WO2021051769A1 - 一种外置弹簧防水型乳液泵 - Google Patents
一种外置弹簧防水型乳液泵 Download PDFInfo
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- WO2021051769A1 WO2021051769A1 PCT/CN2020/080651 CN2020080651W WO2021051769A1 WO 2021051769 A1 WO2021051769 A1 WO 2021051769A1 CN 2020080651 W CN2020080651 W CN 2020080651W WO 2021051769 A1 WO2021051769 A1 WO 2021051769A1
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- pump
- rod
- pump rod
- locking cover
- piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
- F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
- F04B23/023—Pumping installations or systems having reservoirs the pump being immersed in the reservoir only the pump-part being immersed, the driving-part being outside the reservoir
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
-
- 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
- B05B11/1059—Means for locking a pump or its actuation means in a fixed position
- B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position
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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
- B05B11/1074—Springs located outside pump chambers
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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
- B05B11/1094—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 having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D2034/002—Accessories
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/05—Details of containers
- A45D2200/054—Means for supplying liquid to the outlet of the container
- A45D2200/055—Piston or plunger for supplying the liquid to the applicator
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/05—Details of containers
- A45D2200/054—Means for supplying liquid to the outlet of the container
- A45D2200/056—Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
-
- 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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/30—Dip tubes
Definitions
- the invention relates to an external spring waterproof type emulsion pump.
- lotion pumps have been widely used in daily chemical and pharmaceutical industries.
- the existing lotion pump has many parts, complex structure, difficult production, and high production cost; and the spring of the suction component of the existing lotion pump will directly contact the lotion in the pump chamber, and it will cause the liquid when the spring rusts. Pollution, unsanitary; after the existing lotion pump is opened by pressing the head, impurities such as water and air will enter the pump room from the gap of the pump body, and then pollute the lotion, which is unsanitary and environmentally friendly.
- the present invention is based on the above shortcomings.
- the technical problem to be solved by the present invention is to provide an external spring waterproof emulsion pump with simple structure and good sealing performance.
- an external spring waterproof emulsion pump which is characterized by comprising a pump body extending into the bottle body, the pump body is provided with a pump chamber, so The pump body is connected with a lock bottle cap that can be fixed to the bottle body, and the pump chamber is provided with a suction assembly that can move up and down to draw the liquid in the bottle upwards.
- the pump body A locking cap is connected to the upper part to prevent the suction component from falling out of the pump chamber and to prevent the bottle cap from being detached from the pump body; the lower end of the pump chamber is provided with only the liquid in the bottle body to discharge upward when the suction component moves
- the upper end of the suction component is connected with a pressing head capable of driving the suction component to work, and the suction component includes an upper pump rod that can pass through the locking cover and has a suction channel.
- a spring is arranged between the upper pump rod and the locking cover, the lower end of the upper pump rod is connected with a lower pump rod whose one end can be extended into the suction channel, and the lower pump rod is provided with a suction channel which can communicate with each other.
- the outer side of the lower pump rod is sleeved with a piston that can move relative to the upper pump rod and the lower pump rod and can block liquid from entering the suction channel from the liquid inlet groove, and the upper pump rod is A pushing part that can touch the upper end of the piston to push the piston downward is provided, and the lower pump rod is provided with a protrusion that can touch the lower end of the piston to push the piston upward; the upper pump A waterproof structure is arranged between the rod and the locking cover.
- the above-mentioned external spring waterproof type lotion pump is characterized in that a locking structure capable of restricting the rebound of the suction component is provided between the upper pump rod and the locking cover, and the locking structure
- the upper pump rod includes an internal thread arranged on the inner side wall of the locking cover.
- the upper pump rod includes an inner tube and an outer tube arranged outside the inner tube.
- the outer side wall of the outer tube is provided with an inner thread that matches the inner thread.
- the lower end of the inner tube passes through the locking cover and is connected to the lower pump rod, and the suction channel is located in the inner tube.
- the above-mentioned external spring waterproof emulsion pump is characterized in that the waterproof structure includes a sealing rib which is arranged on the outer side wall of the outer tube and can be abutted and sealed with the locking cover, and the sealing convex The rib is located above the external thread.
- the above-mentioned external spring waterproof type lotion pump is characterized in that the outer side of the lower pump rod is provided with a limited groove, and the suction channel is provided with the lower pump rod extending into the suction channel At the same time, it can abut against the limiting groove to prevent the lower pump rod from being separated from the suction channel (the limiting step that is detached).
- An external spring waterproof type emulsion pump as described above is characterized in that a spring containing groove is formed between the inner tube and the outer tube for placing a spring.
- the above-mentioned external spring waterproof type lotion pump is characterized in that the outer side of the upper end of the pump body is provided with an annular protrusion, and the locking cover is provided with an annular recess into which the annular protrusion can be clamped.
- the locking cover is also provided with a guide pressing plate capable of fixing the annular protrusion in the annular groove.
- the above-mentioned external spring waterproof emulsion pump is characterized in that the lower end of the pump chamber is tapered, the one-way valve is a pump ball arranged at the lower end of the pump chamber, and the pump chamber is located in parallel An elastic stop is arranged above the pump ball to prevent the pump ball from detaching.
- the above-mentioned external spring waterproof type lotion pump is characterized in that the lower end of the lower pump rod is provided with an outer convex part that can press the pump ball against the lower end of the pump chamber when the lower pump rod is not raised.
- the above-mentioned external spring waterproof type emulsion pump is characterized in that the pump body is also provided with a liquid introduction tube below the one-way valve.
- the external spring waterproof emulsion pump of the present invention achieves the following effects:
- a waterproof structure is provided between the upper pump rod and the locking cover of the present invention, which can prevent external water or impurities from entering the pump body from the gap of the pump body to contaminate the material body, and improve the sealing performance of the lotion pump.
- the spring of the present invention is arranged between the upper pump rod and the locking cover, and is arranged above the pump body piston, so when the suction assembly moves up and down to suck the emulsion into the pump chamber below the pump body piston, the spring does not It will stick to the emulsion, so this structure makes the spring and the emulsion completely separated, ensuring hygiene and will not pollute the emulsion.
- the upper pump rod and the locking cover of the present invention are provided with a locking structure that can limit the rebound of the suction component. When not in use, the upper pump rod and the locking cover can be fixed to prevent accidental pressing of the head. Leakage of lotion.
- Figure 1 is a perspective view of the present invention in its natural state
- Figure 2 is a cross-sectional view of the present invention in its natural state
- Figure 3 is a cross-sectional view of the present invention in a pressed state
- Figure 4 is an exploded view of the present invention
- Figure 5 is an enlarged view of A in Figure 2;
- Fig. 6 is an enlarged view of B in Fig. 3;
- Fig. 7 is a schematic diagram of liquid discharge during the pressing process of the present invention.
- an external spring waterproof type lotion pump includes a pump body 1 extending into the bottle body, the pump body 1 is provided with a pump chamber 2, and the pump body 1 is connected with The bottle cap 3 can be fixed to the bottle body.
- the pump chamber 2 is provided with a suction assembly 4 that can move up and down to draw the liquid in the bottle upwards.
- the pump body 1 is Connected with a locking cover 5 that can prevent the suction assembly 4 from falling out of the pump chamber 2 and prevent the lock bottle cap from detaching from the pump body 1; by positioning the lock bottle cap by the lock cover, the freedom of locking the bottle cap can be realized Rotating, the lower end of the pump chamber 2 is provided with a one-way valve 6 that only discharges the liquid in the bottle upward when the suction assembly 4 moves, and the upper end of the suction assembly 4 is connected with a button that can drive the suction assembly 4 to work.
- the suction assembly 4 includes an upper pump rod 41 that can pass through the lock cover 5 and has a suction channel 411, and a spring 42 is arranged between the upper pump rod 41 and the lock cover 5,
- the lower end of the upper pump rod 41 is connected with a lower pump rod 43 whose one end can extend into the suction channel 411.
- the lower pump rod 43 is provided with a liquid inlet slot 431 that can communicate with the suction channel 411.
- the lower pump rod can be elastically deformed inward according to the liquid inlet slot, which is convenient for assembly; the outer side of the lower pump rod 43 is sleeved with the upper pump rod 41 and the lower pump rod.
- the upper pump rod 41 is provided with a push that can touch the upper end of the piston 44 and push the piston 44 downward.
- the lower pump rod 43 is provided with a protrusion 432 that can touch the lower end of the piston 43 and push the piston 43 upward; in the natural state, the spring pushes the pump rod upward, and the sealing lip on the piston Contact with the protruding part of the lower pump rod to block the suction channel and the pump chamber.
- the sealing lip of the upper pump rod is immediately separated from the protruding part of the lower pump rod.
- the suction channel is connected to the pump chamber below the piston.
- the air pressure between the piston and the one-way valve It is less than the air pressure in the bottle, and the liquid in the bottle pushes open the one-way valve and enters the pump room. Pressing the head repeatedly in this way will discharge the emulsion in the bottle for use.
- the operation is simple; the certain distance above is theoretically greater than 0 is enough, the purpose is that the descending or rising of the piston has a delay compared with the descending or rising of the upper pump rod, so as to control the on and off of the suction channel and the pump chamber. Generally, the distance is set to 0.5mm to 2mm because the distance is determined
- the size of the opened liquid outlet channel can be selected according to the particle size of the solution;
- a waterproof structure is provided between the upper pump rod 41 and the locking cover 5.
- the waterproof structure of the present invention can prevent external water or impurities from entering the pump body from the gap of the pump body to contaminate the material body, and improve the sealing performance of the emulsion pump.
- a locking structure that can restrict the rebound of the suction assembly 4 is provided between the upper pump rod 41 and the locking cover 5.
- the upper pump rod 41 includes an inner thread 51 arranged on the inner side wall of the locking cover 5.
- the upper pump rod 41 includes an inner tube 401 and an outer tube 402 arranged on the outside of the inner tube 401.
- the outer thread 4021 that matches the inner thread 51, the lower end of the inner tube 401 passes through the locking cover 5 and is connected to the lower pump rod 43, and the suction channel 411 is located in the inner tube 401 Inside.
- the waterproof structure includes a sealing rib 4022 arranged on the outer side wall of the outer tube 402 and capable of abutting and sealing against the locking cover 5.
- the sealing protrusion The rib 4022 is located above the external thread 4021.
- the outer side of the lower pump rod 43 is provided with a limiting groove 433, and the suction channel 411 is provided with a lower pump rod 43 extending into the suction channel.
- the channel 411 can abut against the limiting groove 433 to prevent the lower pump rod 43 from being separated from the suction channel 411 by the limiting step 4111. Enhance the stability of the connection between the lower pump rod and the upper pump rod.
- a spring receiving groove 403 for the spring 42 is formed in the connection between the inner tube 401 and the outer tube 402 to prevent the spring from falling out and position it.
- the outer side of the upper end of the pump body 1 is provided with an annular protrusion 11, and the locking cover 5 is provided with an annular protrusion 11 into which the annular protrusion 11 can be clamped.
- the locking cover 5 is also provided with a guide pressing plate 52 capable of fixing the annular protrusion 11 in the annular groove 51.
- the lower end of the pump chamber 2 is tapered, and the one-way valve 6 is a pump ball arranged at the lower end of the pump chamber 2. And above the pump ball is provided with an elastic block 21 that can prevent the pump ball from detaching.
- the lower end of the lower pump rod 43 is provided with an outer protrusion 434 that can press the pump ball against the lower end of the pump chamber 2 when it is not ascending. Prevent liquid leakage during transportation.
- the pump body 1 is also provided with a liquid introduction tube 8 below the one-way valve 6.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
本发明公开了一种外置弹簧防水型乳液泵,包括伸入瓶体内的泵体,泵体上设置有泵室,泵体上连接有锁瓶盖,泵室内设置有抽吸组件,泵体上连接有锁紧盖;泵室的下端设置有单向阀,抽吸组件上端连接有能驱动抽吸组件工作的按头,抽吸组件包括有上泵杆,上泵杆与锁紧盖之间设置有弹簧,上泵杆的下端连接有下泵杆,下泵杆上开设有进液槽口,下泵杆的外侧套设有活塞,上泵杆上设置有推动部,下泵杆上设置有能与活塞的下端相触碰进而推动活塞向上运动的突出部;上泵杆与锁紧盖之间设置有防水结构。本发明的上泵杆与锁紧盖之间设置有防水结构,可以防止外部水或杂质从泵体的缝隙进入到泵体内污染料体,提高乳液泵的密封性。
Description
本发明涉及一种外置弹簧防水型乳液泵。
乳液泵由于其设计精美,使用方便,已广泛地应用与日化和医药等行业。但是现有的乳液泵零件多,结构复杂,制作难度大,生产成本高;而且现有的乳液泵的抽吸组件的弹簧在泵室内会与乳液直接接触,当弹簧生锈后会对液体造成污染,不卫生;现有乳液泵按头打开后,水、空气等杂质会从泵体的缝隙进入泵室,进而污染乳液,不卫生,不环保。
本发明正是基于以上的不足而产生的。
【发明内容】
本发明要解决的技术问题是提供一种结构简单,密封性能好的外置弹簧防水型乳液泵。
为解决上述技术问题,本发明采用了下述技术方案:一种外置弹簧防水型乳液泵,其特征在于,包括伸入瓶体内的泵体,所述的泵体上设置有泵室,所述泵体上连接有能将其固定到瓶体上的锁瓶盖,所述的泵室内设置有能在其内上下移动而将瓶体内的液体向上抽出的抽吸组件,所述的泵体上连接有能防止抽吸组件从泵室内脱出并能防 止锁瓶盖从泵体上脱离的锁紧盖;所述泵室的下端设置有在抽吸组件运动时仅供瓶体内的液体向上排出的单向阀,所述抽吸组件上端连接有能驱动抽吸组件工作的按头,所述的抽吸组件包括有能穿过锁紧盖并具有抽吸通道的上泵杆,所述的上泵杆与锁紧盖之间设置有弹簧,所述的上泵杆的下端连接有一端能伸入至抽吸通道内的下泵杆,所述下泵杆上开设有能连通抽吸通道的进液槽口,所述下泵杆的外侧套设有能相对上泵杆和下泵杆移动且能阻断液体从进液槽进入到抽吸通道内的活塞,所述上泵杆上设置有能与活塞的上端相触碰进而推动活塞向下运动的推动部,所述下泵杆上设置有能与活塞的下端相触碰进而推动活塞向上运动的突出部;所述的上泵杆与锁紧盖之间设置有防水结构。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述的上泵杆与锁紧盖之间设置有能限制抽吸组件回弹的锁紧结构,所述的锁紧结构包括有设置在锁紧盖内侧壁的内螺纹,所述的上泵杆包括有内管和设置在内管外侧的外管,所述外管的外侧壁上设置有与所述内螺纹相匹配的外螺纹,所述的内管的下端穿过所述锁紧盖与下泵杆连接,且所述的抽吸通道位于所述内管内。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述的防水结构包括有设置在外管外侧壁上并能与锁紧盖抵靠密封的密封凸筋,所述的密封凸筋位于外螺纹的上方。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述的下泵杆的外侧设置有限位凹槽,所述的抽吸通道内设置有在下泵杆伸入 至抽吸通道时能与限位凹槽相抵靠进而防止下泵杆从抽吸通道(脱离的限位台阶。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述的内管与外管之间连接形成有可供弹簧放置的弹簧容纳槽。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述泵体的上端外侧设置有环形凸起,所述的锁紧盖上设置有可供环形凸起卡入的环形凹槽,所述的锁紧盖上还设置有能将环形凸起固定在环形凹槽内的导向压板。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述的泵室下端呈锥形,所述的单向阀为设置在泵室下端的泵珠,所述泵室内并位于泵珠的上方设置有能防止泵珠脱离的弹性挡位。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述下泵杆的下端设置有在其未上升时能将泵珠抵压在泵室下端的外凸部。
如上所述的一种外置弹簧防水型乳液泵,其特征在于,所述的泵体并位于单向阀的下方还设置有引液管。
与现有技术相比,本发明的一种外置弹簧防水型乳液泵,达到了如下效果:
1、本发明的上泵杆与锁紧盖之间设置有防水结构,可以防止外部水或杂质从泵体的缝隙进入到泵体内污染料体,提高乳液泵的密封性。
2、本发明的弹簧设置在上泵杆与锁紧盖之间,并且设置在泵体 活塞的上方,所以在抽吸组件上下运动而抽吸乳液到泵体活塞下方的泵室内时,弹簧不会粘到乳液,因此本结构使得弹簧与乳液是完全隔开的状态,确保了卫生,不会对乳液造成污染。
3、本发明的上泵杆与锁紧盖之间设置有能限制抽吸组件回弹的锁紧结构,在不使用时,可以将上泵杆与锁紧盖固定,防止误压按头造成乳液的泄漏。
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为本发明在自然状态下的立体图;
图2为本发明在自然状态下的剖视图;
图3为本发明在按压状态下的剖视图;
图4为本发明的***图;
图5为图2中A处的放大图;
图6为图3中B处的放大图;
图7为本发明在按压过程中的出液示意图。
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。
如图1至图7所示,一种外置弹簧防水型乳液泵,包括伸入瓶体 内的泵体1,所述的泵体1上设置有泵室2,所述泵体1上连接有能将其固定到瓶体上的锁瓶盖3,所述的泵室2内设置有能在其内上下移动而将瓶体内的液体向上抽出的抽吸组件4,所述的泵体1上连接有能防止抽吸组件4从泵室2内脱出并能防止锁瓶盖从泵体1上脱离的锁紧盖5;通过锁紧盖对锁瓶盖的定位,可以实现锁瓶盖的自由转动,所述泵室2的下端设置有在抽吸组件4运动时仅供瓶体内的液体向上排出的单向阀6,所述抽吸组件4上端连接有能驱动抽吸组件4工作的按头7,所述的抽吸组件4包括有能穿过锁紧盖5并具有抽吸通道411的上泵杆41,所述的上泵杆41与锁紧盖5之间设置有弹簧42,所述的上泵杆41的下端连接有一端能伸入至抽吸通道411内的下泵杆43,所述下泵杆43上开设有能连通抽吸通道411的进液槽口431,在下泵杆与上泵杆的组装过程中,下泵杆可根据进液槽口向内进行弹性变形,组装方便;所述下泵杆43的外侧套设有能相对上泵杆41和下泵杆43移动且能阻断液体从进液槽431进入到抽吸通道411内的活塞44,所述上泵杆41上设置有能与活塞44的上端相触碰进而推动活塞44向下运动的推动部412,所述下泵杆43上设置有能与活塞43的下端相触碰进而推动活塞43向上运动的突出部432;自然状态时,弹簧向上顶上泵杆,此时活塞上的密封唇与下泵杆的突出部接触而阻断抽吸通道与泵室,当需要抽液时,向下按压按头,下泵杆就向下运动,弹簧受压缩,当下泵杆下降时,活塞上的密封唇与下泵杆的突出部立即脱离,此时抽吸通道就与活塞下方的泵室连通,当上泵杆下降一定距离后,上泵杆的推动部就触碰到活塞并推动活塞向 下运动,活塞向下运动就使得活塞下方的泵室内的气体或液体经抽吸通道排出,接着松开按头,弹簧伸长,上泵杆上升一定距离,下泵杆的突出部就与活塞的密封唇接触而阻断泵室与抽吸通道,上泵杆继续上升的过程中就通过与上泵杆卡接的下泵杆推动活塞上升,此时活塞与单向阀之间的气压就小于瓶内的气压,瓶内的液体就推开单向阀而进入到泵室内,如此反复按压按头,就将瓶内的乳液排出使用,操作简单;上文中的一定距离理论上来说大于0即可,目的是活塞的下降或上升与上泵杆的下降或上升相比具有延迟,从而控制抽吸通道与泵室的通断,一般该距离设置为0.5mm至2mm因为距离的大小决定打开的出液通道的大小,可根据溶液的颗粒大小选择;所述的上泵杆41与锁紧盖5之间设置有防水结构。本发明的防水结构,可以防止外部水或杂质从泵体的缝隙进入到泵体内污染料体,提高乳液泵的密封性。
如图1至图7所示,在本实施例中,所述的上泵杆41与锁紧盖5之间设置有能限制抽吸组件4回弹的锁紧结构,所述的锁紧结构包括有设置在锁紧盖5内侧壁的内螺纹51,所述的上泵杆41包括有内管401和设置在内管401外侧的外管402,所述外管402的外侧壁上设置有与所述内螺纹51相匹配的外螺纹4021,所述的内管401的下端穿过所述锁紧盖5与下泵杆43连接,且所述的抽吸通道411位于所述内管401内。先将上泵杆按压然后通过转动上泵杆使上泵杆上的外螺纹与锁紧盖内侧壁上的内螺纹匹配连接,进而限制上泵杆回弹,将上泵杆与锁紧盖锁紧,防止误压按头造成乳液的泄漏。
如图1至图7所示,在本实施例中,所述的防水结构包括有设置在外管402外侧壁上并能与锁紧盖5抵靠密封的密封凸筋4022,所述的密封凸筋4022位于外螺纹4021的上方。上泵杆在锁紧盖内上下运动的过程中,外管外侧壁上的密封凸筋4022始终与锁紧盖的内壁抵压密封,进而防止外部水或杂质进入泵体污染料体。
如图1至图7所示,在本实施例中,所述的下泵杆43的外侧设置有限位凹槽433,所述的抽吸通道411内设置有在下泵杆43伸入至抽吸通道411时能与限位凹槽433相抵靠进而防止下泵杆43从抽吸通道411脱离的限位台阶4111。增强下泵杆与上泵杆之间连接的稳定性。
如图1至图7所示,在本实施例中,所述的内管401与外管402之间连接形成有可供弹簧42放置的弹簧容纳槽403,防止弹簧脱出,对其进行定位。
如图1至图7所示,在本实施例中,所述泵体1的上端外侧设置有环形凸起11,所述的锁紧盖5上设置有可供环形凸起11卡入的环形凹槽51,所述的锁紧盖5上还设置有能将环形凸起11固定在环形凹槽51内的导向压板52。组装时,通过锁紧盖的导向压板强压到位,将环形凸起固定在环形凹槽内,组装方便可靠。
如图1至图7所示,在本实施例中,所述的泵室2下端呈锥形,所述的单向阀6为设置在泵室2下端的泵珠,所述泵室2内并位于泵珠的上方设置有能防止泵珠脱离的弹性挡位21。
如图1至图7所示,在本实施例中,所述下泵杆43的下端设置 有在其未上升时能将泵珠抵压在泵室2下端的外凸部434。防止在运输过程中液体泄漏。
如图1至图7所示,在本实施例中,所述的泵体1并位于单向阀6的下方还设置有引液管8。
使用时,先将按头7旋转使得上泵杆与锁紧盖解锁分离,抽吸组件4在弹簧的弹性力作用下向上运动,此时,第一次向下按压按头7,抽吸组件跟随按头7向下运动,活塞44将泵室2内的气体从进液槽431压入到抽吸通道411内,将气体排出,此时泵室2处于负压状态,松开手后,抽吸组件4在弹簧42的弹性力下向上运动,由于泵室2内的压力小于瓶体内的压力,此时,单向阀6打开,瓶内的乳液进入到泵室2内,当泵室内的气压与瓶内的气压相等时,单向阀6关闭,再次按压按头7,活塞44向下运动挤压泵室2,此时,乳液从进液槽431进入到抽吸通道411内,然后从按头流出。
Claims (9)
- 一种外置弹簧防水型乳液泵,其特征在于,包括伸入瓶体内的泵体(1),所述的泵体(1)上设置有泵室(2),所述泵体(1)上连接有能将其固定到瓶体上的锁瓶盖(3),所述的泵室(2)内设置有能在其内上下移动而将瓶体内的液体向上抽出的抽吸组件(4),所述的泵体(1)上连接有能防止抽吸组件(4)从泵室(2)内脱出并能防止锁瓶盖从泵体(1)上脱离的锁紧盖(5);所述泵室(2)的下端设置有在抽吸组件(4)运动时仅供瓶体内的液体向上排出的单向阀(6),所述抽吸组件(4)上端连接有能驱动抽吸组件(4)工作的按头(7),所述的抽吸组件(4)包括有能穿过锁紧盖(5)并具有抽吸通道(411)的上泵杆(41),所述的上泵杆(41)与锁紧盖(5)之间设置有弹簧(42),所述的上泵杆(41)的下端连接有一端能伸入至抽吸通道(411)内的下泵杆(43),所述下泵杆(43)上开设有能连通抽吸通道(411)的进液槽口(431),所述下泵杆(43)的外侧套设有能相对上泵杆(41)和下泵杆(43)移动且能阻断液体从进液槽(431)进入到抽吸通道(411)内的活塞(44),所述上泵杆(41)上设置有能与活塞(44)的上端相触碰进而推动活塞(44)向下运动的推动部(412),所述下泵杆(43)上设置有能与活塞(43)的下端相触碰进而推动活塞(43)向上运动的突出部(432);所述的上泵杆(41)与锁紧盖(5)之间设置有防水结构。
- 根据权利要求1所述的一种外置弹簧防水型乳液泵,其特征在于,所述的上泵杆(41)与锁紧盖(5)之间设置有能限制抽吸组件(4)回弹的锁紧结构,所述的锁紧结构包括有设置在锁紧盖(5) 内侧壁的内螺纹(51),所述的上泵杆(41)包括有内管(401)和设置在内管(401)外侧的外管(402),所述外管(402)的外侧壁上设置有与所述内螺纹(51)相匹配的外螺纹(4021),所述的内管(401)的下端穿过所述锁紧盖(5)与下泵杆(43)连接,且所述的抽吸通道(411)位于所述内管(401)内。
- 根据权利要求2所述的一种外置弹簧防水型乳液泵,其特征在于,所述的防水结构包括有设置在外管(402)外侧壁上并能与锁紧盖(5)抵靠密封的密封凸筋(4022),所述的密封凸筋(4022)位于外螺纹(4021)的上方。
- 根据权利要求1所述的一种外置弹簧防水型乳液泵,其特征在于,所述的下泵杆(43)的外侧设置有限位凹槽(433),所述的抽吸通道(411)内设置有在下泵杆(43)伸入至抽吸通道(411)时能与限位凹槽(433)相抵靠进而防止下泵杆(43)从抽吸通道(411)脱离的限位台阶(4111)。
- 根据权利要求2所述的一种外置弹簧防水型乳液泵,其特征在于,所述的内管(401)与外管(402)之间连接形成有可供弹簧(42)放置的弹簧容纳槽(403)。
- 根据权利要求1所述的一种外置弹簧防水型乳液泵,其特征在于,所述泵体(1)的上端外侧设置有环形凸起(11),所述的锁紧盖(5)上设置有可供环形凸起(11)卡入的环形凹槽(51),所述的锁紧盖(5)上还设置有能将环形凸起(11)固定在环形凹槽(51)内的导向压板(52)。
- 根据权利要求1所述的一种外置弹簧防水型乳液泵,其特征在于,所述的泵室(2)下端呈锥形,所述的单向阀(6)为设置在泵室(2)下端的泵珠,所述泵室(2)内并位于泵珠的上方设置有能防止泵珠脱离的弹性挡位(21)。
- 根据权利要求7所述的一种外置弹簧防水型乳液泵,其特征在于,所述下泵杆(43)的下端设置有在其未上升时能将泵珠抵压在泵室(2)下端的外凸部(434)。
- 根据权利要求1所述的一种外置弹簧防水型乳液泵,其特征在于,所述的泵体(1)并位于单向阀(6)的下方还设置有引液管(8)。
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- 2019-09-19 CN CN201910884599.2A patent/CN110547582B/zh active Active
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2020
- 2020-03-23 US US17/268,397 patent/US11415120B2/en active Active
- 2020-03-23 EP EP20845370.4A patent/EP3821754A4/en active Pending
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Also Published As
Publication number | Publication date |
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CN110547582A (zh) | 2019-12-10 |
EP3821754A4 (en) | 2021-10-27 |
US11415120B2 (en) | 2022-08-16 |
US20210381498A1 (en) | 2021-12-09 |
CN110547582B (zh) | 2024-04-19 |
EP3821754A1 (en) | 2021-05-19 |
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