CN213769718U

CN213769718U - Emulsion pump

Info

Publication number: CN213769718U
Application number: CN202022456075.4U
Authority: CN
Inventors: 黄振声
Original assignee: Zhongshan Baiya Plastic Product Co ltd
Current assignee: Zhongshan Baiya Plastic Product Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-23
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a lotion pump, which comprises a press head, a pump body, a piston piece, a lock bottle cap, a liquid guiding pipe, a one-way valve, a lock cover and an outer cover; the piston part comprises a piston, an auxiliary column and a main column, the upper end of the main column is connected with the press head, the outer side of the lower part of the main column is sleeved with the piston, the piston is hermetically connected with the inner side wall of the pump body and can move up and down relative to the pump body, and the top end of the auxiliary column is buckled in an infusion channel at the lower part of the main column; the lock bottle cap is sleeved on the upper portion of the pump body, the upper portion of the lock cap is buckled on the upper portion of the pump body, the lock cap extends into the pump body, the lower portion of the lock cap is connected with the outer side wall of the lower portion of the main column in a sealing mode, and the main column can slide relative to the lock cap; and an elastic part for pushing the main column to move upwards is arranged on the outer side of the main column. The utility model discloses in, the elastic component does not give emulsion direct contact, has avoided the emulsion to corrode the elastic component to avoid the elastic component to pollute the emulsion, influence the use.

Description

Emulsion pump

Technical Field

The utility model relates to a lotion pump technical field especially relates to a lotion pump.

Background

In daily life, the emulsion of the existing emulsion pump can be directly contacted with a spring in the emulsion pump in the using process, after the emulsion pump is used for a period of time, the spring is easily corroded, and then the corroded spring can pollute the emulsion, so that the emulsion product is deteriorated and other adverse effects are caused.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing an emulsion pump that reduces emulsion and receives pollution.

An emulsion pump comprises a press head provided with a liquid drainage channel, a pump body, a piston piece for extruding emulsion sucked in the pump body out of the liquid drainage channel, a bottle locking cover for connecting with a container, a liquid drainage pipe communicated with the lower end of the pump body, a one-way valve arranged between the pump body and the liquid drainage pipe, a locking cover and an outer cover;

the piston piece comprises a piston, an auxiliary column and a main column provided with a transfusion channel, the upper end of the main column is connected with the press head, the transfusion channel is communicated with a liquid discharge channel, the piston is sleeved on the outer side of the lower portion of the main column, the piston is connected with the inner side wall of the pump body in a sealing mode and can move up and down relative to the pump body, the top end of the auxiliary column is buckled in the transfusion channel on the lower portion of the main column, when the piston abuts against the auxiliary column, the transfusion channel and the pump body are sealed, otherwise, the transfusion channel and the pump body are communicated;

the lock bottle cap is sleeved on the outer side of the upper part of the pump body, the upper part of the lock cap is buckled on the outer side of the upper part of the pump body and is positioned above the lock bottle cap, the lower part of the lock cap extends into the pump body, the lower part of the lock cap is hermetically connected with the outer side wall of the lower part of the main column, and the main column can slide relative to the lock cap;

the outer cover is buckled on the outer side of the locking cover, the outer cover is sleeved outside the main column, and an elastic part used for pushing the main column to move upwards is arranged on the outer side of the main column.

The utility model discloses in, the principal post outside is equipped with and is used for promoting the elastic component that the principal post removed up, also promptly, the elastic component is located the locking closure with between the principal post, and then the emulsion pump is in the use, the emulsion in the pump body passes through infusion passageway and flowing back passageway and discharges, and the elastic component does not give emulsion direct contact, has avoided the emulsion to corrode the elastic component to avoid the elastic component to pollute the emulsion, influence the use.

Preferably, the side wall of the pump body and the upper part of the side wall are provided with vent holes communicated to the container.

Preferably, the elastic member is a compression spring, the compression spring is sleeved outside the main column, the upper end of the compression spring abuts against the upper portion of the pump body, and the lower end of the compression spring abuts against the lower portion of the lock cover.

Preferably, the outer side wall of the upper part of the main column is circumferentially provided with a limiting groove with a downward opening, and the upper end of the compression spring extends into the limiting groove and abuts against one side of the limiting groove, which is far away from the opening of the limiting groove.

Preferably, an inner thread is formed on the inner side wall of the lower portion of the lock cover, an outer thread which can be connected with the inner thread is formed on the outer side wall of the main column at the limiting groove, and the outer thread can abut against the lower end face of the outer cover.

Preferably, the upper portion of the pump body extends outwards along the circumference and is provided with a butt block, the butt block is butted on the top side inside the lock bottle cap, a gasket is sleeved outside the pump body, and the gasket is butted on the lower portion of the butt block.

Preferably, the upper portion of the pump body extends upwards to form the locking bottle cap and form a fixed block, a first annular protruding strip is arranged on the outer side of the fixed block along the circumferential direction, the upper portion of the locking cap extends out of the pump body and is bent outwards to form a buckling block, the buckling block is right opposite to the outer side of the fixed block, and a first annular groove matched with the first annular protruding strip is arranged on one side, right opposite to the fixed block, of the buckling block along the circumferential direction.

Preferably, a second annular convex strip is arranged on one side, away from the fixed block, of the buckling block along the circumferential direction, the outer cover is covered on the upper portion of the locking cover, and a second annular groove matched with the second annular convex strip is arranged on one side, facing the buckling block, of the outer cover along the circumferential direction.

Preferably, the upper part of the outer side wall of the main column is circumferentially provided with a clamping groove with an upward opening, and the lower part of the press head is provided with a clamping block plugged in the clamping groove.

Preferably, the inside wall in joint groove is equipped with third annular sand grip along circumference, joint piece lateral wall along circumference be equipped with third annular sand grip complex third annular groove.

Compared with the prior art, in the emulsion pump, the upper portion lock of locking closure in the upper portion of the pump body, and then can guarantee the firm of locking closure position, simultaneously, compression spring locates the principal post with between the locking closure, with the separation the direct contact of compression spring and emulsion avoids the emulsion to receive the pollution, and the firm normal work of emulsion pump has also been guaranteed to the locking closure position.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals: 100. a liquid discharge channel; 200. a fluid infusion channel; 1. pressing the head; 11. a clamping block; 12. a third annular groove; 2. a pump body; 21. a butting block; 22. a gasket; 23. a fixed block; 24. a first annular rib; 3. a piston member; 31. a piston; 32. a secondary column; 33. a main column; 331. a limiting groove; 332. an external thread; 333. a clamping groove; 334. a third annular rib; 4. locking the bottle cap; 5. a liquid guiding pipe; 6. a one-way valve; 7. a locking cover; 71. an internal thread; 72. buckling blocks; 73. a first annular groove; 74. a second annular rib; 8. an outer cover; 81. a second annular groove; 9. an elastic member.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the present invention relates to a lotion pump, which comprises a button 1 provided with a liquid discharge channel 100, a pump body 2, a piston member 3 for pressing out the lotion sucked in the pump body 2 from the liquid discharge channel 100, a lock bottle cap 4 for connecting with a container, a liquid guide tube 5 communicated with the lower end of the pump body 2, a check valve 6 arranged between the pump body 2 and the liquid guide tube 5, a lock cap 7 and an outer cap 8;

the piston piece 3 comprises a piston 31, an auxiliary column 32 and a main column 33 provided with a transfusion channel 200, the upper end of the main column 33 is connected with the press head 1, the transfusion channel 200 is communicated with a liquid discharge channel 100, the piston 31 is sleeved on the outer side of the lower part of the main column 33, the piston 31 is hermetically connected with the inner side wall of the pump body 2 and can move up and down relative to the pump body 2, the top end of the auxiliary column 32 is buckled in the transfusion channel 200 at the lower part of the main column 33, when the piston 31 is abutted against the auxiliary column 32, the transfusion channel 200 is sealed with the pump body 2, otherwise, the transfusion channel 200 is communicated with the pump body 2;

the locking bottle cap 4 is sleeved on the outer side of the upper part of the pump body 2, the upper part of the locking cap 7 is buckled on the outer side of the upper part of the pump body 2 and is positioned above the locking bottle cap 4, the lower part of the locking cap 7 extends into the pump body 2, the lower part of the locking cap 7 is hermetically connected with the outer side wall of the lower part of the main column 33, and the main column 33 can slide relative to the locking cap 7;

the outer cover 8 is buckled on the outer side of the locking cover 7, the outer cover 8 is sleeved outside the main column 33, and the outer side of the main column 33 is provided with an elastic part 9 for pushing the main column 33 to move upwards.

The utility model discloses in, the principal post 33 outside is equipped with and is used for promoting the elastic component 9 that the principal post 33 removed up, that is, elastic component 9 is located locking closure 7 with between the principal post 33, and then the emulsion pump is in the use, the emulsion in the pump body 2 passes through infusion passageway 200 and drainage channel 100 and discharges, and elastic component 9 does not give emulsion direct contact, has avoided the emulsion to corrode elastic component 9 to avoid elastic component 9 to pollute the emulsion, influence the use.

The side wall of the pump body 2 and the upper part of the side wall are provided with vent holes communicated with the inside of the container, so that in the use process of the emulsion pump, the pump body 2 continuously pumps the emulsion outwards, and the vent holes on the side wall of the pump body 2 supplement air into the container to achieve air pressure balance.

The elastic part 9 is a compression spring, the compression spring is sleeved outside the main column 33, the upper end of the compression spring abuts against the upper part of the pump body 2, and the lower end of the compression spring abuts against the lower part of the lock cover 7.

Through the arrangement of the compression spring, after the press head 1 is pressed, the compression spring can push the main column 33 to drive the press head 1 to reset.

Preferably, a limiting groove 331 with a downward opening is formed on an outer side wall of an upper portion of the main column 33 along a circumferential direction, and an upper end of the compression spring extends into the limiting groove 331 and abuts against a side of the limiting groove 331 away from the opening.

Through the setting of restriction 331, and then for compression spring plays spacing effect, can guarantee emulsion pump's normal use.

In this embodiment, an inner wall of the lower portion of the locking cover 7 is provided with an inner thread 71, an outer wall of the main column 33 at the position of the limiting groove 331 is provided with an outer thread 332 capable of being connected with the inner thread 71, and the outer thread 332 can abut against the lower end surface of the outer cover 8.

Through the arrangement of the internal thread 71 and the external thread 332, after the press head 1 is pressed, the outer side wall of the main column 33 at the position of the limiting groove 331 is moved to the lower part of the lock cover 7, and then the main column 33 is rotated, so that the external thread 332 of the main column 33 is connected to the internal thread 71 of the lock cover 7, the relative fixation of the positions of the main column 33 and the lock cover 7 is realized, the locking effect is further realized, and the use of the emulsion pump is greatly facilitated; meanwhile, the external thread 332 of the main column 33 can abut against the lower end face of the outer cover 8, so that the main column 33 can be limited from being completely separated from the pump body 2, and the normal use of the emulsion pump is ensured.

The upper portion of the pump body 2 extends outwards along the circumference and is provided with a butt joint block 21, the butt joint block 21 is butted on the top side inside the lock bottle cap 4, a gasket 22 is sleeved outside the pump body 2, and the gasket 22 is butted on the lower portion of the butt joint block 21.

Through the setting of gasket 22, and then after the emulsion pump is connected in the container opening, container opening one end butt in on gasket 22, and then play sealed effect for the container.

The upper portion of the pump body 2 extends upwards to form the locking bottle cap 4, a fixing block 23 is formed, a first annular protruding strip 24 is arranged on the outer side of the fixing block 23 along the circumferential direction, the upper portion of the locking cap 7 extends out of the pump body 2 and is bent outwards to form a buckling block 72, the buckling block 72 is right opposite to the outer side of the fixing block 23, and a first annular groove 73 matched with the first annular protruding strip 24 is arranged on one side, right opposite to the fixing block 23, of the buckling block 72 along the circumferential direction.

The first annular convex strip 24 and the first annular groove 73 are mutually matched and clamped, so that the locking cover 7 is conveniently installed, and the locking cover 7 is ensured to be stable in position.

A second annular convex strip 74 is circumferentially arranged on one side of the buckling block 72, which is far away from the fixed block 23, the outer cover 8 is covered on the upper portion of the locking cover 7, and a second annular groove 81 matched with the second annular convex strip 74 is circumferentially arranged on one side, which is opposite to the buckling block 72, of the outer cover 8.

The second annular convex strip 74 and the second annular groove 81 are mutually matched and clamped, so that the outer cover 8 is conveniently installed, and the position of the outer cover 8 is ensured to be stable.

The upper part of the outer side wall of the main column 33 is circumferentially provided with a clamping groove 333 with an upward opening, and the lower part of the button 1 is provided with a clamping block 11 plugged in the clamping groove 333.

By plugging the snap piece 11 into the snap groove 333, the connection between the button head 1 and the main post 33 is facilitated, and the stability of the position between the button head 1 and the main post 33 is ensured.

The inside wall of joint groove 333 is equipped with third annular sand grip 334 along circumference, joint piece 11 lateral wall along circumference be equipped with third annular sand grip 334 complex third annular groove 12.

Through the mutual cooperation of third annular sand grip 334 with third annular groove 12 to further improved press head 1 with the steadiness between the principal post 33 guarantees the normal work of emulsion pump.

In the present embodiment, the connection and arrangement between the main column 33, the sub-column 32 and the piston 31 in the piston member 3 are conventional technology, and the check valve 6 at the lower end of the pump body 2 is also conventional technology; specifically, patent document CN201920753081.0 discloses an external spring screw pump, the connection and arrangement between the main column, the auxiliary column and the piston are the same as the arrangement of the present application, and the disclosed spherical member and the limiting rib are the same as the arrangement of the check valve 6 of the present application.

Specifically, when the pressing head 1 presses the main column 33 and the auxiliary column 32 downwards to move downwards, the position of the piston 31 is limited, meanwhile, the sealing surfaces of the auxiliary column 32 and the piston 31 are opened, the liquid conveying channel 200 of the main column 33 is communicated with the inside of the pump body 2, so that the solution entering the pump body 2 can be discharged; when the main column 33 returns upward under the action of the compression spring, the piston 31 and the sub-column 32 abut and close the sealing surface, and a negative pressure is generated in the pump body 2 to suck the solution in the container into the pump body 2.

To sum up, for prior art, in the emulsion pump, the upper portion lock of locking closure 7 in the upper portion of the pump body 2, and then can guarantee the firm of locking closure 7 position, simultaneously, compression spring locates the principal post 33 with between the locking closure 7, with the separation the direct contact of compression spring and emulsion avoids the emulsion to receive the pollution to the firm normal work of emulsion pump has also been guaranteed to the firm of locking closure 7 position.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An emulsion pump is characterized in that: the pump comprises a press head provided with a liquid drainage channel, a pump body, a piston piece used for extruding emulsion sucked in the pump body out of the liquid drainage channel, a bottle locking cover used for being connected with a container, a liquid drainage pipe communicated with the lower end of the pump body, a one-way valve arranged between the pump body and the liquid drainage pipe, a locking cover and an outer cover;

2. An emulsion pump as claimed in claim 1, wherein: the side wall of the pump body and the upper part of the side wall are provided with vent holes communicated to the container.

3. An emulsion pump as claimed in claim 1, wherein: the elastic piece is a compression spring, the compression spring is sleeved outside the main column, the upper end of the compression spring abuts against the upper portion of the pump body, and the lower end of the compression spring abuts against the lower portion in the lock cover.

4. An emulsion pump as claimed in claim 3, wherein: the outer side wall of the upper portion of the main column is circumferentially provided with a limiting groove with a downward opening, and the upper end of the compression spring extends into the limiting groove and abuts against one side, away from the opening, of the limiting groove.

5. An emulsion pump as claimed in claim 4, wherein: the inner side wall of the lower portion of the lock cover is provided with an internal thread, the outer side wall, located at the limiting groove, of the main column is provided with an external thread which can be connected with the internal thread, and the external thread can be abutted to the lower end face of the outer cover.

6. An emulsion pump according to any one of claims 1 to 5, wherein: the upper portion of the pump body extends outwards along the circumferential direction to form a butt joint block, the butt joint block is abutted to the top side inside the lock bottle cap, a gasket is sleeved outside the pump body, and the gasket is abutted to the lower portion of the butt joint block.

7. An emulsion pump according to any one of claims 1 to 5, wherein: the upper portion of the pump body extends out of the bottle locking cover upwards to form a fixed block, a first annular convex strip is arranged on the outer side of the fixed block along the circumferential direction, the upper portion of the lock cover extends out of the pump body and is bent outwards to form a buckling block, the buckling block is right opposite to the outer side of the fixed block, and a first annular groove matched with the first annular convex strip is arranged on one side, right opposite to the fixed block, of the buckling block along the circumferential direction.

8. An emulsion pump as claimed in claim 7, wherein: and a second annular convex strip is arranged on one side of the buckling block, which is far away from the fixed block, along the circumferential direction, the outer cover is covered on the upper part of the locking cover, and a second annular groove matched with the second annular convex strip is arranged on one side of the outer cover, which is just opposite to the buckling block, along the circumferential direction.

9. An emulsion pump according to any one of claims 1 to 5, wherein: the upper portion of the outer side wall of the main column is circumferentially provided with a clamping groove with an upward opening, and the lower portion of the press head is provided with a clamping block plugged in the clamping groove.

10. An emulsion pump as claimed in claim 9, wherein: the inside wall in joint groove is equipped with third annular sand grip along circumference, joint piece lateral wall along circumference be equipped with third annular sand grip complex third annular groove.