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CN-122014856-A - Valve device and method for manufacturing the same

CN122014856ACN 122014856 ACN122014856 ACN 122014856ACN-122014856-A

Abstract

The application discloses a valve device, which comprises a valve component and a valve body component, wherein the valve component comprises a valve core component and a valve seat, the valve seat is provided with an assembling cavity, the valve core component is at least partially positioned in the assembling cavity, and the valve core component is connected with the valve seat. The valve body part has the installation cavity, and the disk seat is located the installation cavity at least partially, and the valve body part includes the fixed part, and the disk seat includes the connecting portion, and the fixed part has the fixed slot, and the connecting portion is located the fixed slot at least partially, and connecting portion and the cell wall welded fastening of fixed slot. In the application, the valve body part comprises the fixing part, the valve seat comprises the connecting part, the fixing part is provided with the fixing groove, the connecting part is at least partially positioned in the fixing groove, and the connecting part is welded and fixed with the groove wall of the fixing groove, so that the sealing and the fixed connection of the valve body part and the valve seat are realized, the groove wall of the fixing groove has a embedding effect on the connecting part, and compared with the threaded connection, the connecting stability and the sealing performance are better.

Inventors

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  • Request for anonymity

Assignees

  • 浙江三花智能控制股份有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (10)

  1. 1. A valve device, characterized by comprising a valve member (20) and a valve body member (30), the valve member (20) comprising a valve body assembly (21) and a valve seat (22), the valve seat (22) having an assembly cavity (221), the valve body assembly (21) being at least partially located in the assembly cavity (221), the valve body assembly (21) being connected to the valve seat (22); The valve body part (30) is provided with a mounting cavity (31), the valve seat (22) is at least partially positioned in the mounting cavity (31), the valve body part (30) comprises a fixing part (32), the valve seat (22) comprises a connecting part (222), the fixing part (32) is provided with a fixing groove (321), the connecting part (222) is at least partially positioned in the fixing groove (321), and the connecting part (222) is fixedly welded with the groove wall of the fixing groove (321).
  2. 2. The valve device according to claim 1, wherein the valve body member (30) includes a main body portion (34), the main body portion (34) and the fixing portion (32) are integrally formed, the fixing portion (32) protrudes from the main body portion (34) in a direction approaching the connecting portion (222), and a cross section of the fixing portion (32) is pincerlike; The valve seat (22) comprises a body part (223), wherein the body part (223) and the connecting part (222) are of an integrated structure, and the connecting part (222) protrudes from the body part (223) to a direction approaching the fixing part (32); the connecting portion (222) and the fixing portion (32) are fixed by laser welding.
  3. 3. The valve device according to claim 2, wherein the main body portion (34) comprises a first inner side wall (341), the main body portion (223) comprises a first outer side wall (2231), the first inner side wall (341) abuts the first outer side wall (2231), and the first inner side wall (341) is in an interference fit with the first outer side wall (2231).
  4. 4. A valve device according to claim 3, wherein the main body portion (34) includes a first step portion (342), the main body portion (223) includes a second step portion (2232), the first step portion (342) is annular, the second step portion (2232) is annular, and the first step portion (342) abuts against the second step portion (2232) in the axial direction of the valve device.
  5. 5. A valve device according to any one of claims 1 to 4, wherein the melting point of the valve seat (22) is greater than the melting point of the valve body member (30), the valve seat (22) is made of stainless steel, the valve body member (30) is made of aluminum alloy, the valve seat (22) is of unitary construction, and the valve body member (30) is of unitary construction.
  6. 6. Valve device according to any of claims 1 to 4, characterized in that the valve device comprises a drive member (10), the drive member (10) being electrically and/or signally connected to the valve member (20), the drive member (10) comprising an outer housing (11), the outer housing (11) having a housing cavity (111), the valve member (20) being at least partly located in the housing cavity (111), the valve body member (30) being fixedly connected to the outer housing (11); The valve component (20) comprises a rotor component (23), a screw rod (24) and a sleeve (25), wherein the sleeve (25) is sleeved on the periphery of the rotor component (23), the driving component (10) can drive the rotor component (23) to rotate relative to the sleeve (25), one end of the screw rod (24) is fixedly connected with the rotor component (23), and the other end of the screw rod (24) is connected with the valve core component (21).
  7. 7. Valve device according to claim 6, wherein the drive member (10) comprises a stator assembly (12) and a circuit board (13), the stator assembly (12) and the circuit board (13) being located in the housing cavity (111), the stator assembly (12) being electrically and/or signally connected to the circuit board (13), the stator assembly (12) being fitted around the outer circumference of the sleeve (25), the stator assembly (12) being fixedly or limitedly connected to the outer housing (11); The valve core assembly (21) comprises a valve core piece (211) and a valve core seat (212), the valve core seat (212) is fixedly connected with the valve seat (22), or is in limiting connection or is of an integrated structure, the screw rod (24) is in threaded connection with the valve core piece (211), and the valve body part (30) is fixedly connected with the outer shell (11) through a bolt; the valve core seat (212) is provided with a valve port (2121), and the valve core piece (211) can adjust the opening of the valve port (2121).
  8. 8. A method of manufacturing a valve device, comprising the steps of: Providing a valve seat (22) and a valve body component (30), wherein the valve body component (30) is provided with a mounting cavity (31), the valve seat (22) is assembled to the mounting cavity (31), and the valve body component (30) is in limit fit with the valve seat (22); The valve body component (30) comprises a first fixing part (33), the valve seat (22) comprises a connecting part (222), a filling area is arranged between the first fixing part (33) and the connecting part (222), and solder is provided to fill the filling area with the solder; And (3) performing laser welding on the first fixing part (33) and the connecting part (222), and cooling and solidifying to form a fixing part (32) after melting the solder and part of the first fixing part (33) by laser, wherein the fixing part (32) is provided with a fixing groove (321), the connecting part (222) is at least partially positioned in the fixing groove (321), and the connecting part (222) and the groove wall of the fixing groove (321) are welded and fixed.
  9. 9. The method of manufacturing a valve device according to claim 8, wherein before the first fixing portion (33) and the connecting portion (222) are laser welded, the connecting portion (222) includes a first side wall (2221) and a second side wall (2222), the first fixing portion (33) includes a third side wall (331), a gap is provided between the first side wall (2221) and the third side wall (331), and a gap is provided between the second side wall (2222) and the third side wall (331); defining the minimum distance between the second side wall (2222) and the third side wall (331) as S, wherein the value range of S is more than or equal to 0.4mm and less than or equal to 1.2mm; Defining an included angle alpha between the first side wall (2221) and the axial direction of the valve device, wherein the value range of alpha is 30 degrees less than or equal to alpha less than or equal to 60 degrees; defining the height of the first side wall (2221) as H1, wherein the value range of H1 is 1 mm-5 mm; defining the height of the second side wall (2222) as H2, wherein the value range of H2 is that H2 is more than or equal to 0mm and less than or equal to 1mm; the height of the third side wall (331) is defined as H3, wherein the value range of H3 is 1 mm-5 mm.
  10. 10. A method of manufacturing a valve device according to claim 9, wherein fitting the valve seat (22) to the mounting cavity (31), the valve body member (30) being in positive engagement with the valve seat (22) comprises the steps of: the valve body component (30) comprises a first inner side wall (341) and a first step part (342), the valve seat (22) comprises a first outer side wall (2231) and a second step part (2232), the first inner side wall (341) is abutted with the first outer side wall (2231), and the first inner side wall (341) is in interference fit with the first outer side wall (2231); the first step (342) abuts against the second step (2232) in the axial direction of the valve device.

Description

Valve device and method for manufacturing the same Technical Field The application relates to the technical field of fluid control, in particular to a valve device for a vehicle and a manufacturing method thereof. Background In the related art, a valve device includes a valve member including a valve body member and a valve seat having an assembly chamber, and a valve element member at least partially disposed in the assembly chamber, the valve element member being coupled to the valve seat. The valve body part is provided with the mounting cavity, the valve seat is at least partially positioned in the mounting cavity, the valve body part and the valve seat are usually in threaded connection, however, fluid leakage is easy to occur in the threaded connection, therefore, a sealing element is arranged between the valve body part and the valve seat, the connection tightness of the valve body part and the valve seat is improved, the connection mode of the valve body part and the valve seat is relatively complex, and the connection stability is poor. Disclosure of Invention In view of the above-described problems of the related art, the present application provides a valve device and a method of manufacturing the same, which aim to improve the sealability and stability of the connection of a valve body member and a valve seat. In order to achieve the above purpose, the present application adopts the following technical scheme: A valve apparatus comprising a valve member and a valve body member, the valve member comprising a valve cartridge assembly and a valve seat, the valve seat having an assembly cavity, the valve cartridge assembly being at least partially located in the assembly cavity, the valve cartridge assembly being connected to the valve seat; the valve body part has the installation cavity, the disk seat is located at least partly the installation cavity, the valve body part includes fixed part, the disk seat includes connecting portion, the fixed part has the fixed slot, connecting portion are located at least partly the fixed slot, connecting portion with the cell wall welded fastening of fixed slot. In the application, the valve body part comprises the fixing part, the valve seat comprises the connecting part, the fixing part is provided with the fixing groove, the connecting part is at least partially positioned in the fixing groove, and the connecting part is welded and fixed with the groove wall of the fixing groove, so that the sealing and the fixed connection of the valve body part and the valve seat are realized, the groove wall of the fixing groove has a embedding effect on the connecting part, and compared with the threaded connection, the connecting stability and the sealing performance are better. In order to achieve the above purpose, the present application also adopts the following technical scheme: a method of manufacturing a valve device, comprising the steps of: Providing a valve seat and a valve body part, wherein the valve body part is provided with a mounting cavity, the valve seat is assembled to the mounting cavity, and the valve body part is in limit fit with the valve seat; The valve body component comprises a first fixing part, the valve seat comprises a connecting part, a filling area is arranged between the first fixing part and the connecting part, solder is provided, and the solder is filled in the filling area; And carrying out laser welding on the first fixing part and the connecting part, and cooling and solidifying to form a fixing part after melting the solder and part of the first fixing part by laser, wherein the fixing part is provided with a fixing groove, the connecting part is at least partially positioned in the fixing groove, and the connecting part is welded and fixed with the groove wall of the fixing groove. In the application, the valve body part comprises a first fixing part, the valve seat comprises a connecting part, the first fixing part and the connecting part are subjected to laser welding, and after welding flux and part of the first fixing part are melted by laser, the fixing part is cooled and solidified to form a fixing part, wherein the fixing part is provided with a fixing groove, and the connecting part is at least partially positioned in the fixing groove, and the connecting part is welded and fixed with the groove wall of the fixing groove, so that the sealing and the fixed connection of the valve body part and the valve seat are realized, the groove wall of the fixing groove has a embedding effect on the connecting part, and compared with the threaded connection, the connecting stability and the sealing performance are better. Drawings FIG. 1 is a schematic perspective view of a valve device of the present application; FIG. 2 is a schematic cross-sectional view of the valve apparatus shown in FIG. 1; FIG. 3 is a schematic cross-sectional view of the valve device shown in FIG. 1 and a partial enlarged view thereof; FIG. 4 is a schematic p