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CN-116261637-B - Control valve

CN116261637BCN 116261637 BCN116261637 BCN 116261637BCN-116261637-B

Abstract

The utility model discloses a control valve (200), it includes sealing member (40), sealing member is including elastic pad (41) and sealing member (42) that are integrated into one piece structure, control valve has and restrains the portion of changeing, restrained the portion of changeing and the internal surface integrated into one piece or fixed connection or spacing connection of valve body part (10), restrained the portion of changeing and sealing member cooperation, can prevent that the elastic pad from rotating relative lateral wall portion (12), prevent that sealing member is relative to the removal between the lateral wall portion, the structure is comparatively simple, it is also comparatively convenient to install.

Inventors

  • Request for anonymity

Assignees

  • 杭州奥科美瑞科技有限公司

Dates

Publication Date
20260505
Application Date
20210926
Priority Date
20210118

Claims (10)

  1. 1. The control valve comprises a valve body part and a valve core part, wherein the control valve is provided with a valve cavity, the valve core part is at least mostly positioned in the valve cavity and can rotate under the drive, the valve body part comprises a side wall part, the side wall part is a peripheral wall of the valve cavity or is at least a part of the peripheral wall, and the valve body part is provided with a communication port, and the control valve is characterized by also comprising a sealing part, the sealing part is positioned between the side wall part and the valve core part, the sealing part comprises an elastic pad and a sealing part, the elastic pad and the sealing part are fixed to form an integral structure, the elastic pad is positioned between the sealing part and the side wall part of the valve body part, the sealing part is contacted with the valve core part, the surface of the sealing part contacted with the valve core part is smoother than the surface of the elastic pad contacted with the side wall part, and the rotation inhibiting part is integrally formed with or fixedly connected with or limitedly connected with the inner surface of the valve body part, and the rotation inhibiting part and the sealing part can rotate anticlockwise relatively to the valve body part; the sealing member comprises a flanging part and a matching part, the matching part faces the valve core part, the matching part is in sliding fit with the valve core part, the elastic pad is provided with a first through hole, the first through hole is communicated with the communication port, the sealing member is further provided with a second through hole, the second through hole is communicated with the communication port through the first through hole, the flanging part is formed with the second through hole, and at least one part of the flanging part stretches into the first through hole and is fixedly bonded with the inner wall of the first through hole.
  2. 2. The control valve of claim 1, wherein the seal is fixedly coupled to the resilient pad, and wherein the cuff has a height that is less than a length of the first through hole.
  3. 3. The control valve according to claim 2, wherein the seal member includes at least two limiting portions on both sides of the seal member, the limiting portions having an outwardly protruding structure or an outwardly turned structure, the limiting portions being on both sides of the elastic pad and having a height smaller than a thickness of both sides of the elastic pad, the valve body member having a stopper portion protruding from the side wall portion and extending into the valve chamber, the limiting portions being in contact with side surfaces of the stopper portion.
  4. 4. The control valve according to claim 3, wherein the seal further includes a connecting portion between the burring portion and the mating portion, the connecting portion smoothly connecting the burring portion and the mating portion, and a connecting portion of the connecting portion and the mating portion gradually increases in diameter in a direction toward the spool member.
  5. 5. A control valve according to any one of claims 1 to 4 wherein the resilient pad has an axially extending first recess and the valve body member has a rib projecting from the side wall portion, the rib projecting into the first recess, the rib projecting from the side wall portion to a height less than the depth of the first recess.
  6. 6. The control valve of claim 5, wherein the resilient pad has a first through hole, the first grooves extend from one end of the resilient pad to the other end of the resilient pad in a longitudinal direction of the resilient pad, the number of the first grooves is plural, the first grooves are distributed on both sides of the first through hole, and the ribs are interference fit with the first grooves.
  7. 7. The control valve of claim 6, wherein the valve body member further includes a bottom wall and a boss portion, the bottom wall and the side wall portion are integrally formed, the boss portion protrudes from the bottom wall and extends toward the valve chamber, the boss portion includes a blocking portion and a first support portion, the blocking portion protrudes from the first support portion by a set distance, the first support portion is located between the rib and the blocking portion, the rib is connected to the first support portion, a limit space is formed between the blocking portion and the rib, one end of the sealing member is located in the limit space, and the sealing member abuts against the first support portion.
  8. 8. The control valve of claim 6, wherein the valve body member further comprises a bottom wall and a cover fixedly connected to the side wall portion, the valve body member further comprises a first spool support portion protruding from the bottom wall, the cover comprises a second spool support portion protruding from an end surface of the cover, a portion of the spool member extends into the first spool support portion, another portion of the spool member extends into the second spool support portion, and the spool member is rotatably supported by the first spool support portion and the second spool support portion.
  9. 9. A control valve according to any one of claims 1 to 8, wherein the resilient pad is formed of a rubber material, the valve body member is formed of an aluminum material or a plastic material by injection molding, the valve core member is formed of a plastic material by injection molding, the seal member is formed of teflon, and the resilient pad is fixed to the seal member by adhesion.
  10. 10. The control valve of claim 9, wherein the resilient pad has a first groove extending axially and a second groove disposed circumferentially, the second groove being located on at least one side of the resilient pad, the first groove being in communication with the second groove.

Description

Control valve The present application claims priority from the chinese patent office, application number 202110065261.1, chinese patent application entitled "a control valve" filed 18, 2021, 01, the entire contents of which are incorporated herein by reference. Technical Field The invention relates to the field of fluid control, in particular to a control valve. Background Some systems require multiple control valves to control the flow path, such as in motor vehicles, and it is currently possible to use multiple control valves, in which a split seal and spring pad are used to achieve sealing and sliding engagement with the valve element. Disclosure of Invention In order to provide a control valve, the invention provides the following technical scheme: The control valve comprises a valve body part and a valve core part, wherein the control valve is provided with a valve cavity, the valve core part is at least mostly positioned in the valve cavity, the valve core part can rotate under the driving of the valve core part, the valve body part comprises a side wall part, the side wall part is a peripheral wall of the valve cavity or is at least a part of the peripheral wall, the valve body part is provided with a communication port, the control valve further comprises a sealing part, the sealing part is positioned between the side wall part and the valve core part, the sealing part comprises an elastic pad and a sealing part, the elastic pad and the sealing part are fixed to form an integral structure, the elastic pad is positioned between the sealing part and the side wall part of the valve body part, the sealing part is contacted with the valve core part, the surface of the sealing part contacted with the valve core part is smoother than the surface of the elastic pad contacted with the side wall part, the rotation inhibiting part is integrally formed with or fixedly connected with the inner surface of the sealing part or is in a limiting mode, and the rotation inhibiting part and the sealing part can rotate clockwise or anticlockwise relative to the valve body part. The sealing part of the control valve comprises an elastic pad and a sealing part which are in an integral structure, the surface of the sealing part contacted with the valve core part is smoother than the surface of the elastic pad contacted with the side wall part, the control valve is provided with a rotation inhibiting part, the rotation inhibiting part is integrally formed with the inner surface of the valve body part or fixedly connected or in limit connection, the rotation inhibiting part is matched with the sealing part, the clockwise rotation or anticlockwise rotation of the sealing part relative to the valve body part can be limited, the elastic pad can be prevented from rotating relative to the side wall part, the sealing part is prevented from moving relative to the side wall part, the structure is simpler, and the installation is also convenient. Drawings FIG. 1 is a schematic illustration of an exploded construction of a control valve of the present application; Fig. 2 is a schematic perspective view of a sealing member according to a first embodiment of the present application; FIG. 3 is a schematic perspective view of a valve body member according to a first embodiment of the present application; FIG. 4 is a schematic view in partial cross-section of the valve body component of FIG. 3; FIG. 5 is a schematic view of a partial enlarged structure at I in FIG. 4; FIG. 6 is a schematic view of a partial cross-sectional structure of the seal member of FIG. 2; fig. 7 is a schematic perspective view of a sealing member according to a second embodiment of the present application; FIG. 8 is a schematic perspective view of a valve body member according to a second embodiment of the present application; Fig. 9 is a schematic perspective view of a cover of the control valve of the present application. Detailed Description In the following description of the embodiments, as shown in fig. 1 to 5, the control valve 200 includes a valve body part 10, a valve core part 20, a driving box 30, and a sealing part 40, the control valve has a valve cavity 102, the valve core part 20 can rotate under the driving of a driving element in the driving box, for example, the driving element can be a motor or a motor and a reduction gear set, and the valve body part 10 includes a side wall part 12 and a cover 50, and the side wall part 12 is fixedly connected with the cover 50. The side wall 12 is a peripheral wall of the valve chamber or at least a part of the peripheral wall, and the valve body member 10 has the communication holes 101, and the number of the communication holes 101 may be plural, for example, in the present embodiment, 5 communication holes 101 may be plural, or may be larger or smaller than 5. The sealing part 40 is positioned between the side wall part 12 and the valve core part 20, the sealing part 40 comprises an elastic pad 41 and a sealin