WO2021164094A1

WO2021164094A1 - Perfume pump with two externally disposed springs

Info

Publication number: WO2021164094A1
Application number: PCT/CN2020/080657
Authority: WO
Inventors: 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
Priority date: 2020-02-21
Filing date: 2020-03-23
Publication date: 2021-08-26
Also published as: CN111194986A

Abstract

Disclosed is a perfume pump with two externally disposed springs, comprising a pump body, wherein the pump body is provided with a pump chamber, and a suction assembly is provided in the pump chamber; the pump body is connected to a locking cover, and the locking cover is connected to an aluminum oxide bayonet; the lower end of the pump chamber is provided with a one-way valve; the upper end of the suction assembly is connected to a pressing part; and the suction assembly comprises an upper pump rod, the upper pump rod is connected to a lower pump rod, a main spring is provided between the upper pump rod and the locking cover, the lower pump rod is provided with a liquid inlet, the outer side of the lower pump rod is provided with a suction plug, an auxiliary spring is provided between the upper pump rod and the suction plug, and when the suction assembly moves downwards, a liquid inlet channel is formed between the lower pump rod and the suction plug. The present invention has a simple structure, and uses a structure with externally disposed springs, in which the main spring is provided between the upper pump rod and the locking cover, and the auxiliary spring is further provided between the upper pump rod and the suction plug, resulting in a high pump lift speed and a stable spraying amount. In addition, the lower pump rod passes through the locking cover and is connected to the upper pump rod, and the lower pump rod is provided with the liquid inlet which can be in communication with a suction channel, resulting in convenient assembly and a good suction effect.

Description

External double-spring perfume pump

【Technical Field】

The invention relates to a miniature sprayer, in particular to an external double-spring perfume pump.

【Background technique】

At present, there are many micro-sprayer products on the market. These micro-sprayers 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 will cause the liquid to flow out of the pump body through the pressure difference. When the liquid hits the high-speed airflow, it will be atomized instantly; that is, Bernoulli is used. Principle: In the same fluid, the flow velocity is large, the pressure is small; the flow velocity is small, the pressure is strong. These sprayer products are widely used in flower growing, hairdressing, beauty and other fields. 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.

However, there are many existing structural parts, complex installation procedures, and high production costs. The spring of the suction component of the traditional perfume pump will directly contact the liquid in the pump chamber. When the spring is rusted, the liquid will be polluted and unsanitary; and Because there is only one spring, the air pump speed is slow, and the spray effect is poor.

The present invention is based on the above shortcomings.

[Summary of the invention]

The technical problem to be solved by the present invention is to provide an external dual-spring perfume pump, which adopts an external spring structure to avoid direct contact between the spring and the liquid, and is environmentally friendly and sanitary. Fast, good suction effect, simple structure and low cost.

In order to solve the above technical problems, the present invention adopts the following technical solution: an external dual-spring perfume pump, which is characterized in that it includes a pump body extending into the bottle body, and a pump chamber is provided on the pump body. There is a suction assembly that can move up and down in the chamber to draw the liquid in the bottle upwards. The pump body and the upper end of the pump chamber are connected with a locking cover that can prevent the suction assembly from falling out of the pump chamber. The locking cap is connected with an alumina bayonet that can fix it to the bottle body; the lower end of the pump chamber is provided with a one-way valve that only discharges the liquid in the bottle body upward when the suction assembly moves, The upper end of the suction component is connected with a pressing part capable of driving the suction component to work, and the suction component includes an upper pump rod connected with the pressing part and having a suction channel, and the upper pump rod is connected with a lock which can pass through The lower pump rod is connected with the upper pump rod. A main spring is provided between the upper pump rod and the locking cover. The lower pump rod is provided with a liquid inlet that can communicate with the suction channel. There is a suction plug that can move relative to the lower pump rod and can cooperate with the lower pump rod to block the liquid from entering the suction channel from the liquid inlet, and a secondary spring is arranged between the upper pump rod and the suction plug. The auxiliary spring is located on the inner side of the main spring. When the suction assembly moves down, a liquid inlet channel is formed between the lower pump rod and the suction plug, which can communicate with the pump chamber under the lower pump rod and the liquid inlet.

The above-mentioned external dual-spring perfume pump is characterized in that the outer side wall of the upper pump rod is provided with a first protrusion that can be supported by the main spring, and the locking cover is provided with a The second protrusion for the lower end of the main spring to bear against.

The above-mentioned external dual-spring perfume pump is characterized in that the lower part of the lower pump rod is provided with an annular boss which can be supported by the lower end of the suction plug.

The above-mentioned external dual-spring perfume pump is characterized in that the pressing part includes a button fixedly connected with the upper pump rod, and an aluminum oxide cover is sheathed on the outside of the button.

The above-mentioned external dual-spring perfume pump is characterized in that the pump body is provided with a ventilation port communicating with the pump chamber, and the ventilation port is closed by the suction plug when the suction plug is in the highest position.

The above-mentioned external dual-spring perfume 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 external dual-spring perfume pump is characterized in that a liquid introduction tube is further provided under the pump body.

An external dual-spring perfume pump as described above is characterized in that a gasket is also provided in the alumina bayonet.

Compared with the prior art, the external dual-spring perfume pump provided by the present invention achieves the following effects:

1. The structure of the present invention is simple and adopts a structure with an external spring. When the suction assembly moves up and down to suck liquid into the pump chamber below the suction plug, the spring will never stick to the liquid, avoiding direct contact between the spring and the liquid in the pump chamber. Contact, causing liquid pollution, clean and sanitary; 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 double spring pump structure is adopted to make the pump speed Fast, stable spray volume and good spray effect.

2. The lower pump rod of the present invention is connected to the upper pump rod through the locking cover, and the lower pump rod is provided with a liquid inlet that can communicate with the suction channel. Compared with the integrated pump rod structure, it is easy to assemble and pump. Good suction effect.

【Explanation of the drawings】

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

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;

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

【Detailed ways】

The specific embodiments of the present invention will be described in detail below with reference to FIGS. 1 to 5. It should be understood that the drawings shown in the drawings are only preferred embodiments of the present invention, and do not constitute a limitation on the scope of the present invention. Those skilled in the art can make various obvious modifications, variations, and equivalent substitutions to the present invention on the basis of the preferred embodiments shown in the drawings, and under the premise of no contradiction, in the different implementations described below The technical features in the examples can be combined arbitrarily, and these fall within the protection scope of the present invention.

As shown in Figures 1 to 5, an external dual-spring perfume pump includes a pump body 1 that extends into the bottle body. The pump body 1 is provided with a pump chamber 2, and the pump chamber 2 is provided with The suction assembly 3 moves up and down to draw the liquid in the bottle upwards. The pump body 1 is located at the upper end of the pump chamber 2 and is connected with a locking cap that can prevent the suction assembly 3 from falling out of the pump chamber 2. 4. The locking cap 4 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 only the liquid in the bottle body upward when the suction assembly 3 moves. The discharged check valve 6, when the air pressure in the pump chamber is lower than the air pressure of the bottle body, the check valve moves upward to connect the pump chamber and the inside of the bottle body, sucking liquid from the bottle body into the pump chamber; the upper end of the suction assembly 3 is connected with The pressing part 7, which can drive the suction assembly 3 to work, can drive the suction assembly to move downward by pressing the pressing part, and the liquid in the bottle is pumped into the pump chamber and discharged through the suction channel in the suction assembly. The suction assembly 3 includes an upper pump rod 31 connected to the pressing portion 7 and having a suction channel 301, and the upper pump rod 31 is connected with a lower pump rod 32 that can pass through the locking cover 4 and communicate with the upper pump rod 31, A main spring 33 is provided between the upper pump rod 31 and the locking cover 4, the lower pump rod 32 is provided with a liquid inlet 321 that can communicate with the suction channel 301, and the outer side of the lower pump rod 32 is provided with a lower pump The rod 32 moves and can cooperate with the lower pump rod 32 to block the liquid from the liquid inlet 321 into the suction plug 34 in the suction channel 301. A secondary spring 35 is provided between the upper pump rod 31 and the suction plug 34, The secondary spring 35 is located inside the main spring 33. The two springs cooperate with the pump. When the suction assembly 3 moves down, a pump is formed between the lower pump rod 32 and the suction plug 34 that can communicate with the lower pump rod 32. The liquid inlet channel 302 of the chamber 2 and the liquid inlet 321.

The invention has a simple structure and adopts a structure with an external spring. When the suction assembly moves up and down to suck the liquid into the pump chamber below the suction plug, the spring never sticks to the liquid, avoiding direct contact between the spring and the liquid in the pump chamber, resulting in Liquid pollution, clean and hygienic; 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 double spring structure is adopted to make the pumping speed fast and the ejection volume Stable and good spray effect; the lower pump rod passes through the locking cover and is connected to the upper pump rod, and the lower pump rod is provided with a liquid inlet that can communicate with the suction channel, which is easier to assemble than the integrated pump rod structure , The suction effect is good.

As shown in Figures 1 to 5, in this embodiment, the outer side wall of the upper pump rod 31 is provided with a first protrusion 311 that can be supported by the main spring 33, and the locking cover 4 is provided with There is a second protrusion 41 for the lower end of the main spring 33 to bear against. When the suction assembly moves downward, the first protrusion on the upper pump rod and the second protrusion on the locking cover cooperate to squeeze the main spring, the lower end of the upper pump rod squeezes the auxiliary spring downward, and the other end of the auxiliary spring The top pressure suction plug moves downwards. After letting go, the main spring pushes the upper pump rod upward due to the elastic force, and drives the lower pump rod to move upward together. Due to the elastic force, the auxiliary spring presses the suction plug against the suction plug, so that the suction plug seals the lower pump. The liquid inlet on the rod, the main spring and the auxiliary spring cooperate to ensure the efficiency of pumping and the effect of liquid discharge.

As shown in Figures 1 to 5, in this embodiment, the lower part of the lower pump rod 32 is provided with an annular boss 322 for the lower end of the suction plug 34 to bear against. Liquid port.

As shown in Figures 1 to 5, in this embodiment, the pressing portion 7 includes a button 71 fixedly connected to the upper pump rod 31, and an alumina cover 72 is sleeved on the outside of the button 71; The color of the aluminum oxide cover is used to beautify the product, even personalized customized products, to bring customers a different visual experience.

As shown in Figures 1 to 5, in this embodiment, the pump body 1 is provided with a ventilation port 11 communicating with the pump chamber 2. When the suction plug 34 is at the highest position, the ventilation port 11 is sucked by a 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 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 shown in Figures 1 to 5, in this embodiment, a fluid introduction tube 8 is further provided under the pump body 1; Ensure the stability of the liquid.

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

When in use, press the pressing part downwards, the suction component will move downwards with the pressing part, and the lower pump rod will move downwards with the upper pump rod. At this time, the liquid inlet channel between the lower pump rod and the suction plug is opened, and the suction plug enters the pump chamber. The gas is pressed into the suction channel from the liquid inlet, and the gas is discharged. At this time, the pump chamber 2 is in a negative pressure state. After releasing the hand, the upper pump rod moves upward under the elastic force of the main spring, and the auxiliary spring presses The suction plug makes the suction plug cooperate with the lower pump rod to close the liquid inlet channel. Since the pressure in the pump chamber is less than the pressure in the bottle body, at this time, the one-way valve opens and the liquid in the bottle enters the pump 2. When the air pressure in the pump chamber When the air pressure in the bottle is equal, the one-way valve is closed, the pressing part is pressed again, and the suction plug moves downward to squeeze the pump chamber. At this time, the liquid enters the suction channel from the liquid inlet channel, and then the liquid is ejected.

The above-mentioned embodiments are only preferred solutions of the present invention, and the present invention can also have other embodiments, such as a reasonable combination of the technical solutions described in multiple embodiments. Those skilled in the art can also make equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope set by the claims of the present application.

Claims

An external dual-spring perfume pump, which is characterized in that it comprises a pump body (1) extending into the bottle body, a pump chamber (2) is arranged on the pump body (1), and a pump chamber (2) is arranged in the pump chamber (2). There is a suction component (3) that can move up and down in the bottle to pump the liquid in the bottle upwards. The pump body (1) and the upper end of the pump chamber (2) are connected with a suction preventive component (3). ) A locking cover (4) that is detached from the pump chamber (2), the locking cover (4) is connected with an alumina bayonet (5) that can fix it to the bottle body; the pump chamber The lower end of (2) is provided with a one-way valve (6) that only discharges the liquid in the bottle upwards when the suction assembly (3) moves, and the upper end of the suction assembly (3) is connected with a driving suction assembly (3). ) Working pressing part (7), the suction assembly (3) includes an upper pump rod (31) connected to the pressing part (7) and having a suction channel (301), and the upper pump rod (31) is connected There is a lower pump rod (32) that can pass through the lock cover (4) and communicate with the upper pump rod (31), and a main spring (33) is arranged between the upper pump rod (31) and the lock cover (4), The lower pump rod (32) is provided with a liquid inlet (321) that can communicate with the suction channel (301). The pump rod (32) cooperates with the suction plug (34) to block the liquid from entering the suction channel (301) from the liquid inlet (321), and the upper pump rod (31) and the suction plug (34) are arranged between There is a secondary spring (35), the secondary spring (35) is located inside the main spring (33), when the suction assembly (3) moves down, the lower pump rod (32) and the suction plug (34) are formed between There is a liquid inlet channel (302) which can connect the pump chamber (2) below the lower pump rod (32) and the liquid inlet (321).
The external dual-spring perfume pump according to claim 1, characterized in that the outer side wall of the upper pump rod (31) is provided with a first protrusion (311) which can be supported by the main spring (33). ), the locking cover (4) is provided with a second protruding portion (41) that can be pressed against the lower end of the main spring (33).
The external dual-spring perfume pump according to claim 1, characterized in that the lower part of the lower pump rod (32) is provided with an annular boss (322) which can be supported by the lower end of the suction plug (34).
The external dual-spring perfume pump according to claim 1, wherein the pressing portion (7) includes a button (71) fixedly connected to the upper pump rod (31), and the button (71) An alumina cover (72) is sleeved on the outside.
The external dual-spring perfume pump according to claim 1, wherein the pump body (1) is provided with a ventilation port (11) communicating with the pump chamber (2), and the suction plug (34) When the) is in the highest position, the ventilation port (11) is closed by the suction plug (34).
The external dual-spring perfume pump according to claim 1, wherein the lower end of the pump chamber (2) is tapered, and the one-way valve (6) is arranged in the pump chamber (2). The pump bead at the lower end.
The external dual-spring perfume pump according to claim 1, characterized in that, a liquid introduction tube (8) is further provided under the pump body (1).
The external dual-spring perfume pump according to claim 1, characterized in that a gasket (9) is further provided in the alumina bayonet (5).