CN220600007U

CN220600007U - Overflow valve assembly

Info

Publication number: CN220600007U
Application number: CN202322340524.2U
Authority: CN
Inventors: 张大奎
Original assignee: A Ryung Machinery Dalian Co ltd
Current assignee: A Ryung Machinery Dalian Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-15
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses an overflow valve assembly body, which comprises a pump body, wherein a liquid inlet is formed in one side of the pump body, a plug is arranged on the other side of the pump body, a shaft hole is formed in the middle of the pump body, a first plane is formed in one side wall of the pump body, a second plane is formed in the side wall of the pump body, which is positioned between the liquid inlet and the plug, a screw hole is formed in the pump body, the screw hole is used for connecting the pump body with an overflow valve, and the use of raw materials of the pump body can be reduced through the arranged first plane and the second plane relative to the edge of a circular arc shape.

Description

Overflow valve assembly

Technical Field

The utility model relates to the technical field of gear pumps, in particular to an overflow valve assembly.

Background

The internal gear pump with overflow valve is composed of overflow valve assembly and internal gear pump assembly. The overflow valve assembly mainly comprises a cone valve seat, a cone valve core, a valve body, a spring seat, an adjusting screw and other parts. The internal gear pump assembly mainly comprises a pinion, an internal gear, a pump shell, a pump driving shaft and other parts.

The outer surface of the pump body of the gear pump which is installed by the existing overflow valve in a matched mode is generally an arc surface, so that the surface area of the pump body is increased, and the gear pump is inconvenient to take out from a die.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an overflow valve assembly body, which comprises a pump body, wherein one side of the pump body is provided with a liquid inlet, the other side of the pump body is provided with a plug, the middle part of the pump body is provided with a shaft hole, one side wall of the pump body is provided with a first plane, the side wall of the pump body, which is positioned at the liquid inlet and the plug, is provided with a second plane, and the pump body is provided with a screw hole which is used for connecting a screw to connect the pump body with an overflow valve.

Preferably: one side of the pump body, which is positioned in the shaft hole, is provided with a first mounting hole, and the first mounting hole is used for mounting the roller.

Preferably: the other side of the first mounting hole is provided with a second mounting hole, and the second mounting hole is used for mounting the compression ring and the sealing ring.

Preferably: the pump body is located the second mounting hole opening part inner wall and is provided with the seal groove, and the seal groove is used for installing the sealing washer.

Preferably: the pump body is provided with a third mounting hole at the other side of the shaft hole, and the third mounting hole is used for mounting the roller.

Preferably: a first oil cavity and a second oil cavity are formed in the pump body, the first oil cavity and the second oil cavity are respectively located at two sides of the shaft hole, and the first oil cavity is communicated with the liquid inlet.

Preferably: the pump body is fixed with the pump cover through the connecting screw, and two fixing holes are formed in the opposite angle of the pump body.

Preferably: and a positioning hole is formed in the other diagonal position of the pump body and is used for inserting a positioning sleeve.

Preferably: a first overflow hole is formed in one side of the pump body and is communicated with the first oil cavity.

Preferably: and a second overflow hole is further formed in the position, close to the first overflow hole, of the pump body, and the second overflow hole is communicated with the second oil cavity.

The utility model has the technical effects and advantages that:

according to the utility model, the use of raw materials of the pump body can be reduced by arranging the first plane and the second plane relative to the circular arc-shaped edge, and the first plane and the second plane are smooth planes, so that the pump body can be conveniently taken out of the die.

Drawings

FIG. 1 is a schematic diagram of an overflow valve assembly provided in an embodiment of the present application;

FIG. 2 is a schematic view of the structure of a pump body in an overflow valve assembly provided in an embodiment of the present application;

FIG. 3 is a schematic view of the structure of a first overflow aperture and a second overflow aperture in an overflow valve assembly provided in an embodiment of the present application;

FIG. 4 is a cross-sectional view of an overflow valve assembly provided by an embodiment of the present application;

fig. 5 is an enlarged schematic view of the structure a in fig. 4 in the relief valve assembly provided in the embodiment of the present application.

In the figure: 1. a pump body; 2. a liquid inlet hole; 201. a first liquid inlet hole; 202. an annular groove; 203. a connection part; 204. a second liquid inlet hole; 3. a plug; 4. a shaft hole; 5. a first mounting hole; 6. a second mounting hole; 7. sealing grooves; 8. positioning holes; 9. a fixing hole; 10. a first plane; 11. a second plane; 12. a third mounting hole; 13. a first oil chamber; 14. a second oil chamber; 15. a first overflow aperture; 16. a second overflow aperture; 17. screw holes.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 and 2, in this embodiment, an overflow valve assembly is provided, which includes a pump body 1, a liquid inlet 2 is provided on one side of the pump body 1, a plug 3 is provided on the other side of the pump body 1, a shaft hole 4 is provided in the middle of the pump body 1, a first mounting hole 5 is provided on one side of the shaft hole 4 of the pump body 1, the first mounting hole 5 is used for mounting a roller, a second mounting hole 6 is provided on the other side of the first mounting hole 5, the second mounting hole 6 is used for mounting a compression ring and a sealing ring, a sealing groove 7 is provided on the inner wall of the opening of the second mounting hole 6 of the pump body 1, a sealing ring is used for mounting the sealing groove 7, a third mounting hole 12 is provided on the other side of the shaft hole 4 of the pump body 1, and the third mounting hole 12 is used for mounting a roller.

Further, a first plane 10 is arranged on one side wall of the pump body 1, a second plane 11 is arranged on the side wall of the pump body 1, which is located on the liquid inlet 2 and the plug 3, and the use of raw materials of the pump body 1 can be reduced by arranging the first plane 10 and the second plane 11 relative to the edge of the circular arc, and the first plane 10 and the second plane 11 are smooth planes, so that the pump body 1 can be conveniently taken out from a die.

In this embodiment, referring to fig. 3, a first oil cavity 13 and a second oil cavity 14 are formed in the pump body 1, the first oil cavity 13 and the second oil cavity 14 are respectively located at two sides of the shaft hole 4, the first oil cavity 13 is communicated with the liquid inlet hole 2, a fixing hole 9 is formed at a diagonal position of the pump body 1, the fixing hole 9 is used for fixing the pump body 1 and the pump cover by a connecting screw, two fixing holes 9 are formed at another diagonal position of the pump body 1, a positioning hole 8 is used for inserting a positioning sleeve, positioning during installation of the pump body 1 is facilitated, a first overflow hole 15 is formed at one side of the pump body 1, the first overflow hole 15 is communicated with the first oil cavity 13, a second overflow hole 16 is formed at a position, close to the first overflow hole 15, of the pump body 1 is communicated with the second oil cavity 14, screw holes 17 and 17 are formed in the pump body 1 for connecting the pump body 1 and the overflow valve by the connecting screw, and through the design, installation of the overflow valve is facilitated.

In this embodiment, referring to fig. 4 and 5, the liquid inlet 2 includes a first liquid inlet 201 and a second liquid inlet 204, the diameter of the first liquid inlet 201 is larger than that of the second liquid inlet 204, a connecting portion 203 is disposed between the first liquid inlet 201 and the second liquid inlet 204, the connecting portion 203 is an annular inclined plane, an annular groove 202 is disposed at an opening at the outer side of the first liquid inlet 201, the annular groove 202 is used for placing a sealing ring, sealing is achieved after the pump body 1 and the overflow valve are installed, and the edge of the liquid inlet 2 can play a role of buffering during liquid inlet through the arrangement of the liquid inlet 2 with two diameters.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides an overflow valve assembly, includes pump body (1), its characterized in that, pump body (1) one side is provided with feed liquor hole (2), pump body (1) opposite side is provided with end cap (3), and shaft hole (4) have been seted up at pump body (1) middle part, pump body (1) lateral wall is provided with first plane (10), and pump body (1) are located feed liquor hole (2) and end cap (3) lateral wall and are provided with second plane (11), have seted up screw (17) on pump body (1), and screw (17) are used for connecting screw with pump body (1) and overflow valve connection.

2. An overflow valve assembly according to claim 1, characterized in that the pump body (1) is provided with a first mounting hole (5) at one side of the shaft hole (4), the first mounting hole (5) being for mounting a roller.

3. An overflow valve assembly according to claim 2, characterised in that the first mounting hole (5) is provided on the other side with a second mounting hole (6), the second mounting hole (6) being intended for mounting a pressure ring and a sealing ring.

4. The overflow valve assembly according to claim 1, characterized in that a sealing groove (7) is arranged on the inner wall of the opening of the second mounting hole (6) of the pump body (1), and the sealing groove (7) is used for mounting a sealing ring.

5. An overflow valve assembly according to claim 4, characterized in that the pump body (1) is provided with a third mounting hole (12) at the other side of the shaft hole (4), the third mounting hole (12) being used for mounting a roller.

6. The overflow valve assembly according to claim 5, wherein a first oil cavity (13) and a second oil cavity (14) are formed in the pump body (1), the first oil cavity (13) and the second oil cavity (14) are respectively located at two sides of the shaft hole (4), and the first oil cavity (13) is communicated with the liquid inlet hole (2).

7. The overflow valve assembly according to claim 1, wherein a pair of corners of the pump body (1) are provided with fixing holes (9), the fixing holes (9) are used for fixing the pump body (1) and the pump cover by connecting screws, and two fixing holes (9) are arranged.

8. The overflow valve assembly according to claim 7, characterized in that a positioning hole (8) is formed at the other diagonal of the pump body (1), and the positioning hole (8) is used for inserting a positioning sleeve.

9. The overflow valve assembly according to claim 1, wherein a first overflow hole (15) is formed in one side of the pump body (1), and the first overflow hole (15) is communicated with the first oil chamber (13).

10. The overflow valve assembly according to claim 9, wherein a second overflow hole (16) is further formed in the pump body (1) near the first overflow hole (15), and the second overflow hole (16) is communicated with the second oil cavity (14).