CN219602037U - External plastic spring foam pump - Google Patents

External plastic spring foam pump Download PDF

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Publication number
CN219602037U
CN219602037U CN202223421945.XU CN202223421945U CN219602037U CN 219602037 U CN219602037 U CN 219602037U CN 202223421945 U CN202223421945 U CN 202223421945U CN 219602037 U CN219602037 U CN 219602037U
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CN
China
Prior art keywords
spring
pump body
valve rod
outer diameter
plastic
Prior art date
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Active
Application number
CN202223421945.XU
Other languages
Chinese (zh)
Inventor
黄建艺
黄颖锋
黄幸颖
沈杨彬
罗登军
沈岳忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Z&Z Industrial Co Ltd
Original Assignee
Zhejiang Z&Z Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Z&Z Industrial Co Ltd filed Critical Zhejiang Z&Z Industrial Co Ltd
Priority to CN202223421945.XU priority Critical patent/CN219602037U/en
Application granted granted Critical
Publication of CN219602037U publication Critical patent/CN219602037U/en
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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
    • B05B11/1087—Combination of liquid and air pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—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
    • B05B11/1066—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
    • B05B11/1074—Springs located outside pump chambers
    • 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

Landscapes

  • Springs (AREA)

Abstract

The utility model relates to an external plastic spring foam pump, which aims at the technical problems that the assembly and production of plastic springs of the existing similar products are inconvenient, and the stability of two ends of the plastic springs in a pump body is poor. The foam pump is characterized in that a limit rib is arranged on the outer diameter of a valve rod below a large piston in a pump body of the foam pump, a spring pad is arranged on the outer diameter of the valve rod at the buckling and fixing position of a valve needle and a small piston, two ends of a plastic spring respectively prop against between the spring pad and the limit rib of the valve rod, an inner table ring is arranged on the inner side of the bottom of a large cavity of the pump body at the spring pad in an upward protruding mode, and the spring pad props against the inner table ring of the pump body through the plastic spring; the top of the spring cushion is provided with a spring groove, the annular plane of the spring groove is provided with first exhaust grooves which are communicated with the central hole and distributed at equal intervals, the central hole at the bottom of the spring cushion is downwards protruded and inserted into a small cavity of the pump body, an orifice at the bottom of the plastic spring is propped against the spring groove of the spring cushion, the annular plane at the orifice at the top of the plastic spring is provided with guide blocks which are distributed at equal intervals and protruded, and the periphery of the annular plane is provided with second exhaust grooves.

Description

External plastic spring foam pump
Technical Field
The utility model relates to a foam pump, in particular to an external plastic spring foam pump.
Background
The foam pump is a cosmetic or daily product in which foam is discharged from a container by pressing a head cap, and is generally classified into an industrial foam pump, a fire-fighting foam pump, and a micro-foam pump according to its use and size. The working principle of the micro foam pump is that liquid is sprayed out at high speed to form a certain negative pressure around the liquid column, and the negative pressure generates suction gas to enter the mixing part, so that air and the liquid are mixed again and quickly pass through the silk screen to form foam. However, at present, the steel wire springs with the materials of S316, 304H and the like are basically used for carrying out the normal up-down rebound effect of the products, however, the limitations of the products of the steel wire springs in subsequent recovery and utilization are too large, and the problems of environmental protection, difficult degradation and the like exist. For this reason, some emulsion pumps adopt a corrugated pipe-shaped external plastic spring structure, such as application number 202210094789.6 disclosed in Chinese patent literature, application publication date 2022.04.29, and the utility model name of the full plastic structure oil pump; further, as disclosed in chinese patent document, application No. 202110305663.4, application publication date 2021.06.29, the utility model name "pressing pump with plastic spring"; other foam pumps adopt a corrugated external plastic spring structure, such as application number 202111428529.X disclosed in Chinese patent literature, application publication date 2022.02.18, and the utility model name is pump body structure and foam pump; further, as disclosed in Chinese patent document, application No. 202111029824.8, application publication date 2021.12.03, entitled "all plastic foam Pump"; however, the plastic springs of the above products and similar products are inconvenient to assemble and produce, and have poor stability, especially the stability of the two ends of the plastic springs in the pump body.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide the external plastic spring foam pump in the field, so that the technical problems of inconvenient assembly and production of plastic springs of the existing similar products, poor stability, and especially poor stability of two ends of the plastic springs in the pump body are solved. The aim is achieved by the following technical scheme.
A duckbill is arranged at the protruding extension of a central hole at one end of a large piston in a pump body of the foam pump, a corrugated plastic spring is arranged below the bottom of the other end of the large piston in the pump body, the plastic spring is arranged on the outer diameter of a valve rod in the pump body, one end of a valve needle extending out of the bottom of the valve rod in the valve rod is buckled and fixed with the small piston, a lower diversion channel is arranged between the inner diameter of the small piston at the fixed position and the outer diameter of the valve needle, the outer diameter of the small piston is propped against and sealed in a small cavity protruding at the bottom of the pump body, the outer diameter of the large piston is propped against and sealed in a large cavity above the small cavity in the pump body, the large cavity of the pump body is communicated with the small cavity, a through hole is arranged on one side of the pump body at the large piston, an elastic sleeve or a ball is arranged at the bottom of the small cavity in the pump body, the other end of the valve needle is conical and sleeved and limited in the valve rod, an upper diversion channel is arranged between the outer diameter of the valve needle at the sleeve position and the inner diameter of the valve rod, at least one end of a filter plug in the duckbill is provided with a silk screen, and the outer diameter of the pump opening of the pump body is provided with a large ring. The valve rod outer diameter of the valve rod below the large piston in the pump body is provided with a limit rib, the outer diameter of the valve rod at the fastening and fixing position of the valve needle and the small piston is provided with a spring pad, two ends of the plastic spring respectively prop against between the spring pad and the limit rib of the valve rod, the inner side of the bottom of the large cavity of the pump body at the spring pad is provided with an inner table ring in an upward protruding mode, and the spring pad props against the inner table ring of the pump body through the plastic spring. According to the structural characteristics, the plastic spring can also adopt a spiral plastic spring.
The top of the spring cushion is provided with a spring groove, the annular plane of the spring groove is provided with first exhaust grooves which are communicated with the central hole and distributed at equal intervals, the central hole at the bottom of the spring cushion is downwards protruded and inserted into a small cavity of the pump body, an orifice at the bottom of the plastic spring is propped against the spring groove of the spring cushion, the annular plane at the orifice at the top of the plastic spring is provided with guide blocks which are distributed at equal intervals and protruded, and the periphery of the annular plane is provided with second exhaust grooves.
The hole opening at the bottom center hole of the spring pad is propped against the small piston, and a movable gap is arranged among the small piston, the spring pad and the valve rod. The structure can also adopt the rod buckle of the valve rod to prop against the small piston, and the bottom center hole of the spring cushion is sleeved on the outer diameter of the valve rod.
The orifice of the bottom of the plastic spring is outwards opened in a belled shape, and the outer diameter of the lower part of the annular surface of the top of the plastic spring is outwards opened in a belled shape. The plastic spring is provided with the two ends provided with the closing-in type holes according to the actual situation and the length requirement.
The limit rib of valve rod is cross outwards protruding, and the top is equipped with the bi-directional valve in the big piston of limit rib top of valve rod, and the bi-directional valve lock is fixed in the big piston, and the external diameter and the internal diameter of bi-directional valve bottom are equipped with sealing diaphragm respectively. The pump mouth of the pump body can omit the inner plug.
The circular shrapnel at the center of the bulge in the elastic sleeve is propped against the suction pipe hole of the pump body, the outer ring opening of the bulge in the outer diameter of the plastic spring is buckled and fixed on the elastic sleeve groove at the suction pipe hole of the pump body, and an integrated hollow hole and an elastic strip are arranged between the circular shrapnel and the outer ring opening of the elastic sleeve.
The utility model has reasonable structural design, convenient production and assembly, simple integral recycling and utilization, and particularly good tightness, stability and air permeability of the plastic spring structure; the plastic spring foam pump is suitable for being used as an external plastic spring foam pump and improvement of similar products.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model, with the outlined portions being schematic of the structure of the small piston and the spring sleeve.
Fig. 2 is an enlarged schematic view of the small piston of fig. 1.
FIG. 3 is a schematic view of the partially exploded construction of FIG. 1, with the outlined parts being a schematic view of the bottom construction of the plastic spring.
The following drawing numbers and names: 1. straw, 2, pump body, 3, bullet cover, 4, little piston, 5, spring pad, 501, spring groove, 502, first exhaust groove, 6, plastic spring, 601, guide block, 602, second exhaust groove, 7, big circle, 8, valve rod, 801, spacing muscle, 9, valve needle, 10, bi-directional valve, 11, gasket, 12, big piston, 13, first silk screen, 14, filter plug, 15, second silk screen, 16, duckbill, 17, dustcoat.
Description of the embodiments
The technical features and uses of the present utility model are further described with reference to the accompanying drawings. As shown in fig. 1-3, a duckbill 16 is protruded and arranged at a central hole of one end of a large piston 12 in a pump body 2 of the foam pump, a corrugated plastic spring 6 is arranged below the bottom of the other end of the large piston in the pump body, the plastic spring is arranged at the outer diameter of a valve rod 8 in the pump body, one end of a valve needle 9 extending out of the bottom of the valve rod in the valve rod is buckled and fixed with a small piston 4, a lower diversion channel is arranged between the inner diameter of the small piston at the fixed position and the outer diameter of the valve needle, the outer diameter of the small piston is abutted and sealed with a small cavity of the bottom of the pump body, the outer diameter of the large piston is abutted and sealed with a large cavity above the small cavity in the pump body, the large cavity of the pump body is communicated with the small cavity, a through hole is formed in one side of the pump body at the large piston, an elastic sleeve 3 or a ball bead is arranged at the bottom of the small cavity in the pump body, the other end of the valve needle is conical and sleeved in the valve rod, an upper diversion channel is arranged between the outer diameter of the valve needle at the sleeved position and the inner diameter of the valve rod, two ends of a filter plug 14 in the duckbill are respectively provided with a first wire mesh 13 and a second wire mesh 15, a large ring 7 is arranged at the outer diameter of the pump mouth of the pump body, a gasket 11 is arranged in the top of the large ring is arranged at the pump opening of the pump body, and the outer side of the large ring is arranged, and the outer side of the head cap is communicated with an annular groove 17 is arranged. The limit rib 801 of the valve rod protrudes outwards in a cross shape, a two-way valve 10 is arranged at the inner top of the large piston above the limit rib of the valve rod, and sealing diaphragms are respectively arranged at the outer diameter and the inner diameter of the bottom of the two-way valve while the two-way valve is buckled and fixed on the large piston. The circular shrapnel at the center of the bulge in the elastic sleeve is propped against the suction pipe hole of the pump body, the outer ring opening of the upward bulge of the outer diameter of the plastic spring is buckled and fixed on the elastic sleeve groove at the suction pipe hole of the pump body, and an integrally formed hollowed hole and an elastic strip are arranged between the circular shrapnel and the outer ring opening of the elastic sleeve.
The specific structure of the plastic spring is as follows: the plastic spring is the bellows shape, and the valve rod external diameter of big piston below is equipped with spacing muscle 801 in the pump body, and the external diameter of valve rod is equipped with spring pad 5 in valve needle and little piston lock fixed part valve rod, and plastic spring both ends are offset respectively between spring pad and the spacing muscle of valve rod, and the big cavity bottom inboard of spring pad department pump body is upwards protruding to be equipped with interior platform ring, and the spring pad is through the interior platform ring of plastic spring offset in the pump body. The top of the spring pad is provided with a spring groove 501, the annular plane of the spring groove is provided with first exhaust grooves 502 which are communicated with the central hole and distributed at equal intervals, the central hole at the bottom of the spring pad is downwards protruded and inserted into a small cavity of the pump body, an orifice at the bottom of the plastic spring is propped against the inside of the spring groove of the spring pad, the annular plane at the orifice at the top of the plastic spring is provided with guide blocks 601 distributed at equal intervals and protruded, and second exhaust grooves 602 are arranged around. The hole opening at the bottom center hole of the spring pad is propped against the small piston, and a movable gap is arranged among the small piston, the spring pad and the valve rod. The orifice at the bottom of the plastic spring is outwards opened in a horn shape, and the outer diameter of the plastic spring below the annular surface is outwards opened in a horn shape.
When the external plastic spring foam pump is used, the outer cover is opened, the head cap is pressed, and liquid in the bottle body can be sprayed out in a foam mode through the external plastic spring foam pump.
The external plastic spring foam pump is mainly technically characterized by comprising the following components: 1. the conventional steel wire spring of the existing product is canceled, and all functions of the foam pump are realized by using a spring structure of all plastics. 2. The plastic spring is arranged in the spring groove of the spring pad and sleeved outside the outer wall of the valve rod, and is not in contact with liquid at the inner wall of the pump body, so that the pollution of the liquid caused by the contact of the plastic spring and the liquid is prevented. 3. The outer edge of the top of the small jumping piston is positioned in the inner wall of the valve rod to be matched and sealed, so that liquid is prevented from flowing back, and the appearance and the functions are influenced; meanwhile, the sealing ribs at the bottom of the small piston are positioned in the inner wall of the pump body to be matched and sealed, so that liquid leakage is prevented, and appearance and functions are affected. 4. The common glass ball of the existing product is canceled, the function is realized by matching the elastic sleeve with a new pump body sealing structure, the elastic sleeve is buckled at the elastic sleeve groove of the pump body, and the bottom plane of the elastic sleeve is matched and sealed with the plane of the elastic sleeve groove of the pump body.

Claims (6)

1. A duckbill (16) is arranged at the position of a central hole at one end of a large piston (12) in a pump body (2) of the foam pump in a protruding mode, a corrugated pipe-shaped plastic spring (6) is arranged below the bottom of the other end of the large piston in the pump body, the plastic spring is arranged on the outer diameter of a valve rod (8) in the pump body, one end of a valve needle (9) extending out of the bottom of the valve rod in the valve rod is buckled and fixed with the small piston (4), a lower diversion channel is arranged between the inner diameter of the small piston at the fixed position and the outer diameter of the valve needle, the outer diameter of the small piston abuts against and seals a small cavity protruding in the pump body, the outer diameter of the large piston abuts against and seals a large cavity above the small cavity in the pump body, the large cavity of the pump body is communicated with the small cavity, a through hole is formed in one side of the pump body at the large piston, a spring sleeve (3) or a ball is arranged at the bottom of the small cavity in the pump body, the other end of the valve needle is conical and sleeved into the valve rod, an upper diversion channel is arranged between the outer diameter of the valve needle (14) at least one end of the valve needle in the duckbill and the valve rod, and the outer diameter of the pump body is provided with a large ring (7); the valve is characterized in that a limit rib (801) is arranged on the outer diameter of a valve rod (8) below a large piston (12) in the pump body (2), a spring pad (5) is arranged on the outer diameter of the valve rod at the fastening fixing position of the valve needle (9) and a small piston (4), two ends of a plastic spring (6) respectively prop against between the spring pad and the limit rib of the valve rod, an inner table ring is arranged on the inner side of the bottom of a large cavity of the pump body at the spring pad in an upward protruding mode, and the spring pad props against the inner table ring of the pump body through the plastic spring.
2. The external plastic spring foam pump according to claim 1, characterized in that the top of the spring pad (5) is provided with a spring groove (501), the annular plane of the spring groove is provided with first exhaust grooves (502) communicated with the central hole and distributed at equal intervals, the central hole at the bottom of the spring pad protrudes downwards and is inserted into a small cavity of the pump body (2), an orifice at the bottom of the plastic spring (6) is propped against the spring groove of the spring pad, the annular plane at the orifice of the top of the plastic spring is provided with guide blocks (601) distributed at equal intervals and protruding, and the periphery of the annular plane is provided with second exhaust grooves (602).
3. The external plastic spring foam pump according to claim 1, characterized in that the orifice at the bottom center hole of the spring pad (5) is against the small piston (4), where a clearance is provided between the small piston, the spring pad, the valve rod (8).
4. The external plastic spring foam pump according to claim 1, characterized in that the orifice at the bottom of the plastic spring (6) is flared in a bellow shape, and the outside diameter below the annular surface at the top of the plastic spring is flared in a bellow shape.
5. The external plastic spring foam pump of claim 1, wherein the limit rib (801) of the valve rod (8) protrudes outwards in a cross shape, a two-way valve (10) is arranged at the inner top of the large piston (12) above the limit rib of the valve rod, and sealing diaphragms are respectively arranged at the outer diameter and the inner diameter of the bottom of the two-way valve while the two-way valve is buckled and fixed on the large piston.
6. The external plastic spring foam pump according to claim 1, characterized in that a round elastic sheet at the center of the bulge in the elastic sleeve (3) is propped against a suction pipe hole of the pump body (2), an outer ring opening of the upward bulge of the outer diameter of the plastic spring is buckled and fixed in an elastic sleeve groove at the suction pipe hole of the pump body, and an integrally formed hollowed hole and an elastic strip are arranged between the round elastic sheet and the outer ring opening of the elastic sleeve.
CN202223421945.XU 2022-12-19 2022-12-19 External plastic spring foam pump Active CN219602037U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223421945.XU CN219602037U (en) 2022-12-19 2022-12-19 External plastic spring foam pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223421945.XU CN219602037U (en) 2022-12-19 2022-12-19 External plastic spring foam pump

Publications (1)

Publication Number Publication Date
CN219602037U true CN219602037U (en) 2023-08-29

Family

ID=87748591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223421945.XU Active CN219602037U (en) 2022-12-19 2022-12-19 External plastic spring foam pump

Country Status (1)

Country Link
CN (1) CN219602037U (en)

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