CN210859891U - Refrigerant collecting and conducting reversing valve - Google Patents
Refrigerant collecting and conducting reversing valve Download PDFInfo
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- CN210859891U CN210859891U CN201920254519.0U CN201920254519U CN210859891U CN 210859891 U CN210859891 U CN 210859891U CN 201920254519 U CN201920254519 U CN 201920254519U CN 210859891 U CN210859891 U CN 210859891U
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Abstract
A refrigerant collecting and conducting reversing valve belongs to the technical field of air conditioner accessories; when the piston moves left and right, the piston cannot rotate and has a directional effect, and the left limiting seat and the right limiting seat have a positioning effect when the piston moves, so that the air inlet and return connecting pipe channel can be communicated with the collecting connecting pipe channel or the air outlet and return connecting pipe channel through the first reversing channel, and the effect of accurate moving position of the piston is realized; the left valve cover and the right valve cover are both connected with the main valve body through bolts, and in later-stage practical use, the left valve cover and the right valve cover are opened through unscrewing the bolts, so that the effect of maintaining the interior of the main valve body is achieved; the piston moves left and right to realize the connection switching between the air inlet and return connecting pipe channel and the collecting connecting pipe channel and the air outlet and return connecting pipe channel, and the connection switching between the recycling connecting pipe channel and the air outlet and return connecting pipe channel to achieve the effect of working medium reversing.
Description
Technical Field
The utility model belongs to the technical field of air conditioner accessory equipment, specifically relate to a refrigerant is collected and is switched on switching-over valve.
Background
The structure of the air conditioner generally comprises a refrigeration system, an electrical system, a box body and a panel; the air conditioner refrigerating and heating part consists of a refrigerating compressor, a condenser, an evaporator and a throttling device to form a sealed circulating system; the refrigerant (working medium) is a working substance which completes refrigeration (heating) cycle in the refrigeration (heating) process, circularly flows in the refrigeration machine system, and continuously exchanges energy with the outside through the cycle change of the self thermal state to achieve the purpose of refrigeration (heating).
The air conditioners in the market at present only use one working medium refrigerant as a refrigerant, have single refrigeration air conditioners, also have refrigeration, heating heat pump type air conditioners, only use one working medium refrigerant as the air conditioner of the refrigerant, the outdoor exchanger is apt to frost while heating in winter; therefore, double working medium refrigerants are needed to be used as refrigerants, the double working medium air conditioners collect the refrigerants needed by the double working medium air conditioners to respective liquid storage containers for storage before refrigeration or heating conversion, and respective electromagnetic valves are opened for conduction during refrigeration or heating, so that the air conditioners need to use two different working media during refrigeration or heating, and an outdoor exchanger is prevented from frosting during heating of the air conditioners in winter; therefore, in a dual-working-medium air conditioning system, a refrigerant collecting and conducting reversing valve is needed to control the flow direction of the dual-working-medium refrigerant, and the existing reversing valve is integrated and is not easy to maintain in the later period.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a refrigerant collection switches on switching-over valve.
The above technical problem of the present invention can be solved by the following technical solutions: a refrigerant collecting and conducting reversing valve comprises a main valve body and a pilot valve body, wherein a left valve cover is arranged at the left end of the main valve body, a right valve cover is arranged at the right end of the main valve body, the left valve cover and the right valve cover are connected with the main valve body through bolts, a left limiting seat is arranged at the right side of the left valve cover, a right limiting seat is arranged at the left side of the right valve cover, a left positioning hole is formed in the left limiting seat, a right positioning hole is formed in the right limiting seat, a limiting pin is arranged between the left positioning hole and the right positioning hole, a collecting connecting pipe channel is arranged at the left upper side of the main valve body, an air returning connecting pipe channel is arranged at the upper side of the middle part of the main valve body, a recycling connecting pipe channel is arranged at the right upper side of the main valve body, an air returning connecting pipe channel is arranged, the middle part of the limiting pin is arranged at an eccentric position inside the piston, the middle part of the piston is provided with a first reversing channel, the right side of the lower end of the first reversing channel extends rightwards, the first reversing channel is L-shaped, the right upper side of the piston is provided with a second reversing channel, the second reversing channel is in a straight shape, the left side inside the main valve body is provided with a left air cavity, the right side inside the main valve body is provided with a right air cavity, a left guide pipe connector is arranged above the left air cavity and communicated with the left air cavity, a right guide pipe connector is arranged above the right air cavity and communicated with the right air cavity, the right side of the pilot valve body is provided with a pilot type electromagnetic valve, the inside of the pilot valve body is provided with a valve cavity, a sliding valve rod is arranged in the valve cavity, the left end of the sliding valve rod is provided with a left valve bowl, and the middle part of the sliding valve, the upper side of the pilot valve body is provided with a main guide pipe, the other end of the main guide pipe is connected with an air inlet and return connecting pipe channel, the left lower side of the pilot valve body is provided with a pilot valve pipe A, the other end of the pilot valve pipe A is connected with a left guide pipe interface, the lower side of the middle part of the pilot valve body is provided with a pilot valve pipe B, the other end of the pilot valve pipe B is connected with the right side of the recovery connecting pipe channel, the right lower side of the pilot valve body is provided with a pilot valve pipe C, and the other end of the pilot valve pipe C is connected with a.
The utility model discloses beneficial effect who has: the utility model is used in a system for refrigerating and heating of a dual-working-medium cooling and heating air conditioner, and is used when refrigerating working media are collected during air conditioner refrigeration or heating conversion, when a piston moves left and right on a limit pin, the limit pin enables the piston not to rotate and plays a role in positioning and orientation, a left limit seat and a right limit seat play a role in positioning left and right when the piston moves, and the air inlet and return connecting pipe channel can be communicated with a collecting connecting pipe channel or an air outlet and return connecting pipe channel through a first reversing channel, so that the effect of accurate moving position of the piston is realized; the left valve cover and the right valve cover are both connected with the main valve body through bolts, and in later-stage practical use, the left valve cover and the right valve cover are opened through unscrewing the bolts, so that the effect of maintaining the interior of the main valve body is achieved; during normal refrigeration or heating, working medium is pressurized from a main guide pipe through a guide pipe body and a guide pipe A to a left air cavity, a piston is pushed to the right side, an air inlet and return connecting pipe channel is communicated with an air outlet and return connecting pipe channel through a first reversing channel, if (working medium) refrigerant needs to flow to a collecting connecting pipe channel, a pilot-operated electromagnetic valve controls a left valve bowl and a right valve bowl to move rightwards, the air pressure of the working medium of the main guide pipe is communicated with a C guide pipe through a space between the left valve bowl and the right valve bowl, the C guide pipe pressurizes the right air cavity, the piston is pushed to the left side after the air pressure of the right air cavity is received, the air inlet and return connecting pipe channel is communicated with the collecting connecting pipe channel through the first reversing channel, a recovery channel is communicated with the air outlet and return connecting pipe channel through a second reversing channel, the piston moves leftwards and rightwards to realize the connection switching between the air inlet and return connecting pipe channel and, the effect of reversing and circulating the working medium in the main valve body is achieved; therefore, the utility model has the characteristics of simple structure, reasonable design and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of a connection structure between the pilot valve body and the pilot operated solenoid valve according to the present invention;
FIG. 3 is a schematic structural view of the collecting pipe passage communicating with the intake/return pipe passage;
FIG. 4 is a schematic view of the working medium pressure in the main guide pipe and the pilot valve A of the present invention;
fig. 5 is a schematic view of the working medium pressure in the main guide pipe and the pilot valve C of the present invention.
In the figure: 1. a main valve body; 2. a pilot valve body; 3. a left valve cover; 4. a right valve cover; 5. a bolt; 6. a left limiting seat; 7. A right limit seat; 8. a left positioning hole; 9. a right positioning hole; 10. a spacing pin; 11. collecting a connecting pipe channel; 12. an air outlet and return connection pipe channel; 13. recovering the connecting pipe channel; 14. an air inlet and return connection pipe channel; 15. a piston; 16. a first commutation channel; 17. A second commutation channel; 18. a left air cavity; 19. a right air cavity; 20. a left catheter hub; 21. a right catheter hub; 22. a pilot operated solenoid valve; 23. a valve cavity; 24. a sliding valve stem; 25. a left valve bowl; 26. a right valve bowl; 27. a main conduit; 28. a valve guide pipe A; 29. a valve guide pipe B; 30. a valve guide pipe C; 31. the working medium air pressure trend.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): a refrigerant collecting and conducting reversing valve comprises a main valve body and a pilot valve body, wherein a left valve cover is arranged at the left end of the main valve body, a right valve cover is arranged at the right end of the main valve body, the left valve cover and the right valve cover are both connected with the main valve body through bolts, a left limiting seat is arranged at the right side of the left valve cover, a right limiting seat is arranged at the left side of the right valve cover, a left positioning hole is formed in the left limiting seat, a right positioning hole is formed in the right limiting seat, a limiting pin is arranged between the left positioning hole and the right positioning hole, a collecting connecting pipe channel is arranged at the upper left side of the main valve body, an air outlet and return connecting pipe channel is arranged at the upper right side of the main valve body, a recycling connecting pipe channel is arranged at the upper right side of the, the main valve body is internally provided with a cylindrical piston, the middle part of the limiting pin is arranged at the eccentric position inside the piston, the middle part of the piston is provided with a first reversing channel, the right side of the lower end of the first reversing channel extends rightwards, the first reversing channel is L-shaped, the right upper side of the piston is provided with a second reversing channel, the second reversing channel is in a straight shape, the left side inside the main valve body is provided with a left air cavity, the right side inside the main valve body is provided with a right air cavity, a left guide pipe interface is arranged above the left air cavity and communicated with the left air cavity, a right guide pipe interface is arranged above the right air cavity and communicated with the right air cavity, the right side of the guide valve body is provided with a pilot type electromagnetic valve, the inside of the guide valve body is provided with a valve cavity, and a sliding valve rod is arranged in the valve cavity, the left end of the sliding valve rod is provided with a left valve bowl, the middle of the sliding valve rod is provided with a right valve bowl, the upper side of the pilot valve body is provided with a main guide pipe, the other end of the main guide pipe is connected with an air inlet and return connecting pipe channel, the left lower side of the pilot valve body is provided with a pilot valve pipe A, the other end of the pilot valve pipe A is connected with a left guide pipe interface, the lower side of the middle of the pilot valve body is provided with a pilot valve pipe B, the other end of the pilot valve pipe B is connected with the right side of a recovery connecting pipe channel, the right lower side of the pilot valve body is provided with a pilot valve pipe C, and the other end of.
The utility model discloses an operation principle: when the dual-working medium air conditioner is normally used for refrigeration or heating, working medium air pressure enters the main guide pipe through the air inlet and return connecting pipe channel, the working medium is pressurized to the left air cavity by the main guide pipe through the guide valve body through the guide pipe A, the piston is pushed to the right side, the air inlet and return connecting pipe channel is communicated with the air outlet and return connecting pipe channel through the first reversing channel in the piston, if (working medium) refrigerant is collected, the guide type electromagnetic valve drives the sliding valve rod, the left valve bowl and the right valve bowl move rightwards, the working medium air pressure of the main guide pipe is communicated to the C guide pipe through the space between the left valve bowl and the right valve bowl, the C guide pipe pressurizes the right air cavity, the piston is pushed to the left side after the air pressure is received by the right air cavity, the air inlet and return connecting pipe channel is communicated with the collecting connecting pipe channel through the first reversing channel, the recovery connecting pipe channel is communicated with the air outlet and return connecting pipe channel through the second, and the connection of the recovery connecting pipe channel and the air outlet and return connecting pipe channel is switched.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (1)
1. A refrigerant collecting and conducting reversing valve comprises a main valve body and a pilot valve body, and is characterized in that a left valve cover is arranged at the left end of the main valve body, a right valve cover is arranged at the right end of the main valve body, the left valve cover and the right valve cover are both connected with the main valve body through bolts, a left limiting seat is arranged at the right side of the left valve cover, a right limiting seat is arranged at the left side of the right valve cover, a left positioning hole is arranged on the left limiting seat, a right positioning hole is arranged on the right limiting seat, a limiting pin is arranged between the left positioning hole and the right positioning hole, a collecting connection pipe channel is arranged at the left upper side of the main valve body, an air outlet and return connection pipe channel is arranged at the upper right side of the main valve body, an air inlet and return connection pipe channel is arranged at the lower side of the middle part of the, the piston is cylindrical, the middle part of the limiting pin is arranged at the eccentric position in the piston, the middle part of the piston is provided with a first reversing channel, the right side of the lower end of the first reversing channel extends rightwards, the first reversing channel is L-shaped, the right upper side of the piston is provided with a second reversing channel, the second reversing channel is in a straight shape, the left side in the main valve body is provided with a left air cavity, the right side in the main valve body is provided with a right air cavity, a left guide pipe connector is arranged above the left air cavity and communicated with the left air cavity, a right guide pipe connector is arranged above the right air cavity and communicated with the right air cavity, the right side of the guide valve body is provided with a pilot electromagnetic valve, the inside of the guide valve body is provided with a valve cavity, a sliding valve rod is arranged in the valve cavity, and the left end of the sliding valve rod is provided with a left valve, the middle of the sliding valve rod is provided with a right valve bowl, the upper side of the pilot valve body is provided with a main guide pipe, the other end of the main guide pipe is connected with an air inlet and return connecting pipe channel, the left lower side of the pilot valve body is provided with a pilot valve pipe A, the other end of the pilot valve pipe A is connected with a left guide pipe interface, the lower side of the middle of the pilot valve body is provided with a pilot valve pipe B, the other end of the pilot valve pipe B is connected with the right side of a recovery connecting pipe channel, the right lower side of the pilot valve body is provided with a pilot valve pipe C, and the other end of the pilot valve pipe C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254519.0U CN210859891U (en) | 2019-02-28 | 2019-02-28 | Refrigerant collecting and conducting reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254519.0U CN210859891U (en) | 2019-02-28 | 2019-02-28 | Refrigerant collecting and conducting reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859891U true CN210859891U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254519.0U Expired - Fee Related CN210859891U (en) | 2019-02-28 | 2019-02-28 | Refrigerant collecting and conducting reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780264A (en) * | 2019-02-28 | 2019-05-21 | 浙江高翔工贸有限公司 | A kind of refrigerant collecting conducting reversal valve |
-
2019
- 2019-02-28 CN CN201920254519.0U patent/CN210859891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780264A (en) * | 2019-02-28 | 2019-05-21 | 浙江高翔工贸有限公司 | A kind of refrigerant collecting conducting reversal valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |