CN218818427U

CN218818427U - Valve body connecting structure of four-way valve

Info

Publication number: CN218818427U
Application number: CN202222851451.9U
Authority: CN
Inventors: 俞新良; 袁美青; 俞金夫
Original assignee: Shaoxing Hezhong Machinery Manufacturing Co ltd
Current assignee: Shaoxing Hezhong Machinery Manufacturing Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-07
Anticipated expiration: 2032-10-28

Abstract

The invention provides a valve body connecting structure of a four-way valve, which comprises a valve body, wherein four connecting pipes are arranged on the valve body, three of the connecting pipes are used as outlet pipes and are arranged on the same side of the valve body in parallel, and the other connecting pipe is used as an inlet pipe and is bent to be in the same direction as the outlet pipe after being led out from the opposite side; the valve body is provided with an inlet seat for butting an inlet pipe and an outlet seat for butting an outlet pipe, the inner wall of the opening end of the inlet seat is provided with an inlet pipe clamping groove, and the outer wall of the opening end of the outlet seat is provided with an outlet pipe clamping groove; the inlet pipe comprises a body, one end of the body is provided with a U-shaped bent part, and the tail end of the U-shaped bent part is connected with the inlet seat. The invention has reasonable structural design, can carry out butt joint of the connecting pipe and the external pipeline at the same side when being installed and used, and is very convenient. In the process that the medium passes through the valve body, the wall-following loss is small, the impact vibration is small, the noise is low, meanwhile, the position precision of the connecting pipe is high, the connecting structure between the connecting pipe and the valve body is stable, and the strength is guaranteed.

Description

Valve body connecting structure of four-way valve

Technical Field

The invention belongs to the technical field of valve design and manufacture, and particularly relates to a valve body connecting structure of a four-way valve.

Background

The four-way valve is an indispensable component in refrigeration equipment, a main valve of a common four-way electromagnetic reversing valve in the market at present is formed by welding a main valve body and a main valve seat, and a connecting pipe is welded on the main valve body. In the prior art, the side wall of the valve body of the four-way valve, which is used for butt-jointing the inlet connecting pipe and the outlet connecting pipe, is usually provided with a direct hole, and the connecting pipe is welded at the hole. There is therefore a need for improvements in existing connection structures.

Disclosure of Invention

In view of this, the present invention provides a valve body connecting structure of a four-way valve, which aims to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a valve body connecting structure of a four-way valve comprises a valve body, wherein four connecting pipes are arranged on the valve body, three of the connecting pipes are used as outlet pipes and are arranged on the same side of the valve body in parallel, and the other connecting pipe is used as an inlet pipe and is bent to be in the same direction as the outlet pipe after being led out from the opposite side;

the valve body is provided with an inlet seat for butting an inlet pipe and an outlet seat for butting an outlet pipe, an inlet pipe clamping groove is formed in the inner wall of the opening end of the inlet seat, and an outlet pipe clamping groove is formed in the outer wall of the opening end of the outlet seat;

the inlet pipe comprises a body, a U-shaped bent part is arranged at one end of the body, and the tail end of the U-shaped bent part is connected with the inlet seat.

Further, the body axial direction of the inlet pipe is the same as the outlet pipe axial direction.

Further, of the three connection pipes as the outlet pipes, the length of the connection pipe at the middle position is longer than the length of the connection pipes at both sides thereof.

Furthermore, the inlet seat and the outlet seat are welded and fixed on the valve body.

Furthermore, the tail end of the inlet pipe is provided with an outer clamping groove matched with the clamping groove of the inlet pipe.

Further, the diameter of the inner hole of the inlet seat is the same as the inner diameter of the inlet pipe.

Further, the tail end of the outlet pipe is provided with an inner clamping groove matched with the outlet pipe clamping groove.

Further, the inner diameter of the outlet pipe is the same as the inner diameter of the outlet seat.

Furthermore, the inlet pipe is welded with the inlet seat, and the outlet pipe is welded with the outlet seat.

Compared with the prior art, the invention has the following advantages:

the four-way valve is reasonable in structural design, the tail ends of the four connecting pipes are arranged in the same direction, so that the four-way valve is easier to operate in installation and arrangement, the connecting pipes and an external pipeline can be butted at the same side when the four-way valve is installed and used, and the four-way valve is very convenient. The medium gets into the valve body by the import pipe and the medium is by the in-process that the valve body flows out through the outlet pipe, along the wall loss little, impact vibrations are little, the noise is low, simultaneously, the takeover position precision is high, and the connection structure is stable between takeover and valve body, and intensity is secure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic view of a connection structure of a valve body and a connecting pipe in the invention;

FIG. 2 is a schematic view of an inlet pipe in the invention;

FIG. 3 is a schematic view of a valve body in the invention;

FIG. 4 is a schematic view of the outlet tube and outlet seat portion of the present invention;

FIG. 5 is a schematic view of the inlet tube and inlet seat portion of the present invention;

FIG. 6 is a schematic view of the outlet base of the present invention;

FIG. 7 is a schematic view of an inlet seat in the invention;

FIG. 8 is a schematic view of an outlet tube with an internal clamping groove in an embodiment of the invention;

FIG. 9 is a schematic view of an inlet housing with an external card slot in an embodiment of the invention;

FIG. 10 is a schematic view of the outlet tube of FIG. 8 connected to an outlet base;

fig. 11 is a schematic view of the inlet tube of fig. 9 coupled to an inlet seat.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A valve body connecting structure of a four-way valve is shown in figures 1 to 7 and comprises a valve body 1, wherein four connecting pipes are arranged on the valve body, three of the connecting pipes are used as outlet pipes 2 and are arranged on the same side of the valve body in parallel, and the other connecting pipe is used as an inlet pipe 3 and is bent to be in the same direction as the outlet pipe after being led out from the opposite side; an inlet seat 4 for butting an inlet pipe and an outlet seat 5 for butting an outlet pipe are arranged on the valve body, an inlet pipe clamping groove 6 is formed in the inner wall of the opening end of the inlet seat, and an outlet pipe clamping groove 7 is formed in the outer wall of the opening end of the outlet seat; the inlet pipe comprises a body 8, one end of the body is provided with a U-shaped bent part 9, and the tail end of the U-shaped bent part is connected with the inlet seat.

Usually, the inlet seat and the outlet seat are welded to the valve body, the inlet pipe is welded to the inlet seat, and the outlet pipe is welded to the outlet seat. The axial direction of the body of the inlet pipe is the same as the axial direction of the outlet pipe, and the length of the connecting pipe in the middle of the three connecting pipes serving as the outlet pipe is larger than the lengths of the connecting pipes on the two sides of the connecting pipe. The four-way valve is easier to operate in installation and arrangement, the butt joint of the connecting pipe and an external pipeline can be carried out at the same side, and the four-way valve is very convenient.

In an alternative embodiment, as shown in fig. 8 to 11, the inlet tube is provided at its end with an external bayonet 10 which fits into the bayonet of the inlet tube, the diameter of the inner bore of the inlet seat being the same as the inner diameter of the inlet tube. The tail end of the outlet pipe is provided with an inner clamping groove 11 matched with the outlet pipe clamping groove, and the inner diameter of the outlet pipe is the same as that of the inner hole of the outlet seat. The structure design makes the butt joint structure between the inlet pipe and the inlet seat and between the outlet pipe and the outlet seat more stable.

Certainly, in order to simplify the processing operation, reduce the manufacturing degree of difficulty, in another optional embodiment, the import pipe is terminal, the outlet pipe end all no longer carries out secondary operation (i.e. no longer processes out the draw-in groove structure), directly with the cartridge of import pipe in the import seat, make its terminal and the cooperation of the interior draw-in groove of import seat, and the direct suit of outlet pipe is on the outer draw-in groove of export seat, guarantee outlet pipe and export seat stable cooperation, then weld, the structural stability of takeover is secure, can ensure that the medium flows the process low impact and low noise, make the processing degree of difficulty and processing cost lower simultaneously, the takeover is higher with corresponding export seat or import seat butt joint structural strength.

The four-way valve is reasonable in structural design, the tail ends of the four connecting pipes are arranged in the same direction, so that the four-way valve is easier to operate in installation and arrangement, the connecting pipes and an external pipeline can be butted at the same side when the four-way valve is installed and used, and the four-way valve is very convenient. In the process that the medium enters the valve body from the inlet pipe and flows out from the valve body through the outlet pipe, the wall-following loss is small, the impact vibration is small, the noise is low, meanwhile, the position accuracy of the connecting pipe is high, the size consistency among products is good, the interchangeability is improved, in addition, the connecting structure between the connecting pipe and the valve body is stable, and the strength is more guaranteed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. The utility model provides a valve body connection structure of cross valve which characterized in that: the valve comprises a valve body, wherein four connecting pipes are arranged on the valve body, three of the connecting pipes are used as outlet pipes and are arranged on the same side of the valve body in parallel, and the other connecting pipe is used as an inlet pipe and is bent to be in the same direction as the outlet pipe after being led out from the opposite side;

2. The valve body connecting structure of a four-way valve according to claim 1, characterized in that: the axial direction of the body of the inlet pipe is the same as the axial direction of the outlet pipe.

3. The valve body connecting structure of a four-way valve according to claim 1, characterized in that: of the three connection pipes as outlet pipes, the length of the connection pipe in the middle position is longer than the length of the connection pipes on both sides.

4. The valve body connecting structure of a four-way valve according to claim 1, wherein: the inlet seat and the outlet seat are welded and fixed on the valve body.

5. The valve body connecting structure of a four-way valve according to claim 1, wherein: and the tail end of the inlet pipe is provided with an outer clamping groove matched with the clamping groove of the inlet pipe.

6. The valve body connecting structure of a four-way valve according to claim 5, wherein: the diameter of the inner hole of the inlet seat is the same as the inner diameter of the inlet pipe.

7. The valve body connecting structure of a four-way valve according to claim 1, characterized in that: and the tail end of the outlet pipe is provided with an inner clamping groove matched with the outlet pipe clamping groove.

8. The valve body connecting structure of a four-way valve according to claim 7, wherein: the inner diameter of the outlet pipe is the same as the inner diameter of the outlet seat.

9. The valve body connecting structure of a four-way valve according to any one of claims 1 to 8, characterized in that: the inlet pipe is welded with the inlet seat, and the outlet pipe is welded with the outlet seat.