Tail gas collecting device for motor vehicle detection

Abstract

The utility model discloses a tail gas collecting device for motor vehicle detection, and relates to the technical field of motor vehicle detection. The connecting pipe is used for being connected with an exhaust pipe of an external automobile, the inner side face and the outer side face of the connecting pipe are each provided with a rubber layer, a first one-way valve is embedded in the other side wall of the connecting pipe, an air outlet of the first one-way valve is connected with an air outlet pipe, and the lower connecting ring drives the collecting unit to rotate. The second magnet in the other set of collecting unit rotates to the position below the first magnet, the first magnet and the second magnet in the other set of collecting unit attract each other, the second magnets move upwards to stretch the telescopic pipe, the telescopic pipe is communicated with the air outlet pipe, then tail gas enters the other set of air bags through the air outlet pipe, and rapid switching among different collecting units is achieved; the tail gas can be conveniently and continuously treated or transferred.

Description

Technical Field

[0001] The utility model relates to the technical field related to motor vehicle detection, in particular to an exhaust gas collection device used for motor vehicle detection. Background Art

[0002] Publication (announcement) No. CN220170648U, an exhaust gas collection device for motor vehicle detection, including a gas collecting chamber and two mounting parts, the outer peripheral rotating sleeve of the gas collecting chamber is provided with a gear ring, and the gear ring is slidably connected to the two mounting parts; a clamping assembly, the clamping assembly has two groups and is correspondingly arranged with the two mounting parts.

[0003] In the above-mentioned prior art, there is only a single collection chamber for collecting automobile exhaust gas. In the single collection chamber, exhaust gas discharged at different times will mix with each other. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned deficiencies, the present invention provides an exhaust gas collection device for motor vehicle detection.

[0005] The utility model is implemented in this way: an exhaust gas collection device for motor vehicle detection is constructed, the device comprises a connecting pipe; the connecting pipe is used to be connected to the exhaust pipe of an external automobile, and a rubber layer is provided on the inner and outer sides of the connecting pipe, a first one-way valve is embedded in the other side wall of the connecting pipe, and an outlet of the first one-way valve is connected to an outlet pipe, a first magnet is fixedly connected to the side wall of one end of the outlet pipe away from the first one-way valve, and a lower connecting ring is rotatably connected to the outer side wall of the connecting pipe, a groove is formed by inward depression on the lower connecting ring, a telescopic tube is embedded and fixedly provided on the groove, and a second magnet is fixedly connected to the side wall of the upper end of the telescopic tube, the side wall of the second magnet is slidably connected to the side wall of a guide rod through a circular ring, the guide rod is fixedly connected to the groove, the lower end of the telescopic tube is fixedly connected to the transmission tube, the transmission tube passes through the groove and the lower connecting ring, the end of the transmission tube away from the telescopic tube is threadedly connected to the threaded sleeve, and the other end of the threaded sleeve is fixedly connected to the second one-way valve, and the other end of the second one-way valve is fixedly connected to the airbag.

[0006] In a feasible implementation, the second magnet, the guide rod, the transmission tube, the threaded sleeve, the second one-way valve, and the airbag form a collection unit, and a plurality of collection units are provided on the groove.

[0007] In a feasible implementation, the N pole of the second magnet and the S pole of the first magnet are arranged close to each other so that the second magnet and the first magnet generate magnetic attraction.

[0008] The utility model has the following advantages: The utility model provides an exhaust gas collection device for motor vehicle detection through improvement, which has the following improvements compared with similar devices:

[0009] The utility model discloses an exhaust gas collection device for motor vehicle detection, in which the lower connecting ring drives the collection unit to rotate, so that the second magnet inside the collection unit of another group rotates to below the first magnet, the first magnet is magnetically attracted to the second magnet of another group, the second magnet moves upward to stretch the telescopic tube, and the telescopic tube is connected to the exhaust pipe, and then the exhaust gas enters the inside of another group of airbags through the exhaust pipe, thereby realizing rapid switching between different collection units and facilitating continuous processing or transfer of exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 This is a schematic structural diagram of the connection relationship between the connecting pipe and the lower connecting ring of the utility model;

[0012] Figure 3 It is a schematic diagram of the transmission pipe connection structure of the utility model;

[0013] Figure 4 It is a schematic diagram of the disassembly structure of the transmission pipe and the threaded sleeve of the utility model.

[0014] Among them: connecting pipe-1, rubber layer-2, first one-way valve-3, air outlet pipe-4, first magnet-5, lower connecting ring-6, groove-7, second magnet-8, guide rod-9, transmission pipe-10, threaded sleeve-11, second one-way valve-12, air bag-13. DETAILED DESCRIPTION

[0015] The following will be combined with the attached Figure 1-Figure 4 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are made clear. The complete description is obvious. The described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0016] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0018] See also Figures 1 to 4 The utility model discloses an exhaust gas collection device for motor vehicle detection, wherein a connecting pipe 1 is used to be connected to an exhaust pipe of an external automobile, and a rubber layer 2 is provided on both the inner and outer sides of the connecting pipe 1, and the rubber layer 2 can be used to clamp the exhaust pipe of the automobile and be connected to the exhaust pipe of the automobile. The rubber layer 2 is made of silicone rubber or fluororubber special rubber, and special rubbers such as silicone rubber and fluororubber have good heat resistance. A first one-way valve 3 is embedded in the other side wall of the connecting pipe 1, and an outlet pipe 4 is connected to the air outlet of the first one-way valve 3, and a first magnet 5 is fixedly connected to the side wall of one end of the outlet pipe 4 away from the first one-way valve 3. When collecting automobile exhaust, the connecting pipe 1 is connected to the automobile exhaust pipe, and the exhaust gas from the automobile exhaust pipe squeezes the first one-way valve 3 in the connecting pipe 1 and enters the outlet pipe 4.

[0019] Specifically, the outer wall of the connecting tube 1 is rotatably connected with a lower connecting ring 6, and the position of the lower collecting unit can be changed by rotating the lower connecting ring 6. The lower connecting ring 6 is inwardly recessed to form a groove 7 to provide an installation space. A telescopic tube 71 is embedded and fixedly provided on the groove 7, and a second magnet 8 is fixedly connected to the side wall of the upper end of the telescopic tube 71. The side wall of the second magnet 8 is connected by a circular ring S (such as Figure 3As shown in the figure, the second magnet 8 is slidably connected to the side wall of the guide rod 9 to improve the stability of the second magnet 8 when sliding, so as to facilitate the subsequent magnetic attraction between the second magnet 8 and the first magnet 5. The guide rod 9 is fixedly connected to the groove 7. The lower end of the telescopic tube 71 is fixedly connected to the transmission tube 10. The transmission tube 10 passes through the groove 7 and the lower connecting ring 6. The end of the transmission tube 10 away from the telescopic tube 71 is threadedly connected to the threaded sleeve 11, and the other end of the threaded sleeve 11 is fixedly connected to the second one-way valve 12. The other end of the second one-way valve 12 is fixedly connected to the airbag 13, which is used to collect automobile exhaust. When working, the exhaust gas that enters the first one-way valve 3 and is transmitted to the exhaust pipe 4 is transmitted downward to the telescopic tube 71, and the exhaust gas enters The telescopic tube 71 is transmitted downward to the transmission tube 10, and then the exhaust gas pushes the second one-way valve 12 and enters the interior of the airbag 13, thereby completing the collection of the exhaust gas. When secondary separate collection is required, the lower connecting ring 6 is twisted, and the lower connecting ring 6 drives the collection unit to rotate, so that the second magnet 8 in the interior of the other group of collection units rotates to the bottom of the first magnet 5, and the first magnet 5 is magnetically attracted to the other group of second magnets 8. The second magnet 8 moves upward to stretch the telescopic tube 71, and the telescopic tube 71 is connected to the exhaust pipe 4. Then the exhaust gas passes through the exhaust pipe 4 into the interior of another group of airbags 13, thereby realizing rapid switching between different collection units, which is convenient for continuous processing or transfer of exhaust gas.

[0020] Specifically, the second magnet 8 , the guide rod 9 , the transmission tube 10 , the threaded sleeve 11 , the second one-way valve 12 , and the airbag 13 form a collecting unit, and a plurality of collecting units are provided on the groove 7 .

[0021] Specifically, the N pole of the second magnet 8 and the S pole of the first magnet 5 are arranged close to each other, so that the second magnet 8 and the first magnet 5 generate magnetic attraction.

[0022] Specifically, a rubber layer with a thickness of 0.1 cm is provided on the adjacent surfaces of the first magnet 5 and the second magnet 8 to form a good seal when connected.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description and the drawings, and the specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0024] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An exhaust gas collection device for motor vehicle detection, comprising a connecting pipe; characterized in that: The connecting pipe is used to connect with the exhaust pipe of an external automobile, and a rubber layer is provided on the inner and outer sides of the connecting pipe, a first one-way valve is embedded in the other side wall of the connecting pipe, and the air outlet of the first one-way valve is connected to an air outlet pipe, a first magnet is fixedly connected to the side wall of one end of the air outlet pipe away from the first one-way valve, and a lower connecting ring is rotatably connected to the outer side wall of the connecting pipe, a groove is formed on the lower connecting ring which is recessed inward, a telescopic pipe is embedded and fixedly provided on the groove, and a second magnet is fixedly connected to the side wall of the upper end of the telescopic pipe, the side wall of the second magnet is slidably connected to the side wall of the guide rod through a circular ring, the guide rod is fixedly connected to the groove, the lower end of the telescopic pipe is fixedly connected to the transmission pipe, the transmission pipe passes through the groove and the lower connecting ring, the end of the transmission pipe away from the telescopic pipe is threadedly connected to the threaded sleeve, and the other end of the threaded sleeve is fixedly connected to the second one-way valve, and the other end of the second one-way valve is fixedly connected to the airbag.

2. The exhaust gas collection device for motor vehicle detection according to claim 1, characterized in that: The second magnet, the guide rod, the transmission tube, the threaded sleeve, the second one-way valve and the air bag form a collecting unit, and a plurality of collecting units are arranged on the groove.

3. The exhaust gas collection device for motor vehicle detection according to claim 2, characterized in that: The N pole of the second magnet and the S pole of the first magnet are arranged close to each other so that the second magnet and the first magnet generate magnetic attraction.

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