CN210637544U - Four-way reversing valve - Google Patents

Abstract

The utility model provides a four-way reversing valve, this four-way reversing valve includes: a valve body having a plurality of valve ports; the valve core assembly is movably arranged in the valve body and corresponds to the plurality of valve ports; the main driving assembly is used for driving the valve core assembly to move; the auxiliary driving assembly is detachably arranged on the valve body and corresponds to the valve core assembly, the auxiliary driving assembly is provided with an initial state and a working state, and the auxiliary driving assembly drives the valve core assembly to move under the condition that the auxiliary driving assembly is in the working state. Through the technical scheme that this application provided, can solve the problem that the maintenance among the prior art is difficult, cost of maintenance is high.

Description

Four-way reversing valve

Technical Field

The utility model relates to a four-way reversing valve technical field particularly, relates to a four-way reversing valve.

Background

At present, a four-way reversing valve comprises a valve body and a valve core assembly, wherein the valve core assembly is arranged corresponding to a plurality of valve ports of the valve body. The valve core assembly can be used for controlling the communication condition of a plurality of valve ports by moving the valve core assembly from two ends of the valve body so as to switch the working mode of the air conditioner. When the valve core assembly moves to the middle position of the valve ports, the valve ports are communicated with each other, high-pressure gas and low-pressure gas in the valve body are communicated in series in a short circuit mode, and the gas pressure in the valve body tends to be balanced quickly.

In prior art, if the case subassembly stays in the intermediate position of a plurality of valve ports for a long time, can lead to the case subassembly to break down unable removal, can only maintain through the mode of changing the four-way reversing valve this moment. Therefore, the prior art has the problems of difficult maintenance and high maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a four-way reversing valve to solve the problem that the maintenance difficulty among the prior art, cost of maintenance are high.

The utility model provides a four-way reversing valve, four-way reversing valve includes: a valve body having a plurality of valve ports; the valve core assembly is movably arranged in the valve body and corresponds to the plurality of valve ports; the main driving assembly is used for driving the valve core assembly to move; the auxiliary driving assembly is detachably arranged on the valve body and corresponds to the valve core assembly, the auxiliary driving assembly is provided with an initial state and a working state, and the auxiliary driving assembly drives the valve core assembly to move under the condition that the auxiliary driving assembly is in the working state.

Further, the auxiliary driving assembly comprises a telescopic piece, the extending direction of the telescopic piece is arranged towards the valve core assembly, and the telescopic piece is used for driving the valve core assembly to move.

Further, the valve body comprises a shell and an end cover, the end cover is arranged at the end of the shell, and the telescopic piece is arranged on the end cover.

Further, the extensible member includes the bellows, and the bellows is located inside the casing, and the one end setting of bellows is on the end cover, and the other end of bellows sets up towards the case subassembly.

Furthermore, the corrugated pipe is provided with an opening end and a plugging end which are oppositely arranged, the opening end of the corrugated pipe is connected with the end cover, the plugging end of the corrugated pipe is arranged corresponding to the valve core assembly, the end cover is provided with an avoiding hole, and the avoiding hole is communicated with the opening end of the corrugated pipe.

Further, the auxiliary driving assembly further comprises a push rod, the push rod is arranged in the avoiding hole in a penetrating mode, the push rod is movably arranged in the corrugated pipe, and the push rod is used for driving the corrugated pipe to stretch.

Further, the push rod includes relative first end and the second end that sets up, and the first end of push rod corresponds the shutoff end setting of bellows, and the second end of push rod is located the outside of end cover, is provided with spacing boss on the push rod, and the cross section size of spacing boss is greater than the aperture of dodging the hole.

Further, the bellows is threadedly connected to the end cap, and/or the end cap is threadedly connected to the housing.

Further, the spool assembly includes: the support is movably arranged in the valve body, and the auxiliary driving assembly is arranged corresponding to the support; the sliding block is connected with the bracket and is arranged corresponding to the valve port.

The four-way reversing valve further comprises a valve seat, the valve seat is located at one end of the valve body, the plurality of valve ports comprise a first valve port, a second valve port, a third valve port and a fourth valve port, the first valve port, the second valve port and the third valve port are sequentially arranged on the valve seat, the fourth valve port is located at the other end of the valve body, the sliding block covers the valve seat, and the sliding block is used for controlling the communication condition of the first valve port, the third valve port and the second valve port.

Use the technical scheme of the utility model, this four-way reversing valve includes valve body, case subassembly, main drive assembly and auxiliary drive subassembly. The valve body is provided with a plurality of valve ports, the valve core assembly is movably arranged in the valve body, and the valve core assembly is arranged corresponding to the plurality of valve ports. Specifically, the main driving assembly is used for driving the valve core assembly to move so as to switch the working mode of the air conditioner. Through setting up auxiliary drive assembly detachably on the valve body, and auxiliary drive assembly corresponds the case subassembly and sets up. When the valve core assembly stays at the middle positions of the plurality of valve ports for a long time and fails to move, the auxiliary driving assembly is in a working state, and can be used for driving the valve core assembly to move, so that the valve core assembly leaves the middle positions of the plurality of valve ports, and the air conditioner can normally work. By adopting the structure, when the four-way reversing valve breaks down, the four-way reversing valve does not need to be replaced, the maintenance is convenient, and the four-way reversing valve has the advantage of low maintenance cost.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and 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 and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram illustrating a slider of a four-way reversing valve in a middle position of a valve seat according to an embodiment of the present invention;

fig. 2 shows a schematic view of the movement of the slide to the left using an auxiliary drive assembly.

Wherein the figures include the following reference numerals:

10. a valve body; 11. a housing; 12. an end cap; 121. avoiding holes; 13. a fourth valve port;

20. a valve core assembly; 21. a support; 211. a support portion; 211a, a first support plate; 211b, a second support plate; 212. a connecting portion; 22. a slider; 221. a concave port;

30. a main drive assembly; 31. an electromagnetic pilot valve assembly;

40. an auxiliary drive assembly; 41. a telescoping member; 42. a push rod; 421. a limiting boss;

50. a valve seat; 51. a first valve port; 52. a second valve port; 53. and a third valve port.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a four-way reversing valve, which includes a valve body 10, a valve core assembly 20, a main driving assembly 30, and an auxiliary driving assembly 40. The valve body 10 has a plurality of valve ports, the valve core assembly 20 is movably disposed in the valve body 10, and the valve core assembly 20 is disposed corresponding to the plurality of valve ports, so that the valve core assembly 20 can be moved between two ends of the valve body 10 to control the communication between the plurality of valve ports, thereby switching the operating mode of the air conditioner. Specifically, the main driving assembly 30 is used for driving the valve core assembly 20 to move so as to smoothly switch the operation mode of the air conditioner. The auxiliary driving assembly 40 is detachably disposed on the valve body 10 and is disposed corresponding to the valve core assembly 20. Specifically, the auxiliary drive assembly 40 has an initial state and an operating state. Under the condition that the auxiliary driving assembly 40 is in the initial state, the auxiliary driving assembly 40 does not influence the movement of the valve core assembly 20, and the valve core assembly 20 moves under the driving of the main driving assembly 30; under the condition that the auxiliary driving assembly 40 is in the working state, the auxiliary driving assembly 40 drives the valve core assembly 20 to move, so that the valve core assembly 20 leaves the middle positions of the plurality of valve ports, and the air conditioner can work normally.

By applying the four-way reversing valve provided by the embodiment, the auxiliary driving assembly 40 is detachably arranged on the valve body 10, and the auxiliary driving assembly 40 is arranged corresponding to the valve core assembly 20. When the valve core assembly 20 stays at the middle positions of the plurality of valve ports for a long time, and the valve core assembly 20 fails and cannot move, the auxiliary driving assembly 40 is in a working state, and the auxiliary driving assembly 40 can be used for driving the valve core assembly 20 to move, so that the valve core assembly 20 leaves the middle positions of the plurality of valve ports, and the air conditioner normally works. By adopting the structure, when the four-way reversing valve breaks down, the four-way reversing valve does not need to be replaced, and the maintenance of the four-way reversing valve can be completed only by utilizing the auxiliary driving assembly 40 to drive the valve core assembly 20 to move relative to the valve body 10, so that the four-way reversing valve has the advantages of convenience in maintenance and low maintenance cost.

In the present embodiment, the auxiliary driving assembly 40 includes a telescopic member 41, an extending direction of the telescopic member 41 is set toward the valve core assembly 20, and the telescopic member 41 is used for driving the valve core assembly 20 to move. When the valve core assembly 20 is in a normal working state, the auxiliary driving assembly 40 is in an initial state, at this time, the telescopic member 41 is in a contracted state, and when the valve core assembly 20 moves relative to the valve body 10, the telescopic member 41 cannot block the valve core assembly 20; when the valve core assembly 20 stays at the middle position of the plurality of valve ports for a long time, and the valve core assembly 20 fails and cannot move, the auxiliary driving assembly 40 is in a working state, and at this time, the extensible member 41 is in an extended state, so that the end portion of the extensible member 41 can be used for driving the valve core assembly 20 to move relative to the valve body 10. Specifically, the telescopic member 41 includes telescopic pipes such as a telescopic tube and a bellows.

Specifically, the valve body 10 includes a housing 11 and an end cap 12, the end cap 12 is disposed at an end of the housing 11, and the expansion member 41 is disposed on the end cap 12. By providing telescoping member 41 on end cap 12, on the one hand, assembly of telescoping member 41 is facilitated, and on the other hand, when telescoping member 41 is required to fail, maintenance and replacement of telescoping member 41 is facilitated.

In this embodiment, the bellows 41 comprises a bellows, which is located inside the housing 11. Specifically, one end of the bellows is disposed on the end cap 12 and the other end of the bellows is disposed toward the valve core assembly 20. When the valve core assembly 20 is in a normal working state, the corrugated pipe is in a contraction state, and the corrugated pipe cannot block the valve core assembly 20; when the valve core assembly 20 fails and cannot move, the corrugated pipe is in an extension state, and the end part of the corrugated pipe can be used for driving the valve core assembly 20 to move relative to the valve body 10.

The corrugated pipe is provided with an opening end and a plugging end which are arranged oppositely, the opening end of the corrugated pipe is connected with the end cover 12, the plugging end of the corrugated pipe is arranged corresponding to the valve core assembly 20, and therefore the corrugated pipe can be used for driving the valve core assembly 20 to move relative to the valve body 10, the sealing effect of the device can be guaranteed, and the phenomena of air leakage and the like are avoided.

In order to facilitate the operation of the plugging end of the corrugated pipe, the end cover 12 is provided with an avoiding hole 121, the avoiding hole 121 is communicated with the open end of the corrugated pipe, and a rod piece can be used to extend into the corrugated pipe through the avoiding hole 121, so that the plugging end of the corrugated pipe moves towards the valve core assembly 20 under the driving of the rod piece, and the valve core assembly 20 is driven to move by the plugging end of the corrugated pipe. Specifically, an installation convex portion is arranged on one side of the end cover 12 close to the corrugated pipe, the installation convex portion is annularly arranged along the periphery of the avoidance hole 121, and the open end of the corrugated pipe is connected with the installation convex portion to fix the corrugated pipe.

Specifically, the auxiliary driving assembly 40 further includes a push rod 42, the push rod 42 is disposed in the avoiding hole 121 in a penetrating manner, the push rod 42 is movably disposed in the bellows, and the push rod 42 is used for driving the bellows to extend and retract. When the valve core assembly 20 fails and cannot move, the push rod 42 extends into the avoiding hole 121, the bellows moves towards the valve core assembly 20 under the driving of the push rod 42, and then the end of the bellows can be used for driving the valve core assembly 20 to move relative to the valve body 10.

In the present embodiment, the push rod 42 includes a first end and a second end, the first end of the push rod 42 is disposed corresponding to the plugging end of the bellows, and the second end of the push rod 42 is located outside the end cap 12. In order to prevent the push rod 42 from completely falling into the corrugated pipe, the push rod 42 is provided with a limiting boss 421, and the cross section of the limiting boss 421 is larger than the aperture of the avoiding hole 121.

Wherein the bellows is in threaded connection with the end cap 12 and/or the end cap 12 is in threaded connection with the housing 11. The end cap 12 and the corrugated pipe are conveniently assembled by adopting a threaded connection mode. Specifically, all be provided with the sealing member between end cover 12 and casing 11 and between bellows and end cover 12, so can promote device's leakproofness, avoid appearing the condition of gas leakage. In other embodiments, the bellows may be connected to the end cap 12 by welding, and/or the end cap 12 may be connected to the housing 11, so that the structural strength and stability of the device may be ensured while ensuring the airtightness of the device.

Specifically, the valve core assembly 20 includes a bracket 21 and a slide 22. Wherein, the support 21 is movably disposed in the valve body 10, and the auxiliary driving assembly 40 is disposed corresponding to the support 21, so that the support 21 can be driven to move by the auxiliary driving assembly 40. Specifically, the sliding block 22 is connected with the bracket 21, and the sliding block 22 is arranged corresponding to the valve port, so that the auxiliary driving assembly 40 drives the bracket 21 to move, and the bracket 21 drives the sliding block 22 to move, so that the four-way reversing valve can be smoothly reversed.

The bracket 21 includes a supporting portion 211 and a connecting portion 212 connected to each other, the slider 22 is connected to the connecting portion 212, the supporting portion 211 is used for supporting the slider 22, and the connecting portion 212 is used for connecting the supporting portion 211 to the slider 22. Specifically, the supporting portion 211 includes a first supporting plate 211a and a second supporting plate 211b, the first supporting plate 211a and the second supporting plate 211b are spaced apart from each other, the connecting portion 212 includes a connecting plate, one end of the connecting plate is connected to the first supporting plate 211a, and the other end of the connecting plate is connected to the second supporting plate 211 b. In this embodiment, the valve body 10 has a cylindrical structure, the first support plate 211a and the second support plate 211b have a circular plate structure, and the connecting plate has a flat plate structure.

In the present embodiment, the slider 22 has a concave port 221, the concave port 221 is disposed corresponding to the valve port, and the slider 22 is used for covering two adjacent valve ports. The slider 22 can be covered on different valve ports by moving the slider 22 relative to the valve body 10, so that the four-way reversing valve can be reversed, and the working modes of the air conditioner can be switched. Wherein, be provided with spacing hole on the connecting portion 212, at least partial slider 22 wears to establish in spacing hole and is connected with connecting portion 212 to utilize spacing hole to carry out spacingly to slider 22, avoid slider 22 to take place the displacement relative connecting portion 212. Specifically, the slider 22 is a semicircular structure, the limiting hole on the connecting portion 212 is a circular hole, and the top of the slider 22 is inserted into the circular hole and connected with the connecting portion 212.

The four-way reversing valve further comprises a valve seat 50, the valve seat 50 is located at one end of the valve body 10, and the plurality of valve ports comprise a first valve port 51, a second valve port 52, a third valve port 53 and a fourth valve port 13. Specifically, the first port 51, the second port 52, and the third port 53 are sequentially provided on the valve seat 50, and the fourth port 13 is located at the other end of the valve body 10. By covering the valve seat 50 with the slider 22 and moving the slider 22 on the valve seat 50, the slider 22 can control the communication between the first port 51 and the third port 53 and the second port 52. Specifically, when the slider 22 covers the first valve port 51 and the second valve port 52, the fourth valve port 13 is communicated with the third valve port 53, the first valve port 51 is communicated with the second valve port 52, and the working mode of the air conditioner is one of a cooling mode and a heating mode; when the slider 22 covers the third valve port 53 and the second valve port 52, the fourth valve port 13 is communicated with the first valve port 51, and the third valve port 53 is communicated with the second valve port 52, and the operation mode of the air conditioner is the other one of the cooling mode and the heating mode.

In the present embodiment, the main drive assembly 30 includes a solenoid pilot valve assembly 31 and a spring. Wherein, the electromagnetic pilot valve assembly 31 is in driving connection with the valve core assembly 20 to drive the valve core assembly 20 to move relative to the valve body 10, the spring is disposed between one end of the valve core assembly 20 and the end cover 12, and the auxiliary driving assembly 40 is located at the other end of the valve core assembly 20. In this embodiment, the spring is located on the right side of the valve core assembly 20.

When the electromagnetic pilot valve assembly 31 is in a power-off state, the valve core assembly 20 is driven by the spring on the right side to move leftwards, at this time, high-pressure gas enters the piston cavity at the right end of the valve body 10 through the fourth valve port 13, on the other hand, gas in the piston cavity at the left end is discharged, and due to the pressure difference existing at the two ends of the valve core assembly 20, the valve core assembly 20 moves leftwards, so that the exhaust pipe is communicated with the outdoor machine connecting pipe through the third valve port 53, and the other two connecting pipes are communicated with the second valve port 52 through the first valve port 51, so that a; when the electromagnetic pilot valve assembly 31 is in the power-on state, the valve core assembly 20 overcomes the elastic force of the spring and moves to the right under the action of the magnetic force generated by the electromagnetic pilot valve assembly 31, high-pressure gas enters the piston cavity at the left end of the valve body 10 through the fourth valve port 13, on the other hand, gas in the piston cavity at the right end is discharged, and due to the pressure difference between the two ends of the valve core assembly 20, the valve core assembly 20 moves to the right, so that the exhaust pipe is communicated with the outdoor machine connecting pipe through the first valve port 51, and the other two connecting pipes are communicated with the second valve port 52 through the third valve port 53, thereby.

Specifically, as shown in fig. 1 and 2, the solenoid pilot valve assembly 31 communicates with the four-way reversing valve through four lines. The working principle of the electromagnetic pilot valve assembly 31 is the same as that of the four-way reversing valve, the driving force of the electromagnetic pilot valve assembly 31 is electromagnetic force, and the electromagnetic force can drive the valve core assembly in the electromagnetic pilot valve assembly 31 to move so as to control the pressure conditions of three pipelines at the lower end of the electromagnetic pilot valve assembly 31, so that the pressure conditions of a left-end piston cavity and a right-end piston cavity of the four-way reversing valve, which are communicated with the electromagnetic pilot valve assembly 31, are controlled, and the reversing of the four-way reversing valve is realized.

By the device provided by the embodiment, when the sliding block 22 of the four-way reversing valve is positioned in the middle position of the valve seat 50 and cannot move, the bracket 21 and the sliding block 22 can be pushed to the other side by the push rod 42, and the four-way reversing valve can be normally used. Since the bellows is hermetically fixed on the end cover 12, and the end cover 12 is hermetically fixed with the housing 11, no internal gas leakage is caused. By adopting the structure, the four-way reversing valve does not need to be replaced, and the refrigerant in the refrigeration pipeline does not need to be discharged, so that the workload of maintenance personnel can be reduced, and the refrigeration system has the advantages of convenience in maintenance and low maintenance cost.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A four-way reversing valve, comprising:

a valve body (10) having a plurality of valve ports;

the valve core assembly (20) is movably arranged in the valve body (10), and the valve core assembly (20) is arranged corresponding to a plurality of valve ports;

a main driving assembly (30), wherein the main driving assembly (30) is used for driving the valve core assembly (20) to move;

the auxiliary driving assembly (40) is detachably arranged on the valve body (10) and is arranged corresponding to the valve core assembly (20), the auxiliary driving assembly (40) has an initial state and a working state, and under the condition that the auxiliary driving assembly (40) is in the working state, the auxiliary driving assembly (40) drives the valve core assembly (20) to move.

2. The four-way reversing valve according to claim 1, wherein the auxiliary driving assembly (40) comprises an expansion piece (41), the expansion direction of the expansion piece (41) is arranged towards the valve core assembly (20), and the expansion piece (41) is used for driving the valve core assembly (20) to move.

3. The four-way reversing valve according to claim 2, wherein the valve body (10) comprises a housing (11) and an end cap (12), the end cap (12) being disposed at an end of the housing (11), the telescoping member (41) being disposed on the end cap (12).

4. The four-way reversing valve according to claim 3, wherein the telescoping member (41) comprises a bellows located inside the housing (11), one end of the bellows being disposed on the end cap (12) and the other end of the bellows being disposed toward the valve core assembly (20).

5. The four-way reversing valve according to claim 4, wherein the bellows is provided with an open end and a blocking end which are arranged oppositely, the open end of the bellows is connected with the end cover (12), the blocking end of the bellows is arranged corresponding to the valve core assembly (20), an avoiding hole (121) is arranged on the end cover (12), and the avoiding hole (121) is communicated with the open end of the bellows.

6. The four-way reversing valve according to claim 5, wherein the auxiliary driving assembly (40) further comprises a push rod (42), the push rod (42) is arranged in the avoidance hole (121) in a penetrating manner, the push rod (42) is movably arranged in the corrugated pipe, and the push rod (42) is used for driving the corrugated pipe to stretch and retract.

7. The four-way reversing valve according to claim 6, wherein the push rod (42) comprises a first end and a second end which are arranged oppositely, the first end of the push rod (42) is arranged corresponding to the plugging end of the corrugated pipe, the second end of the push rod (42) is arranged at the outer side of the end cover (12), a limiting boss (421) is arranged on the push rod (42), and the cross section of the limiting boss (421) is larger than the aperture of the avoiding hole (121).

8. The four-way reversing valve according to claim 4, wherein the bellows is in threaded connection with the end cap (12) and/or the end cap (12) is in threaded connection with the housing (11).

9. The four-way reversing valve according to claim 1, wherein the spool assembly (20) comprises:

the support (21) is movably arranged in the valve body (10), and the auxiliary driving assembly (40) is arranged corresponding to the support (21);

and the sliding block (22) is connected with the bracket (21), and the sliding block (22) is arranged corresponding to the valve port.

10. The four-way reversing valve according to claim 9, further comprising a valve seat (50), wherein the valve seat (50) is located at one end of the valve body (10), the plurality of valve ports comprise a first valve port (51), a second valve port (52), a third valve port (53) and a fourth valve port (13), the first valve port (51), the second valve port (52) and the third valve port (53) are sequentially arranged on the valve seat (50), the fourth valve port (13) is located at the other end of the valve body (10), the slider (22) is covered on the valve seat (50), and the slider (22) is used for controlling the communication between the first valve port (51) and the third valve port (53) and the second valve port (52).

Images