Pressure release valve and vehicle with same
By designing a pressure relief valve on the vehicle and using a drive mechanism to control the valve's movement, the problem of ear pressure when the door is closed is solved, enabling rapid ventilation and preventing foreign objects from entering, thus improving the user experience and vehicle performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-04-07
AI Technical Summary
When closing the car door, the air resistance and air pressure difference can cause discomfort to the user's ears, affecting the user experience.
Design a pressure relief valve that controls the valve to open or close the valve port through a drive mechanism, thereby opening or closing the airflow channel between the passenger compartment and the outside of the vehicle, improving the door closing speed performance, reducing ear pressure sensation, and preventing foreign objects from entering.
It improves the speed of door closing, reduces ear pressure sensitivity, ensures the airtightness and quietness of the vehicle, and enhances the user experience.
Smart Images

Figure CN224089995U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field especially is related to a pressure relief valve and vehicle with it. BACKGROUND
[0002] With the rapid development of the automobile industry, the user's requirement for the intelligent degree and comfort of the automobile is higher and higher, in the process of closing the door, due to the influence of air resistance, air pressure and other factors, it is easy to cause the user's ear to be uncomfortable, which greatly influences the user's use experience. UTILITY MODEL CONTENTS
[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a pressure relief valve, which can improve the door closing speed performance, improve the ear pressure feeling of the user in the vehicle when closing the door, and improve the user's use experience.
[0004] The utility model further provides a vehicle, which comprises the pressure relief valve.
[0005] The pressure relief valve according to the utility model embodiment is used for a vehicle and comprises: a body, which is arranged on a vehicle body, and has a valve port for communicating inside and outside the vehicle; a valve door, which is movably arranged at the valve port and used for opening or closing the valve port; and a driving mechanism, which is arranged in the valve port and connected with the valve door and used for driving the valve door to move relative to the valve port.
[0006] The pressure relief valve according to the utility model embodiment drives the valve door to move relative to the valve port through the driving mechanism, can control the valve door to open or close the valve port according to the state of the vehicle, opens the airflow passage between the passenger compartment and the outside of the vehicle when the valve door opens the valve port, improves the door closing speed performance, improves the ear pressure feeling of the user in the vehicle when closing the door, and improves the user's use experience; closes the airflow passage between the passenger compartment and the outside of the vehicle when the valve door closes the valve port, prevents dust, sand and other sundries from entering the vehicle through the valve port, guarantees the air tightness of the vehicle, guarantees the quietness of the passenger compartment, and improves the NVH performance of the vehicle.
[0007] In addition, the pressure relief valve according to the utility model can also have the following additional technical features:
[0008] In some embodiments, the driving mechanism comprises a driving motor for driving the valve door to move relative to the valve port.
[0009] In some embodiments, the driving mechanism further comprises a cam connected with the driving motor and the valve door, the driving motor drives the cam to rotate, and the valve door is spaced apart from the center of the cam in the radial direction of the cam.
[0010] In some embodiments, the driving mechanism further comprises a housing detachably arranged on the body, the driving motor is arranged in the housing, and a pin is arranged on the housing and electrically connected with the driving motor.
[0011] In some embodiments, the driving mechanism is connected with the body by a fastener.
[0012] In some embodiments, a reinforcing rib is arranged in the valve port.
[0013] In some embodiments, the valve port comprises a plurality of sub-valve ports, the valve comprises a plurality of sub-valves, the plurality of sub-valves correspond to the plurality of sub-valve ports one by one, the driving mechanism is arranged between any two adjacent sub-valve ports of the plurality of sub-valve ports, and the driving mechanism is connected with the plurality of sub-valves for driving the plurality of sub-valves to move simultaneously and synchronously relative to the sub-valve ports.
[0014] The vehicle according to the present application comprises: a vehicle body; and the pressure relief valve described above, wherein the body is arranged on the vehicle body.
[0015] According to the vehicle of the present application, the pressure relief valve described above is arranged, the valve is driven to move relative to the valve port by the driving mechanism, the valve port is opened or closed according to the state of the vehicle, the airflow passage between the passenger cabin and the outside of the vehicle is opened when the valve port is opened, the closing speed performance of the vehicle door is improved, the ear pressure feeling of the user in the vehicle is improved when the vehicle door is closed, and the use experience of the user is improved; the airflow passage between the passenger cabin and the outside of the vehicle is closed when the valve port is closed, the dust, sand and other sundries are prevented from entering the vehicle through the valve port, the air tightness of the vehicle is ensured, the quietness of the passenger cabin is ensured, and the NVH performance of the vehicle is improved.
[0016] In addition, the vehicle according to the present application can also have the following additional technical features:
[0017] In some embodiments, the body is clamped with the vehicle body.
[0018] In some embodiments, a sealing ring is arranged between the body and the vehicle body, and the sealing ring extends along the circumferential direction of the body.
[0019] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0020] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
[0021] Figure 1 is a perspective view of one angle of a pressure relief valve according to an embodiment of the present utility model, wherein the valve is in a first position;
[0022] Figure 2 is a perspective view of a pressure relief valve according to an embodiment of the present utility model, wherein the valve is in a second position;
[0023] Figure 3 is a perspective view of another angle of a pressure relief valve according to an embodiment of the present utility model, wherein the valve is in a first position;
[0024] Figure 4 is an exploded view of a pressure relief valve according to an embodiment of the present utility model;
[0025] Figure 5 is an exploded view of a valve cooperating with a driving structure of a pressure relief valve according to an embodiment of the present utility model.
[0026] Reference Signs:
[0027] 100, pressure relief valve;
[0028] 1, body; 11, valve port; 111, sub valve port; 12, reinforcing rib; 121, first rib; 122, second rib; 13, sealing ring; 14, buckle; 15, mounting column;
[0029] 2, valve; 20, sub valve; 21, blade; 22, connecting arm; 221, spline shaft;
[0030] 3, driving mechanism; 31, cam; 311, spline hole; 32, housing; 321, pin; 322, mounting lug; 323, mounting hole; 33, fastener. DETAILED DESCRIPTION
[0031] Embodiments of the present utility model are described in detail below, examples of embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present utility model, and cannot be understood as limiting the present utility model.
[0032] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0033] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0034] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0035] The pressure relief valve 100 according to the embodiments of the utility model will be described below with reference to the drawings.
[0036] As shown in Figure 1 The pressure relief valve 100 according to the embodiments of the utility model is used for a vehicle and comprises a body 1, a valve 2 and a driving mechanism 3.
[0037] Specifically, with reference to the drawings Figure 1 And the drawings Figure 2 As shown, the body 1 is arranged on the vehicle body, the body 1 has a valve port 11 for communicating inside and outside the vehicle, the valve 2 is movably arranged at the valve port 11 for opening or closing the valve port 11, and the driving mechanism 3 is arranged in the valve port 11 and connected with the valve 2 for driving the valve 2 to move relative to the valve port 11, which can guarantee the reliability and timeliness of the valve 2 opening the valve port 11 and guarantee the effectiveness of the pressure relief valve 100. By limiting the driving mechanism 3 to be arranged in the valve port 11, the driving mechanism 3 can conveniently drive the valve 2 to move relative to the valve port 11, and the driving difficulty of the driving mechanism 3 is reduced.
[0038] It can be understood that after any one of the four door locks of the vehicle is opened, the whole vehicle area controller inputs the door lock opening signal to the driving mechanism 3, the driving mechanism 3 drives the valve 2 to open the valve port 11 and open to the maximum, the airflow passage between the passenger compartment and the outside of the vehicle is opened, the closing speed performance of the door is improved, the ear pressure feeling of the user in the vehicle when closing the door is improved, and the use experience of the user is improved; after all the four door locks of the vehicle are locked or during the driving of the vehicle, the whole vehicle area controller inputs the door lock closing signal or the vehicle speed signal to the driving mechanism 3, the driving mechanism 3 drives the valve 2 to close the valve port 11, and the stall torque of the driving mechanism 3 always acts on the body 1, so that the closing effect of the valve 2 on the valve port 11 is guaranteed, the airflow passage between the passenger compartment and the outside of the vehicle is closed, dust, sand and other sundries are prevented from entering the vehicle through the valve port 11, the air tightness of the vehicle is guaranteed, the quietness of the passenger compartment is guaranteed, and the NVH (Noise, Vibration, Harshness) performance of the vehicle is improved.
[0039] According to the pressure relief valve 100 in the embodiment of the utility model, the valve 2 is driven to move relative to the valve port 11 by the driving mechanism 3, the valve port 11 can be opened or closed according to the state of the vehicle, when the valve port 11 is opened by the valve 2, the airflow passage between the passenger compartment and the outside of the vehicle is opened, the closing speed performance of the door is improved, the ear pressure feeling of the user in the vehicle when closing the door is improved, and the use experience of the user is improved; when the valve port 11 is closed by the valve 2, the airflow passage between the passenger compartment and the outside of the vehicle is closed, dust, sand and other sundries are prevented from entering the vehicle through the valve port 11, the air tightness of the vehicle is guaranteed, the quietness of the passenger compartment is guaranteed, and the NVH performance of the vehicle is improved.
[0040] In some embodiments of the utility model, the driving mechanism 3 includes a driving motor for driving the valve 2 to move relative to the valve port 11, the driving motor has the advantages of high efficiency, precise control, low noise, reliability, environmental protection, high integration and flexible speed regulation, can guarantee the driving mechanism 3 to drive the valve 2 to move relative to the valve port 11, realize the precise control of the driving motor to the movement of the valve 2, guarantee the reliability and stability of the movement of the valve 2, reduce the noise generated by the operation of the driving mechanism 3 as much as possible, and prolong the service life of the driving mechanism 3 itself.
[0041] In further embodiments of the utility model, referring to FIG. 1, Figure 4 As shown in FIG. 1, the driving mechanism 3 further includes a cam 31, the cam 31 is connected with the driving motor and the valve 2, the driving motor drives the cam 31 to rotate to drive the valve 2 to open or close the valve port 11, along the radial direction of the cam 31, the valve 2 is spaced apart from the center of the cam 31, can make the valve 2 width direction (referring to FIG. 1) of the valve 2 and the center of the cam 31 during the process that the valve 2 moves to open the valve port 11, so that the valve 2 is prevented from being damaged by the cam 31, and the service life of the valve 2 is prolonged. Figure 2The two ends of the a direction shown) are spaced apart from the body 1, so that the opening of the valve port 11 is larger, the air flow of the valve port 11 is improved, the closing speed performance of the vehicle door is further improved, the ear pressure feeling of the user in the vehicle when closing the vehicle door is improved, and the use experience of the user is improved.
[0042] Further, with reference to the accompanying drawings Figure 5 As shown, the cam 31 is provided with a spline hole 311 which is spaced apart from the center of rotation of the cam 31, the valve 2 comprises a blade 21 and a connecting arm 22, the blade 21 is movably arranged at the valve port 11 for opening or closing the valve port 11, one end of the connecting arm 22 is bonded on the blade 21, and the other end has a spline shaft 221 which is arranged in the spline hole 311 and cooperates with the spline hole 311, so that the driving motor drives the cam 31 to rotate with the center of the cam 31 as the center of rotation, thereby driving the connecting arm 22 to rotate, and the connecting arm 22 drives the blade 21 to rotate, so that the blade 21 rotates with the center of the cam 31 as the center of rotation, and the blade 21 opens or closes the valve port 11.
[0043] In further embodiments of the present application, with reference to the accompanying drawings Figure 3 and the accompanying drawings Figure 4 As shown, the driving mechanism 3 further comprises a housing 32 which is detachably arranged on the body 1, the driving motor is arranged in the housing 32, the housing 32 is provided with pins 321, the driving motor is electrically connected with the pins 321, specifically, the housing 32 is provided with four pins 321, the pins 321 are used to be connected with the vehicle power supply and signal source to obtain the state of opening and closing of the vehicle door and driving of the vehicle, and the signals are transmitted to the driving motor, the driving motor operates according to the signal source, the driving motor drives the gear set in the housing 32 to rotate, the gear set drives the cam 31 to rotate, the cam 31 drives the valve 2 to rotate, and the closing and opening of the valve port 11 are realized.
[0044] In some embodiments of the present application, with reference to the accompanying drawings Figure 4 As shown, the driving mechanism 3 is connected with the body 1 through fasteners 33, which can improve the reliability and stability of the cooperation between the driving mechanism 3 and the body 1, reduce the disassembly difficulty of the driving mechanism 3 and the body 1, and facilitate the assembly and disassembly between the driving mechanism 3 and the body 1. Optionally, the fastener 33 is a bolt.
[0045] In a specific example, with reference to the accompanying drawings Figure 4 As shown, the outer wall surface of the housing 32 is provided with four mounting lugs 322, each mounting lug 322 is provided with a mounting hole 323, the body 1 is provided with four mounting columns 15, the four mounting columns 15 correspond one by one to the mounting holes 323 of the four mounting lugs 322, the bolts pass through the mounting holes 323 on the mounting lugs 322 and are fixed in the mounting columns 15, and the fasteners 33 connect the driving mechanism 3 with the body 1.
[0046] In some embodiments of the utility model, reference is made to the drawings Figure 3 As shown in the drawings, the valve port 11 is provided with a reinforcing rib 12, the reinforcing rib 12 can improve the structural strength and rigidity of the body 1, avoid the deformation of the body 1, guarantee the reliability and stability of the pressure relief valve 100, and can avoid the valve 2 from rotating excessively and extending into the valve port 11, guarantee the effectiveness of the pressure relief valve 100, and prolong the service life of the pressure relief valve 100. Specifically, reference is made to the drawings Figure 3 As shown in the drawings, the reinforcing rib 12 includes a plurality of first ribs 121 and a plurality of second ribs 122, the plurality of first ribs 121 extend along the length direction of the valve port 11 (reference is made to the drawings Figure 2 As shown in the drawings, the plurality of second ribs 122 extend along the width direction of the valve port 11, the plurality of first ribs 121 and the plurality of second ribs 122 are staggered, so as to improve the structural strength and rigidity of the body 1, avoid the deformation of the body 1, and guarantee the reliability and stability of the pressure relief valve 100.
[0047] In some embodiments of the utility model, reference is made to the drawings Figure 2 As shown in the drawings, the valve port 11 includes a plurality of sub valve ports 111, the valve 2 includes a plurality of sub valves 20, the plurality of sub valves 20 correspond to the plurality of sub valve ports 111 one by one, by dividing the valve port 11 into a plurality of sub valve ports 111, the structural strength and rigidity of the body 1 can be improved, the plurality of sub valves 20 are used for opening or closing the plurality of sub valve ports 111 respectively, the area of each sub valve 20 can be relatively reduced to reduce the probability of deformation of the valve 2, and the structural reliability of the valve 2 is relatively improved, so as to guarantee the reliability of the valve 2 in opening or closing the valve port 11, and prolong the service life of the pressure relief valve 100.
[0048] Further, reference is made to the drawings Figure 3 As shown in the drawings, the driving mechanism 3 is arranged between any two adjacent sub valve ports 111 of the plurality of sub valve ports 111, the driving mechanism 3 is connected with the plurality of sub valves 20, and is used for driving the plurality of sub valves 20 to move simultaneously and synchronously relative to the sub valve port 111, the driving mechanism 3 is arranged between the plurality of sub valve ports 111, so as to facilitate the driving mechanism 3 to drive the plurality of sub valves 20 simultaneously, realize that one driving mechanism 3 drives the plurality of sub valves 20 to move simultaneously, and thus the production cost of the pressure relief valve 100 is reduced.
[0049] In one specific example, reference is made to the drawings Figure 2 And the drawings Figure 3 As shown in the drawings, the valve port 11 includes four sub valve ports 111, the valve 2 includes four sub valves 20, the four sub valves 20 correspond to the four sub valve ports 111 one by one, the driving mechanism 3 is connected with the four sub valves 20, and can drive the four sub valves 20 to move simultaneously and synchronously relative to the sub valve port 111.
[0050] In some embodiments of the utility model, the valve 2 has a first position and a second position, in the first position, the valve 2 closes the valve port 11, in the second position, the valve 2 rotates relative to the valve port 11 and opens to the maximum, the included angle between the first position and the second position of the valve 2 is greater than 40 DEG, which can make the opening of the valve port 11 larger, guarantee the air flow when the valve 2 opens the valve port 11, further improve the vehicle door closing speed performance, improve the ear pressure feeling of the user in the vehicle when closing the vehicle door, and improve the user's use experience. Figure 1 Figure 2 In some embodiments of the utility model, the valve 2 has a first position and a second position, in the first position, the valve 2 closes the valve port 11, in the second position, the valve 2 rotates relative to the valve port 11 and opens to the maximum, the included angle between the first position and the second position of the valve 2 is greater than 40 DEG, which can make the opening of the valve port 11 larger, guarantee the air flow when the valve 2 opens the valve port 11, further improve the vehicle door closing speed performance, improve the ear pressure feeling of the user in the vehicle when closing the vehicle door, and improve the user's use experience.
[0051] The utility model discloses still propose a kind of vehicle with the pressure relief valve 100 of above-mentioned embodiment.
[0052] The vehicle according to the utility model embodiment includes vehicle body and above-mentioned pressure relief valve 100.
[0053] Specifically, the body 1 is arranged on the vehicle body, and the valve port 11 of the body 1 is used to communicate between the inside and outside of the vehicle. After the lock of any one of the four vehicle doors of the vehicle is opened, the whole vehicle area controller inputs the lock opening signal to the driving mechanism 3, the driving mechanism 3 drives the valve 2 to open the valve port 11 and open to the maximum, the airflow passage between the passenger compartment and the outside of the vehicle is opened, the vehicle door closing speed performance is improved, the ear pressure feeling of the user in the vehicle when closing the vehicle door is improved, and the use experience of the user is improved. After the locks of the four vehicle doors of the vehicle are all locked or during the driving of the vehicle, the whole vehicle area controller inputs the lock closing signal or the vehicle speed signal to the driving mechanism 3, the driving mechanism 3 drives the valve 2 to close the valve port 11, and the blocking torque of the driving mechanism 3 always acts on the body 1, the closing effect of the valve 2 on the valve port 11 is guaranteed, the airflow passage between the passenger compartment and the outside of the vehicle is closed, the air tightness of the vehicle is guaranteed, the quietness of the passenger compartment is guaranteed, and the NVH (Noise, Vibration, Harshness) performance of the vehicle is improved.
[0054] According to the vehicle of the utility model embodiment, by being provided with the above-mentioned pressure relief valve 100, the valve 2 is driven to move relative to the valve port 11 by the driving mechanism 3, the valve 2 can be controlled to open or close the valve port 11 according to the state of the vehicle. When the valve 2 opens the valve port 11, the airflow passage between the passenger compartment and the outside of the vehicle is opened, the vehicle door closing speed performance is improved, the ear pressure feeling of the user in the vehicle when closing the vehicle door is improved, and the use experience of the user is improved. When the valve 2 closes the valve port 11, the airflow passage between the passenger compartment and the outside of the vehicle is closed, dust, sand and other sundries are prevented from entering the vehicle through the valve port 11, the air tightness of the vehicle is guaranteed, the quietness of the passenger compartment is guaranteed, and the NVH performance of the vehicle is improved.
[0055] In some embodiments of the utility model, the valve 2 has a first position and a second position, in the first position, the valve 2 closes the valve port 11, in the second position, the valve 2 rotates relative to the valve port 11 and opens to the maximum, the included angle between the first position and the second position of the valve 2 is greater than 40 DEG, which can make the opening of the valve port 11 larger, guarantee the air flow when the valve 2 opens the valve port 11, further improve the vehicle door closing speed performance, improve the ear pressure feeling of the user in the vehicle when closing the vehicle door, and improve the user's use experience. Figure 3 As shown, the body 1 is clamped with the vehicle body, the connection of the body 1 and the vehicle body can be realized through a simple matching structure, the production and processing of the body 1 and the vehicle body can be facilitated, the connection difficulty of the body 1 and the vehicle body is reduced, the assembly difficulty of the pressure relief valve 100 and the vehicle body is reduced, the rapid installation of the pressure relief valve 100 is realized, and the reliability of the connection of the pressure relief valve 100 and the vehicle body is ensured.
[0056] Optionally, the body 1 is provided with the buckle 14, and the vehicle body is provided with the clamping groove matched with the buckle 14; or the body 1 is provided with the clamping groove, and the vehicle body is provided with the buckle 14 matched with the clamping groove; or the body 1 and the vehicle body are both provided with the buckle 14, and the buckle 14 of the body 1 and the buckle 14 on the vehicle body are matched with each other, which is not limited here.
[0057] In a specific example, referring to the accompanying drawings Figure 3 As shown, the body 1 is clamped with the vehicle body, the connection of the body 1 and the vehicle body can be realized through a simple matching structure, the production and processing of the body 1 and the vehicle body can be facilitated, the connection difficulty of the body 1 and the vehicle body is reduced, the assembly difficulty of the pressure relief valve 100 and the vehicle body is reduced, the rapid installation of the pressure relief valve 100 is realized, and the reliability of the connection of the pressure relief valve 100 and the vehicle body is ensured.
[0058] In some embodiments of the present application, referring to the accompanying drawings Figure 4 As shown, the body 1 and the vehicle body are provided with the sealing ring 13, the sealing ring 13 extends along the circumferential direction of the body 1, and the sealing ring 13 is bonded to the outer peripheral wall of the body 1, which can play a sealing role between the body 1 and the vehicle body, avoid airflow flowing through the gap between the body 1 and the vehicle body, thereby reducing the noise of airflow flowing, ensuring the quietness of the passenger compartment, ensuring the air tightness of the vehicle, and improving the NVH performance of the vehicle.
[0059] The pressure relief valve 100 and other configurations and operations of the vehicle according to the embodiments of the present application are known to those skilled in the art, and will not be described in detail here.
[0060] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without mutual contradiction.
[0061] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A pressure relief valve, characterized in that, For use in vehicles and including: Body (1), the body (1) is disposed on the vehicle body, the body (1) has a valve port (11), the valve port (11) is used to connect the inside and outside of the vehicle; A valve (2) is movably disposed at the valve port (11) for opening or closing the valve port (11); A drive mechanism (3) is provided inside the valve port (11) and connected to the valve (2), and is used to drive the valve (2) to move relative to the valve port (11); The drive mechanism (3) includes a drive motor for driving the valve (2) to move relative to the valve port (11); The drive mechanism (3) further includes: Cam (31) is connected to both the drive motor and the valve (2). The drive motor drives the cam (31) to rotate. Along the radial direction of the cam (31), the valve (2) is spaced apart from the center of the cam (31).
2. The pressure relief valve according to claim 1, characterized in that, The drive mechanism (3) further includes: The housing (32) is detachably disposed on the body (1), the drive motor is disposed inside the housing (32), the housing (32) is provided with pins (321), and the drive motor is electrically connected to the pins (321).
3. The pressure relief valve according to claim 1, characterized in that, The drive mechanism (3) is connected to the body (1) via fasteners (33).
4. The pressure relief valve according to claim 1, characterized in that, The valve port (11) is provided with a reinforcing rib (12).
5. The pressure relief valve according to claim 1, characterized in that, The valve port (11) includes multiple sub-valve ports (111), and the valve (2) includes multiple sub-valves (20). The multiple sub-valves (20) correspond one-to-one with the multiple sub-valve ports (111). The driving mechanism (3) is located between any two adjacent sub-valve ports (111) among the multiple sub-valve ports (111). The driving mechanism (3) is connected to the multiple sub-valves (20) and is used to drive the multiple sub-valves (20) to move simultaneously and synchronously relative to the sub-valve ports (111).
6. A vehicle, characterized in that, include: Body; The pressure relief valve (100) according to any one of claims 1-5, wherein the body (1) is disposed on the vehicle body.
7. The vehicle according to claim 6, characterized in that, The main body (1) is engaged with the vehicle body.
8. The vehicle according to claim 6, characterized in that, A sealing ring (13) is provided between the body (1) and the vehicle body, and the sealing ring (13) extends along the circumferential direction of the body (1).