Automobile safety handle springback testing device
By designing a car safety handle rebound testing device, and using a combination of flipping components, positioning components, and detection components, the device achieves automation and accuracy in handle rebound testing, solving the problems of inaccurate testing and low efficiency in existing technologies.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHERY AUTOMOBILE CO LTD
- Filing Date
- 2026-01-08
- Publication Date
- 2026-05-19
AI Technical Summary
Existing methods for testing the rebound of automotive safety handles are inaccurate and inefficient, failing to meet the demands of mass production.
A rebound testing device for automotive safety handles was designed, comprising a flipping component, a positioning component, a lever component, and a detection component. The device simulates the use scenario of the handle through an automated process, and uses the lever to move the C-shaped handle to the detection head to perform a rebound test.
It achieves automated springback testing, with accurate test results and high efficiency, overcoming the problems of inaccuracy and low efficiency in existing technologies.
Smart Images

Figure CN122062885A_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of passenger handrails on car roofs, and specifically relates to a rebound testing device for car safety handles. Background Technology
[0002] With the improvement of living standards and the increasing convenience of transportation in my country, more and more people are able to buy cars. As a means of transportation, a car is composed of many parts, and the car safety handle is an important component. It is generally installed on both sides of the vehicle's roof for passengers to hold onto and ensure their personal safety.
[0003] like Figure 1 As shown, the existing car safety handle includes a C-shaped handle a1 and hinge seats a2 installed on both sides of the C-shaped handle a1. The hinge seats a2 are hinged to the C-shaped handle a1 via hinge shafts. The bottom of the hinge seats a2 is provided with a protruding post a3 and a plug post a4. One side of the hinge seats a2 is provided with an inclined wall surface a5. The bottom end of the C-shaped handle a1 is provided with a cover plate a6, and the end of the cover plate a6 is snapped onto the hinge seat a2. Of the two hinge shafts, one hinge shaft is fitted with a torsion spring, and the other hinge shaft is fitted with a damper. The torsion spring is used for the rebound and reset of the C-shaped handle a1.
[0004] During the manufacturing process, it is necessary to test the rebound effect of the C-shaped handle a1. In existing technology, the rebound test is performed manually: a simple clamp is used to hold the hinge seat a2, then the C-shaped handle a1 is pulled and released by hand, and the rebound is visually observed. This method is neither accurate nor can it meet the manufacturer's requirements for rebound testing of large quantities of safety handles. Summary of the Invention
[0005] To address the aforementioned issues, this application provides a device for testing the rebound of automotive safety handles.
[0006] A device for testing the rebound of a car safety handle includes: A flipping assembly includes a rotatable flipping platform, which is used by the flipping assembly to switch a horizontal loading / unloading state to a vertical testing state; The positioning assembly, installed on the flipping platform, includes two positioning plates and a positioning clamping structure for positioning and clamping the hinge seat, and the two positioning plates are arranged in parallel and spaced apart. A lever assembly, mounted on the flipping platform and located between two positioning plates, includes a lever for actuating a C-shaped handle to rotate relative to the hinge seat; The detection component is installed on the flipping platform and corresponds to the C-shaped handle. It includes a first detection head and a second detection head arranged opposite to each other and spaced apart. During testing, the lever moves the C-shaped handle to the first detection head. When the lever is reset by the lever assembly, the C-shaped handle rebounds and moves toward the second detection head under the force of the torsion spring. The second detection head detects whether the C-shaped handle has rebounded into place.
[0007] Preferably, the positioning and clamping structure includes a first positioning hole and a second positioning hole provided on the positioning plate, the first positioning hole being adapted to the protruding post and the second positioning hole being adapted to the insertion post; a pressure plate is slidably installed on the upper side of the positioning plate, and an inclined pressure surface adapted to the inclined wall surface is provided at one end of the pressure plate facing the hinge seat.
[0008] Preferably, at least one guide rail is installed on the flipping platform, and a guide block adapted to the guide rail is installed on the bottom of the positioning plate; a limit plate is fixed to the side end of the flipping platform, a limit groove is provided on the limit plate, and a limit block is provided on the side end of the positioning plate, the size of the limit block is smaller than the limit groove and can move within the limit groove.
[0009] Preferably, the flipping platform is equipped with a pressure plate cylinder on one side of the positioning plate, and the pressure plate cylinder is connected to the pressure plate to drive the pressure plate to move toward the hinge seat.
[0010] Preferably, the lever assembly further includes a lever seat located between two positioning plates and fixed to the flipping platform. Symmetrical and spaced-apart pivot seats are installed on the upper side of the lever seat, and a lever shaft is rotatably connected between the two pivot seats. The lever is fixedly mounted on the lever shaft and is L-shaped. A receiving groove for accommodating the lever is provided on one side of the lever seat. When the C-shaped handle is in the loading / unloading state, the lever is placed in the receiving groove. A first insert is installed on the inner wall of the lever end.
[0011] Preferably, a drive gear is fixedly mounted on the lever shaft; a rack groove is provided in the lever seat, and a rack is slidably mounted in the lever seat, with the rack placed in the rack groove; the bottom end of the drive gear extends into the rack groove and meshes with the rack; a baffle is fixedly mounted on the end of the rack groove opposite to the rack, and a spring is installed between the baffle and the rack; a rack cylinder is mounted on one side of the flipping platform located on the lever seat, and the rack cylinder is connected to the rack.
[0012] Preferably, the flipping assembly further includes support seats symmetrically and spaced apart on both sides of the flipping platform. Connecting ears are symmetrically fixed on both sides of the flipping platform, and the connecting ears are rotatably mounted on the corresponding support seats. A motor is mounted on one side of the support seat via a fixed seat. A first pulley is mounted on the output end of the motor, and a second pulley is mounted on the support seat. The first pulley and the second pulley are connected by a synchronous belt, and the second pulley is drivenly connected to the connecting ear.
[0013] Preferably, the detection component is disposed between the lever assembly and the positioning plate, the first detection head is mounted on the flipping platform via an L-shaped frame and is arranged parallel to the flipping platform, and the second detection head is mounted on the flipping platform via a fixing plate and is arranged perpendicular to the flipping platform.
[0014] Preferably, a limiting seat is installed between the lever assembly and the positioning plate, and a second insert is installed on the limiting seat. When the C-shaped handle is placed, the second insert abuts against the side end of the C-shaped handle.
[0015] Preferably, a top rod is installed in the positioning plate via a through slot, and a top rod cylinder is installed at the bottom of the tilting platform. The top rod cylinder is driven and connected to the top rod. The top rod is used to lift the top cover plate after the test is passed, so that its locking part is disengaged from the hinge seat.
[0016] Compared with the prior art, this application has the following advantages: This invention provides a car safety handle rebound testing device. During testing, the car safety handle is placed on a positioning plate, and a positioning clamping structure positions and clamps the hinge seat. Then, a flipping component switches the horizontal loading and unloading state to a vertical testing state, simulating the actual use scenario of the car safety handle. Next, a lever moves the C-shaped handle to the first detection head, the lever resets, and the C-shaped handle rebounds under the force of a torsion spring and moves towards the second detection head. The second detection head detects whether the C-shaped handle has rebounded to the correct position. This device can achieve automated rebound testing, with accurate and reliable test results and high testing efficiency, overcoming the shortcomings of inaccurate and inefficient testing of existing car safety handles.
[0017] Other features and advantages of this application will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the application. The objectives and other advantages of this application may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 A 3D diagram of existing automotive safety handles; Figure 2 This is a perspective view of a car safety handle rebound testing device according to the present invention; Figure 3 This is a top-view structural schematic diagram of the automotive safety handle rebound testing device of the present invention; Figure 4 for Figure 3 Sectional view along section AA; Figure 5 for Figure 3 Sectional view along section BB; Figure 6 This is a perspective view of the positioning component of a car safety handle rebound testing device according to the present invention; Figure 7 This is a perspective view of the positioning component of the automotive safety handle rebound testing device of the present invention from another angle. Figure 8 This is a perspective view of a lever assembly for a car safety handle rebound testing device according to the present invention; Figure 9 This is a perspective view of the flipping component of a car safety handle rebound testing device according to the present invention.
[0020] Legend: 1. Flipping assembly; 11. Flipping platform; 12. Support base; 13. Connecting ear; 14. Motor; 15. First pulley; 16. Second pulley; 17. Synchronous belt; 2. Positioning assembly; 21. Positioning plate; 22. Pressure plate; 23. Guide rail; 24. Guide block; 25. Limiting plate; 26. Pressure plate cylinder; 211. First positioning hole; 212. Second positioning hole; 213. Limiting block; 221. Inclined pressing surface; 251. Limiting groove; 3. Lever assembly; 30. First insert; 31. 31. Lever; 32. Lever seat; 33. Shaft seat; 34. Lever shaft; 35. Drive gear; 36. Rack; 37. Baffle; 38. Spring; 39. Rack cylinder; 321. Receiving groove; 322. Rack groove; 4. Detection assembly; 41. First detection head; 42. Second detection head; 43. L-shaped frame; 5. Push rod; 51. Push rod cylinder; 6. Limit seat; 61. Second insert; a1. C-shaped handle; a2. Hinge seat; a3. Protruding post; a4. Insert post; a5. Inclined wall; a6. Cover plate. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0022] A device for testing the rebound of a car safety handle includes: The flipping component 1 includes a rotatable flipping platform 11, which is used by the flipping component 1 to switch the horizontal loading and unloading state to the vertical testing state. The positioning component 2 is installed on the flipping platform 11 and includes two positioning plates 21 and a positioning clamping structure for positioning and clamping the hinge seat a2, and the two positioning plates 21 are arranged in parallel and spaced apart. The lever assembly 3 is mounted on the flipping platform 11 and located between two positioning plates 21. It includes a lever 31 for turning the C-shaped handle a1 so that it rotates relative to the hinge seat a2. The detection component 4 is installed on the flipping platform 11 and corresponds to the C-shaped handle a1. It includes a first detection head 41 and a second detection head 42 arranged opposite to each other and spaced apart. During testing, the lever 31 moves the C-shaped handle a1 to the first detection head 41. When the lever 31 is reset by the lever assembly 3, the C-shaped handle a1 rebounds and resets under the force of the torsion spring and moves toward the second detection head 42. The second detection head 42 detects whether the C-shaped handle a1 has rebounded into place.
[0023] It includes a flipping component 1, a positioning component 2, a lever component 3, and a detection component 4; like Figure 2 and Figure 3The flipping assembly 1 includes a rotatable flipping platform 11, which is used to switch the horizontal loading / unloading state to the vertical testing state. When the flipping platform 11 is in the horizontal state, materials can be loaded or unloaded towards the positioning assembly 2 manually or by a robotic arm. When testing, the flipping platform 11 flips to the vertical testing state, which can simulate the actual use scenario of a car safety handle, making the test results more realistic and accurate. The positioning assembly 2 is installed on the flipping platform 11 and includes two parallel and spaced positioning plates 21 and a positioning clamping structure for positioning and clamping the hinge seat a2. The two positioning plates 21 correspond to the two hinge seats a2 respectively. The lever assembly 3 is installed on the flipping platform 11 and located between the two positioning plates 21. The lever assembly 3 includes a lever 31 for moving the C-shaped handle a1 so that the C-shaped handle a1 rotates relative to the hinge seat a2. The detection assembly 4 is installed on the flipping platform 11 and corresponds to the C-shaped handle a1. The detection assembly 4 includes a first detection head 41 and a second detection head 42 arranged opposite to each other and spaced apart.
[0024] During testing, materials can be loaded onto the positioning assembly 2 manually or by a robotic arm. The positioning clamping structure clamps the hinge seat a2. Then, the flipping platform 11 switches from a horizontal loading / unloading state to a vertical testing state. Next, the lever 31 moves the C-shaped handle a1 onto the first detection head 41. The lever 31 then resets, and the C-shaped handle a1 rebounds under spring force and moves towards the second detection head 42. The second detection head 42 detects whether the C-shaped handle a1 has rebounded to its correct position. If the C-shaped handle a1 rebounds to the second detection head 42 under the action of the torsion spring, the rebound test is passed; otherwise, it is failed. After the test, the flipping platform 11 rotates back to a horizontal state, the positioning clamping structure releases its clamp, and finally, the material is unloaded. This structure uses an automated rebound testing device to replace traditional manual inspection, resulting in more accurate test results and higher testing efficiency.
[0025] like Figure 4 , 6 As shown in Figure 7, the positioning and clamping structure includes a first positioning hole 211 and a second positioning hole 212 provided on the positioning plate 21. The first positioning hole 211 is adapted to the protruding post a3, and the second positioning hole 212 is adapted to the insertion post a4. A pressure plate 22 is slidably installed on the upper side of the positioning plate 21. The end of the pressure plate 22 facing the hinge seat a2 is provided with an inclined pressure surface 221 adapted to the inclined wall surface a5.
[0026] At least one guide rail 23 is installed on the flipping platform 11, and a guide block 24 adapted to the guide rail 23 is installed on the bottom of the positioning plate 21; a limit plate 25 is fixed to the side end of the flipping platform 11, a limit groove 251 is provided on the limit plate 25, and a limit block 213 is provided on the side end of the positioning plate 21. The size of the limit block 213 is smaller than the limit groove 251 and can move within the limit groove 251.
[0027] The flipping platform 11 is equipped with a pressure plate cylinder 26 on one side of the positioning plate 21. The pressure plate cylinder 26 is connected to the pressure plate 22 and is used to drive the pressure plate 22 to move toward the hinge seat a2. When placing the C-shaped handle a1, the protruding post a3 and the insert post a4 are inserted into the first positioning hole 211 and the second positioning hole 212 respectively to ensure initial positioning. Then, the pressure plate 22 is pushed by the pressure plate cylinder 22 to move, so that the inclined pressure surface 221 at the end of the pressure plate 22 is in contact with the inclined wall surface a5 of the hinge seat a2, ensuring the stability of the C-shaped handle a1 and avoiding instability of the C-shaped handle a1 when switching from the horizontal loading and unloading state to the vertical testing state. Then, the guide rail 23, guide slider 24, limit groove 251, limit block 213 and limit plate 25 are used to adjust the distance between a pair of positioning plates 21, thereby adjusting the installation distance of the handrail installation point, checking whether the handrail piece is within the tolerance range, and making adjustment operations convenient.
[0028] like Figure 5 and Figure 8 As shown, the lever assembly 3 also includes a lever seat 32 located between two positioning plates 21 and fixed on the flipping platform 11. Symmetrical and spaced-apart pivot seats 33 are installed on the upper side of the lever seat 32. A lever shaft 34 is rotatably connected between the two pivot seats 33. The lever 31 is fixedly installed on the lever shaft 34 and is L-shaped. A receiving groove 321 for accommodating the lever 31 is provided on one side of the lever seat 32. When the C-shaped handle a1 is in the loading / unloading state, the lever 31 is placed in the receiving groove 321. A first insert 30 is installed on the inner wall of the lever end 31.
[0029] A drive gear 35 is fixedly mounted on the lever shaft 34; a rack groove 322 is provided in the lever seat 32, and a rack 36 is slidably mounted in the lever seat 32, with the rack 36 placed in the rack groove 322; the bottom end of the drive gear 35 extends into the rack groove 322 and meshes with the rack 36; a baffle 37 is fixedly mounted on the end of the rack groove 322 away from the rack 36, and a spring 38 is installed between the baffle 37 and the rack 36; a rack cylinder 39 is mounted on one side of the lever seat 32 of the flipping platform 11, and the rack cylinder 39 is connected to the rack 36.
[0030] When the C-shaped handle a1 is in the loading and unloading state, the first insert 30 and the end of the lever 31 are both located in the receiving groove 321, which will not obstruct the loading and unloading and springback reset of the C-shaped handle a1. When the C-shaped handle a1 is being inspected, the flipping platform 11 is in a vertical state. The rack cylinder 39 is activated, which drives the rack 36 to move. Then, through the meshing of the rack 36 and the drive gear 35, the drive gear 35 is rotated. Since the drive gear 35 is fixedly installed on the lever shaft 34, the lever shaft 34 and the lever 31 are rotated. Then, through the lever 31 and the first insert 30, the C-shaped handle a1 is opened. After opening, the rack 36 is reset under the action of the spring 38, which in turn drives the lever 31 and the first insert 30 to return to their original positions and enter the receiving groove 321. At this time, due to the damper of the C-shaped handle a1, it will slowly reset under the action of the torsion spring force to avoid the influence of the lever 31 and the first insert 30.
[0031] like Figure 9 As shown, the flipping assembly 1 further includes support seats 12 symmetrically and spaced apart on both sides of the flipping platform 11. Connecting ears 13 are symmetrically fixed on both sides of the flipping platform 11, and the connecting ears 13 are rotatably mounted on the corresponding support seats 12. A motor 14 is mounted on one side of the support seat 12 via a fixed seat. A first pulley 15 is mounted on the output end of the motor 14, and a second pulley 16 is mounted on the support seat 12. The first pulley 15 and the second pulley 16 are connected by a synchronous belt 17, and the second pulley 16 is drivenly connected to the connecting ear 13. After the C-shaped handle a1 is loaded, the motor 14 starts and drives the connecting ear 13 and the flipping platform 11 to rotate into a vertical state through the first pulley 15, the second pulley 16 and the synchronous belt 17. The motor 14 is a servo motor with a self-locking mechanism (existing technology) to ensure stability. After the detection technology is completed, the motor 14 starts again and drives the connecting ear 13 and the flipping platform 11 to rotate into a horizontal state through the first pulley 15, the second pulley 16 and the synchronous belt 17, and then the C-shaped handle a1 is unloaded.
[0032] like Figure 6 and Figure 7 As shown, the detection component 4 is disposed between the lever assembly 3 and the positioning plate 21. The first detection head 41 is mounted on the flipping platform 11 through the L-shaped frame 43 and is arranged parallel to the flipping platform 11. The second detection head 42 is mounted on the flipping platform 11 through the fixing plate and is arranged perpendicular to the flipping platform 11. When the C-shaped handle a1 is rotated by the lever 31 assembly 3, it is in the open end after the C-shaped handle a1 touches the first detection head 41. Then, after the C-shaped handle a1 rebounds, the bottom of the C-shaped handle a1 touches the second detection head 42 and is in the rebound end. This can detect whether the rebound is in place and also ensure the reciprocating operation during the next detection.
[0033] like Figure 6 As shown, a limiting seat 6 is installed between the lever assembly 3 and the positioning plate 21. A second insert 61 is installed on the limiting seat 6. When the C-shaped handle a1 is placed, the second insert 61 abuts against the side end of the C-shaped handle a1. The limiting seat 6 and the second insert 61 are the mounting points for the C-shaped handle a1 of the fixture, used to simulate installation and use.
[0034] like Figure 5 As shown, a top rod 5 is installed in the positioning plate 21 through a through groove, and a top rod cylinder 51 is installed at the bottom of the flipping platform 11. The top rod cylinder 51 is drivenly connected to the top rod 5. The top rod 5 is used to lift the top cover plate a6 after the test is qualified so that its locking part is disengaged from the hinge seat a2. During operation, the cover plate a6 is opened after the C-shaped handle a1 has passed the inspection on the testing fixture, making it convenient for the main engine plant's final assembly workshop to install.
[0035] All of the above-mentioned parts are fixed in place by bolts, which is a detachable installation operation.
[0036] Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. A device for testing the rebound of automotive safety handles, characterized in that: include: The flipping assembly (1) includes a rotatable flipping platform (11), which is used by the flipping assembly (1) to switch the horizontal loading and unloading state to the vertical testing state. The positioning component (2) is installed on the flipping platform (11) and includes two positioning plates (21) and a positioning clamping structure for positioning and clamping the hinge seat (a2), and the two positioning plates (21) are arranged in parallel and spaced apart. A lever assembly (3), mounted on the flipping platform (11) and located between two positioning plates (21), includes a lever (31) for turning the C-shaped handle (a1) relative to the hinge seat (a2); The detection component (4) is installed on the flipping platform (11) and corresponds to the C-shaped handle (a1). It includes a first detection head (41) and a second detection head (42) arranged opposite to each other and spaced apart. During the test, the lever (31) moves the C-shaped handle (a1) to the first detection head (41). When the lever (31) is reset by the lever assembly (3), the C-shaped handle (a1) rebounds and resets under the force of the torsion spring and moves toward the second detection head (42). The second detection head (42) detects whether the C-shaped handle (a1) has rebounded into place.
2. The automotive safety handle rebound testing device according to claim 1, characterized in that: The positioning and clamping structure includes a first positioning hole (211) and a second positioning hole (212) provided on the positioning plate (21). The first positioning hole (211) is adapted to the protruding post (a3), and the second positioning hole (212) is adapted to the insertion post (a4). A pressure plate (22) is slidably installed on the upper side of the positioning plate (21). The end of the pressure plate (22) facing the hinge seat (a2) is provided with an inclined pressure surface (221) adapted to the inclined wall surface (a5).
3. The automotive safety handle rebound testing device according to claim 2, characterized in that: At least one guide rail (23) is installed on the flipping platform (11), and a guide block (24) adapted to the guide rail (23) is installed on the bottom of the positioning plate (21); a limit plate (25) is fixed on the side end of the flipping platform (11), a limit groove (251) is provided on the limit plate (25), and a limit block (213) is provided on the side end of the positioning plate (21). The size of the limit block (213) is smaller than that of the limit groove (251) and can move within the limit groove (251).
4. The automotive safety handle rebound testing device according to claim 3, characterized in that: The flipping platform (11) has a pressure plate cylinder (26) installed on one side of the positioning plate (21). The pressure plate cylinder (26) is connected to the pressure plate (22) to drive the pressure plate (22) to move toward the hinge seat (a2).
5. The automotive safety handle rebound testing device according to claim 4, characterized in that: The lever assembly (3) further includes a lever seat (32) located between two positioning plates (21) and fixed on the flipping platform (11). The upper side of the lever seat (32) is symmetrically and spaced apart with rotating shaft seats (33). A lever shaft (34) is rotatably connected between the two rotating shaft seats (33). The lever (31) is fixedly installed on the lever shaft (34) and the lever (31) is L-shaped. A receiving groove (321) for accommodating the lever (31) is provided on one side of the lever seat (32). When the C-shaped handle (a1) is in the loading and unloading state, the lever (31) is placed in the receiving groove (321). A first insert (30) is installed on the inner wall of the lever (31) end.
6. The automotive safety handle rebound testing device according to claim 5, characterized in that: A drive gear (35) is fixedly installed on the lever shaft (34); a rack groove (322) is provided in the lever seat (32), and a rack (36) is slidably installed in the lever seat (32), with the rack (36) placed in the rack groove (322). The bottom end of the drive gear (35) extends into the rack groove (322) and meshes with the rack (36); a baffle (37) is fixedly installed at one end of the rack groove (322) away from the rack (36), and a spring (38) is installed between the baffle (37) and the rack (36); a rack cylinder (39) is installed on one side of the lever seat (32) on the flipping platform (11), and the rack cylinder (39) is connected to the rack (36).
7. The automotive safety handle rebound testing device according to claim 6, characterized in that: The flipping assembly (1) further includes support seats (12) symmetrically and spaced apart on both sides of the flipping platform (11). Connecting ears (13) are symmetrically fixed on both sides of the flipping platform (11), and the connecting ears (13) are rotatably mounted on the corresponding support seats (12). A motor (14) is mounted on one side of the support seat (12) through a fixed seat. A first pulley (15) is mounted on the output end of the motor (14), and a second pulley (16) is mounted on the support seat (12). The first pulley (15) and the second pulley (16) are connected by a synchronous belt (17), and the second pulley (16) is drivenly connected to the connecting ear (13).
8. The automotive safety handle rebound testing device according to claim 7, characterized in that: The detection component (4) is disposed between the lever assembly (3) and the positioning plate (21). The first detection head (41) is mounted on the flipping platform (11) through the L-shaped frame (43). The first detection head (41) is set parallel to the flipping platform (11). The second detection head (42) is mounted on the flipping platform (11) through the fixing plate. The second detection head (42) is set perpendicular to the flipping platform (11).
9. The automotive safety handle rebound testing device according to claim 8, characterized in that: A limiting seat (6) is installed between the lever assembly (3) and the positioning plate (21). A second insert (61) is installed on the limiting seat (6). When the C-shaped handle (a1) is placed, the second insert (61) abuts against the side end of the C-shaped handle (a1).
10. The automotive safety handle rebound testing device according to claim 9, characterized in that: A top rod (5) is installed in the positioning plate (21) through a through groove. A top rod cylinder (51) is installed at the bottom of the flipping platform (11). The top rod cylinder (51) is driven to connect with the top rod (5). The top rod (5) is used to put the top cover plate (a6) on it after the test is qualified so that its locking part is disengaged from the hinge seat (a2).