CN221075351U - Multichannel switching valve and valve core - Google Patents
Multichannel switching valve and valve core Download PDFInfo
- Publication number
- CN221075351U CN221075351U CN202322571030.5U CN202322571030U CN221075351U CN 221075351 U CN221075351 U CN 221075351U CN 202322571030 U CN202322571030 U CN 202322571030U CN 221075351 U CN221075351 U CN 221075351U
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- switching
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- valve core
- valve
- annular groove
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- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims 1
- 238000003475 lamination Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
A multi-channel switching valve and a valve core, wherein the switching valve comprises a valve seat, a valve core and a driving mechanism, wherein the valve core is arranged in a lamination manner with the valve seat, and the driving mechanism drives the valve core to rotate; the valve seat comprises a valve seat body, eight fixed through holes with the circumference evenly distributed are formed in the valve seat body, the valve core comprises a valve core body, eight switching through holes with the circumference evenly distributed are formed in the valve core body, a blind hole is formed in the bottom surface of the valve core body between the adjacent switching through holes, an upper annular groove is formed in the inner side of the switching through holes in the top surface of the valve core body, a lower annular groove is formed in the inner side of the switching through holes in the bottom surface of the valve core body, a stop block for blocking the lower annular groove is arranged on the diagonal line of the first switching through hole and the diagonal line of the third switching through hole, and the stop block separates the lower annular groove into a first lower annular groove and a second lower annular groove. By switching the on-off relation among the through hole, the blind hole, the upper annular groove and the lower annular groove, the valve core can have twelve rotating states at most, so that more switching channels can be designed under a smaller volume.
Description
Technical Field
The utility model relates to the technical field of switching valves, in particular to a multi-channel switching valve and a valve core applied to a thermal management system.
Background
The multichannel switcher is a device for controlling the on-off relation of fluid, and the flow passage connected to the valve seat is changed by the relative movement between the valve core and the valve seat. The multichannel switching valve is generally provided with a plurality of channel ports on a valve seat, and the on-off of different channel ports is realized by driving a valve core. A fluid multi-channel switch, such as CN207715825U, comprising a valve seat, a valve core, and a flow regulator; the valve seat is cylindrical with one end open, a water inlet and two water outlets are formed in the side wall of the valve seat, the two water outlets are symmetrically arranged on two sides of the water inlet, and the two water outlets are respectively perpendicular to the water inlet; the valve core is arranged in the valve seat, the valve core is cylindrical with two open ends, two first water passing ports are formed in the side wall of the valve core, and the two first water passing ports are perpendicular to each other; the flow regulating piece is arranged in the valve core, two second water passing ports are formed in the side wall of the flow regulating piece, and the two second water passing ports are perpendicular to each other and are communicated with each other; the valve core and the flow regulating piece synchronously rotate. The number of switchable channels of the multi-channel switcher is small, and corresponding to a high-integration thermal management system, more switching valves of channels are definitely needed, and the number of channels of the switching valves is in a proportional relation with the volume, so that the switching valves with small volume and large number of channels are needed to be designed.
Disclosure of Invention
One of the technical problems to be solved by the utility model is to provide a multi-channel switching valve which is small in size and large in switching channel number.
The second technical problem to be solved by the utility model is to provide a valve core of a multi-channel switching valve, which has small volume and a large number of switching channels.
In order to solve one of the technical problems, the technical scheme of the utility model is as follows: a multi-channel switching valve comprises a valve seat, a valve core and a driving mechanism, wherein the valve core is overlapped with the valve seat, and the driving mechanism drives the valve core to rotate; the valve seat comprises a valve seat body, eight fixed through holes with evenly distributed circumferences are formed in the valve seat body, the valve core comprises a valve core body, eight switching through holes with evenly distributed circumferences are formed in the valve core body, each switching through hole comprises a first switching through hole, a second switching through hole, a third switching through hole, a fourth switching through hole, a fifth switching through hole, a sixth switching through hole, a seventh switching through hole and an eighth switching through hole, the first switching through hole is located between the fifth switching through hole and the sixth switching through hole, the second switching through hole is located between the fifth switching through hole and the seventh switching through hole, the third switching through hole is located between the seventh switching through hole and the eighth switching through hole, and the fourth switching through hole is located between the sixth switching through hole and the eighth switching through hole; the top surface of the valve core body is provided with an upper annular groove at the inner side of the switching through hole, the upper end of the first switching through hole is communicated with the upper annular groove, the upper end of the seventh switching through hole is communicated with the upper annular groove, the upper end of the second switching through hole is communicated with the upper end of the fifth switching through hole, the upper end of the fourth switching through hole is communicated with the upper end of the sixth switching through hole, and the upper end of the third switching through hole is communicated with the upper end of the eighth switching through hole; the bottom surface of case body is equipped with the blind hole between adjacent switching through hole, the bottom surface of case body is equipped with down the ring channel in the inboard of switching through hole, be equipped with the dog that blocks down the ring channel on the diagonal of first switching through hole and third switching through hole, the dog separates down the ring channel into first ring channel and second ring channel down, blind hole and first ring channel intercommunication down between first switching through hole and the sixth switching through hole, blind hole and first ring channel intercommunication down between third switching through hole and the eighth switching through hole, the blind hole of fourth switching through hole both sides communicates with it respectively, blind hole and second ring channel intercommunication down between first switching through hole and the fifth switching through hole, blind hole and second ring channel intercommunication down of third switching through hole and seventh switching through hole, the blind hole of second switching through hole both sides communicates with it respectively. The principle of the utility model is as follows: the utility model is provided with eight switching through holes in total, every two switching through holes can form a group of channels, and each rotating state of the valve core can form four groups of channels; the valve core is provided with an upper annular groove and a lower annular groove, the bottom of the valve core is provided with eight blind holes, and the valve core can have twelve rotating states at most through switching the on-off relation among the through holes, the blind holes, the upper annular groove and the lower annular groove, so that more switching channels can be designed under a smaller volume.
As an improvement, the valve seat further comprises a side wall arranged on the valve seat body, a cover plate is arranged at the upper end of the side wall, the valve seat body, the side wall and the cover plate enclose a containing cavity, and the valve core body is arranged in the containing cavity.
As an improvement, the valve seat body forms a mounting lug at a part outside the accommodating cavity.
As an improvement, a first sealing gasket is arranged between the cover plate and the top surface of the valve core body, a second sealing gasket is arranged between the bottom surface of the valve core body and the top surface of the valve seat body, and a third sealing gasket is arranged on the bottom surface of the valve seat body; the second sealing gaskets are provided with second through holes corresponding to the fixing through holes one by one, and the third sealing gaskets are provided with third through holes corresponding to the fixing through holes one by one.
As an improvement, the top surface of the valve seat body is provided with a positioning groove, and the second sealing gasket is provided with a positioning protrusion matched with the positioning groove.
As an improvement, the valve core also comprises a transmission shaft arranged at the inner side of the upper annular groove and an annular bulge arranged at the inner side of the lower annular groove; the valve seat body is provided with a groove corresponding to the annular bulge.
As an improvement, the inner wall of the annular bulge is provided with a movable blocking part, a fixed blocking part is arranged in the groove, and the movable blocking part is matched with the fixed blocking part to limit the rotation angle of the valve core.
As an improvement, the drive mechanism is fixed to the cover plate.
As an improvement, the driving mechanism comprises a housing, a motor and a transmission gear assembly.
In order to solve the second technical problem, the technical scheme of the utility model is as follows: the valve core comprises a valve core body, eight switching through holes with evenly distributed circumferences are formed in the valve core body, each switching through hole comprises a first switching through hole, a second switching through hole, a third switching through hole, a fourth switching through hole, a fifth switching through hole, a sixth switching through hole, a seventh switching through hole and an eighth switching through hole, the first switching through hole is located between the fifth switching through hole and the sixth switching through hole, the second switching through hole is located between the fifth switching through hole and the seventh switching through hole, the third switching through hole is located between the seventh switching through hole and the eighth switching through hole, and the fourth switching through hole is located between the sixth switching through hole and the eighth switching through hole; the top surface of the valve core body is provided with an upper annular groove at the inner side of the switching through hole, the upper end of the first switching through hole is communicated with the upper annular groove, the upper end of the seventh switching through hole is communicated with the upper annular groove, the upper end of the second switching through hole is communicated with the upper end of the fifth switching through hole, the upper end of the fourth switching through hole is communicated with the upper end of the sixth switching through hole, and the upper end of the third switching through hole is communicated with the upper end of the eighth switching through hole; the bottom surface of case body is equipped with the blind hole between adjacent switching through hole, the bottom surface of case body is equipped with down the ring channel in the inboard of switching through hole, be equipped with the dog that blocks down the ring channel on the diagonal of first switching through hole and third switching through hole, the dog separates down the ring channel into first ring channel and second ring channel down, blind hole and first ring channel intercommunication down between first switching through hole and the sixth switching through hole, blind hole and first ring channel intercommunication down between third switching through hole and the eighth switching through hole, the blind hole of fourth switching through hole both sides communicates with it respectively, blind hole and second ring channel intercommunication down between first switching through hole and the fifth switching through hole, blind hole and second ring channel intercommunication down of third switching through hole and seventh switching through hole, the blind hole of second switching through hole both sides communicates with it respectively.
Compared with the prior art, the utility model has the beneficial effects that:
The valve core is provided with eight switching through holes in total, each two switching through holes can form a group of channels, and each rotating state of the valve core can form four groups of channels; the valve core is provided with an upper annular groove and a lower annular groove, the bottom of the valve core is provided with eight blind holes, and the valve core can have twelve rotating states at most through switching the on-off relation among the through holes, the blind holes, the upper annular groove and the lower annular groove, so that more switching channels can be designed under a smaller volume.
Drawings
Fig. 1 is a schematic diagram of a switching valve.
Fig. 2 is an exploded view of the switching valve.
Fig. 3 is a schematic bottom view of the valve core.
Fig. 4 is a schematic top view of the valve core.
FIG. 5 is a schematic top view of a valve seat.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1 and 2, a multi-channel switching valve includes a valve seat 2, a valve element 1 stacked on the valve seat 2, and a driving mechanism 3 for driving the valve element 1 to rotate.
As shown in fig. 2 and 5, the valve seat 2 includes a valve seat body 21 and a side wall 22 provided on the top surface of the valve seat body 21. The upper end of the side wall 22 is provided with a cover plate 4, the valve seat body 21, the side wall 22 and the cover plate 4 enclose a containing cavity, and the valve core body is arranged in the containing cavity. The valve seat body 21 forms a mounting lug 23 at a part outside the accommodating cavity, and the switching valve is mounted and fixed through the mounting lug 23; the valve seat body 21, the side wall 22 and the mounting lug 23 are of an integrated structure. Eight fixing through holes 211 uniformly distributed on the circumference are arranged on the valve seat body 21, and two fixing through holes 211 are a group, so that the inlet and the outlet of a group of channels can be formed.
As shown in fig. 2 to 4, the valve core 1 comprises a valve core body 11, a transmission shaft 12 arranged at the middle position of the top surface of the valve core body 11, and an annular bulge 13 arranged at the middle position of the bottom surface of the valve core body 11; the valve core body 11, the transmission shaft 12 and the annular bulge 13 are of an integrated structure. The transmission shaft 12 is polygonal, and the driving mechanism 3 drives the whole valve core 1 to rotate through the transmission shaft 12. The valve seat body 21 is provided with a groove 24 corresponding to the annular bulge 13, after assembly, the annular bulge 13 on the valve core 1 is arranged in the groove 24 of the valve seat body 21, and the annular bulge 13 can be used as a rotating shaft for rotating the valve core 1, so that the rotation of the valve core 1 is more stable; the inner wall of the annular bulge 13 is provided with a movable blocking part 17, a fixed blocking part 25 is arranged in the groove 24, and the movable blocking part 17 is matched with the fixed blocking part 25 to limit the rotation angle of the valve core. Eight switching through holes with the same circumference are uniformly distributed on the valve core body 11, the diameter of each switching through hole is the same as that of the corresponding fixed through hole 211, the radius of a circle where the circle center of each switching through hole is located is the same as that of a circle where the circle center of the corresponding fixed through hole 211 is located, and the switching through holes can form channels corresponding to the corresponding fixed through holes 211. The switching through holes include a first switching through hole 111, a second switching through hole 112, a third switching through hole 113, a fourth switching through hole 114, a fifth switching through hole 115, a sixth switching through hole 116, a seventh switching through hole 117, and an eighth switching through hole 118; the first switching through hole 111 is located between the fifth switching through hole 115 and the sixth switching through hole 116, the second switching through hole 112 is located between the fifth switching through hole 115 and the seventh switching through hole 117, the third switching through hole 113 is located between the seventh switching through hole 117 and the eighth switching through hole 118, and the fourth switching through hole 114 is located between the sixth switching through hole 116 and the eighth switching through hole 118; the top surface of the valve core body 11 is provided with an upper annular groove 18 at the inner side of the switching through hole, the transmission shaft 12 is positioned at the inner side of the upper annular groove 18, the upper end of the first switching through hole 111 is communicated with the upper annular groove 18, the upper end of the seventh switching through hole 117 is communicated with the upper annular groove 18, the upper end of the second switching through hole 112 is communicated with the upper end of the fifth switching through hole 115, the upper end of the fourth switching through hole 114 is communicated with the upper end of the sixth switching through hole 116, and the upper end of the third switching through hole 113 is communicated with the upper end of the eighth switching through hole 118; a blind hole 119 is arranged between the adjacent switching through holes on the bottom surface of the valve core body 11, the diameter of the blind hole 119 is the same as that of the switching through holes, and a circle where the circle center of the blind hole 119 is located coincides with a circle where the circle of the switching through holes is located; the bottom surface of the valve core body 11 is provided with a lower annular groove at the inner side of the switching through hole, the annular bulge 13 is positioned at the inner side of the lower annular groove, a stop block 26 for blocking the lower annular groove is arranged on the diagonal line of the first switching through hole 111 and the third switching through hole 113, the stop block 26 separates the lower annular groove into a first lower annular groove 15 and a second lower annular groove 16, a blind hole 119 between the first switching through hole 111 and the sixth switching through hole 116 is communicated with the first lower annular groove 15, a blind hole 119 between the third switching through hole 113 and the eighth switching through hole 118 is communicated with the first lower annular groove 15, blind holes 119 at two sides of the fourth switching through hole 114 are respectively communicated with the blind holes 119, the blind hole 119 between the first switching through hole 111 and the fifth switching through hole 115 is communicated with the second lower annular groove 16, the blind holes 119 of the third switching through hole 113 and the seventh switching through hole 117 are communicated with the second lower annular groove 16, and the blind holes 119 on two sides of the second switching through hole 112 are respectively communicated with the blind holes 119; the communication among the above-mentioned switching through hole, blind hole 119, upper annular groove 18 and lower annular groove adopts the grooving mode.
As shown in fig. 2, a first sealing gasket 7 is arranged between the cover plate 4 and the top surface of the valve core body 11, a second sealing gasket 5 is arranged between the bottom surface of the valve core body 11 and the top surface of the valve seat body 21, and a third sealing gasket 6 is arranged on the bottom surface of the valve seat body 21; the second sealing pad 5 is provided with second through holes corresponding to the fixing through holes 211 one by one, and the third sealing pad 6 is provided with third through holes corresponding to the fixing through holes 211 one by one. The top surface of disk seat body 21 is equipped with constant head tank 26, be equipped with on the second sealed pad 5 with constant head tank 26 complex location arch, the second is sealed to be filled up 5 and is fixed on disk seat body 21, and the second is sealed and is filled up 5 and can make the case can rotate and can seal. The driving mechanism 3 comprises a shell, a motor and a transmission gear assembly, the driving mechanism is fixed on the cover plate 4 through the shell, a transmission shaft 12 on the valve core 1 penetrates out of a through hole on the cover plate 4 and is connected with the driving mechanism 3, and the motor drives the transmission shaft 12 through the transmission gear assembly.
According to the utility model, by rotating the valve core, different switching through holes are combined to form different switching channels, for example, when the valve core is at 0 DEG, the switching through holes on the valve core body 11 are in one-to-one correspondence with the fixing through holes 211 on the valve seat body 21, and eight switching through holes form four groups of channels, and on the basis, the valve core can rotate forwards and backwards at different angles to form channel combinations in different states, as shown in the table below.
The principle of the utility model is as follows: the utility model is provided with eight switching through holes in total, every two switching through holes can form a group of channels, and each rotating state of the valve core can form four groups of channels; the valve core is provided with an upper annular groove 18 and a lower annular groove, the bottom of the valve core is provided with eight blind holes 119, and the valve core can have twelve rotating states at most by switching the on-off relation among the through holes, the blind holes 119, the upper annular groove 18 and the lower annular groove, so that more switching channels can be designed under a smaller volume.
Claims (10)
1. A multi-channel switching valve comprises a valve seat, a valve core and a driving mechanism, wherein the valve core is overlapped with the valve seat, and the driving mechanism drives the valve core to rotate; the method is characterized in that: the valve seat comprises a valve seat body, eight fixed through holes with evenly distributed circumferences are formed in the valve seat body, the valve core comprises a valve core body, eight switching through holes with evenly distributed circumferences are formed in the valve core body, each switching through hole comprises a first switching through hole, a second switching through hole, a third switching through hole, a fourth switching through hole, a fifth switching through hole, a sixth switching through hole, a seventh switching through hole and an eighth switching through hole, the first switching through hole is located between the fifth switching through hole and the sixth switching through hole, the second switching through hole is located between the fifth switching through hole and the seventh switching through hole, the third switching through hole is located between the seventh switching through hole and the eighth switching through hole, and the fourth switching through hole is located between the sixth switching through hole and the eighth switching through hole; the top surface of the valve core body is provided with an upper annular groove at the inner side of the switching through hole, the upper end of the first switching through hole is communicated with the upper annular groove, the upper end of the seventh switching through hole is communicated with the upper annular groove, the upper end of the second switching through hole is communicated with the upper end of the fifth switching through hole, the upper end of the fourth switching through hole is communicated with the upper end of the sixth switching through hole, and the upper end of the third switching through hole is communicated with the upper end of the eighth switching through hole; the bottom surface of case body is equipped with the blind hole between adjacent switching through hole, the bottom surface of case body is equipped with down the ring channel in the inboard of switching through hole, be equipped with the dog that blocks down the ring channel on the diagonal of first switching through hole and third switching through hole, the dog separates down the ring channel into first ring channel and second ring channel down, blind hole and first ring channel intercommunication down between first switching through hole and the sixth switching through hole, blind hole and first ring channel intercommunication down between third switching through hole and the eighth switching through hole, the blind hole of fourth switching through hole both sides communicates with it respectively, blind hole and second ring channel intercommunication down between first switching through hole and the fifth switching through hole, blind hole and second ring channel intercommunication down of third switching through hole and seventh switching through hole, the blind hole of second switching through hole both sides communicates with it respectively.
2. A multi-channel switching valve according to claim 1, wherein: the valve seat further comprises a side wall arranged on the valve seat body, a cover plate is arranged at the upper end of the side wall, the valve seat body, the side wall and the cover plate enclose a containing cavity, and the valve core body is arranged in the containing cavity.
3. A multi-channel switching valve according to claim 2, wherein: the valve seat body forms a mounting lug at a part outside the accommodating cavity.
4. A multi-channel switching valve according to claim 2, wherein: a first sealing gasket is arranged between the cover plate and the top surface of the valve core body, a second sealing gasket is arranged between the bottom surface of the valve core body and the top surface of the valve seat body, and a third sealing gasket is arranged on the bottom surface of the valve seat body; the second sealing gaskets are provided with second through holes corresponding to the fixing through holes one by one, and the third sealing gaskets are provided with third through holes corresponding to the fixing through holes one by one.
5. The multi-channel switching valve according to claim 4, wherein: the top surface of disk seat body is equipped with the constant head tank, be equipped with on the second sealed pad with constant head tank complex location arch.
6. A multi-channel switching valve according to claim 1, wherein: the valve core also comprises a transmission shaft arranged at the inner side of the upper annular groove and an annular bulge arranged at the inner side of the lower annular groove; the valve seat body is provided with a groove corresponding to the annular bulge.
7. The multi-channel switching valve according to claim 6, wherein: the inner wall of the annular bulge is provided with a movable blocking part, a fixed blocking part is arranged in the groove, and the movable blocking part is matched with the fixed blocking part to limit the rotation angle of the valve core.
8. A multi-channel switching valve according to claim 2, wherein: the driving mechanism is fixed on the cover plate.
9. A multi-channel switching valve according to claim 1, wherein: the drive mechanism includes a housing, a motor, and a drive gear assembly.
10. A valve core, characterized in that: the valve core comprises a valve core body, eight switching through holes with evenly distributed circumferences are formed in the valve core body, each switching through hole comprises a first switching through hole, a second switching through hole, a third switching through hole, a fourth switching through hole, a fifth switching through hole, a sixth switching through hole, a seventh switching through hole and an eighth switching through hole, the first switching through hole is located between the fifth switching through hole and the sixth switching through hole, the second switching through hole is located between the fifth switching through hole and the seventh switching through hole, the third switching through hole is located between the seventh switching through hole and the eighth switching through hole, and the fourth switching through hole is located between the sixth switching through hole and the eighth switching through hole; the top surface of the valve core body is provided with an upper annular groove at the inner side of the switching through hole, the upper end of the first switching through hole is communicated with the upper annular groove, the upper end of the seventh switching through hole is communicated with the upper annular groove, the upper end of the second switching through hole is communicated with the upper end of the fifth switching through hole, the upper end of the fourth switching through hole is communicated with the upper end of the sixth switching through hole, and the upper end of the third switching through hole is communicated with the upper end of the eighth switching through hole; the bottom surface of case body is equipped with the blind hole between adjacent switching through hole, the bottom surface of case body is equipped with down the ring channel in the inboard of switching through hole, be equipped with the dog that blocks down the ring channel on the diagonal of first switching through hole and third switching through hole, the dog separates down the ring channel into first ring channel and second ring channel down, blind hole and first ring channel intercommunication down between first switching through hole and the sixth switching through hole, blind hole and first ring channel intercommunication down between third switching through hole and the eighth switching through hole, the blind hole of fourth switching through hole both sides communicates with it respectively, blind hole and second ring channel intercommunication down between first switching through hole and the fifth switching through hole, blind hole and second ring channel intercommunication down of third switching through hole and seventh switching through hole, the blind hole of second switching through hole both sides communicates with it respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571030.5U CN221075351U (en) | 2023-09-20 | 2023-09-20 | Multichannel switching valve and valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571030.5U CN221075351U (en) | 2023-09-20 | 2023-09-20 | Multichannel switching valve and valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075351U true CN221075351U (en) | 2024-06-04 |
Family
ID=91272703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322571030.5U Active CN221075351U (en) | 2023-09-20 | 2023-09-20 | Multichannel switching valve and valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075351U (en) |
-
2023
- 2023-09-20 CN CN202322571030.5U patent/CN221075351U/en active Active
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