Automobile pressure release valve and automobile

Abstract

The pressure release valve comprises a pressure release opening, a blade and a waterproof piece, the first side edge of the blade is movably connected with a vehicle body, the first side edge and the second side edge are located on the two opposite sides of the blade, and the pressure release opening is switched between an open state and a closed state through the blade; the waterproof part is fixedly arranged on the vehicle body in the direction parallel to the second side edge of the blade, a movable gap is formed between the waterproof part and the blade, and the face, away from the blade, of the waterproof part forms a waterproof face. The technical scheme provided by the utility model at least has the beneficial effects that when the automobile falls into water or enters water, the waterproof part is arranged below the blade, and the waterproof part forms a shield in the water entering direction, so that the waterproof part can effectively block the impact of the water surface, and the service life of the automobile is prolonged. The situation that impact force generated at the moment of entering water bursts open the blades, and consequently the blades deform and bend under the water pressure effect is avoided, water entering protection is conducted on the interior of an automobile, and the sealing performance of the pressure release valve is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile pressure relief valve, in particular to an automobile pressure relief valve and automobile. BACKGROUND

[0002] The automobile pressure relief valve, also known as automobile pressure reducing valve, is a vital safety component in the automobile system. The working principle of the automobile pressure relief valve is to control the opening and closing of the blade by air pressure. The blade is closed to form a seal under the action of gravity on the valve body skeleton in the natural state. When the air pressure exceeds the threshold value, the blade is lifted by the pressure to open the pressure relief valve and reduce the pressure.

[0003] When the car falls into water or water, under the action of water surface impact, the blade is lifted and then the pressure relief opening is opened, so that the pressure relief valve is in a failure state, and water flows into the car body through the pressure relief opening, causing the electrical components in the car to short circuit and fail, and the openable execution units such as car windows and car roofs cannot be normally opened, which shortens the escape time of the people in the car. CONTENT OF THE INVENTION

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present application is to provide an automobile pressure relief valve and automobile, which solves the problem that in the prior art, under the action of water surface impact, the blade is lifted and then the pressure relief opening is opened, so that the pressure relief valve is in a failure state, and water flows into the car body through the pressure relief opening.

[0005] To achieve the above-mentioned purposes and other related purposes, the present application provides an automobile pressure relief valve, comprising:

[0006] A housing, wherein a pressure relief opening is provided on the housing;

[0007] A blade, wherein a first side of the blade is rotatably connected to the housing on one side of the pressure relief opening, a second side of the blade is overlapped on the other side of the pressure relief opening, the first side and the second side are located on opposite sides of the blade, and the rotation of the blade switches the pressure relief opening between the open state and the closed state;

[0008] A waterproof member, wherein the waterproof member is fixedly arranged on the car body along a direction parallel to the second side of the blade, an active gap is formed between the waterproof member and the blade, and the waterproof member is used to prevent water from flowing along the second side to the first side direction to open the blade and open the pressure relief opening.

[0009] Optionally, the waterproof member has a waterproof tip for breaking the surface tension of water, the waterproof tip is located on the side away from the connection between the waterproof member and the housing, and the waterproof tip is arranged towards the direction away from the blade.

[0010] Optionally, the size of the active gap ranges from 0.3mm to 3mm.

[0011] Optionally, the waterproof member comprises a mounting portion and a waterproof portion, the mounting portion is fixedly connected with the waterproof portion, the mounting portion is fixedly connected with the shell, and the waterproof portion is arranged towards the air outlet direction of the pressure relief opening, and the waterproof portion is provided with the waterproof tip.

[0012] Optionally, the waterproof portion has a flow guide surface towards the direction of the blade, and the flow guide surface is arranged to be gradually inclined away from the blade towards the air outlet direction of the pressure relief opening.

[0013] Optionally, the waterproof portion has a flow guide surface towards the direction of the blade, and the flow guide surface is an arc surface, the flow guide surface is concave towards the direction of the blade, and a distance between one end of the flow guide surface away from the blade and the blade is D1, and a distance between the other end of the flow guide surface close to the blade and the blade is D2, and D1 is greater than D2.

[0014] Optionally, the mounting portion is provided with two mounting portions, and the two mounting portions are respectively located at two ends of the waterproof member in the length direction, and the two mounting portions are respectively fixedly connected with the two side inner walls of the shell.

[0015] Optionally, the mounting portion is located at a side edge of the waterproof portion close to the pressure relief opening, and the mounting portion is closer to the pressure relief opening than the waterproof portion, and the mounting portion is fixedly connected with the shell.

[0016] Optionally, the waterproof member is provided with a weight-reducing structure.

[0017] The application also provides an automobile comprising the automobile pressure relief valve.

[0018] As described above, the technical scheme of the utility model brings at least the following beneficial effects: when the automobile falls into water or is flooded, the waterproof member is arranged below the blade, the waterproof member forms a shield in the water inlet direction, the waterproof member can effectively block the water surface impact force, avoid the impact force generated in the water inlet moment from breaking the blade, and cause the blade to be deformed and bent under the action of water pressure, thereby avoiding a large amount of water from flowing into the automobile, effectively protecting the automobile interior from water, and improving the sealing performance of the pressure relief valve. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A pressure relief valve structure schematic view according to an exemplary embodiment of the utility model is shown;

[0020] Figure 2 A front view of a pressure relief valve according to an exemplary embodiment of the utility model is shown;

[0021] Figure 3 A cross-sectional view of a pressure relief valve according to an exemplary embodiment of the utility model is shown;

[0022] Figure 4 A waterproof member structure diagram shown as an exemplary embodiment of the present application Figure 3 -A first waterproof member structure diagram shown as an exemplary embodiment of the present application

[0023] Figure 5 A waterproof member structure diagram shown as an exemplary embodiment of the present application Figure 3 -A second waterproof member structure diagram shown as an exemplary embodiment of the present application

[0024] Figure 6 A waterproof member structure diagram shown as an exemplary embodiment of the present application

[0025] Figure 7 A waterproof member structure diagram shown as an exemplary embodiment of the present application

[0026] Part number explanation:

[0027] 1, pressure relief opening; 2, blade; 3, waterproof member; 31, mounting portion; 32, waterproof portion; 33, flow guide surface; 34, waterproof tip; 35, weight reduction structure; 4, shell; 5, limiting rod. DETAILED DESCRIPTION

[0028] The embodiments of the present application will be described in detail with specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. The present application can also be implemented or applied in different specific embodiments, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application.

[0029] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application in the diagrams, not the number, shape and size of the components during actual implementation. The actual implementation of each component may be randomly changed, and the component layout pattern may be more complex.

[0030] In the following description, a large number of details are discussed to provide a more thorough explanation of the embodiments of the present disclosure, however, it is obvious to those skilled in the art that the embodiments of the present disclosure can be implemented without these specific details, and in other embodiments, the known structures and devices are shown in the form of block diagrams rather than in the form of details, to avoid making the embodiments of the present disclosure difficult to understand.

[0031] It should be noted that in the present embodiment, the direction of the car roof is upward, the direction of the car bottom is downward, the direction of the car head is forward, and the direction of the car tail is rearward.

[0032] Please refer toFigure 1 、 Figure 2 、 Figure 3 and Figure 5 The utility model provides a kind of automobile pressure relief valve, comprising: pressure relief opening 1, vane 2 and waterproof part 3, pressure relief opening 1 is arranged on car, for the pressure in air intake pipeline is controlled below limit value, the first side (upper side) of the vane 2 is movably connected with vehicle body (hinged, or vane 2 is the material with elasticity), the lower side of the vane 2 is away from or close to pressure relief opening 1, to make the pressure relief opening 1 switch in opening state and closed state;The waterproof part 3 is fixedly arranged on vehicle body along the direction parallel to the second side of the vane 2, the first side and the second side are located at the opposite sides of the vane 2, and the movable gap is formed between the waterproof part 3 and the vane 2, the surface of the waterproof part away from the vane forms the waterproof surface for preventing water from washing away the vane, when car is in water, waterproof surface first contacts with water surface, and the effect of blocking to water surface impact force is played, and the vane is avoided to be opened by water impact force, wherein the waterproof part 3 is located in the extension direction of the vane 2 from the first side to the second side.

[0033] In an embodiment of the present application, pressure relief opening 1 is opened on car, pressure relief opening 1 and air intake pipe are communicated, gas is discharged through pressure relief opening 1, vane 2 is covered and arranged at pressure relief opening 1, in normal state, vane 2 is attached with pressure relief opening 1, makes pressure relief opening 1 be in closed state, when gas in air intake pipe washes away vane 2, makes the lower end of vane 2 separate from pressure relief opening 1, pressure relief opening 1 is in the state of clocking, the upper end of vane 2 is hinged with vehicle body, the lower end of vane 2 can swing, waterproof part 3 is arranged below vane 2, waterproof part 3 is long strip structure, waterproof part 3 is arranged along the length direction of the lower end of vane 2, waterproof part is located directly below vane, waterproof part 3 is fixed in vehicle body, and there is movable gap between waterproof part 3 and vane 2, movable gap makes vane 2 not collide or rub with waterproof part 3 when swinging, makes vane 2 normally open when pressure relief, avoids car to fall into water or water, and waterproof part 3 forms the shelter to vane 2 in water direction, vane 2 does not contact with water surface first time, waterproof part 3 can effectively block water surface impact force, avoids vane 2 to be deformed and bent under water pressure, to realize the cooperation between vane 2 and vehicle body, avoid a large amount of water to enter from pressure relief opening 1.

[0034] In an embodiment of the present application, specifically, waterproof part 3 has waterproof tip 34 for destroying water surface tension, waterproof tip 34 is located on the side away from vane 2, and waterproof tip 34 is arranged towards the direction away from vane 2, waterproof tip 34 is arranged below waterproof part 3, the lowermost of the cross section of waterproof tip 34 is sharp angle, pierces water surface, to destroy water surface tension, more effectively protects pressure relief valve.

[0035] Please seeFigure 2 、 Figure 3 and Figure 4 In one embodiment of the present application, specifically, the size of the active gap ranges from 0.3 mm to 3 mm, and the distance between the highest point of the waterproof member 3 and the lowest point of the blade 2 ranges from 0.3 mm to 3 mm.

[0036] In one embodiment of the present application, specifically, the pressure relief valve further comprises a housing 4 arranged in the vehicle body, the housing 4 has a pressure relief channel therein, the pressure relief channel is in communication with the pressure relief opening 1, the blade 2 and the waterproof member 3 are connected with the vehicle body through the housing 4, the upper side of the blade 2 is hinged to the housing 4, and the waterproof member 3 is fixedly arranged in the housing 4. The housing 4 is arranged to facilitate maintenance and replacement.

[0037] Please refer to Figure 6 and Figure 7 In one embodiment of the present application, specifically, the waterproof member 3 comprises a mounting portion 31 and a waterproof portion 32, the mounting portion 31 is fixedly connected with the waterproof portion 32 and is used for fixing, the mounting portion 31 is fixedly connected with the housing 4, the waterproof portion 32 is arranged towards the air outlet direction of the pressure relief opening 1, the waterproof portion 32 has a strip-shaped structure and is arranged horizontally, and the waterproof portion 32 is provided with the waterproof tip 34.

[0038] In one embodiment of the present application, specifically, the waterproof portion 32 has a flow guide surface 33 towards the blade 2, the flow guide surface 33 is arranged obliquely towards the air outlet direction of the pressure relief opening 1 and gradually away from the blade 2, the flow guide surface 33 is inclined downwardly towards the air outlet direction, the upper surface (the surface close to the blade 2) of the waterproof portion 32 is a horizontal surface, an obtuse angle is formed between the flow guide surface 33 and the upper surface of the waterproof portion 32, in this embodiment, the waterproof portion 32 has a plate-shaped structure (the flow guide surface 33 is arranged on the waterproof portion 32) forming an obtuse angle, the lower part of the side away from the pressure relief opening 1 is inclined, forming the waterproof tip 34, piercing the water surface and destroying the water surface tension, the flow guide surface 33 guides the water dripping from above or remaining on the waterproof portion 32, avoiding the water from penetrating into the vehicle through the gap between the blade 2 and the housing 4 or the vehicle body, and optimizing the waterproof sealing performance of the pressure relief valve.

[0039] In an embodiment of the present application, specifically, the waterproof part 32 has a flow guide surface 33 facing the direction of the vane 2, the flow guide surface 33 is an arc surface, the flow guide surface 33 is recessed towards the direction of the vane 2, the upper surface of the waterproof part 32 is an arc surface, the waterproof part 32 is curved to form the flow guide surface 33 (the flow guide surface 33 is located on the waterproof part 32), the waterproof part 32 is an arc plate structure as a whole, and the distance between the end of the flow guide surface 33 away from the vane 2 and the vane 2 is D1, the distance between the end of the flow guide surface 33 close to the vane 2 and the vane 2 is D2, D1 is greater than D2, so as to facilitate the water to flow out of the flow guide surface 33.

[0040] In an embodiment of the present application, specifically, the mounting part 31 is provided with two, the two mounting parts 31 are located at the two ends of the length direction of the waterproof part 3 respectively, the two mounting parts 31 are fixedly connected with the two side inner walls of the shell 4 respectively, a plurality of welding points are provided on the mounting part 31, and the mounting part 31 is welded with the shell 4 or the vehicle body.

[0041] Or the mounting part 31 is connected with the shell 4 or the vehicle body by an adhesive mode.

[0042] Please refer to Figure 6 and Figure 7 In an embodiment of the present application, specifically, the mounting part 31 is located on the side of the waterproof part 32 close to the pressure relief opening 1, and the mounting part 31 is closer to the pressure relief opening 1 than the waterproof part 32, the waterproof part 3 forms a boss structure as a whole, the waterproof part 32 is located at a low position, the mounting part 31 protrudes from the waterproof part 32, an inner wall is arranged at the bottom of the pressure relief opening 1 in the shell 4, and the mounting part 31 is fixedly connected with the bottom inner wall of the pressure relief opening 1.

[0043] In an embodiment of the present application, specifically, the waterproof part 3 is provided with a weight reduction structure 35, the weight reduction structure 35 is a weight reduction groove, the weight reduction groove is arranged along the length direction of the waterproof part 3, the overall weight of the waterproof part 3 is reduced, and the lightweight effect is achieved.

[0044] Please refer to Figure 1 and Figure 3 In an embodiment of the present application, the shell 4 is further provided with a limiting rod 5, the limiting rod 5 is an arc structure, the limiting rod 5 is recessed and curved towards the air outlet direction of the pressure relief opening 1, the upper end of the limiting rod 5 is fixedly connected with the shell 4, the upper end of the limiting rod 5 is located above the vane 2, and the lower end of the limiting rod 5 has a gap for opening the vane 2 when the vane 2 is located in the pressure relief opening 1, and meanwhile, the limiting rod 5 limits the vane 2 to avoid excessive opening of the vane 2.

[0045] The present application also provides an automobile comprising the above-mentioned automobile pressure relief valve.

[0046] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. An automobile pressure relief valve, characterized in that: include: a housing, wherein a pressure relief opening is provided on the housing; a blade, wherein a first side of the blade is rotatably connected to the housing on one side of the pressure relief opening, a second side of the blade overlaps the other side of the pressure relief opening, the first side and the second side are located on opposite sides of the blade, and rotation of the blade switches the pressure relief opening between an open state and a closed state; A waterproof component is fixedly arranged on the vehicle body along a direction parallel to the second side of the blade, and a movable gap is formed between the waterproof component and the blade. The waterproof component is used to prevent water from rushing open the blade along the second side toward the first side so that the pressure relief opening is opened.

2. The automobile pressure relief valve according to claim 1, characterized in that: in, The waterproof component has a waterproof tip for breaking water surface tension. The waterproof tip is located on a side away from the connection between the waterproof component and the shell, and the waterproof tip is arranged in a direction away from the blade.

3. The automobile pressure relief valve according to claim 1, characterized in that: The size range of the active gap is 0.3mm-3mm.

4. The automobile pressure relief valve according to claim 2, characterized in that: The waterproof part includes a mounting portion and a waterproof portion, the mounting portion is fixedly connected to the waterproof portion, the mounting portion is fixedly connected to the shell, the waterproof portion is arranged toward the air outlet direction of the pressure relief opening, and the waterproof tip is arranged on the waterproof portion.

5. The automobile pressure relief valve according to claim 4, characterized in that: The waterproof portion has a guide surface in a direction toward the blade, and the guide surface is tilted toward the air outlet direction of the pressure relief opening and gradually away from the blade.

6. The automobile pressure relief valve according to claim 4, characterized in that: The waterproof portion has a guide surface facing the blade, the guide surface is an arc-shaped surface, the guide surface is concave toward the blade, and the distance between the end of the guide surface away from the blade and the blade is D1, and the distance between the end of the guide surface close to the blade and the blade is D2, and D1 is greater than D2.

7. The automobile pressure relief valve according to claim 4, characterized in that: There are two mounting parts, which are respectively located at two ends of the waterproof component in the length direction, and are respectively fixedly connected to the inner walls on both sides of the shell.

8. The automobile pressure relief valve according to claim 4, characterized in that: The mounting portion is located on a side of the waterproof portion close to the pressure relief opening, and the mounting portion is closer to the pressure relief opening than the waterproof portion. The mounting portion is fixedly connected to the housing.

9. The automobile pressure relief valve according to claim 1, characterized in that: The waterproof component is provided with a weight-reducing structure.

10. An automobile, characterized in that: The invention comprises the automobile pressure relief valve according to any one of claims 1 to 9.

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