CN220997537U - Foam pump - Google Patents

Foam pump Download PDF

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Publication number
CN220997537U
CN220997537U CN202322895054.6U CN202322895054U CN220997537U CN 220997537 U CN220997537 U CN 220997537U CN 202322895054 U CN202322895054 U CN 202322895054U CN 220997537 U CN220997537 U CN 220997537U
Authority
CN
China
Prior art keywords
air
foam
valve rod
face
head cap
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.)
Active
Application number
CN202322895054.6U
Other languages
Chinese (zh)
Inventor
杭呈
符均华
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.)
Ningbo Jinyu Technology Industrial Co ltd
Original Assignee
Ningbo Jinyu Technology 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 Ningbo Jinyu Technology Industrial Co ltd filed Critical Ningbo Jinyu Technology Industrial Co ltd
Priority to CN202322895054.6U priority Critical patent/CN220997537U/en
Application granted granted Critical
Publication of CN220997537U publication Critical patent/CN220997537U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • 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
    • 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

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  • Closures For Containers (AREA)

Abstract

The utility model provides a foam pump, the body includes the pump body, install in the bight of pump body upper end, and the headgear, the upper end of bight is equipped with and removes the chamber, the bight is pegged graft in removing the intracavity, be equipped with big piston in the inner chamber of the sealed junction of pump body and bight, foam piece grafting is installed in the lower tip of big piston, the lower tip of big piston includes the air vent, foam piece is including locating the first blocking part of outside edge, and locate inboard second blocking part, be equipped with the gas outlet between foam piece and the valve rod, first blocking part locates the air vent below and seals the air vent, the second blocking part locates gas outlet top and seals the gas outlet, the pump body is including locating its inside gas storehouse, and with the first play liquid pipeline of end connection under the gas storehouse, the headgear includes the second goes out liquid pipeline, first play liquid pipeline loops through the valve rod inner chamber, and behind the big piston inner chamber with the second play liquid pipeline connection. The utility model provides a foam pump which has good air tightness and good foam outlet effect.

Description

Foam pump
Technical Field
The utility model relates to the technical field of liquid spraying equipment, in particular to a foam pump.
Background
The emulsion products such as bath cream, shampoo, facial cleanser, bowl washing essence and the like sold in the market are all obtained by filling the emulsion into containers. When in use, the bottle cap is directly taken down to pour the emulsion, or the pressure head is pressed to outflow the emulsion. In any method, the flowing emulsion is thick liquid emulsion, no foam exists, the whole lump is directly attached to the washings, washing is not easy to wash, a foam pump appears on the market at present for meeting the needs of people, and the foam pump forms foam when liquid in a liquid container is pumped out through the action of the matched gas. However, the conventional foam pump has the problems of poor foaming effect, poor sealing performance, gas easy to enter the liquid container, bubbles in the liquid container, degradation of the quality of the liquid in the liquid container and the like when in use.
Disclosure of utility model
In view of this, the embodiments of the present specification provide a foam pump that uses a foam pump having good air tightness and good foaming effect.
In order to solve the technical problems, the utility model provides the following technical scheme: the foam pump comprises a body, wherein the body comprises a pump body, a large ring arranged at the upper end of the pump body and a head cap capable of vertically moving up and down relative to the large ring, a moving cavity is arranged at the upper end part of the large ring, the large ring is inserted in the moving cavity, a large piston, a foam sheet and a valve rod are arranged in an inner cavity at the sealed joint of the pump body and the large ring, the foam sheet is inserted in the lower end part of the large piston, the lower end part of the large piston comprises a vent hole, the foam sheet comprises a first blocking part arranged at the outer side edge and a second blocking part arranged at the inner side, an air outlet is arranged between the foam sheet and the valve rod, the first blocking part is arranged below the vent hole and seals the vent hole, the second blocking part is arranged above the air outlet and seals the air outlet, the pump body comprises a gas bin arranged inside the pump body and a first liquid outlet pipeline connected with the lower end part of the gas bin, the head cap comprises a second liquid outlet pipeline, and the first liquid outlet pipeline sequentially passes through the inner cavity of the valve rod and the inner cavity of the large piston and is connected with the second liquid outlet pipeline after pressing the cap, the vent hole is closed, the air outlet and the liquid in the gas bin and the second liquid outlet pipeline is discharged through the second liquid outlet pipeline after passing through the second liquid outlet pipeline; when the head cap is loosened, the air outlet is closed, the vent hole is communicated, and air is led into the air bin through the vent hole.
Compared with the prior art, the utility model has the advantages that: when the pressure head cap is pressed, the vent hole is closed, the air outlet is communicated, and the air in the air bin is mixed with the liquid in the valve rod and is discharged through the second liquid outlet pipeline; when the head cap is loosened, the air outlet is closed, the air vent is communicated, air is led into the air bin through the air vent, when the head cap is pressed, the air flow in the air bin impacts the first blocking part and the second blocking part, so that the air vent is sealed by the first blocking part, the air vent is closed, the second blocking part is turned upwards, the air outlet is communicated, air in the air bin flows into the second liquid outlet pipeline from the air outlet, when the head cap is loosened, air in the air bin flows upwards, the external air flow impacts the first blocking part and the second blocking part, the first blocking part is turned downwards, so that the air vent is communicated, the external air enters the air bin, the second blocking part is restored to be the original shape, the air outlet is closed, the design is ingenious, the shape of the first blocking part and the second blocking part of the foam sheet is changed, sealing or communication is realized, the air tightness is good, and the foam discharging effect is good, and the design is ingenious.
In some embodiments, the lower end part of the valve rod is inserted with a valve needle, the valve needle is movably arranged in the first liquid outlet pipeline, the valve needle comprises a first connecting pipeline which is vertically arranged and a second connecting pipeline which is horizontally arranged, the first connecting pipeline is communicated with the second connecting pipeline, a small piston is sleeved on the valve needle, the small piston comprises a first sealing part which is propped against the wall surface of the valve needle and a second sealing part which is propped against the inner wall of the first liquid outlet pipeline, and when the body is in a static state, the first sealing part is positioned at the outlet of the second connecting pipeline and seals the second connecting pipeline; when the pressure head cap is pressed, the second connecting pipeline is separated from the first sealing part, the second connecting pipeline is conducted, through the improvement, the valve needle and the small piston are relatively moved by pressing the pressure head cap, and when the body is in a static state, the first sealing part is positioned at the outlet of the second connecting pipeline and seals the second connecting pipeline; when the pressure head cap is pressed, the second connecting pipeline is separated from the first sealing part, and the second connecting pipeline is conducted, so that the valve rod is arranged in a switching mode.
In some embodiments, the lower end of the valve needle is provided with a mounting groove, when the body is in a static state, the first sealing part is accommodated in the mounting groove, through the improvement, the lower end face of the first sealing part is propped against the mounting groove through the arrangement of the mounting groove, and the small piston is prevented from moving downwards under the influence of gravity when the body is in the static state, so that the small piston is separated from the second connecting pipeline.
In some embodiments, the lower end of the air bin is provided with a containing groove, the elastic sleeve is installed in the containing groove, when the body is in a static state, the upper end face of the second sealing part is propped against the lower end face of the elastic sleeve, through the improvement, the upper end face of the second sealing part is propped against the lower end face of the elastic sleeve, when the body is in a static state, the position of the small piston is statically determined, the first sealing part is positioned at the second connecting pipeline, and meanwhile, the small piston is prevented from being separated from the first liquid outlet pipeline in the vertical up-down movement process, so that the stability of the body in the operation process is improved.
In some embodiments, the up end of bullet cover is equipped with the elastic component, and the elastic component cup joints on the valve rod, and the valve rod includes the bulge, and the one end of elastic component offsets with the lower terminal surface of bulge, through the improvement, through the setting of elastic component, presses the head cap, and the elastic component takes place deformation, loosens the head cap, and the elastic component resumes deformation, supports the head cap for the head cap resets, and the simple operation is laborsaving.
In some embodiments, the elastic member is tubular, and by the improvement, the supporting force of the elastic member arranged in a tubular shape is large, the service life is long, and the supporting force change amplitude of the tubular elastic member after the elastic member is used for a plurality of times is smaller than that of the non-tubular elastic member.
In some embodiments, the lower terminal surface of bulge is equipped with first spacing portion, and the up end of bullet cover is equipped with second spacing portion, and the outside of elastic component is all located to first spacing portion and second spacing portion, through the improvement, the outside of elastic component is all located to first spacing portion and second spacing portion, and the position of the upper end and the lower tip of restriction elastic component prevents that the elastic component from taking place great skew in the course of the work for the body in-process is more stable.
In some embodiments, the lower end face of the large piston is provided with a fixing groove, the upper end face of the foam sheet is provided with a fixing plate, the fixing plate is inserted and installed in the fixing groove, and by the improvement, the fixing plate is inserted and installed in the fixing groove, so that the foam sheet is connected with the large piston more tightly.
In some embodiments, the major circle includes screw thread portion, and the pump body is threaded connection with the pump body including locating up end and screw thread portion complex installation department, through the improvement, through screw thread portion and installation department cooperation, just can realize the dismouting of the pump body through precession or precession, simple to operate, easy maintenance.
In some embodiments, the whole plastic material that is of body, through the improvement, through the plastic setting, when the foam pump abandonment need not retrieve, reduce the process of retrieving work, dismantle the foam pump is whole, just can realize retrieving, reduce and retrieve work process, reduced operating time, increased work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the foam sheet and large piston of the present utility model when the cap is released;
FIG. 4 is an enlarged schematic view of the foam sheet and large piston of the present utility model when the cap is pressed;
FIG. 5 is an enlarged schematic view of the valve needle and small piston engagement of the loose top of the present utility model;
FIG. 6 is an enlarged schematic view of the valve needle and small piston engagement of the push head cap of the present utility model;
FIG. 7 is a schematic view of the headgear structure of the present utility model;
FIG. 8 is a schematic view of the cap structure of the present utility model;
FIG. 9 is a schematic view of another angular configuration of the cap of the present utility model;
FIG. 10 is a schematic cross-sectional view of the pump body of the present utility model;
FIG. 11 is a schematic view of a large piston configuration of the present utility model;
FIG. 12 is a schematic view of another angular configuration of a large piston of the present utility model;
FIG. 13 is a schematic view of the foam sheet structure of the present utility model;
FIG. 14 is a schematic view of the elastic member structure of the present utility model;
FIG. 15 is a schematic view of a valve stem according to the present utility model;
FIG. 16 is a schematic view of a spring sleeve according to the present utility model;
FIG. 17 is a schematic cross-sectional view of the valve needle of the present utility model;
FIG. 18 is a schematic view of a small piston structure of the present utility model;
FIG. 19 is a schematic view of a valve plate according to the present utility model;
Fig. 20 is a schematic view of the structure of the net plug of the present utility model.
In the figure: 1. a headgear; 1.1, a second liquid outlet pipeline; 1.2, a guide part; 1.2.1, a limit groove; 2. a large circle; 2.1, moving the cavity; 2.2, a threaded portion; 2.3, a guide groove; 2.4, a guide plate; 3. a pump body; 3.1, an air bin; 3.1.1, a containing groove; 3.2, a first liquid outlet pipeline; 3.3, an installation part; 3.4, connecting holes; 4. a net plug; 5. a large piston; 5.1, vent holes; 5.2, a fixing groove; 6. a foam sheet; 6.1, a first blocking part; 6.2, a second blocking part; 6.3, fixing plate; 7. a valve stem; 7.1, a protruding portion; 7.2, a first limiting part; 8. an air outlet; 9. an elastic member; 10. a spring sleeve; 10.1, a second limiting part; 11. a small piston; 11.1, a first closure; 11.2, a second closure; 12. a valve needle; 12.1, a first connecting pipeline; 12.2, a second connecting pipeline; 12.3, mounting grooves; 13. a valve plate; 14. a gasket.
Detailed Description
The application will now be described in detail with reference to the drawings and to specific embodiments.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, apparatus may be implemented and/or methods practiced using any number and aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details.
The following describes the technical scheme provided by each embodiment of the present application with reference to the accompanying drawings.
Referring to fig. 1-20, in this embodiment: the foam pump comprises a body, wherein the body comprises a pump body 3, a large ring 2 arranged at the upper end of the pump body 3 and a head cap 1 capable of vertically moving up and down relative to the large ring 2, a moving cavity 2.1 is arranged at the upper end part of the large ring 2, the large ring 2 is inserted in the moving cavity 2.1, a large piston 5, a foam sheet 6 and a valve rod 7 are arranged in an inner cavity at the sealed connection part of the pump body 3 and the large ring 2, the foam sheet 6 is inserted and arranged at the lower end part of the large piston 5, the lower end part of the large piston 5 comprises a vent hole 5.1, the foam sheet 6 comprises a first blocking part 6.1 arranged at the outer edge and a second blocking part 6.2 arranged at the inner side, an air outlet 8 is arranged between the foam sheet 6 and the valve rod 7, the first blocking part 6.1 is arranged below the vent hole 5.1 and seals the vent hole 5.1, the second blocking part 6.2 is arranged above the air outlet 8, the pump body 3 comprises a first liquid outlet pipe 3.1 arranged in the inner cavity and connected with the lower end part of the air bin 3.1, the first liquid outlet pipe 3.1 and a liquid outlet pipe 1 connected with the lower end part of the air bin 3.1, and the first liquid outlet pipe 1 and the second liquid outlet pipe 1.1 is connected with the inner cavity 1 and the second liquid outlet pipe 1.1 through the vent 1 and the second liquid outlet pipe 1.1 and the vent 1 and the second pipe 1.1 and the vent pipe 1 is closed in turn; when the head cap 1 is loosened, the air outlet 8 is closed, the vent hole 5.1 is communicated, and air is led into the air bin 3.1 through the vent hole 5.1.
When the pressure head cap 1 is pressed, the vent hole 5.1 is closed, the air outlet 8 is communicated, and the air in the air bin 3.1 is mixed with the liquid in the valve rod 7 and is discharged through the second liquid outlet pipeline 1.1; when the head cap 1 is loosened, the air outlet 8 is closed, the air vent 5.1 is communicated, air is led into the air bin 3.1 through the air vent 5.1, when the head cap 1 is pressed, the air flow in the air bin 3.1 impacts the first blocking part 6.1 and the second blocking part 6.2, the first blocking part 6.1 seals the air vent 5.1, the air vent 5.1 is closed, the second blocking part 6.2 is turned upwards, the air outlet 8 is communicated, the air in the air bin 3.1 flows into the second liquid outlet pipeline 1.1 from the air outlet 8, when the head cap 1 is loosened, the air in the air bin 3.1 flows upwards, the external air flow impacts the first blocking part 6.1 and the second blocking part 6.2, the first blocking part 6.1 is turned downwards, the air vent 5.1 is communicated, the external air enters the air bin 3.1, the second blocking part 6.2 is restored to be original, the air outlet 8 is closed, the shape of the first blocking part 6.1 and the second blocking part 6.2 of the foam piece 6 is changed through air pressure change, the air tightness or the sealing effect is good, and the sealing effect is achieved, and the foam effect is ingenious.
It should be noted that the wall surface of the upper end part of the air bin 3.1 is provided with a connecting hole 3.4, the head cap 1 is pressed, the large piston 5 and the small piston 11 move to the lower end part of the air bin 3.1, the connecting hole 3.4 is communicated, and the external air flows from the connecting hole 3.4 to the upper end part of the air bin 3.1.
It should be noted that, when the foam pump is in a stationary state, the wall surface of the large piston 5 abuts against the wall surface of the air chamber 3.1, and the wall surface of the large piston 5 blocks the connecting hole 3.4, so that the connecting hole 3.4 is closed.
In some embodiments, as shown in fig. 20, the upper end of the large piston 5 is inserted with a net plug 4, and the upper end of the net plug 4 is accommodated in the second liquid outlet pipe 1.1, and it should be noted that, by setting the net plug 4, bubbles are generated through the net plug 4 by blending air and liquid, so that the body bubbles are finer.
In some embodiments, as shown in fig. 19, a valve plate 13 is disposed at the bottom of the first liquid outlet channel, when the head cap 1 is pressed, the valve plate 13 is closed, and when the head cap 1 is released, the valve plate 13 is opened, and it is noted that the valve plate 13 is set, so as to realize the switch setting of the first liquid outlet channel.
In some embodiments, as shown in fig. 4-6, the lower end of the valve rod 7 is inserted with a valve needle 12, the valve needle 12 is movably mounted in the first liquid outlet pipe 3.2, the valve needle 12 comprises a first connecting pipe 12.1 vertically arranged and a second connecting pipe 12.2 horizontally arranged, the first connecting pipe 12.1 is communicated with the second connecting pipe 12.2, the valve needle 12 is sleeved with a small piston 11, the small piston 11 comprises a first sealing part 11.1 propped against the wall surface of the valve needle 12 and a second sealing part 11.2 propped against the inner wall of the first liquid outlet pipe 3.2, and when the body is in a static state, the first sealing part 11.1 is positioned at the outlet of the second connecting pipe 12.2 and seals the second connecting pipe 12.2; when the pressure head cap 1 is pressed, the second connecting pipeline 12.2 is separated from the first sealing part 11.1, and the second connecting pipeline 12.2 is conducted, and it is required to be noted that the valve needle 12 and the small piston 11 relatively move through the pressure head cap 1, and when the body is in a static state, the first sealing part 11.1 is positioned at the outlet of the second connecting pipeline 12.2 and seals the second connecting pipeline 12.2; when the pressure head cap 1 is pressed, the second connecting pipeline 12.2 is separated from the first sealing part 11.1, and the second connecting pipeline 12.2 is conducted, so that the valve rod 7 is arranged in a switching mode.
In some embodiments, as shown in fig. 17, the lower end portion of the valve needle 12 is provided with a mounting groove 12.3, when the body is in a static state, the first sealing portion 11.1 is accommodated in the mounting groove 12.3, and it should be noted that, by setting the mounting groove 12.3, the lower end surface of the first sealing portion 11.1 abuts against the mounting groove 12.3, so that the small piston 11 moves downward under the influence of gravity when the body is in the static state, and is separated from the second connecting pipe 12.2.
In some embodiments, as shown in fig. 19, the lower end portion of the air chamber 3.1 is provided with a containing groove 3.1.1, the containing groove 3.1.1 is internally provided with a bullet sleeve 10, when the body is in a static state, the upper end face of the second sealing portion 11.2 is propped against the lower end face of the bullet sleeve 10, it is noted that the upper end face of the second sealing portion 11.2 is propped against the lower end face of the bullet sleeve 10, so that when the body is in the static state, the position of the small piston 11 is statically determined, the first sealing portion 11.1 is located at the second connecting pipeline 12.2, and meanwhile, the small piston 11 is prevented from being separated from the first liquid outlet pipeline 3.2 in the vertical up-down movement process, so that the stability of the body in the operation process is increased.
In some embodiments, as shown in fig. 16, an elastic element 9 is disposed on an upper end surface of the elastic sleeve 10, the elastic element 9 is sleeved on the valve rod 7, the valve rod 7 includes a protruding portion 7.1, one end of the elastic element 9 abuts against a lower end surface of the protruding portion 7.1, it is noted that, through the arrangement of the elastic element 9, the head cap 1 is pressed, the elastic element 9 deforms, the head cap 1 is loosened, the elastic element 9 returns to deform, and the head cap 1 is supported, so that the head cap 1 is reset, and the operation is convenient and labor-saving.
In some embodiments, as shown in fig. 14, the elastic member 9 is tubular, and it should be noted that the supporting force of the elastic member 9 disposed in a tubular shape is large, and the service life is long, and the supporting force of the elastic member 9 in a tubular shape changes less than that of the elastic member 9 in a non-tubular shape after multiple uses.
In some embodiments, as shown in fig. 15, a first limiting portion 7.2 is disposed on a lower end surface of the protruding portion 7.1, a second limiting portion 10.1 is disposed on an upper end surface of the elastic sleeve 10, and the first limiting portion 7.2 and the second limiting portion 10.1 are disposed on an outer side of the elastic member 9, it should be noted that the first limiting portion 7.2 and the second limiting portion 10.1 are disposed on the outer side of the elastic member 9, so as to limit positions of an upper end portion and a lower end portion of the elastic member 9, and prevent the elastic member 9 from being greatly deviated in a working process, so that the body is more stable in the working process.
In some embodiments, as shown in fig. 11-12, a fixing groove 5.2 is formed in the lower end surface of the large piston 5, a fixing plate 6.3 is formed in the upper end surface of the foam sheet 6, the fixing plate 6.3 is inserted and installed in the fixing groove 5.2, and it is noted that the fixing plate 6.3 is inserted and installed in the fixing groove 5.2, so that the connection between the foam sheet 6 and the large piston 5 is tighter.
In some embodiments, as shown in fig. 12, the large ring 2 includes a threaded portion 2.2, the pump body 3 includes an installation portion 3.3 that is disposed on an upper end surface and is matched with the threaded portion 2.2, the large ring 2 is in threaded connection with the pump body 3, and it is to be noted that the pump body 3 can be disassembled and assembled by screwing in or screwing out through the threaded portion 2.2 and the installation portion 3.3, so that the assembly and disassembly are convenient, and the maintenance is convenient.
It should be noted that when the pump body 3 is screwed into the large ring 2, the gasket 14 is sleeved on the lower end surface of the mounting portion 3.3, so that the sealing performance between the large ring 2 and the pump body 3 is better.
In some embodiments, as shown in fig. 1-2, the whole body is made of plastic material, and it should be noted that, through the whole plastic arrangement, when the foam pump is discarded and does not need to be recycled, the working procedure of recycling is reduced, and the foam pump is wholly disassembled, so that recycling can be realized, the working procedure of recycling is reduced, the working time is reduced, and the working efficiency is increased.
In some embodiments, as shown in fig. 7, the headgear 1 includes a guide portion 1.2 disposed vertically, the large ring 2 includes a guide groove 2.3 that is matched with the guide portion 1.2, and the guide groove 2.3 is disposed in the moving cavity 2.1, and it should be noted that, by matching the guide portion 1.2 with the guide groove 2.3, during pressing the headgear 1 or loosening the headgear 1, so that the headgear 1 returns to a static state, a predetermined track is reserved to prevent the components of the headgear 1 from colliding with other components to cause damage.
In some embodiments, as shown in fig. 8, the guide portion 1.2 is provided with a lateral limit groove 1.2.1, the large ring 2 is provided with a guide plate 2.4 matched with the limit groove 1.2.1, the guide plate 2.4 is circumferentially arranged around the central axis of the large ring 2, and when the guide plate 2.4 is in a static state, the guide plate 2.4 and the limit groove 1.2.1 are in the same horizontal plane, and when the foam pump is not used, the head cap 1 is rotated, so that the guide plate 2.4 is screwed into the limit groove 1.2.1, and at the moment, the wall surface of the guide plate 2.4 is abutted against the wall surface of the limit groove 1.2.1, so that the foam pump cannot be pressed, and foam outflow caused by mistakenly touching the pressing head cap 1 is prevented; when the foam pump is needed to be used, the guide part 1.2 of the head cap 1 is rotated to the position of the limit groove 1.2.1, the guide plate 2.4 is contacted and abutted with the limit groove 1.2.1, and the head cap 1 can be normally pressed.
Working principle: when the pressure head cap 1 is pressed, the vent hole 5.1 is closed, the air outlet 8 is communicated, the valve plate 13 is closed, the second connecting channel of the valve needle 12 is communicated, the liquid in the first liquid outlet pipeline 3.2 flows to the valve rod 7, the gas in the gas bin 3.1 flows to the scheme, and the air in the gas bin 3.1 is mixed with the liquid in the valve rod 7 and is discharged from the second liquid outlet pipeline 1.1 through the net plug 4; when the head cap 1 is loosened, the air outlet 8 is closed, the air vent 5.1 is communicated, air is led into the air bin 3.1 through the air vent 5.1, the valve plate 13 is opened, the second connecting channel of the valve needle 12 is closed, and liquid flows into the first liquid outlet pipeline 3.2 but does not enter the inner cavity of the valve needle 12.
The same and similar parts of the embodiments in this specification are all referred to each other, and each embodiment focuses on the differences from the other embodiments.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. A foam pump comprising a body, characterized in that: the body comprises a pump body (3), a large ring (2) arranged at the upper end of the pump body (3) and a head cap (1) capable of vertically moving up and down relative to the large ring (2), a moving cavity (2.1) is arranged at the upper end of the large ring (2), the large ring (2) is inserted in the moving cavity (2.1), a large piston (5), a foam sheet (6) and a valve rod (7) are arranged in an inner cavity of a sealing connection part of the pump body (3) and the large ring (2), the foam sheet (6) is inserted and arranged at the lower end of the large piston (5), the lower end of the large piston (5) comprises a vent hole (5.1), the foam sheet (6) comprises a first blocking part (6.1) arranged at the outer edge and a second blocking part (6.2) arranged at the inner side, an air outlet (8) is arranged between the foam sheet (6) and the valve rod (7), the first blocking part (6.1) is arranged below the vent hole (5.1) and the air outlet (3.1) is blocked by the air outlet (3) and the air outlet (3.1), the head cap (1) comprises a second liquid outlet pipeline (1.1), the first liquid outlet pipeline (3.2) is connected with the second liquid outlet pipeline (1.1) after sequentially passing through the inner cavity of the valve rod (7) and the inner cavity of the large piston (5), when the head cap (1) is pressed, the vent hole (5.1) is closed, the air outlet (8) is communicated, and air in the air bin (3.1) is mixed with liquid in the valve rod (7) and is discharged through the second liquid outlet pipeline (1.1); when the head cap (1) is loosened, the air outlet (8) is closed, the air vent (5.1) is communicated, and air is led into the air bin (3.1) through the air vent (5.1).
2. A foam pump according to claim 1, wherein: the valve rod (7) is characterized in that a valve needle (12) is inserted into the lower end portion of the valve rod (7), the valve needle (12) is movably mounted in the first liquid outlet pipeline (3.2), the valve needle (12) comprises a first connecting pipeline (12.1) which is vertically arranged and a second connecting pipeline (12.2) which is horizontally arranged, the first connecting pipeline (12.1) is communicated with the second connecting pipeline (12.2), a small piston (11) is sleeved on the valve needle (12), the small piston (11) comprises a first sealing part (11.1) which is abutted against the wall surface of the valve needle (12) and a second sealing part (11.2) which is abutted against the inner wall surface of the first liquid outlet pipeline (3.2), and when the valve body is in a static state, the first sealing part (11.1) is positioned at the outlet of the second connecting pipeline (12.2) and seals the second connecting pipeline (12.2); when the head cap (1) is pressed, the second connecting pipeline (12.2) is separated from the first sealing part (11.1), and the second connecting pipeline (12.2) is conducted.
3. A foam pump according to claim 2, wherein: the lower end part of the valve needle (12) is provided with a mounting groove (12.3), and when the body is in a static state, the first closing part (11.1) is accommodated in the mounting groove (12.3).
4. A foam pump according to claim 3, wherein: the lower end of the air bin (3.1) is provided with a containing groove (3.1.1), a bullet sleeve (10) is arranged in the containing groove (3.1.1), and when the body is in a static state, the upper end face of the second sealing part (11.2) is propped against the lower end face of the bullet sleeve (10).
5. A foam pump as defined in claim 4, wherein: the upper end face of the elastic sleeve (10) is provided with an elastic piece (9), the elastic piece (9) is sleeved on the valve rod (7), the valve rod (7) comprises a protruding portion (7.1), and one end of the elastic piece (9) abuts against the lower end face of the protruding portion (7.1).
6. A foam pump as set forth in claim 5, wherein: the elastic piece (9) is tubular.
7. A foam pump as set forth in claim 5, wherein: the lower end face of the protruding portion (7.1) is provided with a first limiting portion (7.2), the upper end face of the elastic sleeve (10) is provided with a second limiting portion (10.1), and the first limiting portion (7.2) and the second limiting portion (10.1) are both arranged on the outer side of the elastic piece (9).
8. A foam pump according to claim 1, wherein: the lower end face of the large piston (5) is provided with a fixing groove (5.2), the upper end face of the foam sheet (6) is provided with a fixing plate (6.3), and the fixing plate (6.3) is inserted and installed in the fixing groove (5.2).
9. A foam pump according to claim 1, wherein: the large ring (2) comprises a threaded portion (2.2), the pump body (3) comprises a mounting portion (3.3) which is arranged on the upper end face and matched with the threaded portion (2.2), and the large ring (2) is in threaded connection with the pump body (3).
10. A foam pump according to claim 1, wherein: the whole body is made of plastic materials.
CN202322895054.6U 2023-10-27 2023-10-27 Foam pump Active CN220997537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322895054.6U CN220997537U (en) 2023-10-27 2023-10-27 Foam pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322895054.6U CN220997537U (en) 2023-10-27 2023-10-27 Foam pump

Publications (1)

Publication Number Publication Date
CN220997537U true CN220997537U (en) 2024-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322895054.6U Active CN220997537U (en) 2023-10-27 2023-10-27 Foam pump

Country Status (1)

Country Link
CN (1) CN220997537U (en)

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