Automobile exhaust analysis and diagnosis machine

Abstract

The utility model belongs to the field of analysis and diagnosis machines, and particularly relates to an automobile exhaust analysis and diagnosis machine which comprises a machine body, a collecting cover is fixedly connected to the back face of the machine body, a winding wheel is installed in the collecting cover through a bearing, and a collecting pipe is wound on the outer side of the winding wheel. A collecting head is fixedly connected to the end, away from the collecting cover, of the collecting pipe, a clamping mechanism is arranged on the outer side of the collecting head, a clamping frame is fixedly connected to the upper end of the machine body, a rocker arm is fixedly connected to the back face of a connecting shaft of the winding wheel, and a connecting cover is fixedly connected to the upper end of the rocker arm. The collecting cover, the winding wheel, the rocker arm and other structures are additionally arranged on the outer side of the machine body, in the using process, the winding wheel can be driven by the rocker arm to rotate so as to wind the collecting pipe, in the using process, the using length of the collecting pipe can be released, and therefore the collecting pipe can be more convenient to store and use.

Description

Technical Field

[0001] This utility model relates to the field of analytical diagnostic equipment technology, specifically to an automotive exhaust gas analytical diagnostic equipment. Background Technology

[0002] During vehicle inspection, exhaust emissions need to be collected and tested. This is done by inserting a diagnostic tool's sampling head into the exhaust pipe to collect the exhaust gases produced during vehicle operation. After collection, the exhaust gases can be analyzed and diagnosed by the diagnostic tool. However, current diagnostic tools require a long sampling tube to connect to the sampling head for easy data observation and analysis. This long tube is inconvenient for daily use and storage. Furthermore, the strong airflow generated when the vehicle is running can easily eject the sampling head, hindering effective data collection. Therefore, improvements to the existing technology are needed. Utility Model Content

[0003] The purpose of this invention is to provide an automotive exhaust gas analysis and diagnostic machine that solves the problems of long collection tubes being inconvenient to store and unstable connection between the collection head and the exhaust pipe.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an automotive exhaust gas analyzer and diagnostic machine, comprising a body, a collection hood fixedly connected to the back of the body, a winding wheel mounted inside the collection hood via bearings, a collection tube wound around the outer side of the winding wheel, a collection head fixedly connected to the end of the collection tube away from the collection hood, a clamping mechanism provided on the outer side of the collection head, a snap-fit ​​bracket fixedly connected to the upper end of the body, a rocker arm fixedly connected to the back of the connecting shaft of the winding wheel, a connecting cover fixedly connected to the upper end of the rocker arm, multiple positioning holes arranged in a ring on the back of the collection hood, a positioning post slidably connected inside the connecting cover, a pull ring rod fixedly connected to the outer side of the positioning post, a spring provided on the outer side of the pull ring rod, an upper guide wheel mounted on the back of the body via bearings, a lower guide wheel mounted on the back of the body via bearings, and a connecting piece mounted on the outer side of both the upper and lower guide wheels via bearings.

[0005] Preferably, the clip is clipped to the acquisition head, and the clip is slidably connected to the acquisition tube, so that the clip can clamp the acquisition head.

[0006] Preferably, one end of the spring is in contact with the positioning post, the other end of the spring is fixedly connected to the connecting cover, the positioning post is slidably connected to the positioning hole, the pull ring rod is fixedly connected to the connecting cover, and the spring can automatically reset the positioning post through its elastic force.

[0007] Preferably, the upper guide wheel is in contact with the acquisition tube, and the lower guide wheel is in contact with the acquisition tube. The upper and lower guide wheels can guide the movement of the acquisition tube.

[0008] Preferably, the clamping mechanism includes a pressing plate, the pressing plate is hinged to the outside of the collection head, a rubber pad is fixedly connected to the outside of the pressing plate, a fixing column is fixedly connected to the outside of the collection head, and a spring is provided inside the fixing column. The rubber pad can increase the friction between the pressing plate and the exhaust pipe.

[0009] Preferably, the rubber pad is in contact with the collection head, one end of the second spring is fixedly connected to the pressing plate, and the other end of the second spring is fixedly connected to the fixing post. The second spring can move the pressing plate by its elastic force.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This utility model adds a collection cover, a winding wheel, and a rocker arm to the outside of the machine body. During use, the rocker arm can drive the winding wheel to rotate and wind up the collection tube. The length of the collection tube can be released during use, making the collection tube easier to store and use.

[0012] 2. This utility model adds a pressing plate, rubber pad, and fixing post to the collection head. After the collection head is inserted into the exhaust pipe, the rubber pad under the pressing plate can be pressed against the outside of the exhaust pipe by the elastic force of the spring, thus completing the clamping of the collection head and making the collection head more stable during use. Attached Figure Description

[0013] Figure 1 The overall structure of this utility model is three-dimensional. Figure 1 ;

[0014] Figure 2 The overall structure of this utility model is three-dimensional. Figure 2 ;

[0015] Figure 3 For the present utility model Figure 2 A three-dimensional sectional view;

[0016] Figure 4 For the present utility model Figure 2 Enlarged view of the A-section structure;

[0017] Figure 5 For the present utility model Figure 3 Enlarged view of the structure of section B;

[0018] Figure 6 For the present utility model Figure 4 A 3D magnified view of the pressing plate.

[0019] In the diagram: 1. Body; 2. Collection cover; 3. Rewinding wheel; 4. Collection tube; 5. Collection head; 6. Clamping mechanism; 7. Clip frame; 8. Rocker arm; 9. Connecting cover; 10. Positioning hole; 11. Pull ring rod; 12. Positioning post; 13. Spring 1; 14. Upper guide wheel; 15. Lower guide wheel; 16. Connecting piece; 61. Pressing plate; 62. Rubber pad; 63. Fixing post; 64. Spring 2. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 A vehicle exhaust gas analyzer includes a body 1. A collection hood 2 is fixedly connected to the back of the body 1. A winding wheel 3 is installed inside the collection hood 2 via a bearing. A collection tube 4 is wound around the outside of the winding wheel 3. A collection head 5 is fixedly connected to the end of the collection tube 4 away from the collection hood 2. A clamping mechanism 6 is provided on the outside of the collection head 5. A snap-fit ​​bracket 7 is fixedly connected to the upper end of the body 1. A rocker arm 8 is fixedly connected to the back of the connecting shaft of the winding wheel 3. A connecting cover 9 is fixedly connected to the upper end of the rocker arm 8. Multiple positioning holes 10 arranged in a ring are opened on the back of the collection hood 2. A positioning post 12 is slidably connected inside the connecting cover 9. A pull ring rod 11 is fixedly connected to the outside of the positioning post 12. A spring 13 is provided on the outside of the pull ring rod 11. An upper guide wheel 14 and a lower guide wheel 15 are installed on the back of the body 1 via a bearing. A connecting piece 16 is installed on the outside of the upper guide wheel 14 and the lower guide wheel 15 via a bearing.

[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5The clip 7 is clipped to the acquisition head 5 and slidably connected to the acquisition tube 4. The clip 7 can clamp the acquisition head 5. One end of the spring 13 contacts the positioning post 12, and the other end of the spring 13 is fixedly connected to the connecting cover 9. The positioning post 12 is slidably connected to the positioning hole 10. The pull ring rod 11 is fixedly connected to the connecting cover 9. The spring 13 can automatically reset the positioning post 12 through its elastic force. The upper guide wheel 14 contacts the acquisition tube 4, and the lower guide wheel 15 contacts the acquisition tube 4. The upper guide wheel 14 and the lower guide wheel 15 can guide the movement of the acquisition tube 4.

[0023] Please see Figure 1 , Figure 2 , Figure 4 , Figure 6 The clamping mechanism 6 includes a pressing plate 61. The pressing plate 61 is hinged to the outside of the collection head 5. A rubber pad 62 is fixedly connected to the outside of the pressing plate 61. A fixing post 63 is fixedly connected to the outside of the collection head 5. A second spring 64 is installed inside the fixing post 63. The rubber pad 62 can increase the friction between the pressing plate 61 and the exhaust pipe. The rubber pad 62 contacts the collection head 5. One end of the second spring 64 is fixedly connected to the pressing plate 61, and the other end of the second spring 64 is fixedly connected to the fixing post 63. The second spring 64 can move the pressing plate 61 by its elastic force.

[0024] The specific implementation process of this utility model is as follows: In use, pulling the pull ring rod 11 causes the positioning post 12 to move. During this movement, the positioning post 12 compresses the spring 13. When the positioning post 12 disengages from the current positioning hole 10, the limiting effect on the connecting cover 9 and the rocker arm 8 is released. Then, the pull ring rod 11 drives the rocker arm 8 to rotate. As the rocker arm 8 drives the winding wheel 3 to rotate, the collection tube 4 is released. After releasing a certain length, the pull ring rod 11 is released, and the spring 13 returns to its original position. The spring 13 can then spring back to its original position. The force drives the positioning pin 12 to slide into the adjusted positioning hole 10, thus completing the adjustment of the length of the collection tube 4. Then, the collection head 5 is taken out and inserted into the car exhaust pipe. During the insertion process, one end of the pressing plate 61 is pushed down. As the pressing plate 61 deflects, it causes the rubber pad 62 to lift up and compress the second spring 64. When the collection head 5 is fully inserted, the pressing plate 61 is released, and the second spring 64 returns to its original position. The second spring 64 can use its elasticity to push the rubber pad 62 against the outside of the exhaust pipe, thus making the installation of the collection head 5 more stable.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vehicle exhaust gas analysis and diagnostic machine, comprising a body (1), characterized in that: A collection cover (2) is fixedly connected to the back of the body (1). A winding wheel (3) is installed inside the collection cover (2) via a bearing. A collection tube (4) is wound around the outside of the winding wheel (3). A collection head (5) is fixedly connected to the end of the collection tube (4) away from the collection cover (2). A clamping mechanism (6) is provided on the outside of the collection head (5). A snap-fit ​​bracket (7) is fixedly connected to the upper end of the body (1). A rocker arm (8) is fixedly connected to the back of the connecting shaft of the winding wheel (3). A connecting cover (9) is fixedly connected to the upper end of the rocker arm (8). The back of the collection cover (2) is provided with a plurality of positioning holes (10) arranged in a ring. The inside of the connecting cover (9) is slidably connected to a positioning post (12). A pull ring rod (11) is fixedly connected to the outside of the positioning post (12). A spring (13) is provided on the outside of the pull ring rod (11). An upper guide wheel (14) is installed on the back of the body (1) through a bearing. A lower guide wheel (15) is installed on the back of the body (1) through a bearing. A connecting piece (16) is installed on the outside of the upper guide wheel (14) and the lower guide wheel (15) through a bearing.

2. The automotive exhaust gas analysis and diagnostic machine according to claim 1, characterized in that: The clip (7) is clipped to the acquisition head (5), and the clip (7) is slidably connected to the acquisition tube (4).

3. The automotive exhaust gas analysis and diagnostic machine according to claim 1, characterized in that: One end of the spring (13) is in contact with the positioning post (12), the other end of the spring (13) is fixedly connected to the connecting cover (9), the positioning post (12) is slidably connected to the positioning hole (10), and the pull ring rod (11) is fixedly connected to the connecting cover (9).

4. The automotive exhaust gas analysis and diagnostic machine according to claim 1, characterized in that: The upper guide wheel (14) is in contact with the collection tube (4), and the lower guide wheel (15) is in contact with the collection tube (4).

5. The automotive exhaust gas analysis and diagnostic machine according to claim 1, characterized in that: The clamping mechanism (6) includes a pressing plate (61), the pressing plate (61) is hinged to the outside of the collection head (5), a rubber pad (62) is fixedly connected to the outside of the pressing plate (61), a fixing post (63) is fixedly connected to the outside of the collection head (5), and a spring (64) is provided inside the fixing post (63).

6. The automotive exhaust gas analysis and diagnostic machine according to claim 5, characterized in that: The rubber pad (62) is in contact with the collection head (5), one end of the second spring (64) is fixedly connected to the pressing plate (61), and the other end of the second spring (64) is fixedly connected to the fixing post (63).

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