WO2021073040A1 - 一种微型弹簧外置型香水泵结构 - Google Patents

一种微型弹簧外置型香水泵结构 Download PDF

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Publication number
WO2021073040A1
WO2021073040A1 PCT/CN2020/080653 CN2020080653W WO2021073040A1 WO 2021073040 A1 WO2021073040 A1 WO 2021073040A1 CN 2020080653 W CN2020080653 W CN 2020080653W WO 2021073040 A1 WO2021073040 A1 WO 2021073040A1
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Prior art keywords
pump
rod
suction
pump rod
liquid
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PCT/CN2020/080653
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English (en)
French (fr)
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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 WO2021073040A1 publication Critical patent/WO2021073040A1/zh

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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
    • 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
    • A45D34/02—Scent flasks, e.g. with evaporator
    • 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
    • A45D2200/056—Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated

Definitions

  • the invention relates to a miniature sprayer, in particular to a miniature spring external perfume pump structure.
  • micro-sprayer products can atomize and spray the liquid in the container by pressing a button or nozzle; its working principle is: using the principle of atmospheric pressure balance, the piston moves in the pump body to make the pump The gas flows in the body, the pressure becomes smaller, and the pressure outside the pump remains unchanged. The pressure difference between the inside and outside of the pump is generated. Through the pressure difference, the liquid will flow out of the pump body. When the liquid encounters a high-speed airflow, it will be atomized instantly; Principle: In the same fluid, the flow rate is large, the pressure is small; the flow rate is small, the pressure is strong.
  • Some of the micro sprayers with pressing head caps are mainly used in perfume spraying in the beauty field, or called perfume pumps.
  • the perfume pump is generally installed at the opening of the container, and is used to discharge the liquid in the container for use through the manual pressing operation of the user.
  • the present invention is based on the above shortcomings.
  • the technical problem to be solved by the present invention is to provide a micro spring external perfume pump structure with simple structure and low cost.
  • a micro-spring external perfume pump structure which is characterized in that it includes a pump body 1 extending into the bottle body 10, and a pump chamber is provided on the pump body 1 2.
  • the pump chamber 2 is provided with a suction assembly 3 that can move up and down to pump the liquid in the bottle upwards.
  • the pump body 1 is connected to the upper end of the pump chamber 2 to prevent pumping.
  • the locking cover 4 where the suction assembly 3 is detached from the pump chamber 2.
  • the lower end of the pump chamber 2 is provided with a one-way valve 5 that only discharges the liquid in the bottle upward when the suction assembly 3 moves.
  • the suction assembly 3 is connected to the upper end with a button 6 capable of driving the suction assembly 3 to work, a bayonet cap 7 capable of limiting the pressing position of the button 6 is arranged between the pump body 1 and the bottle body 10, and the suction assembly 3 includes There is an upper pump rod 31 that can pass through the lock cover 4 and has a suction channel 311, a spring 32 is arranged between the button 6 and the lock cover 4, and a lower pump rod is connected to the lower end of the upper pump rod 31 33.
  • the upper end of the lower pump rod 33 extends into the suction channel 311 and is fixedly connected to the upper pump rod 31, and the suction channel is formed between the outer side of the lower pump rod 33 and the inner wall of the upper pump rod 31 311 communicating liquid flow channel 301; the outer side of the upper pump rod 31 is sleeved with a suction plug 34 that can move relative to the upper pump rod 31 and cooperate with the lower pump rod 33 to block liquid from entering the liquid flow channel 301.
  • the above-mentioned micro-spring external perfume pump structure is characterized in that the lower pump rod 33 includes a bearing portion 331 capable of abutting against the lower end of the suction plug 34, and the upper end of the bearing portion 331 is provided with a A convex post 332 that extends into the suction channel 311 and closely fits the inner wall of the suction channel 311.
  • the outer side wall of the convex post 332 is provided with a first liquid inlet groove 333 along the vertical direction; the supporting portion A boss 334 capable of abutting against the lower end of the upper pump rod 31 is provided on the 331, and a second liquid inlet groove 335 communicating with the first liquid inlet groove 333 is opened on the boss 334, and the liquid flow channel 301 It is composed of a first liquid inlet tank 333 and a second liquid inlet tank 335.
  • the above-mentioned micro-spring external perfume pump structure is characterized in that the upper pump rod 31 is provided with a pusher that can touch the suction plug 34 when it drops a certain distance to push the suction plug 34 downward.
  • the locking cover 4 is provided with a limiting portion 41 that can abut against the upper end of the pushing portion 312 to restrict the upper pump rod 31 from leaving the pump chamber 2.
  • the above-mentioned micro-spring external perfume pump structure is characterized in that the bayonet cap 7 includes a ring-shaped shell 71 that can be fixedly connected to the bottle body 10, and the inner side wall of the ring-shaped shell 71 is provided with An annular plate 72 extending inwardly, the annular plate 72 is arranged between the upper end of the bottle body 10 and the pump body 1.
  • the structure of a micro-spring external perfume pump as described above is characterized in that the pump body 1 is provided with a ventilation port 11 communicating with the pump chamber 2.
  • the above-mentioned micro-spring external perfume pump structure is characterized in that 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.
  • the structure of a micro-spring external perfume pump as described above is characterized in that a liquid introduction tube 8 is further provided under the pump body 1.
  • the structure of a miniature spring external perfume pump provided by the present invention achieves the following effects:
  • the structure of the present invention is simple and adopts a structure with an external spring.
  • the suction assembly moves up and down to suck the liquid into the pump chamber below the suction plug, the spring will not stick to the liquid, avoiding direct contact between the spring and the liquid in the pump chamber , Resulting in liquid pollution, clean and sanitary, fast air pump speed, stable ejection, and good spraying effect.
  • the upper pump rod of the present invention is fixedly connected with the lower pump rod, and a liquid flow channel communicating with the suction channel is formed between the outer side of the lower pump rod and the inner wall of the upper pump rod, which is convenient to manufacture and assemble.
  • Figure 1 is a perspective view of the present invention
  • Figure 2 is an exploded view of the present invention
  • Figure 3 is a cross-sectional view of the present invention in a normal state
  • Figure 4 is an enlarged view of A in Figure 3;
  • Figure 5 is a cross-sectional view of the present invention when the button is pressed down
  • Figure 6 is a structural diagram of the lower pump rod of the present invention.
  • a miniature spring external perfume pump structure includes a pump body 1 extending into the bottle body 10.
  • the pump body 1 is provided with a pump chamber 2, and the pump chamber 2 is provided There is a suction assembly 3 that can move up and down to draw the liquid in the bottle upwards.
  • the pump body 1 is connected to the upper end of the pump chamber 2 to prevent the suction assembly 3 from falling out of the pump chamber 2.
  • the lower end of the pump chamber 2 is provided with a one-way valve 5 that only discharges the liquid in the bottle upward when the suction assembly 3 moves, and the upper end of the suction assembly 3 is connected with a driving suction assembly 3
  • the working button 6 is provided between the pump body 1 and the bottle body 10 with a bayonet cover 7 that can limit the pressing position of the button 6, and the suction assembly 3 includes a lock cover 4 that can pass through and has
  • the upper pump rod 31 of the suction channel 311 is provided with a spring 32 between the button 6 and the locking cover 4, the lower end of the upper pump rod 31 is connected with a lower pump rod 33, and the upper end of the lower pump rod 33 It extends into the suction channel 311 and is fixedly connected with the upper pump rod 31, and a liquid flow channel 301 communicating with the suction channel 311 is formed between the outer side of the lower pump rod 33 and the inner wall of the upper pump rod 31;
  • the outer side of the upper pump rod 31 is sheathed with a suction plug 34 that can
  • the invention has a simple structure and adopts a structure with an external spring.
  • the suction assembly moves up and down to suck the liquid into the pump chamber below the suction plug, the spring will not stick to the liquid, avoiding direct contact between the spring and the liquid in the pump chamber, resulting in Liquid pollution, clean and sanitary, fast air pump speed, stable ejection volume, good spray effect, and the upper pump rod is fixedly connected with the lower pump rod, and the suction channel is formed between the outer side of the lower pump rod and the inner wall of the upper pump rod.
  • the liquid flow channel is easy to process and manufacture, and the assembly is simple.
  • the lower pump rod 33 includes a bearing portion 331 that can abut against the lower end of the suction plug 34, and the upper end of the bearing portion 331 is provided with a
  • the suction channel 311 and the convex post 332 that closely fits the inner wall of the suction channel 311, the upper pump rod and the lower pump rod are fixedly connected, which is convenient for processing and manufacturing, and only the lower pump rod needs to be inserted into the suction channel during installation.
  • the outer side wall of the convex column 332 is provided with a first liquid inlet groove 333 along the vertical direction; the supporting portion 331 is provided with a boss 334 capable of abutting against the lower end of the upper pump rod 31, and the boss 334
  • a second liquid inlet groove 335 communicating with the first liquid inlet groove 333, and the liquid flow channel 301 is composed of a first liquid inlet groove 333 and a second liquid inlet groove 335 to ensure that the liquid can flow smoothly from The pump chamber enters the suction channel.
  • the upper pump rod 31 is provided with a pushing portion 312 that can touch the suction plug 34 when it drops a certain distance to push the suction plug 34 to move downward.
  • the locking cover 4 is provided with a limiting portion 41 capable of abutting against the upper end of the pushing portion 312 to restrict the upper pump rod 31 from being separated from the pump chamber 2.
  • the bayonet cap 7 includes a ring-shaped housing 71 that can be fixedly connected to the bottle body 10, and the inner side wall of the ring-shaped housing 71 is provided with an inner side wall extending inwardly.
  • the annular plate 72 is arranged between the upper end of the bottle body 10 and the pump body 1; the annular plate is used to define the path for pressing the button down.
  • the pump body 1 is provided with a ventilation port 11 communicating with the pump chamber 2; the pressure in the bottle body can be kept consistent with the outside of the bottle body.
  • 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 liquid introduction tube 8 is further provided under the pump body 1.
  • the suction component When in use, press the button down, the suction component will move down with the button, and the lower pump rod will move down together with the upper pump rod. At this time, the liquid flow channel 301 is opened, and the suction plug pushes the gas in the pump chamber into the suction channel. At this time, the pump chamber is in a negative pressure state. After releasing the hand, the upper pump rod 31 moves upward under the elastic force of the spring 32, so that the suction plug cooperates with the lower pump rod to close the liquid flow channel. 2 The pressure inside the bottle is less than the pressure in the bottle. At this time, the one-way valve opens and the liquid in the bottle enters the pump chamber.
  • the one-way valve closes, press the button again to suck The plug moves downward to squeeze the pump chamber. At this time, the liquid enters the suction channel 311 from the liquid flow channel 301, and then the liquid is ejected.

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

Abstract

一种微型弹簧外置型香水泵结构，包括有伸入瓶体（10）内的泵体（1），泵体（1）上设有泵室（2），泵室（2）内设有抽吸组件（3），泵体（1）上并位于泵室（2）的上端连接有锁紧盖（4），泵室（2）的下端设置有单向阀（5），抽吸组件（3）上端连接有按钮（6），泵体（1）与瓶体（10）之间设置有卡口盖（7），抽吸组件（3）包括有上泵杆（31），按钮（6）与锁紧盖（4）之间设置有弹簧（32），上泵杆（31）的下端连接有下泵杆（33），下泵杆（33）的上端伸入抽吸通道（311）内并与上泵杆（31）固定连接，且下泵杆（33）的外侧与上泵杆（31）的内壁之间形成有液流通道（301）；上泵杆（31）的外侧套设有吸塞（34）。该泵结构简单，采用弹簧（32）外置的结构，避免弹簧（32）与泵室（2）内的液体直接接触，造成液体污染，气泵速度快，喷出量稳定，喷雾效果好。

Description

一种微型弹簧外置型香水泵结构 【技术领域】
本发明涉及微型喷雾器,尤其是一种微型弹簧外置型香水泵结构。
【背景技术】
目前，市场上销售的微型喷雾器产品很多，这些微型喷雾器通过按压按钮或喷头，可将容器内的液体雾化喷出；其工作原理是：利用大气压平衡原理，活塞在泵体中运动，使泵体内气体流动，压强变小，泵体外的压强不变，泵体内、外产生压强差，通过压强差将就液体导流出泵体，当液体碰到高速气流时瞬间雾化；即利用伯努利原理：同一流质中，流速大，压强小；流速小，压强大。这些喷雾器产品广泛地应用于养花、美发店、美容等领域，其中一些按压头帽的微型喷雾器，主要应用于美容领域的香水喷洒，或称为香水泵。香水泵一般是安装在容器的开口处，用于通过使用者的手动按压操作，将容器内的液体排出，以供使用。
但是现有的结构零件较多，加工制造复杂，使得组装极为不便，生产成本高；而且传统香水泵的抽吸组件的弹簧在泵室内会与液体直接接触，当弹簧生锈后会对液体造成污染，不卫生。
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，成本低的微型弹簧外置型香水泵结构。
为解决上述技术问题，本发明采用了下述技术方案：一种微型弹簧外置型香水泵结构，其特征在于，包括有伸入瓶体10内的泵体1，泵体1上设置有泵室2，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3，所述的泵体1上并位于泵室2的上端连接有能防止抽吸组件3从泵室2内脱出的锁紧盖4，所述泵室2的下端设置有在抽吸组件3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3上端连接有能驱动抽吸组件3工作的按钮6，所述的泵体1与瓶体10之间设置有能限定按钮6下压位置的卡口盖7，所述的抽吸组件3包括有能穿过锁紧盖4并具有抽吸通道311的上泵杆31，所述的按钮6与锁紧盖4之间设置有弹簧32，所述上泵杆31的下端连接有下泵杆33，所述下泵杆33的上端伸入抽吸通道311内并与上泵杆31固定连接，且下泵杆33的外侧与上泵杆31的内壁之间形成有与所述抽吸通道311相通的液流通道301；所述上泵杆31的外侧套设有能相对上泵杆31移动且能与下泵杆33配合阻断液体进入液流通道301的吸塞34。
如上所述的一种微型弹簧外置型香水泵结构，其特征在于，所述的下泵杆33包括有能与吸塞34下端相抵靠的承靠部331，承靠部331的上端设置有能伸入至抽吸通道311并与抽吸通道311的内壁紧密贴合的凸柱332，所述凸柱332的外侧壁沿竖直方向开设有第一进液槽 333；所述的承靠部331上设置能有与上泵杆31的下端相抵靠的凸台334，凸台334上开设有与所述第一进液槽333相通的第二进液槽335，所述的液流通道301由第一进液槽333和第二进液槽335构成。
如上所述的一种微型弹簧外置型香水泵结构，其特征在于，所述上泵杆31上设置有在其下降一定距离时能与吸塞34触碰而推动吸塞34向下运动的推动部312，所述的锁紧盖4上设置有能与推动部312的上端相抵靠进而限制上泵杆31脱离泵室2的限位部41。
如上所述的一种微型弹簧外置型香水泵结构，其特征在于，所述的卡口盖7包括有能与瓶体10固定连接的环形外壳71，所述的环形外壳71的内侧壁设置有向内侧延伸的环形板72，所述的环形板72设置在瓶体10上端与泵体1之间。
如上所述的一种微型弹簧外置型香水泵结构，其特征在于，所述泵体1上开设有连通泵室2的换气口11。
如上所述的一种微型弹簧外置型香水泵结构，其特征在于，所述泵室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。
如上所述的一种微型弹簧外置型香水泵结构，其特征在于，所述的泵体1的下方还设置有引液管8。
与现有技术相比，本发明提供的一种微型弹簧外置型香水泵结构，达到了如下效果：
1、本发明的结构简单，采用弹簧外置的结构，在抽吸组件上下运动而抽吸液体到吸塞下方的泵室内时，弹簧不会粘到液体，避免弹 簧与泵室内的液体直接接触，造成液体污染，干净卫生，气泵速度快，喷出量稳定，喷雾效果好。
2、本发明的上泵杆与下泵杆固定连接，下泵杆的外侧与上泵杆的内壁之间形成有与抽吸通道相通的液流通道，加工制造方便，组装简单。
【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为本发明的爆炸图；
图3为本发明在正常状态下的剖视图；
图4为图3中A处的放大图；
图5为本发明在按钮下压状态下的剖视图；
图6为本发明下泵杆的结构图。
【具体实施方式】
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6所示，一种微型弹簧外置型香水泵结构，包括有伸入瓶体10内的泵体1，泵体1上设置有泵室2，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3，所述的泵体1 上并位于泵室2的上端连接有能防止抽吸组件3从泵室2内脱出的锁紧盖4，所述泵室2的下端设置有在抽吸组件3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3上端连接有能驱动抽吸组件3工作的按钮6，所述的泵体1与瓶体10之间设置有能限定按钮6下压位置的卡口盖7，所述的抽吸组件3包括有能穿过锁紧盖4并具有抽吸通道311的上泵杆31，所述的按钮6与锁紧盖4之间设置有弹簧32，所述上泵杆31的下端连接有下泵杆33，所述下泵杆33的上端伸入抽吸通道311内并与上泵杆31固定连接，且下泵杆33的外侧与上泵杆31的内壁之间形成有与所述抽吸通道311相通的液流通道301；所述上泵杆31的外侧套设有能相对上泵杆31移动且能与下泵杆33配合阻断液体进入液流通道301的吸塞34。本发明的结构简单，采用弹簧外置的结构，在抽吸组件上下运动而抽吸液体到吸塞下方的泵室内时，弹簧不会粘到液体，避免弹簧与泵室内的液体直接接触，造成液体污染，干净卫生，气泵速度快，喷出量稳定，喷雾效果好，而且上泵杆与下泵杆固定连接，下泵杆的外侧与上泵杆的内壁之间形成有与抽吸通道相通的液流通道，加工制造方便，组装简单。
如图1至图6所示，在本实施例中，所述的下泵杆33包括有能与吸塞34下端相抵靠的承靠部331，承靠部331的上端设置有能伸入至抽吸通道311并与抽吸通道311的内壁紧密贴合的凸柱332，上泵杆与下泵杆固定连接，加工制造方便，安装时只需要将下泵杆插入至抽吸通道内即可，所述凸柱332的外侧壁沿竖直方向开设有第一进液槽333；所述的承靠部331上设置能有与上泵杆31的下端相抵靠 的凸台334，凸台334上开设有与所述第一进液槽333相通的第二进液槽335，所述的液流通道301由第一进液槽333和第二进液槽335构成，保证液体能顺利的从泵室进入到抽吸通道内。
如图1至图6所示，在本实施例中，所述上泵杆31上设置有在其下降一定距离时能与吸塞34触碰而推动吸塞34向下运动的推动部312，所述的锁紧盖4上设置有能与推动部312的上端相抵靠进而限制上泵杆31脱离泵室2的限位部41。
如图1至图6所示，在本实施例中，所述的卡口盖7包括有能与瓶体10固定连接的环形外壳71，所述的环形外壳71的内侧壁设置有向内侧延伸的环形板72，所述的环形板72设置在瓶体10上端与泵体1之间；环形板用于限定按钮下压的路径。
如图1至图6所示，在本实施例中，所述泵体1上开设有连通泵室2的换气口11；可以使瓶体内的压强与瓶体外部保持一致。
如图1至图6所示，在本实施例中，所述泵室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，所述的泵体1的下方还设置有引液管8。
使用时，向下按压按钮，抽吸组件跟随按钮向下运动，下泵杆跟随上泵杆一同向下运动，此时液流通道301打开，吸塞将泵室内的气体压入到抽吸通道内，将气体排出，此时泵室处于负压状态，松开手后，上泵杆31在弹簧32的弹性力下向上运动，使得吸塞与下泵杆配合关闭液流通道，由于泵室2内的压力小于瓶体内的压力，此时，单向 阀打开，瓶内的液体进入到泵室内，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，吸塞向下运动挤压泵室，此时，液体从液流通道301进入到抽吸通道311内，然后喷出液体。

Claims (7)

  1. 一种微型弹簧外置型香水泵结构，其特征在于，包括有伸入瓶体(10)内的泵体(1)，泵体(1)上设置有泵室(2)，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(3)，所述的泵体(1)上并位于泵室(2)的上端连接有能防止抽吸组件(3)从泵室(2)内脱出的锁紧盖(4)，所述泵室(2)的下端设置有在抽吸组件(3)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(3)上端连接有能驱动抽吸组件(3)工作的按钮(6)，所述的泵体(1)与瓶体(10)之间设置有能限定按钮(6)下压位置的卡口盖(7)，所述的抽吸组件(3)包括有能穿过锁紧盖(4)并具有抽吸通道(311)的上泵杆(31)，所述的按钮(6)与锁紧盖(4)之间设置有弹簧(32)，所述上泵杆(31)的下端连接有下泵杆(33)，所述下泵杆(33)的上端伸入抽吸通道(311)内并与上泵杆(31)固定连接，且下泵杆(33)的外侧与上泵杆(31)的内壁之间形成有与所述抽吸通道(311)相通的液流通道(301)；所述上泵杆(31)的外侧套设有能相对上泵杆(31)移动且能与下泵杆(33)配合阻断液体进入液流通道(301)的吸塞(34)。
  2. 根据权利要求1所述的一种微型弹簧外置型香水泵结构，其特征在于，所述的下泵杆(33)包括有能与吸塞(34)下端相抵靠的承靠部(331)，承靠部(331)的上端设置有能伸入至抽吸通道(311)并与抽吸通道(311)的内壁紧密贴合的凸柱(332)，所述凸柱(332)的外侧壁沿竖直方向开设有第一进液槽(333)；所述的承靠部(331)上设置能有与上泵杆(31)的下端相抵靠的凸台(334)，凸台(334) 上开设有与所述第一进液槽(333)相通的第二进液槽(335)，所述的液流通道(301)由第一进液槽(333)和第二进液槽(335)构成。
  3. 根据权利要求1所述的一种微型弹簧外置型香水泵结构，其特征在于，所述上泵杆(31)上设置有在其下降一定距离时能与吸塞(34)触碰而推动吸塞(34)向下运动的推动部(312)，所述的锁紧盖(4)上设置有能与推动部(312)的上端相抵靠进而限制上泵杆(31)脱离泵室(2)的限位部(41)。
  4. 根据权利要求1所述的一种微型弹簧外置型香水泵结构，其特征在于，所述的卡口盖(7)包括有能与瓶体(10)固定连接的环形外壳(71)，所述的环形外壳(71)的内侧壁设置有向内侧延伸的环形板(72)，所述的环形板(72)设置在瓶体(10)上端与泵体(1)之间。
  5. 根据权利要求1所述的一种微型弹簧外置型香水泵结构，其特征在于，所述泵体(1)上开设有连通泵室(2)的换气口(11)。
  6. 根据权利要求1所述的一种微型弹簧外置型香水泵结构，其特征在于，所述泵室(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。
  7. 根据权利要求1所述的一种微型弹簧外置型香水泵结构，其特征在于，所述的泵体(1)的下方还设置有引液管(8)。
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