Disc valve

Abstract

The utility model discloses a disc valve which comprises a valve shell assembly, a support assembly and a power assembly. The valve shell assembly comprises a valve element assembly and a shell, at least part of the valve element assembly is contained in the shell, and the valve element assembly comprises a first disc, a second disc and a rotating shaft. The shell is provided with a mounting opening, a flow dividing cavity, a valve element cavity, at least one fluid inlet and at least two fluid outlets, the flow dividing cavity is divided into a first fluid channel and a second fluid channel, the fluid inlet is communicated with the valve element cavity, the at least one fluid outlet is communicated with the first fluid channel, and the at least one fluid outlet is communicated with the second fluid channel; the mounting opening is communicated with the valve element cavity, a first disc and a second disc are sequentially arranged at the end, close to the flow dividing cavity, of the valve element cavity, one end of an integrally-designed rotating shaft is mounted on the second disc, the other end of the rotating shaft is fixedly connected with the power assembly, and the support assembly is fixedly mounted on the mounting opening in a sealed mode. The disc valve is compact in structure, small in number of parts and good in sealing performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc valve field especially relates to a disc valve. BACKGROUND

[0002] At present, disc valves have been applied in automobile cooling liquid systems in batches, and the basic operating principle is to control the on-off flow proportion adjustment of the cooling system pipeline.

[0003] The current disc valve design, due to the fluid flow direction inside the disc valve body is roughly parallel to the valve body direction, and limited by the limited space of the automobile, the valve body volume is required to be as small as possible; at the same time, when the disc valve works, the fluid flowing will produce pressure, so it is necessary to improve the sealing performance of the disc valve. In the existing disc valve technology, in order to realize the connection between the control part and the valve piece, the transmission part, the adapter and the limiting part are designed, and the number of parts is large. The first transmission part and the second transmission part are provided on the transmission part, and the structure characteristics are complex; in addition, the control part includes a limiting recess corresponding to the limiting part, and the limiting part is designed to extend along the axial direction of the valve body, which leads to the increase of the volume of the valve body. And in the prior art, the sealing mode of the valve is not designed and explained, and the sealing effect needs to be considered.

[0004] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical scheme. INVENTION CONTENTS

[0005] In order to solve at least one of the technical problems existing in the prior art, the utility model provides a disc valve with compact structure, less parts and good sealing performance. The specific technical scheme is as follows:

[0006] The utility model provides a disc valve, including valve shell subassembly, support subassembly and power component,

[0007] The valve shell subassembly includes a valve core subassembly and a shell, at least part of the valve core subassembly is contained in the shell, the valve core subassembly includes a first disc, a second disc and a rotating shaft, the shell is provided with a mounting port, a shunt cavity, a valve core cavity, at least one fluid inlet and at least two fluid outlets, the shunt cavity is divided into a first fluid channel and a second fluid channel, the first fluid channel and the second fluid channel are communicated with the valve core cavity, the fluid inlet is arranged on the shell corresponding to the valve core cavity and communicated with the valve core cavity, at least one fluid outlet is arranged on the shell corresponding to the first fluid channel and communicated with the first fluid channel, at least one fluid outlet is arranged on the shell corresponding to the second fluid channel and communicated with the second fluid channel, the mounting port is communicated with the valve core cavity,

[0008] The first disc is fixedly and sealingly installed at one end of the valve core cavity close to the shunt cavity, the second disc is located at one side of the first disc away from the shunt cavity, the rotating shaft is integrally designed, one end of the rotating shaft is installed on the second disc, the second disc is configured to rotate together with the rotating shaft, and the other end of the rotating shaft extends from the installation opening and is fixedly connected with the power assembly.

[0009] The bracket assembly is fixedly and sealingly installed on the installation opening.

[0010] As a preferred scheme of the disc valve, the rotating shaft is integrally designed with a spline, a light column, a shaft stop position, a cylinder and an assembly column along the length direction;

[0011] The second disc is provided with an assembly groove matched with the assembly column at one side close to the rotating shaft, and the assembly column is contained in the assembly groove;

[0012] The bracket assembly is provided with a through hole, the spline is fixedly connected with the power assembly through the through hole, the light column is sealingly contained in the through hole, and one side of the shaft stop position close to the light column is in abutment with the surface of the bracket assembly.

[0013] As a preferred scheme of the disc valve, the bracket assembly is further provided with an installation end, and the through hole is located on the installation end;

[0014] One side of the shaft stop position close to the light column is in abutment with the end face of the installation end,

[0015] A limiting protrusion is arranged on the shaft stop position, a stop block is arranged on the end face of the installation end, and the limiting protrusion and the stop block are matched to limit the rotation angle of the rotating shaft.

[0016] As a preferred scheme of the disc valve, the light column is sequentially sleeved with a first sealing element, a supporting ring and a second sealing element, and the light column and the through hole are sealingly installed through the first sealing element and the second sealing element.

[0017] As a preferred scheme of the disc valve, the installation end is provided with an annular sealing groove on the circumferential surface, a sealing ring is contained in the annular sealing groove, and the installation end is sealingly arranged through the sealing ring.

[0018] As a preferred scheme of the disc valve, the valve core assembly further comprises a spring, the spring is sleeved on the cylinder, one end of the spring is in abutment with the second disc, and the other end of the spring is in abutment with one side of the shaft stop position close to the cylinder.

[0019] As a preferred scheme of the disc valve, the first disc is provided with a sealing gasket at one side close to the shunt cavity.

[0020] The first disc piece comprises a solid part and a gap left by the solid part, the solid part is in a fan shape, an inner included angle of the solid part is greater than 180 degrees, a first opening and a second opening are formed in the solid part, a disc stopper is arranged at one end of the valve core cavity close to the shunt cavity, the gap of the first disc piece is installed on the disc stopper, the first opening is in communication with the first fluid channel in correspondence, and the second opening is in communication with the second fluid channel in correspondence.

[0021] The shape of the sealing gasket corresponds to the first disc piece, and the first disc piece is in contact with the sealing gasket.

[0022] As a preferred scheme of the disc valve, the second disc piece is provided with a fan-shaped solid part, an inner included angle of the fan-shaped solid part is greater than 180 degrees, and the second disc piece is located on the side, away from the shunt cavity, of the first disc piece.

[0023] The fan-shaped solid part of the second disc piece can be driven to rotate to overlap the first opening of the first disc piece, overlap the second opening of the first disc piece, or partially overlap the first opening and the second opening respectively.

[0024] As a preferred scheme of the disc valve, the housing is further provided with a fluid pipe, the fluid inlet and / or the fluid outlet are formed in the fluid pipe, and the fluid pipe at least comprises a first fluid pipe, a second fluid pipe and a third fluid pipe.

[0025] At least one fluid inlet is formed in the first fluid pipe, the first fluid pipe is located on the side, away from the first disc piece, of the second disc piece, one fluid outlet is formed in the second fluid pipe, the second fluid pipe is in communication with the first fluid channel, and another fluid outlet is formed in the third fluid pipe, and the third fluid pipe is in communication with the second fluid channel.

[0026] As a preferred scheme of the disc valve, the second fluid pipe is further provided with a fluid branch pipe, and the fluid branch pipe and the second fluid pipe are both in communication with the first fluid channel.

[0027] As a preferred scheme of the disc valve, the pipe openings of the fluid branch pipe and the third fluid pipe are consistent in direction, or the pipe openings of the fluid branch pipe and the third fluid pipe are both different from the direction of the first fluid pipe.

[0028] As a preferred scheme of the disc valve, the pipe opening end of the fluid branch pipe is provided with a protruding ring, and a pipe opening sealing ring is sleeved on the protruding ring.

[0029] As a preferred scheme of the disc valve, an annular groove is formed in the end face of the pipe opening end of the third fluid pipe, the annular groove is arranged around the periphery of the pipe opening of the third fluid pipe, and a pipe opening annular sealing gasket is arranged in the annular groove.

[0030] As a preferred scheme of the disc valve, the shell is provided with a mounting member, a mounting through hole is formed in the mounting member, and a metal bushing is arranged in the mounting through hole.

[0031] Compared with the prior art, the technical scheme of the disc valve has at least one or more beneficial effects as follows:

[0032] The disc valve simplifies the number and structure of valve body assembly parts, makes the internal structure of the disc valve compact, and improves the strength of the parts. The spring is arranged, flexible assembly is realized between the rotating shaft and the second disc, and the precision requirement for machining of the size of the parts is reduced. The sealing groove is arranged in the shell, the annular sealing groove is arranged on the support, and the double sealing member + support ring is assembled on the rotating shaft, so that the sealing performance of the disc valve is improved, and safe sealing of each part of the disc valve is realized.

[0033] The limiting protrusion cooperates with the stop block to limit the rotation angle of the rotating shaft.

[0034] The limiting groove and the limiting column are arranged to position the shell and the support assembly against rotation.

[0035] The spring is arranged, under the elastic force of the spring, the second disc is pushed to contact the first disc, so that the sealing gasket is compressed to generate a sealing effect. The clamping protrusion is arranged to limit the spring from falling off.

[0036] The first sealing member and the second sealing member are used to seal the gap between the rotating shaft and the support assembly, and the support ring plays a supporting role.

[0037] The sealing gasket is used for sealing the inside of the shell and the first gasket, preventing the fluid in the first opening from leaking into the second fluid passage or the fluid in the second opening from leaking into the first fluid passage.

[0038] Additional aspects and advantages of the present application will be described in part in the description that follows, and will become apparent in the description that follows, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description.

[0040] Figure 1 is a schematic diagram of the three-dimensional structure of the disc valve of the present application;

[0041] Figure 2 is a schematic diagram of the exploded structure of the disc valve of the present application;

[0042] Figure 3 is a bottom view of the housing of the present patent;

[0043] Figure 4 is a perspective view of the gasket of the present patent;

[0044] Figure 5 is a perspective view of the first disc of the present patent;

[0045] Figure 6 is a perspective view of the second disc of the present patent;

[0046] Figure 7 is a perspective view of the rotating shaft of the present patent;

[0047] Figure 8 is a perspective view of the bracket assembly of the present patent;

[0048] Figure 9 is a sectional view of a first adjustment mode of the second disc in the valve housing assembly of the present patent;

[0049] Figure 10 is a sectional view of a second adjustment mode of the second disc in the valve housing assembly of the present patent;

[0050] Figure 11 is a sectional view of a third adjustment mode of the second disc in the valve housing assembly of the present patent.

[0051] 1-valve housing assembly, 2-bracket assembly, 3-power assembly, 10-valve core assembly, 11-housing, 110-mounting port, 111-shunt cavity, 1111-sealing groove, 112-valve core cavity, 1121-disk stopper, 113-fluid inlet, 114-fluid outlet, 115-first fluid channel, 116-second fluid channel, 117-housing fixing column, 118-housing screw, 101-first fluid pipe, 102-second fluid pipe, 103-third fluid pipe, 104-fluid branch pipe, 105-protruding ring, 106-pipe port sealing ring, 107-annular groove, 108-pipe port annular sealing gasket, 12-sealing gasket, 121-sealing gasket solid part, 122-first gasket opening, 123-second gasket opening, 13-first disk, 131-solid part, 132-gap, 133-first opening, 134-second opening, 14-second disk, 141-fitting groove, 15-spring, 16-rotating shaft, 161-spline, 162-light column, 1621-first sealing element, 1622-supporting ring, 1623-second sealing element, 163-shaft stop position, 164-cylinder, 1641-claw, 165-fitting column, 166-limiting protruding block, 17-limiting groove, 19-mounting member, 191-mounting through hole, 192-bushing, 193-first mounting member, 194-second mounting member, 195-third mounting member, 21-through hole, 22-mounting end, 220-end surface, 221-stopper, 222-annular sealing groove, 223-sealing ring, 23-bracket mounting hole, 24-limiting column, 25-bracket screw column, 31-power assembly mounting hole, 32-power assembly screw. DETAILED DESCRIPTION

[0052] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0053] In the description of the utility model, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0054] In the description of the utility model, unless otherwise expressly specified and limited, the terms "provided with", "provided with", "connected", "installed with", "sleeved", "opened", "fixed" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0055] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model.

[0056] Please refer to Figures 1-11 . As Figures 1-11 shown, the utility model provides a disc valve, including valve shell assembly 1, support assembly 2 and power assembly 3;

[0057] Valve shell assembly 1 includes shell body 11 and valve core assembly 10 at least partially contained in shell body 11;Valve core assembly 10 includes first disc 13, second disc 14 and rotating shaft 16;Shell body 11 is provided with installation port 110, shunt cavity 111, valve core cavity 112, at least one fluid inlet 113 and at least two fluid outlets 114, shunt cavity 111 is divided into first fluid passage 115 and second fluid passage 116, first fluid passage 115 and second fluid passage 116 are all communicated with valve core cavity 112, fluid inlet 113 is provided on the shell body 11 corresponding to valve core cavity 112 and is communicated with valve core cavity 112, at least one fluid outlet 114 is provided on the shell body 11 corresponding to first fluid passage 115 and is communicated with first fluid passage 115, at least one fluid outlet 114 is provided on the shell body 11 corresponding to second fluid passage 116 and is communicated with second fluid passage 116, installation port 110 is communicated with valve core cavity 112,

[0058] The first disc 13 is sealingly and fixedly installed at one end of the spool cavity 112 close to the shunt cavity 111, the second disc 14 is located at the side of the first disc 13 away from the shunt cavity 111, the rotating shaft 16 is integrally designed, one end of the rotating shaft 16 is installed on the second disc 14, the second disc 14 is configured to rotate with the rotating shaft 16, the other end of the rotating shaft 16 extends from the installation opening 110 and is fixedly connected with the power assembly 3.

[0059] The bracket assembly 2 is sealingly and fixedly installed on the installation opening 110.

[0060] The disc valve of the patent simplifies the number of valve body assembly parts and structure, makes the internal structure of the disc valve compact, and improves the strength of the parts. The flexible assembly is realized by setting the spring and the cooperation between the rotating shaft and the second disc, and the precision requirement of the size processing of the parts is reduced. The sealing performance of the disc valve is improved by setting the sealing groove in the shell, setting the annular sealing groove on the bracket, and assembling the double sealing element + support ring on the rotating shaft, and the safe sealing of each part of the disc valve is realized.

[0061] In the preferred embodiment, as shown in Figure 2 and Figure 7 , the rotating shaft 16 is integrally designed with the spline 161, the light column 162, the shaft stop position 163, the cylinder 164 and the assembly column 165 along the length direction;

[0062] The second disc 14 is provided with an assembly groove 141 close to the side of the rotating shaft 16, and the assembly column 165 is accommodated in the assembly groove 141;

[0063] The bracket assembly 2 is provided with a through hole 21, the spline 161 passes through the through hole 21 and is fixedly connected with the power assembly 3, the light column 162 is sealingly accommodated in the through hole 21, and the side of the shaft stop position 163 close to the light column 162 abuts against the surface of the bracket assembly 2.

[0064] Preferably, as shown in Figure 2 and Figure 8 , the bracket assembly 2 is further provided with a mounting end 22, the mounting end 22 faces the shell 11, the through hole 21 is located on the mounting end 22, and the surface of the mounting end 22 close to the shell 11 is an end face 220;

[0065] The side of the shaft stop position 163 close to the light column 162 abuts against the end face 220 of the mounting end 22,

[0066] The shaft stop position 163 is provided with a limiting protrusion 166, the end face 220 of the mounting end 22 is provided with a stop block 221, and the limiting protrusion 166 cooperates with the stop block 221 to limit the rotation angle of the rotating shaft 16.

[0067] Further preferably, the mounting end 22 is matched with the mounting port 110, and the mounting end 22 is provided with an annular sealing groove 222 on the circumferential surface, and the annular sealing groove 222 contains a sealing ring 223, and the mounting end 22 is sealingly arranged in the mounting port 110 through the sealing ring 223.

[0068] As shown in the examples, Figure 2 the surface of the shell 11 near the mounting port is provided with a plurality of shell fixing columns 117, the support assembly 2 is provided with support mounting holes 23 at positions corresponding to the shell fixing columns 117, and the shell screws 118 are screwed into the shell fixing columns 117 through the support mounting holes 23, so that the shell 11 and the support assembly 2 are fixedly connected. In the examples, the shell fixing columns 117 are four, and the support mounting holes 23 are four, but the patent is not limited thereto, and can also be two, three, five, etc., as long as the valve shell assembly and the support assembly can be fixed.

[0069] As shown in the examples, Figures 2-3 and Figure 8 the shell 11 is provided with a limiting groove 17 on one end face of the mounting port, and the support assembly is provided with a limiting column 24 matched with the limiting groove 17, and the limiting column 24 is contained in the limiting groove 17. The limiting groove and the limiting column are arranged to position the shell and the support assembly to prevent relative rotation.

[0070] As shown in the examples, Figure 2 , Figures 6-7 the assembly column 165 is three, and the three assembly columns 165 are circumferentially distributed on the end face of the cylindrical column 164, and the three assembly columns 165 are clearance-fitted with the three corresponding assembly grooves 141, so that the second disc can slide up and down along the assembly column under the spring force. In the examples, the cylindrical column 164 is provided with a center hole in the center, and the cylindrical column 164 is an annular cylindrical column.

[0071] Preferably, the valve core assembly 10 further comprises a spring 15, the spring 15 is sleeved on the cylindrical column 164, one end of the spring 15 abuts against the second disc 14, and the other end of the spring 15 abuts against the side of the shaft stop position 163 close to the cylindrical column 164. The spring is arranged to push the second disc to contact the first disc under the spring force, so as to ensure that the sealing gasket is compressed to generate a sealing effect.

[0072] Preferably, the surface of the cylindrical column 164 is provided with a clamping protrusion 1641, and the clamping protrusion 1641 is configured to limit the spring 15 from falling off. In the examples, the clamping protrusion 1641 is arranged on the surface of the cylindrical column 164 close to one end of the shaft stop position. In the examples, the clamping protrusion is two 1641, and the two clamping protrusions are symmetrically arranged on the two sides of the cylindrical column 164. The clamping protrusion is arranged to limit the spring from falling off.

[0073] Preferably, the light column 162 is sleeved with a sealing member, and the light column is sealingly accommodated in the through hole 21 through the sealing member. Specifically, the light column 162 is sequentially sleeved with a first sealing member 1621, a support ring 1622 and a second sealing member 1623, and the light column 162 and the through hole 21 are sealingly arranged through the first sealing member 1621 and the second sealing member 1623. The first sealing member 1621 and the second sealing member 1623 can be the same or different. In the example, the first sealing member 1621 and the second sealing member 1623 are the same sealing member. The first sealing member 1621 and the second sealing member 1623 are used to seal the gap between the rotating shaft and the support assembly, and the support ring plays a supporting role.

[0074] In the preferred embodiment, as shown in Figures 2-5 , the first disc 13 includes a solid part 131 and a gap 132 left by the solid part 131, the solid part 131 is fan-shaped, the inner included angle of the solid part 131 is greater than 180 degrees, and the solid part 131 is provided with a first opening 133 and a second opening 134;

[0075] The valve core cavity 112 is provided with a disc stopper 1121 at one end close to the shunt cavity 111, the gap 132 of the first disc 13 is snap-fitted on the disc stopper 1121, the first opening 133 is in communication with the first fluid channel 115 in correspondence, and the second opening 134 is in communication with the second fluid channel 116 in correspondence.

[0076] Preferably, as shown in Figures 2-4 , the first disc 13 is provided with a sealing gasket 12 at one side close to the shunt cavity 111, the sealing gasket is shaped in correspondence with the first disc 13, and the first disc 13 is in contact with the sealing gasket. Further preferably, the shunt cavity 111 is provided with a sealing groove 1111 at one end close to the valve core cavity 112, and the sealing gasket 12 is accommodated in the sealing groove 1111. Specifically, the sealing gasket 12 includes a sealing gasket solid part, the inner included angle of the sealing gasket solid part is greater than 180 degrees, the shape of the sealing gasket solid part corresponds to the shape of the solid part 131 of the first disc, the sealing gasket solid part is provided with a first gasket opening 122 and a second gasket opening 123, the first gasket opening 122 corresponds to the first opening 133, and the second gasket opening 123 corresponds to the second opening 134. The sealing gasket is used to seal the first gasket and the inside of the shell, preventing the fluid in the first opening from leaking into the second fluid channel or the fluid in the second opening from leaking into the first fluid channel.

[0077] In the preferred embodiment, as shown in Figure 2 and Figure 6 , the second disc 14 is provided with a fan-shaped solid part, the inner included angle of the fan-shaped solid part is greater than 180 degrees, and the second disc 14 is located at the side of the first disc 13 away from the shunt cavity;

[0078] The sectoral solid part of the second disc 14 is driven to rotate to overlap the first opening 133 of the first disc 13, overlap the second opening 134 of the first disc 13, or partially overlap the first opening 133 and the second opening 134 respectively. In the example, the assembling groove 141 is arranged on the side of the second disc 14 close to the rotating shaft 16. In the example, the fluid inlet 113 is located on the side of the second disc 14 away from the first disc 13.

[0079] Specifically, as shown in Figure 2 and Figure 8 , the power assembly 3 is fixedly installed on the side of the support assembly 2 away from the valve housing. Preferably, the power assembly 3 is screwed on the support assembly 2. In the example, the support assembly 2 is provided with a plurality of support screw columns 25, and the power assembly 3 is provided with power assembly mounting holes 31, and power assembly screws 32 pass through the power assembly mounting holes 31 and are screwed into the support screw columns 25, so that the power assembly 3 is fixedly connected with the support assembly 2. In the example, the support screw columns 25 are three, and the power assembly mounting holes 3 are three, of course, the patent is not limited thereto, and can also be two, four, five, etc., as long as the valve housing assembly and the support assembly can be fixed.

[0080] In a specific embodiment, as shown in Figures 1-3 and Figures 9-11 , the housing 11 is further provided with a fluid pipe, and the fluid inlet 113 and / or the fluid outlet 114 are arranged on the fluid pipe. In the example, the housing 11 is provided with at least a first fluid pipe 101, a second fluid pipe 102 and a third fluid pipe 103;

[0081] At least one fluid inlet 113 is arranged on the first fluid pipe 101, one fluid outlet is arranged on the second fluid pipe 102, the second fluid pipe 102 is in communication with the first fluid channel 115, and the other fluid outlet is arranged on the third fluid pipe, and the third fluid pipe is in communication with the second fluid channel 116. In the example, the fluid outlet arranged on the second fluid pipe 102 is the first fluid outlet, and the fluid outlet arranged on the third fluid pipe is the second fluid outlet.

[0082] In the example, the first fluid pipe 101 is in communication with the spool cavity, and the first fluid pipe 101 is located on the side of the second disc 14 away from the first disc 13.

[0083] In the patent, there is one fluid inlet 113, but the patent is not limited thereto, and a plurality of fluid inlets can also be arranged, according to actual needs.

[0084] Preferably, the second fluid pipe 102 is further provided with a fluid branch pipe 104, and the fluid branch pipe 104 and the second fluid pipe 102 are both connected with the first fluid channel 115. In the example, the pipe opening end of the fluid branch pipe 104 is provided with a protruding ring 105, and the protruding ring 105 is sleeved with a pipe opening sealing ring 106. In the example, the inner diameter of the protruding ring 105 is consistent with the inner diameter of the second fluid pipe 102, and the outer diameter of the protruding ring 105 is smaller than the outer diameter of the second fluid pipe 102.

[0085] Preferably, the third fluid pipe is provided with an annular groove 107 on the end face of the pipe opening end, the annular groove 107 is arranged around the periphery of the pipe opening of the third fluid pipe, and the annular groove 107 is provided with a pipe opening annular sealing pad 108.

[0086] In the example, the pipe opening direction of the fluid branch pipe 104 is consistent with the pipe opening direction of the third fluid pipe. In the example, the pipe opening direction of the first fluid pipe 101 is consistent with the pipe opening direction of the second fluid pipe 102.

[0087] In the preferred embodiment, as shown in Figures 1-3 The housing 11 is provided with a mounting member 19, the mounting member 19 is provided with a mounting through hole 191, and the mounting through hole 191 is provided with a bushing 192. In the example, the bushing 192 is a metal bushing, and the housing 11 is a plastic housing. In the example, the housing 11 is provided with a first mounting member 193, a second mounting member 194 and a third mounting member 195. Further preferably, the first mounting member 193 is fixedly arranged on the fluid branch pipe 104, the second mounting member 194 is fixedly arranged on the second fluid pipe 102, and the third mounting member 195 is fixedly arranged on the third fluid pipe. In the example, the planes of the first mounting member 193, the second mounting member 194 and the third mounting member 195 are arranged in parallel. Specifically, the planes of the first mounting member 193, the second mounting member 194 and the third mounting member 195, the fluid branch pipe and the third fluid pipe are all arranged in parallel.

[0088] In use, when the power assembly drives the rotating shaft 16 and the second disc 14 to overlap the second opening 134 of the first disc 13, the first fluid pipe 101 is connected with the first fluid channel 115 through the first opening 133, the fluid enters the valve core cavity from the pipe opening of the first fluid pipe 101, and then flows out from the pipe opening of the second fluid pipe 102 and the pipe opening of the fluid branch pipe 104 after passing through the first opening 133 and the first fluid channel 115, as shown in Figure 9 Or

[0089] When the power assembly drives the rotating shaft 16 and the second disc 14 to the fan-shaped solid part of the second disc 14 and the first opening 133 of the first disc 13 are overlapped, the first fluid pipe 101 is communicated with the second fluid channel 116 through the second opening 134, the fluid enters the valve core cavity from the pipe opening of the first fluid pipe 101, and after passing through the second opening 134 and the second fluid channel 116, the fluid flows out from the pipe opening of the third fluid pipe 103, as shown in Figure 10 ; or

[0090] When the power assembly drives the rotating shaft 16 and the second disc 14 to the fan-shaped solid part of the second disc 14 and the first opening 133 of the first disc 13 are overlapped, the first fluid pipe 101 is communicated with the second fluid channel 116 through the second opening 134, the fluid enters the valve core cavity from the pipe opening of the first fluid pipe 101, and after passing through the second opening 134 and the second fluid channel 116, the fluid flows out from the pipe opening of the third fluid pipe 103, as shown in Figure 11 .

[0091] It should be noted that all features described above or in the embodiments can be combined arbitrarily without conflict.

[0092] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "yet another embodiment", "another embodiment", "other embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0093] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the person skilled in the art can change, modify and modify the above embodiments within the scope of the present application.

Claims

1. A disc valve, characterized in that, It includes a valve housing assembly (1), a bracket assembly (2), and a power assembly (3); The valve housing assembly (1) includes a valve core assembly (10) and a housing (11). At least a portion of the valve core assembly (10) is housed within the housing (11). The valve core assembly (10) includes a first disc (13), a second disc (14), and a rotating shaft (16). The housing (11) has an installation port (110), a flow divider cavity (111), a valve core cavity (112), at least one fluid inlet (113), and at least two fluid outlets (114). The flow divider cavity (111) is divided into a first fluid channel (115) and a second fluid channel (116). Both fluid channels (116) are connected to the valve core cavity (112). A fluid inlet (113) is located on the housing (11) corresponding to the valve core cavity (112) and is connected to the valve core cavity (112). At least one fluid outlet (114) is located on the housing (11) corresponding to the first fluid channel (115) and is connected to the first fluid channel (115). At least one fluid outlet (114) is located on the housing (11) corresponding to the second fluid channel (116) and is connected to the second fluid channel (116). The mounting port (110) is connected to the valve core cavity (112). The first disc (13) is sealed and fixedly installed at one end of the valve core cavity (112) near the diversion cavity (111). The second disc (14) is located on the side of the first disc (13) away from the diversion cavity (111). The rotating shaft (16) is designed as an integral part. One end of the rotating shaft (16) is installed on the second disc (14). The second disc (14) is configured to rotate with the rotating shaft (16). The other end of the rotating shaft (16) extends out from the mounting port (110) and is fixedly connected to the power assembly (3). The bracket assembly (2) is sealed and fixedly installed on the mounting port (110).

2. The disc valve according to claim 1, characterized in that, The rotating shaft (16) is integrally designed with a spline (161), a light column (162), a shaft stop (163), a cylinder (164), and an assembly column (165) along its length. The second disc (14) has an assembly groove (141) on the side near the rotating shaft (16) that mates with the assembly column (165), and the assembly column (165) is accommodated in the assembly groove (141). The bracket assembly (2) has a through hole (21), and the spline (161) passes through the through hole (21) and is fixedly connected to the power assembly (3). The light column (162) is sealed and housed in the through hole (21), and the side of the shaft stop (163) near the light column (162) abuts against the surface of the bracket assembly (2).

3. The disc valve according to claim 2, characterized in that, The bracket assembly (2) is also provided with a mounting end (22) on which a through hole (21) is located; The side of the shaft stop (163) closest to the light column (162) contacts the end face of the mounting end (22). A limiting protrusion (166) is provided on the shaft stop (163), and a stop block (221) is provided on the end face of the mounting end (22). The limiting protrusion (166) and the stop block (221) cooperate to limit the rotation angle of the rotating shaft (16).

4. The disc valve according to claim 1, characterized in that, The light column (162) is sequentially fitted with a first sealing element (1621), a support ring (1622), and a second sealing element (1623). The light column (162) and the through hole (21) are sealed and installed by the first sealing element (1621) and the second sealing element (1623).

5. The disc valve according to claim 3, characterized in that, The mounting end (22) has an annular sealing groove (222) on its circumferential surface. A sealing ring (223) is placed inside the annular sealing groove (222). The mounting end (22) and the mounting port (110) are sealed together by the sealing ring (223).

6. The disc valve according to claim 1, characterized in that, The valve core assembly (10) also includes a spring (15), which is sleeved on the cylinder (164). One end of the spring (15) abuts against the second disc (14), and the other end of the spring (15) abuts against the side of the shaft stop (163) near the cylinder (164).

7. The disc valve according to claim 1, characterized in that, A sealing gasket (12) is provided on the side of the first disc (13) near the flow chamber (111); The first disc (13) includes a solid part (131) and a notch (132) left in the solid part (131). The solid part (131) is fan-shaped and the included angle of the solid part (131) is greater than 180 degrees. The solid part (131) is provided with a first opening (133) and a second opening (134). A disc stop block (1121) is provided at one end of the valve core cavity (112) near the flow divider cavity (111). The notch (132) of the first disc (13) is installed on the disc stop block (1121). The first opening (133) is connected to the first fluid channel (115) and the second opening (134) is connected to the second fluid channel (116). The shape of the sealing gasket corresponds to that of the first disc (13), and the first disc (13) is in contact with the sealing gasket.

8. The disc valve according to claim 7, characterized in that, The second disc (14) is provided with a fan-shaped solid part, the included angle of the fan-shaped solid part is greater than 180 degrees, and the second disc (14) is located on the side of the first disc (13) away from the shunt cavity; The fan-shaped solid portion of the second disc (14) is driven to rotate to overlap with the first opening (133) of the first disc (13), overlap with the second opening (134) of the first disc (13), or partially overlap with the first opening (133) and the second opening (134) respectively.

9. The disc valve according to claim 1, characterized in that, The housing (11) is also provided with a fluid pipe, and a fluid inlet (113) and / or a fluid outlet (114) are opened on the fluid pipe. The fluid pipe includes at least a first fluid pipe (101), a second fluid pipe (102) and a third fluid pipe (103); At least one fluid inlet (113) is provided on the first fluid pipe (101), which is located on the side of the second disc (14) away from the first disc (13). A fluid outlet is provided on the second fluid pipe (102), which is connected to the first fluid channel (115). Another fluid outlet is provided on the third fluid pipe, which is connected to the second fluid channel (116).

10. The disc valve according to claim 1, characterized in that, The second fluid pipe (102) is also provided with a fluid branch pipe (104), and both the fluid branch pipe (104) and the second fluid pipe (102) are connected to the first fluid channel (115).

11. The disc valve according to claim 10, characterized in that, The openings of the fluid manifold (104) and the third fluid manifold face the same direction, or the openings of the fluid manifold (104) and the third fluid manifold face different directions from those of the first fluid manifold (101). The fluid manifold (104) has a protruding ring (105) at its port end, and a port sealing ring (106) is fitted onto the protruding ring (105); and / or An annular groove (107) is provided on the end face of the third fluid pipe opening. The annular groove (107) is arranged around the periphery of the third fluid pipe opening, and the annular groove (107) contains an annular sealing gasket (108).

12. The disc valve according to claim 1, characterized in that, The housing (11) is provided with a mounting part (19), and a mounting through hole (191) is provided on the mounting part (19), and a metal bushing (192) is provided in the mounting through hole (191).

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