CN211130040U - Perfume pump with external spring - Google Patents

Abstract

The utility model discloses a spring external type 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 a locking cover is connected to the pump body, which is locked The cover is connected with an alumina bayonet; the lower end of the pump chamber is provided with a one-way valve, the upper end of the suction assembly is connected with a pressing part, the suction assembly includes an upper pump rod, and a main spring is arranged between the upper pump rod and the locking cover The upper pump rod is provided with a liquid inlet, the upper pump rod is connected with a lower pump rod, a suction plug is set on the outer side of the upper pump rod, and an auxiliary spring is arranged between the upper pump rod and the suction plug; A liquid inlet channel which can communicate with the pump chamber below the lower pump rod and the liquid inlet is formed between the plugs. The structure of the utility model is simple, and the structure of the external spring is adopted to avoid direct contact between the spring and the liquid in the pump chamber, resulting in liquid pollution; a main spring is arranged between the upper pump rod and the locking cover, and between the upper pump rod and the suction plug A secondary spring is also provided, and the double-spring structure is adopted, which makes the pumping speed fast.

Description

A spring external perfume pump

【Technical field】

The utility model relates to a miniature sprayer, in particular to a spring external perfume pump.

【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, the installation process is complicated, and the production cost is high. The spring of the suction component of the traditional perfume pump will be in direct contact with the liquid in the pump chamber. When the spring is rusted, it will cause pollution to the liquid, which is unsanitary; and Since there is only one spring, the air pump is slow and the spray effect is poor.

The present utility model is produced based on the above deficiencies.

【Content of utility model】

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

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: a spring external perfume pump, which is characterized in that it includes a pump body 1 extending into the bottle body, and the pump body 1 is provided with a pump chamber 2, so 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, and the pump body 1 is located at the upper end of the pump chamber 2. The locking cover 4 that comes out of the pump chamber 2 is connected with an alumina bayonet 5 that can fix it on the bottle body; the lower end of the pump chamber 2 is provided with a suction assembly 3. During the movement, only the one-way valve 6 of the liquid in the bottle is discharged upward, and the upper end of the suction assembly 3 is connected with a pressing part 7 that can drive the suction assembly 3 to work, and the suction assembly 3 includes a The upper pump rod 31 that locks the cover 4 and has a suction channel 311, a main spring 32 is arranged between the upper pump rod 31 and the locking cover 4, and the upper pump rod 31 is provided with a connection between the suction channel 311 and the upper pump rod 31. The liquid inlet 312 of the pump chamber 2, the upper pump rod 31 is connected with a lower pump rod 33 at the lower end of the liquid inlet 312, and the outer side of the upper pump rod 31 is sleeved with a movable relative to the upper pump rod 31. The suction plug 34 that can cooperate with the lower pump rod 33 to block the liquid from entering the suction channel 311 from the liquid inlet 312. A secondary spring 35 is arranged between the upper pump rod 31 and the suction plug 34; The spring 35 is located on the inner side of the main spring 32. When the suction assembly 3 moves down, a liquid inlet channel is formed between the lower pump rod 33 and the suction plug 34 that can communicate with the pump chamber 2 below the lower pump rod 33 and the liquid inlet 312. 301.

As described above, a spring external perfume pump is characterized in that, the outer side wall of the upper pump rod 31 is provided with a first protrusion 313 that can be used for the main spring 32 to lean against, and the outer side of the upper pump rod 31 A second protruding portion 314 is provided on the wall and located below the first protruding portion 313 for the auxiliary spring 35 to abut against.

As mentioned above, a spring external perfume pump is characterized in that, an annular groove 315 is provided on the upper pump rod 31 and below the liquid inlet 312, and an energy source 315 is provided on the lower pump rod 33. The snap portion 331 matched with the annular groove 315 .

The above-mentioned external spring perfume pump is characterized in that the lower end of the upper pump rod 31 is in a circular truncated structure, and the engaging portion 331 is provided with an inclined surface matched with the circular truncated structure.

As described above, a spring external perfume pump is characterized in that, the outer side wall of the upper end of the locking cover 4 is provided with a snap groove 41 into which the alumina bayonet 5 can be snapped.

As mentioned above, a spring external perfume pump is characterized in that, the pump body 1 is provided with a ventilation port 11 that communicates with the pump chamber 2, and the ventilation port 11 is sucked and plugged when the suction plug 34 is in the highest position. 34 closed.

The above-mentioned external spring perfume pump is characterized in that the pressing portion 7 includes a button 71 fixedly connected with the upper pump rod 31 , and an aluminum oxide cover 72 is sleeved on the outside of the button 71 .

The above-mentioned external spring perfume pump is characterized in that 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 .

As described above, a spring external perfume pump is characterized in that a liquid introduction pipe 8 is also provided below the pump body 1 .

The above-mentioned external spring perfume pump is characterized in that a gasket 9 is also arranged in the alumina bayonet 5 .

Compared with the prior art, the utility model provides a spring external perfume pump, which achieves the following effects:

1. The structure of the utility model 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 never stick to the liquid, so as to avoid the direct connection between the spring and the liquid in the pump chamber. Contact, causing liquid pollution, clean and hygienic; at the same time, a main spring is set between the upper pump rod and the locking cover, and a secondary spring is also set between the upper pump rod and the suction plug. The spray volume is stable and the spray effect is good.

2. The alumina bayonet and the locking cover of the present utility model fix the alumina bayonet through the snap groove provided on the locking cover, the structure is simple, the grasping process is reduced, the cost is low, the production efficiency is high, and the product quality is high. Stablize.

【Description of drawings】

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

Fig. 1 is the perspective view of the utility model;

Fig. 2 is the exploded view of the utility model;

3 is a sectional view of the utility model in a normal state;

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

FIG. 5 is a cross-sectional view of the present invention in the pressing state of the pressing portion.

【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 5, a spring external perfume 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 chamber 2 is provided with a The suction assembly 3 that moves up and down 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 locking cover 4 that can prevent the suction assembly 3 from coming out of the pump chamber 2 , the locking cover 4 is connected with an alumina bayonet 5 that can be fixed to the bottle body; the lower end of the pump chamber 2 is provided with a liquid in the bottle body only to be discharged upward when the suction assembly 3 moves. The one-way valve 6, the upper end of the suction assembly 3 is connected with a pressing portion 7 that can drive the suction assembly 3 to work, and the suction assembly 3 includes a suction channel 311 that can pass through the locking cover 4 and has a suction channel 311. The upper pump rod 31 is provided with a main spring 32 between the upper pump rod 31 and the locking cover 4, and the upper pump rod 31 is provided with a liquid inlet 312 that can communicate with the suction channel 311 and the pump chamber 2. On the upper pump rod 31 and located at the lower end of the liquid inlet 312, a lower pump rod 33 is connected. The liquid inlet 312 enters the suction plug 34 in the suction channel 311, and a secondary spring 35 is arranged between the upper pump rod 31 and the suction plug 34; the secondary spring 35 is located inside the main spring 32, When the suction assembly 3 moves down, a liquid inlet channel 301 is formed between the lower pump rod 33 and the suction plug 34 , which can communicate with the pump chamber 2 below the lower pump rod 33 and the liquid inlet 312 . The utility model has a simple structure and adopts a structure with an external spring. When the suction component moves up and down to suck the liquid into the pump chamber below the suction plug, the spring will never stick to the liquid, and the direct contact between the spring and the liquid in the pump chamber is avoided. Causes liquid pollution, clean and hygienic; at the same time, a main spring is set between the upper pump rod and the locking cover, and a secondary spring is also set between the upper pump rod and the suction plug. The structure of double springs makes the pump start fast and eject The volume is stable and the spray effect is good; at the same time, a main spring is arranged between the upper pump rod and the locking cover, and a secondary spring is also arranged between the upper pump rod and the suction plug. The spray volume is stable and the spray effect is good.

As shown in FIG. 1 to FIG. 5 , in this embodiment, the outer side wall of the upper pump rod 31 is provided with a first protrusion 313 for the main spring 32 to abut against. The outer side wall of the upper pump rod 31 A second protruding portion 314 is provided below the first protruding portion 313 for the auxiliary spring 35 to abut against. When the suction assembly moves downward, the first protrusion 313 on the upper pump rod presses the main spring 32 downward, the second protrusion 314 presses the auxiliary spring 35 downward, and the other end of the auxiliary spring pushes the suction plug 34 toward the bottom. Move down, after letting go, the main spring pushes down the upper pump rod due to the elastic force, the upper pump rod moves upward, and drives the lower pump rod to move upward together, and the auxiliary spring presses the suction plug due to the elastic force, so that the suction plug and the lower pump rod move upward together. The rod is matched to seal the liquid inlet and adopts the structure of double springs, which can not only ensure the pumping speed of the upper pump rod is fast, but also ensure that the suction plug and the lower pump rod cooperate and seal.

As shown in FIG. 1 to FIG. 5 , in this embodiment, an annular groove 315 is provided on the upper pump rod 31 and located below the liquid inlet 312 , and the lower pump rod 33 is provided with a The engaging portion 331 to which the annular groove 315 is matched.

As shown in FIG. 1 to FIG. 5 , in this embodiment, the lower end of the upper pump rod 31 has a circular truncated structure, and the engaging portion 331 is provided with an inclined surface matched with the circular truncated structure. It is convenient to assemble the lower pump rod and the upper pump rod, easy to enter and difficult to exit, which meets the tightening requirements of the product, and is safe and reliable.

As shown in FIG. 1 to FIG. 5 , in this embodiment, the outer side wall of the upper end of the locking cover 4 is provided with a clamping groove 41 into which the alumina bayonet 5 can be clamped. It is convenient to manufacture and assemble.

As shown in FIGS. 1 to 5 , in this embodiment, the pump body 1 is provided with a ventilation port 11 that communicates with the pump chamber 2 . When the suction plug 34 is at the highest position, the ventilation port 11 is sucked by the plug 34 . Closed, the pressure inside the bottle can be kept consistent with the outside of the bottle.

As shown in FIGS. 1 to 5 , in this embodiment, the pressing portion 7 includes a button 71 that is fixedly connected to the upper pump rod 31 , and an aluminum oxide cover 72 is sleeved on the outside of the button 71 . Visual fatigue can be avoided by replacing the alumina cover.

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

As shown in FIG. 1 to FIG. 5 , in this embodiment, a liquid introduction tube 8 is further provided below the pump body 1 .

As shown in FIGS. 1 to 5 , in this embodiment, a gasket 9 is also arranged in the alumina bayonet 5 to prevent liquid leakage.

When in use, press down on the pressing part, the suction component moves down with the pressing part, the lower pump rod moves down with the upper pump rod, and the liquid inlet channel 301 between the lower pump rod and the suction plug is opened, and the suction plug pushes the pump down. The gas in the chamber 2 is pressed into the suction channel 311 from the liquid inlet to discharge the gas. At this time, the pump chamber 2 is in a negative pressure state. After releasing the hand, the upper pump rod 31 moves upward under the elastic force of the main spring 32. Movement, the auxiliary spring presses the suction plug, so that the suction plug cooperates with the lower pump rod to close the liquid inlet channel. Since the pressure in the pump chamber 2 is less than the pressure in the bottle, at this time, the one-way valve 6 is opened, and the liquid in the bottle enters the In the pump chamber 2, when the air pressure in the pump chamber is equal to the air pressure in the bottle, the one-way valve 6 is closed, and the pressing part is pressed again, and the suction plug 34 moves downward to squeeze the pump chamber 2. At this time, the liquid flows from the liquid inlet channel 301. Enter into the suction channel 311, and then eject the liquid.

Claims (10)

1. The perfume pump with the external spring is characterized by comprising a pump body (1) extending into a bottle body, wherein a pump chamber (2) is arranged on the pump body (1), a pumping assembly (3) capable of moving up and down in the pump chamber (2) to pump liquid in the bottle body upwards is arranged in the pump chamber (2), a locking cover (4) capable of preventing the pumping assembly (3) from falling out of the pump chamber (2) is connected to the upper end of the pump body (1) and positioned at the pump chamber (2), and an alumina bayonet (5) capable of fixing the locking cover (4) on the bottle body; the lower end of the pump chamber (2) is provided with a check valve (6) which only allows liquid in the bottle body to be discharged upwards when the suction component (3) moves, the upper end of the suction component (3) is connected with a pressing part (7) which can drive the suction component (3) to work, the suction component (3) comprises an upper pump rod (31) which can penetrate through the locking cover (4) and is provided with a suction channel (311), a main spring (32) is arranged between the upper pump rod (31) and the locking cover (4), a liquid inlet (312) which can communicate the suction channel (311) with the pump chamber (2) is arranged on the upper pump rod (31), the lower end of the upper pump rod (31) which is positioned at the liquid inlet (312) is connected with a lower pump rod (33), the outer side of the upper pump rod (31) is sleeved with a suction plug (34) which can move relative to the upper pump rod (31) and can be matched with the lower pump rod (33) to block liquid from the liquid inlet (312) to enter the suction channel (311), an auxiliary spring (35) is arranged between the upper pump rod (31) and the suction plug (34); the auxiliary spring (35) is positioned on the inner side of the main spring (32), and when the suction assembly (3) moves downwards, a liquid inlet channel (301) capable of communicating a pump chamber (2) below the lower pump rod (33) with a liquid inlet (312) is formed between the lower pump rod (33) and the suction plug (34).

2. The perfume pump with the external spring as claimed in claim 1, wherein a first protrusion (313) against which the main spring (32) can abut is provided on an outer side wall of the upper pump rod (31), and a second protrusion (314) against which the sub spring (35) can abut is provided on an outer side wall of the upper pump rod (31) and below the first protrusion (313).

3. The perfume pump with the external spring as claimed in claim 1, wherein an annular groove (315) is formed in the upper pump rod (31) and below the liquid inlet (312), and a clamping portion (331) capable of being matched with the annular groove (315) is formed in the lower pump rod (33).

4. The perfume pump with the external spring as claimed in claim 3, wherein the lower end of the upper pump rod (31) is of a circular truncated cone structure, and the clamping portion (331) is provided with an inclined surface matched with the circular truncated cone structure.

5. The perfume pump with the external spring as claimed in claim 3, wherein the outer side wall of the upper end of the locking cover (4) is provided with a clamping groove (41) into which the aluminum oxide bayonet (5) can be clamped.

6. The perfume pump with the external spring as claimed in claim 1, wherein the pump body (1) is provided with a ventilation port (11) communicated with the pump chamber (2), and the ventilation port (11) is closed by the suction plug (34) when the suction plug (34) is at the highest position.

7. The perfume pump with the external spring as claimed in claim 1, wherein the pressing part (7) comprises a button (71) fixedly connected with the upper pump rod (31), and an alumina cover (72) is sleeved outside the button (71).

8. The perfume pump with the external spring as claimed in claim 1, wherein the lower end of the pump chamber (2) is tapered, and the check valve (6) is a pump bead disposed at the lower end of the pump chamber (2).

9. The perfume pump with the external spring as claimed in claim 1, wherein a liquid guiding pipe (8) is further disposed below the pump body (1).

10. The perfume pump with the external spring as claimed in claim 1, wherein a gasket (9) is further disposed in the alumina bayonet (5).

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