Vehicle safety protection device
By installing protective mechanisms and cooling fans inside the battery compartment of new energy vehicles, the problems of impact and heat accumulation when the battery pack faces ground protrusions have been solved, thereby improving the stability and safety of the battery pack.
Patent Information
- Application Number
- CN202520275918.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In the existing technology, fixed battery guards have limited protective effect when facing ground protrusions, making new energy vehicle battery packs susceptible to impacts, and the heat of the battery pack is difficult to dissipate effectively during operation, affecting safety and lifespan.
A vehicle safety protection device was designed, including a protective mechanism and a cooling fan inside the battery compartment. The protective mechanism uses an arc-shaped protective plate and a buffer spring to move the battery pack upward for protection, and the cooling fan dissipates heat to avoid impacts and overheating.
It effectively prevents the battery pack from being bumped or knocked by ground protrusions, maintaining the stability and safety of the battery pack. At the same time, the cooling fan reduces the temperature inside the battery compartment, extending the battery pack's lifespan.
Smart Images

Figure CN223720649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle battery protection field, concretely is a vehicle safety protection device. BACKGROUND
[0002] The new energy automobile refers to the automobile that uses unconventional vehicle fuel as power source, and is formed by combining the advanced technology of vehicle power control and driving, and is the automobile with advanced technology principle and new technology and new structure, in order to realize the protection of new energy automobile battery, generally installs new energy automobile battery in the battery compartment of new energy automobile.
[0003] In the prior art, in order to protect the battery pack from the impact of ground foreign matters, the new energy vehicle owner often installs a battery guard plate under the battery pack of the automobile to protect the battery pack, but due to the fixed installation of the guard plate, when the ground protruding object is high, the battery pack will still be bumped, resulting in limited protection effect. UTILITY MODEL CONTENTS
[0004] In order to make up for the deficiency of the prior art, since the guard plate is fixedly installed, when the ground protruding object is high, the battery pack will still be bumped, resulting in limited protection effect, the utility model provides a vehicle safety protection device.
[0005] The utility model solves the technical scheme that the utility model adopts: a vehicle safety protection device, including battery compartment, the inside installation of battery compartment has battery pack, both sides and bottom of battery pack are installed with protection mechanism,
[0006] The protection mechanism includes four auxiliary limiting pieces, the fixed end and telescopic end of four auxiliary limiting pieces are installed with rotating shaft seat, the rotating shaft seat is fixedly connected with the inner wall of battery compartment and both sides of battery pack respectively, the inner chamber of battery compartment and the bottom of battery pack are installed with protection assembly,
[0007] The protection assembly includes two fixedly installed strip-shaped rods in the inner chamber of battery compartment, and the inside of two strip-shaped rods is slidably installed with arc-shaped protection plate, a plurality of strip-shaped sliding holes are formed in the both sides of the top of arc-shaped protection plate, a plurality of limiting columns are fixedly installed in the inside of strip-shaped rod, and the limiting column and strip-shaped sliding hole are slidably connected.
[0008] As preferred, the top of arc-shaped protection plate is fixedly installed with two buffer springs, and the top end of two buffer springs is fixedly installed with mounting plate, and the top of mounting plate is connected with the bottom of battery pack.
[0009] Preferably, the auxiliary limiting piece comprises a sleeve rod connected with the inner wall of the battery compartment through a rotating shaft base, one end of the sleeve rod away from the inner wall of the battery compartment is provided with a sliding rod, the sliding rod is connected with the battery pack through a rotating shaft base, one end of the sliding rod inside the sleeve rod is fixedly provided with a limiting block, the limiting block away from the sliding rod is fixedly provided with a pressing spring, the inside of the pressing spring is fixedly provided with a damper, the damper is arranged on both sides of the sleeve rod, one end of the damper is fixedly connected with one end of the sleeve rod, and the end of the pressing spring away from the limiting block is fixedly connected with the inner wall of the sleeve rod.
[0010] Preferably, the both sides of the battery compartment are provided with heat dissipation fans, the surface of the heat dissipation fan is fixedly provided with a fixing ring, and the surface of the fixing ring is provided with a screw.
[0011] Preferably, the both sides of the battery compartment are fixedly provided with fixing plates, the surface of the fixing plate is provided with a bolt, and the fixing plate is fixedly arranged in the vehicle chassis through the bolt.
[0012] Preferably, the inside of the strip-shaped rod is a strip-shaped cavity, and the both sides of the arc-shaped protection plate pass through the inside of the strip-shaped rod through the strip-shaped cavity.
[0013] The utility model discloses the beneficial effect lies in:
[0014] 1, the utility model discloses the setting of protection mechanism when the ground protuberance contacts arc-shaped protection board, drives arc-shaped protection board to slide in the inside of strip-shaped rod, makes arc-shaped protection board gradually extend upwards, and utilizes buffer spring and the elasticity of mounting plate to drive battery pack to move upwards, when the vehicle chassis meets scratch, forms the protection to battery pack, simultaneously, the buffer spring of mounting plate is pushed to battery pack, and cooperates with auxiliary limiting piece, so that battery pack uses the elasticity of pressing spring and cooperates with the damper in the inside of sleeve rod to form the resistance of sleeve rod and sliding rod when moving upwards, avoids the reciprocating swing of battery pack in the inside of battery compartment, influences the case of battery pack stability, thereby when the ground protuberance is higher, battery pack moves upwards, avoids the knock of battery pack, and influences the case of battery pack use security.
[0015] 2, through the setting of heat dissipation fan, when battery pack continuously works, the heat in the inside of battery compartment will gradually increase, and the heat in the inside of battery compartment can be discharged through the work of heat dissipation fan, avoids the inside temperature of battery compartment to be too high, causes battery pack to appear overheat, and influences the case of battery pack service life. ACCURACY OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below only constitute some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0017] Figure 1 It is a structural schematic diagram of the present application;
[0018] Figure 2 It is a structural schematic diagram of the protection assembly of the present application;
[0019] Figure 3 It is a structural schematic diagram of the present application Figure 2 enlarged structure at A;
[0020] Figure 4 It is a structural schematic diagram of the auxiliary limiting piece of the present application;
[0021] Figure 5 It is a structural schematic diagram of the cooling fan of the present application.
[0022] In the figure: 1, battery compartment; 2, battery pack; 3, protection mechanism; 31, auxiliary limiting piece; 311, sleeve rod; 312, sliding rod; 313, limiting block; 314, abutting spring; 315, damper; 32, rotating shaft seat; 33, protection assembly; 331, strip rod; 332, arc-shaped protection plate; 333, strip-shaped sliding hole; 334, limiting column; 335, buffer spring; 336, mounting plate; 4, cooling fan; 5, fixing ring; 6, screw; 7, fixed plate; 8, bolt. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] The following will be described in detail with reference to the drawings in the embodiments of the present application. Figures 1-5 The present application will be described in further detail,
[0025] The embodiments of the present application disclose a vehicle safety protection device. With reference to Figure 1 and Figure 5 A vehicle safety protection device, comprising a battery compartment 1, a battery pack 2 is installed inside the battery compartment 1, and protection mechanisms 3 are installed on both sides and the bottom of the battery pack 2;
[0026] The protection mechanism 3 comprises four auxiliary limiting pieces 31, the fixed end and the telescopic end of the four auxiliary limiting pieces 31 are both installed with a rotating shaft seat 32, the rotating shaft seat 32 is fixedly connected with the inner wall of the battery compartment 1 and the two sides of the battery pack 2 respectively, the inner cavity of the battery compartment 1 and the bottom of the battery pack 2 are installed with a protection assembly 33;
[0027] The protection assembly 33 comprises two strip-shaped rods 331 fixedly installed in the inner cavity of the battery compartment 1, the inside of the two strip-shaped rods 331 is slidably installed with an arc-shaped protection plate 332, the top of the arc-shaped protection plate 332 is provided with a plurality of strip-shaped sliding holes 333 on both sides, a plurality of limiting columns 334 are fixedly installed in the inside of the strip-shaped rod 331, and the limiting column 334 and the strip-shaped sliding hole 333 are in sliding connection.
[0028] Referring to Figure 2 and Figure 3 , the top of the arc-shaped protection plate 332 is fixedly installed with two buffer springs 335, the top of the two buffer springs 335 is fixedly installed with a mounting plate 336, the top of the mounting plate 336 is connected with the bottom of the battery pack 2, by setting the protection assembly 33, when the ground protrusions contact the arc-shaped protection plate 332, the arc-shaped protection plate 332 is driven to slide in the inside of the strip-shaped rod 331, the arc-shaped protection plate 332 is gradually extended upwards, the battery pack 2 is driven to move upwards by the elasticity of the buffer spring 335 and the mounting plate 336, and the vehicle chassis is protected when the battery pack 2 encounters scratching;
[0029] Referring to Figure 1 and Figure 4 , the auxiliary limiting piece 31 comprises a sleeve rod 311, the sleeve rod 311 and the inner wall of the battery compartment 1 are connected through the rotating shaft seat 32, a sliding rod 312 is installed at the end of the sleeve rod 311 away from the inner wall of the battery compartment 1, the sliding rod 312 and the battery pack 2 are connected through the rotating shaft seat 32, a limiting block 313 is fixedly installed at the end of the sliding rod 312 inside the sleeve rod 311, a pressing spring 314 is fixedly installed on the side of the limiting block 313 away from the sliding rod 312, a damper 315 is fixedly arranged in the inside of the pressing spring 314, the damper 315 is always arranged at both sides of the sleeve rod 311, one end of the damper 315 is fixedly connected with one end of the sleeve rod 311, the end of the pressing spring 314 away from the limiting block 313 is fixedly connected with the inner wall of the sleeve rod 311, by the auxiliary limiting piece 31, when the battery pack 2 moves upwards, the sleeve rod 311 and the sliding rod 312 are resisted by the elasticity of the pressing spring 314 matched with the damper 315 in the inside, the reciprocating shaking of the battery pack 2 in the inside of the battery compartment 1 is avoided, and the situation that the stability of the battery pack 2 is affected is avoided;
[0030] Referring to Figure 1 and Figure 5Both sides of the battery compartment 1 are provided with a heat dissipation fan 4, the surface of the heat dissipation fan 4 is fixedly installed with a fixed ring 5, the surface of the fixed ring 5 is provided with a screw 6, the fixed ring 5 and the battery compartment 1 are fixedly connected through the screw 6, by setting the heat dissipation fan 4, when the battery pack 2 continuously works, the heat inside the battery compartment 1 will gradually increase, and the heat inside the battery compartment 1 can be discharged through the work of the heat dissipation fan 4, so as to avoid the internal temperature of the battery compartment 1 being too high, causing the battery pack 2 to overheat;
[0031] Referring to Figure 1 And Figure 5 The front and rear sides of the battery compartment 1 are fixedly installed with a fixed plate 7, the surface of the fixed plate 7 is provided with a bolt 8, and the fixed plate 7 is fixed in the vehicle chassis through the bolt 8. By setting the fixed plate 7 and the bolt 8, the device can be installed on the automobile chassis for the purpose of using the battery pack 2;
[0032] Referring to Figure 3 The inside of the strip-shaped rod 331 is a long strip-shaped cavity, and the two sides of the arc-shaped protective plate 332 pass through the inside of the strip-shaped rod 331 through the long strip-shaped cavity. By setting the long strip-shaped cavity, the arc-shaped protective plate 332 can be limited when sliding, avoiding the situation that the arc-shaped protective plate 332 collides with the battery pack 2 when extending upward.
[0033] Working principle: when the ground protrusions contact the arc-shaped protective plate 332, the protrusions form an impact force on the arc-shaped protective plate 332 and drive the arc-shaped protective plate 332 to slide inside the strip-shaped rod 331, so that the arc-shaped protective plate 332 gradually extends upward. At the same time, the arc-shaped protective plate 332 extends upward, and the elasticity of the buffer spring 335 and the mounting plate 336 forms an upward movement of the battery pack 2, so that the vehicle chassis protects the battery pack 2 when it encounters scratches. At the same time, when the mounting plate 336 and the buffer spring 335 push the battery pack 2, they cooperate with the auxiliary limiting piece 31 to form a resistance to the battery pack 2 when it moves upward, avoiding the reciprocating shaking of the battery pack 2 inside the battery compartment 1;
[0034] And as the battery pack 2 continuously works, the heat generated by the battery pack 2 gradually accumulates inside the battery compartment 1. At this time, the heat dissipation fan 4 works to discharge the heat inside the battery compartment 1, avoiding the internal temperature of the battery compartment 1 being too high, causing the battery pack 2 to overheat.
[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A vehicle safety shield comprising: Including battery compartment (1), the inside of battery compartment (1) is installed with battery pack (2), and the two sides of battery pack (2) are installed with protection mechanism (3) with bottom; The protection mechanism (3) includes four auxiliary limiting pieces (31), the fixed end and the telescopic end of the four auxiliary limiting pieces (31) are installed with pivot seat (32), the pivot seat (32) is fixedly connected with the inner wall of battery compartment (1) and the two sides of battery pack (2) respectively, the inner cavity of battery compartment (1) and the bottom of battery pack (2) are installed with protection assembly (33); The protection assembly (33) includes two strip-shaped rods (331) fixedly installed in the inner cavity of battery compartment (1), and the inside of the two strip-shaped rods (331) is slidably installed with arc-shaped protection plate (332), a plurality of strip-shaped sliding holes (333) are formed in the two sides of the top of arc-shaped protection plate (332), a plurality of limiting columns (334) are fixedly installed in the inside of strip-shaped rod (331), and the limiting column (334) and the strip-shaped sliding hole (333) are slidably connected.
2. A vehicle safety shield according to claim 1, wherein: The top of arc-shaped protection plate (332) is fixedly installed with two buffer springs (335), and the top of the two buffer springs (335) is fixedly installed with mounting plate (336), and the top of mounting plate (336) is connected with the bottom of battery pack (2).
3. A vehicle safety shield according to claim 1, wherein: The auxiliary limiting piece (31) includes a sleeve rod (311) connected to the inner wall of the battery compartment (1) through the pivot seat (32), a sliding rod (312) penetratingly installed at one end of the sleeve rod (311) away from the inner wall of the battery compartment (1), the sliding rod (312) connected to the battery pack (2) through the pivot seat (32), a limiting block (313) fixedly installed at one end of the sliding rod (312) inside the sleeve rod (311), a pressing spring (314) fixedly installed on one side of the limiting block (313) away from the sliding rod (312), a damper (315) fixedly arranged in the inside of the pressing spring (314), the damper (315) always arranged on both sides of the sleeve rod (311), one end of the damper (315) fixedly connected to one end of the sleeve rod (311), and one end of the pressing spring (314) away from the limiting block (313) fixedly connected to the inner wall of the sleeve rod (311).
4. A vehicle safety shield according to claim 1, wherein: Both sides of the battery compartment (1) are provided with a heat dissipation fan (4), the surface of the heat dissipation fan (4) is fixedly installed with a fixed ring (5), the surface of the fixed ring (5) is penetratingly installed with a screw (6), and the fixed ring (5) and the battery compartment (1) are fixedly connected through the screw (6).
5. A vehicle safety shield according to claim 1, wherein: Both sides of the battery compartment (1) are fixedly installed with a fixed plate (7), the surface of the fixed plate (7) is penetratingly installed with a bolt (8), and the fixed plate (7) is fixed in the vehicle chassis through the bolt (8).
6. A vehicle safety shield according to claim 1, wherein: The inside of the strip-shaped rod (331) is a long strip-shaped cavity, and the two sides of the arc-shaped protection plate (332) penetrate into the inside of the strip-shaped rod (331) through the long strip-shaped cavity.