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CN-116255479-B - Valve core and multi-way valve

CN116255479BCN 116255479 BCN116255479 BCN 116255479BCN-116255479-B

Abstract

The invention provides a valve core and a multi-way valve, wherein the valve core comprises a main body, a plurality of arc ribs and a plurality of arc ribs, wherein the main body is of a columnar structure, a plurality of cavities are distributed on the periphery of the main body, an opening of each cavity faces the outside of the valve core, the arc ribs are arranged on a solid structure on the periphery of the main body side by side, and each arc rib extends along the circumferential direction of the main body. According to the technical scheme provided by the invention, the plurality of arc surfaces formed by the outer edges of the arc ribs form the rotation matching surface along the circumferential direction, the rotation matching surface is bonded with the external rotation limiting surface and rotates in the rotation limiting surface, compared with the condition that the rotation matching surface of the valve core is directly bonded with the rotation limiting surface in the prior art, the contact area between the rotation matching surface formed by the arc ribs and the rotation limiting surface is smaller than the contact area formed between the outer side wall of the main body and the rotation limiting surface, the friction force and the rotation resistance generated between the valve core main body and the rotation limiting surface during rotation are reduced, and the rotation efficiency of the valve core is improved.

Inventors

  • WANG JUNJIE
  • SHA HAIJIAN
  • WANG FUGANG

Assignees

  • 盾安汽车热管理科技有限公司

Dates

Publication Date
20260505
Application Date
20211210

Claims (9)

  1. 1. A valve cartridge, the valve cartridge comprising: The main body (21) is of a columnar structure, a plurality of cavities are distributed on the periphery of the main body (21), and the opening of each cavity faces the outside of the valve core; The arc ribs (22) are arranged on the solid structure of the periphery of the main body (21) side by side, and each arc rib (22) extends along the circumferential direction of the main body (21); The main body (21) comprises a shaft sleeve (271), two circular end plates (272), a plurality of axial baffle plates (273), a plurality of sector baffle plates (274), a first arc plate (281) and a second arc plate (282), wherein the two circular end plates (272) are arranged in parallel and are fixedly connected with the shaft sleeve (271), the two circular end plates (272) and the shaft sleeve (271) are coaxially arranged, the first arc plate (281), the second arc plate (282), the plurality of axial baffle plates (273) and the plurality of sector baffle plates (274) are distributed in a space between the two circular end plates (272), so that the space between the two circular end plates (272) is divided into a plurality of cavities, and the plurality of arc ribs (22) are distributed on the first arc plate (281) and the second arc plate (282); The plurality of cavities comprises a first cavity (211), a second cavity (212), a third cavity (213) and a fourth cavity (214), wherein the first cavity (211) comprises a first main cavity (2111) and a first main cavity (2112) which are communicated with each other, the third cavity (213) comprises a third main cavity (2131) and a third main cavity (2132) which are communicated with each other, the second cavity (212) comprises a second main cavity (2121) and a second main cavity (2122) which are communicated with each other, and the fourth cavity (214) comprises a fourth main cavity (2141) and a fourth main cavity (2142) which are communicated with each other; The main body (21) comprises a first axial region (251), a second axial region (252) and a third axial region (253) which are sequentially arranged in the axial direction, wherein the first main cavity (2111) and the second main cavity (2121) are both positioned in the first axial region (251), the first main cavity (2112), the third main cavity (2131), the fourth main cavity (2141) and the second main cavity (2122) are both positioned in the second axial region (252), and the third main cavity (2132) and the fourth main cavity (2142) are both arranged in the third axial region (253).
  2. 2. The valve cartridge of claim 1, wherein the axes of the first arcuate plate (281) and the second arcuate plate (282) are each coaxially disposed with the sleeve (271), and the plurality of arcuate ribs (22) includes: A plurality of first ribs, which are arranged on the outer side of the first arc plate (281) side by side, and each of which extends along the circumferential direction of the main body (21); The second ribs are arranged on the outer side of the second arc-shaped plate (282) side by side, and each second rib extends along the circumferential direction of the main body (21).
  3. 3. The valve cartridge of claim 1, wherein, The valve core comprises a first sector (261), a second sector (262), a third sector (263), a fourth sector (264), a fifth sector (265), a sixth sector (266), a seventh sector (267) and an eighth sector (268) which are sequentially arranged in the circumferential direction; Wherein the first main cavity (2111) is distributed in the first sector (261) and the second sector (262), the first main cavity (2112) is distributed in the first sector (261) and the second sector (262), the third main cavity (2131) is distributed in the third sector (263) and the fourth sector (264), the third main cavity (2132) is distributed in the second sector (262) and the third sector (263), the second main cavity (2121) is distributed in the seventh sector (267) and the eighth sector (268), the second main cavity (2122) is distributed in the seventh sector (267) and the eighth sector (268), the fourth main cavity (2141) is distributed in the fifth sector (265) and the sixth sector (266), and the fourth main cavity (2142) is distributed in the seventh sector (266) and the seventh sector (267).
  4. 4. The valve cartridge of claim 3, wherein, -The first axial zone (251), the second axial zone (252) and the third axial zone (253) are equal in length in the axial direction of the spool; In the circumferential direction of the spool, the radians of the first sector (261), the second sector (262), the third sector (263), the fourth sector (264), the fifth sector (265), the sixth sector (266), the seventh sector (267), and the eighth sector (268) are equal.
  5. 5. The valve cartridge of claim 1, wherein the valve cartridge further comprises: A rotating shaft (23), wherein a part of the rotating shaft (23) is positioned in the shaft sleeve (271) and the rotating shaft (23) is fixedly connected with the shaft sleeve (271), and one end of the rotating shaft (23) is positioned outside the shaft sleeve (271); and the limiting block (24) is arranged on one circular end plate (272) in a protruding mode, and the limiting block (24) is used for being matched with a limiting structure in the multi-way valve so as to limit the rotation range of the valve core.
  6. 6. A multi-way valve, characterized in that the multi-way valve comprises a main body (10) and a valve core (20) according to any one of claims 1 to 5, the main body (10) is provided with a valve cavity (12) and a plurality of inlets and outlets, and the valve core (20) is rotatably arranged in the valve cavity (12) so as to switch the communication condition of a plurality of the inlets and outlets.
  7. 7. The multiway valve according to claim 6, wherein the body (10) comprises a valve body (14) and a gasket (15), the valve body (14) having the valve chamber (12), the gasket (15) being disposed within the valve chamber (12), a plurality of the ports being disposed within the gasket (15).
  8. 8. The multiway valve according to claim 7, wherein said gasket (15) comprises a third arcuate plate (151), axial ribs (152) and circumferential ribs (153), a plurality of said inlet and outlet openings being distributed on said third arcuate plate (151), a plurality of said axial ribs (152) extending axially of said valve spool (20) and being arranged side by side on a side of said third arcuate plate (151) facing the inner wall of said valve chamber (12), a plurality of said circumferential ribs (153) extending circumferentially of said valve spool (20) and being arranged side by side on a side of said third arcuate plate (151) facing the inner wall of said valve chamber (12).
  9. 9. The multiway valve of claim 8, wherein a spacing between two adjacent circumferential ribs (153) is greater than a spacing between two adjacent axial ribs (152), each of the ports being surrounded by two circumferential ribs (153) and two of the axial ribs (152).

Description

Valve core and multi-way valve Technical Field The invention relates to the technical field of multi-way valves, in particular to a valve core and a multi-way valve. Background At present, the multi-way valve in the prior art mainly realizes multi-way valve multi-way conversion or flow regulation through the rotation of the valve core in the main body part, but the multi-way valve in the prior art takes the five-way valve as an example, the outer side wall of the valve core is a rotation limiting surface, the inner side wall of the main body part is a rotation limiting surface, the outer side wall of the valve core is in limit fit with the inner side wall of the main body part, the joint area of the outer side wall of the valve core and the inner side wall of the main body part, namely the contact area between the rotation limiting surface and the rotation limiting surface is large, so that the friction force between the valve core and the main body part is large, the rotation resistance of the valve core is increased, and the rotation efficiency is influenced. Disclosure of Invention The invention provides a valve core and a multi-way valve, which are used for solving the problem of high valve core rotation resistance in the prior art. In order to solve the problems, according to one aspect of the invention, the valve core comprises a main body, a plurality of cavities and a plurality of arc ribs, wherein the main body is of a columnar structure, the periphery of the main body is provided with the cavities, the opening of each cavity faces the outside of the valve core, the arc ribs are arranged on the solid structure of the periphery of the main body side by side, and each arc rib extends along the circumferential direction of the main body. Further, the main body comprises a shaft sleeve, two circular end plates, a plurality of axial partition plates, a plurality of fan-shaped partition plates, a first arc plate and a second arc plate, wherein the two circular end plates are arranged in parallel and are fixedly connected with the shaft sleeve, the two circular end plates and the shaft sleeve are coaxially arranged, the first arc plate, the second arc plate, the plurality of axial partition plates and the plurality of fan-shaped partition plates are distributed in a space between the two circular end plates, so that a plurality of cavities are divided in the space between the two circular end plates, and a plurality of arc ribs are distributed on the first arc plate and the second arc plate. Further, the axes of the first arc-shaped plate and the second arc-shaped plate are coaxially arranged with the shaft sleeve, the plurality of arc-shaped ribs comprise a plurality of first ribs, the plurality of first ribs are arranged on the outer side of the first arc-shaped plate side by side, each first rib extends along the circumferential direction of the main body, the plurality of second ribs are arranged on the outer side of the second arc-shaped plate side by side, and each second rib extends along the circumferential direction of the main body. Further, the plurality of cavities comprise a first cavity, a second cavity, a third cavity and a fourth cavity, wherein the first cavity comprises a first main cavity and a first main cavity which are communicated with each other, the third cavity comprises a third main cavity and a third main cavity which are communicated with each other, the second cavity comprises a second main cavity and a second main cavity which are communicated with each other, the fourth cavity comprises a fourth main cavity and a fourth main cavity which are communicated with each other, the main body comprises a first axial area, a second axial area and a third axial area which are sequentially arranged in the axial direction, the first main cavity and the second main cavity are all located in the first axial area, the first main cavity, the third main cavity, the fourth main cavity and the second main cavity are all located in the second axial area, and the third main cavity and the fourth main cavity are all located in the third axial area. Further, the valve core comprises a first sector, a second sector, a third sector, a fourth sector, a fifth sector, a sixth sector, a seventh sector and an eighth sector which are sequentially arranged in the circumferential direction, wherein a first main cavity is distributed in the first sector and the second sector, a third main cavity is distributed in the third sector and the fourth sector, a third main cavity is distributed in the second sector and the third sector, a second main cavity is distributed in the seventh sector and the eighth sector, a fourth main cavity is distributed in the fifth sector and the sixth sector, and a fourth main cavity is distributed in the sixth sector and the seventh sector. Further, the lengths of the first axial region, the second axial region and the third axial region are equal in the axial direction of the val