A detection device for car door handle actuators
By designing a testing device for automotive door handle actuators, automated testing of actuator performance was achieved, solving the problem of low efficiency in manual testing, improving testing stability and production efficiency, and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIZHOU HUACHANG AUTOMOBILE ELECTRIC APPLIANCES CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-02
Smart Images

Figure CN224317719U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of comprehensive testing technology for automotive door handle actuators, specifically a testing device for automotive door handle actuators. Background Technology
[0002] After the welding of the car door handle actuator housing is completed, it is necessary to test the no-load current, the no-load push rod extension and retraction speed, the stall current, and the push rod push force parameter value to ensure that the actuator assembly product is qualified for production.
[0003] To address this, our company analyzed the actual production and assembly of automotive door handle actuators (previously, each step was tested manually) and designed a comprehensive testing device for automotive door handle actuators to perform various performance and functional tests after the actuators are assembled and welded. Utility Model Content
[0004] This utility model provides a testing device for automotive door handle actuators, which aims to quickly test the no-load current, no-load push rod extension and retraction speed, stall current, and push rod extension force parameters of automotive door handle actuators.
[0005] This utility model provides the following technical solution to achieve the above objectives:
[0006] A car door handle actuator detection device includes a worktable with a clamp slidably mounted thereon. The worktable is also equipped with a clamp movement component A, a displacement detection component B, a force detection component C, an automatic insertion / removal component D, and a pressing component E. The pressing component E includes a vertically movable pressure block 23. The automatic insertion / removal component D includes a movable connector. The force detection component C includes a movable push rod. The displacement detection component B includes a displacement sensor 44. The clamp movement component A adjusts the position of the clamp.
[0007] When testing with integrated testing equipment, the actuator is manually fixed to the fixture. Fixture motion component A moves the fixture to the designated position, and pressing component E moves downward to press the actuator in place. The automatic insertion and removal component inserts the connector into the power socket, energizing the actuator and causing it to move internally. The push rod extends and retracts to complete the detection of various parameters under no-load conditions. After the no-load test is completed, force detection component C pushes the push rod to the critical contact position directly in front of the push rod, and the push rod extends to perform force detection. After the force detection is completed, fixture motion component A moves the fixture to the critical contact position of displacement detection component B, and the push rod extends to perform actuator displacement speed detection. After the displacement speed detection is completed, pressing component E rises, fixture motion component A extends the fixture, and the actuator is manually removed, completing the integrated testing of one actuator.
[0008] In the aforementioned comprehensive testing equipment for automotive door handle actuators, the workbench is provided with two guide rails, a slider is provided on the guide rails, a sliding base plate is provided on the slider, and a clamp is provided on the sliding base plate.
[0009] In the aforementioned comprehensive testing equipment for automotive door handle actuators, the clamping motion assembly A includes a cylinder mounting plate one fixed to the workbench. A forward and backward moving cylinder is installed in the cylinder mounting plate one. The front end of the forward and backward moving cylinder is connected to a cylinder connector three. The cylinder connector three is connected to a cylinder connecting plate one. The cylinder connecting plate one is connected to a slider mounting plate three. The bottom of the slider mounting plate three is connected to a slider four, which is mounted on a guide rail one. A cylinder mounting plate two is installed on the slider mounting plate three. A displacement cylinder is installed in the cylinder mounting plate two. The front end of the displacement cylinder is connected to a cylinder connector four. The cylinder connector four is connected to a cylinder connecting bend plate two. The cylinder connecting bend plate two is connected to a mounting groove three located on the left side of the sliding base plate. A buffer seat fixed to the workbench is located next to the cylinder connecting plate one. A buffer two is installed on the buffer seat.
[0010] In the aforementioned comprehensive testing equipment for automotive door handle actuators, the automatic insertion and removal assembly D includes a cylinder mounting plate two connected to a mounting groove two located on the lower side of the sliding base plate. The cylinder mounting plate two is connected to an insertion and removal cylinder. A speed regulating valve three is provided on the insertion and removal cylinder. A connector sleeve is connected to the front end of the insertion and removal cylinder. A connector and a connector pin are provided on the connector sleeve.
[0011] In the aforementioned comprehensive testing equipment for automotive door handle actuators, the pressing component E includes a cylinder connecting plate 1 connected to a mounting groove 1 on the right side of the sliding base plate. A cylinder connecting head 2 is located on the front side of the cylinder connecting plate 1, and a buffer 1 is located on the rear side. The buffer 1 is connected to the front end of the pressing mechanism's forward and backward moving cylinder. The pressing mechanism's forward and backward moving cylinder is equipped with a speed control valve 1, a speed control valve 2, and a sensor switch. The pressing mechanism's forward and backward moving cylinder is connected to the cylinder mounting plate 1, which is connected to a slider mounting plate 1. The bottom of the slider mounting plate 1 is connected to a slider 2, which is mounted on a guide rail 1. The top of the slider mounting plate 1 is connected to a vertical plate, which is connected to the top of the vertical plate. The cylinder mounting plate 1 is connected to the cylinder mounting plate 2, which is connected to a vertical moving cylinder. The bottom of the vertical moving cylinder is connected to a pressure block. The vertical moving cylinder has an upper limit position, and the cylinder mounting plate 2 has a lower limit position.
[0012] In the aforementioned comprehensive testing equipment for automotive door handle actuators, the force detection component C includes a guide rail two mounted on a workbench and a cylinder mounting seat fixed to the workbench by mounting pins. A slider three is mounted on the guide rail two, a slider mounting plate two is mounted on the slider three, a thrust mounting plate is mounted on the slider mounting plate two, a force sensor is mounted on the front side of the thrust mounting plate, and a push rod is mounted on the front side of the force sensor. A cylinder connector one is connected to the rear side of the thrust mounting plate, and the cylinder connector one is connected to left and right cylinders mounted on the cylinder mounting seat. A speed regulating valve four is mounted on the left and right cylinders.
[0013] In the aforementioned comprehensive testing equipment for automotive door handle actuators, the displacement detection component B includes a cylinder mounting plate four set on a workbench, a movable cylinder set on the cylinder mounting plate four, a speed regulating valve five set on the movable cylinder, the front end of the movable cylinder connected to the cylinder mounting plate, and a displacement sensor set on the cylinder mounting plate.
[0014] Beneficial effects
[0015] The comprehensive testing device for automotive door handle actuators provided by this utility model can move the actuator to a designated position through the clamping motion component. With the help of the pressing component, automatic insertion and removal component, force detection component, displacement detection component and other structures, it can quickly detect the no-load current, no-load push rod ejection and retraction speed, stall current test and push rod ejection force parameter value.
[0016] This invention can improve production efficiency and ensure product quality, reduce production costs, provide a foundation for automated assembly line operations, and also features high interchangeability, reasonable structure, good stability, and easy installation and maintenance.
[0017] Compared to the original manual inspection, this utility model can realize automated inspection, which significantly improves production efficiency and greatly improves the stability and accuracy of inspection. The original manual inspection of a single piece took 50 seconds, while the equipment inspection of a single piece takes 25 seconds, which is a 50% improvement in time efficiency. The output efficiency is also improved, with an increase of 0.02 pieces / second in output per unit time, doubling the output per unit time. Attached Figure Description
[0018] Appendix Figure 1 A schematic diagram of a certain model of door handle actuator;
[0019] Appendix Figure 2 This is a schematic diagram of the fixture;
[0020] Appendix Figure 3 This is a perspective view of the overall structure of the device of this utility model;
[0021] Appendix Figure 4 This is a top view of the overall structure of the device of this utility model;
[0022] Appendix Figure 5 This is a schematic diagram of the fixture installation.
[0023] Appendix Figure 6 This is a schematic diagram of the downward pressure component E;
[0024] Appendix Figure 7 Schematic diagram of automatic plug-in / plug-out component D;
[0025] Appendix Figure 8 This is a schematic diagram of the force detection component C;
[0026] Appendix Figure 9 This is a schematic diagram of displacement detection component B;
[0027] Appendix Figure 10 This is a schematic diagram of the clamping motion component A;
[0028] Appendix Figure 11 Structural view of the sliding base plate Figure 1 ;
[0029] Appendix Figure 12 Structural view of the sliding base plate Figure 2 ;
[0030] The reference numerals in each of the attached figures are as follows:
[0031] Appendix Figure 1 1-Push rod, 2-Power socket, 31-Connector;
[0032] Appendix Figure 2 :3-Clamp;
[0033] Appendix Figure 3 :4-Workbench;
[0034] Appendix Figure 5 5-Guide rail one, 6-Sliding base plate, 7-Slider one;
[0035] Appendix Figure 6 8-Up and down moving cylinder, 9-Cylinder mounting plate II, 10-Speed control valve I, 11-Cylinder mounting plate I, 12-Reinforcing rib II, 13-Cylinder mounting bend plate I, 14-Speed control valve II, 15-Inductive switch, 16-Pressing mechanism forward and backward moving cylinder, 17-Buffer I, 18-Cylinder connector II, 19-Cylinder connecting bend plate I, 20-Slider II, 21-Slider mounting plate I, 22-Upright plate, 23-Pressure block, 24-Reinforcing rib I, 25-Lower limit, 26-Upper limit;
[0036] Appendix Figure 7 27-Connector sleeve, 28-Speed control valve III, 29-Plug-in cylinder, 30-Cylinder mounting bend plate II, 31-Connector, 32-Connector pin;
[0037] Appendix Figure 8 33-Speed control valve four, 34-Left and right cylinders, 35-Cylinder mounting seat, 36-Mounting pin, 37-Slider mounting plate two, 38-Slider three, 39-Guide rail two, 40-Push rod, 41-Force sensor, 42-Thrust mounting plate, 43-Cylinder connector one;
[0038] Appendix Figure 9 : 44-Displacement sensor, 45-Moving cylinder, 46-Speed control valve, 47-Cylinder mounting plate, 48-Cylinder mounting plate;
[0039] Appendix Figure 10 : 49-Front and rear moving cylinder, 50-Cylinder mounting plate one, 51-Slider four, 52-Cylinder connector three, 53-Buffer seat, 54-Buffer two, 55-Cylinder connecting plate one, 56-Shifting cylinder, 57-Slider mounting plate three, 58-Cylinder mounting plate two, 59-Cylinder connector four, 60-Cylinder connecting bent plate two;
[0040] Appendix Figure 11 :61-Mounting slot one;
[0041] Appendix Figure 12 62 - Mounting slot 2, 63 - Mounting slot 3. Detailed Implementation
[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0043] Example: A detection device for an automotive door handle actuator, used for attaching... Figure 1 Comprehensive testing of the door handle actuator shown; structural reference. Figure 2-12 As shown, the device includes a worktable 4, on which a clamp 3 is slidably mounted, and on which are installed a clamp motion component A, a displacement detection component B, a force detection component C, an automatic insertion / removal component D, and a pressing component E. The relative arrangement of each component is as follows: Figure 3-4 As shown; further, the key components and functions of each component are as follows: the pressing component E includes a pressing block 23 that is movable up and down; the automatic insertion and removal component D includes a connector 31 that is movable; the force detection component C includes a push rod 40 that is movable; the displacement detection component B includes a displacement sensor 44; and the clamp movement component A adjusts the position of the clamp 3.
[0044] When performing testing using the aforementioned comprehensive testing equipment, the actuator is manually fixed onto the fixture 3. The fixture motion component A moves the fixture 3 to the designated position, the pressing component E moves downward to press the actuator in place, and the automatic insertion / removal component inserts the connector 31 into the power socket 2. The actuator is then powered on and moves, and the push rod 1 extends and retracts to complete the testing of various parameters under no-load conditions. After the no-load test is completed, the force value detection component C pushes the top rod 40 to the critical contact position directly in front of the push rod 1, and the push rod 1 is pushed out to perform force value testing. After the force value test is completed, the fixture motion component A moves the fixture 3 to the critical contact position of the displacement detection component B, and the push rod 1 is pushed out to perform actuator displacement speed testing. After the displacement speed test is completed, the pressing component E rises, the fixture motion component A pushes out the fixture 3, and the actuator is manually removed, completing the comprehensive testing of one actuator.
[0045] The worktable 4 is provided with two guide rails 5, a slider 7 is provided on the guide rails 5, a sliding base plate 6 is provided on the slider 7, and a clamp 3 is provided on the sliding base plate 6. The sliding base plate 6 is moved on the guide rails 5 by the clamp motion component A, so as to adjust the position of the clamp 3 and the actuator on it.
[0046] The fixture motion assembly A includes a cylinder mounting plate 50 fixed on the worktable 4. A forward / backward moving cylinder 49 is installed in the cylinder mounting plate 50. The front end of the forward / backward moving cylinder 49 is connected to a cylinder connector 52. The cylinder connector 52 is connected to a cylinder connecting plate 55. The cylinder connecting plate 55 is connected to a slider mounting plate 57. The bottom of the slider mounting plate 57 is connected to a slider 51, which is mounted on a guide rail 5. A cylinder mounting plate 58 is installed on the slider mounting plate 57. A displacement cylinder 56 is installed in the cylinder mounting plate 58. The front end of the displacement cylinder 56 is connected to a cylinder connector 59. The cylinder connector 59 is connected to a cylinder connecting bend plate 60. The cylinder connecting bend plate 60 is connected to a mounting groove 63 located on the left side of the sliding base plate 6. A buffer seat 53 fixed on the worktable 4 is located next to the cylinder connecting plate 55. A buffer seat 54 is installed on the buffer seat 53. In the fixture motion assembly A, the forward and backward moving cylinder 49 can drive the slider mounting plate 3 57 and its connecting parts (cylinder connecting plate 1 55, slider mounting plate 3 57, etc.) to slide on the guide rail 1 5 via the slider 4 51. The buffer 2 54 serves to buffer the effect of the forward and backward moving cylinder 49. The shifting cylinder 56 can drive the sliding base plate 6 and the slider 1 7 to move on the guide rail 1 5 through the transmission of the cylinder connector 4 59 and the cylinder connecting bent plate 2 60. Therefore, the fixture motion assembly A moves the fixture 3 to the predetermined position.
[0047] The pressing assembly E includes a cylinder connecting plate 19 connected to a mounting groove 61 on the right side of the sliding base plate 6. A cylinder connector 18 is located at the front of the cylinder connecting plate 19, and a buffer 17 is located at the rear. The buffer 17 is connected to the front end of the pressing mechanism's forward and backward moving cylinder 16. The pressing mechanism's forward and backward moving cylinder 16 is equipped with a speed regulating valve 10, a speed regulating valve 14, and a sensor switch 15. The pressing mechanism's forward and backward moving cylinder 16 is connected to a cylinder mounting plate 13. A slider mounting plate 21 is connected to a slide block 13. The bottom of slide block 21 is connected to a second slide block 20, which is mounted on a guide rail 5. A vertical plate 22 is connected to the top of slide block 21. A cylinder mounting plate 11 is connected to a second cylinder mounting plate 9, which is connected to a vertical moving cylinder 8. A pressure block 23 is connected to the bottom of the vertical moving cylinder 8. An upper limit position 26 is provided on the vertical moving cylinder 8, and a lower limit position 25 is provided on the cylinder mounting plate 9. In the fixture motion assembly A, the forward and backward moving cylinder 16 of the pressing mechanism can adjust the forward and backward position of the vertical plate 22 and its connected components. After adjusting to a suitable position, the vertical moving cylinder 8 can adjust the vertical position of the pressure block 23, thereby precisely pressing down the actuator and fixing its position. The upper limit position 26 and the lower limit position 25 limit the vertical adjustment stroke of the vertical moving cylinder 8.
[0048] The automatic insertion / removal assembly D includes a cylinder mounting bend plate 30 connected to a mounting groove 62 located on the lower side of the sliding base plate 6. The cylinder mounting bend plate 30 is connected to an insertion / removal cylinder 29. The insertion / removal cylinder 29 is equipped with a speed regulating valve 28. The front end of the insertion / removal cylinder 29 is connected to a connector sleeve 27. The connector sleeve 27 is equipped with a connector 31 and a connector pin 32. After the actuator is fixed by the pressing assembly E, the power socket 2 and the connector 31 are aligned. In the automatic insertion / removal assembly D, the connector 31 is inserted and removed by the extension and retraction of the insertion / removal cylinder 29. The insertion and removal of the connector 31 into and out of the power socket 2 realizes the power-on and power-off operation of the actuator. After power is applied, the push rod 1 extends and retracts to complete the detection of various parameters under no-load conditions.
[0049] The force detection component C includes a second guide rail 39 mounted on the workbench 4 and a cylinder mounting seat 35 mounted and fixed on the workbench 4 by mounting pins 36. A third slider 38 is mounted on the second guide rail 39, a second slider mounting plate 37 is mounted on the third slider 38, a thrust mounting plate 42 is mounted on the second slider mounting plate 37, a force sensor 41 is mounted on the front side of the thrust mounting plate 42, and a push rod 40 is mounted on the front side of the force sensor 41. A first cylinder connector 43 is connected to the rear side of the thrust mounting plate 42, and the first cylinder connector 43 is connected to left and right cylinders 34 mounted on the cylinder mounting seat 35. A fourth speed regulating valve 33 is mounted on the left and right cylinders 34. In the force detection component C, the slider 38 and the components connected to it can slide on the guide rail 39 by extending and retracting the left and right cylinders 34, which can move the push rod 40 to the critical contact position of the actuator push rod 1. After the push rod 40 is pushed to the critical contact position directly in front of the push rod 1, the push rod 1 is pushed out and acts on the push rod 40, and the force can be detected by the force sensor 41.
[0050] The displacement detection component B includes a cylinder mounting plate 47 mounted on the worktable 4, a movable cylinder 45 mounted on the cylinder mounting plate 47, a speed regulating valve 46 mounted on the movable cylinder 45, and a cylinder mounting plate 48 connected to the front end of the movable cylinder 45. A displacement sensor 44 is mounted on the cylinder mounting plate 48. After force detection, the clamp 3 is moved to a critical contact position of the displacement detection component B by the clamp movement component A. Similar to the working principle of the force detection component C, in the displacement detection component B, the displacement sensor 44 can be pushed to a contact position in front of the push rod 1 by the movable cylinder 45; after moving to this position, the actuator push rod 1 is pushed out, and the actuator displacement speed can be detected.
[0051] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A detection device for an automotive door handle actuator, characterized in that: The device includes a worktable (4), on which a clamp (3) is slidably mounted. The worktable (4) is equipped with a clamp motion assembly A, a displacement detection assembly B, a force detection assembly C, an automatic insertion and removal assembly D, and a pressing assembly E. The pressing assembly E includes a pressing block (23) that is movably mounted up and down. The automatic insertion and removal assembly D includes a connector (31) that is movably mounted. The force detection assembly C includes a push rod (40) that is movably mounted. The displacement detection assembly B includes a displacement sensor (44). The clamp motion assembly A adjusts the position of the clamp (3).
2. The automotive door handle actuator detection device according to claim 1, characterized in that: The workbench (4) is provided with two guide rails (5), a slider (7) is provided on the guide rails (5), a sliding base plate (6) is provided on the slider (7), and a clamp (3) is provided on the sliding base plate (6).
3. The automotive door handle actuator detection device according to claim 2, characterized in that: The clamping motion assembly A includes a cylinder mounting plate (50) fixed on the worktable (4), a front-to-back moving cylinder (49) is provided in the cylinder mounting plate (50), the front end of the front-to-back moving cylinder (49) is connected to a cylinder connector head (52), the cylinder connector head (52) is connected to a cylinder connecting plate (55), the cylinder connecting plate (55) is connected to a slider mounting plate (57), the bottom of the slider mounting plate (57) is connected to a slider (51), the slider (51) is set on a guide rail (5); the slider mounting plate (57) A cylinder mounting plate two (58) is provided on the cylinder mounting plate two (58), a displacement cylinder (56) is installed in the cylinder mounting plate two (58), the front end of the displacement cylinder (56) is connected to the cylinder connector four (59), the cylinder connector four (59) is connected to the cylinder connecting bend plate two (60), the cylinder connecting bend plate two (60) is connected to the mounting groove three (63) provided on the left side of the sliding base plate (6); a buffer seat (53) fixed on the worktable (4) is provided next to the cylinder connecting plate one (55), and a buffer two (54) is provided on the buffer seat (53).
4. The automotive door handle actuator detection device according to claim 2, characterized in that: The automatic insertion and removal assembly D includes a cylinder mounting bend plate 2 (30) connected to a mounting groove 2 (62) located on the lower side of the sliding base plate (6). The cylinder mounting bend plate 2 (30) is connected to an insertion and removal cylinder (29). A speed regulating valve 3 (28) is provided on the insertion and removal cylinder (29). A connector sleeve (27) is connected to the front end of the insertion and removal cylinder (29). A connector (31) and a connector pin (32) are provided on the connector sleeve (27).
5. The automotive door handle actuator detection device according to claim 2, characterized in that: The pressing assembly E includes a cylinder connecting plate 1 (19) connected to a mounting groove 1 (61) on the right side of the sliding base plate (6). A cylinder connector 2 (18) is provided on the front side of the cylinder connecting plate 1 (19), and a buffer 1 (17) is provided on the rear side. The buffer 1 (17) is connected to the front end of the pressing mechanism forward and backward moving cylinder (16). The pressing mechanism forward and backward moving cylinder (16) is provided with a speed regulating valve 1 (10), a speed regulating valve 2 (14), and a sensor switch (15). The pressing mechanism forward and backward moving cylinder (16) is connected to a cylinder mounting plate 1 (13). The cylinder mounting plate 1 (13) is connected to... Connect slider mounting plate one (21), slider mounting plate one (21) bottom connects slider two (20), slider two (20) is set on guide rail one (5), slider mounting plate one (21) top connects to upright plate (22), upright plate (22) top connects to cylinder mounting plate one (11), cylinder mounting plate one (11) connects to cylinder mounting plate two (9), cylinder mounting plate two (9) connects to up and down moving cylinder (8), the bottom of up and down moving cylinder (8) is connected to pressure block (23); the up and down moving cylinder (8) is provided with upper limit position (26), and the cylinder mounting plate two (9) is provided with lower limit position (25).
6. The automotive door handle actuator detection device according to claim 2, characterized in that: The force detection component C includes a guide rail 2 (39) set on the workbench (4) and a cylinder mounting seat (35) fixed on the workbench (4) by a mounting pin (36). A slider 3 (38) is set on the guide rail 2 (39), a slider mounting plate 2 (37) is set on the slider 3 (38), a thrust mounting plate (42) is set on the slider mounting plate 2 (37), a force sensor (41) is set on the front side of the thrust mounting plate (42), and a push rod (40) is set on the front side of the force sensor (41). The rear side of the thrust mounting plate (42) is connected to a cylinder connector 1 (43), and the cylinder connector 1 (43) is connected to a left and right cylinder (34) set on the cylinder mounting seat (35). A speed regulating valve 4 (33) is set on the left and right cylinders (34).
7. The automotive door handle actuator detection device according to claim 2, characterized in that: The displacement detection component B includes a cylinder mounting plate four (47) set on the workbench (4), a movable cylinder (45) is set on the cylinder mounting plate four (47), a speed regulating valve five (46) is set on the movable cylinder (45), the front end of the movable cylinder (45) is connected to the cylinder mounting plate (48), and a displacement sensor (44) is set on the cylinder mounting plate (48).