Four-way valve

Abstract

The utility model relates to the technical field of four-way valves and discloses a four-way valve which comprises a control body, a conveying mechanism is fixedly arranged on the top face of the control body in a penetrating mode, and a power mechanism is fixedly arranged on the back face of the control body in a penetrating mode. The conveying mechanism comprises a conveying part and a communicating part. The side face of the communicating part is fixedly connected with the side face of the conveying part. The bottom end surface of the first pipeline is fixedly connected with the inner wall of the top end of the control main body in a penetrating manner; the power mechanism comprises a power part and an adjusting part, and the side face of the adjusting part is fixedly connected with the side face of the power part. Through the arrangement of the power mechanism and the cooperative work of the electromagnetic coil and the moving block, when the air conversion direction is adjusted, the electromagnetic coil can be automatically started to work, the moving block can correspondingly communicate and adjust the conveying pipe A, the conveying pipe B and the communicating pipe, air conversion is rapidly achieved, and operation is easy and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of four-way valves, in particular to a four-way valve. Background Art

[0002] Four-way valve, a hydraulic valve term, is a control valve with four oil ports. Four-way valve is an indispensable component in refrigeration equipment. Its working principle is that when the solenoid valve coil is in the power-off state, the pilot slide valve moves left under the drive of the right compression spring, and the high-pressure gas enters the capillary tube and then enters the right piston chamber. On the other hand, the gas in the left piston chamber is discharged. Due to the pressure difference at both ends of the piston, the piston and the main slide valve move left, so that the exhaust pipe is connected to the outdoor unit pipe, and the other two pipes are connected, forming a refrigeration cycle.

[0003] A Chinese patent discloses a four-way valve with the publication number CN209705341U, which includes a hollow valve body, an air inlet opened on the valve body, two ventilation units respectively arranged on both sides of the valve body, and a first ventilation port opened between the valve body and the ventilation unit. The ventilation unit includes a first ventilation chamber and a second ventilation chamber arranged in sequence along a direction away from the valve body. A slidable valve plate is arranged in the first ventilation chamber, and the valve plate is embedded in the first ventilation port or the second ventilation port to realize the opening and closing of the pipeline. The structure is simple and the cost is low, and the sealing performance is good.

[0004] However, there are still the following disadvantages: when the four-way valve is in use, it is not possible to automatically control the corresponding pipeline to transmit air, thereby quickly realizing air conversion, so a four-way valve is designed. Utility Model Content

[0005] The purpose of the utility model is to provide a four-way valve to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a four-way valve includes a control body, a conveying mechanism is fixedly provided on the top surface of the control body, and a power mechanism is fixedly provided on the back surface of the control body;

[0007] The conveying mechanism comprises a conveying portion and a connecting portion, and a side surface of the connecting portion is fixedly connected to a side surface of the conveying portion;

[0008] The communication part comprises a first pipe, the bottom end surface of the first pipe and the inner wall of the top end of the control body are fixedly connected through the first pipe;

[0009] The power mechanism comprises a power part and an adjustment part, and the side surface of the adjustment part is fixedly connected to the side surface of the power part;

[0010] The power unit comprises a device block, the front side of the device block is fixedly connected to the back side of the control body, and an electromagnetic coil is fixedly arranged on the left side of the device block.

[0011] Preferably, a second pipe is fixedly provided on the inner wall at the bottom end of the left side of the control body, a third pipe is fixedly provided on the inner wall at the bottom end of the control body, and a fourth pipe is fixedly provided on the inner wall at the bottom end of the right side of the control body. The first pipe, the second pipe, the third pipe and the fourth pipe are interconnected.

[0012] Preferably, four installation pipes are respectively provided on the upper and lower end surfaces of the first pipe, the second pipe, the third pipe and the fourth pipe, and a conversion block is provided inside the control body, and the side surface of the conversion block is in frictional sliding contact with the inner wall of the control body.

[0013] Preferably, two connecting plates are fixedly provided on the left and right end surfaces of the conversion block respectively, two push plates are fixedly provided on the outer side surfaces of the two connecting plates respectively, and the side surfaces of the two push plates are in friction sealing sliding contact with the inner wall of the control body respectively.

[0014] Preferably, a heat dissipation protection shell is fixedly provided on the left side of the device block, a spring is fixedly provided on the inner wall of the left end of the device block, a moving block is fixedly provided on the right side of the spring, and the side surface of the moving block and the inner wall of the device block are frictionally and slidingly connected.

[0015] Preferably, the electromagnetic coil and the moving block are magnetically connected, a conveying pipe A is fixedly provided on the inner wall of the left bottom end of the device block, a conveying pipe B is fixedly provided on the inner wall of the right bottom end of the device block, a connecting pipe is fixedly provided on the inner wall of the bottom end of the device block, the surface of the connecting pipe is fixedly connected to the inner wall of the third pipeline, and the front end surfaces of the conveying pipe B and the conveying pipe A are respectively fixedly connected to the inner walls of the left and right ends of the control body.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The four-way valve is provided with a power mechanism, and the electromagnetic coil and the moving block cooperate to make it possible to automatically start the electromagnetic coil to work when adjusting the direction of air conversion, so that the moving block can adjust the connection between the delivery pipe A and the delivery pipe B and the connecting pipe, so as to quickly realize air conversion, and the operation is simple and fast;

[0018] 2. The four-way valve is provided with a heat dissipation protective shell and a spring to cooperate with each other, so that when the electromagnetic coil works for a long time, the heat dissipation protective shell can effectively dissipate the heat, and the electromagnetic coil will not be completely exposed to the air, thereby affecting its use effect. The spring can make the moving block rebound quickly and automatically when the electromagnetic coil is not working;

[0019] 3. The four-way valve is provided with a conveying mechanism, and the two conversion blocks can be moved left and right through the cooperation of the connecting plate and the push plate. Through the air pressure conversion of the conveying pipe A and the conveying pipe B, the second pipeline, the third pipeline and the fourth pipeline can be switched smoothly, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the front structure of the utility model;

[0021] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the front structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the back structure of the utility model;

[0023] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the back structure of the utility model;

[0024] Figure 5 For this utility model Figure 4 A three-dimensional enlarged schematic diagram of the structure of area A in the middle.

[0025] In the figure: 1. control body; 2. conveying mechanism; 201. first pipeline; 202. second pipeline; 203. third pipeline; 204. fourth pipeline; 205. installation pipeline; 206. conversion block; 207. connecting plate; 208. push plate; 3. power mechanism; 301. device block; 302. heat dissipation protective shell; 303. electromagnetic coil; 304. spring; 305. moving block; 306. conveying pipe A; 307. conveying pipe B; 308. connecting pipe. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5As shown, a four-way valve comprises a control body 1, a conveying mechanism 2 is fixedly provided on the top surface of the control body 1, and a power mechanism 3 is fixedly provided on the back surface of the control body 1; the conveying mechanism 2 comprises a conveying part and a connecting part, and the side surface of the connecting part is fixedly connected to the side surface of the conveying part; the connecting part comprises a first pipeline 201, and the bottom surface of the first pipeline 201 is fixedly connected to the inner wall of the top end of the control body 1; the power mechanism 3 comprises a power part and an adjusting part, and the side surface of the adjusting part is fixedly connected to the side surface of the power part; the power part comprises a device block 301, and another pipeline is fixedly connected to the first pipeline 201 on the back surface of the device block 301, and the front surface of the device block 301 is fixedly connected to the back surface of the control body 1, and an electromagnetic coil 303 is fixedly provided on the left side surface of the device block 301;

[0028] During operation, first install the device block 301 inside the control body 1, then connect the corresponding installation pipes 205 with the first pipe 201, the second pipe 202, the third pipe 203 and the fourth pipe 204, connect the installation pipes 205 of the first pipe 201 and the third pipe 203 to the air inlet and outlet of the external compressor, and connect the installation pipes 205 of the second pipe 202 and the fourth pipe 204 to the outdoor unit and the indoor unit accordingly.

[0029] Further, a second pipe 202 is fixedly provided through the inner wall of the left bottom end of the control body 1, a third pipe 203 is fixedly provided through the inner wall of the bottom end of the control body 1, and a fourth pipe 204 is fixedly provided through the inner wall of the right bottom end of the control body 1. The first pipe 201, the second pipe 202, the third pipe 203 and the fourth pipe 204 are mutually connected;

[0030] During operation, the corresponding installation pipes 205 are clamped with the first pipe 201, the second pipe 202, the third pipe 203 and the fourth pipe 204, the installation pipes 205 of the first pipe 201 and the third pipe 203 are connected to the air inlet and outlet of the external compressor, and the installation pipes 205 of the second pipe 202 and the fourth pipe 204 are connected to the outdoor unit and the indoor unit accordingly.

[0031] Furthermore, four installation pipes 205 are respectively connected and connected to the upper and lower end surfaces of the first pipe 201, the second pipe 202, the third pipe 203 and the fourth pipe 204, and a conversion block 206 is arranged inside the control body 1. The side surface of the conversion block 206 is in friction and sliding contact with the inner wall of the control body 1;

[0032] During operation, the corresponding installation pipes 205 are clamped with the first pipe 201, the second pipe 202, the third pipe 203 and the fourth pipe 204, the installation pipes 205 of the first pipe 201 and the third pipe 203 are connected to the air inlet and outlet of the external compressor, and the installation pipes 205 of the second pipe 202 and the fourth pipe 204 are connected to the outdoor unit and the indoor unit accordingly.

[0033] Furthermore, two connecting plates 207 are fixedly provided on the left and right end surfaces of the conversion block 206, and a circular through hole is opened on the top surface of the connecting plate 207. Two push plates 208 are fixedly provided on the outer side surfaces of the two connecting plates 207, and the side surfaces of the two push plates 208 are in friction sealing sliding contact with the inner wall of the control body 1 respectively;

[0034] During operation, when cooling, the electromagnetic coil 303 is started, so that the electromagnetic coil 303 generates a magnetic field, and the moving block 305 made of the corresponding magnetic material is pushed to the right, so that the connecting pipe 308 and the delivery pipe B307 are connected, so that the air pressure of the delivery pipe B307 is reduced, thereby making the air pressure of the delivery pipe A306 too high, and quickly pushing the push plate 208 at the left end, so that the conversion block 206 connects the second pipe 202 and the third pipe 203, so that the refrigerant passes through the third pipe 203 and enters the second pipe 202 and the outdoor unit and the indoor unit, and then returns to the compressor.

[0035] Furthermore, a heat dissipation protection shell 302 is fixedly provided on the left side of the device block 301, and a plurality of openings are opened on the surface of the heat dissipation protection shell 302. A spring 304 is fixedly provided on the inner wall of the left end of the device block 301, and the spring 304 is always in a contracted state. A moving block 305 is fixedly provided on the right side of the spring 304, and the side surface of the moving block 305 is frictionally and slidably connected with the inner wall of the device block 301.

[0036] During operation, when heating, the electromagnetic coil 303 is closed, so that the spring 304 rebounds, and the moving block 305 made of the corresponding magnetic material moves to the left, so that the connecting pipe 308 and the delivery pipe A306 are connected, and the air pressure in the delivery pipe A306 is reduced, so that the air pressure in the delivery pipe B307 is too high, and the push plate 208 at the right end is quickly pushed, so that the conversion block 206 connects the fourth pipe 204 and the third pipe 203. After the third pipe 203 and the fourth pipe 204 are connected, the refrigerant first enters the indoor unit, passes through the outdoor unit, and then returns to the compressor.

[0037] Further, the electromagnetic coil 303 is magnetically connected to the moving block 305, a delivery pipe A306 is fixedly provided on the inner wall of the left bottom end of the device block 301, a delivery pipe B307 is fixedly provided on the inner wall of the right bottom end of the device block 301, a connecting pipe 308 is fixedly provided on the inner wall of the bottom end of the device block 301, the surface of the connecting pipe 308 is fixedly connected to the inner wall of the third pipeline 203, and the front end surfaces of the delivery pipe B307 and the delivery pipe A306 are fixedly connected to the inner walls of the left and right ends of the control body 1 respectively;

[0038] During operation, the electromagnetic coil 303 is closed, so that the spring 304 rebounds, and the moving block 305 made of the corresponding magnetic material moves to the left, so that the connecting pipe 308 and the delivery pipe A306 are connected, and the air pressure in the delivery pipe A306 is reduced, so that the air pressure in the delivery pipe B307 is too high, and the push plate 208 at the right end is quickly pushed, so that the conversion block 206 connects the fourth pipe 204 and the third pipe 203. After the third pipe 203 and the fourth pipe 204 are connected, the refrigerant first enters the indoor unit, passes through the outdoor unit, and then returns to the compressor.

[0039] Working principle: When in use, first install the device block 301 inside the control body 1, and then connect the corresponding installation pipes 205 with the first pipe 201, the second pipe 202, the third pipe 203 and the fourth pipe 204, connect the installation pipes 205 of the first pipe 201 and the third pipe 203 to the air inlet and outlet of the external compressor, and connect the installation pipes 205 of the second pipe 202 and the fourth pipe 204 to the outdoor unit and the indoor unit accordingly. When cooling, start the electromagnetic coil 303, so that the electromagnetic coil 303 generates a magnetic field, and pushes the moving block 305 made of the corresponding magnetic material to the right, so that the connecting pipe 308 and the delivery pipe B307 are connected, so that the air pressure of the delivery pipe B307 becomes smaller, so that the air pressure of the delivery pipe A306 is too high, and the left is quickly pushed. The push plate 208 at the right end causes the conversion block 206 to connect the second pipe 202 and the third pipe 203, so that the refrigerant passes through the third pipe 203 and enters the second pipe 202 and the outdoor unit and the indoor unit, and then returns to the compressor. When heating, the electromagnetic coil 303 is closed to make the spring 304 rebound, so that the moving block 305 made of the corresponding magnetic material moves to the left, so that the connecting pipe 308 and the delivery pipe A306 are connected, and the air pressure of the delivery pipe A306 is reduced, thereby making the air pressure of the delivery pipe B307 too high. The push plate 208 at the right end is quickly pushed, so that the conversion block 206 connects the fourth pipe 204 and the third pipe 203. After the third pipe 203 and the fourth pipe 204 are connected, the refrigerant first enters the indoor unit, passes through the outdoor unit, and then returns to the compressor.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-way valve, comprising a control body (1), characterized in that: A conveying mechanism (2) is fixedly provided on the top surface of the control body (1), and a power mechanism (3) is fixedly provided on the back surface of the control body (1); The conveying mechanism (2) comprises a conveying portion and a connecting portion, and the side surface of the connecting portion and the side surface of the conveying portion are fixedly connected; The connecting portion comprises a first pipe (201), the bottom end surface of the first pipe (201) and the top inner wall of the control body (1) are fixedly connected through the first pipe (201); The power mechanism (3) comprises a power part and an adjustment part, and the side surface of the adjustment part is fixedly connected to the side surface of the power part; The power unit comprises a device block (301), the front side of the device block (301) is fixedly connected to the back side of the control body (1), and an electromagnetic coil (303) is fixedly arranged on the left side of the device block (301).

2. A four-way valve according to claim 1, characterized in that: A second pipe (202) is fixedly provided through the inner wall of the left bottom end of the control body (1), a third pipe (203) is fixedly provided through the inner wall of the bottom end of the control body (1), and a fourth pipe (204) is fixedly provided through the inner wall of the right bottom end of the control body (1); the first pipe (201), the second pipe (202), the third pipe (203) and the fourth pipe (204) are mutually connected.

3. A four-way valve according to claim 2, characterized in that: Four installation pipes (205) are respectively provided on the upper and lower end surfaces of the first pipe (201), the second pipe (202), the third pipe (203) and the fourth pipe (204), and a conversion block (206) is provided inside the control body (1). The side surface of the conversion block (206) is in frictional sliding contact with the inner wall of the control body (1).

4. A four-way valve according to claim 3, characterized in that: Two connecting plates (207) are fixedly provided on the left and right end surfaces of the conversion block (206), two push plates (208) are fixedly provided on the outer side surfaces of the two connecting plates (207), and the side surfaces of the two push plates (208) are in friction sealing sliding contact with the inner wall of the control body (1).

5. A four-way valve according to claim 1, characterized in that: A heat dissipation protection shell (302) is fixedly arranged on the left side of the device block (301), a spring (304) is fixedly arranged on the inner wall of the left end of the device block (301), a moving block (305) is fixedly arranged on the right side of the spring (304), and the side surface of the moving block (305) is frictionally and slidingly connected to the inner wall of the device block (301).

6. A four-way valve according to claim 5, characterized in that: The electromagnetic coil (303) and the moving block (305) are magnetically connected. A conveying pipe A (306) is fixedly provided through the inner wall of the left bottom end of the device block (301). A conveying pipe B (307) is fixedly provided through the inner wall of the right bottom end of the device block (301). A connecting pipe (308) is fixedly provided through the inner wall of the bottom end of the device block (301). The surface of the connecting pipe (308) is fixedly connected through the inner wall of the third pipeline (203). The front end surfaces of the conveying pipe B (307) and the conveying pipe A (306) are respectively fixedly connected through the inner walls of the left and right ends of the control body (1).

Images