Automobile detection waste gas sampling device

Abstract

The utility model discloses an automobile detection waste gas sampling device which comprises a movable block, a fixing mechanism is arranged in the movable block, the fixing mechanism comprises a fixing groove formed in the side face of the movable block, lifting plates are arranged at the top and the bottom of the fixing groove, and first air bags are connected to the bottoms of the lifting plates. Second air bags are connected to the inner walls of the two faces of the fixing groove, fixing pipes are connected to the top of the first air bag and one faces of the second air bags, and the other ends of the fixing pipes extend out of the movable block. Through the arrangement of the first air bag, the device is placed at an automobile exhaust pipe, the exhaust pipe is inserted into the movable block, the first motor is started, the first motor drives the first lead screw to rotate, the first lead screw drives the connecting plate to move, the connecting plate drives the lifting plate to move, and the lifting plate drives the first air bag to move to the exhaust pipe. The first air bag and the second air bag are sequentially inflated through the fixing pipe, so that the first air bag and the second air bag drive the soft woolen yarn to fill the gap between the device and the tail gas pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile exhaust gas sampling devices, in particular to an automobile exhaust gas sampling device. Background Art

[0002] When inspecting a car, an exhaust gas sampling device is required to sample and test the exhaust gas of the car. For example, the utility model patent with application number 202222207468.0 is named as an automobile exhaust gas sampling device. When sampling the exhaust gas from the exhaust pipe of the car, the sampler is inserted into the exhaust pipe, and then the piston is used to absorb the exhaust gas in the exhaust pipe, so that the absorbed exhaust gas can flow into the sampling bottle through the conduit. After the sampling bottle collects a certain amount of exhaust gas, the rotating plate on the conduit is rotated so that the rotating plate can The baffle is rotated to an angle to block the exhaust gas, and the locking assembly is used to lock the angle of the baffle after rotation. Then the sampling bottle is removed from the conduit, thereby avoiding as much as possible that the exhaust gas remaining in the conduit is discharged into the air to pollute the air when the sampling bottle is disassembled after the sampling is completed, thereby improving the efficiency of environmental protection. However, when the patented device detects automobile exhaust gas, a large amount of exhaust gas will leak through the gap due to the gap between the device and the tail pipe, affecting the accuracy of the device in detecting automobile exhaust gas. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a vehicle exhaust gas sampling device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A vehicle exhaust gas sampling device comprises a movable block, a fixing mechanism is arranged inside the movable block, the fixing mechanism comprises a fixing groove opened on the side of the movable block, a lifting plate is arranged on the top and bottom of the fixing groove, an airbag 1 is connected to the bottom of the lifting plate, airbag 2 is connected to the two inner walls of the fixing groove, a fixing tube is connected to the top of airbag 1 and one side of airbag 2, the other end of the fixing tube extends to the outside of the movable block, and soft wool thread is evenly connected to the surfaces of airbag 1 and airbag 2.

[0006] Preferably, the bottom outer wall of the movable block is connected to motor 1, the output shaft of motor 1 is connected to screw rod 1, the other end of screw rod 1 is rotatably connected to the top inner wall of the fixed groove, the circumferential side surface of screw rod 1 is threadedly connected to a connecting plate aligned with the lifting plate, the side surface of the connecting plate is slidably connected to the side inner wall of the fixed groove, and the other side of the connecting plate is connected to the side surface of the lifting plate.

[0007] Preferably, a connecting block is slidably connected between the two outer walls of the movable block, a movable groove is opened on the side of the connecting block, a screw rod three is rotatably connected between the two sides of the movable groove, a movable plate is threadedly connected to the circumferential side of the screw rod three, and the bottom of the movable plate is slidably connected to the bottom inner wall of the movable groove.

[0008] Preferably, a connecting tube is connected between the two surfaces of the connecting block, a moving tube aligned with the connecting tube is connected to the side of the moving plate, the other end of the moving tube extends to the outside of the connecting block, the circumferential side surface of the connecting tube is slidably connected to the inside of the moving tube, and openings aligned with the moving tube are evenly provided between the inner wall and the outer wall of the circumferential side surface of the connecting tube.

[0009] Preferably, the circumferential side of the movable tube is connected to a soft plate, the circumferential side of the movable tube is evenly grooved, the inner wall of the circumferential side of the groove is slidably connected to a circular ring plate, a spring is connected between the bottom of the circular ring plate and the inner wall of the bottom of the groove, the inner wall of the circumferential side of the circular ring plate is connected to a movable column, and the other end of the movable column is connected to the soft plate.

[0010] Preferably, a side block is provided on the side of the movable block, a lifting groove is opened on the side of the side block, the top of the lifting groove is connected to motor 2, the output shaft of motor 2 is connected to screw rod 2, and the other end of screw rod 2 is rotatably connected to the bottom inner wall of the lifting groove.

[0011] Preferably, the circumferential side surface of the screw rod 2 is threadedly connected with a lifting block, the side surface of the lifting block is slidably connected to the side surface of the lifting groove, and the side surface of the lifting block is connected to the side outer wall of the movable block.

[0012] Compared with the prior art, the utility model provides a vehicle exhaust gas sampling device, which has the following beneficial effects:

[0013] By setting up airbag one, the device is placed at the tail pipe of the car, the tail pipe is inserted into the movable block, and motor one is started. Motor one drives screw rod one to rotate, screw rod one drives connecting plate to move, connecting plate drives lifting plate to move, and lifting plate drives airbag one to move to the tail pipe, and inflates airbag one and airbag two in turn through the fixed tube, so that airbag one and airbag two drive the soft wool line to fill the gap between the device and the tail pipe, which is beneficial for the device to prevent a large amount of exhaust gas from leaking through the gap when detecting automobile exhaust gas, affecting the accuracy of the device in detecting automobile exhaust gas, and rotating screw rod three. , screw rod three drives the moving plate to move, and the moving plate drives the moving tube to move, which is beneficial to align the moving tube with multiple tail pipes, improves the applicability of the device, and sends the moving tube into the tail pipe. The spring pushes the circular plate to move, and the circular plate drives the moving column to move. The moving column drives the soft plate to support the moving tube, which is beneficial for the device to fix the moving tube in the tail pipe through the soft plate, so that when the tail pipe shakes during the operation of the car, the device remains tightly connected with the tail pipe, which is beneficial to use the connecting pipe to extract the exhaust gas in the tail pipe while cooperating with the sealing and fixing effect of airbag one and airbag two on the tail pipe to further prevent exhaust gas leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an automobile exhaust gas sampling device proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of an automobile exhaust gas sampling device proposed by the utility model;

[0016] Figure 3 This is a partial structural schematic diagram of a vehicle exhaust gas sampling device proposed by the utility model;

[0017] Figure 4 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1-movable block, 2-lifting plate, 3-fixed tube, 4-airbag 1, 5-connecting plate, 6-screw rod 1, 7-side block, 8-motor 2, 9-screw rod 2, 10-lifting slot, 11-lifting block, 12-motor 1, 13-screw rod 3, 14-moving plate, 15-connecting tube, 16-opening, 17-moving tube, 18-connecting block, 19-airbag 2, 20-spring, 21-circular ring plate, 22-slot, 23-moving column, 24-soft plate. DETAILED DESCRIPTION

[0019] Embodiment 1:

[0020] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A vehicle exhaust gas sampling device includes a movable block 1, a fixing mechanism is arranged inside the movable block 1, the fixing mechanism includes a fixing groove opened on the side of the movable block 1, a lifting plate 2 is arranged on the top and bottom of the fixing groove, an airbag 1 4 is connected to the bottom of the lifting plate 2, both inner walls of the fixing groove are connected to airbag 2 19, the top of airbag 1 4 and one side of airbag 2 19 are connected to a fixing tube 3, the other end of the fixing tube 3 extends to the outside of the movable block 1, and the surfaces of airbag 1 4 and airbag 2 19 are evenly connected with soft wool thread.

[0021] In the utility model, the bottom outer wall of the movable block 1 is connected to a motor 12, the output shaft of the motor 12 is connected to a screw rod 6, the other end of the screw rod 6 is rotatably connected to the top inner wall of the fixed groove, the circumferential side surface of the screw rod 6 is threadedly connected to a connecting plate 5 aligned with the lifting plate 2, the side surface of the connecting plate 5 is slidably connected to the inner wall of the side surface of the fixed groove, and the other side of the connecting plate 5 is connected to the side surface of the lifting plate 2.

[0022] A connecting block 18 is slidably connected between the two outer walls of the movable block 1, a movable groove is opened on the side of the connecting block 18, a screw rod 3 13 is rotatably connected between the two sides of the movable groove, a movable plate 14 is threadedly connected to the circumferential side of the screw rod 3 13, and the bottom of the movable plate 14 is slidably connected to the bottom inner wall of the movable groove.

[0023] A connecting tube 15 is connected between the two surfaces of the connecting block 18, a moving tube 17 aligned with the connecting tube 15 is connected to the side of the moving plate 14, the other end of the moving tube 17 extends to the outside of the connecting block 18, the circumferential side surface of the connecting tube 15 is slidably connected to the inside of the moving tube 17, and openings 16 aligned with the moving tube 17 are evenly opened between the inner wall and the outer wall of the circumferential side surface of the connecting tube 15.

[0024] The circumferential side of the movable tube 17 is connected to a soft plate 24, and the circumferential side of the movable tube 17 is evenly provided with grooves 22. The inner wall of the circumferential side of the groove 22 is slidably connected to a circular ring plate 21, and a spring 20 is connected between the bottom of the circular ring plate 21 and the inner wall of the bottom of the groove 22. The inner wall of the circumferential side of the circular ring plate 21 is connected to a movable column 23, and the other end of the movable column 23 is connected to the soft plate 24.

[0025] A side block 7 is provided on the side of the movable block 1, and a lifting groove 10 is opened on the side of the side block 7. The top of the lifting groove 10 is connected to a motor 28, and the output shaft of the motor 28 is connected to a screw rod 29. The other end of the screw rod 29 is rotatably connected to the bottom inner wall of the lifting groove 10.

[0026] The circumferential side surface of the screw rod 2 9 is threadedly connected with a lifting block 11 , the side surface of the lifting block 11 is slidably connected to the side surface of the lifting groove 10 , and the side surface of the lifting block 11 is connected to the side outer wall of the movable block 1 .

[0027] Working principle: place the device at the tailpipe of the car, insert the tailpipe into the movable block 1, start the motor 12, the motor 12 drives the screw rod 16 to rotate, the screw rod 16 drives the connecting plate 5 to move, the connecting plate 5 drives the lifting plate 2 to move, the lifting plate 2 drives the airbag 14 to move to the tailpipe, and inflate the airbag 14 and the airbag 2 19 in turn through the fixed tube 3, so that the airbag 14 and the airbag 2 19 drive the soft wool line to fill the gap between the device and the tailpipe, which is beneficial for the device to prevent a large amount of exhaust gas from leaking through the gap when detecting automobile exhaust gas, affecting the accuracy of the device in detecting automobile exhaust gas, and rotating the screw rod 3 13, the screw rod 3 13 drives the movable block 14 to move to the tailpipe. The movable plate 14 moves, and the movable plate 14 drives the movable tube 17 to move, which is beneficial for the movable tube 17 to align with multiple exhaust pipes, improve the applicability of the device, and send the movable tube 17 into the exhaust pipe. The spring 20 pushes the annular plate 21 to move, and the annular plate 21 drives the movable column 23 to move, and the movable column 23 drives the soft plate 24 to support the movable tube 17, which is beneficial for the device to fix the movable tube 17 in the exhaust pipe through the soft plate 24, so that when the exhaust pipe shakes during the operation of the car, the device remains tightly connected with the exhaust pipe, which is beneficial for using the connecting pipe 15 to extract the exhaust gas in the exhaust pipe while cooperating with the sealing and fixing effect of airbag 1 4 and airbag 2 19 on the exhaust pipe to further prevent the leakage of exhaust gas.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automobile exhaust gas sampling device, comprising a movable block (1), characterized in that: The movable block (1) is provided with a fixing mechanism inside, the fixing mechanism comprising a fixing groove opened on the side of the movable block (1), the top and bottom of the fixing groove are provided with a lifting plate (2), the bottom of the lifting plate (2) is connected to an airbag 1 (4), the inner walls of both sides of the fixing groove are connected to airbag 2 (19), the top of airbag 1 (4) and one side of airbag 2 (19) are connected to a fixing tube (3), the other end of the fixing tube (3) extends to the outside of the movable block (1), and the surfaces of airbag 1 (4) and airbag 2 (19) are evenly connected with soft wool thread.

2. The exhaust gas sampling device for automobile detection according to claim 1, characterized in that: The bottom outer wall of the movable block (1) is connected to a motor 1 (12), the output shaft of the motor 1 (12) is connected to a screw rod 1 (6), the other end of the screw rod 1 (6) is rotatably connected to the top inner wall of the fixed groove, the circumferential side surface of the screw rod 1 (6) is threadedly connected to a connecting plate (5) aligned with the lifting plate (2), the side surface of the connecting plate (5) is slidably connected to the side inner wall of the fixing groove, and the other side of the connecting plate (5) is connected to the side surface of the lifting plate (2).

3. The exhaust gas sampling device for automobile detection according to claim 2, characterized in that: A connecting block (18) is slidably connected between the two outer walls of the movable block (1), a movable groove is provided on the side of the connecting block (18), a screw rod three (13) is rotatably connected between the two sides of the movable groove, a movable plate (14) is threadedly connected to the circumferential side of the screw rod three (13), and the bottom of the movable plate (14) is slidably connected to the bottom inner wall of the movable groove.

4. The exhaust gas sampling device for automobile detection according to claim 3, characterized in that: A connecting tube (15) is connected between the two surfaces of the connecting block (18), a moving tube (17) aligned with the connecting tube (15) is connected to the side surface of the moving plate (14), the other end of the moving tube (17) extends to the outside of the connecting block (18), the circumferential side surface of the connecting tube (15) is slidably connected to the inside of the moving tube (17), and openings (16) aligned with the moving tube (17) are evenly provided between the inner wall and the outer wall of the circumferential side surface of the connecting tube (15).

5. The exhaust gas sampling device for automobile detection according to claim 4, characterized in that: The circumferential side surface of the movable tube (17) is connected to a soft plate (24), the circumferential side surface of the movable tube (17) is evenly provided with grooves (22), the inner wall of the circumferential side surface of the groove (22) is slidably connected to a circular ring plate (21), a spring (20) is connected between the bottom of the circular ring plate (21) and the inner wall of the bottom of the groove (22), the inner wall of the circumferential side surface of the circular ring plate (21) is connected to a movable column (23), and the other end of the movable column (23) is connected to the soft plate (24).

6. The automobile exhaust gas sampling device according to claim 5, characterized in that: The movable block (1) is provided with a side block (7) on the side surface, and a lifting groove (10) is provided on the side surface of the side block (7). The top of the lifting groove (10) is connected to a second motor (8), and the output shaft of the second motor (8) is connected to a second screw rod (9), and the other end of the second screw rod (9) is rotatably connected to the bottom inner wall of the lifting groove (10).

7. The automobile exhaust gas sampling device according to claim 6, characterized in that: The circumferential side surface of the second screw rod (9) is threadedly connected to a lifting block (11), the side surface of the lifting block (11) is slidably connected to the side surface of the lifting groove (10), and the side surface of the lifting block (11) is connected to the side outer wall of the movable block (1).

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