CN115325212A - Six-way water valve of vehicle thermal management system - Google Patents
Six-way water valve of vehicle thermal management system Download PDFInfo
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- CN115325212A CN115325212A CN202210915324.2A CN202210915324A CN115325212A CN 115325212 A CN115325212 A CN 115325212A CN 202210915324 A CN202210915324 A CN 202210915324A CN 115325212 A CN115325212 A CN 115325212A
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- valve
- water inlet
- water outlet
- water
- valve core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 238000007789 sealing Methods 0.000 claims abstract description 99
- 230000003068 static effect Effects 0.000 claims description 22
- 210000003205 muscle Anatomy 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 17
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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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
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
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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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/026—Means in valves for absorbing fluid energy for preventing water-hammer or noise preventing noise in a single handle mixing valve
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a six-way water valve of a vehicle thermal management system. The water inlet valve comprises a valve body, a cylindrical valve core, a valve core shaft, a sealing gasket, a valve cover and an actuator, wherein two water inlet pipes and four water outlet pipes are connected to the valve body, the two water inlet pipes are coaxially arranged, the four water outlet pipes are symmetrically distributed on two sides of the axis of the water inlet pipes, a water outlet and two arc-shaped flow passages are formed in the cylindrical valve core, and the actuator drives the valve core shaft to move to drive the cylindrical valve core to rotate to control the on-off between the water outlet and the arc-shaped flow passages and between the water inlet pipes and the water outlet pipes. The valve body, the cylindrical valve core and the sealing gasket are reasonably designed and are matched with each other, so that the action torque of the valve body is reduced while the sealing performance is ensured, and the abrasion of a sealing friction pair is further reduced.
Description
Technical Field
The invention belongs to the technical field of automobile thermal management systems, and particularly relates to a six-way water valve of an automobile thermal management system.
Background
The existing valve device of the automobile heat management system mostly adopts a plurality of valve devices with few passages (two, three and four) to form a cooling loop, and has high part cost, complex control and scattered layout. In recent years, a multi-way valve with higher valve integration degree is replaced, wherein a cylindrical valve core product is mature, but the valve body has the defects of large load torque (larger than 2 N.m), difficult control of internal leakage sealing performance and the like.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provide the six-way water valve of the vehicle thermal management system, which has the advantages of smaller torque, simple control and better internal leakage sealing performance.
The technical scheme adopted by the invention is as follows: a sealing gasket for a valve comprises a valve body, a cylindrical valve core, a valve core shaft, a sealing gasket, a valve cover and an actuator, wherein the valve cover is arranged at the top of the valve body; the valve body is connected with two water inlet pipes and four water outlet pipes, the two water inlet pipes are coaxially arranged, the four water outlet pipes are symmetrically distributed on two sides of the axis of the water inlet pipe, the cylindrical valve core is provided with a water outlet and two arc-shaped flow channels, and the actuator drives the valve core shaft to act to drive the cylindrical valve core to rotate to control the on-off between the water outlet and the arc-shaped flow channels and between the water inlet pipes and the water outlet pipes.
Furthermore, the two water inlet pipes are respectively a first water inlet pipe and a second water inlet pipe, included angles between the axes of the two adjacent water outlet pipes and included angles between the axes of the water outlet pipes and the axes of the two adjacent second water inlet pipes are the same, and the distance between two ends of the arc-shaped flow channel is the same as the distance between two farthest points on the pipe orifices of the two adjacent water outlet pipes.
Furthermore, the two sides of the inner wall of the valve body, which are positioned at the orifice of the first water inlet pipe, are respectively provided with a limit stop, and the limit stops are matched with the two sides of the notch on the sealing pad.
Furthermore, the sealing gasket is of a circular ring structure, and a notch which penetrates through the sealing gasket from top to bottom is formed in the position, corresponding to the pipe orifice of the first water inlet pipe, of the sealing gasket in the axial direction.
Furtherly, it has the via hole to open with the outlet pipe mouth of pipe and the corresponding position of second inlet tube mouth of pipe on the gasket, first protruding muscle and the protruding muscle of second distribute around the via hole, and the distance between the adjacent via hole is d, and the one side that the via hole that is located the edge is close to the breach is equipped with transition portion, and transition portion area is the same with the via hole area, and the distance between transition portion and the edge via hole is d, and transition portion distributes all around has first protruding muscle and the protruding muscle of second.
Furthermore, the thickness of the dynamic sealing layer at the position other than the second convex rib is 0.3-0.5 mm.
Furthermore, a groove is formed in the position, which is not located on the first convex rib, on the outer side surface of the static sealing layer.
Furthermore, the static sealing layer is made of EPDM.
Furthermore, the dynamic sealing layer is made of PTFE.
Furthermore, a fan-shaped first limiting boss is arranged on the end face of one end, far away from the valve core shaft, of the cylindrical valve core, a second limiting boss is arranged on the inner wall, matched with one end of the cylindrical valve core, of the valve body, and the total stroke angle of the cylindrical valve core is controlled through the matching of the first limiting boss and the second limiting boss.
The invention has the beneficial effects that:
the dynamic sealing layer and the static sealing layer of the sealing gasket are arranged at intervals by adopting a multi-convex-rib mode, and form a double-line or more-line sealing structure when the sealing gasket is in contact sealing with the valve body and the valve core, so that the structure is simple, the internal leakage sealing performance is better, and the torque of the valve body is smaller; meanwhile, the inner layer and the outer layer of the sealing gasket are adhered together through compression molding, the dynamic sealing layer is made of a material with a low friction coefficient and is matched with the valve core to move relatively to form dynamic sealing, and the wear-resisting performance is good.
The internal leakage performance of the invention is composed of a valve body, a valve core and a double-line sealing gasket structure, and the arrangement of double convex ribs inside and outside the gasket reduces the action torque of the valve body while ensuring the sealing performance so as to reduce the abrasion of a sealing friction pair (dynamic sealing layer), the load torque of the valve body is only about 1/3 of that of the traditional sealing structure, the phase change can improve the service life of high products, and the noise is also reduced; the valve body is designed integrally, so that the assembly cost of the pipe orifice and the valve body is reduced; the double-arc-shaped flow passage on the cylindrical valve core is matched with the valve body water pipe, and the double-arc-shaped flow passage water pipe has a simple structure, is convenient to operate and is easy to realize. The valve body, the cylindrical valve core and the sealing gasket are reasonably designed and are matched with each other, the valve device is more integrated, the system pipeline layout can be reduced, the number of actuators is reduced from 1 to 1, the control is simplified from complexity, and the overall cost is greatly reduced.
Drawings
Fig. 1 is a schematic perspective view of a six-way water valve according to the present invention.
Fig. 2 is an exploded view of the six-way water valve of the present invention.
FIG. 3 is a schematic structural view of a six-way water valve body according to the present invention.
Fig. 4 is a schematic structural diagram of a cylindrical valve core of a six-way water valve.
Fig. 5 is a schematic structural diagram of the six-way water valve sealing gasket.
FIG. 6 is a cross-sectional view of the position of a rib on a sealing gasket of the six-way water valve of the present invention.
Fig. 7 is a schematic view of a gasket static seal layer of the present invention.
FIG. 8 is a schematic view of a sealing gasket layer of the present invention.
FIG. 9 is a schematic view of the six-way water valve of the present invention in mode 1.
FIG. 10 is a schematic view of the six-way water valve of the present invention in mode 2.
FIG. 11 is a schematic view of the six-way water valve of the present invention in mode 3.
FIG. 12 is a schematic view of the six-way water valve of the present invention in mode 4.
In the figure: 1-a valve body; 1.1-a second limit boss; 1.2-pin hole; 1.3-limit stop; 2-a cylindrical valve core; 2.1-a first limit boss; 2.2-pin shaft; 3-a sealing gasket; 4-valve cover; 5-an actuator; 6-water inlet pipe; 6.1-a first water inlet pipe; 6.2-a second water inlet pipe; 7-a water outlet pipe; 8-water outlet; 9-an arc-shaped flow passage; 10-a first rib; 11-a second rib; 12-a notch; 13-via holes; 14-a transition portion; 15-grooves; 16-X shaped ring; 17-O-ring; (ii) a 7.1-first outlet pipe; 7.2-a second water outlet pipe; 7.3-a third water outlet pipe; 7.4-a fourth water outlet pipe; 18-the spool shaft; 19-static sealing layer; 20-moving the sealing layer; 21-axis; 22-axis.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-8, the invention provides a six-way water valve of a vehicle thermal management system, which comprises a valve body 1, a cylindrical valve core 2, a valve core shaft 18, a sealing gasket 3, a valve cover 4 and an actuator 5, wherein the valve cover 4 is installed at the top of the valve body 1, the cylindrical valve core 2 is installed inside the valve body 1, the outer side surface of the sealing gasket 3 is in sealing fit with the inner wall of the valve body 1, the inner side surface of the sealing gasket 3 is in sealing fit with the outer wall of the cylindrical valve core 2, one end of the valve core shaft 18 is fixed at the top of the cylindrical valve core 2, the other end of the valve core shaft penetrates through the valve cover 4 to be fixedly connected with the actuator 5, the valve body 1 is connected with two water inlet pipes 6 and four water outlet pipes 7, the two water inlet pipes 6 are coaxially arranged, the axes of the two water inlet pipes 6 are intersected with the axis of the valve body, the four water outlet pipes 7 are symmetrically arranged at two sides of the axis of the water inlet pipe 6, the cylindrical valve core 2 is provided with a water outlet 8 and two arc-shaped flow passages 9, and the actuator 5 drives the valve core shaft 18 to rotate to control the on-off between the water outlet 8 and the arc-off between the water inlet pipes 6 and the water outlet pipe 7.
In the above scheme, the two water inlet pipes 6 are a first water inlet pipe 6.1 and a second water inlet pipe 6.2, the four water outlet pipes 7 are a first water outlet pipe 7.1, a second water outlet pipe 7.2, a third water outlet pipe 7.3 and a fourth water outlet pipe 7.4, respectively, the included angles between the axes 21 of the two adjacent water outlet pipes (such as the first water outlet pipe 7.1 and the second water outlet pipe 7.2, and the third water outlet pipe 7.3 and the fourth water outlet pipe 7.4), between the axes 21 of the second water outlet pipe 7.2 and the axes 22 of the two adjacent second water inlet pipes 6.2, and between the axes of the third water outlet pipes 7.2 and the axes of the two adjacent second water inlet pipes are the same, and the distance between two ends of the arc-shaped flow passage 9 located on the same cross section (and the cross section parallel to the radial direction of the cylindrical valve core) is the same as the distance between the farthest points on the pipe mouths of the two adjacent water outlet pipes 7, so that when the arc-shaped flow passage 9 rotates to a certain angle, the pipe mouth of exactly one water inlet pipe 6 and the pipe 7 are covered.
In the scheme, the two sides of the inner wall of the valve body 1, which are positioned at the pipe orifice of the first water inlet pipe 6.1, are respectively provided with the limit stop 1.3, and the limit stop 1.3 is in fit contact with the two sides of the notch 12 on the sealing gasket 3. By arranging the limit stop 1.3, the sealing gasket 3 can be ensured not to change position along with the rotation of the cylindrical valve core 2 in the rotation process of the cylindrical valve core 2.
In the above scheme, be equipped with sectorial first spacing boss 2.1 and round pin axle 2.2 on the cylinder case 2 one end terminal surface of keeping away from case axle 18, be equipped with second spacing boss 1.1 and pinhole 1.2 on the valve body 1 inner wall with cylinder case 2 one end complex, through the total stroke angle of first spacing boss 2.1 with the cooperation control cylinder case 2 of second spacing boss 1.1, through the cooperation location of round pin 1.2 with round pin axle 2.2, eccentric aversion when can avoiding cylinder case 2 to rotate. When starting point position promptly, the spacing boss 1.1 of second one side laminating of first spacing boss 2.1, when cylinder case 1 rotated to the terminal point position, the spacing boss 1.1 opposite side laminating of second opposite side of first spacing boss 2.1, through the angle between two spacing boss both sides of rational design, can realize the big or small control of the total rotation angle of cylinder case 2.
In the above scheme, the sealing gasket 3 includes a static sealing layer 19 and a dynamic sealing layer 20, the dynamic sealing layer 20 is attached to the inner side surface of the static sealing layer 19, a plurality of first protruding ribs 10, preferably two or three, are arranged at intervals at positions on the outer side surface of the static sealing layer 19, which are used for being in contact with the inner wall of the valve body 1, and a plurality of second protruding ribs 11, preferably two or three, are arranged at intervals at positions on the inner wall of the dynamic sealing layer 20, which are used for being in contact with the outer wall of the cylindrical valve core 2. The static sealing layer 19 forms a multiple line sealing structure through the contact of the two first convex ribs 10 and the inner wall of the valve body 1, the dynamic sealing layer 20 forms a multiple line sealing structure through the contact of the two second convex ribs 11 and the outer wall of the cylindrical valve core 2, and the sealing reliability is effectively improved through the double line sealing structure of the inner layer and the outer layer between the valve body 1 and the cylindrical valve core 2.
In the above scheme, sealed the breach 12 that runs through from top to bottom that corresponds the position and be equipped with the mouth of pipe of first inlet tube 6.1 on 3, the setting of breach 12 can guarantee no matter what kind of angle cylindrical valve core 2 changes, first inlet tube 6.1 can both communicate with cylindrical valve core inner space, sealed the corresponding position with the mouth of pipe of outlet pipe 7 and the mouth of pipe of second inlet tube 6.2 on 3 has opened via hole 13, first protruding muscle 10 and second protruding muscle 11 distribute around via hole 13, through first protruding muscle 10 and second protruding muscle 11 with the interval disconnection of adjacent water pipe, distance between the adjacent via hole 13 is d, the one side that the via hole that is located the edge is close to the breach is equipped with transition portion 14, transition portion 14 area is the same with the via hole area, the distance between transition portion 14 and the via hole at edge is d, transition portion 14 distributes all around has first protruding muscle 10 and second protruding muscle 11, the transition portion 14 and the transition portion protruding muscle all around of transition portion that sets up can avoid when cylindrical valve core 2 is in 0 degree or rotatory maximum angle, first outlet tube 6.1 communicates with cylindrical valve core 2 inside through arc 9.4 or the fourth transition portion through arc 9.4, the sealed performance of the valve core can be improved whole through the plane and the sealed runner or the outlet pipe is the sealed runner is the whole is passed through the plane and is passed through the hole.
The side surface of the static sealing layer 19, which is in contact with the dynamic sealing layer 20, may be a smooth arc surface, or may be an irregular arc surface in a concave-convex fit. When the sealing surface is a smooth arc surface, the inner side of the static sealing layer 19 and the outer side of the dynamic sealing layer 20 are both arc surfaces, such as arc surfaces; when the sealing layer is an irregular arc surface, a convex triangular part may be arranged at a position corresponding to the first rib 10 on the inner side of the static sealing layer 19, and at this time, a concave part matched with the triangular part is arranged on the outer side of the dynamic sealing layer 20, and the second rib 11 is formed on the inner side, which is shown in this embodiment, as shown in fig. 6.
In the scheme, the first convex rib 10 is of a circular convex structure and forms a seal with the inner side wall surface of the valve body 1, the seal mode is static seal, the circular convex structure can improve the support performance, and the permanent deformation of one side caused by the durable process is avoided, so that the seal performance is not influenced; the protruding muscle 11 of second is V type structure, forms sealedly with 2 outside wall faces of cylinder case, and sealed mode is rotatory dynamic seal, provides higher sealed specific pressure than the same decrement of circular structure under the V type structure, and sealing performance is better, and the top rounding off of V type structure simultaneously, and non-closed angle can increase sealing performance and can improve the support nature of sealed muscle again.
In the scheme, when the static sealing layer and the dynamic sealing layer are both smooth cambered surfaces, the thickness of the second convex rib position of the dynamic sealing layer is greater than that of the position which is not provided with the second convex rib; when the side surface of the static sealing layer, which is in contact with the dynamic sealing layer, is an irregular arc surface which is matched with the dynamic sealing layer in a concave-convex mode, the thicknesses of all parts on the dynamic sealing layer are the same. Therefore, no matter the dynamic sealing layer has various structures, the thickness of the dynamic sealing layer at the position other than the second convex rib is limited to be 0.2-0.6 mm, preferably 0.3mm, 0.4mm and 0.5mm, and the proper thickness can reduce the cost on the basis of ensuring the sealing performance.
In the above scheme, the outer side surface of the static sealing layer 19 is provided with the grooves 15 at a plurality of positions on the non-first convex rib 10, and the grooves 15 are designed to reduce the filling rate of the sealing gasket between the valve body and the cylindrical valve core and prevent the risk of large torque of the valve body at high temperature.
In the scheme, the static sealing layer 19 is made of EPDM, the dynamic sealing layer 20 is made of PTFE, the static sealing layer and the dynamic sealing layer are adhered together through compression molding, the friction coefficient of the PTFE material is low, the PTFE material and the valve core move relatively to form a dynamic seal, and the wear resistance is good.
As shown in fig. 9-12, the present invention is a mode of conduction between different water pipes when the cylindrical valve core 2 is rotated to different angles.
Fig. 9 shows a schematic position diagram of the cylindrical valve element 2 at 0 degree in mode 1, in which a first water inlet pipe 6.1 is communicated with a first water outlet pipe 7.1 through a water outlet 8 on the cylindrical valve element, and the cooling liquid enters an inner cavity of the valve body through the first water inlet pipe 6.1 and then flows out through the first water outlet pipe 7.1; the second water inlet pipe 6.2 is communicated with the second water outlet pipe 7.2 through one of the arc-shaped flow passages 9, and the third water outlet pipe 7.3 and the fourth water outlet pipe 7.4 are blocked.
Fig. 10 shows a mode 2 in which the cylindrical valve element 2 rotates 40 degrees, in which a first water inlet pipe 6.1 is communicated with a second water outlet pipe 7.2 through a water outlet 8 on the cylindrical valve element, and the coolant enters the inner cavity of the valve body through the first water inlet pipe 6.1 and then flows out through the second water outlet pipe 7.2; the second water inlet pipe 6.2 is communicated with the third water outlet pipe 7.3 through one of the arc-shaped flow passages 9, and the first water outlet pipe 7.1 and the fourth water outlet pipe 7.4 are blocked.
Fig. 11 is a schematic position diagram of the cylindrical valve element 2 rotating 120 degrees in a mode, in which a first water inlet pipe 6.1 is communicated with a third water outlet pipe 7.3 through a water outlet 8 on the cylindrical valve element, and the cooling liquid enters an inner cavity of the valve body through the first water inlet pipe 6.1 and then flows out through the third water outlet pipe 7.3; the second water inlet pipe 6.2 is communicated with the second water outlet pipe 7.2 through one of the arc-shaped flow passages 9, and the first water outlet pipe 7.1 and the fourth water outlet pipe 7.4 are blocked.
Fig. 12 is a schematic diagram of a mode 4 when the cylindrical valve core 2 rotates 160 degrees, in this mode, the first water inlet pipe 6.1 and the fourth water outlet pipe 7.4 are communicated through the water outlet 8 on the cylindrical valve core, and the cooling liquid enters the inner cavity of the valve body through the first water inlet pipe 6.1 and then flows out through the fourth water outlet pipe 7.4; the second water inlet pipe 6.2 is communicated with the third water outlet pipe 7.3 through one of the arc-shaped flow passages 9, and the first water outlet pipe 7.1 and the second water outlet pipe 7.2 are blocked.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a six logical water valves of automobile-used thermal management system, includes valve body (1), cylinder case (2), case axle (18), sealed pad (3), valve gap (4) and executor (5), install in valve body (1) top valve gap (4), cylinder case (2) are installed inside valve body (1), sealed pad (3) lateral surface and the sealed cooperation of valve body (1) inner wall, sealed pad (3) medial surface and the sealed cooperation of cylinder case (2) outer wall, case axle one end is fixed in cylinder case (2) top, the other end passes valve gap (4) and executor fixed connection, its characterized in that: the sealing gasket (3) comprises a static sealing layer (19) and a dynamic sealing layer (20), the dynamic sealing layer is attached to the inner side surface of the static sealing layer, a plurality of first convex ribs (10) are arranged on the outer side surface of the static sealing layer (19) at intervals and in contact with the inner wall of the valve body, and a plurality of second convex ribs (11) are arranged on the inner wall of the dynamic sealing layer (20) at intervals and in contact with the outer wall of the valve core; the water inlet valve is characterized in that the valve body (1) is connected with two water inlet pipes (6) and four water outlet pipes (7), the two water inlet pipes (6) are coaxially arranged, the four water outlet pipes (7) are symmetrically distributed on two sides of the axis of the water inlet pipes (6), the cylindrical valve core (2) is provided with a water outlet (8) and two arc-shaped flow channels (9), and the actuator (5) drives the valve core shaft to move to drive the cylindrical valve core (2) to rotate and control the on-off between the water outlet and the arc-shaped flow channels and between the water inlet pipes and the water outlet pipes.
2. The vehicular thermal management system six-way water valve of claim 1, wherein: the two water inlet pipes (6) are respectively a first water inlet pipe (6.1) and a second water inlet pipe (6.2), included angles between the axes of the two adjacent water outlet pipes (7) and included angles between the axes of the water outlet pipes (7) and the axes of the two adjacent second water inlet pipes (6.2) are the same, and the distance between two ends of the arc-shaped flow channel (9) is the same as the distance between the farthest points on the pipe orifices of the two adjacent water outlet pipes (7).
3. The vehicular thermal management system six-way water valve according to claim 2, characterized in that: the two sides of the opening of the first water inlet pipe (6.1) on the inner wall of the valve body (1) are respectively provided with a limit stop (1.3), and the limit stops (1.3) are matched with the two sides of the upper notch (12) of the sealing gasket.
4. The vehicular thermal management system six-way water valve according to claim 2, characterized in that: the sealing gasket (3) is of a circular ring structure, and a notch (12) which penetrates through the sealing gasket (3) from top to bottom is arranged at the position, corresponding to the pipe orifice of the first water inlet pipe (6.1), of the sealing gasket in the axial direction.
5. The vehicular thermal management system six-way water valve of claim 2, wherein: it has via hole (13) to open with the outlet pipe mouth of pipe and the mouth of pipe of second inlet tube corresponding position on sealed pad (3), first protruding muscle (10) and second protruding muscle (11) distribute around via hole (13), and the distance between the adjacent via hole is d, and the one side that the via hole that is located the edge is close to the breach is equipped with transition portion (14), and transition portion area is the same with the via hole area, and the distance between transition portion and the edge via hole is d, and transition portion (14) have first protruding muscle (10) and second protruding muscle (11) all around to distribute.
6. The vehicular thermal management system six-way water valve according to claim 1, characterized in that: the thickness of the dynamic sealing layer (20) at the position other than the second convex rib is 0.3-0.5 mm.
7. The gasket for valves according to claim 1, wherein: and a groove (15) is arranged on the outer side surface of the static sealing layer (19) at a position other than the first convex rib.
8. The gasket for a valve according to claim 1, wherein: the static sealing layer (19) is made of EPDM.
9. The gasket for valves according to claim 1, wherein: the dynamic sealing layer (20) is made of PTFE.
10. The vehicular thermal management system six-way water valve of claim 1, wherein: the valve is characterized in that a fan-shaped first limiting boss (2.1) is arranged on the end face of one end, far away from the valve core shaft, of the cylindrical valve core (2), a second limiting boss (1.1) is arranged on the inner wall of the valve body (1) matched with one end of the cylindrical valve core, and the total stroke angle of the cylindrical valve core is controlled through the matching of the first limiting boss (2.1) and the second limiting boss (1.1).
Priority Applications (1)
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