CN214567478U

CN214567478U - Push type pressing pump

Info

Publication number: CN214567478U
Application number: CN202120547718.8U
Authority: CN
Inventors: 桂英财
Original assignee: Shenzhen Yidas Intelligent Sanitary Ware Technology Co ltd
Current assignee: Shenzhen Yidas Intelligent Sanitary Ware Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-02
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses a push type pressing pump, which comprises a pump body, wherein a piston cavity is arranged in the pump body, a piston is connected in the piston cavity in a sliding manner, the lower end of the piston is provided with a first sealing part which can be in sealing fit with the piston cavity, a liquid outlet channel which runs through the piston is arranged on the piston, the liquid outlet channel is connected with a liquid outlet pipe, a sliding plug is connected in the piston cavity in a sliding manner, a conical surface is arranged on the sliding plug, an elastic part which drives the sliding plug to reset upwards is also arranged in the piston cavity, a first one-way valve is arranged at the lower end of the piston cavity, and a second one-way valve is arranged on the sliding plug and/or the piston; through pressing down the drain pipe, make the piston downstream to cooperate first check valve and second check valve, in order to realize the function of pump, when the piston downstream, first sealing makes first sealing along the radial deformation of piston under the effect of conical surface, can improve the sealing performance between sealing and the piston chamber, avoid the shortcoming that the long-term leakproofness is poor, simple structure, with low costs, long service life moreover.

Description

Push type pressing pump

Technical Field

The utility model relates to a push type press pump.

Background

The press pump has a wide application range, is commonly used for packaging shampoo and disinfectant, and is required to be used for a long time, because the piston reciprocates in the piston cavity, after the press pump is used for a long time, the piston is easy to age and deform, the sealing property between the piston and the piston cavity is reduced, and the press pump is ineffective.

The utility model discloses it is not enough to solve prior art and research and propose promptly.

SUMMERY OF THE UTILITY MODEL

The pressing pump overcomes the defects that after the pressing pump in the prior art is used for a long time, the piston is easy to age and deform, the sealing performance between the piston and the piston cavity is reduced, and the pressing pump fails.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a push type press pump, includes the pump body, the pump body in be equipped with the piston chamber, piston intracavity sliding connection have a piston, the lower extreme of piston be equipped with can with the first sealing of the sealed complex in piston chamber, the piston on be equipped with the drain channel that runs through the piston, the drain channel be connected with the drain pipe, piston intracavity sliding connection have a slip stopper, the slip stopper on be equipped with the conical surface, the piston intracavity still be equipped with the elastic component that the drive slip stopper upwards resets, the lower extreme in piston chamber be equipped with first check valve, slip stopper and/or piston on be equipped with the second check valve, when pressing down the piston, first sealing makes first sealing along the radial deformation of piston under the effect of conical surface.

In the above-described push-type pump, the first sealing portion has a circular ring shape.

In the above-mentioned push-type pump, the sliding plug is provided with a through hole penetrating through the sliding plug.

In the above-mentioned push type pump, the second check valve is disposed on the through hole.

In the above-mentioned push-type pump, the piston is provided with a second sealing portion which is in sealing fit with the piston cavity.

According to the pressing type pressing pump, the liquid outlet pipe is L-shaped, and the pressing piece for pressing the liquid outlet pipe is sleeved on the liquid outlet pipe.

According to the pressing type pressing pump, the upper part of the pump body is provided with the limiting hook used for hooking the liquid outlet pipe to limit the upward movement stroke of the piston.

According to the pressing type pressing pump, the first one-way valve comprises a valve body which is in threaded connection with the lower end of the pump body, a conical sealing surface is arranged in the valve body, and a sealing bead which can be in sealing fit with the sealing surface is further arranged on the valve body.

In the above-described push-type pump, the elastic member is a spring.

The utility model has the advantages that:

this implement neotype press pump through pressing down the drain pipe, makes the piston downstream, and cooperate first check valve and second check valve, in order to realize the function of pump, when the piston downstream, first sealing makes first sealing along the radial deformation of piston under the effect of conical surface, can improve the sealing performance between sealing and the piston chamber, avoid the shortcoming that the long leakproofness of live time is poor, simple structure, with low costs, long service life moreover.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

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

FIG. 2 is an exploded view of the present invention;

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

FIG. 4 is an enlarged view of portion A labeled in FIG. 3;

FIG. 5 is an enlarged view of portion B labeled in FIG. 3;

fig. 6 is a schematic structural view of the middle piston and the sliding plug of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the push type pump of the present embodiment includes a pump body 1, a piston chamber 101 is disposed in the pump body 1, a piston 2 is connected in the piston cavity 101 in a sliding way, a first sealing part 21 which can be in sealing fit with the piston cavity 101 is arranged at the lower end of the piston 2, the piston 2 is provided with a liquid outlet channel 201 penetrating the piston 2, the liquid outlet channel 201 is connected with a liquid outlet pipe 3, a sliding plug 4 is connected in the piston cavity 101 in a sliding way, a conical surface 41 is arranged on the sliding plug 4, an elastic piece 5 for driving the sliding plug 4 to reset upwards is also arranged in the piston cavity 101, a first one-way valve 6 is arranged at the lower end of the piston cavity 101, a second one-way valve 7 is arranged on the sliding plug 4 and/or the piston 2, when the piston 2 is pressed downward, the first seal portion 21 deforms the first seal portion 21 in the radial direction of the piston by the tapered surface 41. This implement neotype press pump through pressing down the drain pipe, makes the piston downstream, and cooperate first check valve and second check valve, in order to realize the function of pump, when the piston downstream, first sealing makes first sealing along the radial deformation of piston under the effect of conical surface, can improve the sealing performance between sealing and the piston chamber, avoid the shortcoming that the long leakproofness of live time is poor, simple structure, with low costs, long service life moreover.

In this embodiment, in order to facilitate the deformation of the first sealing portion 21, the first sealing portion 21 is annular.

In this embodiment, the sliding plug 4 is provided with a through hole 401 penetrating through the sliding plug 4; to facilitate the installation of the second check valve 7, the second check valve 7 is provided on the through hole 401.

In order to improve the sealing effect between the piston and the piston cavity, a second sealing portion 22 is provided on the piston 2 to be in sealing engagement with the piston cavity 101.

In this embodiment, the liquid outlet pipe 3 is L-shaped, and in order to facilitate the movement of the driving piston, a pressing member 8 for pressing the liquid outlet pipe 3 is sleeved on the liquid outlet pipe 3.

In order to limit the upward movement stroke of the piston 2, a limit hook 11 for hooking the liquid outlet pipe 3 is arranged at the upper part of the pump body 1.

In this embodiment, the first check valve 6 includes a valve body 61 screwed to the lower end of the pump body 1, a tapered sealing surface 62 is provided in the valve body 61, and the valve body 61 is further provided with a sealing bead 63 capable of sealing and matching with the sealing surface 62.

In this embodiment, the elastic member 5 is a spring.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The push type pressing pump is characterized by comprising a pump body (1), a piston cavity (101) is arranged in the pump body (1), a piston (2) is connected in the piston cavity (101) in a sliding manner, a first sealing part (21) which can be in sealing fit with the piston cavity (101) is arranged at the lower end of the piston (2), a liquid outlet channel (201) which penetrates through the piston (2) is arranged on the piston (2), the liquid outlet channel (201) is connected with a liquid outlet pipe (3), a sliding plug (4) is connected in the piston cavity (101) in a sliding manner, a conical surface (41) is arranged on the sliding plug (4), an elastic part (5) which drives the sliding plug (4) to reset upwards is further arranged in the piston cavity (101), a first one-way valve (6) is arranged at the lower end of the piston cavity (101), and/or a second one-way valve (7) is/are/is arranged on the sliding plug (4) and the piston (2), when the piston (2) is pressed downward, the first sealing part (21) deforms the first sealing part (21) along the radial direction of the piston under the action of the conical surface (41).

2. The push-type pump according to claim 1, wherein the first sealing portion (21) has a circular ring shape.

3. The push type pump according to claim 1, wherein the sliding plug (4) has a through hole (401) formed therethrough.

4. A push-type pump according to claim 3 wherein the second one-way valve (7) is disposed in the through hole (401).

5. Push-type pump according to claim 1, characterized in that the piston (2) is provided with a second sealing (22) which sealingly engages the piston chamber (101).

6. The push type pressing pump as claimed in claim 1, wherein the liquid outlet tube (3) is "L" shaped, and the liquid outlet tube (3) is sleeved with a pressing member (8) for pressing the liquid outlet tube (3).

7. The push type pressing pump according to claim 1, wherein the upper portion of the pump body (1) is provided with a limiting hook (11) for hooking the liquid outlet pipe (3) to limit the upward movement stroke of the piston (2).

8. Push-type pump according to claim 1, characterized in that the first one-way valve (6) comprises a valve body (61) screwed to the lower end of the pump body (1), a conical sealing surface (62) is provided in the valve body (61), and the valve body (61) is further provided with a sealing bead (63) capable of sealing engagement with the sealing surface (62).

9. Push-type pump according to claim 1, characterized in that the resilient element (5) is a spring.