Automobile exhaust pipe air tightness detection device

Abstract

The utility model relates to the technical field of exhaust pipes, and provides an automobile exhaust pipe airtightness detection device comprising a pedestal, a lifting assembly arranged at the top of the pedestal, and a driving assembly, the top of the pedestal is fixedly provided with a mounting rack, a transparent box and a gas transmission structure, and the transparent box and the gas transmission structure are located at the inner side of the mounting rack. The driving assembly is arranged on the lifting assembly, the placing assembly is arranged on the lifting assembly, the driving assembly is in threaded connection with two inverted-T-shaped plates, and the placing assembly is located between the two inverted-T-shaped plates. Detection personnel do not need to stare at the transparent box at any time, so that the workload and fatigue degree of the detection personnel can be reduced, and the detection efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust pipes, and specifically to an air tightness detection device for automobile exhaust pipes. Background Art

[0002] The exhaust pipe is a part of the engine's exhaust system. The exhaust system mainly includes the exhaust manifold, exhaust pipe and muffler. Generally, a three-way catalytic converter for controlling engine pollutant emissions is also installed in the exhaust system. The exhaust pipe generally includes a front exhaust pipe and a rear exhaust pipe.

[0003] The known Chinese public authorized utility model CN215296579U discloses an automobile exhaust pipe air tightness detection device, including a working platform, a transparent water tank is provided on the top of the working platform, a lifting plate is provided above the transparent water tank, a guide rod and a first screw rod are provided on both sides of the transparent water tank, the guide rod passes through the lifting plate, the first screw rod is threadedly connected to the lifting plate, and the bottom end of the first screw rod is connected to the first motor; an L-shaped bracket is provided at the bottom of the lifting plate, a support seat is provided on the L-shaped bracket, and slide plates are provided on both sides of the support seat, the tops of the two slide plates pass through the lifting plate respectively, the lifting plate is provided with a long strip sliding hole for the slide plates to pass through, a second motor is provided on the top of the lifting plate, the second motor is connected to the second screw rod, and the two slide plates are threadedly connected to the second screw rod; the inner sides of the two slide plates are respectively provided with sealing plugs, and an air guide pipe is passed through the sealing plug, and the air guide pipe is connected to the compressed gas generating device. The utility model is a kind of automobile exhaust pipe air tightness detection device, which is easy to operate and is conducive to improving the detection efficiency.

[0004] However, in the implementation of relevant technologies, it was found that the above scheme has the following problems: during the use of the prior art, the inspector needs to stare at the water tank all the time, which will cause the inspector to become dizzy and too tired, thereby reducing the detection efficiency. Therefore, a vehicle exhaust pipe air tightness detection device is needed. Utility Model Content

[0005] The utility model provides an automobile exhaust pipe air tightness detection device, which solves the problem in the related art that a detection personnel needs to stare at a water tank all the time, which causes the detection personnel to become dizzy and overly tired, thereby reducing the detection efficiency.

[0006] The technical solution of the utility model is as follows: an automobile exhaust pipe air tightness detection device comprises: a base, a mounting frame, a transparent box and a gas delivery structure are fixedly mounted on the top of the base, and the transparent box and the gas delivery structure are both located on the inner side of the mounting frame;

[0007] A lifting assembly, wherein the lifting assembly is arranged on the top of the base;

[0008] A driving assembly, wherein the driving assembly is arranged on the lifting assembly;

[0009] A placing component, wherein the placing component is arranged on the lifting component;

[0010] Two inverted T-plates are threadedly connected to the driving assembly, and the placement assembly is located in the middle of the two inverted T-plates. The output end of the gas transmission structure is fixedly connected to one of the inverted T-plates. T-shaped rubber plugs are fixedly installed on one side of the two inverted T-plates. One of the inverted T-plates and the T-shaped rubber plug are provided with round holes, and the two round holes are connected;

[0011] A U-shaped plate is provided at the bottom of the base, both ends of the U-shaped plate pass through two strip grooves opened on the base, cameras are fixedly installed on both sides of the inner wall of the U-shaped plate, a buzzer and a warning light are fixedly installed on the inner bottom wall of the mounting frame, an L-shaped column is fixedly installed on one side of the base, a controller is fixedly installed on the top of the L-shaped column, and the camera, the buzzer, the warning light, the lifting assembly, the driving assembly, the placement assembly and the gas transmission structure are all electrically connected to the controller.

[0012] Preferably, two groups of bearing seats are fixedly installed on the bottom of the base, and a reset screw and a first limit rod are rotatably installed on the two groups of bearing seats, and the U-shaped plate is located on the reset screw and the first limit rod, and the U-shaped plate is threadedly connected to the reset screw, and a first motor is fixedly installed on the bottom of the base through a fixing frame, and the output end of the first motor is fixedly connected to the reset screw.

[0013] Preferably, the lifting assembly includes a one-way screw and a second limiting rod installed on the top of the base, and the one-way screw and the base are rotatably connected, the outer side walls of the one-way screw and the second limiting rod are provided with a rectangular plate, the rectangular plate and the one-way screw are threadedly connected, a power structure is fixedly installed on the top of the base, and the power structure is connected to the one-way screw.

[0014] Preferably, the power structure includes a second motor fixedly mounted on the top of the base, a driving bevel gear is fixedly mounted on the output end of the second motor, a driven bevel gear is fixedly mounted on the outer side wall of the one-way screw, and the driving bevel gear and the driven bevel gear are meshingly connected.

[0015] Preferably, the placement assembly includes a mounting plate fixedly mounted on the top of the rectangular plate, an electric telescopic rod is fixedly mounted on the top of the mounting plate, and a U-shaped frame is fixedly mounted on the top of the electric telescopic rod.

[0016] Preferably, an arc-shaped groove is provided on one side of the inner wall of the U-shaped frame, and the arc-shaped groove is located below the rectangular plate.

[0017] Preferably, the driving assembly includes a bidirectional screw, and the bidirectional screw is arranged in a rectangular groove on the rectangular plate, both ends of the bidirectional screw are rotatably connected to the rectangular plate, the two inverted T-plates are threadedly connected to the bidirectional screw, the outer side wall of the bidirectional screw is fixedly installed with a driven spur gear, a third motor is fixedly installed on the top of the rectangular plate, the output end of the third motor is fixedly connected with a driving spur gear, and the driving spur gear and the driven spur gear are meshingly connected.

[0018] The working principle and beneficial effects of the utility model are:

[0019] By setting up the U-shaped plate, camera, buzzer, warning light, L-shaped column and controller, the device does not require the inspector to stare at the transparent box all the time during the inspection, thereby reducing the workload and fatigue of the inspector and improving the inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0022] Figure 2 This is a three-dimensional structural schematic diagram of the lifting assembly proposed in the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure when viewed from above proposed by the utility model;

[0024] Figure 4 This is a three-dimensional structural diagram of the placement components proposed in the utility model;

[0025] Figure 5 The utility model provides a schematic diagram of the cross-sectional three-dimensional structure of an inverted T-plate.

[0026] In the figure: 1. base; 2. mounting frame; 3. transparent box; 4. gas transmission structure;

[0027] 5. Lifting assembly; 51. One-way screw; 52. Rectangular plate; 53. Power structure; 5301. Second motor; 5302. Active bevel gear; 5303. Driven bevel gear;

[0028] 6. Driving assembly; 61. Bidirectional screw; 62. Third motor; 63. Active spur gear;

[0029] 7. Place components; 71. Mounting plate; 72. Electric telescopic rod; 73. U-shaped frame;

[0030] 8. Inverted T-plate; 9. T-shaped rubber plug; 10. U-shaped plate; 11. L-shaped column; 12. Camera; 13. Buzzer; 14. Warning light; 15. Controller; 16. Bearing seat; 17. Reset screw rod; 18. First limit rod; 19. First motor. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1

[0033] See also Figure 1 - Figure 5 , an automobile exhaust pipe air tightness detection device, comprising: a base 1, a mounting frame 2, a transparent box 3 and a gas delivery structure 4 are fixedly mounted on the top of the base 1, and the transparent box 3 and the gas delivery structure 4 are both located on the inner side of the mounting frame 2;

[0034] A lifting assembly 5, the lifting assembly 5 is arranged on the top of the base 1;

[0035] A driving assembly 6, wherein the driving assembly 6 is arranged on the lifting assembly 5;

[0036] A placing component 7, wherein the placing component 7 is arranged on the lifting component 5;

[0037] Two inverted T-plates 8 are threadedly connected to the driving component 6, and the placement component 7 is located in the middle of the two inverted T-plates 8. The output end of the gas transmission structure 4 is fixedly connected to one of the inverted T-plates 8. T-shaped rubber plugs 9 are fixedly installed on one side of the two inverted T-plates 8. One of the inverted T-plates 8 and the T-shaped rubber plug 9 are both provided with round holes, and the two round holes are connected;

[0038] A U-shaped plate 10 is provided at the bottom of the base 1, and both ends of the U-shaped plate 10 pass through two strip grooves opened on the base 1, cameras 12 are fixedly installed on both sides of the inner wall of the U-shaped plate 10, and a buzzer 13 and a warning light 14 are fixedly installed on the inner bottom wall of the mounting frame 2, an L-shaped column 11 is fixedly installed on one side of the base 1, and a controller 15 is fixedly installed on the top of the L-shaped column 11, and the camera 12, the buzzer 13, the warning light 14, the lifting assembly 5, the driving assembly 6, the placement assembly 7 and the gas transmission structure 4 are all electrically connected to the controller 15.

[0039] The utility model provides an automobile exhaust pipe air tightness detection device. When in use, the exhaust pipe is manually placed on the placement component 7, and then the controller 15 controls the driving component 6 to drive the two inverted T-plates 8 to move and clamp the two sides of the exhaust pipe. While clamping, the raised ends of the T-shaped rubber plugs 9 on the inverted T-plates 8 are inserted into the exhaust pipe, so that the exhaust pipe can be stably fixed on the placement component 7, and at the same time, it is also convenient to seal the two ends of the exhaust pipe. Then, the controller 15 controls the lifting component 5 to drive the clamped exhaust pipe to descend, and the exhaust pipe is extended into the water on the inner wall of the transparent box 3, and then air is blown into the exhaust pipe through the air delivery structure 4 and the circular hole. At the same time, the camera 12 on the U-shaped plate 10 is used to monitor whether there is air bubble overflow in the transparent box 3. When air bubbles are moved out, the controller 15 controls the buzzer 13 and the warning light 14 to issue a reminder, so that the detection personnel do not need to stare at the transparent box 3 all the time, thereby reducing the workload and fatigue of the detection personnel and improving the detection efficiency.

[0040] Furthermore, the lifting assembly 5 includes a one-way screw 51 and a second limiting rod installed on the top of the base 1, and the one-way screw 51 is rotatably connected to the base 1. A rectangular plate 52 is provided on the outer side wall of the one-way screw 51 and the second limiting rod. The rectangular plate 52 and the one-way screw 51 are threadedly connected. A power structure 53 is fixedly installed on the top of the base 1, and the power structure 53 and the one-way screw 51 are connected.

[0041] Specifically, the one-way screw 51 is driven to rotate by the power structure 53, and then the rotating one-way screw 51, with the cooperation of the second limit rod, can stably drive the rectangular plate 52 threadedly connected to its outer wall to descend, so that the exhaust pipe can be extended into the transparent box 3 for air tightness detection.

[0042] Furthermore, the power structure 53 includes a second motor 5301 fixedly mounted on the top of the base 1, a driving bevel gear 5302 is fixedly mounted on the output end of the second motor 5301, a driven bevel gear 5303 is fixedly mounted on the outer wall of the one-way screw 51, and the driving bevel gear 5302 and the driven bevel gear 5303 are meshingly connected.

[0043] Specifically, the second motor 5301 drives the active bevel gear 5302 to rotate, and then the rotating active bevel gear 5302 drives the driven bevel gear 5303 meshingly connected therewith, so that the one-way screw 51 can rotate.

[0044] Furthermore, the placement component 7 includes a mounting plate 71 fixedly mounted on the top of the rectangular plate 52 , an electric telescopic rod 72 fixedly mounted on the top of the mounting plate 71 , and a U-shaped frame 73 fixedly mounted on the top of the electric telescopic rod 72 .

[0045] Specifically, the exhaust pipe is manually placed on the U-shaped frame 73, which facilitates the subsequent clamping, lifting and testing of the exhaust pipe. The U-shaped frame 73 is driven to rise and fall by the electric telescopic rod 72, so as to facilitate the adjustment of the height of the exhaust pipe on the U-shaped frame 73, thereby ensuring that the raised ends of the T-shaped rubber plug 9 can be inserted into the two ends of the exhaust pipe.

[0046] Furthermore, an arc-shaped groove is formed on one side of the inner wall of the U-shaped frame 73 , and the arc-shaped groove is located below the rectangular plate 52 .

[0047] Specifically, the arc-shaped groove prevents the exhaust pipe from rolling down when it is placed on the U-shaped frame 73 .

[0048] Furthermore, the driving assembly 6 includes a bidirectional screw 61, and the bidirectional screw 61 is arranged in a rectangular groove on the rectangular plate 52, both ends of the bidirectional screw 61 are rotatably connected to the rectangular plate 52, the two inverted T plates 8 are threadedly connected to the bidirectional screw 61, the outer side wall of the bidirectional screw 61 is fixedly installed with a driven spur gear, the top of the rectangular plate 52 is fixedly installed with a third motor 62, the output end of the third motor 62 is fixedly connected with a driving spur gear 63, and the driving spur gear 63 is meshingly connected with the driven spur gear.

[0049] Specifically, the third motor 62 drives the active spur gear 63 to rotate, and then the rotating active spur gear 63 drives the bidirectional screw 61 through the driven spur gear meshing with it, so that the bidirectional screw 61 can drive the two inverted T-plates 8 threadedly connected to its outer wall to move closer to or away from each other.

[0050] Embodiment 2

[0051] Based on the first embodiment, the present embodiment includes: two groups of bearing seats 16 are fixedly installed at the bottom of the base 1, and a reset screw 17 and a first limit rod 18 are rotatably installed on the two groups of bearing seats 16, and the U-shaped plate 10 is located on the reset screw 17 and the first limit rod 18, and the U-shaped plate 10 is threadedly connected to the reset screw 17. A first motor 19 is fixedly installed at the bottom of the base 1 through a fixed frame, and the output end of the first motor 19 is fixedly connected to the reset screw 17.

[0052] The technical solution provided by this embodiment is: the first motor 19 is controlled to start by the controller 15, so that the first motor 19 can drive the reset screw 17 to rotate, and then the rotating reset screw 17 can stably drive the U-shaped plate 10 threadedly connected to its outer wall to move with the cooperation of the first limit rod 18, thereby improving the monitoring range and monitoring effect of the camera 12.

[0053] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automobile exhaust pipe air tightness detection device, characterized in that: include: A base (1), wherein a mounting frame (2), a transparent box (3) and a gas delivery structure (4) are respectively fixedly mounted on the top of the base (1), and the transparent box (3) and the gas delivery structure (4) are both located on the inner side of the mounting frame (2); A lifting component (5), wherein the lifting component (5) is arranged on the top of the base (1); A driving assembly (6), wherein the driving assembly (6) is arranged on the lifting assembly (5); A placing component (7), wherein the placing component (7) is arranged on the lifting component (5); Two inverted T-plates (8) are threadedly connected to the driving component (6), and the placement component (7) is located between the two inverted T-plates (8). The output end of the gas transmission structure (4) is fixedly connected to one of the inverted T-plates (8). T-shaped rubber plugs (9) are fixedly installed on one side of the two inverted T-plates (8), and circular holes are formed on one of the inverted T-plates (8) and the T-shaped rubber plug (9), and the two circular holes are connected to each other; A U-shaped plate (10) is provided at the bottom of the base (1), both ends of the U-shaped plate (10) pass through two strip-shaped grooves provided on the base (1), cameras (12) are fixedly mounted on both sides of the inner wall of the U-shaped plate (10), a buzzer (13) and a warning light (14) are fixedly mounted on the inner bottom wall of the mounting frame (2), an L-shaped column (11) is fixedly mounted on one side of the base (1), a controller (15) is fixedly mounted on the top of the L-shaped column (11), and the camera (12), the buzzer (13), the warning light (14), the lifting component (5), the driving component (6), the placement component (7) and the gas transmission structure (4) are all electrically connected to the controller (15).

2. The vehicle exhaust pipe air tightness detection device according to claim 1, characterized in that: Two groups of bearing seats (16) are fixedly mounted on the bottom of the base (1), and reset screws (17) and first limit rods (18) are rotatably mounted on the two groups of bearing seats (16), and the U-shaped plate (10) is located on the reset screw (17) and the first limit rod (18), and the U-shaped plate (10) is threadedly connected to the reset screw (17). A first motor (19) is fixedly mounted on the bottom of the base (1) through a fixing frame, and an output end of the first motor (19) is fixedly connected to the reset screw (17).

3. The vehicle exhaust pipe air tightness detection device according to claim 1, characterized in that: The lifting assembly (5) comprises a one-way screw (51) and a second limiting rod installed on the top of the base (1), and the one-way screw (51) is rotatably connected to the base (1). The outer side walls of the one-way screw (51) and the second limiting rod are provided with a rectangular plate (52), and the rectangular plate (52) and the one-way screw (51) are threadedly connected. A power structure (53) is fixedly installed on the top of the base (1), and the power structure (53) is connected to the one-way screw (51).

4. The vehicle exhaust pipe air tightness detection device according to claim 3, characterized in that: The power structure (53) comprises a second motor (5301) fixedly mounted on the top of the base (1); a driving bevel gear (5302) is fixedly mounted on the output end of the second motor (5301); a driven bevel gear (5303) is fixedly mounted on the outer side wall of the one-way screw (51); and the driving bevel gear (5302) and the driven bevel gear (5303) are meshingly connected.

5. The automobile exhaust pipe air tightness detection device according to claim 3 is characterized in that: The placement assembly (7) comprises a mounting plate (71) fixedly mounted on the top of the rectangular plate (52), an electric telescopic rod (72) fixedly mounted on the top of the mounting plate (71), and a U-shaped frame (73) fixedly mounted on the top of the electric telescopic rod (72).

6. The vehicle exhaust pipe air tightness detection device according to claim 5, characterized in that: An arc-shaped groove is provided on one side of the inner wall of the U-shaped frame (73), and the arc-shaped groove is located below the rectangular plate (52).

7. The vehicle exhaust pipe air tightness detection device according to claim 6, characterized in that: The driving assembly (6) comprises a bidirectional screw (61), and the bidirectional screw (61) is arranged in a rectangular groove on the rectangular plate (52), both ends of the bidirectional screw (61) are rotatably connected to the rectangular plate (52), the two inverted T plates (8) are threadedly connected to the bidirectional screw (61), a driven spur gear is fixedly installed on the outer side wall of the bidirectional screw (61), a third motor (62) is fixedly installed on the top of the rectangular plate (52), an output end of the third motor (62) is fixedly connected to a driving spur gear (63), and the driving spur gear (63) is meshingly connected with the driven spur gear.

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