CN115507200A - Multi-way valve - Google Patents
Multi-way valve Download PDFInfo
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- CN115507200A CN115507200A CN202211246755.0A CN202211246755A CN115507200A CN 115507200 A CN115507200 A CN 115507200A CN 202211246755 A CN202211246755 A CN 202211246755A CN 115507200 A CN115507200 A CN 115507200A
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- cavity
- sub
- valve disc
- valve
- valve body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a multi-way valve which can solve the problems of complicated control valve structure and high production cost of a cooling heat exchange system of an existing new energy automobile. The valve disc comprises a valve body with an inner cavity and a valve disc with a valve disc flow passage port, the valve disc separates the inner cavity into two independent cavities along the axial direction, a plurality of sub-cavities which are not communicated with each other are formed in the independent cavities, an external interface is arranged at the axial end part of each sub-cavity on the corresponding side of the valve body, floating sealing connection is formed between the two axial sides of the valve disc and the independent cavities through sealing pieces respectively, a sealing flow passage port is formed in each sealing piece, each sub-cavity is arranged on the external interface of the sub-cavity, and the sealing flow passage port communicated with the sub-cavities in a matched mode forms a cooling medium flow passage, and the circumferential position of the valve disc flow passage port can be adjusted by rotating to control any cooling medium flow passage in any independent cavity to form a cooling medium passage with any cooling medium flow passage in another independent cavity.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a control valve of a new energy automobile cooling heat exchange system, and specifically relates to a multi-way valve.
Background
The cooling and heat exchange system of the new energy automobile generally relates to a motor cooling subsystem, a cooling and temperature-reducing subsystem of a power battery and a cooling and heating air-conditioning subsystem of a passenger cabin, and an independent cooling and heat exchange pipeline of each subsystem needs to be provided with a corresponding independent control valve, so that the existing cooling and heat exchange system pipeline and the corresponding control valve thereof have complicated structures, large occupied space and high production cost, and the higher and higher integrated control requirements of the current new energy automobile cannot be met.
Disclosure of Invention
Aiming at the problems, the invention provides a multi-way valve which can solve the problems of complicated control structure, large occupied space and high production cost caused by the fact that each subsystem in a cooling heat exchange system of the existing new energy automobile needs to be provided with a separate control valve.
Its technical scheme does, a multi-ported valve, its valve body including having the inner chamber, its characterized in that: the valve disc that can wind valve body axial rotation is provided with in the inner chamber of valve body, just the valve disc will the inner chamber of valve body separates along the axial and forms upper and lower two independent cavities, every all be formed with a plurality of sub-cavities that do not communicate each other in the independent cavity, every sub-cavity all is equipped with the outside interface that can be connected with external pipeline at the axial tip of the corresponding side of valve body, form floating sealing connection between the independent cavity of an axial both sides of valve disc respectively through a sealing member and both sides, be provided with the sealed flow channel mouth that communicates with the sub-cavity cooperation of corresponding one side on the sealing member, every the sub-cavity, locate the outside interface on this sub-cavity and the sealed flow channel mouth that communicates with this sub-cavity cooperation form a cooling medium runner, the valve disc has seted up a plurality of axial through's valve disc flow channel mouth on the valve disc, the valve disc flow channel mouth can be located the cooling medium runner intercommunication in upper and lower two independent cavities respectively and form the cooling medium passageway in another independent cavity, thereby control is located arbitrary cooling medium runner in arbitrary independent cavity in the position of each flow channel on the valve disc in circumference through rotating the valve disc can be adjusted.
Further, each sub-cavity in each independent cavity forms an axial projection plane on the valve disc; the axial projection surface of any sub-cavity of any independent cavity is at least partially overlapped with the axial projection surfaces of two sub-cavities of another independent cavity to form a corresponding partial overlapped surface, and the shape of the opening of the valve disc runner port on the valve disc corresponds to the shape of the partial overlapped surface; when the valve disc rotates to the state that any valve disc runner port is axially opposite to one part of the superposed surface, the two sub-cavities forming the part of the superposed surface are communicated through the valve disc runner port and form the cooling medium passage.
Furthermore, the sealing profiles matched with each other are arranged between the sealing piece and the sealing end face of the independent cavity and between the sealing piece and the axial disc face of the valve disc.
Furthermore, one side face of the sealing element, which faces the valve disc, is a plane or an inclined plane or a curved surface, and a side face of the sealing element, which faces the independent cavity, is provided with a protrusion, a hole groove corresponding to the protrusion is formed in the axial sealing end face of the independent cavity, a matching surface is formed between the plane or the inclined plane or the curved surface on one side of the sealing element and the axial disc face of the valve disc, and the protrusion on the other side face of the sealing element is connected with the hole groove in the axial sealing end face of the independent cavity in a matching manner.
Furthermore, an axial mounting hole is formed in the axial sealing end face of the upper independent cavity or the lower independent cavity, a spring is arranged in the axial mounting hole, one axial end of the spring is abutted against the bottom of the axial mounting hole, and the other axial end of the spring is abutted against a sealing piece located on one side of the independent cavity.
Furthermore, the valve disc is provided with axially penetrating pressure relief holes.
The sealing element in the scheme of the invention is made of wear-resistant waterproof materials.
Optionally, the seal is made of PTFE material.
Optionally, the sealing element comprises a PTFE layer and a rubber layer, and the PTFE layer and the rubber layer are integrated by a vulcanization process.
Furthermore, the valve disc rotating mechanism comprises a speed reducing motor and a driving gear, the speed reducing motor is fixedly mounted on the valve body, a power output shaft of the speed reducing motor extends into the inner cavity of the valve body and is in shaft connection with the driving gear, a toothed surface is arranged on the periphery of the valve disc, and the driving gear is in meshing transmission connection with the toothed surface of the valve disc.
Furthermore, the valve disc is provided with a limiting convex block protruding out of the circumferential surface of the valve disc along the radial direction, the cavity wall of the inner cavity of the valve body is provided with a limiting stop pin, the limiting stop pin is located in the rotating circumferential path of the limiting convex block of the valve disc, and the limiting stop pin can be abutted against the radial protruding side surface of the limiting convex block.
Furthermore, the valve disc rotating mechanism further comprises a position sensor, and the position sensor is installed on the valve body.
Further, the valve body includes valve body and lower valve body, the bottom of going up the valve body is equipped with the center pin, lower valve body, valve disc, sealing member all be equipped with the corresponding shaft hole of center pin, go up the valve body and connect an organic whole with lower valve body to closing the solid, just the center pin axial of going up the valve body runs through the shaft hole of valve disc, the shaft hole of sealing member and stretches into in the shaft hole of valve body down.
Furthermore, go up independent cavity, lower independent cavity and equally divide and do not be equipped with four sub-cavities, four valve disc runner mouths have been seted up on the valve disc.
Further, the upper valve body comprises a valve cover, four annular convex hulls are formed on the valve cover around the central shaft, each annular convex hull is provided with a hollow cavity with an open bottom, and each middle cavity forms one sub cavity located in the upper independent cavity; the four annular convex hulls are respectively a first convex hull, a second convex hull, a third convex hull and a fourth convex hull, the sub cavities corresponding to each convex hull are respectively a first sub cavity, a second sub cavity, a third sub cavity and a fourth sub cavity, the second convex hull and the fourth convex hull are concentrically and annularly arranged on the outer peripheral side of the central shaft, the peripheries of the second convex hull and the fourth convex hull are concentrically and annularly arranged on the first convex hull, the second convex hull, the third convex hull and the fourth convex hull, and corresponding first external interfaces, second external interfaces, third external interfaces and fourth external interfaces are respectively arranged on the first convex hull, the second convex hull, the third convex hull and the fourth convex hull.
Furthermore, the first convex hull and the third convex hull have the same height and form a concentric outer ring convex hull structure, the second convex hull and the fourth convex hull have the same height and form a concentric inner ring convex hull structure, and the protrusion height of the outer ring convex hull structure is greater than that of the inner ring convex hull structure.
Further, the lower valve body comprises an outer shell, the outer shell has an open cavity in top, be equipped with the separation gusset in the cavity of shell, it separates the cavity of shell with four around the shaft hole periphery of valve body under to be formed with the cavity separation of separation gusset fifth sub-cavity, sixth sub-cavity, seventh sub-cavity and eighth sub-cavity respectively, the bottom of shell is equipped with and corresponds fifth external interface, sixth external interface, seventh external interface and the eighth external interface that communicates with fifth sub-cavity, sixth sub-cavity, seventh sub-cavity and eighth sub-cavity respectively.
Furthermore, the fifth sub-cavity, the sixth sub-cavity, the seventh sub-cavity and the eighth sub-cavity respectively comprise an arc section and a radial conical section which are communicated with each other and surround the axial center, wherein the arc sections of the fifth sub-cavity and the eighth sub-cavity are respectively located at the radial inner side end of the radial conical section, the arc sections of the sixth sub-cavity and the seventh sub-cavity are respectively located at the radial outer side end of the radial conical section, the fifth external interface, the sixth external interface and the seventh external interface are respectively located on the arc sections of the fifth sub-cavity, the sixth sub-cavity and the seventh sub-cavity, and the eighth external interface is located on the radial conical section of the eighth sub-cavity.
Further, four valve disc flow ports on the valve disc are respectively a first valve disc flow port, a second valve disc flow port, a third valve disc flow port and a fourth valve disc flow port, wherein the second valve disc flow port and the fourth valve disc flow port are conical ports, the first valve disc flow port and the third valve disc flow port are arc-shaped ports, two conical ports and two arc-shaped ports are symmetrically arranged outside the shaft hole of the valve disc, and the two conical ports and the two arc-shaped ports are staggered along the circumferential direction.
Further, the sealing member includes sealing member and lower sealing member, go up the sealing member set up in between valve disc and the last valve body, down the sealing member set up in between valve disc and the lower valve body, go up the sealing member have with the sealed flow crossing of first sub-cavity, second sub-cavity, third sub-cavity and fourth sub-cavity one-to-one, down the sealing member have with the sealed flow crossing of fifth sub-cavity, sixth sub-cavity, seventh sub-cavity and eighth sub-cavity one-to-one, go up sealing member, lower sealing member respectively orientation a side end face of valve disc is the plane, go up the sealing member orientation the face of going up valve body one side is equipped with the flange down be equipped with a plurality of location archs on the terminal surface of valve body one side down, it is equipped with ring groove to go up the valve body, the valve body is equipped with a plurality of gomphosis locating holes down, the flange gomphosis of going up the sealing member goes into in the ring groove, a plurality of location archs of lower sealing member all go into in the locating hole one-to-one correspondence.
The invention has the beneficial effects that: the valve disc which is rotatably arranged in the valve body separates an inner cavity of the valve body along the axial direction to form an upper independent cavity and a lower independent cavity, a plurality of sub-cavities which are not communicated with each other are formed in each independent cavity, an external interface which can be connected with an external pipeline is arranged at the axial end part of each sub-cavity on the corresponding side of the valve body, floating sealing connection is formed between the two axial sides of the valve disc and the independent cavities on the two sides through a sealing piece, a sealing runner port which is matched and communicated with the sub-cavity on the corresponding side is arranged on the sealing piece, therefore, each sub-cavity, the external interface arranged on the sub-cavity and the sealing runner port which is matched and communicated with the sub-cavity form a cooling medium runner, the cooling medium runners which are respectively positioned in the upper independent cavity and the lower independent cavity can be communicated to form a cooling medium passage, the circumferential position of each valve disc runner port on the valve disc can be adjusted through rotating the valve disc, so that any cooling medium runner positioned in any one independent cavity can be controlled to form a cooling medium runner with any cooling medium runner positioned in the other independent cavity, and effective multi-channel switching control can be realized, the number of a plurality of control subsystems in the cooling system can be reduced, and the production cost can be reduced.
Drawings
Fig. 1 is a schematic perspective view of a first viewing direction of a multi-way valve according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a second viewing direction of a multi-way valve according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a multi-way valve according to an embodiment of the present invention;
FIG. 4 is an enlarged sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of a multi-way valve according to one embodiment of the present invention;
FIG. 6 is a schematic perspective view of an upper valve body according to a first embodiment of the present invention;
FIG. 7 is a schematic top view of an upper valve body according to an embodiment of the present invention;
FIG. 8 is a schematic bottom view of an upper valve body according to an embodiment of the present invention;
FIG. 9 is a schematic perspective view of a lower valve body according to an embodiment of the present invention;
FIG. 10 is a schematic top view of a lower valve body according to an embodiment of the present invention;
FIG. 11 is a schematic bottom view of a lower valve body according to an embodiment of the present invention;
FIG. 12 is a schematic perspective view of a valve disc according to one embodiment of the present invention;
FIG. 13 is a schematic structural diagram of an upper seal member according to an embodiment of the present invention;
FIG. 14 is a schematic side view of an upper sealing member according to one embodiment of the present invention;
FIG. 15 is a schematic view of a lower seal according to an embodiment of the present invention;
FIG. 16 is a schematic side view of a lower seal member according to an embodiment of the present invention;
FIG. 17 is a schematic perspective view of a valve disc according to a second embodiment of the present invention;
fig. 18 is a schematic structural view of an upper seal member according to another embodiment of the present invention.
Reference numerals:
100-a valve body;
10-an upper valve body, 11-a central shaft, 12-a valve cover, 13-a first convex hull, 14-a second convex hull, 15-a third convex hull, 16-a fourth convex hull, 17-a motor base, 18-a motor cover plate, 1 a-a first sub cavity, 2 a-a second sub cavity, 3 a-a third sub cavity, 4 a-a fourth sub cavity, 1 b-a first external interface, 2 b-a second external interface, 3 b-a third external interface, 4 b-a fourth external interface;
20-a lower valve body, 21-a housing, 22-a separation rib plate, 231-an arc section, 232-an arc section, 241-a radial taper section, 242-a radial taper section, 25-a positioning hole, 26-an axial mounting hole, 27-a spring, 5 a-a fifth sub-cavity, 6 a-a sixth sub-cavity, 7 a-a seventh sub-cavity, 8 a-an eighth sub-cavity, 5 b-a fifth external interface, 6 b-a sixth external interface, 7 b-a seventh external interface, and 8 b-an eighth external interface;
30-valve disc, 31A-first valve disc runner port, 31B-second valve disc runner port, 31C-third valve disc runner port, 31D-fourth valve disc runner port, 32-tooth surface, 33-limit bump, 34-limit stop pin and 35-pressure relief hole;
41-upper seal, 411-flange, 41-1-upper seal, 41-2-upper seal, 41-3-upper seal, 41-4-upper seal, 42-lower seal, 421-positioning projection, 1 c-first sealing runner port, 2 c-second sealing runner port, 3 c-third sealing runner port, 4 c-fourth sealing runner port, 5 c-fifth sealing runner port, 6 c-sixth sealing runner port, 7 c-seventh sealing runner port, 8 c-eighth sealing runner port;
51-reduction motor, 52-driving gear, 53-position sensor.
Detailed Description
The first embodiment is as follows:
referring to fig. 1 to 16, the multi-way valve of the present invention comprises a valve body 100 having an inner cavity, a valve disc 30 capable of rotating around the axial direction of the valve body is arranged in the inner cavity of the valve body 100, the inner cavity of the valve body is axially separated by the valve disc 30 to form an upper independent cavity and a lower independent cavity, and a plurality of sub-cavities which are not communicated with each other are formed in each independent cavity; the two axial sides of the valve disc 30 are respectively connected with the two independent cavities in a floating sealing manner through the sealing elements, and in the embodiment, the two axial sides of the valve disc 30 are respectively connected with the two independent cavities in a floating sealing manner through the upper sealing element 41 and the lower sealing element 42.
The valve body 100 of the embodiment includes an upper valve body 10 and a lower valve body 20, the upper valve body 10 and the lower valve body 20 are fixedly connected to form a whole with an inner cavity, the upper valve body 10 and the lower valve body 20 are fixedly connected to form a whole through a screw or an external hoop, or the upper valve body 10 and the lower valve body 20 are directly welded to form a whole; the bottom of the upper valve body 10 in this embodiment is provided with a central shaft 11, the lower valve body 20, the valve disc 30, the upper sealing member 41, and the lower sealing member 42 are respectively provided with shaft holes corresponding to the central shaft 11, and the central shaft 11 of the upper valve body 10 sequentially axially penetrates through the shaft hole of the upper sealing member 41, the shaft hole of the valve disc 30, and the shaft hole of the lower sealing member 42 and extends into the shaft hole of the lower valve body 20.
A plurality of sub-cavities are formed in the upper independent cavity and the lower independent cavity respectively, in the embodiment, four sub-cavities are formed in the upper independent cavity and the lower independent cavity respectively, wherein the four sub-cavities of the upper independent cavity are a first sub-cavity 1a, a second sub-cavity 2a, a third sub-cavity 3a and a fourth sub-cavity 4a respectively, and the four sub-cavities of the lower independent cavity are a fifth sub-cavity 5a, a sixth sub-cavity 6a, a seventh sub-cavity 7a and an eighth sub-cavity 8a respectively; in practical application, three or five or even more sub-cavities can be respectively arranged in the upper independent cavity and the lower independent cavity, and the number of the sub-cavities in the upper independent cavity and the number of the sub-cavities in the lower independent cavity can be designed to be different according to practical application requirements.
Each sub-cavity is provided with an external interface which can be connected with an external pipeline at the axial end part of the corresponding side of the valve body, in the embodiment, the first sub-cavity 1a, the second sub-cavity 2a, the third sub-cavity 3a and the fourth sub-cavity 4a are respectively and correspondingly provided with a first external interface 1b, a second external interface 2b, a third external interface 3b and a fourth external interface 4b at the top of the valve body, and the fifth sub-cavity 5a, the sixth sub-cavity 6a, the seventh sub-cavity 7a and the eighth sub-cavity 8a are respectively and correspondingly provided with a fifth external interface 5b, a sixth external interface 6b, a seventh external interface 7b and an eighth external interface 8b at the bottom of the valve body 100.
The upper sealing element 41 is respectively provided with a sealing flow port which is in matched communication with four sub-cavities of the upper independent cavity, specifically a first sealing flow port 1c communicated with the first sub-cavity 1a, a first sealing flow port 2c communicated with the second sub-cavity 2a, a third sealing flow port 3c communicated with the third sub-cavity 3a, and a fourth sealing flow port 4c communicated with the fourth sub-cavity 4 a; the lower sealing element 42 is provided with sealing channel openings which are matched and communicated with four sub-cavities in the lower independent cavity, specifically a fifth sealing channel opening 5c communicated with a fifth sub-cavity 5a, a sixth sealing channel opening 6c communicated with a sixth sub-cavity 6a, a seventh sealing channel opening 7c communicated with a seventh sub-cavity 7a, and an eighth sealing channel opening 8c communicated with an eighth sub-cavity 8a; each sub-cavity, an external interface arranged on the sub-cavity and a sealing channel opening matched and communicated with the sub-cavity form a cooling medium channel, for example, a first sub-cavity 1a, a first external interface 1b and a first sealing channel opening 1c are communicated to form a cooling medium channel 1, and the other same principle is that four cooling medium channels 1-4 which are not communicated with each other are formed in the upper independent cavity and four cooling medium channels 5-8 which are not communicated with each other are formed in the lower independent cavity in the embodiment; in this embodiment, four valve disc flow ports which axially penetrate are formed in the valve disc 30, each valve disc flow port can communicate two of the cooling medium flow channels which are respectively located in the upper and lower two independent cavities to form a cooling medium passage, the positions of the valve disc flow ports in the circumferential direction on the valve disc 30 are adjusted by rotating the valve disc 30, so that any cooling medium flow channel located in any independent cavity can be controlled to form a cooling medium passage with any cooling medium flow channel located in another independent cavity, and therefore multi-channel switching control is achieved.
As a preferred technical solution of the present invention, each sub-cavity in each independent cavity forms an axial projection surface on the valve disc 30; the axial projection surface of any sub-cavity of any independent cavity can at least partially coincide with the axial projection surfaces of two sub-cavities of another independent cavity to form at least two corresponding partially coincident surfaces, and the shape of the opening of the valve disc runner port on the valve disc corresponds to the shape of the partially coincident surfaces; when the valve disc 30 rotates to the axial direction of any valve disc runner port and a part of the coincidence surface, the two sub-cavities forming the part of the coincidence surface are communicated through the valve disc runner port to form a cooling medium passage; after the arrangement, the position of the valve disc runner port in the circumferential direction is adjusted by rotating the valve disc 30, so that the cooling medium runner of any independent cavity can form a cooling medium passage with any one cooling medium runner on another independent cavity, and the function of multi-passage switching control is realized.
The upper valve body 10 in this embodiment includes a valve cover 12, four annular convex hulls are formed on the valve cover 12 around a central shaft 11, the annular convex hulls have hollow cavities with open bottoms, and each of the hollow cavities forms a sub-cavity located in an upper independent cavity; specifically, the four annular convex hulls are respectively a first convex hull 13, a second convex hull 14, a third convex hull 15 and a fourth convex hull 16, sub-cavities corresponding to each convex hull are respectively a first sub-cavity 1a, a second sub-cavity 2a, a third sub-cavity 3a and a fourth sub-cavity 4a, the second convex hull 14 and the fourth convex hull 16 are concentrically and annularly arranged on the outer periphery side of the central shaft 11, the first convex hull 13 and the third convex hull 15 are concentrically and annularly arranged on the peripheries of the second convex hull 14 and the fourth convex hull 16, and the first convex hull 13, the second convex hull 14, the third convex hull 15 and the fourth convex hull 16 are respectively provided with a corresponding first external interface 1b, a corresponding second external interface 2b, a corresponding third external interface 3b and a corresponding fourth external interface 4b.
As a further preferable technical solution of the embodiment of the present invention, the first convex hull 13 and the third convex hull 15 have the same height and form a concentric outer ring convex hull structure, the second convex hull 14 and the fourth convex hull 16 have the same height and form a concentric inner ring convex hull structure, and the outer ring convex hull structure and the inner ring convex hull structure are arranged in a circumferentially staggered manner; and the protruding height of the outer ring convex hull structure is greater than that of the inner ring convex hull structure.
The lower valve body 20 of the embodiment of the invention comprises a housing 21, the housing 21 is provided with a hollow cavity with an open top, a separating rib plate 22 is arranged in the hollow cavity of the housing 21, the separating rib plate 22 separates the hollow cavity of the housing 21 to form four sub-cavities surrounding the periphery of a shaft hole of the lower valve body, namely a fifth sub-cavity 5a, a sixth sub-cavity 6a, a seventh sub-cavity 7a and an eighth sub-cavity 8a, and the bottom of the housing 21 is provided with a fifth external interface 5b, a sixth external interface 6b, a seventh external interface 7b and an eighth external interface 8b which are respectively and correspondingly communicated with the fifth sub-cavity 5a, the sixth sub-cavity 6a, the seventh sub-cavity 7a and the eighth sub-cavity 8 a.
The fifth sub-cavity 5a, the sixth sub-cavity 6a, the seventh sub-cavity 7a and the eighth sub-cavity 8a respectively comprise an arc section and a radial taper section which are communicated with each other and surround the axial center, wherein the arc section 231 of the fifth sub-cavity 5a and the eighth sub-cavity 8a is respectively located at the radial inner end of the radial taper section 241, the arc section 232 of the sixth sub-cavity 6a and the seventh sub-cavity 7a is respectively located at the radial outer end of the radial taper section 242, the fifth external interface 5b is arranged on the arc section 231 of the fifth sub-cavity 5a, the sixth external interface 6b and the seventh external interface 7b are respectively arranged on the arc sections 232 of the sixth sub-cavity 6a and the seventh sub-cavity 7a, and the eighth external interface 8b is arranged on the radial taper section 241 of the eighth sub-cavity 8 a.
In this embodiment, the axial projection surfaces formed by the first sub-cavity 1a on the valve disc 30 are partially overlapped with the axial projection surfaces formed by the sixth sub-cavity 6a and the seventh sub-cavity 7a on the valve disc 30, respectively, and two arc-shaped partially overlapped surfaces are formed; axial projection surfaces formed by the third sub-cavity 3a on the valve disc 30 are respectively overlapped with axial projection surfaces formed by the sixth sub-cavity 6a, the seventh sub-cavity 7a and the fifth sub-cavity 5a on the valve disc 30, and three arc-shaped partial overlapped surfaces are formed; axial projection surfaces formed by the second sub-cavity 2a on the valve disc 30 are partially overlapped with axial projection surfaces formed by the fifth sub-cavity 5a and the eighth sub-cavity 8a on the valve disc 30 respectively to form two conical partially overlapped surfaces; the axial projection surfaces formed by the fourth sub-cavity 4a on the valve disc 30 are partially overlapped with the axial projection surfaces formed by the fifth sub-cavity 5a, the sixth sub-cavity 6a and the eighth sub-cavity 8a on the valve disc 30 respectively, and three partially overlapped surfaces in a conical shape can be formed.
In this embodiment, be equipped with four valve disc runner mouths on the valve disc 30, be first valve disc runner mouth 31A respectively, second valve disc runner mouth 31B, third valve disc runner mouth 31C and fourth valve disc runner mouth 31D, wherein second valve disc runner mouth 31B and fourth valve disc runner mouth 31D are the part that is the toper coincidence face matched with toper mouth, first valve disc runner mouth 31A and third valve disc runner mouth 31C are the part that is the toper coincidence face matched with arc mouth, two cone mouths, two arc mouths all centrosymmetrically set up in the shaft hole outside of valve disc, and two cone mouths, the setting of staggering along circumference of two arc mouths.
When the multi-way valve of an embodiment of the present invention has multiple operating positions, there are four different coolant passages in each operating position; for example, when the valve is in the first working position, the first external interface 1B of the upper valve body, the first sub-cavity 1A, the first valve disc flow port 31A of the valve disc 30, the sixth sub-cavity 6a of the lower valve body, and the sixth external interface tube 6B are sequentially communicated to form a cooling medium passage, the second external interface 2B of the upper valve body, the second sub-cavity 2a, the second valve disc flow port number 31B of the valve disc, the fifth sub-cavity 5a of the lower valve body, and the fifth external interface 5B are sequentially communicated to form a cooling medium passage, the third external interface 3B of the upper valve body, the third sub-cavity 3a, and the third flow port 31C of the valve disc 30 are sequentially communicated with the seventh sub-cavity 7a and the seventh external interface 7B of the lower valve body to form a cooling medium passage, and the fourth external interface 4B of the upper valve body, the fourth sub-cavity, the fourth flow port 31D of the valve disc 30, the eighth sub-cavity 8a and the eighth external interface 8B of the lower valve disc are sequentially communicated to form a cooling medium passage;
when the valve is at the second working position, the first external interface 1B of the upper valve body, the first sub-cavity 1A, the first valve disc flow port 31A of the valve disc 30, the seventh sub-cavity 7a of the lower valve body and the seventh external interface 7B are sequentially communicated to form a cooling medium passage, the second external interface 2B of the upper valve body, the second sub-cavity 2a, the second valve disc flow port 31B of the valve disc 30, the eighth sub-cavity 8a of the lower valve body and the eighth external interface 8B are sequentially communicated to form a cooling medium passage, the third external interface 3B of the upper valve body, the third sub-cavity 3a, the third disc flow port 31C of the valve disc 30, the sixth sub-cavity 6a and the sixth external interface 6B of the lower valve body are sequentially communicated to form a cooling medium passage, and the fourth external interface 4B of the upper valve body, the fourth sub-cavity 4a, the fourth valve disc flow port 31D of the valve disc 30, the fifth sub-cavity 5a and the fifth external interface 5B of the lower valve body are sequentially communicated to form a cooling medium passage;
in the third working device, the first external interface 1B of the upper valve body, the first sub-cavity 1A, the first valve disc flow port 31A of the valve disc 30, the seventh sub-cavity 7a of the lower valve body, and the seventh external interface 7B are sequentially communicated to form a cooling medium passage, the second external interface 2B of the upper valve body, the second sub-cavity 2a, the second valve disc flow port 31B of the valve disc 30, the eighth sub-cavity 8a of the lower valve body, and the eighth external interface 8B are sequentially communicated to form a cooling medium passage, the third external interface 3B of the upper valve body, the third sub-cavity 3a, the third disc flow port 31C of the valve disc 30, the fifth sub-cavity 5a of the lower valve body, and the fifth external interface 5B are sequentially communicated to form a cooling medium passage, and the fourth external interface 4B of the upper valve body, the fourth sub-cavity 4a, the fourth valve disc flow port 31D of the valve disc 30, the sixth sub-cavity 6a of the lower valve body, and the sixth external interface 6B are sequentially communicated to form a cooling medium passage.
In this embodiment, the upper sealing member 41 is disposed between the valve disc 30 and the upper valve body 10, the lower sealing member 42 is disposed between the valve disc 30 and the lower valve body 20, the upper sealing member 41 has a sealing flow passage opening corresponding to the first sub-cavity 1a, the second sub-cavity 2a, the third sub-cavity 3a and the fourth sub-cavity 4a one to one, the lower sealing member 42 has a sealing flow passage opening corresponding to the fifth sub-cavity 5a, the sixth sub-cavity 6a, the seventh sub-cavity 7a and the eighth sub-cavity 8a one to one, in this embodiment, the end surfaces of the upper sealing member 41 and the lower sealing member 42 facing the valve disc 30 are both flat surfaces and form surface contact with the valve disc 30, the end surface of the upper sealing member 41 facing one side of the upper valve body is provided with a flange 411, the end surface of the lower sealing member 42 facing one side of the lower valve body is provided with a plurality of positioning protrusions 421, the sealing end surface of the independent cavity of the upper valve body 10 is provided with a plurality of positioning holes 25, the flange 411 of the upper sealing member 41 is embedded into the annular clamping groove, and the positioning holes 421 of the lower sealing member 42 are all embedded into the positioning holes 25 one to one. In practical applications, the sealing profiles of other structures, such as an inclined surface fit and a curved surface fit, can be adopted between the upper sealing member 41 and/or the lower sealing member 42 and the valve disc 30 and between the sealing end surfaces of the two independent cavities.
An axial mounting hole 26 is formed in the sealing end face of the independent cavity of the lower valve body 20, a spring 27 is arranged in the axial mounting hole 26, one axial end of the spring 27 is abutted against the bottom of the axial mounting hole 26, and the other axial end of the spring is abutted against the lower sealing element 42; the spring 27 can apply a certain pressing force to the lower seal 42, the valve disc 30 and the upper seal 41, thereby ensuring a floating sealing effect.
According to another preferable technical scheme of the embodiment of the invention, the valve disc rotating mechanism further comprises a speed reducing motor 51 and a driving gear 52, the speed reducing motor 51 is fixedly arranged in a motor base 17 of the valve cover 12, a motor cover plate 18 is arranged at the top of the motor base 17, a power output shaft of the speed reducing motor 51 extends into an inner cavity of the valve body and is in shaft connection with the driving gear 52, a tooth-shaped surface 32 is arranged on the periphery of the valve disc 30, and the driving gear 52 is in meshing transmission connection with the tooth-shaped surface 32 of the valve disc; the speed reducing motor 51 is operated, and the power output shaft thereof drives the driving gear 52 to rotate, so that the driving gear 52 drives the valve disc 30 to rotate.
In the embodiment of the present invention, the tooth-shaped surface 32 is only disposed on the half circumference of the valve disc 30; in practical applications, the tooth-shaped surface 32 may be configured as a quarter circle (i.e. 90 ° circle), a three-quarter circle (i.e. 270 ° circle) or any other angle circle of the valve disc 30, and may also form a closed outer ring gear on the complete outer periphery of the valve disc 30.
The valve disc 30 is provided with a limit bump 33 which protrudes out of the outer circumferential surface of the valve disc 30 along the radial direction, the cavity wall of the inner cavity of the valve body is provided with a limit stop pin 34, the limit stop pin 34 is positioned in the rotating circumferential path of the limit bump 33 of the valve disc 30, and the limit stop pin 34 can abut against the radial protruding side 33a of the limit bump 33; in this embodiment, the limiting protrusions 33 are disposed at the outer sides of the two ends of the semicircular tooth-shaped surface 32 on the periphery of the valve disc 30, so that the effective circumferential blocking and limiting effect can be exerted on the rotation of the valve disc 30, and the tooth-shaped separation between the gear ring 32 and the driving gear 52 caused by the excessive rotation of the valve disc 30 is avoided.
The rotating mechanism of the embodiment of the invention further comprises a position sensor 53 arranged on the valve body, and the position sensor 53 is arranged on the top of the valve cover 12 in the embodiment.
The upper sealing element 41 and the lower sealing element 42 are both made of wear-resistant waterproof materials, so that the service life of the sealing elements can be prolonged, and the sealing effect is guaranteed.
The wear-resistant waterproof material is preferably a PTFE material, and the PTFE material and the rubber material can also be formed into an integrated composite material through vulcanization treatment.
In the present embodiment, the upper sealing member 41 and the lower sealing member 42 are both integrally formed; in practical application, the upper sealing element 41 and the lower sealing element 42 may be fabricated on the sealing end face of the upper independent cavity and the sealing end face of the lower independent cavity by split machining and splicing; fig. 18 is a schematic structural diagram of the upper sealing member 41 of a split structure, which forms a single sealing member for each sealing port, that is, the upper sealing member 41-1 with the sealing port 1c, the upper sealing member 41-2 with the sealing port 2c, the upper sealing member 41-3 with the sealing port 3c, and the upper sealing member 41-4 with the sealing port 4c, and the split structure is assembled to the sealing end face of the valve cover 12 in application; according to application requirements, the sealing element can be subjected to split processing by adopting any cutting and splitting mode, and only the sealing runner mouths formed after splicing and assembling are ensured to be communicated with the corresponding sub-cavities in a matching manner; similarly, the lower sealing member 42 may be configured as a separate structure, which is not described in detail.
Example two:
the difference between this embodiment and the first embodiment lies in that it does not set up axial mounting hole 26 and spring 27 on the valve body down, but has seted up a plurality of pressure release holes 35 on the valve disc 30, see fig. 17, the effect of effective balanced valve disc 30 both sides coolant pressure can be played in the setting of pressure release hole 35, guarantee the floating seal effect, thereby avoid valve disc 30 because of the different and frictional force between certain one side sealing member that cause of both sides coolant pressure great, increase the problem of wearing and tearing, and then can prolong the life of valve disc 30 and sealing member.
The detailed description of the embodiments of the present invention is provided above, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the invention shall fall within the scope of the patent coverage of the present invention.
Claims (20)
1. A multi-way valve, which comprises a valve body with an inner cavity, is characterized in that: the valve disc that can wind valve body axial rotation is provided with in the inner chamber of valve body, just the valve disc will the inner chamber of valve body separates along the axial and forms upper and lower two independent cavities, every all be formed with a plurality of sub-cavities that do not communicate each other in the independent cavity, every sub-cavity all is equipped with the outside interface that can be connected with external pipeline at the axial tip of the corresponding side of valve body, form floating sealing connection between the independent cavity of an axial both sides of valve disc respectively through a sealing member and both sides, be provided with the sealed flow channel mouth that communicates with the sub-cavity cooperation of corresponding one side on the sealing member, every the sub-cavity, locate the outside interface on this sub-cavity and the sealed flow channel mouth that communicates with this sub-cavity cooperation form a cooling medium runner, the valve disc has seted up a plurality of axial through's valve disc flow channel mouth on the valve disc, the valve disc flow channel mouth can be located the cooling medium runner intercommunication in upper and lower two independent cavities respectively and form the cooling medium passageway in another independent cavity, thereby control is located arbitrary cooling medium runner in arbitrary independent cavity in the position of each flow channel on the valve disc in circumference through rotating the valve disc can be adjusted.
2. A multi-way valve according to claim 1, wherein: each sub-cavity in each independent cavity forms an axial projection surface on the valve disc; the axial projection surface of any sub-cavity of any independent cavity is at least partially overlapped with the axial projection surfaces of two sub-cavities of another independent cavity to form a corresponding partial overlapped surface, and the shape of the opening of the valve disc runner port on the valve disc corresponds to the shape of the partial overlapped surface; when any valve disc flow passage opening of the valve disc rotates to be axially opposite to a part of the superposed surface, the two sub-cavities forming the part of the superposed surface are communicated through the valve disc flow passage opening and form the cooling medium passage.
3. A multi-way valve according to claim 1 or 2, wherein: and the sealing profiles matched with each other are arranged between the sealing piece and the sealing end surface of the independent cavity and between the sealing piece and the axial disc surface of the valve disc.
4. A multi-way valve according to claim 3, wherein: the sealing member orientation one side of valve disc is equipped with the arch for plane or inclined plane or curved surface, the side of the independent cavity of orientation, be equipped with on the axial seal terminal surface of independent cavity with the protruding hole groove that corresponds, form the fitting surface contact between one side plane or inclined plane or curved surface of sealing member and the axial quotation of valve disc, the arch on the another side is connected with the hole groove cooperation on the axial seal terminal surface of independent cavity.
5. A multi-way valve according to claim 3, wherein: the axial sealing end face of the upper independent cavity or the lower independent cavity is provided with an axial mounting hole, a spring is arranged in the axial mounting hole, and one axial end of the spring is abutted against the bottom of the axial mounting hole and the other axial end of the spring is abutted against a sealing piece located on one side of the independent cavity.
6. A multi-way valve according to claim 3, wherein: and the valve disc is provided with pressure relief holes which penetrate axially.
7. A multi-way valve according to claim 1 or 2, wherein: the seal is made of a wear resistant and waterproof material.
8. A multi-way valve according to claim 7, wherein: the seal is made of a PTFE material.
9. A multi-way valve according to claim 7, wherein: the sealing element comprises a PTFE layer and a rubber layer, wherein the PTFE layer and the rubber layer are integrated through vulcanization treatment.
10. A multi-way valve according to claim 1 or 2, wherein: the valve disc rotating mechanism comprises a speed reducing motor and a driving gear, the speed reducing motor is fixedly mounted on the valve body, a power output shaft of the speed reducing motor extends into an inner cavity of the valve body and is in shaft connection with the driving gear, a toothed surface is arranged on the periphery of the valve disc, and the driving gear is in meshing transmission connection with the toothed surface of the valve disc.
11. A multi-way valve according to claim 10, wherein: the rotating mechanism further comprises a position sensor, and the position sensor is arranged on the valve body.
12. A multi-way valve according to claim 1 or 2, wherein: the valve disc is provided with a limiting convex block protruding out of the circumferential surface of the valve disc along the radial direction, a limiting stop pin is arranged on the cavity wall of the inner cavity of the valve body and located in the rotating circumferential path of the limiting convex block of the valve disc, and the limiting stop pin can be abutted against the radial convex side surface of the limiting convex block.
13. A multi-way valve according to claim 1 or 2, wherein: the valve body includes valve body and lower valve body, the bottom of going up the valve body is equipped with the center pin, lower valve body, valve disc, sealing member all be equipped with the corresponding shaft hole of center pin, go up the valve body and connect firmly integratively with lower valve body, just the center pin axial of going up the valve body runs through the shaft hole of shaft hole, the shaft hole of sealing member of valve disc and stretches into in the shaft hole of valve body down.
14. A multi-way valve according to claim 13, wherein: go up independent cavity, lower independent cavity and equally divide and do not be equipped with four sub-cavities, four valve disc runner mouths have been seted up on the valve disc.
15. A multi-way valve according to claim 14, wherein: the upper valve body comprises a valve cover, four annular convex hulls are formed on the valve cover around the central shaft, each annular convex hull is provided with a hollow cavity with an open bottom, and each middle cavity forms a sub cavity positioned in an upper independent cavity; the four annular convex hulls are respectively a first convex hull, a second convex hull, a third convex hull and a fourth convex hull, the sub cavities corresponding to each convex hull are respectively a first sub cavity, a second sub cavity, a third sub cavity and a fourth sub cavity, the second convex hull and the fourth convex hull are concentrically arranged on the outer peripheral side of the central shaft, the first convex hull and the third convex hull are concentrically arranged on the periphery of the second convex hull and the periphery of the fourth convex hull, and a corresponding first external interface, a corresponding second external interface, a corresponding third external interface and a corresponding fourth external interface are respectively arranged on the first convex hull, the second convex hull, the third convex hull and the fourth convex hull.
16. A multi-way valve according to claim 15, wherein: the first convex hull and the third convex hull are equal in height and form a concentric outer ring convex hull structure, the second convex hull and the fourth convex hull are equal in height and form a concentric inner ring convex hull structure, and the protruding height of the outer ring convex hull structure is larger than that of the inner ring convex hull structure.
17. A multi-way valve according to claim 16, wherein: the shell has open-top cavity, be equipped with the separation gusset in the cavity of shell, it is formed with four around the shaft hole periphery of valve body under with the cavity separation of shell to separate the gusset fifth sub-cavity, sixth sub-cavity, seventh sub-cavity and eighth sub-cavity respectively, the bottom of shell is equipped with fifth external interface, sixth external interface, seventh external interface and the eighth external interface that corresponds the intercommunication with fifth sub-cavity, sixth sub-cavity, seventh sub-cavity and eighth sub-cavity respectively.
18. A multi-way valve according to claim 17, wherein: the fifth sub-cavity, the sixth sub-cavity, the seventh sub-cavity and the eighth sub-cavity equally divide and do not include the arc section and the radial toper section around axial center that communicate each other, wherein the arc section of fifth sub-cavity and eighth sub-cavity is located the radial medial extremity of radial toper section respectively, the arc section of sixth sub-cavity, seventh sub-cavity is located the radial outside end of its radial toper section respectively, fifth external interface, sixth external interface, seventh external interface locate respectively on the arc section of fifth sub-cavity, sixth sub-cavity, seventh sub-cavity, eighth external interface locates on the radial toper section of eighth sub-cavity.
19. A multi-way valve according to claim 18, wherein: four valve disc runner mouths on the valve disc are first valve disc runner mouth, second valve disc runner mouth, third valve disc runner mouth and fourth valve disc runner mouth respectively, wherein second valve disc runner mouth and fourth valve disc runner mouth are the toper mouth first valve disc runner mouth and third valve disc runner mouth are the arc mouth, and two toper mouths, two equal centrosymmetric ground of arc mouth set up in the shaft hole outside of valve disc, and two toper mouths, two arc mouths set up along circumference staggering.
20. A multi-way valve according to claim 19, wherein: the sealing member includes sealing member and lower sealing member, go up the sealing member set up in between valve disc and the last valve body, down the sealing member set up in between valve disc and the lower valve body, go up the sealing member have with the sealed flow crossing of first sub-cavity, second sub-cavity, third sub-cavity and fourth sub-cavity one-to-one, down the sealing member have with the sealed flow crossing of fifth sub-cavity, sixth sub-cavity, seventh sub-cavity and eighth sub-cavity one-to-one, go up sealing member, lower sealing member respectively towards a side end face of valve disc is the plane, go up the sealing member orientation the terminal surface of going up valve body one side is equipped with the flange down the sealing member orientation be equipped with a plurality of location archs down on the terminal surface of valve body one side, it is equipped with ring groove to go up the valve body, the valve body is equipped with a plurality of locating holes down, the flange gomphosis of going up the sealing member goes into in the ring groove, a plurality of locating archs gomphosis of lower sealing member go up the protruding homonymy gomphosis of one-to go into in the locating hole.
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