CN115704493A - Reversing valve - Google Patents
Reversing valve Download PDFInfo
- Publication number
- CN115704493A CN115704493A CN202110900619.8A CN202110900619A CN115704493A CN 115704493 A CN115704493 A CN 115704493A CN 202110900619 A CN202110900619 A CN 202110900619A CN 115704493 A CN115704493 A CN 115704493A
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- valve body
- wall
- flange
- main valve
- limiting
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000000306 component Substances 0.000 description 5
- 239000008358 core component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The application discloses a reversing valve, including valve body part and switching module, the valve body part includes the main valve body, the main valve body has the chamber of holding in, the main valve body still has first bellying and second bellying, first bellying has spacing recess, spacing recess cave in the corresponding internal face that holds the chamber and corresponds of first bellying, the main valve body still has the fitting surface, the fitting surface is the partly of the rest of the corresponding internal face of chamber holds, and partly be the corresponding internal face that holds the chamber of second bellying of fitting surface; the switching assembly comprises at least one limiting flange, and the limiting flange is at least partially limited in the limiting groove in a sliding mode. The first sealing part is directly matched with the main valve body, a valve seat is omitted, and the switching assembly can be directly installed in the main valve body, so that the assembling process is simplified.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the technical field of refrigeration, in particular to a reversing valve.
[ background ] A method for producing a semiconductor device
As shown in fig. 1, in the prior art, a main valve body of a reversing valve is provided with a valve seat matched with a sliding bowl, and the valve seat and the main valve body need to be fixed first and then the sliding bowl needs to be assembled in the assembling process, so that the assembling is inconvenient and the efficiency is low.
[ summary of the invention ]
In order to solve the problem of inconvenient assembly of the reversing valve, the following technical scheme is provided:
a reversing valve comprises a valve body part and a switching assembly, wherein the valve body part comprises a main valve body, an accommodating cavity is formed in the main valve body, the main valve body is also provided with a first bulge part and a second bulge part, the first bulge part is provided with a limiting groove, the limiting groove is recessed in the inner wall surface corresponding to the accommodating cavity corresponding to the first bulge part, the main valve body is also provided with a matching surface, the matching surface is a part of the rest part of the inner wall surface corresponding to the accommodating cavity, and the part of the matching surface is the inner wall surface corresponding to the accommodating cavity corresponding to the second bulge part; the switching assembly further comprises at least one limiting flange, and the limiting flange is at least partially limited in the limiting groove in a sliding mode. The valve seat is omitted, and the first sealing part is directly matched with the main valve body, so that the switching assembly can be directly installed in the main valve body, and the assembling process is simplified.
The main valve body is substantially tubular; the first boss and the second boss are respectively positioned on two sides of the outer wall of the main valve body, and the positions of the first boss and the second boss are approximately symmetrical; the thickness of the first boss and the second boss at the thinnest position of the main valve body in the radial direction is not smaller than that of the main valve body pipe wall.
The main valve body is also provided with a first connecting channel which is positioned on and penetrates through the first boss, and the limiting flange moves between the inner wall of one side, closest to the end of the main valve body, corresponding to the first connecting channel and the end of the main valve body.
A gap is reserved between the wall of the limiting groove opposite to the end part of the limiting flange and the end part of the limiting flange, and two side walls of the limiting flange are abutted against two side walls corresponding to the limiting groove in the radial direction of the main valve body.
The switching assembly further comprises a connecting rod, and one part of the connecting rod is punched to form the limiting flange; the number of the limiting flanges is two, and the two limiting flanges are symmetrically distributed at two ends of the connecting rod; the limiting flange is of a rectangular plate-shaped structure, one end of the limiting flange is fixedly connected with the connecting rod, and the other end of the limiting flange is matched with the wall corresponding to the limiting groove.
The switching assembly further comprises a fixing piece, and the fixing piece is used for connecting and fixing the limiting flange and the connecting rod; the mounting includes first connecting wall and second connecting wall, first connecting wall with limit flange is connected fixedly, the second connecting wall with the connecting rod is connected fixedly, first connecting wall with still be equipped with one at least strengthening rib between the second connecting wall.
The switching assembly is provided with a first moving direction and a second moving direction, and chamfers or fillets are arranged at the end part of the limiting flange in the first moving direction and/or the second moving direction.
The valve body part also comprises two sealing parts which are respectively fixed with the two ends of the main valve body in a sealing way; the sealing component is provided with a first cylinder part and a second cylinder part, wherein the end part of the first cylinder part is fixedly connected and communicated with the end part of the second cylinder part, and the inner diameter of the second cylinder part is larger than that of the first cylinder part; the first cylindrical portion is away from the main valve body with respect to the second cylindrical portion in the axial direction of the seal member.
The end part of the second cylinder part is also provided with a sealing flange, and the sealing flange is attached and fixed with the end part of the main valve body; the sealing component is formed by integral punching.
The switching assembly further comprises a valve core component, the valve core component comprises a valve core main body and an extending flange, the valve core main body is provided with a first wall portion and a second wall portion, and the first wall portion and the second wall portion are opposite in position; the first wall part is matched with the matching surface, a communication groove is formed in the first wall part, and the communication groove is communicated with the second connecting channel and the third connecting channel or the second connecting channel and the fourth connecting channel; the extension flange is located the second wall portion, just the second wall portion with still be equipped with joint step portion between the extension flange, extend the flange joint step portion with the case main part is integrative to be set up.
Therefore, in the assembling process, the influence of the valve seat is avoided, the switching assembly can be conveniently installed in the main valve body, the process is simplified, and the efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the prior art;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a perspective view of the present application;
FIG. 4 is a schematic cross-sectional view of the present application;
FIG. 5 is a schematic view of the main valve body;
FIG. 6 is a schematic diagram of a switching assembly;
FIG. 7 is a schematic view of a connecting rod;
FIG. 8 is a schematic view of a position-defining flange;
FIG. 9 is a schematic view of a seal member;
FIG. 10 is a perspective view of the valve core member;
FIG. 11 is a schematic bottom view of the valve core assembly;
FIG. 12 is a schematic view of a connecting rod in another embodiment.
Reference numerals are as follows:
a valve body component 1, a switching assembly 2;
a main valve body 10, a seal member 11; a connecting rod 21, a spool member 22, a second sliding seal member 23;
a receiving cavity 100, a first boss 101, a second boss 102;
a first cylindrical portion 111, a second cylindrical portion 112, a seal flange 113;
a position-defining flange 211; a fixing member 212; a stopper hole 213;
a spool body 220, a first wall portion 221, a second wall portion 222, an extension flange 223;
a limit groove 1011; fillets/chamfers 2111; a first connecting wall 2121, a second connecting wall 2122, and a reinforcing rib 2123; a communicating groove 2211 for clamping the step part 2231;
a pilot valve part 3, a pilot valve body 30, a fixed bracket 35, a first capillary 31, a second capillary 32, a third capillary 33, a fourth capillary 34;
a first connection pipe 41, a second connection pipe 42, a third connection pipe 43, a fourth connection pipe 44;
a first connecting passage 51, a second connecting passage 52, a third connecting passage 53, a fourth connecting passage 54; a positioning step portion 50;
a valve seat 6.
Detailed Description
The technical solution of the specific embodiment is explained below with reference to the accompanying drawings,
as shown in the figures 3-11 of the drawings,
a reversing valve comprises a valve body part 1, wherein the valve body part 1 comprises a main valve body 10, a pilot valve part 3, two sealing parts 11, a first connecting pipe 41, a second connecting pipe 42, a third connecting pipe 43 and a fourth connecting pipe 44. The main valve body is generally tubular and has a receiving chamber therein, and the switching assembly is at least partially located within the receiving chamber. The main valve body 10 further has a first protruding portion and a second protruding portion, the first protruding portion and the second protruding portion are respectively located on two sides of the outer wall of the main valve body, and the positions of the first protruding portion and the second protruding portion are approximately symmetrical; the thickness of the thinnest position of the first bulge and the second bulge in the radial direction of the main valve body is not smaller than that of the pipe wall of the main valve body. The first protruding portion 101 is provided with a first connecting channel 51, the first connecting channel penetrates through the first protruding portion, the second protruding portion 102 is provided with a second connecting channel 52, a third connecting channel 53 and a fourth connecting channel 54, one end of the first connecting pipe 41 is fixedly connected with the wall corresponding to the first connecting channel 51, one end of the second connecting pipe 42 is fixedly connected with the wall corresponding to the second connecting channel 52, one end of the third connecting pipe 43 is fixedly connected with the wall corresponding to the third connecting channel 53, and one end of the fourth connecting pipe 44 is fixedly connected with the wall corresponding to the fourth connecting channel 54. In addition, the inner walls of the first connecting channel 51, the second connecting channel 52, the third connecting channel 53 and the fourth connecting channel 54 are provided with positioning steps 50, which are used for positioning the connecting pipes to be connected when the connector is installed.
The two sealing components 11 are formed by integral punch forming and are respectively fixed with the two ends of the main valve body 10 in a sealing way. The seal member 11 includes a first cylindrical portion 113 and a second cylindrical portion 112, an end portion of one end of the first cylindrical portion 113 is closed, an end portion of the other end of the first cylindrical portion 113 is fixedly connected to and communicates with an end portion of the second cylindrical portion 112, an inner diameter of the first cylindrical portion 113 is smaller than an inner diameter of the second cylindrical portion 112, and the first cylindrical portion 113 is apart from the main valve body 10 with respect to the second cylindrical portion 112 in an axial direction of the seal member 11. The end of the second cylinder 112 is also provided with a sealing flange, which is fixed to the end of the main valve body 10.
The pilot valve part 3 includes a pilot valve body 30, a fixing bracket 35, a first capillary tube 31, a second capillary tube 32, a third capillary tube 33, and a fourth capillary tube 34. The pilot valve body 30 is connected and fixed to the outer wall of the main valve body 10 through a fixing bracket 35. The first capillary 31 connects the inner cavity of the pilot valve body 30 to the first connection pipe 41, and the second capillary 32 connects the inner cavity of the pilot valve body 30 to the second connection pipe 42. The third capillary 33 is communicated with the inner cavity of the main guide valve body 30 and the first cylinder part 113 of one sealing part 11, and the fourth capillary 34 is communicated with the inner cavity of the main guide valve body 30 and the first cylinder part 113 of the other sealing part 11, so that the reliability and the stability of corresponding functions in corresponding working conditions are ensured.
The reversing valve further comprises a switch assembly 2, the switch assembly 2 being located at least partially within the main valve body 10, the switch assembly 2 comprising a connecting rod 21, a spool member 22 and two second sliding seals 23. Two second sliding sealing members 23 are respectively located at two ends of the connecting rod 21 and fixedly connected with the connecting rod. Second sliding seal 23 is at least partially located within second cylinder 112 of second sliding seal 23 and is an interference fit with the inner wall of second cylinder 112. The interference fit is to ensure the tightness. When the switching assembly 2 moves back and forth in the corresponding working condition, the first cylindrical part 111 can also play a role of limiting because the inner diameter of the first cylindrical part 111 is smaller than that of the second cylindrical part 112.
The spool member 22 includes a spool main body 220 and an extension flange 223, the spool main body 220 is provided with a first wall portion 221 and a second wall portion 222, and the positions of the first wall portion 221 and the second wall portion 222 are opposite; the first wall portion 221 is matched with the matching surface, the first wall portion 221 is provided with a communication groove 2211, and in a corresponding working condition, the connecting rod 21 drives the valve core part 22 to move, so that the communication groove 2211 is communicated with the second connecting channel 52 and the third connecting channel 53 or the second connecting channel 52 and the fourth connecting channel 54; the extension flange 223 is located on the second wall portion 222, a snap-fit step portion 2231 is further provided between the second wall portion 222 and the extension flange 223, the snap-fit step portion 2231 and the valve element main body 220 are integrally provided. The extension flange 223 is provided for the purpose of expanding the volume of the communication groove 2211. The connecting rod 21 is provided with a limiting hole 213, at least part of the valve core part 22 is located in the limiting hole 213, and the clamping stepped part 2231 is in clearance fit with the corresponding wall of the limiting hole 213.
Meanwhile, the switching assembly 2 further includes at least one limit flange 211, and the limit flange 211 is fixedly connected to the connection rod 21, in this embodiment, the number of the limit flanges 211 is one, and the limit flange 211 and the connection rod 21 are integrally formed, specifically, a part of the connection rod 21 is formed by stamping; the limiting flange is of a rectangular plate-shaped structure, and one end of the limiting flange is fixedly connected with the connecting rod. The first bulge has a limiting groove, the limiting groove is recessed on the inner wall surface corresponding to the accommodating cavity corresponding to the first bulge, the main valve body further has a matching surface, the matching surface is a part of the rest part of the inner wall surface corresponding to the accommodating cavity, and a part of the matching surface is the inner wall surface corresponding to the accommodating cavity corresponding to the second bulge. And the position-limiting flange 211 is at least partially slidably limited in the position-limiting groove 1011. The limit flange 211 is adapted to the limit groove 1011, specifically, the other end of the limit flange is matched with the wall corresponding to the limit groove, and in the radial direction of the main valve body 10, two side walls of the limit flange 211 are abutted against two side walls corresponding to the limit groove 1011, so as to prevent the switching component 2 from deflecting in the circumferential direction; however, a gap is left between the wall of the position-restricting groove 1011 opposite to the end of the position-restricting flange 211 and the end of the position-restricting flange 211 to reduce friction. Further, the stopper flange moves between a side inner wall corresponding to the first connecting passage closest to the end of the main valve body and the end of the main valve body to prevent interference with the first connecting passage.
The connecting rod 21 further has a first moving direction and a second moving direction (the connecting rod 21 moves in the main valve body 10, the direction that the connecting rod 21 moves towards one end of the main valve body 10 is defined as the first moving direction, and the direction that the connecting rod moves towards the other end of the main valve body 10 is defined as the second moving direction), and the end of the limiting flange 213 is provided with a chamfer or a fillet 2131 in the first moving direction and/or the second moving direction, so that the connecting rod can conveniently enter the main valve body 10 during assembly.
The switch assembly 2 further includes a fixing member 212, the fixing member 212 includes a first connecting wall 2121 and a second connecting wall 2122, the first connecting wall 2121 is fixedly connected to the position-limiting flange 211, the second connecting wall 2122 is fixedly connected to the connecting rod 21, and at least one reinforcing rib 2123 is further disposed between the first connecting wall 2121 and the second connecting wall 2122. Therefore, the stability of the limiting flange 211 is enhanced, and the limiting flange is prevented from being bent and deformed.
Fig. 12 shows another embodiment, which differs from the above embodiment in that the number of the position-limiting flanges is two, and the two position-limiting flanges are symmetrically distributed at both ends of the connecting rod. This is beneficial to improving the stability and reliability of the switching assembly in the moving process.
It should be noted that: although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications, combinations, or equivalents of the present application, and all technical solutions and modifications which do not depart from the spirit and scope of the present application should be covered by the claims of the present application.
Claims (10)
1. A reversing valve comprises a valve body part and a switching assembly, and is characterized in that the valve body part comprises a main valve body, a containing cavity is arranged in the main valve body, the main valve body is also provided with a first bulge part and a second bulge part, the first bulge part is provided with a limiting groove, the limiting groove is recessed in the inner wall surface corresponding to the containing cavity corresponding to the first bulge part, the main valve body is also provided with a matching surface, the matching surface is one part of the rest part of the inner wall surface corresponding to the containing cavity, and one part of the matching surface is the inner wall surface corresponding to the containing cavity corresponding to the second bulge part; the switching assembly comprises at least one limiting flange, and at least part of the limiting flange is limited in the limiting groove in a slidable mode.
2. A reversing valve according to claim 1, wherein said main valve body is generally tubular; the first boss and the second boss are respectively positioned on two sides of the outer wall of the main valve body, and the first boss and the second boss are approximately symmetrical in position; the thickness of the thinnest part of the first bulge and the second bulge in the radial direction of the main valve body is not smaller than that of the pipe wall of the main valve body.
3. A reversing valve according to claim 2, wherein the main valve body further includes a first connecting passage located in and extending through the first boss, the stop flange being movable between a corresponding inner wall of the first connecting passage nearest the end of the main valve body and the end of the main valve body.
4. The reversing valve according to claim 1, wherein a gap is provided between a wall of the limiting recess opposite to the end of the limiting flange and the end of the limiting flange, and both side walls of the limiting flange abut against both side walls of the limiting recess in a radial direction of the main valve body.
5. A reversing valve according to claim 1, wherein the switching assembly further comprises a connecting rod, a portion of which is stamped to form the position-defining flange; the number of the limiting flanges is two, and the two limiting flanges are symmetrically distributed at two ends of the connecting rod; the limiting flange is of a rectangular plate-shaped structure, one end of the limiting flange is fixedly connected with the connecting rod, and the other end of the limiting flange is matched with the wall corresponding to the limiting groove.
6. The reversing valve of claim 1, wherein the switching assembly further comprises a fixing member that fixedly connects the limiting flange and the connecting rod; the mounting includes first connecting wall and second connecting wall, first connecting wall with limit flange is connected fixedly, the second connecting wall with the connecting rod is connected fixedly, first connecting wall with still be equipped with one at least strengthening rib between the second connecting wall.
7. A reversing valve according to claim 1, wherein the switch assembly has a first direction of movement and a second direction of movement, and the end of the position-defining flange is chamfered or radiused in the first direction of movement and/or the second direction of movement.
8. A reversing valve according to claim 1, wherein the valve body further comprises two sealing members, and the two sealing members are respectively fixed to the two ends of the main valve body in a sealing manner; the sealing component is provided with a first cylinder part and a second cylinder part, the end part of the first cylinder part is fixedly connected and communicated with the end part of the second cylinder part, and the inner diameter of the second cylinder part is larger than that of the first cylinder part; the first cylindrical portion is spaced apart from the main valve body with respect to the second cylindrical portion in the axial direction of the seal member.
9. The reversing valve according to claim 8, wherein the end of the second cylinder portion is further provided with a sealing flange, and the sealing flange is fixedly attached to the end of the main valve body; the sealing component is formed by integral punch forming.
10. The reversing valve according to claim 1, 5, 6 or 7 wherein the switching assembly further comprises a spool member including a spool body and an extending flange, the spool body having a first wall portion and a second wall portion, the first wall portion and the second wall portion being located opposite to each other; the first wall part is matched with the matching part, a communication groove is formed in the first wall part, and the communication groove is communicated with the second connecting channel and the third connecting channel or the second connecting channel and the fourth connecting channel; the extension flange is located the second wall portion, just the second wall portion with still be equipped with joint step portion between the extension flange, extend the flange joint step portion with the case main part is integrative to be set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110900619.8A CN115704493A (en) | 2021-08-06 | 2021-08-06 | Reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110900619.8A CN115704493A (en) | 2021-08-06 | 2021-08-06 | Reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115704493A true CN115704493A (en) | 2023-02-17 |
Family
ID=85179009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110900619.8A Pending CN115704493A (en) | 2021-08-06 | 2021-08-06 | Reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115704493A (en) |
-
2021
- 2021-08-06 CN CN202110900619.8A patent/CN115704493A/en active Pending
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