Vehicle door sealing performance comprehensive detection device

Abstract

The utility model relates to the technical field of vehicle detection, and discloses a vehicle door sealing performance comprehensive detection device which comprises a bottom plate, the front side and the rear side of the bottom plate are fixedly connected with connecting plates, the top of the connecting plate on the rear side is fixedly connected with a connecting frame, and the bottom of the front side of the connecting frame is fixedly connected with a fixing block. And threaded rods are rotationally connected to the top and the left side of the fixing block correspondingly, motors are fixedly connected to the top and the left side of the connecting frame correspondingly, the output ends of the two motors are fixedly connected with the adjacent threaded rods correspondingly, and moving parts are in threaded connection to the surfaces of the two threaded rods correspondingly. According to the utility model, the two motors drive the two threaded rods to rotate so as to drive the moving pieces to move, the two moving pieces move to drive the sliding blocks to move in the sliding grooves, and the sliding pieces drive the second cylinder and the sealing piece to move so as to drive the airtightness detection probe to move, thereby realizing detection of different positions of the vehicle door.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detection, in particular to a comprehensive detection device for vehicle door sealing. Background Art

[0002] With the rapid development of the automobile industry, the quality and safety of automobiles are receiving more and more attention from consumers. As an important part of the automobile, the sealing of the door directly affects the quietness, dust and water resistance, and air conditioning effect of the car interior. In automobile production, it is necessary to test the sealing conditions of several leakage-prone locations, such as door joints, sheet metal overlaps, and glue coatings. Good door sealing can not only provide a comfortable driving environment, but also effectively prevent the intrusion of external dust, rain and noise.

[0003] The existing detection device has a fixed detection position, and the fixed position causes a detection blind spot, which cannot be adapted to different vehicle models and cannot accurately detect local leaks, greatly increasing the detection time. Repeated adjustments result in a waste of detection time. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a comprehensive door sealing detection device, which aims to improve the problem that the existing detection position is fixed and cannot be adapted to different car models and repeatedly adjusted, resulting in a waste of time.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a comprehensive detection device for vehicle door sealing, comprising a base plate, wherein the front and rear sides of the base plate are fixedly connected to connecting plates, the top of the connecting plate on the rear side is fixedly connected to a connecting frame, the bottom front side of the connecting frame is fixedly connected to a fixed block, the top and left sides of the fixed block are rotatably connected to threaded rods, the top and left sides of the connecting frame are fixedly connected to a motor, the two motor output ends are fixedly connected to adjacent threaded rods, the surfaces of the two threaded rods are threadedly connected to moving parts, the front sides of the two moving parts are fixedly connected to slide grooves, a sliding block is slidably connected between the two slide grooves, the front side of the sliding block is fixedly connected to a second cylinder, the output end of the second cylinder is fixedly connected to a seal, the front side of the seal is fixedly connected to an airtightness detection probe, and a clamping assembly is provided on the adjacent sides of the two connecting plates, and the clamping is used to fix the vehicle door.

[0006] Preferably, the clamping assembly includes two sliding rods, both of which are fixedly connected to the connecting plate, a first cylinder is fixedly connected to the rear side of the connecting plate, a movable plate is fixedly connected between the two output ends of the first cylinders, and the movable plate is slidably connected to the two sliding rods.

[0007] Preferably, the rear side of the movable plate is rotatably connected to a connecting piece, the rear side of the connecting piece is fixedly connected to two springs, and the front ends of the two springs are fixedly connected to the movable plate.

[0008] Preferably, the rear side of the connecting member is rotatably connected to two clamping members.

[0009] Preferably, the rear sides of the two clamping members are fixedly connected with a protective pad.

[0010] Preferably, an air pump is fixedly connected to the top of the rear side of the sliding block, and an air pipe is fixedly connected to the input end of the air pump.

[0011] Preferably, the front end of the air delivery pipe passes through and extends to the front side of the sealing member, and the air delivery pipe and the sealing member are fixedly connected.

[0012] Preferably, an air suction nozzle is fixedly connected to the front end of the air delivery pipe.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, two motors drive two threaded rods to rotate, thereby driving the moving parts to move. The movement of the two moving parts drives the sliding block to move in the slide groove. The sliding part drives the second cylinder and the sealing part to move, thereby driving the airtightness detection probe to move, realizing the detection of different positions of the vehicle door, solving the problem that the existing detection position is fixed and cannot be adapted to different vehicle models and repeatedly adjusted, resulting in a waste of time.

[0015] 2. In the utility model, the first cylinder drives the movable plate to slide on the slide rod, thereby driving the front connecting piece to move. The movement of the connecting piece drives the two clamping pieces and the pad to clamp the car door. The clamping piece can rotate on the connecting piece, thereby achieving clamping and fixing of car doors of different specifications, solving the problem that the existing fixing method cannot quickly fix the irregular surface of the car door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a comprehensive detection device for vehicle door sealing proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of a clamping member of a comprehensive door sealing detection device proposed by the present invention;

[0018] Figure 3 This is a schematic diagram of a sealing component of a comprehensive vehicle door sealing detection device proposed by the present invention.

[0019] Legend:

[0020] 1. Base plate; 2. Connecting plate; 3. Moving plate; 4. Sliding rod; 5. First cylinder; 6. Spring; 7. Connecting part; 8. Clamping part; 9. Connecting frame; 10. Fixed block; 11. Threaded rod; 12. Moving part; 13. Slide groove; 14. Motor; 15. Sliding block; 16. Air pump; 17. Air pipe; 18. Suction nozzle; 19. Air tightness detection probe; 20. Second cylinder; 21. Sealing part; 22. Protective pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Reference Figure 1-Figure 3 The utility model provides an embodiment of a comprehensive detection device for vehicle door sealing, comprising a base plate 1, wherein the front and rear sides of the base plate 1 are fixedly connected to a connecting plate 2, the top of the connecting plate 2 on the rear side is fixedly connected to a connecting frame 9, the bottom of the front side of the connecting frame 9 is fixedly connected to a fixing block 10, the top and left sides of the fixing block 10 are rotatably connected to a threaded rod 11, the top and left sides of the connecting frame 9 are fixedly connected to a motor 14, the output ends of the two motors 14 are fixedly connected to adjacent threaded rods 11, the surfaces of the two threaded rods 11 are threadedly connected to moving parts 12, the front sides of the two moving parts 12 are fixedly connected to a slide groove 13, a sliding block 15 is slidably connected between the two slide grooves 13, the front side of the sliding block 15 is fixedly connected to a second cylinder 20, the output end of the second cylinder 20 is fixedly connected to a sealing member 21, and the front side of the seal 21 is fixedly connected to an airtightness detection probe 19, and a clamping assembly is provided on the adjacent side of the two connecting plates 2, which is used to fix the vehicle door.

[0023] Specifically, two motors 14 drive the two threaded rods 11 to rotate, thereby driving the moving part 12 to move. The movement of the two moving parts 12 drives the sliding block 15 to move in the slide groove 13. The sliding block 15 drives the second cylinder 20 to move. The second cylinder 20 drives the sealing part 21 to move back and forth so that it fits the surface of the car door. The edge of the sealing part 21 is relatively soft, thereby realizing the movement of the airtight detection probe 19 and realizing detection of different positions of the car door.

[0024] Reference Figure 2The clamping assembly includes two sliding rods 4, both sliding rods 4 are fixedly connected to the connecting plate 2, the rear side of the connecting plate 2 is fixedly connected to the first cylinder 5, the output ends of the two first cylinders 5 are fixedly connected to the moving plate 3, and the moving plate 3 is slidingly connected to the two sliding rods 4; the rear side of the moving plate 3 is rotatably connected to a connecting piece 7, the rear side of the connecting piece 7 is fixedly connected to two springs 6, and the front ends of the two springs 6 are fixedly connected to the moving plate 3; the rear side of the connecting piece 7 is rotatably connected to two clamping pieces 8; the rear sides of the two clamping pieces 8 are fixedly connected to a protective pad 22.

[0025] Specifically, the first cylinder 5 drives the movable plate 3 to slide on the slide rod 4, thereby driving the front connecting member 7 to move. The movement of the connecting member 7 drives the two clamping members 8 and the protective pad 22 to clamp the car door. The clamping member 8 can rotate on the connecting member 7, and the connecting member 7 can rotate on the movable plate 3. When it is fitted to the car door, the clamping member 8 will adapt to the curved surface of the car door and rotate. The protective pad 22 is relatively soft and fits tightly to the surface of the car door when clamping, thereby achieving clamping and fixing of car doors of different specifications.

[0026] Reference Figure 1 An air pump 16 is fixedly connected to the top of the rear side of the sliding block 15, and an air pipe 17 is fixedly connected to the input end of the air pump 16; the front end of the air pipe 17 passes through and extends to the front side of the sealing member 21, and the air pipe 17 and the sealing member 21 are fixedly connected; the front end of the air pipe 17 is fixedly connected to the suction nozzle 18.

[0027] Specifically, by starting the air pump 16, the air pipe 17 and the air suction nozzle 18 to suck air, after the seal 21 is attached to the car door, the air in the seal 21 is extracted to form a negative pressure area, and then the car door is inspected by the airtightness detection probe 19 to find out whether there is any air leakage.

[0028] Working principle: The first cylinder 5 drives the movable plate 3 to slide on the slide rod 4, thereby driving the front connecting piece 7 to move. The movement of the connecting piece 7 drives the two clamping pieces 8 and the pad 22 to clamp the car door. The clamping piece 8 can rotate on the connecting piece 7, and the connecting piece 7 can rotate on the movable plate 3. When it is attached to the car door, the clamping piece 8 will rotate according to the curved surface of the car door. The pad 22 is relatively soft and fits tightly to the surface of the car door when clamping, so that doors of different specifications can be clamped and fixed. The two motors 14 drive the two threaded rods 11 to Rotate, thereby driving the moving part 12 to move, the movement of the two moving parts 12 drives the sliding block 15 to move in the slide groove 13, the sliding block 15 drives the second cylinder 20 to move, and the second cylinder 20 drives the sealing part 21 to move back and forth, so that it fits on the surface of the car door. The edge of the sealing part 21 is relatively soft. Start the air pump 16, the air pipe 17 and the suction nozzle 18 to suck air, and extract the air in the sealing part 21 to form a negative pressure area. Then the car door is inspected by the airtight detection probe 19 to find out whether there is any air leakage, thereby realizing the detection of different positions of the car door.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A comprehensive detection device for vehicle door sealing, comprising a base plate (1), characterized in that: The front and rear sides of the bottom plate (1) are fixedly connected to connecting plates (2), the top of the connecting plate (2) on the rear side is fixedly connected to a connecting frame (9), the front bottom of the connecting frame (9) is fixedly connected to a fixing block (10), the top and left sides of the fixing block (10) are rotatably connected to threaded rods (11), the top and left sides of the connecting frame (9) are fixedly connected to motors (14), the output ends of the two motors (14) are fixedly connected to adjacent threaded rods (11), and the surfaces of the two threaded rods (11) are threadedly connected. A moving part (12) is connected, and the front sides of the two moving parts (12) are fixedly connected with a slide groove (13), a sliding block (15) is slidably connected between the two slide grooves (13), the front side of the sliding block (15) is fixedly connected with a second cylinder (20), the output end of the second cylinder (20) is fixedly connected with a sealing part (21), and the front side of the sealing part (21) is fixedly connected with an airtightness detection probe (19), and a clamping assembly is provided on the adjacent side of the two connecting plates (2), and the clamping assembly is used to fix the vehicle door.

2. A comprehensive door sealing detection device according to claim 1, characterized in that: The clamping assembly comprises two sliding rods (4), both of the sliding rods (4) are fixedly connected to the connecting plate (2), a first cylinder (5) is fixedly connected to the rear side of the connecting plate (2), a moving plate (3) is fixedly connected between the output ends of the two first cylinders (5), and the moving plate (3) is slidably connected to the two sliding rods (4).

3. A comprehensive door sealing detection device according to claim 2, characterized in that: The rear side of the movable plate (3) is rotatably connected to a connecting piece (7), and the rear side of the connecting piece (7) is fixedly connected to two springs (6), and the front ends of the two springs (6) are fixedly connected to the movable plate (3).

4. A comprehensive door sealing detection device according to claim 3, characterized in that: The rear side of the connecting member (7) is rotatably connected to two clamping members (8).

5. The comprehensive detection device for vehicle door sealing according to claim 4, characterized in that: The rear sides of the two clamping members (8) are both fixedly connected with a protective pad (22).

6. The comprehensive detection device for vehicle door sealing according to claim 1, characterized in that: An air pump (16) is fixedly connected to the top of the rear side of the sliding block (15), and an air delivery pipe (17) is fixedly connected to the input end of the air pump (16).

7. The comprehensive detection device for vehicle door sealing according to claim 6, characterized in that: The front end of the air delivery pipe (17) passes through and extends to the front side of the sealing member (21), and the air delivery pipe (17) and the sealing member (21) are fixedly connected.

8. The comprehensive detection device for vehicle door sealing according to claim 6, characterized in that: The front end of the air delivery pipe (17) is fixedly connected with an air suction nozzle (18).

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