CN217110076U - Four-way refrigerating valve - Google Patents
Four-way refrigerating valve Download PDFInfo
- Publication number
- CN217110076U CN217110076U CN202220904890.9U CN202220904890U CN217110076U CN 217110076 U CN217110076 U CN 217110076U CN 202220904890 U CN202220904890 U CN 202220904890U CN 217110076 U CN217110076 U CN 217110076U
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Abstract
The utility model discloses a cross refrigeration valve, including the cross valve body, the both sides of cross valve body communicate respectively that there is the medium to advance pipe and medium exit tube, the medium advance the pipe the center pin with the center pin of medium exit tube is on a plane, the medium exit tube is located the below that the medium advances the pipe, the top of cross valve body is equipped with actuating mechanism, the bottom sealing connection of cross valve body has the valve gap, actuating mechanism is connected with the valve rod, the valve rod lower extreme is connected with the valve clack, the sub-unit connection of valve clack has the spring, be fixed with the uide bushing on the valve gap, the valve clack can the uide bushing slides, the lower tip of valve clack is equipped with the annular seal groove that is used for realizing with uide bushing sealing connection outward, be equipped with the sealing washer in the seal groove. The utility model discloses a four-way refrigerating valve compact structure is reasonable, and sealed effect is outstanding to the valve body operation is stable, has improved the messenger life of valve body.
Description
Technical Field
The utility model relates to a refrigeration control valve equipment technical field specifically is a cross refrigerating valve.
Background
The four-way refrigeration valve, also called thermal expansion valve, is usually used in heat pump control system, in the heat pump control system, the refrigerant can generally flow in reverse direction to realize the function of refrigeration and heating, the thermal expansion valve of the prior art is generally arranged in one way, and the one-way valve is arranged on the outer side. The expansion valve controls the flow of the refrigerant, so that the outlet of the evaporator is completely gaseous refrigerant, and if the flow is too large, the outlet contains liquid refrigerant which may enter the compressor to generate liquid impact; if the flow of the refrigerant is too small, the evaporation is finished in advance, and the refrigeration is insufficient.
The existing four-way refrigeration valve, as disclosed in chinese patent CN202992208U, comprises a valve body, a base, an adjusting component and a transmission element, wherein the base is assembled at the bottom of the valve body, a valve cavity is formed in the valve body, the adjusting component is disposed in the valve cavity, the transmission element is connected to the adjusting component, the adjusting component comprises a spring seat capable of moving up and down in the valve cavity, the spring seat is provided with at least one guide groove, the valve cavity is provided with at least one guide rod, and the guide rod passes through the corresponding guide groove on the spring seat. The spring seat can move axially along the guide rod through the thread transmission, so that the compression amount of the spring is changed. However, in the patent, the valve body cavity where the spring seat is located and the medium valve body cavity are not provided with a sealing structure, so that medium fluid can easily enter the valve body cavity of the spring seat, on one hand, the spring seat is easily corroded, the service life of the valve body is influenced, and on the other hand, the flow of the valve body is not easily controlled precisely.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cross refrigerating valve solves current refrigerating valve because spring holder place valve body chamber and medium valve body seal tightly and influence valve body life's problem.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a cross refrigerating valve, includes the cross valve body, the both sides of cross valve body communicate respectively has the medium to advance pipe and medium exit tube, the medium advance the pipe the center pin with the center pin of medium exit tube is on a plane, the medium exit tube is located the below that the pipe was advanced to the medium, the top of cross valve body is equipped with actuating mechanism, the bottom sealing connection of cross valve body has the valve gap, actuating mechanism is connected with the valve rod, the valve rod lower extreme is connected with the valve clack, the sub-unit connection of valve clack has the spring, be fixed with the uide bushing on the valve gap, the valve clack can the uide bushing slides, the lower tip of valve clack is equipped with the annular seal groove that is used for realizing with uide bushing sealing connection outward, be equipped with the sealing washer in the seal groove.
Wherein, two O-shaped rings are arranged outside the side wall of the valve clack.
The valve comprises a valve clack, a valve cover, a spring, a valve cover and a valve seat, wherein an inner hole is formed in the lower portion of the valve clack, one end of the spring is fixedly connected with the valve cover, and the other end of the spring is fixedly connected with the lower end portion of the inner hole.
The valve body is internally provided with a first protruding edge part, the first protruding edge part is positioned between the medium inlet pipe and the medium outlet pipe, and the valve clack is abutted against the protruding edge part to divide the valve body cavity of the valve body into an upper valve body cavity and a lower valve body cavity.
When the valve clack is positioned at the top end, the second protruding edge part is abutted to the first protruding edge part, the outer diameter of the second protruding edge part is larger than the inner diameter of the guide sleeve, and when the valve clack is positioned at the top end, the second protruding edge part is abutted to the top end of the guide sleeve.
The utility model provides a cross refrigerating valve possesses following beneficial effect:
the utility model discloses in be equipped with the annular seal groove that is used for realizing with uide bushing sealing connection under the valve clack, be equipped with the sealing washer in the seal groove, avoided the medium fluid to get into the valve body intracavity at spring place, also can the flow of accurate control valve body. And the valve clack slides in the guide sleeve, so that the stability of the valve body in moving is improved. The utility model discloses a four-way refrigerating valve compact structure is reasonable, and sealed effect is outstanding to the valve body operation is stable, has improved the messenger life of valve body.
Drawings
Fig. 1 is the structure schematic diagram of the middle four-way refrigerating valve of the utility model.
In the figure: 1. the four-way valve comprises a four-way valve body, 2, a medium inlet pipe, 3, a medium outlet pipe, 4, an actuating mechanism, 5, a valve cover, 6, a valve rod, 7, a valve clack, 8, a spring, 9, a guide sleeve, 10, a sealing ring, 11, an O-shaped ring, 12, an inner hole, 13, a first protruding edge part, 14, a second protruding edge part, 15, an upper valve body cavity and 16, a lower valve body cavity
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.
Referring to fig. 1, the embodiment provides a four-way refrigeration valve, which includes a four-way valve body 1, two sides of the four-way valve body 1 are respectively communicated with a medium inlet pipe 2 and a medium outlet pipe 3, a central axis of the medium inlet pipe 2 and a central axis of the medium outlet pipe 3 are on the same plane, the medium outlet pipe 3 is located below the medium inlet pipe 2, the top of the four-way valve body 1 is provided with an actuating mechanism 4, the bottom of the four-way valve body 1 is hermetically connected with a valve cover 5, the actuating mechanism 4 is connected with a valve rod 6, the lower end of the valve rod 6 is connected with a valve flap 7, the lower part of the valve flap 7 is connected with a spring 8, a guide sleeve 9 is fixed on the valve cover 5, the valve flap 7 can slide on the guide sleeve 9, an annular seal groove for achieving sealed connection with the guide sleeve 9 is arranged outside the lower end part of the valve flap 7, and a seal ring 10 is arranged in the seal groove. The sealing ring 10 prevents medium fluid from entering the valve body cavity where the spring 8 is located, prevents the spring 8 from being corroded by the medium fluid, prolongs the service life of the valve body, and improves the stability of the valve body in operation as the valve clack 7 moves on the guide sleeve 9.
Wherein, in order to further improve the sealing effect, two O-shaped rings 11 are arranged outside the side wall of the valve clack 7. Two O-rings 11 are located above the sealing ring 10.
Wherein, the lower part of valve clack 7 is equipped with hole 12, and the one end and the valve gap 5 fixed connection of spring 8, the other end and the lower tip fixed connection of hole 12 of spring 8, and this structure has further improved the stability of valve clack 7 operation.
Wherein, be equipped with first protruding portion 13 in the valve body, first protruding portion 13 is located between medium advances pipe 2 and medium exit tube 3, and valve clack 7 is contradicted with first protruding portion 13, divides the valve body cavity of valve body into upper valve body cavity 15 and lower valve body cavity 16.
Wherein, the top end of the valve flap 7 is externally provided with a second protruding edge part 14, when the valve flap 7 is positioned at the top end, the second protruding edge part 14 is abutted against the first protruding edge part 13, the outer diameter of the second protruding edge part 14 is larger than the inner diameter of the guide sleeve 9, and when the valve flap 7 is positioned at the top end, the second protruding edge part 14 is abutted against the top end of the guide sleeve 9. I.e. the travel of the valve flap 7 is the distance between the first ledge 13 and the guide sleeve 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a four-way refrigeration valve, includes four-way valve body, its characterized in that: the utility model discloses a four-way valve, including four-way valve body, medium inlet pipe and medium outlet pipe, four-way valve body's both sides communicate respectively has the medium to advance pipe and medium outlet pipe, the medium advance the center pin of pipe with the center pin of medium outlet pipe is on a plane, the medium outlet pipe is located the below that the pipe was advanced to the medium, four-way valve body's top is equipped with actuating mechanism, four-way valve body's bottom sealing connection has the valve gap, actuating mechanism is connected with the valve rod, the valve rod lower extreme is connected with the valve clack, the sub-unit connection of valve clack has the spring, be fixed with the uide bushing on the valve gap, the valve clack can the uide bushing slides, the lower tip of valve clack is equipped with the annular seal groove that is used for realizing with uide bushing sealing connection outward, be equipped with the sealing washer in the seal groove.
2. The four-way refrigeration valve of claim 1, wherein: two O-shaped rings are arranged outside the side wall of the valve clack.
3. The four-way refrigeration valve of claim 1, wherein: the lower part of valve clack is equipped with the hole, the one end of spring with valve gap fixed connection, the other end of spring with the lower tip fixed connection of hole.
4. The four-way refrigeration valve of claim 1, wherein: the valve body is internally provided with a first protruding edge part which is positioned between the medium inlet pipe and the medium outlet pipe, and when the valve clack is abutted against the protruding edge part, the valve body cavity of the valve body is divided into an upper valve body cavity and a lower valve body cavity.
5. The four-way refrigeration valve of claim 4, wherein: the top end of valve clack is equipped with the second portion of protruding outward, and when the valve clack was located the top, the second portion of protruding along with first portion of protruding along contradicts, the external diameter of second portion of protruding along is greater than the internal diameter of uide bushing, when the valve clack is located the top, the second portion of protruding along with the uide bushing top is contradicted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904890.9U CN217110076U (en) | 2022-04-19 | 2022-04-19 | Four-way refrigerating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904890.9U CN217110076U (en) | 2022-04-19 | 2022-04-19 | Four-way refrigerating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217110076U true CN217110076U (en) | 2022-08-02 |
Family
ID=82581999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220904890.9U Active CN217110076U (en) | 2022-04-19 | 2022-04-19 | Four-way refrigerating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217110076U (en) |
-
2022
- 2022-04-19 CN CN202220904890.9U patent/CN217110076U/en active Active
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