CN219727799U - Pressure relief valve device and vehicle - Google Patents
Pressure relief valve device and vehicle Download PDFInfo
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- CN219727799U CN219727799U CN202320546225.1U CN202320546225U CN219727799U CN 219727799 U CN219727799 U CN 219727799U CN 202320546225 U CN202320546225 U CN 202320546225U CN 219727799 U CN219727799 U CN 219727799U
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- proof housing
- pressure release
- flip
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- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present disclosure relates to a pressure release valve device and a vehicle, the pressure release valve device including a pressure release valve body, a sound-proof housing body, and a sound-proof housing flip; one side of the pressure release valve body is used for being connected with the vehicle body of the vehicle, and the sound insulation cover body is positioned at one side of the pressure release valve body far away from the vehicle body; the sound-proof housing flip cover is arranged on one side, far away from the pressure release valve body, of the sound-proof housing body and is rotatably connected with the sound-proof housing body, a first transmission mechanism is arranged on the sound-proof housing flip cover, a second transmission mechanism in transmission connection with the first transmission mechanism is arranged on the sound-proof housing body, the sound-proof housing flip cover can rotate towards the direction close to the sound-proof housing body or rotate towards the direction far away from the sound-proof housing body through transmission cooperation of the two transmission mechanisms, so that the opening area of the sound-proof housing body is adjusted, and the ventilation area of a ventilation duct formed between the pressure release valve body and the sound-proof housing body can be adjusted, so that the sound-proof housing flip cover is suitable for different pressure release scene requirements.
Description
Technical Field
The disclosure relates to the technical field of vehicle crashworthiness, and in particular relates to a pressure relief valve device and a vehicle.
Background
The pressure release valve device is a device for releasing pressure. At present, a pressure release valve device on a vehicle comprises a pressure release valve body and a sound insulation cover arranged on the pressure release valve body, wherein a sound insulation cover is arranged on the pressure release valve body to insulate sound.
However, the position between the sound-proof housing and the pressure release valve body of the present pressure release valve device is fixed, so that the ventilation area of the ventilation air duct for releasing pressure formed between the pressure release valve body and the sound-proof housing is fixed, and thus the pressure release requirements of different scenes cannot be met.
Disclosure of Invention
In order to solve the technical problem, the present disclosure provides a pressure relief valve device and a vehicle.
In a first aspect, the present disclosure provides a pressure relief valve apparatus comprising a pressure relief valve body, a sound enclosure body, and a sound enclosure flip;
one side of the pressure release valve body is used for being connected with a vehicle body of a vehicle, and the sound-proof housing body is positioned at one side of the pressure release valve body far away from the vehicle body;
the sound-proof cover is characterized in that the sound-proof cover flip cover is arranged on one side, far away from the pressure release valve body, of the sound-proof cover body and is rotatably connected with the sound-proof cover body, a first transmission mechanism is arranged on the sound-proof cover flip cover, a second transmission mechanism is arranged on the sound-proof cover body and corresponds to the first transmission mechanism, the second transmission mechanism is in transmission connection with the first transmission mechanism, and the sound-proof cover flip cover can rotate towards the direction close to the sound-proof cover body or towards the direction far away from the sound-proof cover body through transmission cooperation of the first transmission mechanism and the second transmission mechanism.
According to one embodiment of the disclosure, the first transmission mechanism includes a rack extending along a height direction of the sound-proof housing body, the second transmission mechanism includes a driving member and a driving gear matched with the rack, and the driving member is used for driving the driving gear to rotate, so that the rack drives the sound-proof housing flip to rotate relative to the sound-proof housing body.
According to one embodiment of the disclosure, the sound-proof housing body is provided with a first connecting hole, a second connecting hole is formed in a position, corresponding to the first connecting hole, of the driving piece, and the driving piece is connected to the sound-proof housing body through a fastener penetrating through the first connecting hole and the second connecting hole.
According to one embodiment of the present disclosure, the pressure relief valve device further includes a door sensor provided on a door of a vehicle to detect an open-closed state of the door, and a controller; the controller is respectively and electrically connected with the vehicle door sensor and the driving piece so as to control the driving piece to drive the sound-proof cover flip to rotate according to the opening and closing state of the vehicle door;
when the vehicle door is in an open state, the driving piece drives the sound-proof cover flip to rotate in a direction away from the sound-proof cover body; when the vehicle door is in a closed state, the driving piece drives the sound-proof cover flip to rotate towards the direction close to the sound-proof cover body.
According to one embodiment of the disclosure, a first clamping portion is arranged on the sound-proof housing body, a second clamping portion is arranged on the pressure release valve body, and the sound-proof housing body is connected with the pressure release valve body through clamping fit of the first clamping portion and the second clamping portion.
According to one embodiment of the present disclosure, one of the first clamping portion and the second clamping portion is a clamping protrusion, and the other of the second clamping portion and the second clamping portion is a clamping hole matched with the clamping protrusion.
According to one embodiment of the present disclosure, the first transmission mechanism is centrally disposed on the soundproof cover flip along a length direction of the soundproof cover flip.
According to one embodiment of the disclosure, the first transmission mechanisms comprise two first transmission mechanisms, and the two first transmission mechanisms are arranged at intervals along the length direction of the sound-proof cover flip; the second transmission mechanisms comprise two transmission mechanisms, and the second transmission mechanisms are in one-to-one correspondence with the first transmission mechanisms.
According to one embodiment of the present disclosure, the soundproof cover body is connected with the soundproof cover flip through a rotation hinge.
In a second aspect, the present disclosure provides a vehicle comprising a vehicle body and a pressure relief valve device disposed on the vehicle body.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the disclosure provides a pressure relief valve device and a vehicle, the pressure relief valve device comprises a pressure relief valve body, a sound-proof housing body and a sound-proof housing flip; one side of the pressure release valve body is used for being connected with the vehicle body of the vehicle, and the sound insulation cover body is positioned at one side of the pressure release valve body far away from the vehicle body; the sound-proof cover flip cover is arranged on one side, far away from the pressure release valve body, of the sound-proof body and is rotatably connected with the sound-proof body, a first transmission mechanism is arranged on the sound-proof cover flip cover, a second transmission mechanism is arranged at a position, corresponding to the first transmission mechanism, on the sound-proof body and is in transmission connection with the first transmission mechanism, and the sound-proof cover flip cover can rotate relative to the sound-proof body towards a direction close to the sound-proof body or towards a direction far away from the sound-proof body through transmission cooperation of the first transmission mechanism and the second transmission mechanism. That is, the pressure release valve device that this disclosure provided through setting up sound proof housing body and sound proof housing flip, and sound proof housing flip can rotate for the sound proof housing body through the cooperation of first drive mechanism and second drive mechanism to adjust the open area of sound proof housing body, and then can realize that the ventilation area in the ventilation wind channel that forms between pressure release valve body and the sound proof housing body is adjustable, in order to be applicable to different pressure release scene demands.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a pressure relief valve device according to an embodiment of the disclosure;
fig. 2 is a schematic structural diagram of a pressure relief valve device according to an embodiment of the disclosure.
Reference numerals:
1. a pressure relief valve body; 2. a sound-proof cover body; 21. a second transmission mechanism; 211. a driving member; 212. a drive gear; 3. a sound-proof cover flip; 31. a first transmission mechanism; 311. a rack; 4. sheet metal of a vehicle body; 5. and rotating the hinge.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
Example 1
Referring to fig. 1 to 2, the present embodiment provides a pressure release valve device including a pressure release valve body 1, a soundproof cover body 2, and a soundproof cover flip 3.
Wherein, one side of relief valve body 1 is used for being connected with the automobile body panel beating 4 of vehicle, and sound proof housing body 2 is located the one side of keeping away from automobile body panel beating 4 of relief valve body 1.
The sound-proof housing flip 3 covers and establishes in the sound-proof housing body 2 one side of keeping away from relief valve body 1 and with sound-proof housing body 2 rotatable coupling, be provided with first drive mechanism 31 on the sound-proof housing flip 3, the position that corresponds with first drive mechanism 31 on the sound-proof housing body 2 is provided with second drive mechanism 21, second drive mechanism (21) are connected with first drive mechanism (31) transmission, sound-proof housing flip 3 can rotate or rotate towards the direction of keeping away from the sound-proof housing body 2 towards the direction that is close to the sound-proof housing body 2 for sound-proof housing body 2, and then can realize that the open area of sound-proof housing body 2 forms between relief valve body 1 and the sound-proof housing body 2 ventilative wind channel's ventilation area is adjustable, in order to be applicable to different pressure release scene demands.
In particular, when the soundproof cover is implemented, referring to fig. 1, the soundproof cover body 2 may be located on the pressure release valve body 1, the soundproof cover flip 3 is located above the soundproof cover body 2, and the soundproof cover flip 3 may rotate along s1 direction shown in fig. 2 relative to the soundproof cover body 2 through the cooperation of the first transmission mechanism 31 and the second transmission mechanism 21, so that the covering area of the soundproof cover flip 3 on the soundproof cover body 2 is reduced, that is, the opening area of the soundproof cover body 2 is increased, and then the ventilation area of the ventilation duct formed between the pressure release valve body 1 and the soundproof cover body 2 is increased, so as to realize rapid and efficient pressure release of the pressure release valve device.
Or, the sound-proof cover 3 can rotate along s2 direction shown in fig. 2 relative to the sound-proof cover body 2 through the cooperation of the first transmission mechanism 31 and the second transmission mechanism 21, so that the covering area of the sound-proof cover 3 to the sound-proof cover body 2 is increased, namely, the opening area of the sound-proof cover body 2 is reduced, and then the ventilation area of a ventilation air duct formed between the pressure release valve body 1 and the sound-proof cover body 2 is reduced, so that the sound-proof effect of the sound-proof cover is ensured to be better, the noise influence can be reduced, the sound-proof cover has excellent road noise performance when ensuring that the in-car personnel have good ear pressure feeling, and the NVH (noise, vibration and harshness, noise, vibration, harshness) performance is improved.
Illustratively, when the door of the vehicle is in the open state, the soundproof cover 3 may be made to rotate in the s1 direction shown in fig. 1 with respect to the soundproof cover body 2 by the cooperation of the first transmission mechanism 31 and the second transmission mechanism 21 at this time, so that the covering area of the soundproof cover 3 with respect to the soundproof cover body 2 is reduced, that is, the opening area of the soundproof cover body 2 is increased, and quick and efficient pressure relief may be achieved. When the door of the vehicle is in a closed state, the soundproof cover flip 3 can be made to rotate in the s2 direction shown in fig. 1 relative to the soundproof cover body 2 through the cooperation of the first transmission mechanism 31 and the second transmission mechanism 21, so that the covering area of the soundproof cover flip 3 to the soundproof cover body 2 is increased, and the ventilation area of the pressure release valve body 1 is smaller, so that the noise influence can be reduced.
In a specific implementation, the sound-proof cover flip 3 can be rotatably connected with the sound-proof cover body 2 through the rotating hinge 5.
To sum up, the pressure release valve device provided in this embodiment, through setting up the sound proof housing body 2 and sound proof housing flip 3, and sound proof housing flip 3 can rotate for sound proof housing body 2 through the cooperation of first drive mechanism 31 and second drive mechanism 21 to adjust the open area of sound proof housing body 2, and then can realize that the ventilation area in the ventilation wind channel that forms between pressure release valve body 1 and the sound proof housing body 2 is adjustable, in order to be applicable to different pressure release scene demands.
Referring to fig. 1 to 2, in some embodiments, the first transmission mechanism 31 includes a rack 311 extending along the height direction of the soundproof cover body 2, and the second transmission mechanism 21 includes a driving member 211 and a driving gear 212 engaged with the rack 311, and the driving member 211 is configured to drive the driving gear 212 to rotate, so that the rack 311 drives the soundproof cover flip 3 to rotate relative to the soundproof cover body 2.
In particular, when the sound-proof housing body 2 is provided with a driving piece 211 and a driving gear 212 at the position corresponding to the rack 311, the driving gear 212 is matched with the rack 311, and the driving gear 212 is driven to rotate by the driving piece 211, so that the rack 311 is driven to rotate along the s1 direction or the s2 direction shown in fig. 2 by the driving gear 212, and then the sound-proof housing body 2 can rotate towards the direction close to the sound-proof housing body 2 or rotate towards the direction far away from the sound-proof housing body 2, so that the opening area of the sound-proof housing body 2 is adjusted, and the ventilation area of a ventilation air duct formed between the pressure release valve body 1 and the sound-proof housing body 2 can be adjusted, so that the sound-proof housing is suitable for different pressure release scene requirements.
For example, when the pressure release capability of the pressure release valve device needs to be increased, the driving gear 212 can be driven to rotate clockwise at this time by the driving piece 211, so that the rack 311 is driven to rotate along the s1 direction shown in fig. 2 by the driving gear 212, so as to drive the sound-proof cover flip 3 to rotate towards a direction away from the sound-proof cover body 2, so as to increase the opening area of the sound-proof cover body 2. When the pressure release capability of the pressure release valve device needs to be reduced, the driving gear 212 can be driven to rotate anticlockwise through the driving piece 211, so that the rack 311 can be driven to rotate along the s2 direction shown in fig. 2 through the driving gear 212, and the sound-proof cover flip 3 is driven to rotate towards the direction close to the sound-proof cover body 2, so that the opening area of the sound-proof cover body 2 is reduced.
In some embodiments, the sound-proof housing body 2 is provided with a first connecting hole, the position of the driving piece 211 corresponding to the first connecting hole is provided with a second connecting hole, and the driving piece 211 is connected to the sound-proof housing body 2 through a fastener penetrating through the first connecting hole and the second connecting hole, so that the sound-proof housing body 2 and the driving piece 211 can be reliably connected.
For example, the first and second connection holes may be screw holes, and the fastener may be a screw or a bolt. Alternatively, the first and second connection holes may be light holes and the fastener may be a fastening pin.
In other implementations of the present embodiment, the driving member 211 may also be fastened to the sound-proof housing body 2 by clamping or welding.
The driving member 211 may be, for example, a driving motor or a driving cylinder. In addition, through setting up the driving piece 211 detachably and connecting on the sound proof housing body 2, can be when one of them trouble of sound proof housing body 2 and driving piece 211, the dismantlement separation of the two of being convenient for realize to be convenient for change one of trouble can, in order to save the cost.
In some embodiments, the pressure relief valve device further includes a door sensor provided on a door of the vehicle to detect an open-closed state of the door, and a controller; the controller is respectively and electrically connected with the door sensor and the driving piece 211 to control the driving piece 211 to drive the sound-proof cover flip 3 to rotate according to the opening and closing state of the door; when the vehicle door is in an open state, the driving piece 211 drives the sound-proof cover flip 3 to rotate in a direction away from the sound-proof cover body 2; when the door is in the closed state, the driving member 211 drives the soundproof cover lid 3 to rotate toward the soundproof cover body 2.
When the door sensor detects that the door of the vehicle is in an open state, the controller controls the driving piece 211 to drive the gear 212 to rotate at the moment, and then drives the rack 311 to rotate so as to drive the sound-proof cover flip 3 to rotate along the s1 direction shown in fig. 2 relative to the sound-proof cover body 2, at the moment, the ventilation area of the pressure release valve body 1 is large, and rapid and efficient pressure release can be realized. When the door sensor detects that the door of the vehicle is in a closed state, the controller controls the driving gear 212 to rotate at the moment, and then drives the rack 311 to rotate so as to drive the sound-proof cover flip 3 to move along the direction s2 shown in fig. 2 relative to the sound-proof cover body 2, at the moment, the ventilation area of the pressure release valve body 1 is smaller, the noise influence can be reduced, and the excellent road noise performance is achieved while the good ear pressure feeling of personnel in the vehicle is ensured when the door is opened.
In some embodiments, the sound-proof housing body 2 may be detachably connected with the pressure release valve body 1, and when one of the pressure release valve body 1 and the driving piece 211 sound-proof housing body 2 fails, detachment and separation of the two may be conveniently realized, so that the failed one may be replaced conveniently, so as to save cost.
Specifically, the connection structure between the sound-proof housing body 2 and the pressure release valve body 1 may be: be provided with first joint portion on the sound-proof housing body 2, be provided with second joint portion on the relief valve body 1, the sound-proof housing body 2 is connected with the relief valve body 1 through the joint cooperation of first joint portion and second joint portion to this reliable connection that realizes sound-proof housing body 2 and relief valve body 1.
Specifically, one of the first clamping part and the second clamping part is a clamping protrusion, and the other one of the second clamping part and the second clamping part is a clamping hole matched with the clamping protrusion. For example, a clamping protrusion can be arranged on the pressure release valve body 1, and a clamping hole is arranged on the sound insulation cover body 2; alternatively, a hole may be provided in the pressure release valve body 1, and a locking protrusion may be provided in the sound-proof housing body 2.
In particular, when the first transmission mechanism 31 is provided as one, in order to achieve a smooth rotation of the soundproof cover flip 3, the first transmission mechanism 31 may be provided to be centered in the length direction (refer to the x direction shown in fig. 1) along the soundproof cover flip 3.
Referring to fig. 1 to 2, in some embodiments, the first transmission mechanism 31 may include two first transmission mechanisms 31, and the two first transmission mechanisms 31 are spaced apart along the length direction of the soundproof cover flip 3; the second transmission mechanisms 21 are two, and the second transmission mechanisms 21 are in one-to-one correspondence with the first transmission mechanisms 31. That is, by setting the first transmission mechanisms 31 to be two and simultaneously setting the second transmission mechanisms 21 to be in one-to-one correspondence with the first transmission mechanisms 31, the rotation of the soundproof cover flip 3 relative to the soundproof cover body 2 can be more stable through the corresponding cooperation of the two first transmission mechanisms 31 and the two second transmission mechanisms 21.
Example two
Referring to fig. 1 to 2, the present embodiment further provides a vehicle, including a vehicle body and a pressure release valve device disposed in the vehicle body.
The specific structure and implementation principle of the pressure relief valve device in this embodiment are the same as those of the pressure relief valve device provided in the first embodiment, and the same or similar technical effects can be brought, which are not described in detail herein, and the description of the first embodiment can be referred to specifically.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The pressure release valve device is characterized by comprising a pressure release valve body, a sound insulation cover body and a sound insulation cover flip;
one side of the pressure release valve body is used for being connected with a vehicle body of a vehicle, and the sound-proof housing body is positioned at one side of the pressure release valve body far away from the vehicle body; the sound-proof cover flip cover is arranged on one side of the sound-proof cover body far away from the pressure release valve body and is rotatably connected with the sound-proof cover body;
be provided with first drive mechanism on the sound-proof housing flip, on the sound-proof housing body with the position that first drive mechanism corresponds is provided with second drive mechanism, second drive mechanism with first drive mechanism transmission is connected, the sound-proof housing flip passes through first drive mechanism with second drive mechanism's transmission cooperation can be for the sound-proof housing body is along being close to the direction rotation of sound-proof housing body or the orientation is kept away from the direction rotation of sound-proof housing body.
2. The pressure relief valve device according to claim 1, wherein said first transmission mechanism comprises a rack extending in a height direction of said sound housing body, and said second transmission mechanism comprises a driving member and a driving gear engaged with said rack, said driving member being configured to drive said driving gear to rotate so that said rack rotates said sound housing flip relative to said sound housing body.
3. The pressure release valve device according to claim 2, wherein a first connecting hole is provided in the sound-proof housing body, a second connecting hole is provided in the driving member at a position corresponding to the first connecting hole, and the driving member is connected to the sound-proof housing body by a fastener penetrating through the first connecting hole and the second connecting hole.
4. The pressure release valve device according to claim 2, further comprising a door sensor provided on a door of a vehicle to detect an open-closed state of the door, and a controller; the controller is respectively and electrically connected with the vehicle door sensor and the driving piece so as to control the driving piece to drive the sound-proof cover flip to rotate according to the opening and closing state of the vehicle door;
the driving piece is used for driving the sound-proof cover flip to rotate towards a direction away from the sound-proof cover body when the vehicle door is in an open state; the driving piece is used for driving the sound-proof cover flip to rotate towards the direction close to the sound-proof cover body when the vehicle door is in a closed state.
5. The pressure relief valve device according to claim 1, wherein a first clamping portion is arranged on the sound-proof housing body, a second clamping portion is arranged on the pressure relief valve body, and the sound-proof housing body is connected with the pressure relief valve body through clamping fit of the first clamping portion and the second clamping portion.
6. The pressure relief valve device of claim 5, wherein one of the first and second clamping portions is a clamping projection and the other of the second and second clamping portions is a clamping hole that mates with the clamping projection.
7. The pressure relief valve device according to any one of claims 1-6, wherein said first transmission mechanism is centrally disposed on said septum cap flip along a length of said septum cap flip.
8. The pressure relief valve device according to any one of claims 1-6, wherein said first transmission mechanism comprises two, two of said first transmission mechanisms being spaced apart along a length of said sound housing flip;
the second transmission mechanisms comprise two transmission mechanisms, and the second transmission mechanisms are in one-to-one correspondence with the first transmission mechanisms.
9. The pressure relief valve device according to any one of claims 1-6 wherein said sound housing body is connected to said sound housing flip by a swivel hinge.
10. A vehicle comprising a vehicle body and the pressure release valve device according to any one of claims 1 to 9 provided on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320546225.1U CN219727799U (en) | 2023-03-16 | 2023-03-16 | Pressure relief valve device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320546225.1U CN219727799U (en) | 2023-03-16 | 2023-03-16 | Pressure relief valve device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727799U true CN219727799U (en) | 2023-09-22 |
Family
ID=88055975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320546225.1U Active CN219727799U (en) | 2023-03-16 | 2023-03-16 | Pressure relief valve device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727799U (en) |
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2023
- 2023-03-16 CN CN202320546225.1U patent/CN219727799U/en active Active
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