CN220354540U - Valve device for fluid - Google Patents

Abstract

The utility model relates to a valve device for fluids, comprising: a valve housing (2); a valve seat (4) fixedly connected to the valve housing (2); a valve element (3) which is arranged in the valve housing (2) and is rotatable relative to the valve seat (4). The valve seat (4) comprises a plurality of valve ports, the valve core (3) at least comprises a first flow passage (31) and a second flow passage (32), the valve ports, the first flow passage (31) and the second flow passage (32) can be matched with each other, so that fluid can be conducted through the valve device in a plurality of different modes, the proportion between at least two valve ports can be adjusted by 0% -100%, the first flow passage (31) can cover at least two valve ports, and the second flow passage (32) can cover at least one valve port. Under the condition of optimizing the structure of the valve device, the utility model simplifies the design of the internal flow passage and can meet various different fluid conduction modes.

Description

Valve device for fluid

Technical Field

The present utility model relates to a valve device for fluids.

Background

At present, parts of a water path part of a heat management integrated system conventionally used for a new energy automobile are more, but the whole arrangement space is small. In addition, the existing valve device has higher requirements and needs to meet the switching of multiple complex working modes of the system. Meanwhile, the simplification of the flow passage in the valve core has important significance for flow resistance and cost control.

Disclosure of Invention

In view of this, the technical problem to be solved by the present utility model is how to simplify the internal flow channel design and satisfy a plurality of different fluid conduction modes while optimizing the valve device structure.

To solve the technical problem, the present utility model provides a valve device for fluids. The valve device includes a valve housing; the valve seat is fixedly connected with the valve shell or can be embedded into the water plate structure according to the arrangement requirement of the system; a valve element arranged in the valve housing and rotatable relative to the valve seat. According to the utility model, the valve seat comprises a plurality of valve ports, the valve core at least comprises a first flow passage and a second flow passage, the valve ports, the first flow passage and the second flow passage can be mutually matched so as to enable fluid to be conducted through the valve device in a plurality of different modes, and 0% -100% proportion adjustment between at least two valve ports is realized, wherein the first flow passage can cover at least two valve ports, and the second flow passage can cover at least one valve port.

Through the rotation of the valve core relative to the valve seat, different valve ports of the valve seat are communicated through the flow channels of the valve core, and the proportion adjustment among the valve ports is realized according to the actual requirements of the thermal management integrated system, so that the maximum utilization of energy is achieved.

Preferably, the plurality of valve ports of the valve seat are rotationally symmetrically arranged.

In this embodiment, it is further preferred that four ports are formed in the valve seat, said four ports having the same central valve port angle. In addition, in this embodiment, the valve seat structure is designed with 6 valve ports and 8 valve ports, so that the valve seat structure can be used as three-way, four-way, five-way, six-way, seven-way and eight-way valves, and only four-way valve use cases will be described herein.

According to one embodiment, the four valve ports are arranged uniformly distributed at a first angular distance which is identical to the central angle of the valve ports.

In this embodiment, it is further preferred that the central angle of the first flow channel is greater than three times the central angle of the valve port, and that the central angle of the second flow channel is greater than the central angle of the valve port. Most preferably for this embodiment, the valve port has a central angle of 45 °, the first flow passage has a central angle of 180 °, and the second flow passage has a central angle of 90 °.

According to an alternative embodiment, each two of the four valve ports are each arranged next to one another and are each spaced apart from the other two circumferentially adjacent valve ports by a second angular distance.

In this embodiment, it is further preferred that the second angular distance is equal to the central angle of the valve port.

In this embodiment, it is further preferred that the central angle of the first flow passage is greater than twice the central angle of the valve port, and that the central angle of the second flow passage is equal to the central angle of the valve port. Most preferably for this embodiment, the valve port has a central angle of 60 °, the first flow passage has a central angle of 180 °, and the second flow passage has a central angle of 60 °.

Preferably, the first flow passage is switchable between a state in which it covers only two ports at the same time and a state in which it covers three ports at least partially at the same time during rotation of the valve body relative to the valve seat.

Preferably, the second flow passage is switchable between a state of completely covering only one valve port and a state of simultaneously at least partially covering both valve ports during rotation of the valve body relative to the valve seat.

Therefore, the proportion between at least two valve ports is adjusted according to the actual demands of the system.

Drawings

Fig. 1 schematically shows a perspective view of a valve device according to the utility model;

FIG. 2a schematically shows a perspective view of the valve core and valve seat in a combined state;

FIG. 2b schematically shows an isolated view of the valve cartridge from obliquely above;

FIG. 2c schematically shows an isolated view of the valve cartridge from obliquely below;

fig. 3a schematically shows an isolated view of the valve seat from obliquely above;

FIG. 3b schematically shows an isolated view of the valve seat from obliquely below;

fig. 4 schematically shows another view of the valve seat from obliquely above;

FIG. 5 schematically illustrates a front view of a valve seat and valve core of a valve apparatus according to one embodiment of the utility model;

FIG. 6 illustrates a schematic diagram of the operation of the valve seat and valve cartridge of FIG. 5;

fig. 7a to 7b schematically show a further illustration of the mode of operation shown in fig. 6;

FIG. 8 schematically illustrates a front view of a valve seat and valve core of a valve apparatus according to another embodiment of the present utility model;

FIG. 9 is a schematic illustration of the operation of the valve seat and valve element of FIG. 8;

fig. 10a to 10c schematically show further schematic views of the operation shown in fig. 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Fig. 1 schematically shows a valve device according to the utility model, comprising an actuator 1, a valve housing 2, and a valve seat 4 fixedly mounted to the valve housing 2. A valve body 3 arranged coaxially with a valve seat 4 is mounted in the valve housing 2, the valve body 3 being rotatable relative to the valve seat 4 upon operation of the actuator 1.

As shown in fig. 2a and 2b, the valve core 3 is constructed with a circular cross section, wherein a valve core shaft 33 is constructed at the geometric center of the valve core 3, and the top of the valve core shaft is constructed with an upwardly protruding shaft tip 33a constructed in a spline shape so as to be able to protrude into a recess at a corresponding position of the actuator 1, the valve core is rotated under the operation of the actuator, and a sealing ring, not shown, is mounted on the valve core shaft to achieve a fluid-tight seal between the axial valve and the actuator. As shown in fig. 2c, a downwardly projecting shaft bottom end 33b is formed at the bottom of the valve shaft, which projects into a valve seat center hole 45 at a corresponding position of the valve seat 4.

The valve insert 3 is constructed as an integral part, which comprises two flow channels, namely a first flow channel 31 and a second flow channel 32, which are substantially fan-shaped in cross section. The first flow channel 31 and the second flow channel 32 are each configured with a closed bottom, the openings of which are directed towards the valve seat 4. According to the utility model, the first flow channel central angle α1 of the first flow channel 31 and the second flow channel central angle α2 of the second flow channel 32 are different.

Fig. 3a and 3b schematically show perspective views of the valve seat 4 from obliquely above and obliquely below, respectively. As shown in fig. 3a and 3B, the valve seat 4 is configured with four ports, namely, a first port a, a second port B, a third port C, and a fourth port D. The four ports A, B, C, D are each configured as through-holes having a substantially fan-shaped cross section and having the same port central angle α.

As shown in fig. 4, a gasket 6 is mounted on the valve seat 4, which is tightly shape-fitted to the valve port and the circumferential edge of the valve seat, for achieving a fluid-tight seal between the valve seat 4 and the valve body 3.

Through the rotation of the valve core 3 relative to the valve seat 4, the first flow passage 31 and the second flow passage 32 of the valve core 3 are mutually matched with the valve ports of the valve seat 4, and the corresponding valve ports are correspondingly shielded and released, so that different conduction modes of fluid are realized.

Fig. 5 schematically shows a front view of the valve seat 4 and the valve element 3 according to an embodiment of the utility model. As shown in fig. 5, the valve seat 4 includes four ports through which fluid is conducted: the valve comprises a first valve port A, a second valve port B, a third valve port C and a fourth valve port D, wherein each valve port respectively has a valve port central angle alpha of 45 degrees. The four ports A, B, C, D are each disposed at the same first angular distance β1 from one another, wherein the first angular distance β1 is also 45 °.

As shown in fig. 5, the valve body 3 is constructed with two flow passages, namely, a first flow passage 31 and a second flow passage 32, wherein the first flow passage 31 and the second flow passage 32 are opposed to each other with reference to the geometric center of the valve body 3. The first flow path central angle α1 of the first flow path 31 is 180 ° and the second flow path central angle α2 of the second flow path 32 is 90 °.

Fig. 6 shows a schematic view of the valve element 3 of fig. 5 in different angular positions relative to the valve seat 4. As shown in fig. 6, a complete rotational movement of the valve element 3 relative to the valve seat 4 can be divided into 8 angular strokes S1 to S8 per 45 ° of angular distance. Wherein S1 represents 0 ° to 45 °, S2 represents 45 ° to 90 °, S3 represents 90 ° to 135 °, S4 represents 135 ° to 180 °, S5 represents 180 ° to 225 °, S6 represents 225 ° to 270 °, S7 represents 270 ° to 315 °, and S8 represents 315 ° to 360 °.

Two of these angular strokes S1 and S2 are shown in detail below in fig. 7a and 7 b.

Fig. 7a shows schematically the left-most side view the angular position of the valve element 3 at 0 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the second valve port B and the third valve port C of the valve seat 4, thereby allowing fluid to be conducted through the second and third valve ports B, C; the second flow passage 32 of the valve core 3 only covers the first valve port a of the valve seat 4, and the first valve port a is in a non-circulation state due to the lack of other valve ports capable of forming a loop with the first valve port a; the fourth port D is blocked by the closed portion between the first flow passage 31 and the second flow passage 32, and is thus also in a non-circulation state. At this time, the fluid may be conducted through the second valve port B and the third valve port C.

The middle view of fig. 7a schematically shows the valve element 3 in an angular position of between 0 ° and 45 ° relative to the valve seat 4, about 22 °. At this time, the first flow passage 31 of the valve body 3 completely covers the third valve port C and also partially covers the second valve port B and the fourth valve port D at the same time, thereby enabling the fluid to pass through the third valve port C while also achieving the proportional adjustment of the second valve port B and the fourth valve port D.

The rightmost side view of fig. 7a schematically shows the angular position of the valve element 3 at 45 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the third port C and the fourth port D of the valve seat 4, thereby allowing fluid to be conducted through the third port C and the fourth port D.

In summary, during the rotation of the valve element 3 relative to the valve seat in the angular stroke S1 of 0 ° to 45 °, the switching of the fluid from the valve port B-C to the valve port C-D is realized, and the proportional adjustment between the second valve port B and the fourth valve port D is realized while the third valve port C is always turned on.

The leftmost side view of fig. 7b schematically shows the angular position of the valve element 3 at 45 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the third port C and the fourth port D of the valve seat 4, thereby allowing fluid to be conducted through the third port C and the fourth port D; the second flow passage 32 of the valve core 3 only covers the first valve port a of the valve seat 4, and the first valve port a is in a non-circulation state due to the lack of other valve ports capable of forming a loop with the first valve port a; the second valve port B is blocked by the closed portion between the first flow passage 31 and the second flow passage 32, and is thus also in a non-circulation state. At this time, the fluid may be conducted through the third valve port C and the fourth valve port D.

The middle view of fig. 7b schematically shows the valve core 3 in an angular position of between 45 ° and 90 ° relative to the valve seat 4, about 67.5 °. At this time, the first flow passage 31 of the valve element 3 completely covers the third valve port C and the fourth valve port D; the second flow passage 32 also partially covers both the first port a and the second port B, thereby enabling the proportional adjustment of fluid between the first port a and the second port B.

The rightmost side view of fig. 7b schematically shows the angular position of the valve element 3 at 90 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the third port C and the fourth port D of the valve seat 4, thereby allowing fluid to be conducted through the third port C and the fourth port D.

In summary, during the rotation of the valve body 3 relative to the valve seat over an angular travel S2 of 45 ° to 90 °, the proportional adjustment between the first valve port a and the second valve port B is achieved while the valve ports C-D are always on.

Similarly, in the angular stroke S3 of 90 ° to 135 °, switching of fluid from the valve port C-D to D-a is achieved, and the proportional adjustment between the first valve port a and the third valve port C is achieved while the fourth valve port D is always on.

In an angular travel S4 of 135 DEG to 180 DEG, the proportional adjustment between the second valve port B and the third valve port C is effected while the valve ports A-D are always conducting.

In an angular travel S5 of 180 ° to 225 °, switching of fluid from port D-a to a-B is achieved, and the proportional adjustment between the second port B and the fourth port D is achieved while the first port a is always on.

In the angular travel S6 of 225 ° to 270 °, the proportional adjustment between the third valve port C and the fourth valve port D is achieved while the valve ports a-B are always on.

In an angular travel S7 of 270 ° to 315 °, switching of fluid from valve port a-B to B-C is achieved, and the proportional adjustment between the first valve port a and the third valve port C is achieved while the second valve port B is always on.

In the angular travel S8 of 315 ° to 360 °, the proportional adjustment between the first a and fourth port D is effected while the ports B-C are always on.

Fig. 8 schematically shows a front view of the valve seat 4 and the valve spool 3 according to another embodiment of the present utility model. As shown in fig. 8, the valve seat 4 also comprises four ports for fluid communication: a first valve port A, a second valve port B, a third valve port C and a fourth valve port D. Unlike the embodiment shown in fig. 5, each valve port shown in fig. 8 has a valve port central angle α of 60 ° respectively. Unlike the embodiment of fig. 5, the four ports A, B, C, D shown in fig. 8 are not arranged at equal angular intervals, but are arranged closely to each other every two ports and are respectively spaced from the other two ports adjacent in the circumferential direction by a second angular interval β2, which is equal to the valve port central angle α. As shown in fig. 8, the first valve port a and the fourth valve port D are closely arranged to each other, the second valve port B and the third valve port C are closely arranged to each other, and the first valve port a and the second valve port B and the third valve port C and the fourth valve port D are spaced apart from each other by a second angular interval β2, respectively, wherein the second angular interval β2 is 60 °.

As shown in fig. 8, the valve body 3 is constructed with two flow passages, namely, a first flow passage 31 and a second flow passage 32, wherein the first flow passage 31 and the second flow passage 32 are opposed to each other with reference to the geometric center of the valve body 3. The first flow path central angle α1 of the first flow path 31 is 180 °, and the second flow path central angle α2 of the second flow path 32 is 60 °.

Fig. 9 shows a schematic view of the valve element 3 of fig. 5 in different angular positions relative to the valve seat 4. As shown in fig. 9, a complete rotational movement of the valve element 3 relative to the valve seat 4 can be divided into 6 angular strokes S1 to S8 per 60 ° of angular distance. Wherein S1 represents 0 ° to 60 °, S2 represents 60 ° to 120 °, S3 represents 120 ° to 180 °, S4 represents 180 ° to 240 °, S5 represents 240 ° to 300 °, and S6 represents 300 ° to 360 °.

Three of these angular strokes S1, S2 and S3 are shown in detail below in fig. 10a to 10 c.

Fig. 10a shows schematically the left-most side view the angular position of the valve element 3 at 0 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the second valve port B and the third valve port C of the valve seat 4, thereby allowing fluid to be conducted through the second valve port B and the third valve port C; the second flow passage 32 of the valve core 3 only covers the first valve port a of the valve seat 4, and the first valve port a is in a non-circulation state due to the lack of other valve ports capable of forming a loop with the first valve port a; the fourth port D is blocked by the closed portion between the first flow passage 31 and the second flow passage 32, and is thus also in a non-circulation state. At this time, the fluid may be conducted through the second valve port B and the third valve port C.

The middle view of fig. 10a schematically shows the valve core 3 in an angular position of between 0 ° and 60 ° relative to the valve seat 4, about 30 °. At this time, the first flow passage 31 of the valve body 3 completely covers the third valve port C and also partially covers the second valve port B and the fourth valve port D at the same time, thereby enabling the fluid to pass through the third valve port C while also achieving the proportional adjustment of the second valve port B and the fourth valve port D.

The rightmost side view of fig. 10a schematically shows the angular position of the valve element 3 at 60 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the third port C and the fourth port D of the valve seat 4, thereby allowing fluid to be conducted through the third port C and the fourth port D. The first valve port a and the second valve port B are blocked by the closed portions between the first flow path 31 and the second flow path 32, respectively, so as to be in a non-circulation state.

In summary, during the rotation of the valve core 3 relative to the valve seat in the angular stroke S1 of 0 ° to 60 °, the switching of the fluid from the valve port B-C to the valve port C-D is realized, and the proportional adjustment between the second valve port B and the fourth valve port D is realized while the third valve port C is always turned on.

The leftmost side view of fig. 10b schematically shows the angular position of the valve element 3 at 60 ° with respect to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the third port C and the fourth port D of the valve seat 4, thereby allowing fluid to be conducted through the third port C and the fourth port D; the second flow passage 32 of the valve body 3 covers the closed portion between the first valve port a and the second valve port B of the valve seat 4, and both the first valve port a and the second valve port B are blocked by the closed portion between the first flow passage 31 and the second flow passage 32, and thus are also in a non-flowable state. At this time, the fluid may be conducted through the third valve port C and the fourth valve port D.

The middle view of fig. 10b schematically shows the valve core 3 in an angular position of between 60 ° and 120 ° relative to the valve seat 4, about 90 °. At this time, the first flow passage 31 of the valve element 3 completely covers the fourth valve port D and also partially covers the first valve port a and the third valve port C at the same time, thereby enabling the proportional adjustment of the fluid between the first valve port a and the third valve port C; the second flow passage 32 only partially covers the second valve port B, thereby rendering the second valve port B non-conductive.

The rightmost side view of fig. 10b schematically shows the angular position of the valve element 3 at 120 ° relative to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the fourth port D and the first port a of the valve seat 4, thereby allowing fluid to be conducted through the fourth port D and the first port a.

In summary, during the rotation of the valve body 3 relative to the valve seat in the angular stroke S2 of 60 ° to 120 °, the proportion adjustment between the first valve port a and the third valve port C is achieved while the fluid is switched to be conducted via the valve port D-a via the valve port C-D.

The leftmost side view of fig. 10c schematically shows the angular position of the valve element 3 at 120 ° relative to the valve seat 4. At this time, fluid may be conducted through the fourth valve port D and the first valve port a.

The intermediate view of fig. 10c schematically shows the valve element 3 in an angular position of between 120 ° and 180 ° relative to the valve seat 4, about 150 °. At this time, the first flow passage 31 of the valve body 3 completely covers the first valve port a and the fourth valve port D, whereby conduction of fluid through the first valve port a and the fourth valve port D can be achieved; the second flow passage 32 partially covers both the second valve port B and the third valve port C, thereby achieving proportional adjustment between the second valve port B and the third valve port C.

The rightmost side view of fig. 10c schematically shows the angular position of the valve element 3 at 180 ° relative to the valve seat 4. At this time, the first flow passage 31 of the valve body 3 covers both the fourth port D and the first port a of the valve seat 4, thereby allowing fluid to be conducted through the fourth port D and the first port a.

In summary, during the rotation of the valve body 3 relative to the valve seat in the angular stroke S3 of 120 ° to 180 °, the fluid is conducted through the first port a and the fourth port D, and simultaneously the proportional adjustment between the second port B and the third port C is achieved.

Similarly, in an angular travel S4 of 180 to 240, a switching of fluid from ports A-D to A-B is achieved, and a proportional adjustment between the second port B and the fourth port D is achieved while the first port A is always on.

In an angular travel S5 of 240 ° to 300 °, switching of fluid from valve port a-B to B-C is achieved, and proportional adjustment between the first valve port a and the third valve port C is achieved while the second valve port B is always on.

In an angular travel S6 of 300 ° to 360 °, the proportional adjustment between the first port a and the fourth port D is achieved while fluid is conducted via the second port B and the third port C.

List of reference numerals

1. Actuator

2. Valve housing

3. Valve core

31. First flow channel

32. Second flow passage

33. Valve core shaft

33a shaft tip

33b shaft bottom end

4. Valve seat

45. Valve seat center hole

6. Sealing gasket

Alpha valve port central angle

α1 first flow channel central angle

α2 second flow channel central angle

β1 first angular spacing

β2 second angular separation.

A first valve port

B second valve port

C third valve port

And D, a fourth valve port.

Claims (11)

1. A valve apparatus for a fluid, the valve apparatus comprising:

a valve housing (2);

a valve seat (4) fixedly connected to the valve housing (2);

a valve element (3) which is arranged in the valve housing (2) and is rotatable relative to the valve seat (4);

the valve seat (4) comprises a plurality of valve ports, the valve core (3) at least comprises a first flow passage (31) and a second flow passage (32), the valve ports, the first flow passage (31) and the second flow passage (32) can be matched with each other, so that fluid can be conducted through the valve device in a plurality of different modes, the proportion between at least two valve ports can be adjusted by 0% -100%, the first flow passage (31) can cover at least two valve ports, and the second flow passage (32) can cover at least one valve port.

2. A valve device for fluids according to claim 1, characterized in that the plurality of valve ports of the valve seat (4) are arranged rotationally symmetrically.

3. A valve device for fluids according to claim 2, characterized in that four valve ports (A, B, C, D) are formed in the valve seat (4), said four valve ports having the same valve port central angle (α).

4. A valve device for fluids according to claim 3, characterized in that the four valve ports are arranged evenly dispersed with a first angular spacing (β1) which is the same as the valve port central angle (α).

5. A valve device for fluids according to claim 4, characterized in that the central angle (α1) of the first flow channel (31) is greater than three times the central angle (α) of the valve port, and the central angle (α2) of the second flow channel (32) is greater than the central angle (α) of the valve port.

6. A valve device for fluids according to claim 5, characterized in that the central angle (α1) of the first flow channel (31) is 180 °, the central angle (α2) of the second flow channel (32) is 90 °, and the valve port central angle (α) is 45 °.

7. A valve arrangement for a fluid according to claim 3, characterized in that each two of the four valve ports are arranged next to each other and are spaced apart from each other by a second angular distance (β2) from the other two circumferentially adjacent valve ports, respectively.

8. A valve device for fluids according to claim 7, characterized in that the central angle (α1) of the first flow channel (31) is greater than twice the central angle (α) of the valve port, and the central angle (α2) of the second flow channel (32) is equal to the central angle (α) of the valve port.

9. A valve device for fluids according to claim 8, characterized in that the central angle (α1) of the first flow channel (31) is 180 °, the central angle (α1) of the second flow channel (32) is 60 °, and the valve port central angle (α) is 60 °.

10. A valve device for fluids according to claim 1, characterized in that the first flow channel (31) is switchable between a state of simultaneously covering completely only two valve ports and simultaneously covering at least partially three valve ports during rotation of the valve body (3) relative to the valve seat (4).

11. A valve device for fluids according to claim 1, characterized in that the second flow channel (32) is switchable between a state of completely covering only one valve port and simultaneously at least partially covering both valve ports during rotation of the valve body (3) relative to the valve seat (4).