CN218913080U

CN218913080U - Pump body structure

Info

Publication number: CN218913080U
Application number: CN202223154923.1U
Authority: CN
Inventors: 吕辰飞
Original assignee: Yongkang Yilai Industry And Trade Co ltd
Current assignee: Yongkang Yilai Industry And Trade Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-25
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a pump body structure. The device comprises a main body unit, wherein the main body unit comprises a liquid inlet channel and a liquid outlet channel, at least two fluid channels for communicating the liquid inlet channel and the liquid outlet channel are arranged between the liquid inlet channel and the liquid outlet channel, and a first one-way valve for liquid inlet and a second one-way valve for liquid outlet are arranged in the fluid channels; the main body unit is provided with at least two plunger pumps, movable columns of the plunger pumps are arranged in installation cavities communicated with the fluid channels, and the installation cavities correspond to the fluid channels one by one. The utility model can connect two plunger pumps into a whole, effectively improves the overall pressure of the pump body, and expands the application range and field of the pump body.

Description

Pump body structure

Technical Field

The utility model relates to the technical field of water pumps, in particular to a pump body structure.

Background

In the prior art, the pressure ratio of the diaphragm pump is relatively small, which can be used only for conventional spraying, while the pressure ratio of the plunger pump is relatively large, which can be used for high-pressure spraying.

For the current situation that the requirements of products are higher and higher, the pressure of the plunger pump of the motor is difficult to meet the requirements, so that it is necessary to develop a plunger pump in a double-motor form, but how to combine two groups of plunger pumps to mutually cooperate to raise the pressure is a difficult problem which is difficult to overcome in the industry, and therefore, the applicant improves.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a pump body structure, which can realize the combination of a double-plunger pump and improve the pressure of the pump body through the improvement of a fluid channel.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the pump body structure comprises a main body unit, wherein the main body unit comprises a liquid inlet channel and a liquid outlet channel, at least two fluid channels for communicating the liquid inlet channel and the liquid outlet channel are arranged between the liquid inlet channel and the liquid outlet channel, and a first one-way valve for liquid inlet and a second one-way valve for liquid outlet are arranged in the fluid channels;

the main body unit is provided with at least two plunger pumps, movable columns of the plunger pumps are arranged in installation cavities communicated with the fluid channels, and the installation cavities correspond to the fluid channels one by one.

In the above aspect, preferably, the main body unit includes two first holes communicated with the liquid inlet channel, two second holes communicated with the liquid outlet channel, and two mounting covers, the first check valve is mounted at the first holes, and the second check valve is mounted in the second holes.

In the above scheme, preferably, the main body unit includes four first holes communicated with the liquid inlet channel, four second holes communicated with the liquid outlet channel, and four mounting covers, each plunger pump corresponds to two first holes, two second holes and two mounting covers, the first holes, the second holes and the mounting covers are symmetrically distributed on two sides of the main body unit, each first hole is respectively provided with a first one-way valve, and each second hole is respectively provided with a second one-way valve.

In the above aspect, preferably, two ends of the movable column respectively correspond to the fluid channels distributed on two sides.

In the above aspect, preferably, the mounting cover is fixedly mounted on the main body unit by a fastener.

In the above scheme, preferably, the plunger pump comprises a pump body, a shaft driven to rotate by the pump body and an eccentric part driven to act by the shaft, a notch is formed in the movable column, and the eccentric part is arranged at the notch.

In the above aspect, preferably, a turntable is mounted at the end of the shaft, and the eccentric member is eccentrically disposed on the turntable.

In the above scheme, preferably, the main body unit includes an air inlet and an air outlet communicated with the installation cavity, and a check valve is arranged at the air inlet and the air outlet.

In the above scheme, preferably, the mounting cover is provided with two first cavities corresponding to the first holes and the second holes, the two first cavities are mutually communicated, and the two first cavities, the corresponding first holes and the corresponding second holes form the fluid channel.

In the above aspect, preferably, the mounting cover has a second cavity corresponding to the mounting cavity, the second cavity is communicated with the first cavity, and at least part of the movable column is movable in the second cavity.

The beneficial effects of the utility model are as follows:

the utility model can connect two plunger pumps into a whole, effectively improves the overall pressure of the pump body, and expands the application range and field of the pump body.

Drawings

FIG. 1 is a schematic diagram of the present utility model.

Fig. 2 is a schematic diagram of a main unit of the present utility model.

Fig. 3 is a schematic view of the mounting cap of the present utility model.

Fig. 4 is a schematic diagram showing the fit state of the movable column and the eccentric member.

FIG. 5 is a schematic cross-sectional view of the inlet and outlet channels of the present utility model.

FIG. 6 is a schematic cross-sectional view of a fluid channel and a liquid inlet and outlet channel according to the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and detailed description:

referring to fig. 1-6, a pump body structure comprises a main body unit 1, wherein the main body unit 1 comprises a liquid inlet channel 2 and a liquid outlet channel 3, one end of the liquid inlet channel 2 is provided with a liquid inlet 21, liquid enters from the liquid inlet 21, at least two fluid channels are connected in the whole path of the liquid inlet channel 2, and each fluid channel corresponds to one plunger pump 4.

One end of the liquid outlet channel 3 is provided with a liquid outlet 31, and the liquid outlet channel 3 is communicated with all set fluid channels in the whole path, namely the fluid channels are used for communicating the liquid inlet channel 2 with the liquid outlet channel 3, so that liquid entering from the liquid inlet 21 can be discharged from the liquid outlet 31.

In this embodiment, as shown in fig. 2 and 3, the main body unit 1 includes a first hole 11 communicating with the liquid inlet channel 2, a second hole 12 communicating with the liquid outlet channel 3, and a mounting cover 5, where the number of the first hole 11, the second hole 12, and the mounting cover 5 may be two or four, for example, two, and each plunger pump 4 corresponds to one of the first hole 11, the second hole 12, and the mounting cover 5; if four plunger pumps are provided, each plunger pump 4 corresponds to two first holes 11, second holes 12 and mounting covers 5, and the first holes 11, the second holes 12 and the mounting covers 5 are symmetrically distributed on the front and the back of the main body unit 1.

As one of the embodiments of the mounting cover 5, it is fixedly mounted to the main body unit 1 by a fastener.

In this embodiment, a first check valve is disposed at the first hole 11, a second check valve is disposed at the second hole 12, as shown in fig. 3, two first cavities 51 corresponding to the first hole 11 and the second hole 12 are disposed on the mounting cover 5, the two first cavities 51 are mutually communicated, and the two first cavities 51 and the corresponding first hole 11 and second hole 12 form a fluid channel.

For the plunger pump 4, it includes a pump body, a shaft driven by the pump body to rotate, and an eccentric member 41 driven by the shaft to act, in this embodiment, a turntable 42 is mounted at an end of the shaft, the eccentric member 41 is eccentrically disposed on the turntable 42, a slot 431 is formed on the movable column 43, and the eccentric member 41 is disposed at the slot 431, as shown in fig. 4.

The movable column 43 of the plunger pump 4 is installed in the installation cavity 13 communicated with the fluid channels, as shown in fig. 4, the installation cover 5 is also provided with a second cavity 52 corresponding to the installation cavity 13, the second cavity 52 is further communicated with the two first cavities 51, the movable column 43 is in one-to-one correspondence with the fluid channels, in this embodiment, two ends of the movable column 43 respectively correspond to the fluid channels distributed on two sides, and in this embodiment, at least part of the movable column can move in the second cavity 52.

The main body unit 1 comprises an air inlet and an air outlet which are communicated with the installation cavity 13, and a one-way valve is arranged at the air inlet and the air outlet so as to prevent liquid leakage.

Specifically, through the downward action of the movable column of the plunger pump, liquid enters from the liquid inlet, enters the fluid channel through the first one-way valve at the first hole, then moves upwards through the movable column of the plunger pump, enters the liquid outlet channel from the second one-way valve at the second hole, finally is discharged from the liquid outlet, and the action process of one plunger pump is that the action of the other plunger pump is the same as or opposite to the action mode of the plunger pump according to actual needs, and the bidirectional channel of one plunger pump can further increase the discharge pressure of the liquid.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a pump body structure which characterized in that: the device comprises a main body unit, wherein the main body unit comprises a liquid inlet channel and a liquid outlet channel, at least two fluid channels for communicating the liquid inlet channel and the liquid outlet channel are arranged between the liquid inlet channel and the liquid outlet channel, and a first one-way valve for liquid inlet and a second one-way valve for liquid outlet are arranged in the fluid channels;

2. A pump body structure according to claim 1, wherein: the main body unit comprises two first holes communicated with the liquid inlet channel, two second holes communicated with the liquid outlet channel and two mounting covers, the first check valve is mounted at the first holes, and the second check valve is mounted in the second holes.

3. A pump body structure according to claim 1, wherein: the main body unit comprises four first holes communicated with the liquid inlet channel, four second holes communicated with the liquid outlet channel and four mounting covers, each plunger pump corresponds to two first holes, two second holes and two mounting covers, the first holes, the second holes and the mounting covers are symmetrically distributed on two sides of the main body unit, each first hole is respectively provided with a first one-way valve, and each second hole is respectively provided with a second one-way valve.

4. A pump body structure according to claim 1, wherein: the two ends of the movable column respectively correspond to the fluid channels distributed on the two sides.

5. A pump body structure according to claim 2 or 3, characterized in that: the mounting cover is fixedly mounted on the main body unit through a fastener.

6. A pump body structure according to claim 1, wherein: the plunger pump comprises a pump body, a shaft driven to rotate by the pump body and an eccentric part driven to act by the shaft, a notch is formed in the movable column, and the eccentric part is arranged at the notch.

7. The pump body structure of claim 6, wherein: the shaft end part is provided with a rotary disc, and the eccentric part is eccentrically arranged on the rotary disc.

8. A pump body structure according to claim 1, wherein: the main body unit comprises an air inlet and an air outlet which are communicated with the mounting cavity, and a one-way valve is arranged at the air inlet and the air outlet.

9. A pump body structure according to claim 2 or 3, characterized in that: the mounting cover is provided with two first cavities corresponding to the first holes and the second holes, the two first cavities are mutually communicated, and the two first cavities, the corresponding first holes and the corresponding second holes form the fluid channel.

10. A pump body structure according to claim 9, wherein: the mounting cover is provided with a second cavity corresponding to the mounting cavity, the second cavity is communicated with the first cavity, and at least part of the movable column can move in the second cavity.