Tail gas detection device

Abstract

The utility model relates to the technical field of tail gas detection, in particular to a tail gas detection device which comprises a detector, a connecting pipe is connected to the detector, a clamping assembly used for being stably connected with an automobile exhaust pipe is arranged on the connecting pipe, and the clamping assembly comprises an insertion pipe fixedly connected to the end, away from the detector, of the connecting pipe; the end, close to the connecting pipe, of the inserting pipe is fixedly connected with a fixing plate, through grooves are formed in the upper end and the lower end of the side wall of one side of the fixing plate, and two oppositely-arranged arc-shaped clamping plates are arranged on the side wall of the side, close to the connecting pipe, of the fixing plate. The insertion pipe is inserted into the exhaust pipe, the two-way lead screw is rotated, the sliding block drives the arc-shaped clamping plates to be close to each other and abut against the exhaust pipe, the insertion pipe is fixed in the exhaust pipe, and the problems that when an automobile exhausts, thrust is generated, a detection pipe is possibly pushed out, personnel need to insert the detection pipe again, and the working efficiency is reduced are solved as much as possible.

Description

Technical Field

[0001] This application relates to the technical field of exhaust gas detection, and particularly to an exhaust gas detection device. Background Art

[0002] The exhaust gas we mentioned mostly refers to automobile exhaust gas, that is, the waste gas discharged from the exhaust pipe of an automobile. Automobile exhaust gas is another major factor causing air pollution. Automobile exhaust gas contains carbon monoxide, nitrogen oxides and some other solid particles that have an adverse impact on the human body. Especially leaded gasoline is more harmful to the human body. The exhaust gas detection device is to detect whether the harmful gases in the exhaust gas exceed the standard.

[0003] The existing automobile exhaust gas detection device generally consists of a detection tube and a detector. The staff needs to insert the detection tube deep into the exhaust pipe, start the car, and then carry out the detection work on the exhaust gas. However, after the detection tube is inserted into the exhaust pipe, when the car exhausts, a thrust will be generated, which may push out the detection tube and requires the staff to insert it again, resulting in the problem of reduced work efficiency. Utility Model Content

[0004] The purpose of the present utility model is to solve or at least alleviate the problem that the existing automobile exhaust gas detection device generally consists of a detection tube and a detector. The staff needs to insert the detection tube deep into the exhaust pipe, start the car, and then carry out the detection work on the exhaust gas. However, after the detection tube is inserted into the exhaust pipe, when the car exhausts, a thrust will be generated, which may push out the detection tube and requires the staff to insert it again, resulting in the problem of reduced work efficiency.

[0005] To achieve the above purpose, the present utility model adopts the following technical solutions:

[0006] An exhaust gas detection device includes a detector, a connecting pipe is connected to the detector, and a clamping assembly for stably connecting with an automobile exhaust pipe is arranged on the connecting pipe. The clamping assembly includes an insertion pipe fixedly connected to one end of the connecting pipe away from the detector. A fixing plate is fixedly connected to one end of the insertion pipe close to the connecting pipe. Through grooves are formed at the upper and lower ends of one side side wall of the fixing plate. Two relatively arranged arc-shaped clamping plates are arranged on one side side wall of the fixing plate close to the connecting pipe. Sliders are fixedly connected to the upper and lower ends of one side side wall of the arc-shaped clamping plate close to the fixing plate. The sliders are respectively slidably arranged in the through grooves. A bidirectional lead screw is arranged in one of the through grooves. The two ends of the bidirectional lead screw respectively penetrate through the sliders and are rotatably connected to the side walls on both sides of the through groove. The sliders are in threaded connection with the bidirectional lead screw.

[0007] By adopting the above technical solution, during use, the insertion tube is inserted into the exhaust pipe, so that the two arc-shaped clamping plates are located at both outer ends of the exhaust pipe. Then, by rotating the bidirectional lead screw, the two sliders threadedly connected to the bidirectional lead screw approach each other, driving the two arc-shaped clamping plates to approach each other and abut against the outer wall of the exhaust pipe, fixing the insertion tube in the exhaust pipe, and minimizing the problem that when the vehicle exhausts, a thrust may be generated, which may push the detection tube out and require personnel to re-insert it, resulting in a reduction in work efficiency.

[0008] Optionally, the connecting pipe is divided into a main delivery pipe and two auxiliary delivery pipes. One end of the main delivery pipe is fixedly connected with a tee pipe. Both ends of the tee pipe away from the main delivery pipe are detachably connected to the auxiliary delivery pipes through connectors. One end of each of the two auxiliary delivery pipes away from the tee pipe is connected with the clamping assembly.

[0009] By adopting the above technical solution, when the detected vehicle is equipped with double exhaust pipes, the two auxiliary delivery pipes can simultaneously connect the two exhaust pipes through the clamping assembly, and then the exhaust gas discharged from the two exhaust pipes is conveyed to the detector through the tee pipe through the main delivery pipe for detection, improving the applicability of the device.

[0010] Optionally, the connector includes fixed pipes fixedly connected to both ends of the tee pipe. The auxiliary delivery pipes are both located inside the fixed pipes. Fixed bolts are provided on one side side wall of each fixed pipe. The output end of the fixed bolt penetrates through the fixed pipe and is threadedly connected to the auxiliary delivery pipe.

[0011] By adopting the above technical solution, by removing the fixed bolts from the fixed pipes, the auxiliary delivery pipes can be pulled out of the fixed pipes, facilitating replacement.

[0012] Optionally, a limiting rod is fixedly connected inside the through groove away from the bidirectional lead screw. The slider is slidably arranged on the limiting rod.

[0013] By adopting the above technical solution, the limiting rod can improve the sliding stability of the slider and enhance the clamping effect of the two arc-shaped clamping plates.

[0014] Optionally, a sealing plug is inserted into each end of the insertion tube away from the fixed plate. A pull ring is fixedly connected to one end of the sealing plug away from the insertion tube.

[0015] By adopting the above technical solution, when detecting a vehicle with a single exhaust pipe, one insertion tube can be inserted into the sealing plug for blocking to prevent leakage from the insertion tube during the conveyance of the exhaust gas.

[0016] Optionally, a support plate is fixedly connected to the bottom end of the side wall of the fixed plate away from the insertion tube. An electric telescopic rod is fixedly connected to the lower surface of the support plate, and a base is fixedly connected to the bottom end of the electric telescopic rod.

[0017] By adopting the above technical solution, by placing the base on the ground and starting the electric telescopic rod according to the height of the automobile exhaust pipe, the clamping assembly can be supported, improving the stability of the clamping assembly.

[0018] Optionally, an L-shaped handle is fixedly connected to the top end of the fixed plate.

[0019] By adopting the above technical solution, through the L-shaped handle, it is convenient to pick up and move the auxiliary delivery pipe.

[0020] Optionally, threaded rods are fixedly connected to the upper and lower ends of the side wall of one of the arc-shaped clamping plates away from the fixed plate. One end of the threaded rod away from the arc-shaped clamping plate penetrates through the other arc-shaped clamping plate and is threadedly connected with a nut.

[0021] By adopting the above technical solution, after the two arc-shaped clamping plates are abutted against the exhaust pipe, by rotating the nut on the threaded rod to make the nut close to the arc-shaped clamping plate, it is possible to prevent the ends of the two arc-shaped clamping plates away from the fixed plate from unfolding, improving the stability of the connection between the arc-shaped clamping plate and the exhaust pipe.

[0022] In summary, the beneficial effects of this application are as follows:

[0023] 1. Through the cooperation of structures such as the insertion tube, the arc-shaped clamping plate and the bidirectional lead screw in this application, when in use, the insertion tube is inserted into the exhaust pipe, so that the two arc-shaped clamping plates are located at both outer ends of the exhaust pipe. Then, by rotating the bidirectional lead screw, the two sliders threadedly connected to the bidirectional lead screw approach each other, driving the two arc-shaped clamping plates to approach each other and abut against the outer wall of the exhaust pipe, fixing the insertion tube in the exhaust pipe, and minimizing the problem that when the automobile exhausts, there may be a thrust that may push the detection tube out, requiring personnel to re-insert it, resulting in a reduction in work efficiency.

[0024] 2. When the detected automobile is equipped with a double exhaust pipe, the two auxiliary delivery pipes can be used to connect the two exhaust pipes simultaneously through the clamping assembly, and then the exhaust gas discharged from the two exhaust pipes is transported to the detector through the three-way pipe through the main delivery pipe for detection, improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0026] Figure 2 is a schematic diagram of the structure of the first sealing plate and the second sealing plate of the present utility model;

[0027] Figure 3 For the present utility model Figure 1 Schematic enlarged view of area A in

[0028] Explanation of reference numerals: 1, detector; 2, connecting pipe; 21, main delivery pipe; 22, auxiliary delivery pipe; 3, insertion pipe; 4, fixing plate; 5, through slot; 6, arc-shaped clamping plate; 7, slider; 8, bidirectional lead screw; 9, three-way pipe; 10, fixed pipe; 11, fixing bolt; 12, limiting rod; 13, sealing plug; 14, pull ring; 15, support plate; 16, electric telescopic rod; 17, base; 18, L-shaped handle; 19, threaded rod; 20, nut. Detailed implementation manners

[0029] The following further elaborates on this application Figures 1 - 3 in conjunction with the appended drawings.

[0030] Please refer to Figures 1 - 3 , a tail gas detection device, including a detector 1 for detecting vehicle tail gas, a connecting pipe 2 connected to the detector 1 for conveying vehicle tail gas into the detector 1, and a clamping assembly provided on the connecting pipe 2 for stably connecting to the vehicle exhaust pipe. The clamping assembly includes an insertion pipe 3 fixedly connected to the end of the connecting pipe 2 away from the detector 1 for inserting into the exhaust pipe for connection. One end of the insertion pipe 3 close to the connecting pipe 2 is fixedly connected with a fixing plate 4. The insertion pipe 3 is communicated with the connecting pipe 2. Through slots 5 are opened at the upper and lower ends of one side wall of the fixing plate 4. Two relatively arranged arc-shaped clamping plates 6 are provided on the side wall of the fixing plate 4 close to the connecting pipe 2 for fixing the fixing plate 4 at one end of the exhaust pipe. The exhaust pipe is located between the two arc-shaped clamping plates 6. Sliders 7 for sliding in the through slots 5 are fixedly connected to the upper and lower ends of the side wall of the arc-shaped clamping plate 6 close to the fixing plate 4. The sliders 7 are respectively slidably arranged in the through slots 5. A bidirectional lead screw 8 for driving two of the sliders 7 to move towards or away from each other is provided in one of the through slots 5. The two ends of the bidirectional lead screw 8 respectively penetrate through the sliders 7 and are rotatably connected to the side walls of the two sides of the through slot 5. The sliders 7 are threadedly connected to the bidirectional lead screw 8.

[0031] During use, insert the insertion pipe 3 into the exhaust pipe so that the two arc-shaped clamping plates 6 are located at the outer ends of both sides of the exhaust pipe. Then, by rotating the bidirectional lead screw 8, the two sliders 7 threadedly connected to the bidirectional lead screw 8 move closer to each other, driving the two arc-shaped clamping plates 6 to move closer to each other and abut against the outer wall of the exhaust pipe, fixing the insertion pipe 3 in the exhaust pipe, and minimizing the problem that when the vehicle exhausts, a thrust may be generated, which may push the detection pipe out, requiring personnel to re-insert it, resulting in a reduction in work efficiency.

[0032] Refer to Figure 1, the connecting pipe 2 is divided into a main delivery pipe 21 and two auxiliary delivery pipes 22. One end of the main delivery pipe 21 is fixedly connected with a tee pipe 9. Both ends of the tee pipe 9 far from the main delivery pipe 21 are detachably connected with the auxiliary delivery pipes 22 through connectors. One end of each of the two auxiliary delivery pipes 22 far from the tee pipe 9 is connected with a clamping assembly. When the detected vehicle is equipped with double exhaust pipes, the two auxiliary delivery pipes 22 can simultaneously connect the two exhaust pipes through the clamping assembly, and then the exhaust gas discharged from the two exhaust pipes is conveyed from the main delivery pipe 21 to the detector 1 through the tee pipe 9 for detection, improving the applicability of the device.

[0033] Refer to Figure 3 , the connector includes fixed pipes 10 fixedly connected to both ends of the tee pipe 9. The auxiliary delivery pipes 22 are both located inside the fixed pipes 10. Fixed bolts 11 are provided on one side wall of each fixed pipe 10. The output end of the fixed bolt 11 penetrates through the fixed pipe 10 and is threadedly connected with the auxiliary delivery pipe 22. By removing the fixed bolt 11 from the fixed pipe 10, the auxiliary delivery pipe 22 can be pulled out of the fixed pipe 10, facilitating replacement.

[0034] Refer to Figure 2 , a limiting rod 12 is fixedly connected inside the through groove 5 far from the bidirectional lead screw 8. The slider 7 is slidably arranged on the limiting rod 12. The limiting rod 12 can improve the sliding stability of the slider 7 and the clamping effect of the two arc-shaped clamping plates 6.

[0035] Refer to Figure 2 , a sealing plug 13 is inserted into each end of the insertion pipe 3 far from the fixing plate 4. A pull ring 14 is fixedly connected to one end of the sealing plug 13 far from the insertion pipe 3. When detecting a vehicle with a single exhaust pipe, one insertion pipe 3 can be inserted into the sealing plug 13 for blocking to prevent leakage from the insertion pipe 3 during the conveyance of exhaust gas.

[0036] Refer to Figure 1 , a support plate 15 is fixedly connected to the bottom end of one side wall of the fixing plate 4 far from the insertion pipe 3. An electric telescopic rod 16 is fixedly connected to the lower surface of the support plate 15. A base 17 is fixedly connected to the bottom end of the electric telescopic rod 16. By placing the base 17 on the ground and starting the electric telescopic rod 16 according to the height of the vehicle exhaust pipe, the clamping assembly can be supported, improving the stability of the clamping assembly.

[0037] Refer to Figure 1 , an L-shaped handle 18 is fixedly connected to the top end of the fixing plate 4. Through the L-shaped handle 18, it is convenient to pick up and move the auxiliary delivery pipe 22.

[0038] Refer to Figure 2, one side wall of the arc-shaped splint 6 away from the fixed plate 4 is fixedly connected with threaded rods 19 at the upper and lower ends. One end of the threaded rod 19 away from the arc-shaped splint 6 penetrates through the other arc-shaped splint 6 and is threadedly connected with a nut 20. After the two arc-shaped splints 6 are abutted against the exhaust pipe, by rotating the nut 20 on the threaded rod 19 to make the nut 20 close to the arc-shaped splint 6, the ends of the two arc-shaped splints 6 away from the fixed plate 4 can be prevented from unfolding, improving the stability of the connection between the arc-shaped splint 6 and the exhaust pipe.

[0039] The implementation principle of this application is as follows: During use, the insertion tube 3 is inserted into the exhaust pipe so that the two arc-shaped splints 6 are located at both outer ends of the exhaust pipe. Then, by rotating the bidirectional lead screw 8, the two sliders 7 threadedly connected to the bidirectional lead screw 8 approach each other, driving the two arc-shaped splints 6 to approach each other and abut against the outer wall of the exhaust pipe, fixing the insertion tube 3 in the exhaust pipe, and minimizing the problem that when the vehicle exhausts, a thrust may be generated, which may push the detection tube out and require personnel to re-insert it, resulting in a reduction in work efficiency.

[0040] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An exhaust gas detection device, comprising a detector (1), the detector (1) being connected to a connecting pipe (2), the connecting pipe (2) being provided with a clamping assembly for stably connecting to an automobile exhaust pipe, characterized in that: The clamping assembly comprises an insertion tube (3) fixedly connected to an end of the connecting tube (2) away from the detector (1); the insertion tube (3) is fixedly connected to a fixing plate (4) at one end close to the connecting tube (2); a through groove (5) is provided at the upper and lower ends of a side wall of one side of the fixing plate (4); a side wall of the fixing plate (4) close to the connecting tube (2) is provided with two arc-shaped clamping plates (6) arranged opposite to each other; the arc-shaped clamping plates (6) are fixedly connected to sliders (7) at the upper and lower ends of a side wall of a side close to the fixing plate (4); the sliders (7) are respectively slidably arranged in the through grooves (5); a bidirectional screw rod (8) is provided in one of the through grooves (5); the two ends of the bidirectional screw rod (8) respectively penetrate the slider (7) and are rotatably connected to the side walls of both sides of the through groove (5); the slider (7) is threadedly connected to the bidirectional screw rod (8).

2. An exhaust gas detection device according to claim 1, characterized in that: The connecting pipe (2) is divided into a main delivery pipe (21) and two auxiliary delivery pipes (22); one end of the main delivery pipe (21) is fixedly connected to a three-way pipe (9); both ends of the three-way pipe (9) away from the main delivery pipe (21) are detachably connected to the auxiliary delivery pipes (22) via connecting pieces; and one end of the two auxiliary delivery pipes (22) away from the three-way pipe (9) is connected to the clamping assembly.

3. An exhaust gas detection device according to claim 2, characterized in that: The connecting member comprises a fixed pipe (10) fixedly connected to both ends of the three-way pipe (9), the auxiliary delivery pipe (22) is located in the fixed pipe (10), a fixing bolt (11) is provided on a side wall of one side of the fixed pipe (10), and an output end of the fixing bolt (11) passes through the fixed pipe (10) and is threadedly connected to the auxiliary delivery pipe (22).

4. The exhaust gas detection device according to claim 2, characterized in that: A limit rod (12) is fixedly connected in the through slot (5) away from the bidirectional screw rod (8), and the sliding block (7) is slidably arranged on the limit rod (12).

5. The exhaust gas detection device according to claim 1, characterized in that: A sealing plug (13) is inserted into one end of the insertion tube (3) away from the fixing plate (4), and a pull ring (14) is fixedly connected to one end of the sealing plug (13) away from the insertion tube (3).

6. The exhaust gas detection device according to claim 1, characterized in that: A support plate (15) is fixedly connected to the bottom end of a side wall of the fixed plate (4) away from the insertion tube (3); an electric telescopic rod (16) is fixedly connected to the lower surface of the support plate (15); and a base (17) is fixedly connected to the bottom end of the electric telescopic rod (16).

7. The exhaust gas detection device according to claim 1, characterized in that: An L-shaped handle (18) is fixedly connected to the top end of the fixing plate (4).

8. The exhaust gas detection device according to claim 1, characterized in that: A threaded rod (19) is fixedly connected to the upper and lower ends of the side wall of one of the arc-shaped clamping plates (6) away from the fixed plate (4), and one end of the threaded rod (19) away from the arc-shaped clamping plate (6) passes through the other arc-shaped clamping plate (6) and is threadedly connected to a nut (20).

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