A general inspection fixture for an automotive exterior component assembly

Abstract

The present invention belongs to the field of inspection tools for vehicle exterior trim assemblies, and particularly relates to a general inspection tool for automobile exterior trim assemblies, including a base. A positioning mechanism is provided on the base. An activity frame is provided on the upper side of the base. A first measuring mechanism is provided on the activity frame, and a second measuring mechanism is provided on the first measuring mechanism. The second measuring mechanism includes a sleeve connected to the first measuring mechanism. Four grooves are evenly distributed along the circumferential direction of the outer side of the sleeve. A measuring slider extending into the interior of the sleeve is slidably arranged on a side wall of the groove close to the center of the sleeve. A first measuring component is arranged on the inner side wall of the groove and above the measuring slider. Four activity holes communicating with the interior of the sleeve are provided on the upper side of the sleeve. A connecting block is slidably arranged in the activity hole. The lower side of the connecting block is fixedly connected to the upper side of the measuring slider. The present invention can improve the detection efficiency of preset holes on automobile exterior trims on the premise of ensuring detection accuracy.

Description

Technical Field

[0001] The present invention belongs to the field of general gauges for automobile exterior trim assemblies, and particularly relates to a general gauge for automobile exterior trim assemblies. Background Art

[0002] After the production of automobile exterior trim assemblies, quality inspections are required, mainly including dimension inspection, inspection of preset holes, and appearance inspection. Common general gauges for automobile exterior trim assemblies include calipers, micrometers, or dial indicators, etc.

[0003] However, the existing general gauges for exterior trim assemblies have the following defects during use: 1. When measuring the hole depth, a hole depth gauge is usually arranged at the tail of the caliper. During measurement, since the hole depth gauge is fixedly connected to the caliper, the staff generally controls the hole depth gauge to measure by holding the body of the caliper. And during the operation, it is necessary to ensure that the front end face of the hole depth gauge is flush with the surface of the rear port of the preset hole. Then, the staff reads the value through the scale on the surface of the hole depth gauge at the front end face of the preset hole. During the reading process, it is also necessary to ensure the stability of the hole depth gauge to avoid the problem of inaccurate reading caused by deviation. This method has high operation requirements, and the measurement accuracy is easily affected by human factors. 2. When measuring the hole diameter, it is necessary to keep the measuring jaws perpendicular to the port of the preset hole. When it is necessary to measure the hole diameter of the same type of preset holes on the automobile exterior trim, it is very difficult to improve the measurement efficiency while ensuring the measurement accuracy. Summary of the Invention

[0004] In view of the above problems, a general gauge for automobile exterior trim assemblies provided by an embodiment of the present application can improve the detection efficiency of preset holes on automobile exterior trim while ensuring the detection accuracy.

[0005] To achieve the above object, the embodiments of the present application provide the following technical solutions: The present invention provides a general inspection fixture for an automotive exterior component assembly, including a base, a positioning mechanism is arranged on the base, a movable frame is arranged on the upper side of the base, a first measuring mechanism is arranged on the movable frame, and a second measuring mechanism is arranged on the first measuring mechanism. The second measuring mechanism includes a sleeve connected to the first measuring mechanism, four grooves evenly distributed along its circumferential direction are opened on the outer side of the sleeve, a measuring slider extending into the sleeve is slidably arranged on a side wall of the groove close to the center of the sleeve, a first measuring component is arranged on the inner side wall of the groove and above the measuring slider, four movable holes all communicating with the inside of the sleeve are opened on the upper side of the sleeve, a connecting block is slidably arranged in the movable hole, the lower side of the connecting block is fixedly connected to the upper side of the measuring slider, springs are fixedly connected to one side of the four connecting blocks close to each other, one end of the spring away from the connecting block is fixedly connected to the inner wall of the movable hole, a second measuring component is jointly arranged between the upper side of the connecting block and the upper side of the sleeve, a driving component is arranged on the sleeve, and a limiting component is also arranged on the sleeve. The sleeve is inserted into a preset hole on the automotive exterior component assembly under the cooperation of the driving component, so that the measuring slider cooperates with the second measuring component and the first measuring component in sequence to measure the aperture and the hole depth.

[0006] According to an advantageous embodiment, a plurality of first chutes evenly distributed along its length direction are opened on the upper part of the base, the positioning mechanism includes a first guide rod fixedly arranged in the first chute, a first mounting seat is slidably arranged on the first guide rod, a presser is arranged on the first mounting seat, and a plurality of supporting seats for supporting the automotive exterior component assembly are also movably arranged on the base.

[0007] According to an advantageous embodiment, two second chutes symmetrically arranged left and right are opened on the upper side of the base, a second guide rod is fixedly arranged in the second chute, the movable frame includes a second mounting seat slidably arranged on the second guide rod, a supporting frame is fixedly arranged on the upper side of the second mounting seat, a cross beam plate is rotatably arranged on the upper side of the left supporting frame, and the right side of the cross beam plate is movably abutted against the upper side of the right supporting frame.

[0008] According to an advantageous embodiment, the first measuring mechanism includes two clamping plates both with positioning pins on the lower side, a plurality of positioning holes distributed along its length direction are opened on the upper side of the cross beam plate, the clamping plates are inserted into the positioning holes through the positioning pins, a telescopic plate is rotatably arranged on the upper side of the clamping plates, a locking sleeve is fixedly arranged at a position on the upper side of the movable section of the telescopic plate and away from the clamping plates, a positioning rod penetrating through the movable section of the telescopic plate is slidably inserted into the locking sleeve, a locking bolt is bolted on the surface of the locking sleeve, one end of the locking bolt abuts against the outer wall of the positioning rod, and the lower end of the positioning rod is fixedly connected to the upper side of the sleeve through a connecting piece, and a measuring plate is jointly slidably arranged between the two positioning rods.

[0009] According to a preferred embodiment, the connecting member includes a connecting plate fixedly connected to the lower end of the positioning rod. On the lower side of the connecting plate, two electromagnetic rods that are symmetric with the center of the positioning rod as the midpoint are fixedly provided. At corresponding positions on the upper side of the sleeve, two slots that are both adapted to the electromagnetic rods are provided, and iron sheets are fixedly provided in the slots.

[0010] According to a preferred embodiment, the measuring plate includes a scale body with scales on its surface. Along the scale direction on the upper side of the scale body, a strip-shaped hole is provided, and the width of the strip-shaped hole is the same as the diameter of the positioning rod.

[0011] According to a preferred embodiment, on the inner side wall of the groove and above the corresponding measuring slider, a movable groove is provided. The first measuring assembly includes a first scale plate fixedly provided on the inner side wall of the groove. In the movable groove, a first pointer plate corresponding to the adjacent first scale plate is slidably provided; the second measuring assembly includes a second scale plate fixedly provided on the upper side of the sleeve and near the upper port of each movable hole. On the upper side of the connecting block, a second pointer plate corresponding to the adjacent second scale plate is fixedly provided.

[0012] According to a preferred embodiment, the driving assembly includes a rotating ring rotatably provided at the middle position on the upper side of the sleeve. On the upper side of the rotating ring, four transmission plates distributed circumferentially are hinged. The side of the transmission plate away from the rotating ring is rotatably connected to the upper side of the corresponding second pointer plate.

[0013] According to a preferred embodiment, the limiting assembly includes a screw rod rotatably provided inside the sleeve. A limiting table in a conical structure is threadedly connected to the screw rod. On the side of the four measuring sliders close to each other and near the lower side, they are all in movable contact with the peripheral side wall of the limiting table.

[0014] According to a preferred embodiment, the side of the measuring slider away from the center of the sleeve is provided in a triangular pyramid shape. The lower open end of the sleeve is fixedly provided with a cover plate through bolts. On the upper side of the sleeve, an adjusting knob is rotatably provided. The adjusting knob is fixedly connected to the upper end of the screw rod through a connecting shaft. On the lower side of the limiting table, a third guide rod is fixedly provided, and the lower end of the third guide rod is slidably inserted into the cover plate.

[0015] Compared with the prior art, a general inspection tool for an automotive exterior component assembly provided by an embodiment of the present invention has the following beneficial effects: 1. In the present invention, the second measuring mechanism is cooperated with the first measuring mechanism, which is convenient for measuring the distance between any two preset holes on the automotive exterior component while ensuring the accuracy. The positioning mechanism can position most of the automotive exterior components, having good universality.

[0016] 2. In the present invention, the measuring slider in the second measuring mechanism can cooperate with the limiting component, so that the sleeve and the preset hole are concentric during detection, the aperture of the preset hole on the automotive exterior part is measured, and the preset holes of the same model on the automotive exterior part can be quickly inspected, ensuring the measurement accuracy while improving the inspection efficiency.

[0017] 3. In the present invention, the measuring slider can also cooperate with the second measuring component, avoiding the problem that precise control of the measuring tool is required to keep it stable when measuring the hole depth of the preset hole, reducing the measurement difficulty while ensuring the accuracy of the hole depth measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall external three-dimensional structure diagram of the present invention.

[0019] Figure 2 It is an external three-dimensional structure diagram of the first measuring mechanism in the present invention.

[0020] Figure 3 is Figure 2 an enlarged structure diagram of part A in

[0021] Figure 4 It is a schematic connection structure diagram of the sleeve and the connecting piece in the present invention.

[0022] Figure 5 It is an external three-dimensional structure diagram of the sleeve in the present invention.

[0023] Figure 6 It is a sectional three-dimensional structure diagram of the sleeve in the present invention.

[0024] Figure 7 It is a plane sectional view of detecting the aperture of the automotive exterior part by the second measuring mechanism in the present invention.

[0025] Figure 8 It is a plane sectional view of detecting the hole depth of the automotive exterior part by the second measuring mechanism in the present invention.

[0026] Reference numerals in the drawings: 1, base; 2, positioning mechanism; 21, first mounting seat; 22, presser; 23, support seat; 3, movable frame; 31, second mounting seat; 32, support frame; 33, crossbeam plate; 4, first measuring mechanism; 41, clamping plate; 42, telescopic plate; 43, locking sleeve; 44, connecting member; 441, connecting plate; 442, electromagnetic rod; 45, measuring plate; 46, positioning rod; 5, second measuring mechanism; 51, sleeve; 52, groove; 53, measuring slider; 54, first measuring component; 541, first scale plate; 542, first pointer plate; 55, movable hole; 56, connecting block; 57, spring; 58, second measuring component; 581, second scale plate; 582, second pointer plate; 59, driving component; 591, rotating ring; 592, transmission plate; 510, limiting component; 5101, screw; 5102, limiting platform; 6, cover plate; 7, adjusting knob; 8, automotive exterior part. Detailed implementation manners

[0027] The following further elaborates on this application in conjunction with the attached Figure 1-8 drawings.

[0028] Please refer to Figure 1 a general inspection fixture for an automotive exterior part assembly, including a base 1, a positioning mechanism 2 is arranged on the base 1, a movable frame 3 is arranged on the upper side of the base 1, a first measuring mechanism 4 is arranged on the movable frame 3, and a second measuring mechanism 5 is arranged on the first measuring mechanism 4.

[0029] Referring to Figure 1 and Figure 7 multiple first chutes evenly distributed along its length direction are opened on the upper part of the base 1, the positioning mechanism 2 includes a first guide rod fixedly arranged in the first chute, a first mounting seat 21 is slidably arranged on the first guide rod, a presser 22 is arranged on the first mounting seat 21, and several support seats 23 for supporting the automotive exterior part 8 assembly are also movably arranged on the base 1.

[0030] Referring to Figure 1 and Figure 7 two symmetrically left - and - right second chutes are opened on the upper side of the base 1, a second guide rod is fixedly arranged in the second chute, the movable frame 3 includes a second mounting seat 31 slidably arranged on the second guide rod, a support frame 32 is fixedly arranged on the upper side of the second mounting seat 31, a crossbeam plate 33 is rotatably arranged on the upper side of the left support frame 32, and the right side of the crossbeam plate 33 is movably abutted against the upper side of the right support frame 32.

[0031] During specific operation, the support seat 23 is placed above the base 1 according to the specific shape of the automotive exterior part 8. The operator can lift the crossbeam plate 33 from the right side of the crossbeam plate 33, causing the crossbeam plate 33 to rotate and open. Then, the automotive exterior part 8 is placed above the base 1 and placed on the base 1 through a plurality of support seats 23. Then, the support seat 23 cooperates with the compactor 22 to fix the automotive exterior part 8. After that, the crossbeam plate 33 can be reset, and the first measuring mechanism 4 and the second measuring mechanism 5 can perform corresponding detection work.

[0032] Refer to Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , the second measuring mechanism 5 includes a sleeve 51 connected to the first measuring mechanism 4. Four grooves 52 evenly distributed along the circumferential direction are formed on the outer side of the sleeve 51. A measuring slider 53 extending into the interior of the sleeve 51 is slidably arranged on a side wall of the groove 52 close to the center of the sleeve 51. The side of the measuring slider 53 away from the center of the sleeve 51 is arranged in a triangular pyramid shape. A cover plate 6 is fixedly arranged at the lower open end of the sleeve 51 through bolts. A first measuring component 54 is arranged on the inner side wall of the groove 52 and above the measuring slider 53. Four movable holes 55 all communicating with the interior of the sleeve 51 are formed on the upper side of the sleeve 51. A connecting block 56 is slidably arranged in the movable hole 55. The lower side of the connecting block 56 is fixedly connected to the upper side of the measuring slider 53. Springs 57 are fixedly connected to the sides of the four connecting blocks 56 close to each other. One end of the spring 57 away from the connecting block 56 is fixedly connected to the inner wall of the movable hole 55. A second measuring component 58 is jointly arranged between the upper side of the connecting block 56 and the upper side of the sleeve 51. A driving component 59 is arranged on the sleeve 51, and a limiting component 510 is also arranged on the sleeve 51.

[0033] Refer to Figure 5 、 Figure 6 and Figure 7 , an activity groove is formed on the inner side wall of the groove 52 and above the corresponding measuring slider 53. The first measuring component 54 includes a scale plate one 541 fixedly arranged on the inner side wall of the groove 52, and a pointer plate one 542 corresponding to the adjacent scale plate one 541 is slidably arranged in the activity groove; the second measuring component 58 includes a scale plate two 581 fixedly arranged on the upper side of the sleeve 51 and close to the upper port of each movable hole 55, and a pointer plate two 582 corresponding to the adjacent scale plate two 581 is fixedly arranged on the upper side of the connecting block 56.

[0034] Refer to Figure 5 and Figure 6, the driving component 59 includes a rotating ring 591 rotatably arranged at the middle position on the upper side of the sleeve 51. Four driving plates 592 distributed circumferentially are hinged to the upper side of the rotating ring 591. The side of the driving plate 592 away from the rotating ring 591 is rotatably connected to the upper side of the corresponding pointer plate two 582.

[0035] Refer to Figure 6 , the limiting component 510 includes a screw rod 5101 rotatably arranged inside the sleeve 51. A limiting platform 5102 with a conical structure is threadedly connected to the screw rod 5101. The positions of the four measuring sliders 53 close to each other and close to the lower side are all in movable contact with the circumferential side wall of the limiting platform 5102. An adjusting knob 7 is rotatably arranged on the upper side of the sleeve 51. The adjusting knob 7 is fixedly connected to the upper end of the screw rod 5101 through a connecting shaft. A guide rod three is fixedly arranged on the lower side of the limiting platform 5102. The lower end of the guide rod three is slidably inserted into the cover plate 6.

[0036] During specific operation, the measuring mechanism two 5 can be used independently to quickly detect whether there are problems with the same type of preset holes on the automotive exterior parts 8. When measuring the hole diameters of the same type of preset holes, after fixing the automotive exterior parts 8 on the base 1, the staff rotates the rotating ring 591 on the upper side of the sleeve 51 and cooperates with the driving plates 592 to enable the four measuring sliders 53 to contract into the sleeve 51. At this time, the sleeve 51 can be smoothly inserted into the preset hole. Then the staff releases the rotating ring 591, and the four measuring sliders 53 move towards the inner wall of the preset hole and come into contact under the action of the corresponding springs 57. Then the staff rotates the adjusting knob 7 to make the screw rod 5101 rotate, thereby driving the limiting platform 5102 to rise, so that the outer wall of the limiting platform 5102 comes into contact with the measuring slider 53 to limit the measuring slider 53. At this time, the measuring slider 53 is limited by the inner wall of the preset hole and the limiting platform 5102 and no longer moves. Then the staff reads the values through any two opposite pointer plates two 582 on the upper side of the sleeve 51 and their respective corresponding scale plates two 581, such as Figure 7As shown, after reading the readings of the preset holes, it is judged whether the preset holes meet the requirements according to the parameters of the preset holes on the design drawing of the exterior trim. On the premise that the preset holes are detected to be qualified, the staff extracts the sleeve 51 from the preset holes, then moves it above the next preset hole. Before inserting the sleeve 51 into the lower preset hole again, the staff rotates the rotating ring 591 again to control the measuring slider 53 to abut against the limiting platform 5102. At this time, the distance between the ends of any two corresponding measuring sliders 53 on the sleeve 51 is the aperture of the previous preset hole. Keep this state unchanged and insert the sleeve 51 into the next preset hole. If it can be just inserted, it means that the preset hole is okay; if the sleeve 51 cannot be inserted into the preset hole or there is still a certain distance gap between the end of the measuring slider 53 and the preset hole after the sleeve 51 is inserted, it means that the preset hole has problems and is unqualified. By using the same method, the preset holes of the same model can be quickly inspected in batches.

[0037] When it is necessary to detect the hole depth of a certain preset hole on the automotive exterior trim 8, the measuring slider 53 on the sleeve 51 is completely retracted by rotating the rotating ring 591, then the sleeve 51 is inserted into the preset hole so that the measuring slider 53 completely passes through the preset hole, and then the rotating ring 591 is released to make the measuring slider 53 slide outwards under the action of the corresponding spring 57 to be in a natural extended state. Then, the sleeve 51 is pulled back. At this time, the measuring slider 53 abuts against the back port of the preset hole, and then the pointer plate one 542 moves downwards to abut against the front port of the preset hole. At this time, the thickness of the preset hole can be read through the position of the pointer plate one 542 on the scale plate one 541, as Figure 8 shown. The thickness of the preset hole can be accurately measured without precise control throughout the process.

[0038] Refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 7 Refer to

[0039] Refer to Figure 2 and Figure 4 Figure 4 The connecting member 44 includes a connecting plate 441 fixedly connected to the lower end of the positioning rod 46. On the lower side of the connecting plate 441, two electromagnetic rods 442 are symmetrically arranged with the center of the positioning rod 46 as the midpoint. At corresponding positions on the upper side of the sleeve 51, two slots are provided, both of which are adapted to the electromagnetic rods 442. Iron sheets are fixedly arranged in the slots.

[0040]

[0040] During specific operation, the second measuring mechanism 5 can be used in cooperation with the first measuring mechanism 4 to measure any two preset holes on the automotive exterior part 8. When it is necessary to measure the distance between any two preset holes on the automotive exterior part 8, first insert the sleeve 51 into the preset hole on the automotive exterior part 8. The four measuring sliders 53 on the outer side of the same sleeve 51 are all in contact with the preset hole. Then rotate the adjusting knob 7 at the upper end of the screw rod 5101, so that the limiting platform 5102 rises and comes into contact with the four measuring sliders 53, so that the four measuring sliders 53 will no longer move even under pressure, making the sleeve 51 concentric with the preset hole. After the sleeve 51 is inserted into the preset hole, move the corresponding positioning rod 46 and insert the electromagnetic rod 442 into the slot on the upper side of the sleeve 51 to contact the iron sheet. At the same time, the electromagnetic rod 442 is energized to generate an adsorption force, so that the electromagnetic rod 442 is fixedly connected to the sleeve 51, thereby fixing the sleeve 51 at the preset position through the positioning rod 46. Insert another sleeve 51 into the corresponding preset hole in the same way. At this time, insert the two positioning rods 46 into the strip holes on the measuring plate 45, and compare the positions of the two positioning rods 46 in the strip holes with the scales on the measuring plate 45, and the distance between any two preset holes on the automotive exterior part 8 can be accurately measured.

[0041] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A general inspection fixture for an automotive exterior trim assembly, comprising a base, a positioning mechanism is arranged on the base, a movable frame is arranged on the upper side of the base, a first measuring mechanism is arranged on the movable frame, and a second measuring mechanism is arranged on the first measuring mechanism; A plurality of first chutes evenly distributed along the length direction are opened on the upper part of the base. The positioning mechanism includes a first guide rod fixedly arranged in the first chute. A first mounting seat is slidably arranged on the first guide rod. A pressing device is arranged on the first mounting seat. A plurality of supporting seats for supporting the automotive exterior trim assembly are movably arranged on the base; The supporting seat cooperates with the pressing device to fix the automotive exterior trim. The second measuring mechanism includes a sleeve connected to the first measuring mechanism. Four grooves evenly distributed along the circumferential direction are opened on the outer side of the sleeve. A measuring slider extending into the sleeve is slidably arranged on the side wall of the groove close to the center of the sleeve. A first measuring component is arranged on the inner side wall of the groove and above the measuring slider. Four movable holes communicating with the inside of the sleeve are opened on the upper side of the sleeve. A connecting block is slidably arranged in the movable hole. The lower side of the connecting block is fixedly connected to the upper side of the measuring slider. Springs are fixedly connected to the sides of the four connecting blocks close to each other. The ends of the springs far from the connecting blocks are fixedly connected to the inner walls of the movable holes. A second measuring component is jointly arranged between the upper side of the connecting block and the upper side of the sleeve. A driving component is arranged on the sleeve, and a limiting component is also arranged on the sleeve; The first measuring mechanism includes two clamping plates with positioning pins on the lower sides. A telescopic plate is rotatably arranged on the upper side of the clamping plate. A locking sleeve is fixedly arranged on the upper side of the movable section of the telescopic plate and away from the clamping plate. A positioning rod passing through the movable section of the telescopic plate is slidably inserted into the locking sleeve. The lower end of the positioning rod is fixedly connected to the upper side of the sleeve through a connecting piece. A measuring plate is slidably arranged between the two positioning rods; The sleeve is inserted into a preset hole on the automotive exterior trim assembly under the cooperation of the driving component, so that the measuring slider cooperates with the second measuring component and the first measuring component in sequence to measure the aperture and the hole depth.

2. The general inspection fixture for an automotive exterior part assembly according to claim 1, characterized in that, Two symmetrically arranged second chutes are opened on the upper side of the base. A second guide rod is fixedly arranged in the second chute. The movable frame includes a second mounting seat slidably arranged on the second guide rod. A support frame is fixedly arranged on the upper side of the second mounting seat. A cross beam plate is rotatably arranged on the upper side of the left support frame. The right side of the cross beam plate is movably abutted against the upper side of the right support frame.

3. The general inspection fixture for an automotive exterior part assembly according to claim 2, characterized in that, A plurality of positioning holes distributed along the length direction are opened on the upper side of the cross beam plate. The clamping plate is inserted into the positioning hole through the positioning pin. A locking bolt is bolted to the surface of the locking sleeve. One end of the locking bolt abuts against the outer wall of the positioning rod.

4. The general inspection fixture for an automotive exterior component assembly according to claim 3, characterized in that, The connecting piece includes a connecting plate fixedly connected to the lower end of the positioning rod. Two electromagnetic rods symmetrically arranged with the center of the positioning rod as the midpoint are fixedly arranged on the lower side of the connecting plate. Two slots adapted to the electromagnetic rods are opened at the corresponding positions on the upper side of the sleeve. Iron sheets are fixedly arranged in the slots.

5. The general inspection fixture for an automotive exterior component assembly according to claim 3, characterized in that, The measuring plate includes a scale body with scales on its surface. A strip-shaped hole is formed in the upper side of the scale body along the scale direction, and the width of the strip-shaped hole is the same as the diameter of the positioning rod.

6. The general inspection fixture for an automotive exterior part assembly according to claim 1, characterized in that, An activity groove is formed in the inner side wall of the groove and above the corresponding measuring slider. The first measuring component includes a first scale plate fixedly arranged on the inner side wall of the groove. A pointer plate corresponding to the adjacent first scale plate is slidably arranged in the activity groove. The second measuring component includes a second scale plate fixedly arranged on the upper side of the sleeve and near the upper port of each activity hole. A pointer plate corresponding to the adjacent second scale plate is fixedly arranged on the upper side of the connecting block.

7. The general inspection fixture for an automotive exterior component assembly according to claim 6, characterized in that, The driving component includes a rotating ring rotatably arranged in the middle position on the upper side of the sleeve. Four transmission plates distributed circumferentially are hinged on the upper side of the rotating ring. The side of the transmission plate away from the rotating ring is rotatably connected to the upper side of the corresponding pointer plate two.

8. The general inspection fixture for an automotive exterior component assembly according to claim 1, characterized in that, The limiting component includes a screw rod rotatably arranged inside the sleeve. A limiting platform in a conical structure is threadedly connected to the screw rod. The positions of the four measuring sliders close to the lower side and on the side close to each other are all in active contact with the circumferential side wall of the limiting platform.

9. The general inspection fixture for an automotive exterior component assembly according to claim 8, characterized in that, The side of the measuring slider away from the center of the sleeve is arranged in a triangular cone shape. A cover plate is fixedly arranged at the open lower side of the sleeve through bolts. An adjusting knob is rotatably arranged on the upper side of the sleeve. The adjusting knob is fixedly connected to the upper end of the screw rod through a connecting shaft. A guide rod three is fixedly arranged on the lower side of the limiting platform. The lower end of the guide rod three is slidably inserted into the cover plate.

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