Clamp for detecting air tightness of automobile air inlet pipe

By designing a rotatable rectangular plate and annular fixing clamp, the problem of poor tilt angle fixing at the connection end of the automobile intake pipe in the prior art is solved, and more efficient pipeline fixing and detection is achieved, suitable for different sizes and angles Intake pipe.

CN222308598UActive Publication Date: 2025-01-07HUZHOU QIYU AUTO PARTS CO LTD
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Patent Information

Application Number
CN202420776981.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-01-07
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

The existing automotive air-tightness detection fixtures are poor when dealing with pipes with a certain inclination angle at the connection end, which may cause the pipe to be loose and affect the detection accuracy.

Method used

A fixture including a base, a rectangular groove, a moving mechanism, a clamping mechanism and a motor is designed. Through the rotation of the rectangular plate and the annular fixing plate, the annular fixing plate can be parallel to the connecting ends of the inclined angle at both ends of the automobile air intake pipe. This will better fix the pipe and clamp it by selecting the appropriate ply according to the pipe size by the T-slider and rectangular ply.

Benefits of technology

It improves the fixing safety of the fixture to the car's intake pipe, reduces the risk of pipe falling off, enhances the reliability and applicability of detection, and is suitable for air intake pipes of different sizes and inclination angles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile air inlet pipe production, and discloses an automobile air inlet pipe air tightness detection clamp comprising a pedestal, the upper surface of the pedestal is provided with a first rectangular groove, the rear side of the upper end of the left surface of the pedestal is fixedly provided with a placing box and a moving mechanism, and the moving mechanism is arranged in the first rectangular groove. The moving mechanism is used for adjusting the clamping mechanism and comprises a two-way threaded rod, the left end and the right end of the two-way threaded rod are rotationally installed on the left inner wall and the right inner wall of a first rectangular groove correspondingly, and a rectangular plate can rotate through a second motor, so that an annular fixing clamping plate arranged on the rectangular plate is driven to rotate; according to the fixture, the annular fixing clamping plate is parallel to the connecting ends, with certain inclination angles, at the two ends of the automobile air inlet pipe, so that the automobile air inlet pipe is better fixed and is not prone to falling off, the safety efficiency of the fixture is improved, and detection of the air tightness of the automobile air inlet pipe is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile intake pipe production, in particular to an air tightness detection fixture for automobile intake pipes. Background Art

[0002] In the prior art, for example, the utility model of patent CN217980669U includes a chuck and a clamp, wherein the clamp is provided with a plurality of clamps and is symmetrically distributed along the center line of the chuck, the clamp is movably connected to the chuck, and a plurality of the clamps can be independently movably connected to the chuck, specifically relating to the technical field of automobile intake pipe air tightness detection. The clamp for automobile intake pipe air tightness detection, after moving the hinge inside the hinge groove, causes the hinge to drive the clamp and the fixing seat to approach the pipe, during this process, since a plurality of clamps can be independently movably connected to the chuck, the clamp can be moved to clamp a plurality of bends of the pipe, when the clamp approaches the pipe, the clamp and the fixing seat are turned up by the hinge, one end of the pipe is inserted under the clamp, and then the clamp is turned back to its original position by the hinge to clamp the pipe, and during the process of bolting the seat body to the fixing groove, the clamp and the fixing seat will press down and press the pipe to prevent the pipe from loosening.

[0003] The number of clamps for detecting the air tightness of the automobile intake pipe in the above-mentioned technology can be selected according to the bends and length of the pipe. However, the two connecting ends of some automobile intake pipes have a certain inclination angle. When fixing the automobile intake pipe with a certain inclination angle at the two connecting ends, the fixing effect is not very good, which may cause the pipe to loosen, which is not conducive to the detection of the air tightness of the automobile intake pipe. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a fixture for detecting the air tightness of an automobile intake pipe, which has the function of making an annular fixing clamp parallel to the connecting ends with a certain inclination angle at both ends of the automobile intake pipe, so as to better fix the automobile intake pipe and make it less likely to fall off, thereby improving the safety and efficiency of the fixture and being beneficial to the detection of the air tightness of the automobile intake pipe. It solves the problem that the two connecting ends of some automobile intake pipes have a certain inclination angle, and when the automobile intake pipes with two connecting ends with a certain inclination angle are fixed, the fixing effect is not very good, which may cause the pipe to loosen, which is not conducive to the detection of the air tightness of the automobile intake pipe.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solution: a fixture for detecting air tightness of an automobile intake pipe, comprising a base, a first rectangular groove is provided on the upper surface of the base, and a placement box is fixedly installed on the rear side of the upper end of the left surface of the base;

[0008] A moving mechanism, which is arranged inside the first rectangular groove and is used to adjust the clamping mechanism. The moving mechanism comprises a bidirectional threaded rod, and the left and right ends of the bidirectional threaded rod are respectively rotatably mounted on the left and right inner walls of the first rectangular groove;

[0009] A clamping mechanism is arranged on the upper surface of the base, and is used to clamp the automobile air intake pipe. The clamping mechanism includes a rectangular plate, which is arranged on the upper surface of the base and contacts the upper surface of the base. A T-shaped groove is opened on the front surface of the rectangular plate, and the rear end of the T-shaped groove extends to the rear surface of the rectangular plate. Two T-shaped sliders are slidably connected inside the T-shaped groove. Two mounting plates are fixedly installed on the upper ends of the two T-shaped sliders, and the two mounting plates on the front side and the two mounting plates on the rear side are respectively arranged correspondingly.

[0010] Preferably, the clamping mechanism includes an annular fixing clamp plate, a fixing plate and a fixing rod, the front end of the annular fixing clamp plate is rotatably mounted between the two mounting plates on the front side, a fixing groove is provided on the left surface of the mounting plate on the left side of the two mounting plates on the rear side, and the right end of the fixing groove extends to the right surface of the mounting plate on the right side, the fixing plate is inserted into the inside of the fixing groove, a circular groove is provided on the upper surface of the right end of the fixing plate, and the fixing rod is inserted into the inside of the circular groove.

[0011] Preferably, the rear end of the annular fixing clamp is located between the two rear mounting plates, and the rear end of the annular fixing clamp is provided with a same fixing groove at the position corresponding to the fixing groove, the fixing plate is also slidably connected inside the same fixing groove, and a rubber pad matching it is fixedly installed on the inner surface of the lower end of the annular fixing clamp.

[0012] Preferably, a second rectangular groove is opened on the left inner wall of the T-slot transverse groove, a rectangular clamping plate is arranged inside the second rectangular groove, the rectangular clamping plate is slidably connected to the inner wall of the second rectangular groove, fixing bolts are arranged at the front and rear ends of the left surface of the rectangular plate, and one end of the two fixing bolts are threaded into the interior of the second rectangular groove and are in contact with the rectangular clamping plate.

[0013] Preferably, there are two clamping mechanisms in total, and the two clamping mechanisms are arranged in left and right mirror images.

[0014] Preferably, the moving mechanism includes a first motor and two moving sliders. The first motor is fixedly mounted on the left surface of the base at a position corresponding to the first rectangular groove, and the output end of the first motor rotates through the interior of the first rectangular groove and is fixedly connected to the left end of the bidirectional threaded rod. The two moving sliders are both threadedly connected to the outer surface of the bidirectional threaded rod, and the upper surfaces of the two moving sliders are provided with installation grooves.

[0015] Preferably, a second motor is fixedly installed inside the two installation grooves, and the output ends of the two second motors are fixedly connected to the lower surfaces of the two rectangular plates respectively.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a fixture for detecting air tightness of automobile intake pipe, which has the following beneficial effects:

[0018] 1. The clamp for detecting air tightness of automobile air intake pipe can rotate the rectangular plate through the second motor, thereby driving the annular fixing clamp plate arranged on the rectangular plate to rotate, so that the annular fixing clamp plate is parallel to the connecting ends with a certain inclination angle at both ends of the automobile air intake pipe, so as to better fix the automobile air intake pipe, making the automobile air intake pipe less likely to fall off, thereby improving the safety efficiency of the clamp and facilitating the detection of air tightness of the automobile air intake pipe.

[0019] 2. The air tightness detection fixture for automobile air intake pipes can select an annular fixed clamp of a suitable size according to the size of the automobile air intake pipe to be clamped through a rectangular plate, a T-shaped slider and a rectangular clamp to clamp automobile air intake pipes of different sizes, thereby improving the applicability of the fixture and thus improving the working efficiency of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top view of the structure of a fixture for detecting air tightness of an automobile intake pipe according to the utility model;

[0021] Figure 2 This is a schematic diagram of the internal cutaway side view of a fixture for detecting air tightness of an automobile intake pipe according to the utility model;

[0022] Figure 3 This is a schematic diagram of the internal cutaway side view of the T-shaped slot of the utility model;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the T-shaped sliding block and the annular fixing clamp plate of the utility model.

[0024] In the figure: 1. base; 2. first rectangular groove; 3. placement box; 4. bidirectional threaded rod; 5. rectangular plate; 6. T-shaped groove; 7. T-shaped slider; 8. mounting plate; 9. annular fixing clamp; 10. fixing groove; 11. fixing plate; 12. fixing rod; 13. circular groove; 14. second rectangular groove; 15. rectangular clamp; 16. fixing bolt; 17. first motor; 18. moving slider; 19. mounting groove; 20. second motor; 21. rubber pad. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a new technical solution: a fixture for detecting air tightness of an automobile intake pipe, comprising a base 1, a first rectangular groove 2 is provided on the upper surface of the base 1, and a placement box 3 is fixedly installed on the rear side of the upper end of the left surface of the base 1;

[0027] A moving mechanism, which is arranged inside the first rectangular groove 2 and is used to adjust the clamping mechanism. The moving mechanism comprises a bidirectional threaded rod 4, and the left and right ends of the bidirectional threaded rod 4 are respectively rotatably mounted on the left and right inner walls of the first rectangular groove 2;

[0028] A clamping mechanism is arranged on the upper surface of the base 1. The clamping mechanism is used to clamp the automobile air intake pipe. The clamping mechanism includes a rectangular plate 5. The rectangular plate 5 is arranged on the upper surface of the base 1 and contacts the upper surface of the base 1. A T-shaped groove 6 is opened on the front surface of the rectangular plate 5, and the rear end of the T-shaped groove 6 extends to the rear surface of the rectangular plate 5. Two T-shaped sliders 7 are slidably connected inside the T-shaped groove 6. Two mounting plates 8 are fixedly installed on the upper ends of the two T-shaped sliders 7, and the two mounting plates 8 on the front side and the two mounting plates 8 on the rear side are respectively arranged correspondingly.

[0029] Furthermore, the clamping mechanism includes an annular fixing clamp plate 9, a fixing plate 11 and a fixing rod 12. The front end of the annular fixing clamp plate 9 is rotatably installed between the two mounting plates 8 on the front side. A fixing groove 10 is provided on the left surface of the mounting plate 8 on the left side of the two mounting plates 8 on the rear side, and the right end of the fixing groove 10 extends to the right surface of the mounting plate 8 on the right side. The fixing plate 11 is inserted into the inside of the fixing groove 10. A circular groove 13 is provided on the upper surface of the right end of the fixing plate 11, and the fixing rod 12 is inserted into the inside of the circular groove 13.

[0030] Furthermore, the rear end of the annular fixing clamp plate 9 is located between the two rear mounting plates 8, and the rear end of the annular fixing clamp plate 9 is provided with a same fixing groove 10 at the position corresponding to the fixing groove 10, and the fixing plate 11 is also slidably connected inside the same fixing groove 10, and a rubber pad 21 matching it is fixedly installed on the inner surface of the lower end of the annular fixing clamp plate 9.

[0031] Furthermore, a second rectangular groove 14 is opened on the left inner wall of the horizontal groove of the T-shaped groove 6, and a rectangular clamping plate 15 is arranged inside the second rectangular groove 14. The rectangular clamping plate 15 is slidingly connected to the inner wall of the second rectangular groove 14, and fixing bolts 16 are arranged at the front and rear ends of the left surface of the rectangular plate 5, and one end of the two fixing bolts 16 is threaded into the interior of the second rectangular groove 14 and both are in contact with the rectangular clamping plate 15.

[0032] Furthermore, through the rectangular plate 5, the T-shaped slider 7 and the rectangular clamp 15, the annular fixed clamp 9 of appropriate size can be selected according to the size of the automobile intake pipe to be clamped, so as to clamp automobile intake pipes of different sizes, thereby improving the applicability of the clamp and thus improving the working efficiency of the clamp.

[0033] Furthermore, there are two clamping mechanisms in total, and the two clamping mechanisms are arranged in left and right mirror images.

[0034] Furthermore, the moving mechanism includes a first motor 17 and two moving sliders 18. The first motor 17 is fixedly installed on the left surface of the base 1 at a position corresponding to the first rectangular groove 2, and the output end of the first motor 17 rotates and penetrates into the interior of the first rectangular groove 2, and is fixedly connected to the left end of the bidirectional threaded rod 4. The two moving sliders 18 are both threadedly connected to the outer surface of the bidirectional threaded rod 4, and the upper surfaces of the two moving sliders 18 are provided with installation grooves 19.

[0035] Furthermore, the second motors 20 are fixedly installed inside the two installation grooves 19 , and the output ends of the two second motors 20 are fixedly connected to the lower surfaces of the two rectangular plates 5 , respectively.

[0036] Furthermore, the rectangular plate 5 can be rotated by the second motor 20, thereby driving the annular fixing clamp 9 provided on the rectangular plate 5 to rotate, so that the annular fixing clamp 9 is parallel to the connecting ends with a certain inclination angle at both ends of the automobile intake pipe, so as to better fix the automobile intake pipe and make it less likely to fall off, thereby improving the safety efficiency of the clamp and facilitating the detection of the air tightness of the automobile intake pipe.

[0037] Working principle: when using this clamp, first select the annular fixing clamp plate 9 of the appropriate size according to the size of the automobile air intake pipe to be clamped, then push the two T-slots 6 on the rectangular plate 5 on the left side of the two T-slot slide blocks 7 into the inside, and when pushed to the appropriate position, screw the two fixing bolts 16, and the ends of the two fixing bolts 16 located in the second rectangular groove 14 continue to move into the second rectangular groove 14 to clamp and fix the two T-slot slide blocks 7 located in the T-slot 6. The installation on the right is the same. After the installation is completed, start the first motor 17, and the output end of the first motor 17 rotates to drive the bidirectional threaded rod 4 to rotate, and the bidirectional threaded rod 4 drives the moving slider 18 threadedly connected to its outer surface to approach, and when it moves to a position close to the automobile air intake pipe to be clamped, the automobile air intake pipe to be clamped is The inclination angle of the left and right connecting ends of the air pipe is used to select whether to start the two second motors 20. If there is an inclination angle, the two second motors 20 are started in sequence. The output end of the left second motor 20 rotates to drive the rectangular plate 5 on the left to start rotating, and then drives the annular fixing splint 9 set on the rectangular plate 5 to start rotating, so that the annular fixing splint 9 is parallel to the left connecting end of the automobile air intake pipe that needs to be clamped. After that, the left annular fixing splint 9 is pushed between the two mounting plates 8 at the rear end, the fixing plate 11 is pushed into the inside of the fixing groove 10, and the fixing rod 12 is inserted into the inside of the circular groove 13 to fix the annular fixing splint 9, so that the annular fixing splint 9 fixes the left end of the automobile air intake pipe that needs to be clamped, and the right end is the same. After completion, the automobile air intake pipe can be fixed.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for testing the air tightness of an automobile intake pipe, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a first rectangular groove (2), and a placement box (3) is fixedly installed on the rear side of the upper end of the left surface of the base (1); A moving mechanism, the moving mechanism is arranged inside the first rectangular groove (2), the moving mechanism is used to adjust the clamping mechanism, the moving mechanism comprises a bidirectional threaded rod (4), the left and right ends of the bidirectional threaded rod (4) are respectively rotatably mounted on the left and right inner walls of the first rectangular groove (2); A clamping mechanism is arranged on the upper surface of a base (1) and is used to clamp the automobile air intake pipe. The clamping mechanism comprises a rectangular plate (5). The rectangular plate (5) is arranged on the upper surface of the base (1) and contacts the upper surface of the base (1). A T-shaped groove (6) is provided on the front surface of the rectangular plate (5), and the rear end of the T-shaped groove (6) extends to the rear surface of the rectangular plate (5). Two T-shaped sliders (7) are slidably connected inside the T-shaped groove (6). Two mounting plates (8) are fixedly mounted on the upper ends of the two T-shaped sliders (7), and the two mounting plates (8) on the front side are respectively arranged corresponding to the two mounting plates (8) on the rear side.

2. The air tightness detection fixture for automobile intake pipe according to claim 1 is characterized in that: The clamping mechanism comprises an annular fixing clamp plate (9), a fixing plate (11) and a fixing rod (12); the front end of the annular fixing clamp plate (9) is rotatably mounted between the two mounting plates (8) on the front side; a fixing groove (10) is provided on the left surface of the mounting plate (8) on the left side of the two mounting plates (8) on the rear side, and the right end of the fixing groove (10) extends to the right surface of the mounting plate (8) on the right side; the fixing plate (11) is inserted into the fixing groove (10); a circular groove (13) is provided on the upper surface of the right end of the fixing plate (11); and the fixing rod (12) is inserted into the circular groove (13).

3. The air tightness detection fixture for automobile intake pipe according to claim 2 is characterized in that: The rear end of the annular fixing clamp plate (9) is located between the two rear mounting plates (8), and a same fixing groove (10) is provided at the rear end of the annular fixing clamp plate (9) at a position corresponding to the fixing groove (10), and the fixing plate (11) is also slidably connected inside the same fixing groove (10), and a rubber pad (21) matching the annular fixing clamp plate (9) is fixedly installed on the inner surface of the lower end.

4. The air tightness detection fixture for automobile intake pipe according to claim 1 is characterized in that: A second rectangular groove (14) is provided on the left inner wall of the transverse groove of the T-shaped groove (6), a rectangular clamping plate (15) is provided inside the second rectangular groove (14), and the rectangular clamping plate (15) is slidably connected to the inner wall of the second rectangular groove (14), and fixing bolts (16) are provided at both the front and rear ends of the left surface of the rectangular plate (5), and one end of the two fixing bolts (16) is threadedly rotated into the interior of the second rectangular groove (14) and both are in contact with the rectangular clamping plate (15).

5. The air tightness detection fixture for automobile intake pipe according to claim 1 is characterized in that: There are two clamping mechanisms in total, and the two clamping mechanisms are arranged in left and right mirror images.

6. The air tightness detection fixture for automobile intake pipe according to claim 5 is characterized in that: The moving mechanism comprises a first motor (17) and two moving sliders (18); the first motor (17) is fixedly mounted on the left surface of the base (1) at a position corresponding to the first rectangular groove (2); the output end of the first motor (17) rotates to penetrate into the interior of the first rectangular groove (2) and is fixedly connected to the left end of the bidirectional threaded rod (4); the two moving sliders (18) are both threadedly connected to the outer surface of the bidirectional threaded rod (4); and the upper surfaces of the two moving sliders (18) are each provided with a mounting groove (19).

7. The air tightness detection fixture for automobile air intake pipe according to claim 6 is characterized in that: A second motor (20) is fixedly installed inside each of the two installation grooves (19), and the output ends of the two second motors (20) are fixedly connected to the lower surfaces of the two rectangular plates (5), respectively.