Exhaust pipe connecting device for motor vehicle detection

Abstract

The utility model is applicable to the technical field of motor vehicle detection, and provides an exhaust pipe connecting device for motor vehicle detection, which comprises a sleeving pipe, a pipe fitting sleeving groove is arranged on the sleeving pipe, an anti-sticking coating is arranged on the inner wall of the sleeving pipe, a plurality of air-tight sealing strips are arranged on the sleeving pipe, and detector placing grooves are symmetrically arranged in the sleeving pipe. According to the automobile exhaust pipe, the technical problems are solved, the arrangement grooves are formed in the sleeving pipe, the arrangement grooves are annularly arranged, the fixing effect of the sleeving pipe on the exhaust pipe is improved through the arrangement of the anti-degumming ring and the air sealing strip, the falling phenomenon caused by automobile vibration is reduced, and the service life of the automobile exhaust pipe is prolonged. Meanwhile, the friction force between the sleeving pipe and the exhaust pipe can be effectively reduced through the anti-degumming ring, then the grabbing force is improved, meanwhile, the airtight sealing strip makes contact with the exhaust pipe, the internal air pressure can be effectively reduced, then the sleeving pipe is adsorbed to the exhaust pipe, the tail gas detection effect is improved, and compared with the prior art, errors of detection data can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor vehicle detection technical field, more specifically, it relates to motor vehicle detection exhaust pipe connecting device. BACKGROUND

[0002] The composition and concentration of exhaust gas discharged by motor vehicles under idling or working conditions are analyzed and measured on the spot or running test bench. A large amount of harmful exhaust gas discharged by motor vehicles is the main flow pollution source of ambient air, and exhaust gas detection is an important part of ambient air pollution monitoring. The main detection items are carbon monoxide, nitrogen oxides, hydrocarbons, photochemical oxidants and smoke.

[0003] At present, the automobile exhaust detection on the market usually inserts the detection device into the tail pipe, and then identifies whether the gas is qualified through the detection device in the hands of the personnel.

[0004] However, different detection methods have different problems. Although the plug-in detection is convenient for detection, it is not easy to fix during the detection process. The detection equipment may fall off from the tail pipe due to vehicle body vibration and human operation error, resulting in failure of exhaust gas detection and detection data error. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an exhaust pipe connecting device for motor vehicle detection with low detection efficiency.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model discloses an exhaust pipe connecting device for motor vehicle detection, which comprises a sleeving pipe, a pipe sleeving groove is formed in the sleeving pipe, and a stain-proof coating is arranged on the inner wall of the sleeving pipe.

[0008] A plurality of air-tight sealing strips are arranged on the sleeving pipe, and detector accommodating grooves are symmetrically formed in the sleeving pipe.

[0009] As a preferred technical scheme of the utility model, a plurality of arrangement grooves are formed in the sleeving pipe, the arrangement grooves are arranged in a ring shape, the air-tight sealing strips are linearly arranged in the arrangement grooves, and the air-tight sealing strips are fixedly connected with the arrangement grooves.

[0010] As a preferred technical scheme of the utility model, a plurality of pressure relief holes are formed in the sleeving pipe, and exhaust sealing covers are arranged on the pressure relief holes.

[0011] As a preferred technical scheme of the utility model, a anti-falling ring is arranged at the front end of the sleeving pipe, the anti-falling ring is fixedly connected with the sleeving pipe, and an inclined groove is formed in the detector accommodating groove.

[0012] As a preferred technical scheme of the utility model, the sleeve pipe is provided with a tail pipe at one end, the tail pipe is fixedly connected with the sleeve pipe, and the front end of the sleeve pipe is provided with a pipe fitting clamping corner fixedly connected with the sleeve pipe.

[0013] As a preferred technical scheme of the utility model, the tail pipe is provided with a plurality of tail end clamping corners arranged in a ring shape and fixedly connected with the tail pipe.

[0014] The utility model has the advantages of:

[0015] 1. The utility model discloses a sleeve pipe is improved the fixed effect to the exhaust pipe, reduces the falling phenomenon caused by automobile vibration, and the anti -adhesive ring can effectively reduce the friction between the sleeve pipe and the exhaust pipe, and then the gripping force is improved, and the air -tight sealing strip is contacted with the exhaust pipe, and the internal pressure can be effectively reduced, and then the sleeve pipe is adsorbed on the exhaust pipe, so that the exhaust detection effect is improved, compared with the prior art, the detection data error can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic view of the utility model motor vehicle detection exhaust pipe connecting device.

[0017] Figure 2 It is the internal structure view of the utility model motor vehicle detection exhaust pipe connecting device.

[0018] Figure 3 It is the rear view of the utility model motor vehicle detection exhaust pipe connecting device.

[0019] Figure 4 It is the top view of the utility model motor vehicle detection exhaust pipe connecting device.

[0020] In the drawings: 1, sleeve pipe, 2, pipe fitting sleeve groove, 3, pipe fitting clamping corner, 4, tail pipe, 5, arrangement groove, 6, air -tight sealing strip, 7, pressure relief hole, 8, anti -adhesive ring, 9, detector installation groove, 10, tail end clamping corner. DETAILED DESCRIPTION

[0021] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model. In the following paragraphs, the utility model is described in more detail with examples referring to the drawings. It should be noted that the drawings are very simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the utility model embodiments.

[0022] It should be understood that when an element, or components are referred to as being "on" another element, or components, it can be directly on another element or intervening elements can also be present. In addition, it should be understood that when an element or layer is referred to as being "connected", "attached", "engaged" or "coupled" to another element or layer, it can be directly connected, attached, engaged or coupled to the other element or layer, or intervening elements can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Referring to the structural schematic view, the application provides the following technical solutions: Figures 1-4

[0025] Specifically refers to the motor vehicle detection with exhaust pipe connecting device, including sleeve pipe 1, sleeve pipe 1 is tubular member, and the diameter is greater than the exhaust pipe of automobile, the whole is made of metal material, mainly tail end of exhaust pipe is wrapped, and the detection work can be normal operation, pipe sleeve groove 2 is the existing auxiliary component, for extending the connecting space of sleeve pipe 1 tail, can be fixed in pipe sleeve groove 2 through the buckle, realize the extension function of sleeve pipe 1 tail, the anti-sticking layer is the existing coating polytetrafluoroethylene, which is a very popular non-stick coating, has excellent adhesion and chemical stability.

[0026] Sleeve pipe 1 is provided with a plurality of air sealing strips 6, which are compressed by sponge material in the prior art. The sponge can improve the adhesion state in a wet state. A plurality of arrangement grooves 5 are formed in the sleeve pipe 1. The arrangement grooves 5 are auxiliary components for arranging the air sealing strips 6. The arrangement grooves 5 are annularly arranged, and a total of four arrangement grooves 5 are formed. The air sealing strips 6 are linearly arranged in the arrangement grooves 5. Four air sealing strips 6 are arranged in each arrangement groove 5. The air sealing strips 6 are fixedly connected with the arrangement grooves 5. The two ends of the air sealing strips 6 are connected with the arrangement grooves 5 through buckles. The buckles are limiting components that can accommodate the air sealing strips 5, and the two ends are fixedly connected with the arrangement grooves 5 through welding.

[0027] A plurality of pressure relief holes 7 are formed in the sleeve pipe 1. The pressure relief holes 7 mainly avoid excessive pressure in the sleeve pipe 1, which cannot be normally pulled out. An exhaust cover is arranged on the pressure relief hole 7. The exhaust cover is a rubber component arranged in a cross-shaped gap in the prior art. When the air pressure is too high, the exhaust cover can automatically discharge excess gas and automatically seal after discharging. ​

[0028] The detector mounting groove 9 is symmetrically arranged in the sleeve pipe 1, which is mainly used for mounting the gas detection device, and the front end of the sleeve pipe 1 is provided with a anti-off rubber ring 8 made of rubber material, which is soft and milky white, and is mainly used for increasing the friction force of the sleeve pipe 1 and the exhaust pipe. The anti-off rubber ring 8 is fixedly connected with the sleeve pipe 1, and the bottom of the anti-off rubber ring 8 is connected with the sleeve pipe 1 through buckles and rivets, which is convenient for replacement in the later period. The inclined groove is arranged in the detector mounting groove 9, and the inclined groove is arranged in a 30° slope, which is mainly used for increasing the working range of the detector.

[0029] One end of the sleeve pipe 1 is provided with a tail pipe 4, which is an existing auxiliary component, and is used for extending the tail end of the sleeve pipe 1, and then adapting more pipe fitting sleeve components. The tail pipe 4 is fixedly connected with the sleeve pipe 1, and the tail pipe 4 is fixedly connected with the sleeve pipe 1 through glue. The front end of the sleeve pipe 1 is provided with a pipe fitting clamping corner 3, which is an existing clamping component, and is used for increasing the identification effect of the front end of the sleeve pipe 1, and is convenient for manual holding of the sleeve pipe on the exhaust pipe. The pipe fitting clamping corner 3 is fixedly connected with the sleeve pipe 1 through welding and the outer wall of the sleeve pipe 1.

[0030] A plurality of tail end clamping corners 10 are arranged on the tail pipe 4, which are auxiliary components, and are used for adapting the clamping components of other pipe fittings. The tail end clamping corners 10 are arranged in a ring shape and are fixedly connected with the tail pipe 4 through welding.

[0031] The working principle of the utility model is as follows:

[0032] Working principle: the sleeve pipe 1 is used as a core component, adopts metal material, and is larger than the exhaust pipe in diameter, and is used for wrapping the tail end of the exhaust pipe. The pipe fitting sleeve groove 2 on it cooperates with the buckle ring, realizes the tail extension function, and the anti-staining coating selects polytetrafluoroethylene, ensures excellent adhesion and chemical stability, and is used for enhancing the sealing property. A plurality of air tight sealing strips 6 are arranged in the sleeve pipe 1, are compressed from sponge material, and have better adhesion in the wet state. The arrangement groove 5 is arranged in a ring shape, is used for arranging the air tight sealing strip 6, and is fixed through buckles. The pressure relief hole 7 avoids that the internal pressure is too large, the exhaust cover is automatically closed, the detector mounting groove 9 is symmetrically arranged, and is convenient for mounting the gas detection device. The anti-off rubber ring 8 increases the friction force with the exhaust pipe, and ensures stable connection. The tail pipe 4 extends the tail end of the sleeve pipe 1, and adapts more components. The pipe fitting clamping corner 3 and the tail end clamping corner 10 respectively enhance the front end identification effect and adapt other pipe fittings.

[0033] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the utility model for solving basically same technical problems and realizing basically same technical effects is covered in the protection scope of the utility model.

Claims

1. A motor vehicle exhaust pipe connecting device for detection, comprising a sleeve pipe (1) provided with a pipe sleeve groove (2), the inner wall of the sleeve pipe (1) being provided with a non-stick coating, characterized in that: a plurality of air-tight sealing strips (6) are arranged on the sleeve pipe (1), and a detector placement groove (9) is symmetrically arranged in the sleeve pipe (1).

2. The exhaust pipe connection device for motor vehicle detection according to claim 1, characterized by, A plurality of arrangement grooves (5) are arranged in the sleeve pipe (1), the arrangement grooves (5) are arranged in a ring shape, the air-tight sealing strips (6) are linearly arranged in the arrangement grooves (5), and the air-tight sealing strips (6) are fixedly connected with the arrangement grooves (5).

3. The exhaust pipe connection device for motor vehicle detection according to claim 1, characterized by, A plurality of pressure relief holes (7) are arranged in the sleeve pipe (1), and the pressure relief holes (7) are provided with exhaust covers.

4. The exhaust pipe connection device for motor vehicle detection according to claim 1, characterized by, A anti-loose ring (8) is arranged at the front end of the sleeve pipe (1), the anti-loose ring (8) is fixedly connected with the sleeve pipe (1), and an inclined groove is arranged in the detector placement groove (9).

5. The exhaust pipe connection apparatus for motor vehicle detection according to claim 1, characterized by, A tail pipe (4) is arranged at one end of the sleeve pipe (1), the tail pipe (4) is fixedly connected with the sleeve pipe (1), a pipe clamping corner (3) is arranged at the front end of the sleeve pipe (1), and the pipe clamping corner (3) is fixedly connected with the sleeve pipe (1).

6. The exhaust pipe connection device for motor vehicle detection according to claim 5, characterized by A plurality of tail end clamping corners (10) are arranged on the tail pipe (4), the tail end clamping corners (10) are arranged in a ring shape, and are fixedly connected with the tail pipe (4).

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