CN210372132U - Four-way reversing valve - Google Patents
Four-way reversing valve Download PDFInfo
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- CN210372132U CN210372132U CN201920858283.1U CN201920858283U CN210372132U CN 210372132 U CN210372132 U CN 210372132U CN 201920858283 U CN201920858283 U CN 201920858283U CN 210372132 U CN210372132 U CN 210372132U
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- connecting pipe
- valve
- way reversing
- sliding block
- reversing valve
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Abstract
The utility model discloses a four-way reversing valve, including the valve body that has the valve pocket, locate on the valve body and with the first takeover, second takeover, third takeover and fourth takeover that the valve pocket link up; a piston assembly, a sliding block and a connecting pipe are arranged in a valve cavity of the valve body; the connecting pipe is fixed on the sliding block, wherein one end of the connecting pipe, which is far away from the sliding block, is connected and communicated with the second connecting pipe; the piston assembly can drive the connecting pipe on the sliding block to be communicated with one of the third connecting pipe or the fourth connecting pipe alternatively, and the other connecting pipe is communicated with the first connecting pipe through the valve cavity. The utility model discloses when using on air conditioning equipment, take over by the third or the fourth takes over the leading-in air current can directly take over the discharge to the second through the connecting pipe to this has shortened the air current and has shortened the route of this four-way reversing valve, has the effect that reduces the pressure drop loss of air current, and then has the effect that improves the air conditioning equipment's of using this four-way reversing valve efficiency.
Description
Technical Field
The utility model belongs to the technical field of the air conditioning technology is relevant, especially relate to a four-way reversing valve.
Background
The four-way reversing valve is a control valve with four oil ports. The four-way reversing valve is an indispensable part in refrigeration equipment, and has the working principle that when a solenoid valve coil is in a power-off state, a pilot slide valve moves left under the driving of a right compression spring, high-pressure gas enters a capillary tube and then enters a right piston cavity, 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 unit connecting pipe, the other two connecting pipes are communicated, and refrigeration circulation 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, when the existing four-way reversing valve applied to air conditioning equipment works, the four-way reversing valve is used as heating air of a heating cycle or used as cold air of a refrigerating cycle, the four-way reversing valve needs to be firstly led into a valve cavity of a valve body of the four-way reversing valve, the valve cavity of the valve body is filled with the air, and then the air is discharged outwards through an exhaust pipe through the valve cavity of the valve body, so that the pressure drop loss of corresponding air flow is large, and the effect of the air conditioning equipment when the four-way reversing valve is.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a four-way reversing valve to solve the technical problems in the prior art.
The four-way reversing valve comprises a valve body with a valve cavity, and a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe which are arranged on the valve body and communicated with the valve cavity; a piston assembly, a sliding block and a connecting pipe are arranged in a valve cavity of the valve body; the connecting pipe is fixed on the sliding block, wherein one end of the connecting pipe, which is far away from the sliding block, is connected and communicated with the second connecting pipe; the piston assembly can drive the connecting pipe on the sliding block to be selectively communicated with one of the third connecting pipe or the fourth connecting pipe, and the other connecting pipe is communicated with the first connecting pipe through the valve cavity.
As the preferred scheme of the utility model, connect the passageway has been seted up on the slider, the connecting pipe can pass through connect the passageway on the slider with the third is taken over or the fourth is taken over the intercommunication.
As the preferred scheme of the utility model, the connecting pipe sets up to the hose.
As the preferred scheme of the utility model, the hose sets up to the bellows.
As the preferred scheme of the utility model, the connecting pipe sets up to gas pipeline, gas pipeline can the third take over with swing back and forth between the fourth takes over.
As the preferred embodiment of the present invention, the third connecting pipe and the fourth connecting pipe are smaller than the outer diameter of the slider, and the sum of the third connecting pipe and the fourth connecting pipe is larger than the outer diameter of the slider.
As the utility model discloses an optimal scheme, the valve pocket internal fixation of valve body has the disk seat, piston assembly can drive the slider is in make a round trip to slide on the disk seat.
As a preferable scheme of the present invention, the first connecting pipe and the second connecting pipe are disposed on one side end surface of the valve body, and the third connecting pipe and the fourth connecting pipe are disposed on the end surface of the other opposite side of the valve body.
As the preferred scheme of the utility model, first takeover with the second takeover sets up side by side, the third takeover with the fourth takeover sets up side by side.
As the preferred scheme of the utility model, the four-way reversing valve still includes electromagnetism pilot valve subassembly, electromagnetism pilot valve subassembly can be right piston assembly drives the slider is in the removal in the valve body valve chamber is controlled.
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 four-way reversing valve through reasonable structure setting for when this four-way reversing valve uses on air conditioning equipment, takeover the leading-in air current by the third or the fourth can directly take over the discharge to the second through the connecting pipe, shortened the air current with this and passed through this four-way reversing valve's route, had the effect that reduces the pressure drop loss of air current, and then had the effect that improves the air conditioning equipment's of using this four-way reversing valve efficiency.
Drawings
Fig. 1 is a schematic structural view of a four-way reversing valve provided in an embodiment of the present invention, wherein the third connection pipe is communicated with the second connection pipe through the connection pipe.
Fig. 2 is a schematic structural view of a four-way reversing valve according to an embodiment of the present invention, wherein the third connection pipe is connected to the second connection pipe via the connection pipe.
10, a valve body; 11. a valve cavity; 20. a valve seat; 30. a piston assembly; 40. a slider; 50. a connecting pipe; 60. an electromagnetic pilot valve assembly; 101. a first adapter tube; 102. a second adapter tube; 103. a third connection pipe; 104. and a fourth connecting pipe.
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. 1 and 2, a four-way reversing valve according to an embodiment of the present invention includes a valve body 10 having a valve cavity 11, a first connection pipe 101, a second connection pipe 102, a third connection pipe 104, and a fourth connection pipe 104 disposed on the valve body 10, and a piston assembly 30, a slider 40, and a connection pipe 50 disposed in the valve cavity 11 of the valve body 10.
In the present embodiment, the connecting tube 50 is fixed on the sliding block 40, wherein an end of the connecting tube 50 away from the sliding block 40 is connected and communicated with the second adapter tube 102; the piston assembly 30 can drive the connecting pipe 50 on the sliding block 40 to alternatively communicate with one of the third connecting pipe 103 and the fourth connecting pipe 104, and the other communicates with the first connecting pipe 101 through the valve cavity 11. In the present embodiment, the second connection pipe 102 is provided as an exhaust pipe, the four-way reversing valve is applied to an air conditioner, and the third connection pipe 103 and the fourth connection pipe 104 are correspondingly communicated with a hot air and a cold air.
As can be seen from the above, when the four-way reversing valve of the present embodiment is in operation, the third connecting pipe 103 and the fourth connecting pipe 104 can be directly communicated with the second connecting pipe 102 through the connecting pipe 50, so that the warm air and the cold air conducted by the third connecting pipe 103 and the fourth connecting pipe 104 can be directly discharged from the second connecting pipe 102 through the connecting pipe 50 without entering the valve cavity 11 of the valve body 10, thereby reducing the pressure drop loss when the flow of the warm air or the cold air passes through the four-way reversing valve when the four-way reversing valve is applied to an air conditioner.
Specifically, a connecting channel (not shown) is opened on the sliding block 40, and the connecting pipe 50 can be communicated with the third connecting pipe 103 or the fourth connecting pipe 104 through the connecting channel on the sliding block 40. That is, the connection pipe 50 of the present embodiment is communicated with the connection channel on the slider 40, wherein the pipe diameter of the connection pipe 50 and the caliber of the connection channel of the slider 40 can be specifically set according to the use requirement, so as to ensure that the warm air or the cold air conducted by the third connection pipe 103 and the fourth connection pipe 104 can enter the connection pipe 50 through the connection channel on the slider 40, and then is discharged from the second connection pipe 102.
In the present embodiment, the connection pipe 50 is provided as a hose, and the structural characteristics of the hose may be utilized so that the connection pipe 50 can move back and forth between the third adapter 103 and the fourth adapter 104 following the slider 40.
Specifically, the hose is provided as a bellows, but a person skilled in the art may set the connection pipe 50 as a gas pipe capable of swinging back and forth between the third connection pipe 103 and the fourth connection pipe 104 according to the use requirement, so as to selectively communicate the second connection pipe 102 with the third connection pipe 103 and the fourth connection pipe 104.
In this embodiment, the diameters of the third adapter tube 103 and the fourth adapter tube 104 are both smaller than the outer diameter of the slider 40, and the sum of the diameter of the third adapter tube 103 and the diameter of the fourth adapter tube 104 is larger than the outer diameter of the slider 40. That is, in the present embodiment, the sliding block 40 is provided with a small-sized structure, so as to reduce the friction force applied to the sliding block 40 when the sliding block 40 moves back and forth in the valve body 10, thereby facilitating the direction change of the movement of the sliding block 40 driven by the piston assembly 30 and avoiding the jamming.
Specifically, a valve seat 20 is fixed in the valve cavity 11 of the valve body 10, and the piston assembly 30 can drive the sliding block 40 to slide back and forth on the valve seat 20, so as to facilitate the movement of the sliding block 40 in the valve body 10. It should be noted that the third nozzle 103 and the fourth nozzle 104 can communicate with the connecting channel on the slider 40 through the valve seat 20.
In this embodiment, the first connection pipe 101 and the second connection pipe 102 are disposed on one end surface of the valve body 10, and the third connection pipe 103 and the fourth connection pipe 104 are disposed on the other end surface of the valve body 10, so that the four-way reversing valve is connected to other pipelines when the four-way reversing valve is applied to an air conditioner.
Further, the first connecting pipe 101 and the second connecting pipe 102 are arranged in parallel, and the third connecting pipe 103 and the fourth connecting pipe 104 are arranged in parallel. It should be noted that the arrangement manner of the first connecting pipe 101, the second connecting pipe 102, the third connecting pipe 103 and the fourth connecting pipe 104 on the valve body 10 is not limited to that shown in the drawings, and those skilled in the art may arrange three of the connecting pipes on one side end face of the valve body 10 and another connecting pipe on two side end faces of the valve body 10 according to the use requirement, and thus the description is not provided herein.
In the present embodiment, the four-way reversing valve of the present embodiment further includes a solenoid pilot valve assembly 60, and the solenoid pilot valve assembly 60 can control the movement of the piston assembly 30 driving the sliding block 40 in the valve cavity 11 of the valve body 10. That is, in the four-way valve of the present embodiment, the amount of gas introduced into the valve chamber 11 of the valve body 10 is controlled by the solenoid pilot valve assembly 60, and the movement of the slider 40 is controlled by the pressure difference between the gas pressures applied to both sides of the piston assembly 30.
To sum up, the utility model provides a four-way reversing valve through reasonable structure setting for when this four-way reversing valve uses on air conditioning equipment, take over by the third or the fourth takes over the leading-in air current can directly take over the discharge to the second through the connecting pipe, shortened the route that the air current was through this four-way reversing valve with this, had the effect that reduces the pressure drop loss of air current, and then had the effect that improves the air conditioning equipment's of using this four-way reversing valve 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 (10)
1. A four-way reversing valve comprises a valve body with a valve cavity, a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe, wherein the first connecting pipe, the second connecting pipe, the third connecting pipe and the fourth connecting pipe are arranged on the valve body and are communicated with the valve cavity; the method is characterized in that: a piston assembly, a sliding block and a connecting pipe are arranged in a valve cavity of the valve body; the connecting pipe is fixed on the sliding block, wherein one end of the connecting pipe, which is far away from the sliding block, is connected and communicated with the second connecting pipe; the piston assembly can drive the connecting pipe on the sliding block to be selectively communicated with one of the third connecting pipe or the fourth connecting pipe, and the other connecting pipe is communicated with the first connecting pipe through the valve cavity.
2. The four-way reversing valve of claim 1, wherein: and a connecting channel is formed in the sliding block, and the connecting pipe can be communicated with the third connecting pipe or the fourth connecting pipe through the connecting channel on the sliding block.
3. The four-way reversing valve of claim 1, wherein: the connecting pipe is a hose.
4. The four-way reversing valve of claim 3, wherein: the hose is configured as a bellows.
5. The four-way reversing valve of claim 1, wherein: the connecting pipe is set as a gas pipeline which can swing back and forth between the third connecting pipe and the fourth connecting pipe.
6. The four-way reversing valve of claim 1, wherein: the calibers of the third connecting pipe and the fourth connecting pipe are both smaller than the outer diameter of the sliding block, and the sum of the calibers of the third connecting pipe and the fourth connecting pipe is larger than the outer diameter of the sliding block.
7. The four-way reversing valve of claim 6, wherein: a valve seat is fixed in a valve cavity of the valve body, and the piston assembly can drive the sliding block to slide back and forth on the valve seat.
8. The four-way reversing valve of claim 1, wherein: the first connecting pipe and the second connecting pipe are arranged on one side end face of the valve body, and the third connecting pipe and the fourth connecting pipe are arranged on the other opposite side end face of the valve body.
9. The four-way reversing valve of claim 8, wherein: the first connecting pipe and the second connecting pipe are arranged in parallel, and the third connecting pipe and the fourth connecting pipe are arranged in parallel.
10. The four-way reversing valve of claim 1, wherein: the four-way reversing valve further comprises an electromagnetic pilot valve assembly, and the electromagnetic pilot valve assembly can control the piston assembly to drive the sliding block to move in the valve cavity of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858283.1U CN210372132U (en) | 2019-06-06 | 2019-06-06 | Four-way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858283.1U CN210372132U (en) | 2019-06-06 | 2019-06-06 | Four-way reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372132U true CN210372132U (en) | 2020-04-21 |
Family
ID=70263893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920858283.1U Active CN210372132U (en) | 2019-06-06 | 2019-06-06 | Four-way reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372132U (en) |
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2019
- 2019-06-06 CN CN201920858283.1U patent/CN210372132U/en active Active
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