CN212775864U - Control valve for refrigerator and refrigerator - Google Patents
Control valve for refrigerator and refrigerator Download PDFInfo
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- CN212775864U CN212775864U CN202021124335.1U CN202021124335U CN212775864U CN 212775864 U CN212775864 U CN 212775864U CN 202021124335 U CN202021124335 U CN 202021124335U CN 212775864 U CN212775864 U CN 212775864U
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Abstract
The utility model provides a control valve and refrigerator for refrigerator. The control valve includes: the valve body is provided with a valve cavity, one end of the valve body is provided with a plurality of first communication ports, and the other end of the valve body is provided with a plurality of second communication ports; the valve core is rotatably arranged in the valve body, at least two flow channel groups are arranged in the valve core, and each flow channel group comprises at least one communicating flow channel; the valve core is rotatable to a position where each flow passage group is located between the plurality of first communication ports and the second communication port, so that each communication flow passage of the flow passage group communicates with one first communication port and one corresponding second communication port. The utility model discloses an among the control valve, because have the case of rotatable setting, have a plurality of runner groups on the case, just can realize the adjustment of intercommunication relation between a plurality of first intercommunication mouths and a plurality of second intercommunication mouth through rotating, control is convenient, simple structure, and the device occupies smallly, and the practicality is strong.
Description
Technical Field
The utility model relates to a refrigerator refrigerating system technical field, in particular to a control valve and refrigerator for refrigerator.
Background
A refrigerator is an appliance that maintains a low temperature by keeping food or other items in a constant low temperature cold state to avoid spoilage. The valves used in the existing refrigerator are an electric valve for changing the flow direction of the refrigerant and an electromagnetic valve for controlling the on-off of the pipeline. At present, a valve which changes the flow direction of fluid and plays a role of making the liquid flow reversely is not used in the refrigerator. Although the reversing is achieved in the field of air conditioning by providing a four-way valve, the existing four-way valve includes a main valve, a pilot valve, and a coil. The main valve comprises a valve body, a valve seat and four connecting pipes. The four-way valve structure is not suitable for control.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming at least one defect of current valve for the refrigerator, provide a be convenient for control, be used for the control valve of refrigerator to and have the refrigerator of this control valve.
Specifically, in one aspect, the present invention provides a control valve for a refrigerator, which includes:
the valve comprises a valve body, a valve cavity and a valve seat, wherein one end of the valve body is provided with a plurality of first communication ports, and the other end of the valve body is provided with a plurality of second communication ports;
the valve core is rotatably arranged in the valve body, at least two flow channel groups are arranged in the valve core, and each flow channel group comprises at least one communicating flow channel; the valve body is rotatable to a position where each of the flow passage groups is located between the plurality of first communication ports and the second communication port, so that each of the communication flow passages of the flow passage group communicates with one of the first communication ports and one of the corresponding second communication ports.
Optionally, each of the flow passage groups includes a plurality of the communication flow passages, and the plurality of communication flow passages respectively communicate with the plurality of first communication ports and the plurality of second communication ports; and is
In any two of the flow channel groups, at least one of the communicating flow channels in one of the flow channel groups is communicated with the same first communicating port as at least one of the communicating flow channels in the other flow channel group, and is communicated with different second communicating ports.
Optionally, the number of the first communication port and the second communication port is two, and each flow passage group includes two communication flow passages, so that the control valve is a reversing valve.
Optionally, the control valve further comprises:
the driving device is arranged in the valve body; and
a transmission mechanism configured to transmit motion output by a drive device to the valve element to rotate the valve element.
Optionally, the transmission mechanism comprises:
the driving gear is arranged on the driving device and is coaxial with the valve cavity;
the gear ring is arranged on the valve core and is coaxial with the valve cavity; and
and the reduction gear is arranged between the driving gear and the gear ring.
Optionally, sealing sheets are arranged between two ends of the valve core and the valve body, a communication hole corresponding to the first communication hole is arranged on the sealing sheet close to the first communication hole, and a communication hole corresponding to the second communication hole is arranged on the sealing sheet close to the second communication hole.
Optionally, the drive means is a stepper motor. The sealing sheet is a graphene sheet.
Optionally, the two communicating flow passages of one flow passage group are arranged in parallel, and the two communicating flow passages of the other flow passage group are arranged in a crossed manner and are not communicated with each other.
Optionally, the two parallel communicating runners are both straight runners, and the two intersecting communicating runners are both curved runners.
On the other hand, the utility model also provides a refrigerator, wherein include any kind of above-mentioned control valve.
The utility model discloses an among control valve and refrigerator, because have the case of rotatable setting, have a plurality of runner groups on the case, just can realize the adjustment of intercommunication relation between a plurality of first intercommunication mouths and a plurality of second intercommunication mouth through rotating, control is convenient, simple structure, and the device occupies smallly, and the practicality is strong.
Further, the utility model discloses an among control valve and the refrigerator, can make the control valve for the switching-over valve that has the switching-over function, can compensate on the refrigerator still not used change the fluid flow direction, play the valve that makes liquid reverse flow effect this vacancy, realize refrigerant or other liquid reverse flow in some circumstances.
Further, the utility model discloses an in control valve and refrigerator, control through step motor and gear drive, control is accurate, and the precision is high. Graphene sheets or other structural components that function as such can achieve good sealing and very low friction.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic cross-sectional structural view of a control valve according to an embodiment of the present invention;
FIG. 2 is a schematic longitudinal cross-sectional block diagram of the control valve of FIG. 1;
FIG. 3 is another schematic cross-sectional block diagram of the control valve of FIG. 1 with the valve spool in another position;
fig. 4 is a schematic structural view of a refrigeration system of a refrigerator according to an embodiment of the present invention, in which the refrigeration system is in an operating state;
fig. 5 is a schematic view of the refrigeration system of fig. 4 in another operating state.
Detailed Description
Fig. 1 is a schematic cross-sectional structural view of a control valve according to an embodiment of the present invention. As shown in fig. 1 and referring to fig. 2 and 3, an embodiment of the present invention provides a control valve 200 for a refrigerator, which includes a valve body 20 and a valve cartridge 30. The valve body 20 has a valve chamber, and one end of the valve body 20 is provided with a plurality of first communication ports 21, and the other end of the valve body 20 is provided with a plurality of second communication ports 22. The valve core 30 is rotatably installed in the valve body 20, and at least two flow passage sets 31 are provided in the valve core 30, and each flow passage set 31 includes at least one communication flow passage 32. The spool 30 is rotatable to a position where each flow passage group 31 is located between the plurality of first communication ports 21 and the second communication ports 22, so that each communication flow passage 32 of the flow passage group 31 communicates one first communication port 21 and one corresponding second communication port 22. That is, the valve body 30 is rotated as necessary so that one of the flow path groups 31 is positioned between the plurality of first communication ports 21 and the second communication port 22 to perform flow guidance. When another demand is satisfied, the corresponding another flow passage group 31 is rotated to between the plurality of first communication ports 21 and the second communication port 22. In order to meet different requirements, each flow channel group 31 includes one communication flow channel 32, and optionally, each flow channel group 31 may also include 2, 3 or more communication flow channels 32. The communication flow path 32 may be provided as required, for example, when the communication flow path 32 is plural, part of the communication flow path 32 may share an inlet, or part of the communication flow path 32 may share an outlet, etc.
The utility model discloses in the control valve 200, because the case 30 that has rotatable setting has a plurality of runner groups 31 on the case 30, just can realize the adjustment of intercommunication relation between a plurality of first intercommunication openings 21 and a plurality of second intercommunication openings 22 through rotating, control is convenient, simple structure, and the device occupies smallly, and the practicality is strong.
In some preferred embodiments of the present invention, each flow channel group 31 includes a plurality of communication flow channels 32, and the plurality of communication flow channels 32 respectively communicate with the plurality of first communication ports 21 and the plurality of second communication ports 22. And in any two flow channel groups 31, at least one communication flow channel 32 in one flow channel group 31 communicates with the same first communication port 21 and communicates with a different second communication port 22 with at least one communication flow channel 32 in another flow channel group 31. In operation, each first communication port 21 and each second communication port 22 can be used, and fluids having different flowability can be made.
Preferably, the first communication port 21 and the second communication port 22 are two, and each flow passage group 31 includes two communication flow passages 32, so that the control valve 200 is a selector valve. The two communicating flow passages 32 of one flow passage group 31 are arranged in parallel, and the two communicating flow passages 32 of the other flow passage group 31 are arranged in a crossing manner and are not communicated with each other. The two parallel connecting runners 32 are both straight runners, and the two intersecting connecting runners 32 are both curved runners.
The utility model discloses in the control valve 200, can make the control valve 200 for the switching-over valve that has the switching-over function, can compensate on the refrigerator still not used change the fluid flow direction, play this vacancy of valve that makes liquid reverse flow effect, realize refrigerant or other liquid reverse flow in some circumstances.
In some embodiments of the present invention, the control valve 200 further comprises a drive device and a transmission mechanism. The drive means is mounted within the valve body 20. The transmission mechanism is configured to transmit the motion output by the drive device to the valve element 30 to rotate the valve element 30. Optionally, the transmission comprises a drive gear 51, a ring gear 52 and a reduction gear 53. The driving device is a stepping motor and is arranged in the valve body 20 or outside the valve body 20. The driving gear 51 is mounted to the driving device and is disposed coaxially with the valve chamber. The ring gear 52 is mounted to the spool 30 and is disposed coaxially with the valve cavity. The reduction gear 53 is rotatably mounted to the valve body 20 between the drive gear 51 and the ring gear 52. The stepping motor and the gear transmission mechanism are used for controlling, so that the control is accurate and the precision is high.
A sealing sheet 40 is provided between both ends of the valve body 30 and the valve body 20. The seal sheet 40 adjacent to the first communication port 21 is provided with a communication hole corresponding to the first communication port 21, and the seal sheet 40 adjacent to the second communication port 22 is provided with a communication hole corresponding to the second communication port 22. The sealing sheet 40 is a graphene sheet. Graphene sheets or other structural components that function as such can achieve good sealing and very low friction. Further, the valve body 20 includes two end caps and a sleeve connected to the two end caps, and the valve core 30 is disposed between the two end caps and located in the sleeve.
The utility model discloses control valve 200 realizes the turned position of inside case 30 at the during operation through the step number of controlling step motor (step number is 1600 temporarily, and optional case is decided). At the initial power-on, after the reset action, the valve body 20 is in the forward conducting state. If the valve body 20 is in the reverse conducting state during the initial electrification, the valve body is turned back to the forward conducting state after 1600 steps of the CCW action. In the forward direction conduction, as shown in fig. 1, the port a of the first communication port enters the port a of the second communication port and exits the port B of the first communication port. When the valve body 20 is in the forward conduction state, the valve body is switched to the reverse conduction state in 1600 steps of CW action; in the reverse direction conduction, as shown in fig. 3, the port a of the first communication port enters the port B of the second communication port and the port B of the first communication port enters the port a of the second communication port. Through the rotation of step motor control valve 200 core 30, and then change the structure and the control mode that the fluid flows to, the motorised valve among the prior art only can change the fluid flow direction, A to or B to flowing, however the utility model discloses a control valve 200 both can realize the positive reverse flow of pipeline, also can realize the exchange connection order of pipeline.
The embodiment of the utility model provides a refrigerator is still provided, and the refrigerator includes the control valve 200 in any above-mentioned embodiment.
Specifically, a refrigerator may include a cabinet and a refrigeration system. The storage chamber is arranged in the box body, and the refrigerating system can be a compression refrigerating system and used for supplying cold to the storage chamber. Further, the refrigeration system may be provided with the control valve 200 to control the flow direction of the refrigerant.
For example, the refrigeration system includes a compressor 100, a control valve 200, a condenser 300, a throttling device 400, and an evaporator 500. The outlet of the compressor 100 is communicated with the port a of the first communication port of the control valve 200, the port a of the second communication port is communicated with the inlet of the condenser 300, the inlet of the throttling device 400 is communicated with the outlet of the condenser 300, the inlet of the evaporator 500 is communicated with the outlet of the throttling device 400, the outlet of the evaporator 500 is communicated with the port B of the second communication port, and the port B of the first communication port is communicated with the inlet of the compressor 100.
As shown in fig. 4, when the refrigerator is normally cooled, the port a of the first communication port communicates with the port a of the second communication port, and the port B of the second communication port communicates with the port B of the first communication port. As shown in fig. 5, when the refrigerator evaporator defrosts, the port a of the first communication port communicates with the port B of the second communication port, and the port a of the second communication port communicates with the port B of the first communication port.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A control valve for a refrigerator, comprising:
the valve comprises a valve body, a valve cavity and a valve seat, wherein one end of the valve body is provided with a plurality of first communication ports, and the other end of the valve body is provided with a plurality of second communication ports;
the valve core is rotatably arranged in the valve body, at least two flow channel groups are arranged in the valve core, and each flow channel group comprises at least one communicating flow channel; the valve body is rotatable to a position where each of the flow passage groups is located between the plurality of first communication ports and the second communication port, so that each of the communication flow passages of the flow passage group communicates with one of the first communication ports and one of the corresponding second communication ports.
2. The control valve of claim 1,
each flow channel group comprises a plurality of communication flow channels which are respectively communicated with the first communication ports and the second communication ports; and is
In any two of the flow channel groups, at least one of the communicating flow channels in one of the flow channel groups is communicated with the same first communicating port as at least one of the communicating flow channels in the other flow channel group, and is communicated with different second communicating ports.
3. The control valve of claim 2,
the first communication port and the second communication port are two, and each flow channel group comprises two communication flow channels, so that the control valve is a reversing valve.
4. The control valve of claim 1, further comprising:
the driving device is arranged in the valve body; and
a transmission mechanism configured to transmit motion output by a drive device to the valve element to rotate the valve element.
5. The control valve of claim 4, wherein the transmission mechanism comprises:
the driving gear is arranged on the driving device and is coaxial with the valve cavity;
the gear ring is arranged on the valve core and is coaxial with the valve cavity; and
and the reduction gear is arranged between the driving gear and the gear ring.
6. The control valve of claim 4,
the driving device is a stepping motor.
7. The control valve of claim 1,
sealing sheets are arranged between the two ends of the valve core and the valve body, a communicating hole corresponding to the first communicating hole is formed in the sealing sheet close to the first communicating hole, and a communicating hole corresponding to the second communicating hole is formed in the sealing sheet close to the second communicating hole.
8. The control valve of claim 7,
the sealing sheet is a graphene sheet.
9. The control valve of claim 3,
the two communicating flow passages of one flow passage group are arranged in parallel, and the two communicating flow passages of the other flow passage group are arranged in a crossed manner and are not communicated with each other;
the two parallel communicated runners are straight runners, and the two crossed communicated runners are curved runners.
10. A refrigerator characterized by comprising a control valve as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124335.1U CN212775864U (en) | 2020-06-17 | 2020-06-17 | Control valve for refrigerator and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124335.1U CN212775864U (en) | 2020-06-17 | 2020-06-17 | Control valve for refrigerator and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775864U true CN212775864U (en) | 2021-03-23 |
Family
ID=75071775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124335.1U Active CN212775864U (en) | 2020-06-17 | 2020-06-17 | Control valve for refrigerator and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775864U (en) |
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2020
- 2020-06-17 CN CN202021124335.1U patent/CN212775864U/en active Active
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