Damping type battery pack mounting rack

Abstract

The utility model relates to the technical field of battery packs, in particular to a damping type battery pack mounting rack which comprises a battery supporting box, a top plate arranged at the top of the battery supporting box, a first damping pad arranged at the bottom of the inner wall of the battery supporting box, a battery pack placed at the top of the first damping pad, and a second damping pad arranged at the bottom of the top plate and used for positioning the top of the battery pack. A damping assembly is arranged in the battery supporting box, first displacement assemblies are arranged on the front side and the rear side of the inner wall of the battery supporting box, and second displacement assemblies are arranged on the left side and the right side of the inner wall of the battery supporting box. According to the shock absorption type battery pack mounting frame, the cylindrical air bags arranged in the front-back direction and the left-right direction absorb shock energy from different directions through gas compression deformation, impact force is transmitted in combination with a push plate of the displacement assembly, the shaking time of a battery pack is remarkably shortened, and repeated impact caused by repeated stretching and retracting of a traditional spring structure is avoided; therefore, the service life of the mounting rack is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of battery pack technology, specifically to a shock-absorbing battery pack mounting bracket. Background Technology

[0002] Battery mounting brackets are structural components used to secure and support battery packs, widely used in electric vehicles, energy storage devices, and other battery-powered systems. Their primary function is to ensure the battery pack remains stable during use, preventing displacement or damage due to external factors such as vibration and impact. A well-designed battery mounting bracket not only provides reliable fixation but should also offer shock absorption, heat dissipation, and waterproofing to improve battery pack safety and lifespan. Through proper structural design and material selection, battery mounting brackets can effectively address various battery-related issues during operation, thereby enhancing the performance and reliability of the entire vehicle or equipment.

[0003] Patent CN212737728U discloses a car battery pack mounting bracket, including a first horizontal plate. A car battery pack is attached to the bottom of the first horizontal plate, and a chassis is located at the bottom of the first horizontal plate. Clamping mechanisms are provided on the left and right sides of the top of the first horizontal plate. Rubber pads are fixed to the outer wall of the plate, with the outer walls of the two rubber pads respectively abutting the left and right sides of the outer wall of the car battery pack. The bottom of a first spring is fixed to the top of the first horizontal plate. This car battery pack mounting bracket allows the plate and rubber pads to securely clamp the car battery pack at the bottom of the first horizontal plate through the elastic deformation of the first spring, facilitating the installation and removal of the car battery pack. When the chassis shakes, the sliding sleeve moves towards the outer wall of the slide rail, and the second vertical rod moves into the inner wall of the first vertical rod, causing the second and third springs to deform elastically, thus cushioning the first horizontal plate and the car battery pack.

[0004] While the existing technology described above achieves a buffering effect through the second and third springs, it has certain shortcomings. First, when the battery pack is subjected to vibration or impact, the repeated extension and contraction of the second and third springs cannot effectively absorb vibration energy, leaving the battery pack still at significant risk of shaking. This shaking not only prolongs the relative movement time between the battery pack and the mounting bracket but may also cause multiple impacts to the structure of the mounting bracket, thereby shortening its service life. Furthermore, prolonged shaking time may lead to fatigue of the internal mechanical components of the battery pack, affecting its overall performance. Therefore, to address these shortcomings, we propose a vibration-damping battery pack mounting bracket, aiming to improve the stability and safety of the battery pack and reduce the impact of vibration on both the battery pack and the mounting bracket by optimizing the vibration damping mechanism. Utility Model Content

[0005] The purpose of this invention is to provide a shock-absorbing battery pack mounting bracket to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A shock-absorbing battery pack mounting bracket includes a battery tray. The top of the battery tray is provided with a top plate for sealing the battery tray and providing upper support. The bottom of the inner wall of the battery tray is provided with a first shock-absorbing pad for absorbing vibrations from the bottom of the battery pack and dispersing impact forces. The battery pack is placed on top of the first shock-absorbing pad. The bottom of the top plate is provided with a second shock-absorbing pad for positioning the top of the battery pack. The bracket restricts the vertical displacement of the battery pack and buffers the top impact through elastic deformation.

[0008] The battery tray is equipped with a shock-absorbing component for dynamically absorbing vibration energy from different directions. The shock-absorbing component includes four first circular grooves. The two first circular grooves at the front are installed on the front side of the inner wall of the battery tray, and the two first circular grooves at the rear are installed on the rear side of the inner wall of the battery tray, for fixing the shock-absorbing structure in the front and rear directions. Each of the four first circular grooves is equipped with a first cylindrical airbag, which absorbs the vibration in the front and rear directions through gas compression deformation.

[0009] The shock absorption assembly also includes four second circular grooves. The two second circular grooves on the left are installed on the left side of the inner wall of the battery tray, and the two second circular grooves on the right are installed on the right side of the inner wall of the battery tray. They are used to fix the shock absorption structure in the left and right directions. Each of the four second circular grooves is provided with a second cylindrical airbag, which absorbs the vibration in the left and right directions through gas compression deformation.

[0010] The battery tray has first displacement components on both the front and rear sides of its inner wall. The opposite sides of the two first displacement components abut against the front and rear sides of the battery pack, respectively, to restrict the forward and backward movement of the battery pack and transmit the impact to the first cylindrical airbag. The battery tray has second displacement components on both the left and right sides of its inner wall. The opposite sides of the two second displacement components abut against the left and right sides of the battery pack, respectively, to restrict the left and right movement of the battery pack and transmit the impact to the second cylindrical airbag.

[0011] Preferably, the top of the outer wall of the battery tray is provided with a docking frame plate, which is detachably connected to the top plate by bolts, facilitating the installation and removal of the top plate, and enhancing the connection strength between the battery tray and the top plate.

[0012] Preferably, the outer wall of the docking frame is provided with multiple vehicle body mounting seats, which are detachably connected to the car bracket by bolts to fix the mounting bracket to the vehicle body.

[0013] Preferably, the first shock-absorbing pad includes a first EVA foam pad, a first rubber pad on top of the first EVA foam pad, and a first polyurethane pad on top of the first rubber pad. The first EVA foam pad absorbs high-frequency vibrations, the first rubber pad disperses impact force, and the first polyurethane pad provides rigid support, thus forming a composite shock-absorbing effect.

[0014] Preferably, the second shock-absorbing pad includes a second EVA foam pad, a second rubber pad at the bottom of the second EVA foam pad, and a second polyurethane pad at the bottom of the second rubber pad. The second EVA foam pad buffers the top impact, the second rubber pad disperses the impact force, and the second polyurethane pad counteracts the impact of the battery pack to enhance stability.

[0015] Preferably, the shock absorption assembly further includes a frame-shaped air guide main pipe located at the top of the first shock absorption pad. The frame-shaped air guide main pipe is used to connect all airbags and equalize gas pressure. The bottom of the first cylindrical airbag is provided with a first air guide branch pipe connected to the frame-shaped air guide main pipe. The first cylindrical airbag is connected to the frame-shaped air guide main pipe to realize gas exchange. The bottom of the first circular groove is provided with a first clearance opening to avoid the first air guide branch pipe, preventing interference between the first air guide branch pipe and the first circular groove.

[0016] Preferably, the bottom of the second cylindrical airbag is provided with a second air guide branch pipe that communicates with the frame-shaped air guide main pipe, so that the second cylindrical airbag and the frame-shaped air guide main pipe are connected to adjust the air pressure synchronously. The bottom of the second circular groove is provided with a second clearance opening to avoid the second air guide branch pipe, so as to ensure the installation space and freedom of movement of the second air guide branch pipe.

[0017] Preferably, the first displacement component includes a first rectangular tube fixedly connected to the inner wall of the battery tray as a sliding guide structure. A first rectangular slider is sleeved inside the first rectangular tube and can slide along the first rectangular tube to transmit impact force. A first rectangular push plate is provided at the end of the first rectangular slider away from the battery tray, which is used to directly press against the battery pack and push the first cylindrical airbag to deform. The side of the first cylindrical airbag away from the first circular groove abuts against the side of the first rectangular push plate, and the impact energy from the first rectangular push plate is absorbed through the deformation of the airbag. The side of the first rectangular push plate away from the first cylindrical airbag abuts against the outer side of the battery pack, thereby limiting the front and rear displacement of the battery pack in real time.

[0018] Preferably, the second displacement component includes a second rectangular tube fixedly connected to the inner wall of the battery tray as a lateral sliding guide structure. A second rectangular slider is sleeved inside the second rectangular tube and can slide along the second rectangular tube to transmit lateral impact force. A second rectangular push plate is provided at the end of the second rectangular slider away from the battery tray, which is used to press against the battery pack and push the second cylindrical airbag to deform. The side of the second cylindrical airbag away from the second circular groove abuts against the side of the second rectangular push plate, absorbing the lateral impact through the deformation of the airbag. The side of the second rectangular push plate away from the second cylindrical airbag abuts against the outer side of the battery pack, thereby limiting the left and right displacement of the battery pack in real time.

[0019] Preferably, the battery tray has an automatic inflation component on the right side. The electrical components in the automatic inflation component are all powered by the battery pack and are used to dynamically maintain the airbag pressure to optimize the shock absorption effect. The automatic inflation component includes a box body fixedly connected to the right side of the battery tray, which serves as the mounting housing for the inflation system. A box cover is detachably connected to the right side of the box body by bolts. An air inlet is provided on the right side of the box cover to introduce external air to replenish the air source.

[0020] The housing contains an air pump, a buffer tank, and a controller. The air pump supplies air to the buffer tank, which stores the gas and balances the pressure. The controller adjusts the inflation process based on sensor data. The output of the air pump is connected to the input of the buffer tank via a connecting pipe. The connecting pipe delivers gas and ensures unidirectional flow. A one-way valve is installed on the connecting pipe to prevent gas backflow and pressure loss. A pressure sensor is installed inside the buffer tank to monitor the air pressure in real time and feed the data back to the controller. The pressure sensor and the air pump are electrically connected to the controller via wires to achieve automated air pressure regulation. The output of the buffer tank is connected to the frame-shaped air guide pipe via an inflation pipe to evenly distribute the gas to all airbags to maintain shock absorption performance.

[0021] The buffer tank is connected to an exhaust pipe, the outlet of which extends to the outside of the housing. The exhaust pipe is equipped with a solenoid valve, which is electrically connected to the controller via a wire. When the pressure inside the buffer tank exceeds a preset threshold, the controller controls the solenoid valve to open and release excess gas through the exhaust pipe, ensuring that the airbag pressure is within a safe range.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] 1. This shock-absorbing battery pack mounting bracket has multi-layer shock-absorbing pads made of EVA foam, rubber and polyurethane at the bottom and top. The EVA foam absorbs high-frequency vibration, the rubber disperses the impact force, and the polyurethane provides rigid support. The three work together to effectively reduce the direct impact of vibration on the battery pack and improve the overall stability.

[0024] 2. The shock-absorbing battery pack mounting bracket features cylindrical airbags arranged in the front-to-back and left-to-right directions. These airbags absorb vibration energy from different directions through gas compression and deformation. Combined with the push plate of the displacement component, the impact force is transmitted, significantly shortening the battery pack swaying time and avoiding the repeated impacts caused by the repeated expansion and contraction of traditional spring structures, thereby extending the service life of the mounting bracket.

[0025] 3. The shock-absorbing battery pack mounting bracket features an automatic inflation component that monitors the airbag pressure in real time via a pressure sensor. The controller dynamically adjusts the start and stop of the inflation pump and solenoid valve to achieve bidirectional control of inflation and deflation. This ensures that the airbag pressure is always within the optimal operating range, preventing shock absorption failure caused by overpressure or underpressure, and improving system reliability and environmental adaptability. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0028] Figure 3 This is one of the partial structural schematic diagrams of this utility model;

[0029] Figure 4 This is a schematic diagram of the assembly structure of the top plate and the second shock-absorbing pad in this utility model;

[0030] Figure 5 This is a second schematic diagram of a partial structure of this utility model;

[0031] Figure 6 This is a schematic diagram of the internal assembly structure of the battery tray in this utility model;

[0032] Figure 7 This is a cross-sectional structural diagram of the battery holder in this utility model;

[0033] Figure 8 This is the third partial structural schematic diagram of this utility model;

[0034] Figure 9 This is a schematic diagram of the first displacement component in this utility model;

[0035] Figure 10 This is a schematic diagram of the second displacement component structure in this utility model;

[0036] Figure 11 This is a schematic diagram of the internal structure of the box in this utility model;

[0037] In the diagram: 1. Battery tray; 10. Connecting frame plate; 11. Vehicle body mounting base; 2. Top plate; 3. First shock-absorbing pad; 30. First EVA foam pad; 31. First rubber pad; 32. First polyurethane pad; 4. Battery pack; 5. Second shock-absorbing pad; 50. Second EVA foam pad; 51. Second rubber pad; 52. Second polyurethane pad; 6. Shock-absorbing assembly; 60. First circular groove; 600. First clearance opening; 61. Second circular groove; 610. Second clearance opening; 62. First cylindrical airbag; 620. First air guide pipe; 63. Two cylindrical airbags; 630, second air guide branch pipe; 64, frame-shaped air guide main pipe; 7, automatic inflation component; 70, box body; 71, box cover; 710, air inlet; 72, inflation pump; 73, connecting pipe; 74, buffer air tank; 75, inflation pipe; 76, controller; 77, one-way valve; 78, exhaust pipe; 79, solenoid valve; 8, first displacement component; 80, first rectangular tube; 81, first rectangular slider; 82, first rectangular push plate; 9, second displacement component; 90, second rectangular tube; 91, second rectangular slider; 92, second rectangular push plate. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0040] Please see Figures 1-11 This utility model provides a technical solution:

[0041] A shock-absorbing battery pack mounting bracket includes a battery tray 1. The top of the battery tray 1 is provided with a top plate 2 for sealing the battery tray 1 and providing upper support. The bottom of the inner wall of the battery tray 1 is provided with a first shock-absorbing pad 3 for absorbing the vibration of the bottom of the battery pack 4 and dispersing the impact force. The battery pack 4 is placed on the top of the first shock-absorbing pad 3. The bottom of the top plate 2 is provided with a second shock-absorbing pad 5 for positioning the top of the battery pack 4. The elastic deformation limits the vertical displacement of the battery pack 4 and buffers the top impact.

[0042] The battery tray 1 is equipped with a shock-absorbing component 6, which is used to dynamically absorb vibration energy from different directions. The shock-absorbing component 6 includes four first circular grooves 60. The two front first circular grooves 60 are installed on the front side of the inner wall of the battery tray 1, and the two rear first circular grooves 60 are installed on the rear side of the inner wall of the battery tray 1, which are used to fix the shock-absorbing structure in the front and rear directions. Each of the four first circular grooves 60 is equipped with a first cylindrical airbag 62, which absorbs the vibration in the front and rear directions through gas compression deformation.

[0043] The shock absorption assembly 6 also includes four second circular grooves 61. The two second circular grooves 61 on the left are installed on the left side of the inner wall of the battery tray 1, and the two second circular grooves 61 on the right are installed on the right side of the inner wall of the battery tray 1. They are used to fix the shock absorption structure in the left and right directions. Each of the four second circular grooves 61 is provided with a second cylindrical airbag 63, which absorbs the vibration in the left and right directions through gas compression deformation.

[0044] The battery tray 1 has a first displacement component 8 on both the front and rear sides of its inner wall. The opposite sides of the two first displacement components 8 abut against the front and rear sides of the battery pack 4, respectively, to restrict the forward and backward movement of the battery pack 4 and transmit the impact to the first cylindrical airbag 62. The battery tray 1 has a second displacement component 9 on both the left and right sides of its inner wall. The opposite sides of the two second displacement components 9 abut against the left and right sides of the battery pack 4, respectively, to restrict the left and right movement of the battery pack 4 and transmit the impact to the second cylindrical airbag 63.

[0045] In this embodiment, a docking frame plate 10 is provided on the top of the outer wall of the battery tray 1. The docking frame plate 10 is detachably connected to the top plate 2 by bolts, which facilitates the installation and removal of the top plate 2 and enhances the connection strength between the battery tray 1 and the top plate 2.

[0046] Specifically, the outer wall of the docking frame plate 10 is provided with multiple vehicle body mounting seats 11. The vehicle body mounting seats 11 are detachably connected to the car bracket by bolts to fix the mounting bracket to the vehicle body.

[0047] Furthermore, the first shock-absorbing pad 3 includes a first EVA foam pad 30, a first rubber pad 31 on the top of the first EVA foam pad 30, and a first polyurethane pad 32 on the top of the first rubber pad 31. The first EVA foam pad 30 absorbs high-frequency vibrations, the first rubber pad 31 disperses impact forces, and the first polyurethane pad 32 provides rigid support, thus forming a composite shock-absorbing effect.

[0048] Furthermore, the second shock-absorbing pad 5 includes a second EVA foam pad 50, a second rubber pad 51 at the bottom of the second EVA foam pad 50, and a second polyurethane pad 52 at the bottom of the second rubber pad 51. The second EVA foam pad 50 buffers the top impact, the second rubber pad 51 disperses the impact force, and the second polyurethane pad 52 counteracts the impact with the battery pack 4 to enhance stability.

[0049] Furthermore, the shock absorption assembly 6 also includes a frame-shaped air guide pipe 64, which is located on top of the first shock absorption pad 3. The frame-shaped air guide pipe 64 is used to connect all the airbags and equalize the gas pressure. The bottom of the first cylindrical airbag 62 is provided with a first air guide branch pipe 620 that communicates with the frame-shaped air guide pipe 64. The first cylindrical airbag 62 is connected to the frame-shaped air guide pipe 64 to achieve gas exchange. The bottom of the first circular groove 60 is provided with a first clearance port 600 to avoid the first air guide branch pipe 620, so as to prevent the first air guide branch pipe 620 from interfering with the first circular groove 60.

[0050] Furthermore, the bottom of the second cylindrical airbag 63 is provided with a second air guide branch pipe 630 that communicates with the frame-shaped air guide main pipe 64, so that the second cylindrical airbag 63 and the frame-shaped air guide main pipe 64 are connected to adjust the air pressure synchronously. The bottom of the second circular groove 61 is provided with a second clearance port 610 for avoiding the second air guide branch pipe 630, so as to ensure the installation space and freedom of movement of the second air guide branch pipe 630.

[0051] Furthermore, the first displacement component 8 includes a first rectangular tube 80 fixedly connected to the inner wall of the battery tray 1 as a sliding guide structure. A first rectangular slider 81 is sleeved inside the first rectangular tube 80, which can slide along the first rectangular tube 80 to transmit impact force. A first rectangular push plate 82 is provided at the end of the first rectangular slider 81 away from the battery tray 1, which is used to directly press against the battery pack 4 and push the first cylindrical airbag 62 to deform. The side of the first cylindrical airbag 62 away from the first circular groove 60 abuts against the side of the first rectangular push plate 82. The impact energy from the first rectangular push plate 82 is absorbed through the deformation of the airbag. The side of the first rectangular push plate 82 away from the first cylindrical airbag 62 abuts against the outer side of the battery pack 4, thereby limiting the front and rear displacement of the battery pack 4 in real time.

[0052] Furthermore, the second displacement component 9 includes a second rectangular tube 90 fixedly connected to the inner wall of the battery tray 1 as a lateral sliding guide structure. A second rectangular slider 91 is sleeved inside the second rectangular tube 90 and can slide along the second rectangular tube 90 to transmit lateral impact force. A second rectangular push plate 92 is provided at the end of the second rectangular slider 91 away from the battery tray 1, which is used to press against the battery pack 4 and push the second cylindrical airbag 63 to deform. The side of the second cylindrical airbag 63 away from the second circular groove 61 abuts against the side of the second rectangular push plate 92, absorbing the lateral impact through the deformation of the airbag. The side of the second rectangular push plate 92 away from the second cylindrical airbag 63 abuts against the outer side of the battery pack 4, restricting the left and right displacement of the battery pack 4 in real time.

[0053] Furthermore, the battery tray 1 is provided with an automatic inflation component 7 on the right side. The electrical components in the automatic inflation component 7 are all powered by the battery pack 4 and are used to dynamically maintain the air pressure of the airbag to optimize the shock absorption effect. The automatic inflation component 7 includes a box body 70 fixedly connected to the right side of the battery tray 1, which serves as the mounting housing of the inflation system. The right side of the box body 70 is detachably connected to a box cover 71 by bolts. An air inlet 710 is provided on the right side of the box cover 71 to introduce external air to supplement the air source.

[0054] The housing 70 contains an air pump 72, a buffer air tank 74, and a controller 76. The air pump 72 supplies air to the buffer air tank 74, which stores the gas and balances the air pressure. The controller 76 adjusts the inflation process based on sensor data. The output end of the air pump 72 is connected to the input end of the buffer air tank 74 through a connecting pipe 73. The connecting pipe 73 delivers the gas and ensures unidirectional flow. A one-way valve 77 is provided on the connecting pipe 73 to prevent gas backflow and pressure loss. The buffer air tank 74 contains a pressure sensor that monitors the air pressure in real time and feeds back the data to the controller 76. The pressure sensor and the air pump 72 are electrically connected to the controller 76 through wires to achieve automatic air pressure regulation. The output end of the buffer air tank 74 is connected to the frame-shaped air guide pipe 64 through an inflation pipe 75 to evenly distribute the gas to all airbags to maintain shock absorption performance.

[0055] The buffer tank 74 is connected to an exhaust pipe 78, the outlet of which extends to the outside of the housing 70. The exhaust pipe 78 is equipped with a solenoid valve 79, which is electrically connected to the controller 76 via a wire. When the pressure inside the buffer tank 74 exceeds a preset threshold, the controller 76 controls the solenoid valve 79 to open, releasing excess gas through the exhaust pipe 78 to ensure that the airbag pressure is within a safe range.

[0056] In this embodiment, the shock-absorbing battery pack mounting bracket is used by first laying a first EVA foam pad 30, a first rubber pad 31, and a first polyurethane pad 32 sequentially on the bottom inner wall of the battery tray 1 to form a first shock-absorbing pad 3, and then placing the battery pack 4 on top of the first polyurethane pad 32; the second EVA foam pad 50, the second rubber pad 51, and the second polyurethane pad 52 at the bottom of the top plate 2 form a second shock-absorbing pad 5, and the top plate 2 is bolted to the battery tray 1 through the mating frame plate 10, so that the second polyurethane pad 52 is tightly attached to the top of the battery pack 4; then the battery tray 1 is moved through the mating frame plate 10 on its outer wall. The vehicle mounting bracket 11 is fixed to the car bracket with bolts. In use, the air pump 72 inflates the buffer air tank 74 through the connecting pipe 73 and the one-way valve 77. The gas enters the frame-shaped air guide pipe 64 through the inflation pipe 75 and is distributed to all the first cylindrical airbags 62 and the second cylindrical airbags 63. At the same time, the exhaust pipe 78 and the solenoid valve 79 are controlled by the controller 76 to release the overpressure gas. The vibration of the battery pack 4 is absorbed by the multi-layer shock-absorbing pads. The front, rear, left and right impacts are transmitted to the airbag deformation buffer through the first displacement component 8 and the second displacement component 9. The automatic inflation system adjusts the air pressure in real time to ensure stable shock absorption performance.

[0057] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A shock-absorbing battery pack mounting bracket, including a battery tray (1), characterized in that: The battery tray (1) has a top plate (2) on top and a first shock-absorbing pad (3) on the bottom of the inner wall of the battery tray (1). A battery pack (4) is placed on top of the first shock-absorbing pad (3). A second shock-absorbing pad (5) for positioning the top of the battery pack (4) is provided at the bottom of the top plate (2). The battery tray (1) has a shock-absorbing assembly (6). The shock-absorbing assembly (6) includes four first circular grooves (60). The two first circular grooves (60) at the front are installed on the front side of the inner wall of the battery tray (1), and the two first circular grooves (60) at the rear are installed on the rear side of the inner wall of the battery tray (1). Each of the four first circular grooves (60) has a first cylindrical airbag (62). The vibration assembly (6) also includes four second circular grooves (61). The two second circular grooves (61) on the left are installed on the left side of the inner wall of the battery tray (1), and the two second circular grooves (61) on the right are installed on the right side of the inner wall of the battery tray (1). Each of the four second circular grooves (61) is provided with a second cylindrical airbag (63). The front and rear sides of the inner wall of the battery tray (1) are provided with first displacement assemblies (8). The opposite sides of the two first displacement assemblies (8) abut against the front and rear sides of the battery pack (4). The left and right sides of the inner wall of the battery tray (1) are provided with second displacement assemblies (9). The opposite sides of the two second displacement assemblies (9) abut against the left and right sides of the battery pack (4).

2. The shock-absorbing battery pack mounting bracket according to claim 1, characterized in that: The top of the outer wall of the battery tray (1) is provided with a docking frame plate (10), which is detachably connected to the top plate (2) by bolts.

3. The shock-absorbing battery pack mounting bracket according to claim 2, characterized in that: The outer wall of the docking frame plate (10) is provided with a plurality of vehicle body mounting seats (11), which are detachably connected to the vehicle bracket by bolts.

4. The shock-absorbing battery pack mounting bracket according to claim 1, characterized in that: The first shock-absorbing pad (3) includes a first EVA foam pad (30), a first rubber pad (31) is provided on the top of the first EVA foam pad (30), and a first polyurethane pad (32) is provided on the top of the first rubber pad (31).

5. The shock-absorbing battery pack mounting bracket according to claim 1, characterized in that: The second shock-absorbing pad (5) includes a second EVA foam pad (50), a second rubber pad (51) is provided at the bottom of the second EVA foam pad (50), and a second polyurethane pad (52) is provided at the bottom of the second rubber pad (51).

6. The shock-absorbing battery pack mounting bracket according to claim 1, characterized in that: The shock-absorbing assembly (6) also includes a frame-shaped air guide main pipe (64), which is located on the top of the first shock-absorbing pad (3). The bottom of the first cylindrical airbag (62) is provided with a first air guide branch pipe (620) that communicates with the frame-shaped air guide main pipe (64). The bottom of the first circular groove (60) is provided with a first clearance opening (600) for avoiding the first air guide branch pipe (620).

7. The shock-absorbing battery pack mounting bracket according to claim 6, characterized in that: The bottom of the second cylindrical airbag (63) is provided with a second air guide branch pipe (630) that communicates with the frame-shaped air guide main pipe (64), and the bottom of the second circular groove (61) is provided with a second clearance opening (610) for avoiding the second air guide branch pipe (630).

8. The shock-absorbing battery pack mounting bracket according to claim 1, characterized in that: The first displacement component (8) includes a first rectangular tube (80) fixedly connected to the inner wall of the battery tray (1), a first rectangular slider (81) is sleeved inside the first rectangular tube (80), a first rectangular push plate (82) is provided at the end of the first rectangular slider (81) away from the battery tray (1), the side of the first cylindrical airbag (62) away from the first circular groove (60) abuts against the side of the first rectangular push plate (82), and the side of the first rectangular push plate (82) away from the first cylindrical airbag (62) abuts against the outer side of the battery pack (4).

9. The shock-absorbing battery pack mounting bracket according to claim 1, characterized in that: The second displacement component (9) includes a second rectangular tube (90) fixedly connected to the inner wall of the battery tray (1). A second rectangular slider (91) is sleeved inside the second rectangular tube (90). A second rectangular push plate (92) is provided at the end of the second rectangular slider (91) away from the battery tray (1). The side of the second cylindrical airbag (63) away from the second circular groove (61) abuts against the side of the second rectangular push plate (92). The side of the second rectangular push plate (92) away from the second cylindrical airbag (63) abuts against the outer side of the battery pack (4).

10. The shock-absorbing battery pack mounting bracket according to claim 6, characterized in that: The battery tray (1) has an automatic inflation device (7) on its right side. The automatic inflation device (7) includes a box body (70) fixedly connected to the right side of the battery tray (1). A box cover (71) is detachably connected to the right side of the box body (70) by bolts. An air inlet (710) is opened on the right side of the box cover (71). An inflation pump (72), a buffer air tank (74), and a controller (76) are provided inside the box body (70). The output end of the inflation pump (72) is connected to the input end of the buffer air tank (74) through a connecting pipe (73). The connecting pipe (73) has... A one-way valve (77) is provided. A pressure sensor is provided inside the buffer gas tank (74). The pressure sensor and the air pump (72) are electrically connected to the controller (76) through wires. The output end of the buffer gas tank (74) is connected to the frame-shaped air guide pipe (64) through the air filling pipe (75). An exhaust pipe (78) is connected to the buffer gas tank (74). The outlet of the exhaust pipe (78) extends to the outside of the box (70). A solenoid valve (79) is provided on the exhaust pipe (78). The solenoid valve (79) is electrically connected to the controller (76) through wires.

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