A rear bumper bracket structure integrated with a pressure relief valve

Abstract

The present application relates to a rear bumper bracket structure integrated with a pressure relief valve, comprising: a pressure relief valve for being fixed at a pressure relief opening of a vehicle body sheet metal, the pressure relief valve including a grid air door and a plurality of pressure relief baffles movably mounted on the grid air door; a bracket assembly including: an air door frame for being fixed in the pressure relief opening and accommodating the grid air door; and a bracket for being fixed on the vehicle body sheet metal, the bracket surrounding the air door frame and being connected to the air door frame through a first connecting member. By integrating the air door frame on the bracket and installing the pressure relief valve therein, the present application achieves the purpose of integrating the rear insurance bracket and the pressure relief valve, that is, the parts of two commonly used systems are efficiently integrated into one, avoiding the cost of opening new molds, saving assembly man-hours at the same time, having an obvious cost advantage, and having a wide market application prospect.

Description

Technical Field

[0001] This application relates to the technical field of automotive bumpers, and particularly to a rear bumper support structure integrated with a pressure relief valve. Background Art

[0002] Currently, the automotive rear bumper support is a functional component widely used in automotive bumpers. Its function is to integrally fix the rear bumper skin to the vehicle body through a clamping structure, ensuring the normal assembly function and usability of the bumper. The automotive pressure relief valve is a functional component widely used in the vehicle body, usually installed on both sides (or one side) of the rear of the vehicle to ensure the air pressure balance inside the vehicle when opening and closing the doors or the trunk.

[0003] In the models on the market, these two functional components, the automotive rear bumper support and the automotive pressure relief valve, are both independently designed, separately assembled, and independent of each other, but their installation areas on the body sheet metal are close.

[0004] Since the automotive rear bumper support and the automotive pressure relief valve are independent of each other, separate molds need to be opened during mold design, and separate assembly is also required during assembly, resulting in an increase in production costs and assembly man-hours. Summary of the Invention

[0005] The embodiments of this application provide a rear bumper support structure integrated with a pressure relief valve to solve the problem in the related art that the automotive rear bumper support and the automotive pressure relief valve are independent of each other, separate molds need to be opened during mold design, and separate assembly is also required during assembly, resulting in an increase in production costs and assembly man-hours.

[0006] The technical solution adopted in this application is as follows:

[0007] A rear bumper support structure integrated with a pressure relief valve, comprising:

[0008] A pressure relief valve, which is used to be fixed at the pressure relief port of the body sheet metal. The pressure relief valve includes a grid air door and a plurality of pressure relief baffles movably installed on the grid air door;

[0009] A support assembly, which includes:

[0010] An air door frame, which is used to be fixed inside the pressure relief port and accommodate the grid air door;

[0011] A support, which is used to be fixed on the body sheet metal. The support is disposed around the air door frame and is connected to the air door frame through a first connecting member.

[0012] In some embodiments, the first connecting member includes a plurality of connecting ribs.

[0013] In some embodiments, the support is provided with a second connecting member for fixing it on the body sheet metal. The second connecting member includes:

[0014] A plurality of positioning pins, one of which is used to be inserted into a positioning hole on the body sheet metal;

[0015] A plurality of bracket clamping parts, one of the bracket clamping parts is correspondingly arranged on one of the positioning pins, and the bracket clamping part is used to clamp and fix the bracket on the body sheet metal when the positioning pin is inserted into the positioning hole.

[0016] In some embodiments, the damper frame is connected to an outer ring baffle plate arranged around the outer periphery thereof, and the outer ring baffle plate is used to fit against the body sheet metal when the damper frame is fixed in the pressure relief port.

[0017] In some embodiments, the damper frame is provided with a third connecting member for fixing it in the pressure relief port, and the third connecting member includes:

[0018] A plurality of positioning blocks, one of the positioning blocks is used to be correspondingly inserted into a positioning groove on the edge of the pressure relief port;

[0019] A plurality of damper clamping parts, one damper clamping part is correspondingly arranged on one of the positioning blocks, and is used to cooperate with the outer ring baffle to clamp and fix the damper frame in the pressure relief port when the positioning block is inserted into the positioning groove.

[0020] In some embodiments, the damper clip is a spring clip, which is used to abut against a side of the vehicle body sheet metal away from the outer ring baffle when the positioning block is inserted into the positioning groove.

[0021] In some embodiments, the outer ring baffle is provided with a sealing ring for sealingly connecting with the body sheet metal.

[0022] In some embodiments, the edge of the outer ring baffle is provided with a water retaining flange.

[0023] In some embodiments, a reinforcement structure is further included, which is used to fix the bracket and the body sheet metal, and the reinforcement structure includes:

[0024] A plurality of nut seats, which are used to be arranged on the body sheet metal;

[0025] A plurality of self-tapping screws, one of which is used to pass through the bracket and is correspondingly connected to a nut seat.

[0026] In some embodiments, the pressure relief baffle is provided with a plurality of hanging holes near the edge, and the plurality of hanging holes are distributed in a straight line. The grid damper is provided with a plurality of hooks, and one hook passes through one hanging hole respectively. The pressure relief baffle is movably hung on the grid damper through the cooperation of the hooks and the hanging holes.

[0027] The beneficial effects of the technical solution provided by this application include:

[0028] The embodiment of the present application provides a rear bumper bracket structure integrated with a pressure relief valve. By integrating a wind door frame on the bracket and installing the pressure relief valve therein, the purpose of integrating the rear insurance bracket and the pressure relief valve is achieved, that is, the parts of the two commonly used systems are efficiently integrated into one, avoiding the cost of opening new molds, saving assembly man-hours at the same time, and having obvious cost advantages, with broad market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0030] Figure 1 It is a schematic assembly structure diagram of the rear bumper bracket structure integrated with a pressure relief valve provided by the embodiment of the present application;

[0031] Figure 2 is Figure 1 an exploded view of;

[0032] Figure 3 is Figure 1 a cross-sectional view taken along line A-A in;

[0033] Figure 4 is Figure 1 a cross-sectional view taken along line B-B in;

[0034] Figure 5 is Figure 1 a rear view schematic diagram of;

[0035] Figure 6 is Figure 5 an enlarged view at C in;

[0036] Figure 7 is Figure 5 an enlarged view at D in;

[0037] Figure 8 is Figure 5 an enlarged view at E in.

[0038] In the figure: 1. Pressure relief valve; 2. Bracket assembly; 3. Grid air damper; 301. Hook; 4. Pressure relief baffle; 401. Hanging hole; 5. Air damper frame; 6. Bracket; 7. Connecting rib; 8. Body sheet metal; 801. Positioning hole; 802. Positioning groove; 9. Positioning pin; 10. Bracket clamping part; 11. Outer ring baffle; 12. Positioning block; 13. Air damper clamping part; 14. Reinforcement structure; 15. Nut seat; 16. Self-tapping screw; 17. Top rib; 18. Sealing ring; 19. Water-retaining flange. Detailed implementation manners

[0039] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0040] The embodiment of the present application provides a rear bumper bracket structure integrated with a pressure relief valve, which can solve the problems that the current rear bumper bracket of an automobile and the pressure relief valve of the automobile are independent of each other, resulting in an increase in production cost and assembly man-hours.

[0041] Referring to Figures 1-8 as shown, the rear bumper bracket structure integrated with a pressure relief valve includes a pressure relief valve 1 and a bracket assembly 2.

[0042] The pressure relief valve 1 includes a grid air damper 3 and a plurality of pressure relief baffles 4 movably mounted on the grid air damper 3. Specifically, a plurality of hanging holes 401 are formed on one side of the pressure relief baffle 4 near the edge, and the plurality of hanging holes 401 are linearly distributed. A plurality of hooks 301 are provided on the grid air damper 3, and one hook 301 passes through one hanging hole 401 correspondingly. The pressure relief baffle 4 is movably hung on the grid air damper 3 through the cooperation of the hook 301 and the hanging hole 401.

[0043] In this embodiment, the number of the pressure relief baffles 4 is set to three, which are rubber baffles, and the shape is set as a rectangular plate. The plurality of hanging holes 401 are formed on the longer side edge thereof and distributed along the length direction of this side. The three pressure relief baffles 4 are distributed vertically when the pressure relief valve 1 is in use, and the length direction of each pressure relief baffle 4 is horizontal. When the pressure relief baffle 4 is hung on the grid air damper 3, it naturally overlaps on the grid air damper 3 under the action of gravity. When relieving pressure, the pressure relief baffle 4 naturally swings on the hook 301 to balance the pressure inside and outside the vehicle. In other embodiments, the pressure relief valve 1 with different structures and specifications can also be selected according to actual needs.

[0044] The bracket assembly 2 includes a damper frame 5 and a bracket 6. The damper frame 5 is used to be fixed in the pressure relief port of the body sheet metal 8 and accommodate the pressure relief valve 1 therein, and the bracket 6 is also set as a frame and is arranged around the outer periphery of the damper frame 5. In order to make the bracket assembly 2 a whole, the bracket 6 and the damper frame 5 are connected as a whole through a first connecting member. Specifically, in this embodiment, the damper frame 5 is set as a rectangular frame shape that matches the grid damper 3, and the grid damper 3 is correspondingly installed in the damper frame 5. The first connecting member is a plurality of connecting ribs 7, and the plurality of connecting ribs 7 are distributed around the damper frame 5. In this embodiment, the connecting ribs 7 are set as four; in other embodiments, the position of the damper frame 5 and the number and connection method of the connecting ribs 7 can also be adjusted according to the actual vehicle model and the corresponding bracket 6 structure.

[0045] By setting the bracket 6 and the damper frame 5, the bracket 6 and the damper frame 5 are connected as a whole by using the connecting rib 7, and the pressure relief valve 1 is installed in the damper frame 5, that is, the pressure relief valve 1 and the rear bumper bracket 6 are integrated into one, only one set of molds are needed for manufacturing and processing, and only one assembly process is needed, which reduces the production cost and assembly time.

[0046] A second connecting member is provided on the bracket 6 , and the second connecting member is used for fixing the bracket 6 on the body sheet metal 8 .

[0047] The second connecting member includes a plurality of positioning pins 9 and a plurality of bracket clamping members 10. The positioning pins 9 are arranged perpendicular to the plane of the bracket 6, and one bracket clamping member 10 is correspondingly arranged on one positioning pin 9. The body sheet metal 8 is provided with a plurality of positioning holes 801 for the positioning pins 9 to be inserted into. One positioning pin 9 is used to be correspondingly inserted into one positioning hole 801, and the bracket clamping member 10 is used to clamp and fix the bracket 6 to the body sheet metal 8 when the positioning pin 9 is inserted into the positioning hole 801. In this embodiment, the positioning pin 9 is in a rectangular parallelepiped shape, and the positioning hole 801 can be provided to match the positioning pin 9, or can be set as a long hole slightly larger than the size of the positioning pin 9. The bracket clamp 10 is a spring clip, which is used to abut against the side of the body sheet metal 8 facing away from the bracket 6 when the locating pin 9 is inserted into the locating hole 801; correspondingly, a slot for installing the spring clip is provided on the locating pin 9. In other embodiments, the bracket clamp 10 can also be a clamping bolt, a clamping rod, etc., and the second connecting member can also be replaced by a bolt, etc., which can be selected according to actual processing needs.

[0048] When installing the pressure relief valve 1, the damper frame 5 is inserted into the pressure relief port, and an outer ring baffle 11 arranged around the outer periphery is connected to the damper frame 5. The outer ring baffle 11 is integrally formed with the damper frame 5. The outer ring baffle 11 is used to fit against the vehicle body sheet metal 8 when the damper frame 5 is inserted into the pressure relief port, so as to limit the pressure relief valve 1 from passing through the pressure relief port.

[0049] In order to improve the installation strength of the pressure relief valve 1 on the body sheet metal 8, a third connecting member is also provided on the damper frame 5 for fixing it in the pressure relief port. The third connecting member includes a plurality of positioning blocks 12 and a plurality of damper clips 13. The plurality of positioning blocks 12 are distributed around the damper frame 5, and one damper clip 13 is correspondingly provided on one positioning block 12; and the edge of the pressure relief port is provided with a plurality of positioning grooves 802 for the positioning blocks 12 to be inserted into. The plurality of positioning grooves 802 are distributed around the pressure relief port and correspond to the positions of the plurality of positioning blocks 12. One positioning block 12 is used to be correspondingly inserted into one positioning groove 802, and the damper clip 13 is used to cooperate with the outer ring baffle 11 to clamp and fix the damper frame 5 in the pressure relief port when the positioning block 12 is inserted into the positioning groove 802. In this embodiment, the damper clamp 13 is also a spring clip, which is used to abut against the side of the body sheet metal 8 facing away from the outer ring baffle 11 when the positioning block 12 is inserted into the positioning groove 802. Four positioning blocks 12 and four positioning grooves 802 are respectively provided. In other embodiments, other clamping structures can also be provided according to the difficulty of processing.

[0050] In order to further improve the assembly strength of the bracket 6 on the body sheet metal 8, the bracket 6 and the body sheet metal 8 are fixedly connected by a reinforcement structure 14. The reinforcement structure 14 includes a plurality of nut seats 15 and a plurality of self-tapping screws 16. The nut seat 15 is used to be set on the body sheet metal 8, and a self-tapping screw 16 is used to pass through the bracket 6 and connect with a nut seat 15; specifically, the body sheet metal 8 is provided with a hole for the nut seat 15 to be assembled, and the bracket 6 is provided with a hole for the self-tapping screw 16 to pass through. During installation, the nut seat 15 is inserted into the corresponding hole. After the bracket assembly 2 is fitted with the body sheet metal 8, the self-tapping screw 16 is passed through the hole on the bracket 6 and connected with the nut seat 15. A top rib 17 is also provided on the bracket 6 around the hole of the self-tapping screw 16. During assembly, the top rib 17 abuts against the body sheet metal 8.

[0051] In this embodiment, the nut seat 15 is made of plastic, and the self-tapping screws 16 and the nut seat 15 are arranged in six groups. In other embodiments, they can also be set to other numbers as needed; and in other embodiments, the bracket assembly 2 can also be installed on the body sheet metal 8 by welding or setting other reinforcement structures 14 according to processing needs.

[0052] In order to achieve a sealing effect at the connection between the damper frame 5 and the body sheet metal 8, a sealing ring 18 is further provided on the outer ring baffle 11 for sealing the connection with the body sheet metal 8. Specifically, the sealing ring 18 can be bonded to the outer ring baffle 11, or it can be made into one piece with the outer ring baffle 11 by two-color injection molding. During assembly, the sealing ring 18 is squeezed with the body sheet metal 8 to achieve sealing.

[0053] To prevent rainwater from flowing into the pressure relief valve 1 through the bracket 6, a water retaining flange 19 is also provided at the edge of the outer ring baffle 11. Specifically, when the pressure relief valve 1 is in the installed state, the water retaining flange 19 is inclined away from the vehicle body sheet metal 8. The water retaining flange 19 and the sealing ring 18 form a water guide groove in an inverted V shape, so that the water flows out from both sides of the pressure relief valve 1.

[0054] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0055] It should be noted that in the present application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0056] The above description is only the specific implementation manners of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. An integrated pressure relief valve rear bumper bracket structure, characterized in that, include: A pressure relief valve (1) is used to be fixed at a pressure relief port of a vehicle body sheet metal (8), the pressure relief valve (1) comprising a grid damper (3) and a plurality of pressure relief baffles (4) movably mounted on the grid damper (3); The bracket assembly (2) comprises: A damper frame (5), which is used to be fixed in the pressure relief port and accommodate the grid damper (3); A bracket (6) is used for fixing on a vehicle body sheet metal (8), wherein the bracket (6) is arranged around the periphery of the damper frame (5) and is connected to the damper frame (5) via a first connecting member; The first connecting member comprises a plurality of connecting ribs (7); The damper frame (5) is connected to an outer ring baffle (11) arranged around its periphery, and the outer ring baffle (11) is used to fit the body sheet metal (8) when the damper frame (5) is fixed in the pressure relief port; The damper frame (5) is provided with a third connecting member for fixing it in the pressure relief port, and the third connecting member comprises: A plurality of positioning blocks (12), wherein one positioning block (12) is used to be inserted into a positioning groove (802) at the edge of the pressure relief port; A plurality of damper clamping parts (13), one damper clamping part (13) being correspondingly arranged on one of the positioning blocks (12), and being used for cooperating with the outer ring baffle (11) to clamp and fix the damper frame (5) in the pressure relief port when the positioning block (12) is inserted into the positioning groove (802).

2. The rear bumper support structure integrated with a pressure relief valve according to claim 1, characterized in that, The bracket (6) is provided with a second connecting member for fixing it to the body sheet metal (8), and the second connecting member comprises: A plurality of positioning pins (9), wherein one positioning pin (9) is used to be correspondingly inserted into a positioning hole (801) on the vehicle body sheet metal (8); A plurality of bracket clamping parts (10), one of the bracket clamping parts (10) is correspondingly arranged on one of the positioning pins (9), and the bracket clamping part (10) is used to clamp and fix the bracket (6) on the body sheet metal (8) when the positioning pin (9) is inserted into the positioning hole (801).

3. The rear bumper bracket structure integrated with a pressure relief valve according to claim 1, characterized in that: The damper clamp (13) is a spring clip, which is used to abut against the side of the vehicle body sheet metal (8) away from the outer ring baffle (11) when the positioning block (12) is inserted into the positioning groove (802).

4. The rear bumper bracket structure with an integrated pressure relief valve according to claim 1, wherein: The outer ring baffle (11) is provided with a sealing ring (18) for sealingly connecting with the vehicle body sheet metal (8).

5. The rear bumper bracket structure integrated with a pressure relief valve according to claim 1, characterized in that: The edge of the outer ring baffle (11) is provided with a water retaining flange (19).

6. The rear bumper bracket structure integrated with a pressure relief valve according to claim 1, characterized in that: It also includes a reinforcement structure (14) for fixedly connecting the bracket (6) and the vehicle body sheet metal (8), and the reinforcement structure (14) includes: A plurality of nut seats (15) for being arranged on the vehicle body sheet metal (8); A plurality of self-tapping screws (16), one of the self-tapping screws (16) is used to pass through the bracket (6) and be correspondingly connected to one of the nut seats (15).

7. The rear bumper bracket structure integrated with a pressure relief valve according to claim 1, characterized in that: A plurality of hanging holes (401) are formed in the pressure relief baffle (4) near the edge, and the plurality of hanging holes (401) are linearly distributed. A plurality of hooks (301) are arranged on the grid air door (3). One of the hooks (301) correspondingly passes through one of the hanging holes (401). The pressure relief baffle (4) is movably hung on the grid air door (3) through the cooperation of the hook (301) and the hanging hole (401).

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