CN211852891U

CN211852891U - Four-way valve body and four-way valve thereof

Info

Publication number: CN211852891U
Application number: CN201922193480.9U
Authority: CN
Inventors: 张飞; 杜飞龙; 陈洪杰
Original assignee: CHONGQING HUACHAO METAL CO LTD
Current assignee: CHONGQING HUACHAO METAL CO LTD
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-11-03
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a four-way valve body and four-way valve thereof, the four-way valve body includes a valve main body, a first pipe connecting port, a second pipe connecting port, a third pipe connecting port and a fourth pipe connecting port are arranged on the peripheral wall of the valve main body, wherein the first pipe connecting port, the second pipe connecting port and the third pipe connecting port are sequentially positioned at one side of the valve main body at intervals, and the fourth pipe connecting port is positioned at the other side of the valve main body; the part of the inner wall of the valve main body, which is positioned around the fourth connecting pipe opening, is far away from the side where the first connecting pipe opening, the second connecting pipe opening and the third connecting pipe opening are positioned, and extends. The utility model discloses a reasonable structure setting has increased the fourth and has taken over the mouth of pipe and has arranged the distance between the slider in this valve main part in, and then has the resistance that reduces to receive the slider by the leading-in refrigerant to the valve body of fourth takeover mouth, reduces the loss of pressure of refrigerant, has the effect that improves this cross valve work efficiency.

Description

Four-way valve body and four-way valve thereof

Technical Field

The utility model belongs to the technical field of the air conditioning technology is relevant, especially relate to a cross valve body and cross valve thereof.

Background

The four-way valve is a control valve with four oil ports. The four-way valve is an indispensable component in refrigeration equipment, and the working principle of the four-way valve is that when a solenoid valve coil is in a power-off state, a pilot slide valve moves left under the drive of a right compression spring, high-pressure gas enters a right piston cavity after entering a capillary tube, on the other hand, gas in the left piston cavity is discharged, and due to the fact that pressure difference exists between two ends of a piston, the piston and a main slide valve move left, an exhaust pipe is communicated with an outdoor machine connecting pipe, the other two connecting pipes are communicated, and a refrigeration cycle is formed. When the solenoid valve coil is in the power-on state, the pilot slide valve overcomes the tension of the compression spring and moves to the right under the action of the magnetic force generated by the solenoid coil, high-pressure gas enters the left end piston cavity after entering the capillary tube, on the other hand, the gas in the right end piston cavity is discharged, and because of the pressure difference existing at the two ends of the piston, the piston and the main slide valve move to the right, the exhaust pipe is communicated with the indoor machine connecting pipe, and the other two connecting pipes are communicated, so that the heating cycle is formed.

At present, the side wall of the valve body of the existing four-way valve for connecting and connecting the connecting pipe is generally set to be planar, so that the distance between the inner wall of the valve body and the top of the sliding block arranged in the valve body is smaller, when the four-way valve works, the resistance of the sliding block on the refrigerant introduced into the valve body is larger, the pressure loss of the refrigerant is caused, and the working efficiency of the four-way valve is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing, it is necessary to provide a four-way valve body and a four-way valve thereof, which solve the technical problems in the prior art.

The valve comprises a valve main body, wherein a first pipe connecting port, a second pipe connecting port, a third pipe connecting port and a fourth pipe connecting port are formed in the peripheral wall of the valve main body, the first pipe connecting port, the second pipe connecting port and the third pipe connecting port are sequentially located on one side of the valve main body at intervals, and the fourth pipe connecting port is located on the other side of the valve main body; the part of the inner wall of the valve main body, which is positioned around the fourth connecting pipe opening, is far away from the side where the first connecting pipe opening, the second connecting pipe opening and the third connecting pipe opening are positioned, and extends.

As a preferable aspect of the present invention, the valve main body is located at a portion of the fourth nozzle, and extends toward a side where the first nozzle, the second nozzle and the third nozzle are located, and is formed as a bent convex portion.

In a preferred embodiment of the present invention, the bent convex portion has a circular arc-shaped structure, and/or the bent convex portion has a step-like structure.

In a preferred embodiment of the present invention, the bent convex portion and the peripheral wall are formed integrally.

As a preferable embodiment of the present invention, the bent convex portion is formed with a flange on an outer peripheral edge of the fourth nozzle.

As a preferred embodiment of the present invention, the bending convex portion and the flange are formed by punching the peripheral wall.

As the utility model discloses a preferred scheme, the valve main part is hollow cylinder, the fourth is taken over mouth and is greater than the cylinder internal diameter apart from first mouth of pipe, second mouth of pipe, the third shortest distance that connects the mouth of pipe.

The utility model discloses still ask for protection a cross valve, including the aforesaid arbitrary valve body, the valve body is in first mouth of pipe, second mouth of pipe and third mouth of pipe's position department rigid coupling has the disk seat, and be connected with the slider on the disk seat slidable, the slider can switch first mouth of pipe the second mouth of pipe the third mouth of pipe reaches intercommunication relation between the fourth mouth of pipe.

As a preferred scheme of the present invention, the valve body is respectively inserted with a connection pipe at the positions of the first connection pipe opening, the second connection pipe opening and the second connection pipe opening, and the connection pipe is connected and fixed with the valve seat; the valve body is also inserted with a connecting pipe at the position of the fourth connecting pipe opening.

As a preferable embodiment of the present invention, the slider protrudes toward the fourth nozzle and forms a connection chamber.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model provides a cross valve body and cross valve thereof sets up through reasonable structure, increases the fourth and takes over the mouth of pipe and arranges the distance between the slider in this valve main part in, and then has the resistance that the refrigerant that reduces to take over the mouth by the fourth and lead in to the valve body receives the slider, reduces the loss of pressure of refrigerant, has the effect that improves this cross valve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a four-way valve body according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a four-way valve according to an embodiment of the present invention.

10, a valve body; 11. a peripheral wall; 111. a first nozzle; 112. a second nozzle opening; 113. a third nozzle; 114. a fourth nozzle; 12. bending the convex part; 13. flanging; 20. a valve seat; 30. a slider; 31. connecting the chambers; 40. and (6) taking over.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 2, a four-way valve according to an embodiment of the present invention includes a valve body 10, a valve seat 20 disposed in the valve body 10, and a slider 30 slidably disposed on the valve seat 20.

Referring to fig. 1, the valve body 10 of the present embodiment includes a valve main body, four nozzle openings are defined on a peripheral wall 11 of the valve main body as a first nozzle opening 111, a second nozzle opening 112, a third nozzle opening 113 and a fourth nozzle opening 114, wherein the first nozzle opening 111, the second nozzle opening 112 and the third nozzle opening 113 are sequentially disposed on one side of the peripheral wall 11 at intervals, and the fourth nozzle opening 114 is disposed on the other side of the peripheral wall 44. The valve seat 20 is fixed at the positions of the first nozzle 111, the second nozzle 112 and the third nozzle 113 on the valve body 10, and the slider 30 slides on the valve seat 20 to switch the communication relationship among the first nozzle 111, the second nozzle 112, the third nozzle 113 and the fourth nozzle 114, so that the four-way valve is applied to an air conditioning system to switch the refrigerant flow path.

The valve body 10 is provided with a connecting pipe 40 at the positions of the first connecting pipe port 111, the second connecting pipe port 112 and the second connecting pipe port 113, and the connecting pipe 40 is fixedly connected with the valve seat 20; the valve body 10 is also inserted with a connection pipe 40 at the position of the fourth connection pipe port 114, so that the four-way valve can be respectively connected with a position pipeline through four connection pipes, and a refrigerant can flow in the four-way valve through the corresponding connection pipes.

The slider 30 of the present embodiment is formed as a connection chamber 31 protruding toward the fourth pipe connection port 113, and when the slider 30 slides on the valve seat 20, the connection chamber 31 of the slider 30 can selectively communicate with the first pipe connection port 111 and the second pipe connection port 112, and the second pipe connection port 112 and the third pipe connection port 113, thereby switching the four-way valve connection path.

In this embodiment, the portion of the inner wall of the valve body around the fourth nozzle 114 extends away from the side where the first nozzle 111, the second nozzle 112 and the third nozzle 113 are located, so as to increase the distance between the fourth nozzle 114 and the side where the first nozzle 111, the second nozzle 112 and the third nozzle 113 are located on the valve body 10.

Specifically, the portion of the valve body located at the fourth nozzle opening 114 extends toward the side away from the first nozzle opening 111, the second nozzle opening 112, and the third nozzle opening 113, and is formed as a bent convex portion 12.

The bent convex portion 12 is formed in an arc shape, and the bent convex portion 12 and the peripheral wall 11 are formed in an integrally molded structure. It should be understood that, a person skilled in the art may set the bending protrusion 12 to have a step-like structure or other irregular shapes according to the use requirement, and the bending protrusion 12 and the peripheral wall 11 may also have a split structure according to the use requirement, and specifically, the bending protrusion 12 may be fixed to the peripheral wall 11 by welding or the like.

Moreover, the bent convex portion 12 of the valve body 10 of the present embodiment forms a flange 13 on the outer periphery of the fourth nozzle 113, so that the valve body 10 can be applied to a four-way valve in which a nozzle is disposed at the position of the fourth nozzle 113 of the valve body 10, and specifically, the nozzle can be fixed on the flange 13 by welding, and the nozzles respectively disposed at the positions of the first nozzle 111, the second nozzle 112, and the third nozzle 113 can be fixed on the valve seat 20 by welding.

It should be noted that, the bent convex portion 12 and the flange 13 of the present embodiment are formed by press-forming the peripheral wall 11, and specifically, may be formed at one time in the process of processing the fourth nozzle 114 on the valve body 10, so as to process the bent convex portion 12 and the flange 13 on the peripheral wall of the valve body 10.

The valve body 10 is a hollow cylinder, and the shortest distance from the fourth nozzle 114 to the first nozzle 111, the second nozzle 112 and the third nozzle 113 is greater than the inner diameter of the cylinder. Wherein, the valve body 10 is a stainless steel valve body or a brass valve body. That is, the valve body 10 of the present embodiment may be prepared from a stainless steel material or a brass material.

To sum up, the utility model provides a cross valve body and cross valve thereof takes over the mouth setting with the fourth and keeps away from on the convex part of buckling of valve main part axis direction to this increases the fourth and takes over the mouth of pipe and arranges the distance between the slider in this valve main part in, and then has the resistance that the refrigerant that reduces to take over the mouth by the fourth and lead in to the valve body receives the slider, reduces the loss of pressure of refrigerant, has the effect that improves this cross valve work efficiency.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A four-way valve body comprises a valve main body, wherein a first pipe connecting port, a second pipe connecting port, a third pipe connecting port and a fourth pipe connecting port are formed in the peripheral wall of the valve main body, the first pipe connecting port, the second pipe connecting port and the third pipe connecting port are sequentially located on one side of the valve main body at intervals, and the fourth pipe connecting port is located on the other side of the valve main body; the method is characterized in that: the part of the inner wall of the valve main body, which is positioned around the fourth connecting pipe opening, is far away from the side where the first connecting pipe opening, the second connecting pipe opening and the third connecting pipe opening are positioned, and extends.

2. The four-way valve body of claim 1, wherein: the valve body is located in the portion, located at the fourth nozzle, of the valve body, extends towards the side, away from the first nozzle, the second nozzle and the third nozzle, and is formed into a bent convex portion.

3. The four-way valve body of claim 2, wherein: the bending convex part is of an arc-shaped structure, and/or the bending convex part is of a step-shaped structure.

4. The four-way valve body of claim 2, wherein: the bending convex part and the peripheral wall are of an integrally formed structure.

5. The four-way valve body of claim 2, wherein: and a flange is formed on the outer periphery of the fourth pipe connecting opening by the bent convex part.

6. The four-way valve body of claim 5, wherein: the bending convex part and the flanging are formed by punching the peripheral wall.

7. The four-way valve body of claim 1, wherein: the valve main body is a hollow cylinder, and the shortest distance from the fourth pipe connecting port to the first pipe connecting port, the second pipe connecting port and the third pipe connecting port is larger than the inner diameter of the cylinder.

8. A four-way valve is characterized in that: the valve body according to any one of claims 1 to 7, wherein a valve seat is fixedly connected to the valve body at the positions of the first nozzle, the second nozzle and the third nozzle, and a slider is slidably connected to the valve seat and can switch the communication relationship among the first nozzle, the second nozzle, the third nozzle and the fourth nozzle.

9. The four-way valve of claim 8, wherein: the valve body is respectively inserted with a connecting pipe at the positions of the first connecting pipe opening, the second connecting pipe opening and the second connecting pipe opening, and the connecting pipes are fixedly connected with the valve seat; the valve body is also inserted with a connecting pipe at the position of the fourth connecting pipe opening.

10. The four-way valve of claim 8, wherein: the slide block protrudes towards the position of the fourth nozzle opening and is formed into a connecting chamber.