CN219883836U - Rear axle control module integrated with quick release valve - Google Patents
Rear axle control module integrated with quick release valve Download PDFInfo
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- CN219883836U CN219883836U CN202321290081.4U CN202321290081U CN219883836U CN 219883836 U CN219883836 U CN 219883836U CN 202321290081 U CN202321290081 U CN 202321290081U CN 219883836 U CN219883836 U CN 219883836U
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- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 230000004044 response Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model relates to the field of control module assemblies, and discloses a rear axle control module integrated with a quick release valve, wherein a control diaphragm is arranged in a control cavity I, an exhaust hole is formed in the upper end surface of a middle body, an exhaust channel I is arranged in the middle body, the exhaust channel I is communicated with the outside and communicated with the exhaust hole at the same time, a control cavity I on the upper side of the control diaphragm is communicated with an air inlet of the quick release valve, and a control cavity I on the lower side of the control diaphragm is communicated with the exhaust hole and a spring brake cylinder; in a parking braking state, the compressed air in the parking air chamber can act on the lower part of the control diaphragm, and the parking air chamber is communicated with the exhaust hole; when in parking contact, compressed air at the air inlet of the quick release valve can push the control diaphragm to move downwards, the diaphragm clings to the exhaust hole to block the communication between the air inlet of the quick release valve and the first exhaust channel, the compressed air at the air inlet of the quick release valve enters the parking air chamber through the air outlet of the quick release valve, and the parking brake is released. The device has the advantages of compact structure, low cost, quick response and the like.
Description
Technical Field
The utility model relates to the field of vehicle rear axle braking modules, in particular to a rear axle control module integrated with a quick release valve.
Background
The applicant applies for Chinese patent CN202021163745.7 in the year 6 and 22 in 2020, and compared with the traditional assembly and parking relay valve, the assembly has the characteristics of small volume, light weight, compact structure and the like, and the response time is faster; providing convenience for the arrangement and installation of the pipeline; and meanwhile, the cost is saved.
However, the conventional rear axle control module is not integrated with a quick release valve, and even if the quick release valve is integrated, the quick release valve is simple in structure, so that the axial size of the whole module is large, interference exists among all parts, and the defects of slow gas circuit response and large occupied space exist.
Disclosure of Invention
The utility model provides a rear axle control module integrated with a quick release valve aiming at the defects in the prior art.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the rear axle control module integrated with the quick release valve comprises a valve body, wherein the valve body comprises an upper body, a middle body and a lower body from top to bottom, the upper body is integrated with the quick release valve module and comprises a quick release valve air inlet and a quick release valve air outlet, the upper body is connected with the middle body, a first control cavity is formed between the lower end face of the upper body and the upper end face of the middle body, a control diaphragm is arranged in the first control cavity, an exhaust hole is formed in the upper end face of the middle body, a first exhaust channel is arranged in the middle body and is communicated with the outside and the exhaust hole at the same time, the first control cavity on the upper side of the control diaphragm is communicated with the quick release valve air inlet, and the first control cavity on the lower side of the control diaphragm is communicated with the exhaust hole and is communicated with the spring brake cylinder; in a parking braking state, the compressed air in the parking air chamber can act on the lower part of the control diaphragm, and the parking air chamber is communicated with the exhaust hole; when in parking contact, compressed air at the air inlet of the quick release valve can push the control diaphragm to move downwards, the diaphragm clings to the exhaust hole to block the communication between the air inlet of the quick release valve and the first exhaust channel, the compressed air at the air inlet of the quick release valve enters the parking air chamber through the air outlet of the quick release valve, and the parking brake is released.
Preferably, an I cavity is formed between the inner side wall of the exhaust channel and the outer side wall of the upper body, and the I cavity is positioned on the lower side of the control diaphragm.
Preferably, the bottom surface of the I-cavity is flush with the bottom surface of the first exhaust channel.
Preferably, the lower end face of the upper body is an arc-shaped arch face, an annular bulge which plays a role of a valve is arranged on the side of the lower end face, and the control diaphragm is abutted on the annular bulge so as to block communication between the air inlet and the air outlet of the quick release valve.
Preferably, the upper end face of the middle body around the exhaust port is provided with a groove, and the edge of the control diaphragm is abutted against the edge of the arch surface in the parking braking state.
Preferably, a connecting hole is formed in the top surface of the first control cavity, a guide sleeve structure is arranged in the middle of the connecting hole, the guide sleeve is connected with the side wall of the connecting hole, and an air passage is formed between the guide sleeve and the side wall; the control diaphragm comprises a sliding block and a diaphragm body, the section of the sliding block is T-shaped, the sliding block is slidably mounted in the guide sleeve structure, and the lower end of the sliding block is abutted against the diaphragm body.
Preferably, the lower body and the middle body are combined to form a valve cavity, the valve cavity is internally provided with a relay piston assembly, the relay piston assembly further comprises a main air inlet, the main air inlet is used for being connected with an air reservoir, the lower body is provided with a main air outlet, the main air outlet is used for being connected with a brake chamber, the relay piston assembly further comprises a main control air inlet, the main control air inlet is used for controlling movement of the relay piston assembly, the relay piston assembly further comprises a pressure maintaining electromagnetic valve and a pressure reducing electromagnetic valve, the pressure maintaining electromagnetic valve and the pressure reducing electromagnetic valve are connected with a controller, and actions of boosting, maintaining pressure and reducing pressure of the main air outlet are achieved by controlling air inlet of the main air inlet and controlling on-off of the pressure maintaining electromagnetic valve and the pressure reducing electromagnetic valve.
Preferably, the device further comprises a main exhaust channel, the end part of the main exhaust channel is connected with a dustproof noise reduction filter, the first exhaust channel comprises a second exhaust channel which is transversely designed and is designed on the middle body and a third exhaust channel which is designed and is designed on the lower body, the tail end of the third exhaust channel is parallel to the main exhaust channel, and the tail end of the third exhaust channel is connected to the dustproof noise reduction filter.
Due to the adoption of the technical scheme, the utility model has the following remarkable technical effects:
the rear axle control module integrated with the quick release valve is designed in the scheme, and has the advantages of compact structure, reasonable air channel layout, reliable valve control and the like. And the device has the advantages of light weight, compact structure, quick response time, cost saving and the like.
Drawings
FIG. 1 is a schematic general structural view of the assembly.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a partial enlarged view of fig. 2.
FIG. 4 is a schematic illustration of the location of the diaphragm assembly and chambers.
FIG. 5 is a schematic illustration of the connection of the solenoid valve assembly to each chamber.
The technical names of the reference numerals in the drawings are: 1-valve body, 2-upper body, 3-middle body, 4-lower body, 5-quick release valve module, 6-quick release valve air inlet, 7-quick release valve air outlet, 8-control chamber I, 9-control diaphragm, 10-exhaust channel I, 11-exhaust hole, 12-I chamber, 13-annular protrusion, 14-groove, 15-connecting hole, 16-guide sleeve structure, 17-air passage, 18-slider, 19-membrane body, 20-valve cavity, 21-relay piston assembly, 22-main air inlet, 23-main air outlet, 24-main control air port, 25-dust-reducing filter, 26-exhaust channel II, 27-exhaust channel III, 28-A chamber, 29-main exhaust channel, 30-intake valve port, 31-exhaust valve port, 32-A chamber, 33-B chamber, 34-C chamber, 35-D chamber, 36-B chamber, 37-C chamber, 38-D chamber, 39-E chamber, 40-diaphragm assembly.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The rear axle control module integrated with the quick release valve comprises a valve body 1, wherein the valve body 1 comprises an upper body 2, a middle body 3 and a lower body 4 from top to bottom, the upper body 2 is integrated with a quick release valve module 5, the quick release valve module comprises a quick release valve air inlet 6 and a quick release valve air outlet 7, the upper body 2 is connected with the middle body 3, a control cavity I8 is formed between the lower end face of the upper body 2 and the upper end face of the middle body 3, a control diaphragm 9 is arranged in the control cavity I8, an exhaust hole 11 is formed in the upper end face of the middle body 3, an exhaust channel I10 is arranged in the middle body 3, the exhaust channel I10 is communicated with the outside and is communicated with the exhaust hole 11, an upper control cavity I8 of the control diaphragm 9 is communicated with the quick release valve air inlet 6, and a control cavity I8 at the lower side of the control diaphragm 9 is communicated with the exhaust hole 11 and is communicated with a spring brake cylinder; in a parking braking state, compressed air in a parking air chamber is acted on the lower part of the control diaphragm 9, and the parking air chamber is communicated with the exhaust hole 11; when in parking contact, compressed air of the quick release valve air inlet 6 can push the control diaphragm 9 to move downwards, the diaphragm clings to the exhaust hole 11 to block the communication between the quick release valve air inlet 6 and the exhaust channel I10, and compressed air of the quick release valve air inlet 6 enters the parking air chamber through the quick release valve air outlet 7, so that the parking brake is released.
In this scheme, the upper body 2 fix through set screw and lower body 4, the processing of exhaust passage one 10 is very convenient moreover, only need transversely punch in the side can realize, then will process the tip and shutoff with the end cap.
The middle body 3 of this scheme structural design is unique and reliable, and two exhaust passage of its creative design, and wherein an exhaust passage is exhaust passage three 27 for part definition of exhaust passage one 10, and exhaust passage three 27 is the slant passageway, and the lateral space that its middle part that is close to middle body 3 as far as possible reduces occupation, and the lower extreme is the axial setting, so the drilling design of being convenient for.
In this embodiment, an I-cavity 12 is formed between the inner side wall of the exhaust passage and the outer side wall of the upper body 2, and the I-cavity 12 is located at the lower side of the control diaphragm 9. The I cavity 12 is connected with a parking air chamber.
In order to save space and to maximize space utilization, the bottom surface of the I-cavity 12 is flush with the bottom surface of the first exhaust channel 10, and this structure is convenient for both processing and molding.
In this embodiment, the lower end surface of the upper body 2 is an arc-shaped arch surface, the side of the lower end surface is provided with an annular protrusion 13 which plays a role of a valve, and the control diaphragm 9 is abutted against the annular protrusion 13 to block the communication between the air inlet 6 and the air outlet of the quick release valve. The upper end face of the middle body 3 around the exhaust port is provided with a groove 14, and the edge of the control diaphragm 9 is abutted against the edge of the arch surface in the parking braking state. Because a part of the edge of the diaphragm is positioned above the I cavity 12, after compressed gas is introduced into the air inlet 6 of the quick release valve, the compressed gas pushes the diaphragm to move downwards, so that the edge of the diaphragm is separated from contact with the lower end face of the upper body 2. The air flow then flows into the I-chamber 12 and from the I-chamber 12 into the parking chamber of the spring brake cylinder.
In the embodiment, a connecting hole 15 is formed in the top surface of the first control cavity 8, a guide sleeve structure 16 is arranged in the middle of the connecting hole 15, a guide sleeve is connected with the side wall of the connecting hole 15, and an air passage 17 is formed between the guide sleeve and the side wall; the control membrane 9 comprises a slider 18 and a membrane 19, the section of the slider 18 is T-shaped, the slider 18 is slidably arranged in the guide sleeve structure 16, and the lower end of the slider is abutted against the membrane 19. The membrane with the structure can be conveniently controlled, and is convenient to process and low in cost.
In this embodiment, the lower body 4 and the middle body 3 are combined to form a valve cavity 20, the valve cavity 20 is internally provided with a relay piston assembly 21, and the valve further comprises a main air inlet 22, the main air inlet 22 is used for being connected with an air reservoir, the lower body 4 is provided with a main air outlet 23, the main air outlet 23 is used for being connected with a brake air chamber, and the valve further comprises a main air inlet 24, the main air inlet 24 is used for controlling the movement of the relay piston assembly 21, and further comprises a pressure maintaining electromagnetic valve 43 and a pressure reducing electromagnetic valve 44, the pressure maintaining electromagnetic valve 43 and the pressure reducing electromagnetic valve 44 are connected with a controller, and the actions of boosting, pressure maintaining and pressure reducing of the main air outlet 23 are realized by controlling the air inlet of the main air inlet 24 and the main air inlet 22 and controlling the on-off of the pressure maintaining electromagnetic valve 43 and the pressure reducing electromagnetic valve 44.
In this embodiment, the air conditioner further includes a main air exhaust channel 29, the end of the main air exhaust channel 29 is connected with a dust-proof noise reduction filter 25, the air exhaust channel one 10 includes a second air exhaust channel 26 which is designed on the middle body 3 and a third air exhaust channel 27 which is designed on the lower body 4, the tail end of the third air exhaust channel 27 is parallel to the main air exhaust channel 29, and the tail end of the third air exhaust channel 27 is connected to the dust-proof noise reduction filter 25.
The concrete structure is as follows:
the relay piston assembly 21 divides the valve cavity 20 into an A cavity 28 and a main exhaust channel 29, the relay piston assembly 21 comprises a controllable air inlet valve port 30 and an exhaust valve port 31, the exhaust valve port 31 controls the communication and disconnection between the A cavity 28 and the main exhaust channel 29, the air inlet valve port 30 controls the communication and disconnection between the A cavity 28 and an air inlet, wherein when one of the air inlet valve port 30 and the exhaust valve port 31 is opened, the other is in a disconnected state, and when the other is in a disconnected state, the other is in an opened state.
The A cavity 28 is connected with 4 air paths, 2 air pressures are respectively connected to the C cavity 37 and the E cavity 39 through the A channel 32, the B channel 33 and the electromagnetic valve internal channel, the other two air pressures are respectively connected to the B cavity 36 and the D cavity 38 through the C channel 34 and the D channel 35, the B cavity 36, the C cavity 37, the D cavity 38 and the E cavity 39 are respectively corresponding to a diaphragm assembly 40, and the diaphragm assembly 40 controls the communication and disconnection of the main air outlet 23 and the B cavity 36, the C cavity 37, the D cavity 38 and the E cavity 39.
The specific working process is as follows:
the main control port of the upper half part of the rear axle control module with the relay valve assembly is connected with the air outlet of the air brake valve; the main air inlet 22 is connected with the air reservoir; the openings 2321 and 22 of the main air outlet are connected with the left and right brake air chambers; the screw plug on the electromagnetic valve assembly is connected with the ABS controller, and is a safety device for preventing wheels from being locked by braking in the braking process, avoiding the wheels from sliding purely on the road surface, improving the directional stability and steering control capability of the automobile in the braking process and shortening the braking distance.
Boosting: the automobile is braked by running, the electromagnetic valve is not electrified, the relay piston assembly 21 comprises a main piston 41 and a valve assembly 42, air pressure at an air outlet of an air brake valve enters from a main control port and pushes the main piston 41 to move downwards, the air outlet valve contacts with the valve assembly 42 to close an exhaust valve port 31 and push the valve assembly 42 to move downwards, an air inlet valve port 30 is opened, compressed air from the main air inlet 22 enters into an A cavity 28 through an air inlet valve port 30a, the air pressure is divided into 4 paths, 2 paths of air pressure respectively pass through an A channel 32, a B channel 33 and an integrated double two-position three-way electromagnetic valve internal channel, enter into a C cavity 37 and an E cavity 39 to push against a diaphragm assembly 40, and the other 2 paths of air pressure respectively push against the diaphragm assemblies 40 under the B cavity 36 and the D cavity 38 to give off air from a main air outlet 2321 port and a 22 port.
And (3) pressure maintaining: the automobile is braked by running, the electromagnetic valve is not electrified, the relay piston assembly 21 comprises a main piston 41 and a valve assembly 42, air pressure at an air outlet of an air brake valve enters from a main control port and pushes the main piston 41 to move downwards, the air outlet valve contacts with the valve assembly 42 to close an exhaust valve port 31 and push the valve assembly 42 to move downwards, an air inlet valve port 30 is opened, compressed air from the main air inlet 22 enters into an A cavity 28 through an air inlet valve port 30a, the air pressure is divided into 4 paths, 2 paths of air pressure respectively pass through an A channel 32, a B channel 33 and an integrated double two-position three-way electromagnetic valve internal channel, enter into a C cavity 37 and an E cavity 39 to push against a diaphragm assembly 40, and the other 2 paths of air pressure respectively push against the diaphragm assemblies 40 under the B cavity 36 and the D cavity 38 to give off air from a main air outlet 2321 port and a 22 port. When the pressure maintaining solenoid valve 43 is energized: the air pressure of the A channel 32 and the B channel 33 enters the B cavity 36 and the D cavity 38 by opening the internal channels of the integrated double two-position three-way electromagnetic valve, and the diaphragm assembly 40 is propped under the action of the air pressure and the conical spring, so that the air inlet is cut off, and the air pressure of the openings 2321 and 22 of the main air outlet is kept unchanged.
Decompression process: the automobile is braked by running, the electromagnetic valve is not electrified, the relay piston assembly 21 comprises a main piston 41 and a valve assembly 42, air pressure at an air outlet of an air brake valve enters from a main control port and pushes the main piston 41 to move downwards, the air outlet valve contacts with the valve assembly 42 to close an exhaust valve port 31 and push the valve assembly 42 to move downwards, an air inlet valve port 30 is opened, compressed air from the main air inlet 22 enters into an A cavity 28 through an air inlet valve port 30a, the air pressure is divided into 4 paths, 2 paths of air pressure respectively pass through an A channel 32, a B channel 33 and an integrated double two-position three-way electromagnetic valve internal channel, enter into a C cavity 37 and an E cavity 39 to push against a diaphragm assembly 40, and the other 2 paths of air pressure respectively push against the diaphragm assemblies 40 under the B cavity 36 and the D cavity 38 to give off air from a main air outlet 2321 port and a 22 port. When the pressure maintaining solenoid valve 43 and the pressure reducing solenoid valve 44 are energized: the air pressure of the A channel 32 and the B channel 33 enters the B cavity 36 and the D cavity 38 through the opened internal channels of the integrated double two-position three-way electromagnetic valve, and the diaphragm assembly 40 is propped under the action of the air pressure and the cone spring, so that the air inlet is blocked. The pressure reducing electromagnetic valve 44 is electrified, the channels of the integrated double two-position three-way electromagnetic valve are cut off, the air pressure of the C cavity 37 and the E cavity 39 is discharged from the exhaust ports in the electromagnetic valve through the C channel 34 and the D channel 35, and the air pressure of the ports of the main air outlet 2321 respectively pushes up the membrane assemblies 40 of the C cavity 37 and the E cavity 39, so that the air pressure of the ports of the main air outlet 2321 and the 22 is discharged from the exhaust ports in the electromagnetic valve, and the braking is released.
Example 2
The difference with the embodiment is that the air inlet and the control air inlet are provided with air inlet filter screens.
Example 3
The difference from example 1 is that: the axis of the primary air intake 22 is disposed perpendicular to the axis of the primary exhaust passage 29.
Claims (8)
1. Rear axle control module that has quick release valve, its characterized in that: the valve comprises a valve body (1), wherein the valve body (1) comprises an upper body (2), a middle body (3) and a lower body (4) from top to bottom, the upper body (2) is integrated with a quick release valve module (5), the valve body comprises a quick release valve air inlet (6) and a quick release valve air outlet (7), the upper body (2) is connected with the middle body (3), a first control cavity (8) is formed between the lower end face of the upper body (2) and the upper end face of the middle body (3), a first control diaphragm (9) is arranged in the first control cavity (8), an exhaust hole (11) is formed in the upper end face of the middle body (3), an exhaust channel I (10) is arranged in the middle body (3), the first exhaust channel (10) is communicated with the outside and is communicated with the exhaust hole (11), the first control cavity (8) at the upper side of the first control diaphragm (9) is communicated with the quick release valve air inlet (6), and the first control cavity (8) at the lower side of the control diaphragm (9) is communicated with the exhaust hole (11) and is communicated with a spring brake cylinder; in a parking braking state, compressed air in a parking air chamber is acted on the lower part of the control diaphragm (9), and the parking air chamber is communicated with the exhaust hole (11); when in parking contact, compressed air of the quick release valve air inlet (6) can push the control diaphragm (9) to move downwards, the diaphragm clings to the exhaust hole (11) to block the communication between the quick release valve air inlet (6) and the exhaust channel I (10), and the compressed air of the quick release valve air inlet (6) enters the parking air chamber through the quick release valve air outlet (7) so as to release the parking brake.
2. The rear axle control module integrated with a quick release valve of claim 1, wherein: an I cavity (12) is formed between the inner side wall of the exhaust channel and the outer side wall of the upper body (2), and the I cavity (12) is positioned at the lower side of the control diaphragm (9).
3. The rear axle control module integrated with a quick release valve of claim 2, wherein: the bottom surface of the I cavity (12) is flush with the bottom surface of the first exhaust channel (10).
4. The rear axle control module integrated with a quick release valve of claim 1, wherein: the lower end face of the upper body (2) is an arc-shaped arch face, an annular bulge (13) which plays a role of a valve is arranged on the side of the lower end face, and the control diaphragm (9) is abutted against the annular bulge (13) to block the communication between the air inlet (6) and the air outlet of the quick release valve.
5. The rear axle control module integrated with a quick release valve of claim 4, wherein: the upper end face of the middle body (3) around the exhaust port is provided with a groove (14), and when the parking brake is in a parking brake state, the edge of the control diaphragm (9) is abutted against the edge of the arch surface.
6. The rear axle control module integrated with a quick release valve of claim 1, wherein: a connecting hole (15) is formed in the top surface of the first control cavity (8), a guide sleeve structure (16) is arranged in the middle of the connecting hole (15), the guide sleeve is connected with the side wall of the connecting hole (15), and an air passage (17) is formed between the guide sleeve and the side wall; the control membrane (9) comprises a sliding block (18) and a membrane body (19), the section of the sliding block (18) is T-shaped, the sliding block (18) is slidably arranged in the guide sleeve structure (16), and the lower end of the sliding block is abutted against the membrane body (19).
7. The rear axle control module integrated with a quick release valve of claim 1, wherein: the lower body (4) and the middle body (3) are combined to form a valve cavity (20), a relay piston assembly (21) is arranged in the valve cavity (20), the valve cavity further comprises a main air inlet (22), the main air inlet (22) is connected with an air storage cylinder, a main air outlet (23) is arranged on the lower body (4), the main air outlet (23) is connected with a brake air chamber, the valve cavity further comprises a main control air inlet (24), the main control air inlet (24) is used for controlling the movement of the relay piston assembly (21), the valve cavity further comprises a pressure maintaining electromagnetic valve (43) and a pressure reducing electromagnetic valve (44), the pressure maintaining electromagnetic valve (43) and the pressure reducing electromagnetic valve (44) are connected with a controller, and the actions of boosting, pressure maintaining and pressure reducing of the main air outlet (23) are achieved by controlling the on-off of the main control air inlet (24) and the pressure maintaining electromagnetic valve (43) and the pressure reducing electromagnetic valve (44).
8. The rear axle control module integrated with a quick release valve of claim 7, wherein: the novel dust-proof and noise-reducing device comprises a middle body (3), and is characterized by further comprising a main exhaust channel (29), wherein the end part of the main exhaust channel (29) is connected with a dust-proof and noise-reducing filter (25), the first exhaust channel (10) comprises a second exhaust channel (26) which is transversely designed and is arranged on the middle body (3) and a third exhaust channel (27) which is transversely designed and is arranged on the lower body (4), the tail end of the third exhaust channel (27) is parallel to the main exhaust channel (29), and the tail end of the third exhaust channel (27) is connected to the dust-proof and noise-reducing filter (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290081.4U CN219883836U (en) | 2023-05-23 | 2023-05-23 | Rear axle control module integrated with quick release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290081.4U CN219883836U (en) | 2023-05-23 | 2023-05-23 | Rear axle control module integrated with quick release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219883836U true CN219883836U (en) | 2023-10-24 |
Family
ID=88408214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321290081.4U Active CN219883836U (en) | 2023-05-23 | 2023-05-23 | Rear axle control module integrated with quick release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219883836U (en) |
-
2023
- 2023-05-23 CN CN202321290081.4U patent/CN219883836U/en active Active
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