CN212244516U

CN212244516U - Press pump and have this bottle of pressing pump

Info

Publication number: CN212244516U
Application number: CN202020898085.0U
Authority: CN
Inventors: 阮荣涛
Original assignee: Zhejiang Jinsheng New Materials Co ltd
Current assignee: Zhejiang Jinsheng New Materials Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-29
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a press down pump and have this press down bottle according to pump, including pump seat, elastic sleeve, pump jacket, press the lid, the pump jacket includes that the cross-section is the inner jacket portion of U-shaped, by the outside horizontally extension in inner jacket portion upper end flat-connection portion that forms, by the last inboard cover portion that flat-connection portion outer end downwardly perpendicular extension formed, the elastic sleeve includes main cover portion, connects the sealing in main cover portion upper end, be equipped with at least one on the vertical side of inner jacket portion and go out the liquid hole, press the lid and include the honeycomb duct, main cover portion inner chamber, go out liquid hole and honeycomb duct inner chamber and form the water conservancy diversion passageway, the laminating of vertical side of sealing and inner jacket portion and then cut off the water conservancy diversion passageway, press the lid makes elastic sleeve take place elastic deformation and make the sealing throw off inner jacket portion and switch on the water conservancy diversion passageway. The utility model discloses structural design is ingenious simple, has simplified the structure of pressing the pump greatly, is favorable to reducing the raw materials consumption, improves injection efficiency and assembly efficiency, can effectively avoid pressing the bottle to take place the weeping when empting.

Description

Press pump and have this bottle of pressing pump

Technical Field

The utility model relates to a cosmetic packaging technical field especially relates to a press the pump and have this bottle of pressing down according to press the pump.

Background

Most of the common liquid cosmetics in the market adopt a pressing pump form for convenient use, and when the pressing pump is manually pressed, liquid in a bottle is sucked by air pressure and is sprayed out by a pressing cover. The traditional pressing pump usually comprises a pressing cover, an upper piston rod, a lower piston rod, a spring, a one-way valve, a piston, a pump seat and other components, so that the raw material consumption is high, the production and assembly costs time and labor, the production efficiency is not promoted, and the production cost is controlled, therefore, people begin to research how to simplify the structure of the pressing pump, but the problem of liquid leakage of the pressing pump after simplification is still an important factor which troubles the research of products.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned prior art not enough, provide one kind and press the pump and have this bottle of pressing down according to the pressure of pump, structural design is ingenious simple, has simplified the structure of pressing the pump greatly, is favorable to reducing raw materials consumption, improves injection efficiency and assembly efficiency, can effectively avoid pressing the bottle and take place the weeping when empting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a press pump, includes the pump mount, locate pump mount inner chamber and crimping at the elastic sleeve of pump mount middle part center department, with pump cover, the lock joint lid on pump cover upper portion that elastic sleeve upper portion cooperation registrate, the pump cover includes that the cross-section is the inner cup portion of U-shaped, by the outside horizontally extension of inner cup portion upper end flat-connection portion that forms, by the last inboard cover portion that flat-connection portion outer end downwardly perpendicular extension formed, the elastic sleeve includes main cover portion, connects the sealing portion in main cover portion upper end, be equipped with at least one liquid hole on the vertical side of inner cup portion, press the lid and include the honeycomb duct, main cover portion inner chamber, liquid hole and honeycomb duct inner chamber form the water conservancy diversion passageway, the laminating of the vertical side of sealing portion and inner cup portion and then cut off the water conservancy diversion passageway, press the lid makes elastic sleeve take place elastic deformation and make the sealing portion throw off inner cup portion and switch on the water conservancy diversion passageway.

The elastic sleeve further comprises a nested part connected to the upper end of the main sleeve part, the sealing part and the inner and outer rings of the nested part are arranged at intervals, and the lower surface of the butt joint part is attached to the upper end face of the nested part.

The annular outer wall of the nesting part is attached to the annular inner wall of the upper inner side sleeve part.

The pump sleeve further comprises a buckling part connected to the upper surface of the flat joint part, and the buckling part is buckled with the flow guide pipe.

The pump seat comprises a partition plate part which divides the pump seat into an upper inner cavity and a lower inner cavity, and a one-way valve part which is used for controlling the communication or partition of the two inner cavities of the pump seat is arranged in the main sleeve part.

The elastic sleeve is integrally formed and is made of TPE materials.

The pump sleeve is integrally formed and is made of PP materials.

The pressing bottle comprises a bottle body with openings at the upper end and the lower end and a pressing pump, and the lower part of the pump seat is buckled with the upper part of the bottle body.

The bottle body is internally provided with a piston in a fitting manner.

The pressing bottle also comprises a bottom cover for sealing the lower opening of the bottle body and an outer cover buckled on the outer wall of the upper part of the pump seat.

The utility model has the advantages that: the pressing pump comprises four parts, namely a pressing cover, an elastic sleeve, a pump sleeve and a pump base, the elastic sleeve and the pump sleeve can be stably connected through tight fit, the purpose of pumping liquid is achieved by utilizing elastic deformation of the elastic sleeve, the structure design is ingenious and simple, the structure of the pressing pump is greatly simplified, raw material consumption is reduced, and injection molding efficiency and assembly efficiency are improved; the liquid outlet hole in the sealing part of the elastic sleeve is used for sealing the pump sleeve, so that the sealing effect of the pressing bottle is realized, liquid leakage when the pressing bottle is toppled over can be effectively avoided, vacuumizing liquid leakage detection before delivery can be carried out without plugging the plug into the pressing cover, and the problem that the liquid leakage problem existing after the structure of the pressing pump is simplified in the current research is difficult to process is solved.

Drawings

Fig. 1 is a schematic structural view of a push pump according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a perspective view of the pump mount of the present invention;

fig. 4 is a perspective view of the elastic sleeve of the present invention;

fig. 5 is a perspective view of the pump housing of the present invention;

fig. 6 is a schematic structural view of the pressing bottle of the present invention;

fig. 7 is an enlarged view at B in fig. 6.

In the figure: the pump base 1, the upper abutting part 11, the partition plate part 12, the convex buckle 13, the convex ring 14, the elastic sleeve 2, the main sleeve part 21, the sealing part 22, the nesting part 23, the one-way valve part 24, the pump sleeve 3, the inner sleeve part 31, the butt joint part 32, the upper inner sleeve part 33, the connecting part 34, the lower inner sleeve part 35, the outer sleeve part 36, the buckling part 37, the liquid outlet hole 38, the buckling ring groove 39, the press cover 4, the flow guide pipe 41, the side cover part 42, the lower abutting part 43, the buckling ring 44, the bottle body 5, the concave ring groove 51, the piston 6, the bottom cover 7, the outer cover 8 and the clamping groove 81.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 7, a pressing pump includes a pump base 1, an elastic sleeve 2 disposed in an inner cavity of the pump base 1 and pressed at a center of a middle portion of the pump base 1, a pump sleeve 3 fitted with an upper portion of the elastic sleeve 2, and a pressing cap 4 fastened to an upper portion of the pump sleeve 3, wherein the elastic sleeve 2 is integrally formed, and the elastic sleeve 2 is made of TPE material; the TPE is a thermoplastic elastomer, has the characteristics of high elasticity, high strength, high resilience and injection molding processing, and can ensure the functions of high elasticity and high resilience of the elastic sleeve 2; the pump sleeve 3 is integrally formed, and the pump sleeve 3 is made of PP materials.

The pump sleeve 3 comprises an inner sleeve part 31 with a U-shaped section, a butt joint part 32 formed by horizontally extending the upper end of the inner sleeve part 31 outwards, and an inner sleeve part 33 formed by vertically extending the outer end of the butt joint part 32 downwards, the elastic sleeve 2 comprises a main sleeve part 21 and a sealing part 22 connected to the upper end of the main sleeve part 21, the elastic sleeve 2 further comprises a nested part 23 connected to the upper end of the main sleeve part 21, the sealing part 22 and the nested part 23 are arranged at intervals, and the lower surface of the butt joint part 32 is attached to the upper end face of the nested part 23. The wall thickness of the main sleeve part 21 is 1.27mm, the wall thickness of the sealing part 22 is 0.254mm, and the distance between the two parts provides enough deformation space for the deformation of the sealing part 22. The annular outer wall of the nesting portion 23 is attached to the annular inner wall of the upper inner sleeve portion 33, and the elastic sleeve 2 is further and stably connected with the pump sleeve 3 by utilizing the friction effect between the nesting portion 23 and the upper inner sleeve portion 33.

Be equipped with at least one on the vertical side of inner race portion 31 and go out liquid hole 38, press lid 4 to include honeycomb duct 41, the 21 inner chambers of main race portion, play liquid hole 38 and honeycomb duct 41 inner chambers form the water conservancy diversion passageway, the laminating of the vertical side of sealing portion 22 and inner race portion 31 and then cut off the water conservancy diversion passageway presses lid 4 to make elastic sleeve 2 take place elastic deformation and make sealing portion 22 break away from inner race portion 31 and switch on the water conservancy diversion passageway.

The pump housing 3 further comprises a fastening portion 37 connected to the upper surface of the flat portion 32, and the fastening portion 37 is fastened to the flow guide tube 41. The concrete connection mode is as follows: the annular inner wall of the buckling part 37 is provided with a buckling ring groove 39, and the annular outer wall of the lower part of the guide pipe 41 is provided with a buckling ring 44 buckled into the buckling ring groove 39.

The pump sleeve 3 further comprises a connecting portion 34 formed by extending the lower end of the upper inner sleeve portion 33 outwards and downwards, a lower inner sleeve portion 35 formed by extending the lower end of the connecting portion 34 downwards, and an outer sleeve portion 36 formed by extending the lower end of the lower inner sleeve portion 35 and having a U-shaped cross section, wherein the connecting portion 34 plays a role in guiding when the elastic sleeve 2 is installed, namely, the nesting portion 23 can slide in along the connecting portion 34 to be attached to the upper inner sleeve portion 33, the structural strength of the pump sleeve 3 is ensured through the structural design, the use of raw materials can be reduced, the inner diameter of the lower inner sleeve portion 35 is larger than the outer diameter of the main sleeve portion 21, and a deformation space is provided for the deformation of the main sleeve portion 21 through the design.

The press cover 4 also comprises a side cover part 42, the lower end of the side cover part 42 is bent outwards to form a lower abutting part 43, and the lower abutting part 43 is connected with the inner wall of the upper part of the pump seat 1 in a sliding way; the upper end of the pump base 1 is bent inward to form an upper abutting part 11 which is abutted with the lower abutting part 43 up and down, and the upper abutting part 11 is arranged to prevent the push cap 4 from being separated from the pump base 1.

The pump base 1 comprises a partition plate part 12 which divides the pump base 1 into an upper cavity and a lower cavity, and a one-way valve part 24 which is used for controlling the communication or partition of the two cavities of the pump base 1 is arranged in the main sleeve part 21. The partition 12 has a through hole in the center, and the one-way valve 24 closes the through hole, and the one-way valve 24 is equivalent to a one-way valve commonly used in the market, and has the same structure and operation principle as the one-way valve.

Press the bottle including the equal open-ended body 5 in upper and lower both ends and press the pump, 1 lower part of pump seat and 5 upper portion lock joints of body, concrete lock joint mode is: the lower annular outer wall of the lower part of the pump seat 1 is provided with a convex ring 14, and the upper annular outer wall of the bottle body 5 is provided with a concave ring groove 51 for the convex ring 14 to buckle into.

A piston 6 is arranged in the bottle body 5 in a fitting manner.

The pressing bottle also comprises a bottom cover 7 for sealing the lower opening of the bottle body 5 and an outer cover 8 buckled on the outer wall of the upper part of the pump seat 1. The bottom cover 7 is fixedly bonded with the bottle body 5 through glue. The specific fastening method of the outer cover 8 and the pump base 1 is as follows: the lower annular inner wall of the outer cover 8 is provided with a clamping groove 81, and the circumference of the upper annular outer wall of the pump seat 1 is evenly provided with convex buckles 13 which are buckled into the clamping groove 81.

The utility model discloses a theory of operation is: pressing the pressing cover 4 downwards, moving the pressing cover 4 downwards to extrude the elastic sleeve 2 to enable the main sleeve part 21 to expand outwards so as to compress the gas in the main sleeve part 21, continuously pressing the pressing cover 4 downwards, enabling the sealing part 22 to deform and expand outwards so as to enable the inner cavity of the main sleeve part 21 to be communicated with the inner cavity of the flow guide pipe 41, discharging the compressed gas through the liquid outlet hole 38 and the inner cavity of the flow guide pipe 41, enabling the air pressure in the main sleeve part 21 to be reduced, at the moment, the air pressure in the bottle body 5 is larger than the air pressure in the main sleeve part 21, and enabling the liquid in the bottle body 5 to break the one-way valve part 24 to enter the main sleeve part 21 and be sprayed out through the liquid.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a press the press pump, includes pump seat (1), locate pump seat (1) inner chamber and crimping in elastic sleeve (2) of pump seat (1) middle part center department, with pump cover (3) that elastic sleeve (2) upper portion cooperation registrated, lock joint press lid (4) on pump cover (3) upper portion, its characterized in that: the pump sleeve (3) comprises an inner sleeve part (31) with a U-shaped section, a flat connection part (32) formed by horizontally extending the upper end of the inner sleeve part (31) outwards, and an upper inner side sleeve part (33) formed by vertically extending the outer end of the flat connection part (32) downwards, the elastic sleeve (2) comprises a main sleeve part (21) and a sealing part (22) connected with the upper end of the main sleeve part (21), at least one liquid outlet hole (38) is arranged on the vertical side of the inner sleeve part (31), the press cover (4) comprises a flow guide pipe (41), a flow guide channel is formed by the inner cavity of the main sleeve part (21), the liquid outlet hole (38) and the inner cavity of the flow guide pipe (41), the sealing part (22) is attached to the vertical side of the inner sleeve part (31) to further separate the flow guide channel, and the pressing cover (4) is pressed to enable the elastic sleeve (2) to be elastically deformed and enable the sealing part (22) to be separated from the inner sleeve part (31) to conduct the flow guide channel.

2. The compression pump as set forth in claim 1, wherein: elastic sleeve (2) still including connecting nested portion (23) in main cover portion (21) upper end, seal portion (22) and nested portion (23) inner and outer lane interval set up, the laminating of butt joint portion (32) lower surface and nested portion (23) up end.

3. The pressing pump according to claim 2, wherein: the annular outer wall of the nesting part (23) is attached to the annular inner wall of the upper inner side sleeve part (33).

4. The compression pump as set forth in claim 1, wherein: the pump sleeve (3) further comprises a buckling part (37) connected to the upper surface of the flat part (32), and the buckling part (37) is connected with the guide pipe (41) in a buckling mode.

5. The compression pump as set forth in claim 1, wherein: the pump seat (1) comprises a partition plate part (12) which divides the pump seat (1) into an upper inner cavity and a lower inner cavity, and a one-way valve part (24) which is used for controlling the communication or partition of the two inner cavities of the pump seat (1) is arranged in the main sleeve part (21).

6. The compression pump as set forth in claim 1, wherein: the elastic sleeve (2) is integrally formed, and the elastic sleeve (2) is made of TPE materials.

7. The compression pump as set forth in claim 1, wherein: the pump sleeve (3) is integrally formed, and the pump sleeve (3) is made of PP materials.

8. A squeeze bottle having a squeeze pump according to any one of claims 1 to 7, wherein: the pressing bottle comprises a bottle body (5) with openings at the upper end and the lower end and a pressing pump, and the lower part of the pump seat (1) is buckled with the upper part of the bottle body (5).

9. A squeeze bottle as defined in claim 8, wherein: a piston (6) is arranged in the bottle body (5) in a fitting manner.

10. A squeeze bottle as defined in claim 9, wherein: the pressing bottle also comprises a bottom cover (7) for sealing the lower opening of the bottle body (5) and an outer cover (8) fastened on the outer wall of the upper part of the pump seat (1).