WO2021164093A1 - 一种全塑自锁泵 - Google Patents

一种全塑自锁泵 Download PDF

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Publication number
WO2021164093A1
WO2021164093A1 PCT/CN2020/080656 CN2020080656W WO2021164093A1 WO 2021164093 A1 WO2021164093 A1 WO 2021164093A1 CN 2020080656 W CN2020080656 W CN 2020080656W WO 2021164093 A1 WO2021164093 A1 WO 2021164093A1
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WO
WIPO (PCT)
Prior art keywords
pump
locking
button
self
plastic
Prior art date
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PCT/CN2020/080656
Other languages
English (en)
French (fr)
Inventor
梁配辉
朱茂勇
张永雷
梁金考
Original Assignee
中山市美捷时包装制品有限公司
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Application filed by 中山市美捷时包装制品有限公司 filed Critical 中山市美捷时包装制品有限公司
Priority to EP20845369.6A priority Critical patent/EP3896002A4/en
Priority to US17/268,426 priority patent/US11383257B2/en
Publication of WO2021164093A1 publication Critical patent/WO2021164093A1/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
    • B05B11/1059—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
    • B05B11/1001—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
    • B05B11/1042—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
    • 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

Definitions

  • the invention relates to a full-plastic self-locking pump.
  • the lotion pump is also called a press type lotion pump. It is a kind of liquid dispenser that uses the principle of atmospheric balance to pump out the material and liquid in the bottle by pressing and fill the outside atmosphere into the bottle.
  • the lotion pump Because of its intricate design and convenient use, the lotion pump has been widely used in daily chemical and pharmaceutical industries.
  • the existing lotion pump has many parts, complex structure, high manufacturing difficulty, and high production cost.
  • the spring of the suction component of the traditional lotion pump adopts a metal spring, which directly contacts the lotion in the pump chamber. When the return spring is rusted It will pollute the liquid and is not hygienic; and the buttons of the existing lotion pumps are easily pressed by mistake during use, causing waste or inconvenience to users.
  • the present invention is based on the above shortcomings.
  • the technical problem to be solved by the present invention is to provide an all-plastic self-locking pump, which adopts a plastic ring part to act as an elastic force through its own relaxation and contraction instead of a conventional metal spring to realize an all-plastic lotion pump.
  • the button rotation realizes self-locking, which is environmentally friendly and hygienic.
  • a fully plastic self-locking pump which is characterized in that it comprises a pump body extending into the bottle body, the pump body is provided with a pump chamber, and the pump The body is connected with a lock bottle cap that can fix it to the bottle body, and the pump chamber is provided with a suction assembly that can move up and down to pump the liquid in the bottle upwards.
  • the lower end of the pump chamber is provided There is a one-way valve that only discharges the liquid in the bottle upward when the suction assembly moves; the upper end of the suction assembly is connected with a button that can drive the suction assembly to work, and the pump chamber is provided with a suction prevention assembly
  • a self-locking cover separated from the pump chamber, in the pump chamber and located above the one-way valve, there is a plastic ring that can reset the suction component after the suction component is pressed down, and the side of the plastic ring is provided with Opening;
  • the position where the button stays includes a locked position and an unlocked position. Between the button and the self-locking lock cover is provided with a locking mechanism that prevents the button from moving downward when the button stays in the locked position. After the button is rotated from the locked position to the unlocked position, the button can be pressed so that the liquid in the bottle is ejected from the button outlet.
  • the above-mentioned all-plastic self-locking pump is characterized in that, the suction assembly includes a pump rod that can pass through the self-locking locking cover and has a suction channel, and the pump rod is provided with a connection The suction channel and the liquid inlet of the pump chamber, the outer side of the pump rod is sleeved with a piston that can slide relative to it and can seal the liquid inlet, and the lower end of the pump rod is connected with a plastic ring that can extend into Conical cap.
  • the above-mentioned all-plastic self-locking pump is characterized in that the locking mechanism includes positioning ribs arranged on the button, and the self-locking locking cover has the ability to abut against the positioning ribs to prevent On the platform where the button moves down, the self-locking lock cover is also provided with a receiving groove capable of accommodating the positioning rib when the button is rotated to the unlocked position.
  • the above-mentioned all-plastic self-locking pump is characterized in that the pump rod is located on the upper outer wall of the liquid inlet and is provided with upper limit ribs, and the pump rod is located on the lower outer wall of the liquid inlet. There is a lower limit convex ring, and the piston is located between the upper limit convex rib and the lower limit convex ring.
  • the above-mentioned all-plastic self-locking pump is characterized in that the lower end of the pump chamber is tapered, and the one-way valve is a pump ball arranged at the lower end of the pump chamber.
  • the above-mentioned all-plastic self-locking pump is characterized in that, above the one-way valve, the pump chamber is provided with a limit part that can prevent the one-way valve from coming out and limit the downward movement of the conical cap.
  • the above-mentioned all-plastic self-locking pump is characterized in that a liquid introduction tube is further provided in the pump body and located below the one-way valve.
  • the above-mentioned all-plastic self-locking pump is characterized in that the plastic ring is an elastic plastic ring.
  • the all-plastic self-locking pump of the present invention achieves the following technical effects:
  • a plastic ring that can reset the suction component after the suction component is pressed down.
  • the plastic ring is an elastic plastic ring, and the side of the plastic ring is provided with The opening, when the lower end of the suction component extends into the plastic ring, the opening opens and the entire plastic ring is in an open state.
  • the button is released, the plastic ring shrinks due to its own elastic action, and the opening is closed, thereby pulling the pump out
  • the suction component is extruded upward, and the plastic elastic part replaces the metal spring to achieve elastic expansion and contraction. All parts are made of all-plastic material, which is energy-saving and environmentally friendly.
  • the position and unlock position can be locked by rotating the button to prevent liquid leakage caused by accidentally pressing the button.
  • Figure 1 is a perspective view of the present invention
  • Figure 2 is a cross-sectional view of the present invention
  • Figure 3 is an exploded view of the present invention
  • Figure 4 is an enlarged view of A in Figure 2;
  • Figure 5 is a three-dimensional view of the button of the present invention.
  • Figure 6 is a perspective view of the self-locking locking cover of the present invention.
  • an all-plastic self-locking 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 to It is fixed to the lock bottle cap 3 on the bottle body.
  • the pump chamber 2 is provided with a suction assembly 4 that can move up and down to pump the liquid in the bottle upwards.
  • the lower end of the pump chamber 2 is provided with When the suction assembly 4 moves, the one-way valve 5 is only used to discharge the liquid in the bottle upward; the upper end of the suction assembly 4 is connected with a button 6 that can drive the suction assembly 4 to work. The liquid is sucked out from the suction assembly.
  • the pump chamber 2 is provided with a self-locking lock cover 7 that prevents the suction assembly 4 from being separated from the pump chamber 2.
  • the pump chamber 2 is located above the one-way valve 5.
  • There is a locking mechanism between the button 6 and the self-locking cover 7 that prevents the button 6 from moving downward when the button 6 stays in the locked position. After the button 6 is rotated from the locked position to the unlocked position, the button 6 can be pressed to cause the liquid in the bottle to be ejected from the outlet of the button 6.
  • the plastic ring is an elastic plastic ring with better elasticity.
  • the upper end of the plastic ring is bent inward, which can be The tapered structure is inclined to fit, and the side of the plastic ring is provided with an opening 81.
  • the opening can allow the liquid from the one-way valve to enter the pump chamber from the opening, and at the same time can realize the expansion and contraction of the plastic ring.
  • the pump chamber of the present invention is provided with a plastic ring that can be inserted into the lower end of the suction component and can be reset, and the side of the ring structure is provided with an opening. When the lower end of the suction component extends into the plastic ring, the opening is opened.
  • the plastic ring is in an open state.
  • the plastic ring shrinks due to its own elastic action, closing the opening, and then squeezing the suction component upwards.
  • the plastic elastic part replaces the metal spring to achieve elastic expansion and contraction. All parts They are all made of plastic, energy-saving and environmentally friendly, and have a wide range of applications.
  • the position of the button since the position of the button includes the locked position and the unlocked position, it can be locked by rotating the button when not in use to prevent liquid leakage caused by accidentally pressing the button.
  • the suction assembly 4 includes a pump rod 41 that can pass through the self-locking locking cover 7 and has a suction channel 411.
  • the pump rod 41 A liquid inlet 412 connecting the suction channel 411 and the pump chamber 2 is provided on the upper side.
  • the pump rod 41 is sleeved with a piston 42 that can slide relative to it and can seal the liquid inlet 412.
  • the lower end of the pump rod 41 Connected with a conical cap 43 that can be inserted into the plastic ring member 8. Through the cooperation of the conical cap and the plastic ring member, the plastic ring member can be contracted and opened well, which is convenient for the pressing and resetting of the pump rod. .
  • the locking mechanism includes a positioning rib 61 provided on the button 6, and the self-locking locking cover 7 has a function of resisting the positioning rib 61 Relying on the platform 71 that prevents the button 6 from moving down, the self-locking lock cover 7 is also provided with a receiving groove 72 that can accommodate the positioning rib 61 when the button 6 is rotated to the unlocked position.
  • the positioning rib on the button rotates to the receiving groove position of the self-locking lock cover, the button can be pressed down.
  • the positioning rib on the button rotates to the platform position on the self-locking lock cover, due to the platform and the positioning protrusion The ribs abut against each other to limit the pressing of the button and realize self-locking.
  • the pump rod 41 is located on the upper outer wall of the liquid inlet 412 and is provided with an upper limit rib 413, and the pump rod 41 is located on the liquid inlet 412.
  • the lower outer wall is provided with a lower limit convex ring 414, and the piston 42 is located between the upper limit convex rib 413 and the lower limit convex ring 414.
  • the lower end of the pump chamber 2 is tapered, and the one-way valve 5 is a pump ball arranged at the lower end of the pump chamber 2.
  • a limit part that can prevent the one-way valve 5 from coming out and restrict the downward movement of the conical cap 43. twenty one.
  • the limit part can prevent the pump ball from detaching from the lower end of the pump chamber; at the same time, the limit part can limit the pressing distance of the pump rod, so that the conical cap can better match with the annular structure of the plastic ring to achieve elastic expansion and contraction .
  • a liquid introduction tube 9 is further provided on the pump body 1 and below the one-way valve 5.
  • the plastic ring 8 is an elastic plastic ring, which facilitates its contraction and expansion, replaces a spring to achieve elastic reset, and is environmentally friendly.

Landscapes

  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

一种全塑自锁泵，包括伸入瓶体内的泵体（1），泵体（1）上设置有泵室（2），泵室（2）内设置有抽吸组件（4），泵室（2）的下端设置有单向阀（5），泵室（2）内并位于单向阀（5）的上方设置有塑料环形件（8），且塑料环形件（8）的侧面设置有开口（81），抽吸组件（4）上端连接有按钮（6），泵室（2）上设置有自锁锁紧盖（7），按钮（6）与自锁锁紧盖（7）之间设有锁定机构，在按钮（6）从锁定位转动至解锁位后，按钮（6）能够被按压使得瓶体内的液体从按钮（6）出口喷出。该泵的泵室内设有塑料环形件代替金属弹簧实现弹性伸缩，所有零部件均采用全塑材质，节能环保，且可以防止误按按钮造成液体泄漏。

Description

一种全塑自锁泵 【技术领域】
本发明涉及一种全塑自锁泵。
【背景技术】
乳液泵又叫做按压式乳液泵，是一种利用大气平衡的原理，通过按压将瓶内的料液泵出，并将外界的大气补入瓶内的一种液体分配器。
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；而且传统的乳液泵的抽吸组件的弹簧采用金属弹簧，在泵室内会与乳液直接接触，当复位弹簧生锈后会对液体造成污染，不卫生；而且现有的乳液泵在使用的过程中按钮很容易被误按而造成浪费或给使用者带来不便。
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全塑自锁泵，采用塑料环形件，通过自身的舒张和收缩来充当弹力代替常规的金属弹簧实现全塑乳液泵，而且在不使用时可以通过将按钮旋转实现自锁，既环保又卫生。
为解决上述技术问题，本发明采用了下述技术方案：一种全塑自锁泵，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钮，所述的泵室上设置有能防止抽吸组件脱离泵室的自锁锁紧盖，所述泵室内并位于单向阀的上方设置有能在抽吸组件下压后能使抽吸组件复位的塑料环形件，且塑料环形件的侧面设置有开口；所述的按钮所停留的位置包括锁定位和解锁位，所述的按钮与自锁锁紧盖之间设有当按钮停留在锁定位时能阻止按按钮向下移动的锁定机构，在按钮从锁定位转动至解锁位后，按钮能够被按压使得瓶体内的液体从按钮出口喷出。
如上所述的一种全塑自锁泵，其特征在于，所述的抽吸组件包括有能穿过自锁锁紧盖且具有抽吸通道的泵杆，所述的泵杆上设置有连通抽吸通道与泵室的进液口，所述泵杆的外侧套设有能相对其滑动并能密封进液口的活塞，所述泵杆的下端连接有能伸入至塑料环形件内的锥形帽。
如上所述的一种全塑自锁泵，其特征在于，所述的锁定机构包括有设置在按钮上的定位凸筋，所述的自锁锁紧盖具有能与定位凸筋相抵靠进而防止按钮下移的平台，所述的自锁锁紧盖上还设置有当按钮转动至解锁位时能够容纳所述定位凸筋的容纳槽。
如上所述的一种全塑自锁泵，其特征在于，所述的泵杆并位于进液口的上方外壁设置有上限位凸筋，所述的泵杆并位于进液口的下方外壁设置有下限位凸环，所述的活塞位于上限位凸筋与下限位凸环之间。
如上所述的一种全塑自锁泵，其特征在于，所述的泵室的下端呈锥形，所述的单向阀为设置在泵室下端的泵珠。
如上所述的一种全塑自锁泵，其特征在于，所述泵室并位于单向阀的上方设置有能防止单向阀脱出并限制锥形帽下移的限位部。
如上所述的一种全塑自锁泵，其特征在于，所述的泵体上内并位于单向阀的下方还设置有引液管。
如上所述的一种全塑自锁泵，其特征在于，所述的塑料环形件为弹性塑料环形件。
与现有技术相比，本发明的一种全塑自锁泵，达到了如下的技术效果：
本发明的泵室内并位于单向阀的上方设置有能在抽吸组件下压后能使抽吸组件复位的塑料环形件，塑料环形件为弹性塑料环形件，且塑料环形件的侧面设置有开口，当抽吸组件下端伸入至塑料环形件时，开口打开，整个塑料环形件处于张开状态，当松开按钮时，塑料环形件由于自身的弹性作用进行收缩，开口关闭，进而将抽吸组件向上挤出，塑料弹性件代替金属弹簧实现弹性伸缩，所有零部件均采用全塑材质，节能环保，可不用拆卸直接回收，回收效率高，适用范围 广；而且按钮所停留的位置包括锁定位和解锁位，在不使用时可以通过旋转按钮将其锁定，防止误按按钮造成液体泄漏。
【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为本发明的立体图；
图2为本发明的剖面视图；
图3为本发明的爆炸图；
图4为图2中A处的放大图；
图5为本发明按钮的立体图；
图6为本发明自锁锁紧盖的立体图。
【具体实施方式】
下面将参照图1至6对本发明的具体实施方式进行详细描述。应当了解，附图中所示的仅仅是本发明的较佳实施例，并不构成对本发明的范围的限制。本领域的技术人员可以在附图所示的较佳实施例的基础上对本发明进行各种显而易见的修改、变型、等效替换，并且在不相矛盾的前提下，在以下所描述的不同实施例中的技术特征可以任意组合，而这些都落在本发明的保护范围之内。
如图1至图6所示，一种全塑自锁泵，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5；所述抽吸组件4上端连接有能驱动抽吸组件4工作的按钮6，通过按压按钮，可以将瓶体内的液体从抽吸组件内吸出，所述的泵室2上设置有能防止抽吸组件4脱离泵室2的自锁锁紧盖7，所述泵室2内并位于单向阀5的上方设置有能在抽吸组件4下压后能使抽吸组件4复位的塑料环形件8，且塑料环形件8的侧面设置有开口81；所述的按钮6所停留的位置包括锁定位和解锁位，所述的按钮6与自锁锁紧盖7之间设有当按钮6停留在锁定位时能阻止按按钮6向下移动的锁定机构，在按钮6从锁定位转动至解锁位后，按钮6能够被按压使得瓶体内的液体从按钮6出口喷出，在本实施例中，塑料环形件为弹性塑料环形件，弹力更好，塑料环形件的上端向内侧弯曲，可以与泵杆下端的锥形结构进行斜面配合，且塑料环形件的侧面设置有开口81，设置开口可以使从单向阀出来的液体从开口处进入到泵室内，同时可以实现塑料环形件的张开与收缩。本发明的泵室内设置有可供抽吸组件下端插入并能使其复位的塑料环形件，且环形结构的侧面设置有开口，当抽吸组件下端伸入至塑料环形件时，开口打开，整个塑料环形件处于张开状态，当松开按钮时，塑料环形件由于自身的弹性作用进行收缩，开口关闭，进而将抽吸组件向上挤出，塑料弹性件代替金属弹簧实现弹性伸缩，所有零部件均采用全塑材质，节能环保，适用范围广；同时由于按钮所停留的位置包括锁定位和解锁位，在不使用时可以通过旋转按钮将 其锁定，防止误按按钮造成液体泄漏。
如图1至图6所示，在本实施例中，所述的抽吸组件4包括有能穿过自锁锁紧盖7且具有抽吸通道411的泵杆41，所述的泵杆41上设置有连通抽吸通道411与泵室2的进液口412，所述泵杆41的外侧套设有能相对其滑动并能密封进液口412的活塞42，所述泵杆41的下端连接有能伸入至塑料环形件8内的锥形帽43，通过锥形帽与塑料环形件的配合，可以很好的实现塑料环形件的收缩与张开，便于泵杆的下压与复位。
如图1至图6所示，在本实施例中，所述的锁定机构包括有设置在按钮6上的定位凸筋61，所述的自锁锁紧盖7具有能与定位凸筋61相抵靠进而防止按钮6下移的平台71，所述的自锁锁紧盖7上还设置有当按钮6转动至解锁位时能够容纳所述定位凸筋61的容纳槽72。当按钮上的定位凸筋转动到自锁锁紧盖的容纳槽位置时，按钮可以下压，当按钮上的定位凸筋转动到自锁锁紧盖上的平台位置时，由于平台与定位凸筋相抵靠，限制按钮下压，实现自锁。
如图1至图6所示，在本实施例中，所述的泵杆41并位于进液口412的上方外壁设置有上限位凸筋413，所述的泵杆41并位于进液口412的下方外壁设置有下限位凸环414，所述的活塞42位于上限位凸筋413与下限位凸环414之间，活塞与上限位凸筋413相接触时，进液口412处于打开状态，活塞与下限位凸环414相接触时，进液口412被活塞密封。
如图1至图6所示，在本实施例中，所述的泵室2的下端呈锥形， 所述的单向阀5为设置在泵室2下端的泵珠。
如图1至图6所示，在本实施例中，所述泵室2内并位于单向阀5的上方设置有能防止单向阀5脱出并限制锥形帽43下移的限位部21。限位部可以防止泵珠从泵室的下端脱离；同时设置限位部可以限制泵杆的下压距离，使得锥形帽能与塑料环形件的环形结构更好的配合，实现弹性伸张与收缩。
如图1至图6所示，在本实施例中，所述的泵体1上并位于单向阀5的下方还设置有引液管9。
如图1至图6所示，在本实施例中，所述的塑料环形件8为弹性塑料环形件，便于自身的收缩与张开，代替弹簧实现弹性复位，材料环保。
使用时，先将按钮旋转，使其转动到解锁位，此时，第一次向下按压按钮，抽吸组件跟随按钮向下运动，活塞将泵室内的气体从进液口压入到抽吸通道内，将气体排出，此时泵室处于负压状态，松开手后，抽吸组件在塑料环形件的弹性力下向上运动，由于泵室内的压力小于瓶体内的压力，此时，单向阀打开，瓶内的乳液进入到泵室内，当泵室内的气压与瓶内的气压相等时，单向阀关闭，再次按压按钮，活塞向下运动挤压泵室，此时，乳液从进液口进入到抽吸通道内，然后从按钮流出。
上述实施例只是发明的优选方案，本发明还可有其他实施方案，如将多个实施例中记载的技术方案进行合理的组合。本领域的技术人员在不违背本发明精神的前提下还可作出等同变形或替换，这些等同 的变型或替换均包含在本申请权利要求所设定的范围内。

Claims (8)

  1. 一种全塑自锁泵，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(5)；所述抽吸组件(4)上端连接有能驱动抽吸组件(4)工作的按钮(6)，所述的泵室(2)上设置有能防止抽吸组件(4)脱离泵室(2)的自锁锁紧盖(7)，所述泵室(2)内并位于单向阀(5)的上方设置有能在抽吸组件(4)下压后能使抽吸组件(4)复位的塑料环形件(8)，且塑料环形件(8)的侧面设置有开口(81)；所述的按钮(6)所停留的位置包括锁定位和解锁位，所述的按钮(6)与自锁锁紧盖(7)之间设有当按钮(6)停留在锁定位时能阻止按按钮(6)向下移动的锁定机构，在按钮(6)从锁定位转动至解锁位后，按钮(6)能够被按压使得瓶体内的液体从按钮(6)出口喷出。
  2. 根据权利要求1所述的一种全塑自锁泵，其特征在于，所述的抽吸组件(4)包括有能穿过自锁锁紧盖(7)且具有抽吸通道(411)的泵杆(41)，所述的泵杆(41)上设置有连通抽吸通道(411)与泵室(2)的进液口(412)，所述泵杆(41)的外侧套设有能相对其滑动并能密封进液口(412)的活塞(42)，所述泵杆(41)的下端连接有能伸入至塑料环形件(8)内的锥形帽(43)。
  3. 根据权利要求1所述的一种全塑自锁泵，其特征在于，所述的锁定机构包括有设置在按钮(6)上的定位凸筋(61)，所述的自锁 锁紧盖(7)具有能与定位凸筋(61)相抵靠进而防止按钮(6)下移的平台(71)，所述的自锁锁紧盖(7)上还设置有当按钮(6)转动至解锁位时能够容纳所述定位凸筋(61)的容纳槽(72)。
  4. 根据权利要求2所述的一种全塑自锁泵，其特征在于，所述的泵杆(41)并位于进液口(412)的上方外壁设置有上限位凸筋(413)，所述的泵杆(41)并位于进液口(412)的下方外壁设置有下限位凸环(414)，所述的活塞(42)位于上限位凸筋(413)与下限位凸环(414)之间。
  5. 根据权利要求1所述的一种全塑自锁泵，其特征在于，所述的泵室(2)的下端呈锥形，所述的单向阀(5)为设置在泵室(2)下端的泵珠。
  6. 根据权利要求2所述的一种全塑自锁泵，其特征在于，所述泵室(2)内并位于单向阀(5)的上方设置有能防止单向阀(5)脱出并限制锥形帽(43)下移的限位部(21)。
  7. 根据权利要求1所述的一种全塑自锁泵，其特征在于，所述的泵体(1)上并位于单向阀(5)的下方还设置有引液管(9)。
  8. 根据权利要求1所述的一种全塑自锁泵，其特征在于，所述的塑料环形件(8)为弹性塑料环形件。
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