CN110664090A - Miniature perfume pump structure with external spring - Google Patents

Abstract

The invention discloses a structure of a miniature spring external perfume pump, which comprises a pump body extending into a bottle body, a pump chamber is arranged on the pump body, a suction component is arranged in the pump chamber, and the pump body is connected to the upper end of the pump chamber. There is a locking cover, the lower end of the pump chamber is provided with a one-way valve, the upper end of the suction component is connected with a button, a bayonet cover is arranged between the pump body and the bottle body, and the suction component includes an upper pump rod, a button and a locking cover. A spring is arranged between them, the lower end of the upper pump rod is connected with a lower pump rod, the upper end of the lower pump rod extends into the suction channel and is fixedly connected with the upper pump rod, and the outer side of the lower pump rod and the inner wall of the upper pump rod are between A liquid flow channel is formed; a suction plug is sleeved on the outer side of the upper pump rod. The present invention has a simple structure, adopts a structure with an external spring, avoids direct contact between the spring and the liquid in the pump chamber, and causes liquid pollution, is clean and hygienic, has fast air pump speed, stable ejection volume and good spray effect.

Description

Structure of a miniature spring external perfume pump

【Technical field】

The invention relates to a miniature sprayer, in particular to a miniature spring externally mounted perfume pump structure.

【Background technique】

At present, there are many micro-sprayers on the market. These micro-sprayers can spray the liquid in the container by pressing the button or the nozzle. The working principle is: using the principle of atmospheric pressure balance, the piston moves in the pump body to make the pump When the gas flows in the body, the pressure becomes smaller, the pressure outside the pump remains unchanged, and a pressure difference occurs between the inside and outside of the pump. The liquid is guided out of the pump body through the pressure difference. Principle: In the same fluid, the flow rate is large, the pressure is small; the flow rate is small, the pressure is strong. These sprayer products are widely used in flowers, hair salons, beauty and other fields, some of which are micro sprayers that press the head cap, mainly used for 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 by the user's manual pressing operation.

However, the existing structural parts are many, and the processing and manufacturing are complicated, which makes the assembly extremely inconvenient and the production cost is high; and the spring of the suction component of the traditional perfume pump will be in direct contact with the liquid in the pump chamber, and when the spring is rusted, it will cause damage to the liquid. Polluted and unsanitary.

The present invention is based on the above disadvantages.

[Content of the invention]

The technical problem to be solved by the present invention is to provide a miniature spring external perfume pump structure with simple structure and low cost.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme: a miniature spring external perfume pump structure, characterized in that it includes a pump body 1 extending into the bottle body 10, and the pump body 1 is provided with a pump chamber 2. The pump chamber 2 is provided with a suction assembly 3 that can move up and down in it to extract the liquid in the bottle upwards. The locking cover 4 for the suction assembly 3 to come 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. 3. The upper end is connected with a button 6 that can drive the suction assembly 3 to work, and a bayonet cover 7 that can limit the depressed position of the button 6 is provided between the pump body 1 and the bottle body 10. The suction assembly 3 includes There is an upper pump rod 31 that can pass through the locking cover 4 and has a suction channel 311, a spring 32 is provided between the button 6 and the locking cover 4, and the lower end of the upper pump rod 31 is connected with a lower pump rod 33, the upper end of the lower pump rod 33 extends into the suction channel 311 and is fixedly connected with the upper pump rod 31, and the outer side of the lower pump rod 33 and the inner wall of the upper pump rod 31 are formed with the suction channel. 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 .

As mentioned above, the structure of a miniature spring external perfume pump is characterized in that, 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 bearing portion 331 . A convex column 332 extending into the suction channel 311 and closely fitting with the inner wall of the suction channel 311, the outer side wall of the convex column 332 is provided with a first liquid inlet groove 333 in the vertical direction; the bearing part 331 is provided with a boss 334 that can abut against the lower end of the upper pump rod 31, the boss 334 is provided with a second liquid inlet 335 communicated with the first liquid inlet 333, the liquid flow channel 301 It consists of a first liquid inlet tank 333 and a second liquid inlet tank 335 .

A kind of micro-spring external perfume pump structure as mentioned above, it is characterized in that, the upper pump rod 31 is provided with a pusher that can touch the suction plug 34 and push the suction plug 34 to move downward when it descends a certain distance 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 being separated from the pump chamber 2 .

The structure of a miniature spring external perfume pump as described above is characterized in that the bayonet cover 7 includes an annular casing 71 that can be fixedly connected with the bottle body 10, and the inner side wall of the annular casing 71 is provided with The 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 miniature spring external perfume pump as described above is characterized in that the pump body 1 is provided with a ventilation port 11 which communicates with the pump chamber 2 .

As mentioned above, the structure of a miniature spring external perfume pump 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 .

As mentioned above, the structure of a miniature spring external perfume pump is characterized in that a liquid introduction tube 8 is also arranged below the pump body 1 .

Compared with the prior art, the structure of a miniature spring external perfume pump provided by the present invention achieves the following effects:

1. The structure of the present invention is simple, and the structure of the external spring is adopted. When 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 the direct contact between the spring and the liquid in the pump chamber. , causing liquid pollution, clean and hygienic, fast air pump, stable spray volume, good spray effect.

2. The upper pump rod and the lower pump rod of the present invention are fixedly connected, 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.

【Description of drawings】

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the perspective view of the present invention;

Fig. 2 is the exploded view of the present invention;

3 is a sectional view of the present invention in a normal state;

Fig. 4 is the enlarged view of A place in Fig. 3;

5 is a cross-sectional view of the present invention in a state where the button is pressed;

FIG. 6 is a structural diagram of the lower pump rod of the present invention.

【Detailed ways】

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in Figures 1 to 6, a miniature spring external perfume pump structure includes a pump body 1 extending into a bottle body 10, a pump chamber 2 is provided on the pump body 1, and the pump chamber 2 is provided with There is a suction assembly 3 that can move up and down in it to extract the liquid in the bottle upwards. The pump body 1 and the upper end of the pump chamber 2 are connected with a suction assembly 3 that can prevent the suction assembly 3 from coming out of the pump chamber 2. Lock the cover 4, 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 driveable suction assembly 3 The working button 6, the pump body 1 and the bottle body 10 are provided with a bayonet cover 7 that can define the depressed position of the button 6, and the suction assembly 3 includes a locking cover 4 that can pass through and has a The upper pump rod 31 of the suction channel 311, a spring 32 is provided 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 Extends into the suction channel 311 and is fixedly connected to the upper pump rod 31, and a liquid flow channel 301 that communicates 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 sleeved with a suction plug 34 that can move relative to the upper pump rod 31 and can cooperate with the lower pump rod 33 to block liquid from entering the liquid flow channel 301 . The structure of the present invention is simple, and the structure of the external spring is adopted. When the suction component moves up and down to suck the liquid into the pump chamber below the suction plug, the spring will not stick to the liquid, so as to avoid the direct contact between the spring and the liquid in the pump chamber, resulting in Liquid pollution, clean and hygienic, fast air pump speed, stable ejection volume, good spray effect, and the upper pump rod is fixedly connected with the lower pump rod, the outer side of the lower pump rod and the inner wall of the upper pump rod are formed with a suction channel. The liquid flow channel is convenient to process and manufacture, and the assembly is simple.

As shown in FIGS. 1 to 6 , in this embodiment, the lower pump rod 33 includes a bearing portion 331 that can abut against the lower end of the suction plug 34 . The suction channel 311 and the protruding column 332 that closely fits with the inner wall of the suction channel 311, the upper pump rod is fixedly connected with the lower pump rod, which is convenient for processing and manufacturing, and only needs to insert the lower pump rod into the suction channel during installation. , the outer side wall of the protruding column 332 is provided with a first liquid inlet groove 333 along the vertical direction; the bearing portion 331 is provided with a boss 334 that can abut against the lower end of the upper pump rod 31, and the boss 334 There is a second liquid inlet 335 connected to the first liquid inlet 333, and the liquid flow channel 301 is composed of the first liquid inlet 333 and the second liquid inlet 335 to ensure that the liquid can be smoothly The pump chamber enters the suction channel.

As shown in FIG. 1 to FIG. 6 , in this embodiment, the upper pump rod 31 is provided with a pushing portion 312 that can touch the suction plug 34 and push the suction plug 34 to move downward when the upper pump rod 31 descends for a certain distance. 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 being separated from the pump chamber 2 .

As shown in FIG. 1 to FIG. 6 , in this embodiment, the bayonet cover 7 includes an annular casing 71 that can be fixedly connected with the bottle body 10 , and the inner side wall of the annular casing 71 is provided with an inward extension The annular plate 72 is provided 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.

As shown in FIGS. 1 to 6 , in this embodiment, the pump body 1 is provided with a ventilation port 11 that communicates with the pump chamber 2 ; the pressure inside the bottle can be kept consistent with the outside of the bottle.

As shown in FIG. 1 to FIG. 6 , in this embodiment, the lower end of the pump chamber 2 is tapered, and the one-way valve 5 is a pump ball disposed at the lower end of the pump chamber 2 .

As shown in FIG. 1 to FIG. 6 , in this embodiment, a liquid introduction tube 8 is further provided below the pump body 1 .

When in use, press the button down, the suction component moves down with the button, the lower pump rod moves down with the upper pump rod, at this time the liquid flow channel 301 is opened, and the suction plug presses the gas in the pump chamber into the suction channel Inside, the gas is discharged, and 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 in the bottle is less than the pressure in the bottle. At this time, the one-way valve is opened, and the liquid in the bottle enters the pump chamber. When the air pressure in the pump chamber is equal to the air pressure in the bottle, the one-way valve is closed, and the button is pressed again. The plunger 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.

Claims (7)

1. A miniature spring external perfume pump structure is characterized in that, comprising a pump body (1) extending into the bottle body (10), the pump body (1) is provided with a pump chamber (2), the described The pump chamber (2) is provided with a suction assembly (3) that can move up and down in it to extract the liquid in the bottle upward, and the pump body (1) is connected to the upper end of the pump chamber (2). A locking cover (4) that can prevent the suction assembly (3) from coming out of the pump chamber (2), the lower end of the pump chamber (2) is provided with a liquid only in the bottle when the suction assembly (3) moves The one-way valve (5) discharged upward, the upper end of the suction assembly (3) is connected with a button (6) that can drive the suction assembly (3) to work, the pump body (1) and the bottle body (10) A bayonet cover (7) capable of defining the depressed position of the button (6) is arranged therebetween, and the suction assembly (3) includes a suction channel (311) that can pass through the locking cover (4) and has a suction channel (311). On the upper pump rod (31), a spring (32) is arranged between the button (6) and the locking cover (4), and the lower end of the upper pump rod (31) is connected with the lower pump rod (33), so The upper end of the lower pump rod (33) extends into the suction channel (311) and is fixedly connected with the upper pump rod (31), and the outer side of the lower pump rod (33) and the inner wall of the upper pump rod (31) are formed. There is a liquid flow channel (301) communicated with the suction channel (311); the outer side of the upper pump rod (31) is sleeved with a relative upper pump rod (31) that can move with the lower pump rod (33) Fit with a suction plug (34) that blocks the liquid from entering the liquid flow channel (301). 2. The structure of a miniature spring external perfume pump according to claim 1, wherein the lower pump rod (33) comprises a bearing portion (331) that can abut against the lower end of the suction plug (34). ), the upper end of the bearing portion (331) is provided with a protruding column (332) that can extend into the suction channel (311) and closely fit with the inner wall of the suction channel (311). The outer side wall is provided with a first liquid inlet groove (333) along the vertical direction; the bearing portion (331) is provided with a boss (334) that can abut against the lower end of the upper pump rod (31). (334) is provided with a second liquid inlet tank (335) communicating with the first liquid inlet tank (333), and the liquid flow channel (301) consists of the first liquid inlet tank (333) and the second liquid inlet tank (333). A liquid tank (335) is formed. 3. The structure of a miniature spring external perfume pump according to claim 1, wherein the upper pump rod (31) is provided with a suction plug (34) that can touch the suction plug (34) when it descends a certain distance. A push portion (312) that pushes the suction plug (34) to move downward, the locking cover (4) is provided with a push portion (312) that can abut against the upper end of the push portion (312) to restrict the upper pump rod (31) from leaving the pump chamber (2) of the limiting part (41). 4. The structure of a miniature spring external perfume pump according to claim 1, wherein the bayonet cover (7) comprises an annular shell (71) that can be fixedly connected with the bottle body (10), The inner side wall of the annular casing (71) is provided with an annular plate (72) extending inwardly, and the annular plate (72) is arranged between the upper end of the bottle body (10) and the pump body (1). 5 . The structure of a miniature spring external perfume pump according to claim 1 , wherein the pump body ( 1 ) is provided with a ventilation port ( 11 ) that communicates with the pump chamber ( 2 ). 6 . 6. The structure of a miniature spring external perfume pump according to claim 1, wherein the lower end of the pump chamber (2) is conical, and the one-way valve (5) is arranged in the pump chamber (2) The pump beads at the lower end. 7 . The structure of a miniature spring external perfume pump according to claim 1 , wherein a liquid introduction tube ( 8 ) is further provided below the pump body ( 1 ). 8 .

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