Auxiliary disassembling device for automobile safety air bag
By designing an auxiliary disassembly device for automotive airbags, which employs a combination of grippers and motors, the problem of time-consuming airbag screw removal has been solved, achieving efficient and stable screw removal and improving maintenance efficiency.
Patent Information
- Application Number
- CN202520280311.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-21
AI Technical Summary
In the existing technology, the screws of the airbag system need to be removed with tools, which is time-consuming and can easily damage the screw slots or housing, especially in high-efficiency situations in repair shops, thus increasing maintenance time.
An auxiliary device for disassembling automotive airbags was designed. It uses grippers to hold screws and works in coordination with motors to achieve simultaneous disassembly of multiple screws. The grippers are equipped with anti-slip pads to increase friction. The gripper position is adjusted using a worm gear structure and a double-threaded screw. A motor synchronizer ensures coordinated operation of the motors.
It improves the efficiency and stability of airbag screw removal, avoids damage to screw grooves and housings, shortens disassembly time, and improves maintenance efficiency.
Smart Images

Figure CN223748987U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile safety air bag, concretely is a kind of automobile safety air bag auxiliary disassembly device. BACKGROUND
[0002] Electronic safety air bag safety air bag system is a kind of passive safety protection system, it is used in conjunction with seat belt, can provide effective anti-collision protection for passenger, when car collides, automobile safety air bag can reduce 25% head injury rate, reduce about 80% facial injury rate.
[0003] The inventor found that the prior art has the following problems in the process of realizing the utility model: 1, using ordinary screwdriver, it can be because screwdriver head and screw groove do not match and lead to screw groove to be twisted and broken, for example, the size of cross screwdriver head is slightly deviated, when screw is twisted, it is easy to make cross slot edge of screw wear, become silk state, in this way, screw is difficult to disassemble, subsequent need to use special screw removal tool, even damage entire safety air bag shell;2, when the upper shell and the lower shell of safety air bag are fixed by multiple screws, one by one disassembly screw is relatively time-consuming process, for example, some complex safety air bag systems have ten or so screws, each screw needs to be disassembled using tool, this process can spend a lot of time, especially in the car repair workshop and the like, which requires high efficiency, which can increase the waiting time of vehicle maintenance. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a kind of automobile safety air bag auxiliary disassembly device to solve the problem that some complex safety air bag systems have ten or so screws in the above background art, each screw needs to be disassembled using tool, this process can spend a lot of time.For realizing above-mentioned purpose, the utility model provides following technical scheme: a kind of automobile safety air bag auxiliary disassembly device, including upper shell, the lower shell is installed in the lower of the upper shell by screw, the upper of the upper shell is equipped with sliding slot, the inside of the sliding slot is equipped with first motor, the shell of the first motor is installed with moving block by screw;
[0005] The shell of the second motor is installed with fixed shell below the shell of the second motor, the lower output shaft of the second motor is installed with worm by screw, the side of the worm is engaged with turbine, the front of the turbine is rotatably connected with clamping jaw, the side of the clamping jaw is glued with non-slip pad;
[0006] The side of the sliding slot is installed with fixed handle by screw, the inside of the sliding slot is rotatably connected with double-threaded screw rod, the rear of the double-threaded screw rod is rotatably connected with rotating handle, the front of the sliding slot is installed with the shell of motor synchronizer by screw.
[0007] Further preferably, the fixed shell and the second motor form a rotating structure through the first motor.
[0008] Further preferably, the worm forms a rotating structure through the second motor, and the turbine forms a rotating structure through the worm.
[0009] Further preferably, the three turbines are annularly distributed around the middle of the worm, and the three clamps form a rotating structure through the three turbines.
[0010] Further preferably, the double-threaded screw rod forms a rotating structure through the rotating handle, the two ends of the double-threaded screw rod are respectively horizontally connected with the moving blocks through threads, and the threads on the surface walls of the double-threaded screw rod are opposite.
[0011] Further preferably, the internal threads of the two moving blocks are consistent with the external structural sizes of the two segments of threads of the double-threaded screw rod.
[0012] Further preferably, the motor synchronizer is respectively provided with two cables, and is connected between the first motor and the second motor.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] In the utility model, the safety air bag auxiliary disassembling device adopts a clamp to clamp a screw for disassembly, the clamp is glued with a non-slip pad on one side, the friction between the clamp and the screw is increased, the clamp can more stably clamp the screw, and compared with an ordinary screwdriver, the safety air bag auxiliary disassembling device will not cause the screw groove to be damaged due to the mismatch between the head and the screw groove.
[0015] In the utility model, the safety air bag auxiliary disassembling device can simultaneously adjust the positions of multiple screws for disassembly, greatly improves the disassembly efficiency, adjusts the double-threaded screw rod through the rotating handle, changes the position of the first motor installed on the moving block, thereby driving the clamp to move to the positions of different screws, simultaneously, the motor synchronizer connects the first motor and the second motor, ensures that the two motors can work cooperatively, and quickly unscrews the screw. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a top view structure schematic diagram of the utility model;
[0017] Figure 2 It is a front view structure schematic diagram of the utility model;
[0018] Figure 3 It is a first motor front structure schematic diagram of the utility model;
[0019] Figure 4 It is a chute lower structure schematic diagram of the utility model.
[0020] In the figure: 1, the upper shell; 2, the first motor; 201, the second motor; 202, the fixed shell; 203, the worm; 204, the turbine; 205, the clamping jaw; 206, the non-slip pad; 3, the sliding groove; 301, the rotating handle; 302, the fixed handle; 303, the double-threaded screw rod; 304, the motor synchronizer; 4, the lower shell; 5, the moving block. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the field without creative labor are within the protection scope of the utility model.
[0022] Please refer to Figures 1 to 4 The utility model provides a kind of technical solutions: a kind of automobile safety air bag auxiliary disassembly device, including upper shell 1, the lower shell 4 is installed in the lower of upper shell 1 by screw, the upper of upper shell 1 is equipped with sliding groove 3, the inside of sliding groove 3 is equipped with first motor 2, the shell of first motor 2 is installed with moving block 5 by screw;
[0023] The shell of second motor 201 is installed with the fixed shell 202 by screw below the shell of second motor 201, the worm 203 is installed with the fixed shell 202 by screw below the shell of second motor 201, the worm 203 is engaged with turbine 204 on one side, turbine 204 is rotatably connected with clamping jaw 205 in front, clamping jaw 205 is glued with non-slip pad 206 on one side;
[0024] The fixed handle 302 is installed with the fixed handle 302 by screw on one side of sliding groove 3, the double-threaded screw rod 303 is rotatably connected in the inside of sliding groove 3, the double-threaded screw rod 303 is rotatably connected with rotating handle 301 behind, the shell of motor synchronizer 304 is installed with the shell of motor synchronizer 304 by screw in front of sliding groove 3.
[0025] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 The fixed shell 202 and the second motor 201 form a rotating structure through the first motor 2; the first motor 2 enables the second motor 201 and the fixed shell 202 to rotate as a whole, and the screws are removed, so that the upper shell 1 and the lower shell 4 are separated, and the safety air bag is easily disassembled.
[0026] In the embodiment, as shown in Figure 3As shown, the worm 203 is in rotational structure with the second motor 201, and the turbine 204 is in rotational structure with the worm 203; the second motor 201 drives the worm 203 to rotate, and then drives the turbine 204 to rotate, so as to adjust the angle of the clamp jaw 205; the rotation of the worm 203 is accurately controlled by the motor, so as to accurately adjust the angle of the turbine 204 and the clamp jaw 205; for example, for the screws on the airbags of different models of vehicles, the angle of the clamp jaw 205 can be flexibly adjusted according to the position and angle requirements of the screws, so as to improve the adaptability of disassembly.
[0027] In the embodiment, as shown in Figure 3 , three turbines 204 are annularly distributed around the middle part of the worm 203, and the three clamp jaws 205 are in rotational structure with the three turbines 204; the distribution of the three turbines 204 and the connection mode with the clamp jaws 205 enable the clamp jaws 205 to be adjusted in different directions, so as to better clamp the screws and increase the flexibility and stability of the clamp jaws 205; for example, when facing screws of different shapes and sizes, the three clamp jaws 205 can clamp the screws from different angles at the same time, so as to improve the reliability of disassembly; meanwhile, the annular distribution of the turbines 204 enables the adjustment of the clamp jaws 205 to be more uniform, so as to avoid uneven force.
[0028] In the embodiment, as shown in Figure 1 , Figure 2 , and Figure 4 , the double-threaded screw rod 303 is in rotational structure with the rotating handle 301, the two ends of the double-threaded screw rod 303 are respectively horizontally connected with the moving blocks 5 in a threaded manner, and the threads on the surface walls of the double-threaded screw rod 303 are opposite; the rotating handle 301 drives the double-threaded screw rod 303 to rotate, so that the two moving blocks 5 move in opposite directions or the same direction at the same time, thereby adjusting the position of the first motor 2 installed on the moving blocks 5.
[0029] In the embodiment, as shown in Figure 1 , Figure 3 , and Figure 4 , the internal threads of the two moving blocks 5 are consistent with the external structural dimensions of the two threads of the double-threaded screw rod 303; the moving blocks 5 and the double-threaded screw rod 303 can be tightly matched to realize smooth movement; the moving precision and stability of the moving blocks 5 on the double-threaded screw rod 303, for example, can ensure the accuracy of movement when adjusting the position of the clamp jaw 205, so as to avoid deviation and improve the efficiency and quality of disassembly.
[0030] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , and Figure 4As shown, the motor synchronizer 304 is provided with two cables respectively, and the motor synchronizer 304 is connected with the first motor 2 and the second motor 201; the motor synchronizer 304 connects the first motor 2 and the second motor 201, realizes the cooperative work of the two motors, and the two motors can operate simultaneously under the control of the motor synchronizer 304, improves the efficiency and precision of disassembly, for example, when disassembling the screw, the first motor 2 and the second motor 201 can cooperatively adjust the position and angle of the clamping jaw 205, quickly and accurately unscrew the screw, meanwhile, the motor synchronizer 304 ensures the motion consistency of the two motors, avoids the disassembly failure or the damage of the screw caused by the different motion.
[0031] The use method and advantages of the utility model are as follows:
[0032] For example, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, first operate the rotating handle 301 to rotate the double-threaded screw rod 303, since the two ends of the double-threaded screw rod 303 are respectively horizontally threadedly connected with the moving blocks 5, and the surface walls of the double-threaded screw rod 303 are oppositely threaded, the internal threads of the two moving blocks 5 are consistent with the external structural dimensions of the two sections of threads of the double-threaded screw rod 303, so when the double-threaded screw rod 303 is rotated, the two moving blocks 5 will simultaneously move in opposite directions or the same direction, thereby adjusting the position of the moving block 5, and accurately positioning the clamping jaw 205 to the screw on the airbag, for example, when disassembling airbags of different models of vehicles, the position of the clamping jaw 205 can be flexibly adjusted according to the actual situation, improving the accuracy and universality of disassembly, and then adjusting the position of the first motor 2 installed on the moving block 5, the motor synchronizer 304 is connected with the first motor 2 and the second motor 201 respectively, ensuring that the two motors can work cooperatively, the motor synchronizer 304 is provided with two cables connected with the first motor 2 and the second motor 201 respectively, starting the first motor 2, the lower output shaft of the first motor 2 drives the housing of the second motor 201 to rotate, since the housing of the first motor 2 is installed with the moving block 5 through screws, the moving block 5 moves in the sliding groove 3, thereby realizing the position adjustment of the second motor 201 in the horizontal direction and the rotation around its own axis, the fixed shell 202 and the second motor 201 constitute a rotating structure through the first motor 2, so that the whole device is more flexible when working, starting the second motor 201, the lower output shaft of the second motor 201 drives the worm 203 to rotate, the worm 203 constitutes a rotating structure through the second motor 201, one side of the worm 203 is engaged with the turbine 204, the turbine 204 rotates under the driving of the worm 203, the three turbines 204 are annularly distributed around the middle part of the worm 203, and the three clamping jaws 205 constitute a rotating structure through the three turbines 204, the rotation of the turbine 204 drives the rotation of the clamping jaw 205, adjusts the angle of the clamping jaw 205, so that it can accurately clamp the screw on the airbag, the side of the clamping jaw 205 is glued with the non-slip pad 206, which increases the friction between the clamping jaw 205 and the screw, preventing slipping during disassembly, after clamping the screw on the airbag with the clamping jaw 205, the screw is rotated and unscrewed through the cooperation of the first motor 2 and the second motor 201, finally, the upper shell 1 and the lower shell 4 are separated, and the disassembly of the airbag is completed.
[0033] The basic principle, main features and advantages of the present application are shown and described above. The technical personnel in the industry should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit 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. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An automobile airbag auxiliary disassembly device comprising an upper shell (1), characterized in that: The lower part of the upper shell (1) is provided with a lower shell (4) through screw mounting, the upper part of the upper shell (1) is provided with a chute (3), the inside of the chute (3) is provided with a first motor (2), the shell of the first motor (2) is provided with a moving block (5) through screw mounting; The lower output shaft of the first motor (2) is provided with the shell of a second motor (201) through screw mounting, the lower part of the shell of the second motor (201) is provided with a fixed shell (202) through screw mounting, the lower output shaft of the second motor (201) is provided with a worm (203) through screw mounting, one side of the worm (203) is engaged with a turbine (204), the front of the turbine (204) is rotatably connected with a clamp jaw (205), one side of the clamp jaw (205) is glued with a non-slip pad (206). One side of the chute (3) is provided with a fixed handle (302) through screw mounting, the inside of the chute (3) is rotatably connected with a double-threaded screw rod (303), the rear of the double-threaded screw rod (303) is rotatably connected with a rotating handle (301), the front of the chute (3) is provided with the shell of a motor synchronizer (304) through screw mounting.
2. The auxiliary disassembling device for automobile airbag according to claim 1, characterized in that: The fixed shell (202) and the second motor (201) constitute a rotating structure through the first motor (2).
3. The auxiliary disassembling device for automobile airbag according to claim 1, characterized in that: The worm (203) constitutes a rotating structure through the second motor (201), and the turbine (204) constitutes a rotating structure through the worm (203).
4. The auxiliary disassembly device for automobile airbag according to claim 1, characterized in that: The three turbines (204) are annularly distributed around the middle part of the worm (203), and the three clamp jaws (205) constitute a rotating structure through the three turbines (204).
5. The auxiliary disassembly device for automobile airbag according to claim 1, characterized in that: The double-threaded screw rod (303) constitutes a rotating structure through the rotating handle (301), and the two ends of the double-threaded screw rod (303) are respectively horizontally screw-connected with the moving blocks (5), and the threads on the surface walls of the double-threaded screw rod (303) are opposite.
6. The auxiliary disassembly device for an automobile airbag according to claim 1, characterized in that: The inside threads of the two moving blocks (5) are consistent with the structure size of the two thread outside of the double-threaded screw rod (303).
7. The auxiliary disassembly device for automobile airbag according to claim 1, characterized in that: The motor synchronizer (304) is respectively provided with two cables, and the motor synchronizer (304) is connected with the first motor (2) and the second motor (201).