and the spring jointly achieve a dual-air-compression structure, and the adjustment of the size of an air compression ratio is achieved through the requirements according to different liquids, so that the foaming requirements of different liquids are met.
Preferably, the gas valve plate is an integrated all-plastic material member, and the gas valve plate comprises a valve plate body, an inner valve plate and an outer valve plate.
Preferably, the hydraulic piston is an integrated all-plastic component, the hydraulic piston comprises an outer piston body and an inner valve seat, the outer piston body is movably and hermetically connected with the inner wall of the hydraulic cylinder up and down, and a piston assembly inserting cavity is arranged between the inner valve seat and the outer piston body. The hydraulic piston is arranged to be an outer piston body and matched with the inner wall of the hydraulic cylinder to move up and down to compress liquid, so that liquid feeding operation is achieved, the inner valve seat is arranged to be matched with the ejector pin to achieve opening and closing of the liquid feeding port, meanwhile, the piston rod body is conveniently connected with the hydraulic piston, and linkage operation is achieved.
Preferably, the foaming component comprises an initial foaming component and a foam discharging foaming component, the initial foaming component is arranged at the connecting end of the pressing pump head and the pump body, and the foam discharging foaming component is detachably arranged at the foam discharging port of the pressing pump head. The foaming subassembly can set up initial foaming subassembly and play bubble foaming subassembly according to the foaming requirement of difference, and initial foaming subassembly sets up in the top of gas-liquid mixing chamber, and the very first time after gas-liquid mixture is inside to be foamed, and goes out the bubble and can set up out the bubble foaming subassembly at a bubble mouth in order to realize more delicate foaming to satisfy different user demands.
Preferably, the initial foaming component comprises a foaming body and a double-layer foaming net, a foaming cavity is arranged in the foaming body, mounting grooves are respectively arranged at the upper end and the lower end of the foaming cavity, and the double-layer foaming net is arranged in the mounting grooves; the foaming body and the double-layer foaming net are respectively an integrated all-plastic material component, and the double-layer foaming net comprises a coarse net and a fine net; the foaming component comprises foaming foam and a fine foaming net. The foaming net can be replaced by different meshes according to different liquids, the lower part of the double-layer foaming net can be a coarse net, the upper part of the double-layer foaming net is a fine net, double-layer foaming is realized, step-by-step foaming is realized, the foaming requirement of finer and finer foaming is met, and meanwhile, the requirement of longer foam duration can be realized. The foam generating and foaming component is generally arranged for further fine foaming, and can be selected and used according to liquid and foaming requirements.
Preferably, the pump body is connected with the screw cap sealing plug-in card; the pump body is an integrated all-plastic material component, and is an adjustable spraying amount pump body; the upper end of the pump body is provided with a plug-in card connecting structure, the side wall of the pump body is provided with an air outlet communicated with the liquid container, and the air outlet is opened and closed through the up-and-down movement of the air compression piston assembly. The pump body sets up to the pump body of adjustable volume of spouting to satisfy the needs of different bubble volumes of spouting, the adjustable volume of spouting pump body can be the replacement formula, also can realize through the change of hydraulic cylinder size, can also realize through the change of the inside pressure air cavity of cylinder.
Preferably, the valve is an integrated all-plastic air valve, and a flat upper liquid port is arranged on the valve; the valve is arranged in the upper liquid valve seat and used for opening and closing a liquid channel between the liquid container and the hydraulic cylinder.
The utility model has the advantages that:
1) this foam pump adopts piston subassembly, piston rod subassembly, the closed spring of plastic and the combination of pressure hydraulic piston spare to form integrative coordinated type pressure hydraulic pressure canceling release mechanical system, and the cylinder is gaseous by the compression in-process, and the inside liquid of pressure hydraulic cylinder is compressed by pressure hydraulic piston subassembly and flows and then is pressed gas-liquid to converge the passageway and gaseous flash mixed to the liquid way is inside, has effectively improved the foaming effect, quick break-make moreover, and sealing performance is good.
2) Adopt dual pressure cylinder structure, the inside gas of cylinder is dual compression for the compression ratio increase of gas is quick, thereby can make the foaming effect better in the foaming subassembly with liquid mixing in-process, makes the foam duration after the foaming more of a specified duration, and is more exquisite. The use requirements of different crowds can be met, the adjustment of the foam quantity can be realized according to the pressing force, the excessive waste of extrusion is avoided, and the saving is facilitated.
3) The integrally closed spring made of the PP resin material is adopted, the elasticity of the spring is adjustable, the problems that once the existing metal spring is made, the coefficient of stiffness of the spring is constant, the elasticity is constant, the pressing process is heavy and the hand feeling is poor are solved, and the overall plastic spring is good in pressing hand feeling.
4) The full-plastic closed spring in the foam pump is completely isolated from liquid, is not polluted by the liquid, and is more environment-friendly and pollution-free.
5) The screw cap is internally provided with a screw thread tooth-lifting structure which can be matched with the liquid container in any shape or model and can be screwed at any angle, and the tooth-lifting structure in a plurality of directions or in the screwing direction can be designed according to the liquid container in different matching, so that the suitable requirements of different liquid containers can be met.
6) Multiple foaming makes the foaming more exquisite and lasts for a longer time.
7) The pump body with adjustable spraying amount is adopted to meet the requirements of different spraying bubble amounts.
8) All the components are of full-plastic structures, so that the recycling is facilitated, and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of a foam pump according to the present invention;
FIG. 2 is a schematic view of a fully plastic enclosed spring of the present invention;
FIG. 3 is a schematic structural view of the middle screw cap of the present invention;
FIG. 4 is a schematic view of another angle structure of the middle screw cap of the present invention;
FIG. 5 is a second structural diagram of the middle screw cap according to the present invention;
FIG. 6 is a schematic structural view of the internal thread-forming structure of the middle screw cap of the present invention;
fig. 7 is a schematic structural diagram of a pressing pump head according to the present invention;
fig. 8 is a schematic structural view of the piston rod assembly of the present invention;
FIG. 9 is a top view of FIG. 8;
fig. 10 is a schematic view of an exploded structure of the piston rod assembly of the present invention;
fig. 11 is a schematic structural view of a medium pressure air piston assembly according to the present invention;
fig. 12 is a schematic structural view of a medium pressure gas piston according to the present invention;
fig. 13 is a schematic structural view of the middle pressure hydraulic piston of the present invention;
FIG. 14 is a schematic view of an initial foaming component of the present invention;
FIG. 15 is a schematic view of a foam dispensing assembly of the present invention;
fig. 16 is a schematic view of a pump body according to the present invention;
fig. 17 is a schematic view of a valve member according to the present invention;
FIG. 18 is a schematic view of a second embodiment of the foam pump of the present invention;
FIG. 19 is a schematic view of a third embodiment of the foam pump of the present invention;
FIG. 20 is a schematic view of a bubble injection process of the foam pump of the present invention;
FIG. 21 is a schematic view of an air intake and liquid feeding process of the foam pump of the present invention;
in the figure: 1. a pressing pump head, 101, a spray head, 102, a sliding sleeve, 103, a foam outlet channel, 104, a sliding cavity, 105, an inner cavity, 106, a pump head positioning structure, 107, an anti-dropping structure, 2, a screw cover, 201, a thread tooth structure, 202, a positioning elastic sheet, 203, a pressing pump head movable cavity, 204, a pump body socket, 205, a rotation stopping structure, 3, a pump body, 31, a cylinder, 32, a liquid pressing cylinder, 33, a liquid feeding valve seat, 301, a plug-in card connecting structure, 302, an air outlet, 4, a foaming component, 41, an initial foaming component, 411, a foaming body, 412, a double-layer foaming net, 413, a foaming cavity, 414, a mounting groove, 42, a foam outlet foaming component, 421, a foam outlet foaming body, 422, a fine foaming net, 5, an elastic pressing component, 51, a piston rod component, 511, a piston rod body, 512, a thimble, 513, a cavity, 514, an inclined liquid outlet valve cavity, 515, an elastic sheet, 517. an inclined sealing valve body structure, 518, a bidirectional sealing valve body structure, 52, a liquid channel, 53, a piston assembly, 54, an all-plastic closed spring, 541, a spring inner cavity, 542, a spring sealing pressure seat, 543, a spring pressure structure, 55, a pressure piston assembly, 550, an anti-drop bulge, 551, a pressure piston, 552, a gas valve plate, 5520, a valve plate body, 5521, an inner valve plate, 5522, an outer valve plate, 553, a connecting seat, 554, a piston body, 555, a foaming assembly mounting seat, 556, a gas-liquid mixing cavity, 557, an upper gas cavity, 558, a valve plate mounting seat, 559, an air inlet groove, 56, a pressure liquid piston, 561, an outer piston body, 562, an inner valve seat, 563, a piston assembly plug cavity, 6, a valve piece, 7, a gas-liquid confluence channel, 8, an adjustable pressure gas cavity, 9, an upper gas port, 10, an upper liquid channel, 11, a liquid container, 12.
Detailed Description
The technical document of the present invention is further described in detail by the following specific embodiments in conjunction with the drawings of the specification.
Example 1:
in the embodiment shown in fig. 1 and 2, a foam pump, all of the components of which are of a recyclable all-plastic construction, comprises:
a pressing pump head 1 for pressing an operation member for foaming;
a screw cap 2 for connecting the pump body and the liquid container 11 and positioning the connecting part of the pressing pump head;
the foam pump comprises a pump body 3 and a foam pump body component, wherein the pump body 3 is connected with a screw cap 2 in a sealing and inserting way, and a cylinder 31, a hydraulic cylinder 32 and an upper liquid valve seat 33 are integrally arranged in the pump body 3;
a foaming component 4 arranged inside the pressing pump head 1 for realizing foaming;
the elastic pressing component 5 is arranged in the pump body 3, is linked with the pressing pump head 1, and is used for compressing gas in the air cylinder to realize gas supply and compressing liquid in the hydraulic cylinder to realize liquid discharge and resetting;
the elastic pressing assembly 5 comprises a piston rod assembly 51 with a liquid channel 52, a piston assembly 53 and an all-plastic closed spring 54; the piston assembly 53 comprises a displacer assembly 55 with an air inlet and air inlet structure and a hydraulic piston 56; the air compression piston assembly 55, the piston rod assembly 51, the all-plastic closed spring 54 and the hydraulic piston 56 are combined to form an integrated linkage type air compression hydraulic reset mechanism;
the upper end of the piston rod assembly 51 is movably connected with the air compression piston assembly 55 in an opening and closing manner, a gas-liquid confluence channel 7 is formed between the upper end of the piston rod assembly 51 and the air compression piston assembly 55, and the lower end of the piston rod assembly 51 is movably connected with a hydraulic piston 56 in an opening and closing manner; the all-plastic closed spring 54 is sleeved on the piston rod assembly 51 and is pressed in the cylinder 31 through the piston rod assembly 51, and the all-plastic closed spring 54 and the air compression piston assembly 55 form a double air compression structure; also comprises the following steps of (1) preparing,
and a valve member 6 provided inside the upper valve seat 33 for opening and closing a fluid passage between the fluid container and the hydraulic cylinder 32.
As shown in fig. 2, the all-plastic enclosed spring 54 is made of PP resin material, a spring cavity 541 is disposed inside the spring, and spring sealing pressure seats 542 are disposed at two ends of the spring respectively. The all-plastic closed spring 54 forms a plurality of spring air compression structures 543 in the compression process, an adjustable air compression chamber 8 is formed between the outer wall of the all-plastic closed spring 54 and the inner wall of the cylinder, and the air inside the adjustable air compression chamber 8 is compressed quickly through the double air compression structure formed by the spring air compression structures 543 and the air compression piston assembly 55. The closed spring of plastic adopts PP resin material to make, and make integrative closed spring with it, such structure is in order to make and forms the pressure air chamber between closed spring of plastic and the cylinder inner wall, and simultaneously, produce the compression action to gas through the spring coil in compression process, realize the dual atmospheric pressure structural design of foam pump, change the size in the inside atmospheric pressure chamber of cylinder simultaneously, the spring of this kind of structure can enough realize the performance of spring, can also realize the function of calming the anger, realize a multi-functional design, and plastic material, can change according to the size of pressing force and the gas compression condition pressing the in-process elasticity size, press and feel good, the comfort level is high, plastic structure environmental protection is favorable to recycle. The spring is because an organic whole closed structure in compression process, every elastic ring position by compression process in its peripheral gaseous corresponding by the extrusion, has changed the inside volume of cylinder, makes gas can be compressed fast to make the gaseous compression ratio reinforcing of cylinder inside, can intensive mixing with liquid at last gas in-process, the foaming effect is better. Because the foam pump needs to satisfy different liquid foaming requirements, the foaming performance that its foaming of different liquid needs is different, and the size of cylinder just can not be changed to current foaming pump design shaping, just can not satisfy different liquid foaming's suitability requirement yet. The utility model discloses an integrative closed spring, through the size that changes the spring, make the pressure air cavity with adjustable between spring outer wall and the cylinder inner wall, can be applicable to the requirement of different liquid foaming, the commonality design of foam pump component part has been realized, the requirement of different liquid foaming performance has both been satisfied, can be applicable to the liquid foaming of different concentrations, and gaseous compression ratio can be adjusted as required, thereby can also adjust the size in the inside pressure air cavity of cylinder through the diameter that changes the spring, and then change gaseous compression ratio, thereby guarantee that good foaming can both be realized to the liquid of different concentrations.
As shown in fig. 3 and 4, a screw thread start structure 201 that can be screwed at any angle is provided inside the screw cap 2. The screw cap 2 is an integrated all-plastic component made of PP materials, a positioning elastic sheet 202 is arranged at an opening at the upper part of the screw cap 2, a movable cavity 203 for pressing a pump head is arranged inside the screw cap 2, a pump body socket 204 is arranged on the inner wall of the screw cap, and a rotation stopping structure 205 is arranged at an opening at the lower part of the screw cap 2. The screw cap 2 is mainly used for connecting a pump with a liquid container 11, while the existing screw cap 2 is designed to be provided with standard threads in the manufacturing process, so that the liquid container matched with the existing screw cap 2 is also required to be designed into a standard type, and the standard design limits the connection use of liquid containers of different shapes or types, particularly non-standard liquid containers, and can not meet the requirement of universal design. Based on this, the screw cap 2 is internally designed with a screw thread structure which can be screwed at any angle and can be matched with the connection of liquid containers of any shape or model, the tooth-lifting structure with a plurality of directions or screwing directions can be designed according to different adaptive liquid containers, and according to the requirements of users, any one or more and various thread starting structures 201 are arranged in the screw cap, as shown in fig. 5, one thread starting structure is arranged in the screw cap, various thread starting structures 201 are arranged in fig. 3, as shown in fig. 6, with a 3-degree one-tooth design, the screw cap 2 can realize the design proposal of 120 tooth-lifting structures, the thread-tapping structures can be combined at will, can be used independently or simultaneously, can meet the adaptation requirements of different liquid containers, and realizes the universal adaptation design of standard or non-standard liquid containers. One of the purposes of the screw cap 2 is to realize the initial positioning of the pressing pump head 1, so as to prevent the rotation of the pressing pump head in the transportation or storage process, therefore, a positioning elastic sheet 202 is arranged on the screw cap 2, the positioning or the rotation opening of the pressing pump head is realized by the cooperation of the pressing pump head, the opened pressing pump head can slide up and down in a movable cavity of the pressing pump head inside the screw cap 2, the operation of extruding bubbles is realized, the other function of the screw cap 2 is the plug-in connection convenient for the pump body 3, therefore, a pump body socket is arranged on the screw cap, the sealing plug-in connection with the pump body is convenient, and the plug-in connection realizes the matching requirement of the universality of the connection. The rotation stopping structure arranged on the screw cap effectively prevents the liquid container from being separated and leaking due to the fact that children open the screw cap accidentally.
As shown in fig. 7, the pressing pump head 1 includes a nozzle 101 and a sliding sleeve 102, the nozzle 101 is provided with a foam discharging channel 103 inside, the foam discharging channel 103 is arranged obliquely, the sliding sleeve 102 is provided with a sliding cavity 104 and an inner cavity 105 coaxially inside, the lower part of the inner cavity is provided with an anti-dropping structure 107, and the foaming component 4 is arranged inside the foam discharging channel 103 and/or the inner cavity 105; the lower part of the sliding sleeve 102 is radially provided with a pump head positioning structure 106. The pressing pump head is integrally provided with a spray head and a sliding sleeve by adopting a PP material, the spray head is used for spraying foam, the foam outlet cavity is obliquely arranged to be beneficial to effective spraying of the foam, the sliding cavity is arranged to realize the up-and-down movement of the pressing pump head, and the inner cavity is arranged to be convenient for the arrangement of an air pressure piston and a foaming component.
As shown in fig. 8 and 9, the piston rod assembly 51 includes a piston rod body 511 and an ejector pin 512 movably disposed inside the piston rod body 511; the liquid channel 52 is formed between the thimble 512 and the inner wall of the piston rod body 511. The piston rod body 511 is of an integrated structure, a cavity 513 penetrating up and down is arranged inside the piston rod body 511, an inclined liquid outlet valve cavity 514 which is matched with the thimble 512 to open and close is arranged at the upper end of the piston rod body 511, an elastic sheet seat 515 with an upper air port 9 is annularly arranged on the outer wall of the upper portion of the piston rod body 511, and a spring pressing seat 516 is arranged at the lower portion of the elastic sheet seat 515. As shown in fig. 10, the thimble 512 is an integrated structure, an inclined sealing valve structure 517 is disposed at an upper end of the thimble 512, and a bidirectional sealing valve structure 518 is disposed at a lower end of the thimble 512; an upper liquid channel 10 is formed between the bidirectional sealing valve body structure 518 and the hydraulic piston 56, and the thimble 512 moves up and down along the piston rod body 511 to realize the on-off of the lower upper liquid channel 10 and the on-off of the upper liquid channel 52 and the gas-liquid confluence channel 7. Piston rod assembly 51 sets up and is the modular structure, through piston rod body and thimble cooperation, can realize the quick break-make of upper liquid, and the leakproofness can be good, can not take place gaseous entering liquid container and lead to the problem of liquid performance change, sets up liquid way 52 between thimble and piston body, and liquid and spring keep apart completely, can not cause the pollution to the spring, and this kind of structural liquid is fast moreover, can realize good foaming effect. The upper end of the piston rod body is provided with the inclined liquid outlet valve cavity, the upper liquid channel can be opened and closed quickly by being matched with the ejector pin, the sealing performance can be good, the linkage performance is strong, and no gas flows backwards to enter the liquid container in the liquid and gas mixing foaming process. The setting of shell fragment seat is in order to realize the installation location to gas valve block, realizes opening and close to going up the gas port through gas valve block simultaneously, and when the inside atmospheric pressure of cylinder was compressed, gas valve block opened, and gas enters into gas-liquid through going up the gas port and converges passageway and liquid mixture and realize the foaming. The spring pressing seat is arranged to be matched with the upper end of the spring, and the spring is installed and positioned. The upper end of the ejector pin is provided with an inclined sealing valve body structure, so that the upper liquid channel can be quickly opened and closed, the lower end of the ejector pin is provided with a bidirectional sealing valve body structure, so that quick linkage can be realized, and the hydraulic cavity can be quickly opened and closed.
As shown in fig. 11, displacer assembly 55 includes a displacer 551 and a gas panel 552, the gas panel 552 being inserted within the displacer 551 and cooperating with the piston rod assembly 51 to effect intake and inflation. As shown in fig. 12, displacer 551 is a one-piece, all-plastic member, said displacer 551 including attachment boss 553 and piston body 554; an anti-falling projection 550 is arranged on the outer wall of the connecting seat 553, the anti-falling projection 550 is matched with an anti-falling structure 107 on the pressing pump head to realize the sealing and clamping of the outer wall of the connecting seat 553 and the interior of the pressing pump head 1, and a foaming component mounting seat 555, a gas-liquid mixing cavity 556 and an upper gas cavity 557 are sequentially arranged in the connecting seat 553 from top to bottom; a valve plate mounting seat 558 is coaxially arranged on the piston body 554 and the connecting seat 553, and an air inlet groove 559 is arranged at the connecting position of the valve plate mounting seat 558 and the piston body 554; the piston body 554 is movably and hermetically connected with the inner wall of the cylinder 31 up and down and forms the double-compression structure with the all-plastic enclosed spring 54. The gas valve plate 552 is an integrated all-plastic member, and the gas valve plate 552 includes a valve plate body 5520, an inner valve plate 5521 and an outer valve plate 5522. The inlet slot 559 and the upper port 9 form an inlet and upper structure on the displacer assembly 55. The gas piston subassembly that calms anger mainly is in order to realize the compression to the inside gas of cylinder, makes it enter into gas-liquid mixing chamber and mix with liquid and realize the foaming, simultaneously, still let outside gas enter into the inside realization of cylinder and admit air, consequently, is provided with and presses gas piston and gas valve block, and gas valve block and the cooperation of the piston that calms anger have both realized opening and close of outside gas and have got into the cylinder, realize simultaneously that the inside gas of cylinder is compressed discharge and liquid and realize the foaming. The piston of calming anger forms through the preparation of PP resin material integral type, can realize the coordinated type design of whole foam pump, with cylinder inner wall sliding seal cooperation, the foaming subassembly sets up inside the foaming subassembly installation cavity, and the gas-liquid mixture chamber makes gas and liquid can more intensive mixing, and the foaming effect is better, and the inside gas of cylinder enters into gas-liquid mixture chamber and liquid mixing through last gas chamber, realizes foaming. And the external gas enters the cylinder through an air inlet groove at the connection part of the valve plate mounting seat and the valve body. The piston body and the cylinder inner wall are connected in a sealing mode in a vertically movable mode, the air inlet of the liquid container is compressed or made way through the up-and-down movement of the piston body, the piston body and the spring jointly achieve a dual-air-compression structure, and the adjustment of the size of an air compression ratio is achieved through the requirements according to different liquids, so that the foaming requirements of different liquids are met.
As shown in fig. 13, the hydraulic piston 56 is an integral all-plastic member made of PP resin material, the hydraulic piston 56 includes an outer piston body 561 and an inner valve seat 562, the outer piston body 561 is connected with the inner wall of the hydraulic cylinder 32 in a vertically movable and sealed manner, and a piston assembly plug cavity 563 is disposed between the inner valve seat 562 and the outer piston body 561. The lower end of the piston rod body 511 is inserted into the piston assembly inserting cavity 563 and drives the hydraulic piston 56 to move up and down, the outer piston body on the hydraulic piston and the inner wall of the hydraulic cylinder are matched to move up and down to compress liquid, so that liquid feeding operation is realized, the inner valve seat is matched with the ejector pin to open and close the liquid feeding port, and the piston rod body is connected with the hydraulic piston to further realize linkage type operation.
As shown in fig. 14 and 15, the foaming component 4 includes an initial foaming component 41 and/or a foam discharging foaming component 42, the initial foaming component 41 is disposed at a connection end of the pressing pump head 1 and the pump body 3, and the foam discharging foaming component 42 is detachably disposed at a foam discharging port of the pressing pump head 1. The initial foaming component 41 comprises a foaming body 411 and a double-layer foaming net 412, a foaming cavity 413 is arranged in the foaming body 411, mounting grooves 414 are respectively arranged at the upper end and the lower end of the foaming cavity 413, and the double-layer foaming net 412 is arranged in the mounting grooves 414; the foaming body 411 and the double-layer foaming net 412 are respectively an integrated all-plastic material component, and the double-layer foaming net 412 comprises a coarse net and a fine net; the foaming component 42 includes a foaming body 421 and a fine foaming net 422. The foaming subassembly can set up initial foaming subassembly and play foaming subassembly according to the foaming requirement of difference, or only designs initial foaming subassembly. The initial foaming component is arranged above the gas-liquid mixing cavity, foaming is carried out in the first time after gas and liquid are mixed, and the foaming component can be arranged at the foaming outlet in order to realize more delicate foaming so as to meet different user requirements. The foaming net can be replaced by different mesh foaming nets according to different liquids, the lower part of the double-layer foaming net can be a coarse net, the upper part of the double-layer foaming net can be a fine net, double-layer foaming is achieved, step-by-step foaming is achieved, the requirement of fine and smooth foaming and foaming can be met, and meanwhile the requirement of longer foam duration can be met. The foam generating and foaming component is generally arranged for further fine foaming, and can be selected and used according to liquid and foaming requirements.
As shown in fig. 16, the pump body 3 is an integral all-plastic component made of PP resin, and the pump body 3 is an adjustable-spraying-amount pump body; the upper end of the pump body 3 is provided with a card inserting and connecting structure 301, the side wall of the pump body 3 is provided with an air outlet 302 communicated with a liquid container, and the air outlet 302 is opened and closed through the up-and-down movement of the air compression piston assembly 55. The card inserting connection structure 301 is inserted in the pump body socket 204 of the screw cap, the pump body 3 is set to be a pump body with adjustable spraying amount so as to meet the requirements of different spraying bubble amounts, the pump body with adjustable spraying amount can be replaced, can also be realized by changing the size of the hydraulic cylinder, and can also be realized by changing the pressure air cavity inside the cylinder.
As shown in fig. 17, the valve element 6 is an integral all-plastic valve made of PP resin, and the valve element 6 is provided with a flat upper liquid port 61.
Example 2:
in the embodiment shown in fig. 18, a foam pump is basically the same as the embodiment 1 except that: in this embodiment, the foaming component is provided with only the initial foaming component, and is not provided with the foaming component.
Example 3:
in the embodiment shown in fig. 19, a foam pump is basically the same as that of embodiment 1, except that: the diameter size of the all-plastic closed spring and the structure of the pump body are different, in the embodiment, the diameter size of the spring can be changed, meanwhile, the volume of the cylinder in the pump body is changed to meet the requirement of high-capacity bubble spraying, the throughput of the pump body can be designed to be different from 0.1cc to 1.6cc to meet the requirement of different bubble spraying amounts, and of course, although the diameter of the spring and the volume of the pump body are changed, the requirement of controlling the bubble spraying amount through the difference of the extrusion force can be still achieved in the extrusion bubble spraying process.
As shown in fig. 20 and 21, the foam pump in the above embodiment specifically operates as follows:
as shown in fig. 20, the pump head 1 is pressed by rotation, so that the pump head positioning structure 106 on the pump head 1 rotates to the positioning elastic sheet 202 on the screw cap 2, at this time, the pump head 1 can be pressed downward, the pump head 1 is pressed downward, the air compression piston 551 and the hydraulic piston are driven to move downward, the all-plastic closed spring 54 is compressed, the air compression piston and the all-plastic closed spring together compress the air inside the air cylinder 31, the compression ratio of the air is increased, the air is pressed to open the inner valve sheet 5521 on the air valve sheet 552 upward, and the air enters the upper air chamber 557 and the air-liquid mixing chamber 556; meanwhile, the piston rod body 511 is driven to move downwards in the process of pressing the pump head downwards, the hydraulic piston 56 at the lower end of the piston rod body 511 also moves downwards, the hydraulic piston 56 jumps upwards due to the friction force between the hydraulic piston 56 and the inner wall of the hydraulic cylinder 32, namely, the sealing fit between the bidirectional sealing valve body structure 518 at the lower end of the thimble 512 and the internal valve seat 562 on the hydraulic piston 56 is opened, the fit between the inclined sealing valve body structure 517 at the upper end of the thimble 512 and the inclined liquid outlet valve cavity 514 on the piston rod body is also opened, the internal cavity 513 of the piston rod body 511 is vertically communicated, the upper liquid channel 10, the liquid channel 52 and the gas-liquid confluence channel 7 are communicated, at the moment, the liquid in the hydraulic cylinder 32 enters the gas-liquid confluence channel 7 through the upper liquid channel 10 and the liquid channel 52 to be mixed with the gas, and then enters the foaming component 4 to be foamed, and the gas and the liquid are mixed in the gas-liquid, The fine mesh foams layer by layer and is ejected out through a foam outlet channel 103 of the pump head. In the process that the liquid is extruded from the hydraulic cylinder, the valve piece 6 is pressed inside the upper liquid valve seat due to the extrusion of the liquid of the hydraulic cylinder, and the inside of the liquid container is isolated from the passage of the hydraulic cylinder. As shown in fig. 21, after the extrusion foaming is completed, the pressing pump head 1 is released, the pressing pump head is reset under the elastic force of the all-plastic enclosed spring, in the resetting process, because the gas in the cylinder is discharged, the inner valve sheet 5521 on the gas valve sheet 552 resets to seal the gas inlet 9, at this time, the external gas pressure is greater than the gas pressure in the cylinder, the outer valve sheet 5522 on the gas valve sheet 552 is opened, the external gas enters the cylinder 31 through the gas inlet groove 559, meanwhile, because the gas piston moves downwards, the gas outlet 302 on the pump body is opened, when the external gas enters the cylinder, a part of the gas also enters the liquid container 11 through the gas outlet 302, at this time, the gas pressure in the liquid container 11 is greater than the gas pressure in the liquid cylinder 32 (the liquid in the liquid cylinder 32 is sprayed, the internal pressure is less than the pressure in the liquid container), the valve element 6 is influenced by the pressure in the liquid, the liquid container is bounced upwards to leave a liquid feeding space, and the liquid in the liquid container enters the hydraulic cylinder 32 through the liquid suction pipe 12, so that the primary liquid feeding is completed. During the resetting process, the hydraulic passage 10 is sealed because the friction force between the hydraulic piston and the inner wall of the hydraulic cylinder moves downward.
The foam pump, to the defect that the existing foam pump exists, carry on the brand-new design to the spring assembly and its structure, make all-plastic closed spring and air compression piston assembly cooperate and realize the double air compression structure, in the course of using, press the pump head to press down, drive the linkage of the spring assembly, the air compression piston assembly moves down and compresses the gas inside the air cylinder at the same time, all-plastic closed spring is compressed, the spring air compression structure compresses the gas inside the air cylinder at the same time, thus has formed the double compression to the gas inside the air cylinder, make the air compression ratio inside the air cylinder change rapidly, the gas is because compressed, thus gush to the gas-liquid confluence channel rapidly, because air compression piston assembly, piston rod assembly, all-plastic closed spring and air compression piston assembly make up and form the integrative linkage type air compression hydraulic reset mechanism, the air cylinder is compressed the in-process, the inside liquid of hydropress cylinder is compressed by hydropress piston assembly and then is pressed gas-liquid to flowing inside the liquid way and converge passageway and gaseous flash mixed, because the inside gas of cylinder is dual compression for gaseous compression ratio can increase fast, thereby can make the foaming effect better in the foaming subassembly with liquid mixing in-process, simultaneously, can make the foam duration after the foaming more of a specified duration, more exquisite. Adopt dual compressed air structure in this foam pump, can also satisfy different crowds' operation requirement, owing to adopt plastic closed spring, the elasticity size of spring can be because of atmospheric pressure, pressing force variation in size change, presses the in-process and feels, and the comfort level is strong, no matter pressing force degree size moreover, can both extrude the foam, can realize out the regulation of bubble volume size according to the size of pressing force moreover, has avoided extrudeing too much extravagantly, is favorable to practicing thrift. Meanwhile, the full-plastic closed spring in the foam pump is completely isolated from liquid, so that the foam pump is not polluted by the liquid and is more environment-friendly and pollution-free.
This foam pump adopts piston subassembly, piston rod subassembly, the closed spring of plastic and the combination of pressure hydraulic piston spare to form integrative coordinated type pressure hydraulic pressure canceling release mechanical system, and the cylinder is gaseous by the compression in-process, and the inside liquid of pressure hydraulic cylinder is compressed by pressure hydraulic piston subassembly and flows and then is pressed gas-liquid to converge the passageway and gaseous flash mixed to the liquid way is inside, has effectively improved the foaming effect, quick break-make moreover, and sealing performance is good. Adopt dual pressure cylinder structure, the inside gas of cylinder is dual compression for the compression ratio increase of gas is quick, thereby can make the foaming effect better in the foaming subassembly with liquid mixing in-process, makes the foam duration after the foaming more of a specified duration, and is more exquisite. The use requirements of different crowds can be met, the adjustment of the foam quantity can be realized according to the pressing force, the excessive waste of extrusion is avoided, and the saving is facilitated. The integrally closed spring made of the PP resin material is adopted, the elasticity of the spring is adjustable, the problems that once the existing metal spring is made, the coefficient of stiffness of the spring is constant, the elasticity is constant, the pressing process is heavy and the hand feeling is poor are solved, and the overall plastic spring is good in pressing hand feeling. The full-plastic closed spring in the foam pump is completely isolated from liquid, is not polluted by the liquid, and is more environment-friendly and pollution-free. The screw cap is internally provided with a screw thread tooth-lifting structure which can be matched with the liquid container in any shape or model and can be screwed at any angle, and the tooth-lifting structure in a plurality of directions or in the screwing direction can be designed according to the liquid container in different matching, so that the suitable requirements of different liquid containers can be met. Multiple foaming makes the foaming more exquisite and lasts for a longer time. The pump body with adjustable spraying amount is adopted to meet the requirements of different spraying bubble amounts. All the components are of full-plastic structures, so that the recycling is facilitated, and the environment is protected.
A person skilled in the art will be able to implement the invention on the basis of the description of the above embodiments. Furthermore, the above-described embodiments are merely exemplary embodiments of the present invention, which are generally not all exemplary embodiments. Therefore, based on the embodiments of the present invention, all other technical documents and embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Claims (17)

1. A foam pump, comprising: the pressing pump head (1), the screw cap (2), the pump body (3), the foaming component (4), the elastic pressing component (5) and the valve component (6) are arranged;
a cylinder (31), a hydraulic cylinder (32) and an upper liquid valve seat (33) are integrally arranged in the pump body (3);
the elastic pressing component (5) is arranged in the pump body (3) and is linked with the pressing pump head (1) and used for compressing gas in the air cylinder (31) to realize gas feeding and compressing liquid in the hydraulic cylinder (32) to realize liquid discharging and resetting;
the elastic pressing assembly (5) comprises a piston rod assembly (51) with a liquid channel (52), a piston assembly (53) and an all-plastic closed spring (54); the piston assembly (53) comprises a displacer assembly (55) with an air inlet and air outlet structure and a hydraulic piston (56);
the upper end of the piston rod assembly (51) is movably connected with the air compression piston assembly (55) in an opening and closing manner, a gas-liquid confluence channel (7) is formed between the upper end of the piston rod assembly (51) and the air compression piston assembly (55), and the lower end of the piston rod assembly (51) is movably connected with a hydraulic piston (56) in an opening and closing manner;
the all-plastic closed spring (54) is sleeved on the piston rod assembly (51) and is pressed in the cylinder (31) through the piston rod assembly (51), the all-plastic closed spring (54) forms a plurality of spring air compression structures (543) in the compression process, and the all-plastic closed spring (54) and the air compression piston assembly (55) form a double air compression structure;
the air compression piston assembly (55), the piston rod assembly (51), the all-plastic closed spring (54) and the hydraulic piston (56) are combined to form an integrated linkage type air compression hydraulic reset mechanism.
2. A foam pump as defined in claim 1, wherein: the all-plastic closed spring (54) is a PP resin material component, a spring inner cavity (541) is arranged inside the all-plastic closed spring (54), and two ends of the all-plastic closed spring (54) are respectively provided with a spring sealing pressure seat (542); the spring air compression structure (543) is formed between the elastic rings of the all-plastic closed spring (54).
3. A foam pump as defined in claim 1, wherein: an adjustable air pressing cavity (8) is formed between the outer wall of the all-plastic closed spring (54) and the inner wall of the air cylinder, and air in the adjustable air pressing cavity (8) is compressed through a double air pressing structure formed by the spring air pressing structure (543) and the air pressing piston assembly (55) to realize rapid air pressing and air charging.
4. A foam pump as defined in claim 1, wherein: the screw cap (2) is internally provided with a thread starting structure (201) which can be screwed at any angle.
5. A foam pump as defined in claim 1, wherein: the pump is characterized in that the screw cap (2) is an integrated all-plastic component, a positioning elastic sheet (202) is arranged at an opening at the upper part of the screw cap (2), a movable chamber (203) for pressing a pump head is arranged inside the screw cap (2), a pump body socket (204) is arranged on the inner wall of the screw cap (2), and a rotation stopping structure (205) is arranged at an opening at the lower part of the screw cap (2).
6. A foam pump as defined in claim 1, wherein: the pressing pump head (1) comprises a spray head (101) and a sliding sleeve (102), a foam cavity channel (103) is arranged in the spray head (101), the foam cavity channel (103) is obliquely arranged, a sliding cavity (104) and an inner cavity (105) are coaxially arranged in the sliding sleeve (102), an anti-falling structure (107) is arranged at the lower part of the inner cavity, and the foaming component (4) is arranged in the foam cavity channel (103) and/or the inner cavity (105); the lower part of the sliding sleeve (102) is radially provided with a pump head positioning structure (106).
7. A foam pump as defined in claim 1, wherein: the piston rod assembly (51) comprises a piston rod body (511) and an ejector pin (512) movably arranged in the piston rod body (511); the liquid channel (52) is formed between the thimble (512) and the inner wall of the piston rod body (511).
8. A foam pump as defined in claim 7, wherein: the piston rod body (511) formula structure as an organic whole, piston rod body (511) inside be provided with cavity (513) about link up, piston rod body (511) upper end be provided with thimble (512) cooperation realize the slope play liquid valve chamber (514) of opening and close, piston rod body (511) upper portion outer wall fit with a contraceptive ring and be provided with shell fragment seat (515) that have last gas port (9), the lower part of shell fragment seat (515) be provided with spring and press seat (516).
9. A foam pump as defined in claim 7, wherein: the thimble (512) is of an integrated structure, the upper end of the thimble (512) is provided with an inclined sealing valve body structure (517), and the lower end of the thimble (512) is provided with a bidirectional sealing valve body structure (518); an upper liquid channel (10) is formed between the bidirectional sealing valve body structure (518) and the hydraulic piston (56), and the thimble (512) moves up and down along the piston rod body (511) to realize the on-off of the upper liquid channel (10) at the lower part and the on-off of the upper liquid channel (52) and the gas-liquid confluence channel (7).
10. A foam pump as defined in claim 1, wherein: the air compression piston assembly (55) comprises an air compression piston (551) and an air valve plate (552), and the air valve plate (552) is inserted in the air compression piston (551) and matched with the piston rod assembly (51) to realize air inlet and air supply.
11. A foam pump as defined in claim 10, wherein: the air compression piston (551) is an integrated all-plastic component, and the air compression piston (551) comprises a connecting seat (553) and a piston body (554); an anti-falling bulge (550) is arranged on the outer wall of the connecting seat (553), the connecting seat (553) is hermetically clamped with the interior of the pressing pump head (1), and a foaming component mounting seat (555), a gas-liquid mixing cavity (556) and an upper gas cavity (557) are sequentially arranged in the connecting seat (553) from top to bottom; a valve plate mounting seat (558) is arranged on the piston body (554) and is coaxial with the connecting seat, and an air inlet groove (559) is arranged at the connecting position of the valve plate mounting seat (558) and the piston body (554); the piston body (554) is movably and hermetically connected with the upper part and the lower part of the inner wall of the cylinder (31) and forms the double-air-compression structure with the all-plastic closed spring (54).
12. A foam pump as defined in claim 10, wherein: the gas valve plate (552) is an integrated all-plastic material component, and the gas valve plate (552) comprises a valve plate body (5520), an inner valve plate (5521) and an outer valve plate (5522).
13. A foam pump as defined in claim 1, wherein: the hydraulic piston (56) is an integrated all-plastic component, the hydraulic piston (56) comprises an outer piston body (561) and an inner valve seat (562), the outer piston body (561) is in up-and-down movable sealing connection with the inner wall of the hydraulic cylinder (32), and a piston assembly inserting cavity (563) is arranged between the inner valve seat (562) and the outer piston body (561).
14. A foam pump according to any one of claims 1 to 13, wherein: foaming subassembly (4) including initial foaming subassembly (41) or/and play bubble foaming subassembly (42), initial foaming subassembly (41) set up and pressing pump head (1) and pump body (3) link, play bubble foaming subassembly (42) detachable setting at pressing pump head (1) play bubble mouth.
15. A foam pump as defined in claim 14, wherein: the initial foaming component (41) comprises a foaming body (411) and a double-layer foaming net (412), a foaming cavity (413) is arranged in the foaming body (411), the upper end and the lower end of the foaming cavity (413) are respectively provided with an installation groove (414), and the double-layer foaming net (412) is arranged in the installation groove (414); the foaming body (411) and the double-layer foaming net (412) are respectively an integrated all-plastic material component, and the double-layer foaming net (412) comprises a coarse net and a fine net; the foaming component (42) comprises a foaming body (421) and a fine foaming net (422).
16. A foam pump according to any one of claims 1 to 13, wherein: the pump body (3) is connected with the screw cover (2) in a sealing and inserting manner; the pump body (3) is an adjustable spraying amount pump body; the upper end of the pump body (3) be provided with insert card connection structure (301), the lateral wall of the pump body (3) on be provided with gas outlet (302) of intercommunication liquid container, gas outlet (302) realize opening and close through the up-and-down motion of air compressing piston subassembly (55).
17. A foam pump according to any one of claims 1 to 13, wherein: the valve piece (6) is an integrated all-plastic air valve, a flat liquid feeding port (61) is arranged on the valve piece (6), and the valve piece (6) is arranged in a liquid feeding valve seat (33) and used for opening and closing a liquid channel between a liquid container and the liquid pressing cylinder (32).
CN202021819201.1U 2020-08-26 2020-08-26 Foam pump Active CN212739100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021819201.1U CN212739100U (en) 2020-08-26 2020-08-26 Foam pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021819201.1U CN212739100U (en) 2020-08-26 2020-08-26 Foam pump

Publications (1)

Publication Number Publication Date
CN212739100U true CN212739100U (en) 2021-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021819201.1U Active CN212739100U (en) 2020-08-26 2020-08-26 Foam pump

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Country Link
CN (1) CN212739100U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022041640A1 (en) * 2020-08-26 2022-03-03 宁波圣捷喷雾泵有限公司 Foam pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022041640A1 (en) * 2020-08-26 2022-03-03 宁波圣捷喷雾泵有限公司 Foam pump

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