A detection device for car door locks

Abstract

This invention discloses a testing device for automotive door locks, belonging to the technical field of testing devices. It includes a support component and a support platform. A visual inspection component is fixed to the top of the support platform, and a support rod is fixed to the top of the support platform. A shaped extrusion ring is fixed to one side of the support rod. The beneficial effects of this invention are that, through the collaborative design of the support component and the testing component, it effectively solves the obvious defects of cumbersome multi-device testing and the inability to automatically terminate testing for defective products. It not only achieves integrated multi-dimensional testing functions, simplifying the testing process to improve efficiency, but also overcomes functional deficiencies from both the perspectives of testing integration and automated control. This reduces operational complexity, improves testing efficiency, and enhances the efficiency and intelligence level of the automotive door lock testing device through intelligent control processes, providing key technical support for the optimization and upgrading of automotive component testing processes.

Description

Technical Field

[0001] This invention relates to the field of detection device technology, and in particular to a detection device for automobile door locks. Background Technology

[0002] In the production and maintenance of car door locks, it is often necessary to use testing devices for car door locks to monitor key performance aspects such as the locking status and opening sensitivity of the door lock in real time, so as to avoid safety hazards caused by door lock failures, thereby affecting driving safety and user experience.

[0003] Existing testing devices for car door locks have significant deficiencies in testing integration and automated control. They typically rely on multiple testing devices for separate testing, resulting in a cumbersome testing process. Furthermore, they cannot automatically terminate testing when defective products are found. This design not only reduces testing efficiency and increases operational complexity but may also lead to resource waste due to continuous ineffective testing. The lack of integrated testing functions and automated termination control in these devices restricts the efficiency and intelligence of car door lock testing devices. Summary of the Invention

[0004] In view of the problems existing in the above-mentioned detection devices applied to automobile door locks, the present invention is proposed.

[0005] Therefore, the problem that this invention aims to solve is that the detection steps are cumbersome, requiring each step to be performed separately, and the detection cannot be automatically terminated when a non-compliance is detected.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a detection device for automobile door locks, comprising a bearing assembly including a support platform, a visual inspection component fixed to the top of the support platform, a support rod fixed to the top of the support platform, and a shaped extrusion ring fixed to one side of the support rod; and,

[0007] A detection component, disposed on top of a support component, includes a locking force detection element fixed to the top of a support platform. A driving element is fixed to the bottom of the support platform. A limiting element is movably connected to the top of the driving element. A sealing detection element is disposed on the top of the limiting element. A pneumatic drive element is disposed at the bottom of the sealing detection element. The pneumatic drive element is fixed to the top of the support platform. The sealing detection element is fixed to the inner wall of the support platform. A synchronous drive element is fixed to the surface of the locking force detection element.

[0008] As a preferred embodiment of the detection device for automobile door locks described in this invention, the locking force detection component includes a fixing ring fixed to the top of the support platform, an irregularly shaped sliding rod slidably connected to the inner wall of the fixing ring, a contact block fixed to one side of the irregularly shaped sliding rod, a return spring sleeved on the surface of the irregularly shaped sliding rod, and a limiting ring sleeved on the surface of the irregularly shaped sliding rod.

[0009] As a preferred embodiment of the detection device for automobile door locks described in this invention, the reset spring is fixed to one side of the fixed ring and the limiting ring respectively, the locking force detection component further includes a support column fixed to the top of the support platform, the top of the support column is fixed with a scale plate, and the irregular sliding rod is slidably connected to the top of the scale plate.

[0010] As a preferred embodiment of the detection device for automobile door locks described in this invention, the driving component includes a drive motor fixed to the bottom of a support platform, a drive shaft fixed to the output end of the drive motor, a rotating disk sleeved on the surface of the drive shaft, a plug-in seat fixed to the bottom of the rotating disk, a first gear sleeved on the drive shaft, and transmission teeth fixed to the surface of the rotating disk.

[0011] As a preferred embodiment of the detection device for automobile door locks described in this invention, a first insertion groove is provided on one side of the insertion base, and a second insertion groove is provided on the surface of the insertion base to cooperate with the irregular sliding rod.

[0012] As a preferred embodiment of the detection device for automotive door locks described in this invention, the sealing detection component includes a threaded cylinder fixed to the inner wall of a support platform, a second gear sleeved on the surface of the threaded cylinder, a threaded rod threadedly connected to the inner wall of the threaded cylinder, a telescopic rod fixed to the top of the threaded rod, a receiving tube sleeved on the surface of the telescopic rod, the receiving tube fixed to the top of the support platform, and a pressing plate fixed to the bottom of the threaded rod.

[0013] As a preferred embodiment of the detection device for automotive door locks described in this invention, wherein: an elastic airbag is fixed to the inner wall of the threaded cylinder, an air supply hose is fixed to the bottom of the elastic airbag, a sealing shell is fixed to one side of the air supply hose, a connecting plate is fixed to one side of the sealing shell, a connecting bearing is fixed to the inner wall of the connecting plate, the connecting bearing is sleeved on the surface of the threaded rod, a guide block is fixed to the inner ring of the connecting bearing, and a guide groove that mates with the guide block is formed on the surface of the threaded rod.

[0014] As a preferred embodiment of the detection device for automotive door locks described in this invention, the pneumatic drive component includes an airtight connecting shell fixed to one side of the sealing shell, a double-ended piston rod slidably connected to the inner wall of the airtight connecting shell, a sealing tube slidably sleeved on the surface of the double-ended piston rod, a single-ended piston rod slidably connected to the inner wall of the sealing tube, a movable plate fixed to one side of the single-ended piston rod, and a plug-in block that mates with the first plug-in slot fixed to one side of the movable plate.

[0015] As a preferred embodiment of the detection device for automotive door locks described in this invention, the limiting member includes a placement plate disposed on the top of the drive shaft, a damping sleeve rod cooperating with the drive shaft fixed at the bottom of the placement plate, a sliding vertical rod slidably connected to the inner wall of the placement plate, a pressure spring sleeved on the surface of the sliding vertical rod, a compression block cooperating with a shaped compression ring fixed on one side of the sliding vertical rod, a limiting block fixed at the bottom of the sliding vertical rod, and a limiting buckle fixed at the top of the sliding vertical rod.

[0016] As a preferred embodiment of the detection device for automobile door locks described in this invention, the synchronous transmission component includes a first connecting plate fixed to one side of the irregular sliding rod, a transmission rod fixed to one side of the first connecting plate, a second connecting plate fixed to one side of the transmission rod, and an arc gear cooperating with the first gear fixed to one side of the second connecting plate.

[0017] The beneficial effects of this invention are as follows: By integrating a multi-functional detection module and a synchronous termination system, it effectively solves the obvious defects of cumbersome multi-device detection and the inability to automatically terminate defective products. It not only achieves the integrated integration of multi-dimensional detection functions and simplifies the detection process to improve efficiency, but also breaks through functional deficiencies from the dual levels of detection integration and automated control. It reduces operational complexity and improves detection efficiency, and enhances the efficiency and intelligence level of the automotive door lock detection device through intelligent control processes, providing key technical support for the optimization and upgrading of automotive component detection processes. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural diagram of a detection device used in automobile door locks.

[0020] Figure 2 This is a structural diagram of the drive component used in a detection device for automotive door locks.

[0021] Figure 3 This is a structural diagram of a sealing detection component used in a testing device for automotive door locks.

[0022] Figure 4 This is a structural diagram of the pneumatic drive component used in a detection device for automotive door locks.

[0023] Figure 5 This is a structural diagram of the locking force detection component and the synchronous rotation component used in a detection device for automotive door locks.

[0024] Figure 6 This is a bottom view of the limiting component of a detection device used in automotive door locks.

[0025] Figure 7 Another perspective view of the sealing test component used in a testing device for automotive door locks.

[0026] Figure 8 Another perspective view of the sealing test component used in a testing device for automotive door locks.

[0027] Figure 9 For use in automotive door lock testing devices Figure 2 A magnified view of A in the middle.

[0028] Figure 10 This is a bottom view of the detection device used in car door locks.

[0029] Figure 11 This is a cross-sectional view of the sealing detection component used in a testing device for automotive door locks.

[0030] In the diagram: 1. Bearing component; 11. Support platform; 12. Vision inspection component; 13. Irregularly shaped extrusion ring; 14. Support rod; 2. Inspection component; 21. Locking force detection component; 21-1. Fixing ring; 21-2. Return spring; 21-3. Limiting ring; 21-4. Scale plate; 21-5. Support column; 21-6. Irregularly shaped sliding rod; 21-7. Contact block; 22. Driving component; 22-1. Drive motor; 22-2. Rotating disk; 22-3. First gear; 22-4. Drive shaft; 22-5. Plug-in socket; 22-6. First plug-in slot; 22-7. Second plug-in slot; 22-8. Transmission gear; 23. Sealing inspection component; 23-1. Threaded cylinder; 23-2. Second gear; 23-3. Air supply hose; 23-4. Receiving tube; 23-5. Connecting bearing; 2 3-6, Telescopic rod; 23-7, Threaded rod; 23-8, Elastic airbag; 23-9, Connecting plate; 23-10, Sealing shell; 23-11, Guide block; 23-12, Guide groove; 23-13, Extrusion plate; 24, Pneumatic drive component; 24-1, Airtight connecting shell; 24-2, Double-headed piston rod; 24-3, Sealing tube; 24-4, Single-headed piston rod; 24-5, Movable plate; 24-6, Insertion block; 25, Limiting component; 25-1, Placement tray; 25-2, Damping sleeve rod; 25-3, Limiting fastener; 25-4, Pressure spring; 25-5, Sliding vertical rod; 25-6, Extrusion block; 25-7, Limiting block; 26, Synchronous drive component; 26-1, First connecting plate; 26-2, Drive rod; 26-3, Second connecting plate; 26-4, Arc gear. Detailed Implementation

[0031] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0034] Example 1

[0035] Reference Figure 1 and Figure 2This is the first embodiment of the present invention. This embodiment provides a detection device for automobile door locks. The detection device for automobile door locks includes a carrier component 1 and a detection component 2.

[0036] By coordinating the design of the load-bearing component 1 and the detection component 2, the obvious defects of cumbersome multi-device detection and the inability to automatically terminate the detection of defective products are effectively solved. It not only realizes the integrated integration of multi-dimensional detection functions and simplifies the detection process to improve efficiency, but also breaks through the functional deficiencies from the dual levels of detection integration and automated control. It reduces the complexity of operation and improves the detection efficiency, while also improving the efficiency and intelligence level of the automotive door lock detection device through intelligent control process, providing key technical support for the optimization and upgrading of automotive parts detection technology.

[0037] Specifically, the supporting component 1 includes a support platform 11, a visual inspection component 12 fixed to the top of the support platform 11, a support rod 14 fixed to the top of the support platform 11, and a shaped extrusion ring 13 fixed to one side of the support rod 14.

[0038] Specifically, the detection component 2 is located on top of the bearing component 1 and includes a locking force detection component 21 fixed to the top of the support platform 11. A driving component 22 is fixed to the bottom of the support platform 11. A limiting component 25 is movably connected to the top of the driving component 22. A sealing detection component 23 is provided on the top of the limiting component 25. A pneumatic drive component 24 is provided at the bottom of the sealing detection component 23. The pneumatic drive component 24 is fixed to the top of the support platform 11. The sealing detection component 23 is fixed to the inner wall of the support platform 11. A synchronous drive component 26 is fixed to the surface of the locking force detection component 21.

[0039] Example 2

[0040] Reference Figures 2-6 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0041] Specifically, the locking force detection component 21 includes a fixing ring 21-1 fixed to the top of the support platform 11, a shaped sliding rod 21-6 slidably connected to the inner wall of the fixing ring 21-1, a contact block 21-7 fixed to one side of the shaped sliding rod 21-6, a return spring 21-2 sleeved on the surface of the shaped sliding rod 21-6, and a limiting ring 21-3 sleeved on the surface of the shaped sliding rod 21-6.

[0042] The fixed ring 21-1 provides sliding guidance for the irregular sliding rod 21-6, the contact block 21-7 is used to contact the detection target, and the reset spring 21-2 provides reset force for the irregular sliding rod 21-6 through the limiting ring 21-3. During detection, the irregular sliding rod 21-6 slides under force, and the magnitude of the locking force is reflected by the displacement. The structure is simple and the detection is intuitive.

[0043] Specifically, the reset spring 21-2 is fixed to one side of the fixing ring 21-1 and the limiting ring 21-3 respectively. The locking force detection component 21 also includes a support column 21-5 fixed to the top of the support platform 11. A scale plate 21-4 is fixed to the top of the support column 21-5, and the irregular sliding rod 21-6 is slidably connected to the top of the scale plate 21-4.

[0044] The two ends of the return spring 21-2 are fixed to ensure the stability of the elastic force. The support column 21-5 fixes the scale plate 21-4. When the irregular sliding rod 21-6 slides along the scale plate 21-4, the displacement can be read intuitively through the scale, realizing the quantitative detection of the locking force and improving the detection accuracy.

[0045] Specifically, the driving component 22 includes a drive motor 22-1 fixed to the bottom of the support platform 11. The output end of the drive motor 22-1 is fixed with a drive shaft 22-4. A rotating disk 22-2 is sleeved on the surface of the drive shaft 22-4. A plug-in seat 22-5 is fixed to the bottom of the rotating disk 22-2. A first gear 22-3 is sleeved on the drive shaft 22-4. A transmission gear 22-8 is fixed on the surface of the rotating disk 22-2.

[0046] The drive motor 22-1 drives the rotating disk 22-2 to rotate through the drive shaft 22-4. The plug-in socket 22-5 is used to connect external components. The first gear 22-3 and the transmission gear 22-8 realize the power split transmission, so that the drive component 22 can drive multiple components to move at the same time, thereby improving the power utilization efficiency.

[0047] Specifically, a first insertion groove 22-6 is provided on one side of the insertion base 22-5, and a second insertion groove 22-7 is provided on the surface of the insertion base 22-5 to cooperate with the irregular sliding rod 21-6.

[0048] The first insertion slot 22-6 is used to cooperate with the insertion block of the pneumatic drive component 24 to realize automatic locking when a fault is detected; the second insertion slot 22-7 cooperates with the irregular sliding rod 21-6 to realize automatic start when the test is qualified.

[0049] Specifically, the sealing test component 23 includes a threaded cylinder 23-1 fixed to the inner wall of the support platform 11. A second gear 23-2 is sleeved on the surface of the threaded cylinder 23-1. A threaded rod 23-7 is threadedly connected to the inner wall of the threaded cylinder 23-1. A telescopic rod 23-6 is fixed to the top of the threaded rod 23-7. A receiving tube 23-4 is sleeved on the surface of the telescopic rod 23-6. The receiving tube 23-4 is fixed to the top of the support platform 11. A pressing plate 23-13 is fixed to the bottom of the threaded rod 23-7.

[0050] The second gear 23-2 drives the threaded cylinder 23-1 to rotate, causing the threaded rod 23-7 to move axially. The telescopic rod 23-6 extends and retracts within the receiving tube 23-4, restricting the rotation of the threaded rod 23-7 and ensuring that it only moves axially. This provides a stable displacement drive for seal testing and adapts to different testing depth requirements.

[0051] Specifically, an elastic airbag 23-8 is fixed to the inner wall of the threaded cylinder 23-1, an air supply hose 23-3 is fixed to the bottom of the elastic airbag 23-8, a sealing shell 23-10 is fixed to one side of the air supply hose 23-3, a connecting plate 23-9 is fixed to one side of the sealing shell 23-10, a connecting bearing 23-5 is fixed to the inner wall of the connecting plate 23-9, the connecting bearing 23-5 is sleeved on the surface of the threaded rod 23-7, a guide block 23-11 is fixed to the inner ring of the connecting bearing 23-5, and a guide groove 23-12 that mates with the guide block 23-11 is opened on the surface of the threaded rod 23-7.

[0052] When the elastic airbag 23-8 is compressed, the gas inside is delivered to the sealing shell 23-10 through the air delivery hose 23-3, thus providing the air source for sealing detection. The connecting bearing 23-5 causes the sealing shell 23-10 to move down to a certain extent with the threaded rod 23-7 and then stop moving. The guide block 23-11 and the guide groove 23-12 cooperate to ensure accurate movement trajectory and improve the stability of sealing detection.

[0053] Example 3

[0054] Reference Figures 6 to 11 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0055] Specifically, the pneumatic drive component 24 includes an airtight connecting shell 24-1 fixed to one side of the sealing shell 23-10. A double-ended piston rod 24-2 is slidably connected to the inner wall of the airtight connecting shell 24-1. A sealing tube 24-3 is slidably sleeved on the surface of the double-ended piston rod 24-2. A single-ended piston rod 24-4 is slidably connected to the inner wall of the sealing tube 24-3. A movable plate 24-5 is fixed to one side of the single-ended piston rod 24-4. An insertion block 24-6 that mates with the first insertion slot 22-6 is fixed to one side of the movable plate 24-5.

[0056] Gas inside the sealing shell 23-10 enters the airtight connecting shell 24-1, pushing the double-headed piston rod 24-2 and the single-headed piston rod 24-4 to slide inside the sealing tube 24-3. The movable plate 24-5 drives the insertion block 24-6 to insert into the first insertion slot 22-6, realizing the conversion of pneumatic driving force into mechanical transmission. The connection is reliable and the response is rapid.

[0057] Specifically, the limiting component 25 includes a placement plate 25-1 disposed on the top of the drive shaft 22-4, a damping sleeve rod 25-2 that cooperates with the drive shaft 22-4 fixed at the bottom of the placement plate 25-1, a sliding vertical rod 25-5 slidably connected to the inner wall of the placement plate 25-1, a pressure spring 25-4 sleeved on the surface of the sliding vertical rod 25-5, an extrusion block 25-6 that cooperates with the irregular extrusion ring 13 fixed on one side of the sliding vertical rod 25-5, a limiting block 25-7 fixed at the bottom of the sliding vertical rod 25-5, and a limiting fastener 25-3 fixed at the top of the sliding vertical rod 25-5.

[0058] The placement plate 25-1 is connected to the drive shaft 22-4 via the damping sleeve 25-2 to achieve rotational buffering; the pressure spring 25-4 pushes the sliding vertical rod 25-5, causing the extrusion block 25-6 to contact the irregular extrusion ring 13; the limiting fastener 25-3 limits the detection target; and the limiting block 25-7 prevents the sliding vertical rod from falling off, ensuring stable limiting.

[0059] Specifically, the synchronous transmission component 26 includes a first connecting plate 26-1 fixed to one side of the irregular sliding rod 21-6, a transmission rod 26-2 fixed to one side of the first connecting plate 26-1, a second connecting plate 26-3 fixed to one side of the transmission rod 26-2, and an arc gear 26-4 that cooperates with the first gear 22-3 fixed to one side of the second connecting plate 26-3.

[0060] In use, the operator first places the car door lock on the placement plate 25-1 of the limiting component 25, starts the drive motor 22-1 of the drive component 22, and the drive shaft 22-4 drives the rotating disk 22-2 to rotate. The placement plate 25-1 rotates synchronously with the drive shaft 22-4 through the damping sleeve 25-2. When the pressing block 25-6 on the sliding vertical rod 25-5 contacts the irregular pressing ring 13, the curved surface of the irregular pressing ring 13 pushes the pressing block 25-6 to slide downward. The sliding vertical rod 25-5 compresses the pressure spring 25-4, so that the limiting buckle 25-3 tightly locks the door lock, realizing automatic limiting. When the rotating disk 22-2 rotates one revolution and resets, the pressing block 25-6 disengages from the irregular pressing ring 13, the pressure spring 25-4 pushes the sliding vertical rod 25-5 to reset, and the lock is automatically released.

[0061] During initial testing, the operator manually ejects the car lock tongue. The tongue presses against the contact block 21-7 of the locking force testing component 21, causing the irregularly shaped sliding rod 21-6 to overcome the elastic force of the return spring 21-2 and slide along the fixed ring 21-1 and the scale plate 21-4. If the locking force is qualified, the irregularly shaped sliding rod 21-6 moves to a preset distance, and the limiting ring 21-3 on its surface releases its restriction on the driving component 22. The arc gear 26-4 of the synchronous transmission component 26 meshes with the first gear 22-3, preventing its rotation and ensuring the visual inspection effect. The visual inspection component 12 then performs visual inspection on the door lock. Visual inspection is performed to determine whether the appearance and structure are qualified. After the rotating disk 22-2 rotates a certain distance, the lock tongue no longer presses against the contact block 21-7. Under the elastic force generated by the return spring 21-2's deformation, the irregular sliding rod 21-6 returns to its original position by a certain distance, thereby causing the irregular sliding rod 21-6 to drive the first connecting plate 26-1 to move. The first connecting plate 26-1 drives the second connecting plate 26-3 to move through the transmission rod 26-2, thereby causing the arc gear 26-4 to separate from the first gear 22-3, and the door lock continues to rotate.

[0062] After visual inspection, the transmission gear 22-8 of the rotating disk 22-2 engages with the second gear 23-2 of the sealing detection component 23, driving the threaded cylinder 23-1 to rotate. The threaded rod 23-7 moves downward under the cooperation of the guide block 23-11 and the guide groove 23-12. The connecting bearing 23-5 drives the sealing shell 23-10 to descend through the connecting plate 23-9, sealing the door lock latch area, leaving only the lock tongue exposed. As the threaded rod 23-7 continues to descend, the elastic air bladder 23-8 on the inner wall of the threaded cylinder 23-1 is compressed under the action of the compression plate 23-13, and the gas is filled into the sealing shell 23-1 through the air delivery hose 23-3. If the door lock is properly sealed, there will be no air leakage in the airtight connecting shell 24-1. If the seal is not properly sealed, gas will leak into the airtight connecting shell 24-1, pushing the double-headed piston rod 24-2 to move. The double-headed piston rod 24-2 drives the single-headed piston rod 24-4 to move by squeezing the gas in the airtight connecting shell 24-1, thereby driving the movable plate 24-5 to move. The insertion block 24-6 on the movable plate 24-5 is engaged with the first insertion slot 22-6 of the rotating disk 22-2, terminating the detection process. The entire device realizes the functions of automatic limit, locking force detection, sealing detection and visual inspection of the car door lock through the above principle.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A detection device for automobile door locks, characterized in that: include, The supporting assembly (1) includes a support platform (11), a visual inspection component (12) fixed to the top of the support platform (11), a support rod (14) fixed to the top of the support platform (11), and a shaped extrusion ring (13) fixed to one side of the support rod (14); and, The detection component (2) is located on the top of the bearing component (1) and includes a locking force detection component (21) fixed to the top of the support platform (11). A driving component (22) is fixed to the bottom of the support platform (11). A limiting component (25) is movably connected to the top of the driving component (22). A sealing detection component (23) is provided on the top of the limiting component (25). A pneumatic drive component (24) is provided at the bottom of the sealing detection component (23). The pneumatic drive component (24) is fixed to the top of the support platform (11). The sealing detection component (23) is fixed to the inner wall of the support platform (11). A synchronous drive component (26) is fixed to the surface of the locking force detection component (21). The locking force detection component (21) includes a fixing ring (21-1) fixed to the top of the support platform (11), and a shaped sliding rod (21-6) is slidably connected to the inner wall of the fixing ring (21-1). The driving component (22) includes a driving motor (22-1) fixed to the bottom of the support platform (11). The output end of the driving motor (22-1) is fixed with a drive shaft (22-4). A rotating disk (22-2) is sleeved on the surface of the drive shaft (22-4). A plug-in seat (22-5) is fixed at the bottom of the rotating disk (22-2). A first gear (22-3) is sleeved on the drive shaft (22-4). A transmission gear (22-8) is fixed on the surface of the rotating disk (22-2). A first plug-in groove (22-6) is opened on one side of the plug-in seat (22-5). A second plug-in groove (22-7) that cooperates with the shaped sliding rod (21-6) is opened on the surface of the plug-in seat (22-5). The first insertion slot (22-6) is used to cooperate with the insertion block of the pneumatic drive component (24) to realize automatic locking when a fault is detected; the second insertion slot (22-7) cooperates with the irregular sliding rod (21-6) to realize automatic start when the test is qualified; The limiting component (25) includes a placement tray (25-1) disposed on the top of the drive shaft (22-4). The bottom of the placement tray (25-1) is fixed with a damping sleeve rod (25-2) that cooperates with the drive shaft (22-4). A sliding vertical rod (25-5) is slidably connected to the inner wall of the placement tray (25-1). A pressure spring (25-4) is sleeved on the surface of the sliding vertical rod (25-5). An extrusion block (25-6) that cooperates with the irregular extrusion ring (13) is fixed on one side of the sliding vertical rod (25-5). A limiting block (25-7) is fixed at the bottom of the sliding vertical rod (25-5). A limiting fastener (25-3) is fixed at the top of the sliding vertical rod (25-5).

2. The detection device for automobile door locks as described in claim 1, characterized in that: A contact block (21-7) is fixed on one side of the irregular sliding rod (21-6), a return spring (21-2) is sleeved on the surface of the irregular sliding rod (21-6), and a limiting ring (21-3) is sleeved on the surface of the irregular sliding rod (21-6).

3. The detection device for automobile door locks as described in claim 2, characterized in that: The reset spring (21-2) is fixed to one side of the fixing ring (21-1) and the limiting ring (21-3) respectively. The locking force detection component (21) also includes a support column (21-5) fixed to the top of the support platform (11). A scale plate (21-4) is fixed to the top of the support column (21-5). The irregular sliding rod (21-6) is slidably connected to the top of the scale plate (21-4).

4. The detection device for automobile door locks as described in claim 3, characterized in that: The sealing detection component (23) includes a threaded cylinder (23-1) fixed to the inner wall of the support platform (11). A second gear (23-2) is sleeved on the surface of the threaded cylinder (23-1). A threaded rod (23-7) is threadedly connected to the inner wall of the threaded cylinder (23-1). A telescopic rod (23-6) is fixed to the top of the threaded rod (23-7). A receiving tube (23-4) is sleeved on the surface of the telescopic rod (23-6). The receiving tube (23-4) is fixed to the top of the support platform (11). A pressing plate (23-13) is fixed to the bottom of the threaded rod (23-7).

5. The detection device for automobile door locks as described in claim 4, characterized in that: An elastic airbag (23-8) is fixed to the inner wall of the threaded cylinder (23-1). An air supply hose (23-3) is fixed to the bottom of the elastic airbag (23-8). A sealing shell (23-10) is fixed to one side of the air supply hose (23-3). A connecting plate (23-9) is fixed to one side of the sealing shell (23-10). A connecting bearing (23-5) is fixed to the inner wall of the connecting plate (23-9). The connecting bearing (23-5) is sleeved on the surface of the threaded rod (23-7). A guide block (23-11) is fixed to the inner ring of the connecting bearing (23-5). A guide groove (23-12) that mates with the guide block (23-11) is opened on the surface of the threaded rod (23-7).

6. The detection device for automobile door locks as described in claim 5, characterized in that: The pneumatic drive component (24) includes an airtight connecting shell (24-1) fixed to one side of the sealing shell (23-10). A double-headed piston rod (24-2) is slidably connected to the inner wall of the airtight connecting shell (24-1). A sealing tube (24-3) is slidably sleeved on the surface of the double-headed piston rod (24-2). A single-headed piston rod (24-4) is slidably connected to the inner wall of the sealing tube (24-3). A movable plate (24-5) is fixed to one side of the single-headed piston rod (24-4). A plug-in block (24-6) that mates with the first plug-in groove (22-6) is fixed to one side of the movable plate (24-5).

7. The detection device for automobile door locks as described in claim 6, characterized in that: The synchronous transmission component (26) includes a first connecting plate (26-1) fixed to one side of the irregular sliding rod (21-6), a transmission rod (26-2) fixed to one side of the first connecting plate (26-1), a second connecting plate (26-3) fixed to one side of the transmission rod (26-2), and an arc gear (26-4) that cooperates with the first gear (22-3) fixed to one side of the second connecting plate (26-3).

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