WO2022052312A1 - 一种环保型泡沫泵泵芯 - Google Patents

一种环保型泡沫泵泵芯 Download PDF

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Publication number
WO2022052312A1
WO2022052312A1 PCT/CN2020/130526 CN2020130526W WO2022052312A1 WO 2022052312 A1 WO2022052312 A1 WO 2022052312A1 CN 2020130526 W CN2020130526 W CN 2020130526W WO 2022052312 A1 WO2022052312 A1 WO 2022052312A1
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WIPO (PCT)
Prior art keywords
piston cylinder
air
suction plug
air suction
main column
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PCT/CN2020/130526
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English (en)
French (fr)
Inventor
梁配辉
朱茂勇
张永雷
梁金考
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中山市美捷时包装制品有限公司
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Publication of WO2022052312A1 publication Critical patent/WO2022052312A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—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
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1087—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
    • B05B11/1042—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

Definitions

  • the invention relates to an environment-friendly foam pump core.
  • foam pumps on the market use a built-in spring structure, and the spring directly contacts the emulsion, which is not environmentally friendly enough.
  • the foam pump is generally an integral structure, that is, the pump core, the lock bottle cap and the pressing head are assembled and fixed, and the use is not flexible enough.
  • the present invention has been made based on this situation.
  • the purpose of the present invention is to overcome the deficiencies of the prior art and provide an environment-friendly foam pump core with simple structure, independent transport and storage, and flexible use.
  • An environmentally friendly foam pump pump core including a pump body, the pump body includes a large piston cylinder and a small piston cylinder arranged up and down, the large piston cylinder is provided with an air extrusion device capable of pumping air, and the small piston cylinder is provided.
  • the piston cylinder is provided with a liquid extruding device capable of pumping liquid, and the air extruding device includes an air suction plug arranged in the large piston cylinder.
  • the liquid extrusion device includes a main column arranged in the small piston cylinder and a main column connected to the lower end of the main column
  • the liquid suction plug, the upper end of the main column protrudes out of the large piston cylinder and is connected with the air suction plug, and when the air suction plug moves downwards, it moves down together with the air suction plug.
  • the top of the liquid suction plug is sleeved with an elastic member that can push up the main column together with the air suction plug, and a glass bead is provided at the lower end inlet of the small piston cylinder.
  • the air suction plug is provided with a clamping cavity, a mixing cavity is provided above the clamping cavity, a spray port is provided on the top of the mixing cavity, and the clamping cavity is A plurality of clamping columns for clamping the main column are arranged at intervals around the circumference, and the mixing chamber is provided with a blocking bar that blocks the main column from above so as to locate the main column.
  • the inner wall of the clamping cavity, adjacent two An air channel for the air in the large piston cylinder to flow to the mixing chamber is formed between the clamping column and the outer wall of the main column, and the air channels are multiple and surround the outer side of the main column.
  • the air suction plug is provided with an inserting portion for inserting into the pressing head, and the side surface of the inserting portion is provided with an outward protrusion and is used for snapping with the pressing head.
  • the convex ring is provided with an inserting portion for inserting into the pressing head, and the side surface of the inserting portion is provided with an outward protrusion and is used for snapping with the pressing head.
  • the air suction plug is provided with an air supply hole, and the air suction plug is connected with a one-way valve for supplying air to enter the large piston cylinder from the outside through the air supply hole,
  • the air suction plug is provided with an annular fixing groove on the inner side of the air supply hole,
  • the one-way valve includes an annular valve column installed in the fixing groove, and the lower end of the valve column is provided with a concave surface facing upward around the outer side of the valve column. And it can elastically press the arc-shaped outer blade on the air suction plug to block the air supply hole.
  • an environmentally friendly foam pump core is provided with an annular platform protruding outwardly on the outer side of the main column, and a side plate slightly lower than the annular platform is arranged on the outer side of the annular platform.
  • the plate is supported from the bottom on the bottom surface of the valve column, the lower end of the valve column is provided with an arc-shaped inner blade with a concave surface facing downward and can elastically press on the annular table to block the air passage on the lower end of the valve column.
  • a plurality of air flow openings which are recessed in the radial direction and allow the air below the side plate to enter the space formed by the side plate and the inner blade are arranged at intervals in the circumferential direction.
  • the upper end of the small piston cylinder is provided with a stepped hole, and the stepped hole is provided with an inwardly protruding annular inner protrusion.
  • the elastic member is a metal spring, and a spring seat for pressing the lower end of the elastic member is fixed between the large piston cylinder and the small piston cylinder.
  • the elastic member is a plastic spring
  • the upper end of the plastic spring is provided with a top ring for pressing against the side plate
  • the lower end is provided with a bottom ring for inserting into the stepped hole and interfering with the inner convexity.
  • the upper end is provided with a pressure ring that protrudes outward and presses down on the outer edge of the upper port of the stepped hole
  • the inner side of the bottom ring is provided with a limit ring that extends into the small piston cylinder and is used to limit the rising height of the liquid suction plug .
  • the plastic spring is a plastic spring tube whose upper and lower ends are open and the sides are sealed into one body.
  • the upper end of the pump body is provided with a plug portion for plugging and fixing with the lock bottle cap.
  • the insertion part is provided with an accommodating groove for accommodating the network communication, and the ejection port communicates with the accommodating groove and the mixing cavity.
  • the present invention has the following advantages:
  • the present invention has a simple structure and is convenient to manufacture.
  • the air suction plug is limited in the large piston cylinder, so as to prevent the air suction plug from coming out of the large piston cylinder when vibrating, so as to squeeze the air out of the device and the large piston cylinder.
  • the liquid extrusion device is fixed between the air suction plug and the pump body, so that the environmentally friendly foam pump core can be transported, stored and sold independently, so that during the assembly and production process of the foam pump, it can be matched with different locking caps and Use by head to increase production flexibility.
  • the outer side of the lower end of the annular valve column is provided with an arc-shaped outer blade with a concave surface facing upward and can elastically press on the air suction plug to block the air supply hole, so as to form a space between the air suction plug and the large piston cylinder for the air to enter the air suction plug from the outside.
  • the one-way valve structure in the space between the two, the outer blade adopts thin-walled design, the structure is simple, and the fit and sealing performance is good.
  • an annular platform is arranged on the outer side of the main column, and an arc-shaped concave surface is arranged around the inner side of the lower end of the valve column and can be elastically pressed on the annular platform to block the air passage.
  • the inner vane adopts a thin-walled design to form a one-way valve structure for the air to flow out from the space between the air suction plug and the large piston cylinder to the mixing chamber. When the negative pressure is formed in the space, the air-liquid mixture above the mixing chamber is sucked into the large piston cylinder.
  • the pop-up structure can use plastic springs or metal springs to meet various needs of users.
  • the plastic spring is a plastic spring tube whose upper and lower ends are open and the sides are sealed as a whole. It is a spiral integral injection molding.
  • the plastic spring is a left-handed or right-handed structure, with a simple structure, convenient production and good elasticity.
  • Fig. 1 is the sectional view of a kind of environment-friendly foam pump core of the present invention
  • Fig. 2 is the structural representation after the combination of pump body and main column
  • Fig. 3 is the bottom view after the pump body and the main column are combined;
  • Fig. 4 is the structural representation of air suction plug
  • FIG. 5 is a cross-sectional view of an embodiment in which a pump core using a metal spring is applied to an environmentally friendly foam pump;
  • FIG. 6 is a cross-sectional view of another embodiment in which a pump core using a plastic spring is applied to an environmentally friendly foam pump;
  • FIG. 7 is a schematic view of the structure of the plastic spring.
  • an environmentally friendly foam pump pump core includes a pump body 1, and the pump body 1 includes a large piston cylinder 11 and a small piston cylinder 12 arranged up and down.
  • the small piston cylinder 12 is provided with a liquid extrusion device capable of pumping liquid
  • the air extrusion device includes an air suction plug 2 arranged in the large piston cylinder 11,
  • the air suction plug 2 is provided with a piston ring 21 which is matched with the inner wall of the large piston cylinder 11
  • the upper part of the large piston cylinder 11 is provided with a snap ring 13 which protrudes inwardly and restricts the piston ring 21 to come out upward.
  • the liquid extrusion device includes a main column 3 arranged in the small piston cylinder 12 and a liquid suction plug 4 connected to the lower end of the main column 3.
  • the upper end of the main column 3 protrudes in the large piston cylinder 11 and is connected to the air
  • the suction plug 2 is connected and moves downward along with the air suction plug 2 when the air suction plug 2 moves downward.
  • the main column 3 is outside and located above the liquid suction plug 4 with a sleeve that can connect the main column 3 together with the air suction plug 2.
  • the elastic member 5 that is lifted up is pressed upward together, and the glass bead 6 is provided at the entrance of the lower end of the small piston cylinder 12, which has a simple structure and is convenient to manufacture.
  • the air suction plug 2 is restricted in the large piston cylinder 11, so as to prevent the air suction plug 2 from coming out of the large piston cylinder 11 when vibrating, so that the air extrusion device and the liquid extrusion device are separated. It is fixed between the air suction plug 2 and the pump body 1, so that the environmentally friendly foam pump core can be transported, stored and sold independently, so that during the assembly and production process of the foam pump, it can be matched with different locking caps 10 and pressing. Head 9 is used to increase production flexibility.
  • the air suction plug 2 is provided with a clamping cavity 22 , a mixing cavity 23 is provided above the clamping cavity 22 , and a spray port 24 is provided on the top of the mixing cavity 23 .
  • 22 is provided with a plurality of clamping posts 25 for clamping the main post 3 at intervals in the circumferential direction
  • the mixing chamber 23 is provided with a blocking bar 26 which blocks the main post 3 from above to position the main post 3.
  • An air channel 27 for the air in the large piston cylinder 11 to flow to the mixing chamber 23 is formed between the inner wall of the connecting chamber 22, the two adjacent clamping columns 25 and the outer wall of the main column 3.
  • the gas is divided into a plurality of air passages 27 to surround the liquid flow, and after being pressurized and diffused, no vortex is generated, and the structure is simple.
  • the air suction plug 2 is provided with an insertion part 28 for inserting into the pressing head 9, and the side of the insertion part 28 is provided with an outward
  • the convex ring 281 that protrudes and is used for clamping with the pressing head 9 has a simple structure and is easy to assemble.
  • the air suction plug 2 is provided with an air supply hole 29 , and the air suction plug 2 is connected with a single unit for supplying air to enter the large piston cylinder 11 from the outside through the air supply hole 29
  • an annular fixing groove 210 is provided on the air suction plug 2 and located inside the air supply hole 29.
  • the one-way valve 7 includes an annular valve column 71 installed in the fixing groove 210.
  • the valve column 71 The lower end is provided with an arc-shaped outer blade 72 with a concave surface facing upward and elastically pressing on the air suction plug 2 to block the air supply hole 29 around its outer side, forming a space between the air suction plug 2 and the large piston cylinder 11 for air entering from the outside.
  • the one-way valve structure in the space between the two has simple structure and good sealing performance.
  • the outer side of the main column 3 is provided with an annular platform 32 protruding outward, the outer side of the annular platform 32 is provided with a side plate 31 that is slightly lower than the annular platform 32, and the side plate 31 is supported from the bottom on the valve column.
  • the lower end of the valve column 71 is provided with an arc-shaped inner blade 73 with a concave surface facing downward and elastically pressing against the annular table 32 to block the air passage 27 on the lower end of the valve column 71.
  • the plate 31 is provided with a plurality of air circulation ports 33 radially inwardly recessed and allowing the air below the side plate 31 to enter the space formed by the side plate 31 and the inner vanes 73 at intervals along its circumference.
  • the inner vane 73 is pressed on the annular table 32 to form a one-way valve structure for the air to pass from bottom to top.
  • the structure is simple and can avoid the mixing chamber 23 and the mixing chamber 23 and the space between the large piston cylinder 11 form a negative pressure when the negative pressure is formed. The above air-liquid mixture is sucked into the large piston cylinder 11 .
  • the elastic member 5 is a metal spring, and the upper end of the small piston cylinder 12 is provided with a stepped hole 14.
  • a spring seat 8 for pressing the lower end of the elastic member 5 is fixed between the large piston cylinder 11 and the small piston cylinder 12, and the outer side of the spring seat 8 is provided with
  • the lower end of the spring seat 8 is provided with a small piston cylinder 12 extending into the small piston cylinder 12 and used to limit the rising height of the liquid suction plug 4, which has a simple structure and is easy to assemble.
  • the elastic member 5 is a plastic spring, which is environmentally safe and easy to recycle.
  • the upper end of the small piston cylinder 12 is provided with a stepped hole 14, the stepped hole 14 is provided with an inwardly protruding annular inner protrusion 15, and the upper end of the plastic spring is provided with a top ring for pressing against the side plate 31.
  • the lower end is provided with a bottom ring 52 for inserting into the stepped hole 14 and interfering with the inner protrusion 15
  • the upper end of the bottom ring 52 is provided with a bottom ring 52 that protrudes outward and presses down on the outer edge of the upper port of the stepped hole 14
  • the inner side of the bottom ring 52 is provided with a limit ring 54 that extends into the small piston cylinder 12 and is used to limit the rising height of the liquid suction plug 4.
  • the plastic spring is a plastic spring tube whose upper and lower ends are open and the sides are sealed into one body.
  • the upper end of the pump body 1 is provided with a plug portion 15 for being inserted and fixed with the bottle lock cap 10 .
  • the insertion portion 28 is provided with an accommodating groove 282 for accommodating the Netcom 100 , and the ejection port 24 communicates with the accommodating groove 282 and the mixing chamber 23 .
  • the locking bottle cap 10 is installed and connected through the plug-in portion 15 , and then inserted into the pressing head 9 through the inserting portion 28 to connect the pressing head 9 .
  • press the pressing head 9 press the air suction plug 2 together with the main column 3 and the liquid suction plug 4 through the pressing head 9, and pump the air in the large piston cylinder 11 through the air suction plug 2, that is, The air in the closed space between the large piston cylinder 11 and the air suction plug 2 is compressed, and the air flows out through the inner blade 73; at the same time, after the main column 3 moves down a certain distance, the communication channel between the main column 3 and the small piston cylinder 12 is opened.
  • the air suction plug 2 and the large piston cylinder The closed space between 11 and 11 forms a negative pressure, the one-way valve structure corresponding to the inner blade 73 is closed, and the one-way valve structure corresponding to the outer blade 72 is opened, and the air is replenished from the air supply hole 29 inward; at the same time, the main column 3 moves up a section After the distance, the communication channel between the main column 3 and the small piston cylinder 12 is closed, and the liquid suction plug 4 is driven to move upward, so that a negative pressure is formed in the small piston cylinder 12, so that the solution in the bottle is under the action of atmospheric pressure. Flow into the small piston cylinder 12 .

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

Abstract

一种环保型泡沫泵泵芯，包括泵体（1），泵体（1）包括大活塞缸（11）和小活塞缸（12），大活塞缸（11）内设有空气挤出装置，小活塞缸（12）内设有液体挤出装置，空气挤出装置包括设在大活塞缸（11）内的空气吸塞（2），空气吸塞（2）上设有活塞环（21），大活塞缸（11）的上部设有卡扣环（13），液体挤出装置包括设于小活塞缸（12）内的主柱（3）和连接在主柱（3）下端的液体吸塞（4），主柱（3）的上端伸出在大活塞缸（11）中并与空气吸塞（2）连接，主柱（3）外侧并位于液体吸塞（4）上方套设有能将主柱（3）连同空气吸塞（2）一起往上顶压升起的弹性件（5），小活塞缸（12）的下端入口处设有玻珠（6）。通过卡扣环（13）和活塞环（21）相配合，将空气吸塞（2）限制在大活塞缸（11）内，则该泵芯结构能够独立的运输、储存和销售，能够配合不同的锁瓶盖（10）和按头（9）使用，增加生产的灵活性。

Description

一种环保型泡沫泵泵芯 【技术领域】
本发明涉及一种环保型泡沫泵泵芯。
【背景技术】
目前市场上很多泡沫泵都是采用内置弹簧的结构，弹簧直接接触乳液，不够环保。而且泡沫泵一般都是整体结构，即泵芯、锁瓶盖和按头是组装固定的，使用不够灵活。
本发明就是基于这种情况作出的。
【发明内容】
本发明目的是克服了现有技术的不足，提供一种结构简单、能独立运输和储存、使用灵活的环保型泡沫泵泵芯。
本发明是通过以下技术方案实现的：
一种环保型泡沫泵泵芯，包括泵体，所述泵体包括上下设置的大活塞缸和小活塞缸，所述大活塞缸内设有能泵送空气的空气挤出装置，所述小活塞缸内设有能泵送液体的液体挤出装置，所述空气挤出装置包括设在大活塞缸内的空气吸塞，所述空气吸塞上设有与大活塞缸的内壁相配合的活塞环，所述大活塞缸的上部设有向内凸出并限制活塞环往上脱出的卡扣环，所述液体挤出装置包括设于小活塞缸内的主柱和连接在主柱下端的液体吸塞，所述主柱的上端伸出在大活塞缸中并与空气吸塞连接，且在空气吸塞向下活动时跟随空气吸塞一起向 下活动，所述主柱外侧并位于液体吸塞上方套设有能将主柱连同空气吸塞一起往上顶压升起的弹性件，所述小活塞缸的下端入口处设有玻珠。
如上所述的一种环保型泡沫泵泵芯，所述空气吸塞上设有卡接腔，所述卡接腔上方设有混合腔，所述混合腔的顶部设有喷出口，所述卡接腔内绕周向间隔设置有多个用于卡紧主柱的卡柱，所述混合腔内设有从上将主柱挡住从而定位主柱的挡条，所述卡接腔的内壁、相邻两个卡柱和主柱的外壁之间形成供大活塞缸内的空气流向混合腔的空气通道，所述空气通道有多个并围绕在主柱的外侧。
如上所述的一种环保型泡沫泵泵芯，所述空气吸塞上设有用于插入按头中的插入部，所述插入部的侧面上设有向外凸出并用于与按头卡接的凸环。
如上所述的一种环保型泡沫泵泵芯，所述空气吸塞上设有补气孔，所述空气吸塞内上连接有供空气从外侧经补气孔进入大活塞缸中的单向阀，所述空气吸塞上并位于补气孔的内侧设有环形的固定槽，所述单向阀包括安装在固定槽中的环形阀柱，所述阀柱的下端上环绕其外侧设有凹面朝上并能弹性顶压在空气吸塞上将补气孔挡住的弧形外叶片。
如上所述的一种环保型泡沫泵泵芯，所述主柱的外侧上设有向外凸出的环形台，所述环形台的外侧设有比环形台略低的侧板，所述侧板从下支撑在阀柱底面上，所述阀柱的下端上环绕其内侧设有凹面朝下并能弹性顶压在环形台上将空气通道阻断的弧形内叶片，所述侧板 沿其周向间隔设置有多个沿径向内凹并供侧板下方的空气进入侧板和内叶片形成的空间中的空气流通口。
如上所述的一种环保型泡沫泵泵芯，所述小活塞缸的上端设有阶梯孔，所述阶梯孔中设有向内凸出的环形内凸。所述弹性件为金属弹簧，所述大活塞缸和小活塞缸之间固定有供弹性件的下端顶压的弹簧座，所述弹簧座的外侧上设有向外凸出的并卡在内凸下方的外凸，所述弹簧座的上部伸出在大活塞缸中并在侧板向下运动一端距离时从下挡住侧板，所述弹簧座的下端设有伸入在小活塞缸中并用于限定液体吸塞的上升高度。或者所述弹性件为塑料弹簧，所述塑料弹簧上端设有用于顶压在侧板上的顶环，下端设有用于插入阶梯孔中并与内凸干涉配合的底环，所述底环的上端设有向外凸出并往下压在阶梯孔上端口的外边缘上的压环，所述底环内侧设有伸入小活塞缸中并用于限定液体吸塞的上升高度的限位环。所述塑料弹簧为上下端开口而侧面密封成一体的塑料弹簧管，其为螺旋式一体注塑成型，所述塑料弹簧为左旋结构或右旋结构。
如上所述的一种环保型泡沫泵泵芯，所述泵体上端设有用于与锁瓶盖插接固定的插接部。
如上所述的一种环保型泡沫泵泵芯，所述插入部上设有用于容置网通的容置槽，所述喷出口连通容置槽和混合腔。
与现有技术相比，本发明有如下优点：
1、本发明结构简单，制造方便，通过卡扣环和活塞环相配合，将空气吸塞限制在大活塞缸内，避免空气吸塞在振动时脱出大活塞 缸，从而将空气挤出装置和液体挤出装置固定在空气吸塞和泵体之间，使得该环保型泡沫泵泵芯能够独立的运输、储存和销售，以便在泡沫泵的组装生产过程中，能够配合不同的锁瓶盖和按头使用，增加生产的灵活性。
2、本发明通过环绕环形阀柱的下端外侧设置凹面朝上并能弹性顶压在空气吸塞上将补气孔挡住的弧形外叶片，形成供空气从外侧进入空气吸塞和大活塞缸之间的空间内的单向阀门结构，外叶片采用薄壁设计，结构简单，贴合密封性好。
3、本发明通过在所述主柱的外侧上设置环形台，在所述阀柱的下端上环绕其内侧设有凹面朝下并能弹性顶压在环形台上将空气通道阻断的弧形内叶片，内叶片采用薄壁设计，形成供空气从空气吸塞和大活塞缸之间的空间内向混合腔流出的单向阀门结构，结构简单，可避免空气吸塞和大活塞缸之间的空间形成负压时将混合腔及以上的空气液体混合液吸引大活塞缸内。
4、弹起结构可采用塑料弹簧或金属弹簧，满足用户各种需求。
5、塑料弹簧为上下端开口而侧面密封成一体的塑料弹簧管，其为螺旋式一体注塑成型，所述塑料弹簧为左旋结构或右旋结构，结构简单，生产方便，弹性好。
【附图说明】
下面结合附图对本发明的具体实施方式作进一步详细说明，其中：
图1是本发明一种环保型泡沫泵泵芯的剖视图；
图2是泵体和主柱组合后的结构示意图；
图3是泵体和主柱组合后的仰视图；
图4是空气吸塞的结构示意图；
图5是采用金属弹簧的泵芯应用在环保型泡沫泵的一种实施例的剖视图；
图6是采用塑料弹簧的泵芯应用在环保型泡沫泵的另一种实施例的剖视图；
图7是塑料弹簧的结构示意图。
【具体实施方式】
下面结合附图对本发明作进一步描述：
如图1至图7所示，一种环保型泡沫泵泵芯，包括泵体1，所述泵体1包括上下设置的大活塞缸11和小活塞缸12，所述大活塞缸11内设有能泵送空气的空气挤出装置，所述小活塞缸12内设有能泵送液体的液体挤出装置，所述空气挤出装置包括设在大活塞缸11内的空气吸塞2，所述空气吸塞2上设有与大活塞缸11的内壁相配合的活塞环21，所述大活塞缸11的上部设有向内凸出并限制活塞环21往上脱出的卡扣环13，所述液体挤出装置包括设于小活塞缸12内的主柱3和连接在主柱3下端的液体吸塞4，所述主柱3的上端伸出在大活塞缸11中并与空气吸塞2连接，且在空气吸塞2向下活动时跟随空气吸塞2一起向下活动，所述主柱3外侧并位于液体吸塞4上方套设有能将主柱3连同空气吸塞2一起往上顶压升起的弹性件5，所述小活塞缸12的下端入口处设有玻珠6，结构简单，制造方便。通 过卡扣环13和活塞环21相配合，将空气吸塞2限制在大活塞缸11内，避免空气吸塞2在振动时脱出大活塞缸11，从而将空气挤出装置和液体挤出装置固定在空气吸塞2和泵体1之间，使得该环保型泡沫泵泵芯能够独立的运输、储存和销售，以便在泡沫泵的组装生产过程中，能够配合不同的锁瓶盖10和按头9使用，增加生产的灵活性。
如图4所示实施例，所述空气吸塞2上设有卡接腔22，所述卡接腔22上方设有混合腔23，所述混合腔23的顶部设有喷出口24，所述卡接腔22内绕周向间隔设置有多个用于卡紧主柱3的卡柱25，所述混合腔23内设有从上将主柱3挡住从而定位主柱3的挡条26，所述卡接腔22的内壁、相邻两个卡柱25和主柱3的外壁之间形成供大活塞缸11内的空气流向混合腔23的空气通道27，所述空气通道27有多个并围绕在主柱3的外侧，使得气体分多个空气通道27冲出后环绕液体流，并经加压和扩散，无涡流产生，结构简单。
如图1和图2，以及图5和图6所示实施例，所述空气吸塞2上设有用于插入按头9中的插入部28，所述插入部28的侧面上设有向外凸出并用于与按头9卡接的凸环281，结构简单，组装方便。
如图1至图6所示实施例，所述空气吸塞2上设有补气孔29，所述空气吸塞2内上连接有供空气从外侧经补气孔29进入大活塞缸11中的单向阀7，所述空气吸塞2上并位于补气孔29的内侧设有环形的固定槽210，所述单向阀7包括安装在固定槽210中的环形阀柱71，所述阀柱71的下端上环绕其外侧设有凹面朝上并能弹性顶压在空气吸塞2上将补气孔29挡住的弧形外叶片72，形成供空气从外侧 进入空气吸塞2和大活塞缸11之间的空间内的单向阀门结构，结构简单，密封性好。
所述主柱3的外侧上设有向外凸出的环形台32，所述环形台32的外侧设有比环形台32略低的侧板31，所述侧板31从下支撑在阀柱71底面上，结构稳定可靠，所述阀柱71的下端上环绕其内侧设有凹面朝下并能弹性顶压在环形台32上将空气通道27阻断的弧形内叶片73，所述侧板31沿其周向间隔设置有多个沿径向内凹并供侧板31下方的空气进入侧板31和内叶片73形成的空间中的空气流通口33。内叶片73压在环形台32上形成供空气从下往上通过的单向阀门结构，结构简单，可避免空气吸塞2和大活塞缸11之间的空间形成负压时将混合腔23及以上的空气液体混合液吸引大活塞缸11内。
如图1和图5所示实施例，作为弹性件5的一种实施方式，所述弹性件5为金属弹簧，所述小活塞缸12的上端设有阶梯孔14，所述阶梯孔14中设有向内凸出的环形内凸15，所述大活塞缸11和小活塞缸12之间固定有供弹性件5的下端顶压的弹簧座8，所述弹簧座8的外侧上设有向外凸出的并卡在内凸15下方的外凸81，所述弹簧座8的上部伸出在大活塞缸11中并在侧板31向下运动一段距离时从下挡住侧板31，所述弹簧座8的下端设有伸入在小活塞缸12中并用于限定液体吸塞4的上升高度，结构简单，组装方便。
如图6和图7所示实施例，作为弹性件5的另一种实施方式，所述弹性件5为塑料弹簧，环保安全，易于回收。所述小活塞缸12的上端设有阶梯孔14，所述阶梯孔14中设有向内凸出的环形内凸15， 所述塑料弹簧上端设有用于顶压在侧板31上的顶环51，下端设有用于插入阶梯孔14中并与内凸15干涉配合的底环52，所述底环52的上端设有向外凸出并往下压在阶梯孔14上端口的外边缘上的压环53，所述底环52内侧设有伸入小活塞缸12中并用于限定液体吸塞4的上升高度的限位环54，结构简单，减少零部件数量，降低成本。
所述塑料弹簧为上下端开口而侧面密封成一体的塑料弹簧管，其为螺旋式一体注塑成型，所述塑料弹簧为左旋结构或右旋结构，结构简单，生产方便，弹性好。
为了便于与锁瓶盖10组装固定，所述泵体1上端设有用于与锁瓶盖10插接固定的插接部15。
为了便于组装网通100，所述插入部28上设有用于容置网通100的容置槽282，所述喷出口24连通容置槽282和混合腔23。
应用时，通过插接部15安装连接上锁瓶盖10，再通过插入部28插入按头9中连接上按头9即可。在使用时，按下按头9，通过按头9将空气吸塞2连同主柱3和液体吸塞4一起按压下去，通过空气吸塞2将大活塞缸11内的空气泵送出去，即大活塞缸11和空气吸塞2之间的密闭空间内的空气被压缩，空气冲开内叶片73流出；同时主柱3下移一段距离后，打开主柱3和小活塞缸12的连通通道，并带动液体吸塞4向下活动而将小活塞缸12内的溶液经主柱3泵送出去，泵送出去的空气和液体经网通100形成泡沫后往外喷出。松开作用在按头9上的外力后，在弹性件5作用下，按头9、空气吸塞2、主柱3和液体吸塞4往上升起，其中，空气吸塞2和大活塞缸11之间的 密闭空间形成负压，内叶片73对应的单向阀门结构关闭，而外叶片72对应的单向阀门结构打开，空气从补气孔29往内补气；同时主柱3上移一段距离后，关闭主柱3和小活塞缸12的连通通道，并带动液体吸塞4向上活动，使小活塞缸12内形成负压，使瓶子内的溶液在大气压作用下冲开玻珠6并流进小活塞缸12内。

Claims (10)

  1. 一种环保型泡沫泵泵芯，其特征在于：包括泵体(1)，所述泵体(1)包括上下设置的大活塞缸(11)和小活塞缸(12)，所述大活塞缸(11)内设有能泵送空气的空气挤出装置，所述小活塞缸(12)内设有能泵送液体的液体挤出装置，所述空气挤出装置包括设在大活塞缸(11)内的空气吸塞(2)，所述空气吸塞(2)上设有与大活塞缸(11)的内壁相配合的活塞环(21)，所述大活塞缸(11)的上部设有向内凸出并限制活塞环(21)往上脱出的卡扣环(13)，所述液体挤出装置包括设于小活塞缸(12)内的主柱(3)和连接在主柱(3)下端的液体吸塞(4)，所述主柱(3)的上端伸出在大活塞缸(11)中并与空气吸塞(2)连接，且在空气吸塞(2)向下活动时跟随空气吸塞(2)一起向下活动，所述主柱(3)外侧并位于液体吸塞(4)上方套设有能将主柱(3)连同空气吸塞(2)一起往上顶压升起的弹性件(5)，所述小活塞缸(12)的下端入口处设有玻珠(6)。
  2. 根据权利要求1所述的一种环保型泡沫泵泵芯，其特征在于：所述空气吸塞(2)上设有卡接腔(22)，所述卡接腔(22)上方设有混合腔(23)，所述混合腔(23)的顶部设有喷出口(24)，所述卡接腔(22)内绕周向间隔设置有多个用于卡紧主柱(3)的卡柱(25)，所述混合腔(23)内设有从上将主柱(3)挡住从而定位主柱(3)的挡条(26)，所述卡接腔(22)的内壁、相邻两个卡柱 (25)和主柱(3)的外壁之间形成供大活塞缸(11)内的空气流向混合腔(23)的空气通道(27)，所述空气通道(27)有多个并围绕在主柱(3)的外侧。
  3. 根据权利要求2所述的一种环保型泡沫泵泵芯，其特征在于：所述空气吸塞(2)上设有用于插入按头(9)中的插入部(28)，所述插入部(28)的侧面上设有向外凸出并用于与按头(9)卡接的凸环(281)。
  4. 根据权利要求2所述的一种环保型泡沫泵泵芯，其特征在于：所述空气吸塞(2)上设有补气孔(29)，所述空气吸塞(2)内上连接有供空气从外侧经补气孔(29)进入大活塞缸(11)中的单向阀(7)，所述空气吸塞(2)上并位于补气孔(29)的内侧设有环形的固定槽(210)，所述单向阀(7)包括安装在固定槽(210)中的环形阀柱(71)，所述阀柱(71)的下端上环绕其外侧设有凹面朝上并能弹性顶压在空气吸塞(2)上将补气孔(29)挡住的弧形外叶片(72)。
  5. 根据权利要求4所述的一种环保型泡沫泵泵芯，其特征在于：所述主柱(3)的外侧上设有向外凸出的环形台(32)，所述环形台(32)的外侧设有比环形台(32)略低的侧板(31)，所述侧板(31)从下支撑在阀柱(71)底面上，所述阀柱(71)的下端上环绕其内侧设有凹面朝下并能弹性顶压在环形台(32)上将空气通道(27)阻断的弧形内叶片(73)，所述侧板(31)沿其周向间隔设置有多个沿径向内凹并供侧板(31)下方的空气进入侧板(31)和内叶片(73) 形成的空间中的空气流通口(33)。
  6. 根据权利要求5所述的一种环保型泡沫泵泵芯，其特征在于：所述小活塞缸(12)的上端设有阶梯孔(14)，所述阶梯孔(14)中设有向内凸出的环形内凸(15)，所述弹性件(5)为金属弹簧，所述大活塞缸(11)和小活塞缸(12)之间固定有供弹性件(5)的下端顶压的弹簧座(8)，所述弹簧座(8)的外侧上设有向外凸出的并卡在内凸(15)下方的外凸(81)，所述弹簧座(8)的上部伸出在大活塞缸(11)中并在侧板(31)向下运动一端距离时从下挡住侧板(31)，所述弹簧座(8)的下端设有伸入在小活塞缸(12)中并用于限定液体吸塞(4)的上升高度。
  7. 根据权利要求5所述的一种环保型泡沫泵泵芯，其特征在于：所述小活塞缸(12)的上端设有阶梯孔(14)，所述阶梯孔(14)中设有向内凸出的环形内凸(15)，所述弹性件(5)为塑料弹簧，所述塑料弹簧上端设有用于顶压在侧板(31)上的顶环(51)，下端设有用于插入阶梯孔(14)中并与内凸(15)干涉配合的底环(52)，所述底环(52)的上端设有向外凸出并往下压在阶梯孔(14)上端口的外边缘上的压环(53)，所述底环(52)内侧设有伸入小活塞缸(12)中并用于限定液体吸塞(4)的上升高度的限位环(54)。
  8. 根据权利要求7所述的一种环保型泡沫泵泵芯，其特征在于：所述塑料弹簧为上下端开口而侧面密封成一体的塑料弹簧管，其为螺旋式一体注塑成型，所述塑料弹簧为左旋结构或右旋结构。
  9. 根据权利要求1所述的一种环保型泡沫泵泵芯，其特征在 于：所述泵体(1)上端设有用于与锁瓶盖(10)插接固定的插接部(15)。
  10. 根据权利要求3所述的一种环保型泡沫泵泵芯，其特征在于：所述插入部(28)上设有用于容置网通(100)的容置槽(282)，所述喷出口(24)连通容置槽(282)和混合腔(23)。
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