Fuel steam pipe testing fixture

Abstract

The utility model discloses a fuel oil steam pipe testing fixture, comprising a testing fixture main body (1), a detection groove (2) for storing a fuel oil steam pipe (3) is arranged in the testing fixture main body (1), the testing fixture main body (1) is divided into a main pipe detection end (11) and a branch pipe detection end (12), and a first fast insertion detection end (13) is arranged between the main pipe detection end (11) and the branch pipe detection end (12). One end of the main pipe detection end (11) is provided with a third quick-insertion detection end (15), one end of the branch pipe detection end (12) is provided with a second quick-insertion detection end (14), a plurality of different detection ends are arranged along the detection groove (2), and after a fuel steam pipe (3) is placed in the detection tool body (1), the size of the fuel steam pipe (3) is detected through cooperation of the detection tool body (1) and the detection groove (2). And the correctness of each inflection point position is ensured, so that the detection can be quickly and effectively carried out and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fuel steam pipes, and specifically relates to a fuel steam pipe inspection tool. Background Art

[0002] The main pipe in the automobile fuel vapor pipe is used to connect the fuel tank and the carbon canister. Its function is to transport the evaporated fuel vapor in the fuel tank to the carbon canister for storage. The branch pipe is used to connect the circulation pipe and the carbon canister. Its function is to transport the fuel vapor at the refueling port to the carbon canister for storage. In order to facilitate fixation, the fuel vapor pipe is usually provided with a fixing tie.

[0003] The patent number is 201921867051.9, and a public specification published on June 26, 2020 discloses an automobile oil pipe inspection fixture with high detection efficiency, including a base plate, a fixed platform, an oil pipe placement block, a placement groove, a fixed pin structure and a node detection device. The upper surface of the base plate is fixed with a fixed platform in sequence, and the upper surface of the fixed platform and the upper surface of the base plate are fixed with oil pipe placement blocks in sequence. A placement groove is opened on the top of the oil pipe placement block, and a fixed pin structure is fixed on the top of a fixed platform at one end of the base plate. The upper surface of the fixed platform and the upper surface of the base plate are fixed with a node detection device in sequence. The node detection device includes a fixed block, a fixed plate, a slide rail, a slider, an L-shaped block, a detection block, a first positioning groove, a second positioning groove, a connecting plate, a first connecting rod, a second connecting rod, a lever, a mounting plate, a threaded rod, a nut and a fixed head. This automobile oil pipe inspection fixture with high detection efficiency can detect two oil pipes of different diameters, reduce equipment investment, reduce costs, and has high detection efficiency, which is convenient for people to use.

[0004] In the above-mentioned prior art, two oil pipes with different diameters can be tested. However, since the fuel vapor pipe needs to be bent and avoided according to the vehicle body boundary and the surrounding parts envelope during design, this technology does not have a structure for testing the quick-insert end structure at the inflection point, and the correctness of the position of each inflection point cannot be guaranteed. Utility Model Content

[0005] The utility model aims to provide a fuel vapor pipe inspection tool which can detect the correctness of the positions of various inflection points of the fuel vapor pipe.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a fuel vapor pipe inspection fixture, including a inspection fixture body, a detection groove for storing the fuel vapor pipe is provided in the inspection fixture body, the inspection fixture body is divided into a main pipe inspection end and a branch pipe inspection end, a first quick-plug inspection end is provided between the main pipe inspection end and the branch pipe inspection end, a third quick-plug inspection end is provided at one end of the main pipe inspection end away from the first quick-plug inspection end, and a second quick-plug inspection end is provided at one end of the branch pipe inspection end away from the first quick-plug inspection end.

[0007] The detection slot comprises a first quick slot disposed in the first quick plug detection end, a second quick slot disposed in the second quick plug detection end, and a third quick slot disposed in the third quick plug detection end.

[0008] The branch pipe detection end is provided with a tie position detection end.

[0009] The cable tie position detection end is a groove that penetrates the branch pipe detection end, and the cable tie position detection end intersects with the detection groove.

[0010] The main body of the inspection tool is made of polylactic acid plastic.

[0011] A base is provided at the bottom of the checking tool body.

[0012] The base is a rectangular aluminum alloy plate.

[0013] The fuel steam pipe includes a main pipe section and a branch pipe section, a first quick plug is arranged between the main pipe section and the branch pipe section, a third quick plug is arranged at one end of the main pipe section away from the first quick plug, and a second quick plug is arranged at one end of the branch pipe section away from the first quick plug.

[0014] The detection groove also includes a main pipe groove matched with the main pipe section and a branch pipe groove matched with the branch pipe section. The main pipe groove is arranged on the main pipe detection end, and the branch pipe groove is arranged on the branch pipe detection end.

[0015] The technical effect of the utility model is as follows: the detection groove provided on the inspection tool body is adapted to the shape of the fuel vapor pipe, and a plurality of different detection ends are provided along the detection groove. After the fuel vapor pipe is placed into the inspection tool body, the size of the fuel vapor pipe and the correctness of the positions of various inflection points are detected by utilizing the cooperation of the inspection tool body and the detection groove, so that the detection can be performed quickly and effectively, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This specification includes the following drawings, which show the following contents:

[0017] Figure 1 This is a structural schematic diagram of a fuel steam pipe inspection fixture of the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the coordination between a fuel steam pipe and a fuel steam pipe inspection fixture.

[0019] The markings in the figure are as follows: 1. Inspection fixture body; 11. Main pipe detection end; 12. Branch pipe detection end; 13. First quick-plug detection end; 14. Second quick-plug detection end; 15. Third quick-plug detection end; 2. Detection slot; 21. Main pipe slot; 22. Branch pipe slot; 23. First quick-plug slot; 24. Second quick-plug slot; 25. Third quick-plug slot; 3. Fuel steam pipe; 31. Main pipe section; 32. Branch pipe section; 33. First quick-plug; 34. Second quick-plug; 35. Third quick-plug; 4. Cable tie position detection end; 5. Base. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation methods of the utility model by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the utility model and facilitating its implementation.

[0021] See also Figure 1-2 A fuel vapor pipe inspection fixture comprises a inspection fixture body 1, wherein an inspection slot 2 for storing a fuel vapor pipe 3 is provided in the inspection fixture body 1, the inspection fixture body 1 is divided into a main pipe inspection end 11 and a branch pipe inspection end 12, a first quick-plug inspection end 13 is provided between the main pipe inspection end 11 and the branch pipe inspection end 12, a third quick-plug inspection end 15 is provided at one end of the main pipe inspection end 11 away from the first quick-plug inspection end 13, and a second quick-plug inspection end 14 is provided at one end of the branch pipe inspection end 12 away from the first quick-plug inspection end 13.

[0022] After the fuel steam pipe 3 is processed, it is placed in the detection groove 2. If the length is within the tolerance range, the pipeline length is qualified, otherwise, it is unqualified; if the fuel steam pipe 3 is in the groove and does not go out of the groove or stick to the wall, the pipeline contour is qualified, otherwise it is unqualified; the pipeline position tolerance is ±3mm; the pipeline length tolerance is ±3mm, and each detection end is used to detect whether the position and shape of each inflection point on the fuel steam pipe 3 are correct, so that the fuel steam pipe 3 can be detected by cooperating with the detection groove 2 and the inspection fixture body 1.

[0023] The detection slot 2 includes a first quick-insertion slot 23 arranged in the first quick-insertion detection end 13, a second quick-insertion slot 24 is arranged in the second quick-insertion detection end 14, and a third quick-insertion slot 25 is arranged in the third quick-insertion detection end 15; the quick-insertion slots in the quick-insertion detection ends detect various inflection points of the fuel vapor pipe 3.

[0024] A tie position detection end 4 is provided on the branch pipe detection end 12; in order to facilitate fixation, a fixed tie is usually provided on the fuel vapor pipe 3, and the tie position detection end 4 is used to detect the tie.

[0025] The tie position detection end 4 is a groove that penetrates the branch pipe detection end 12, and the tie position detection end 4 intersects with the detection groove 2; when detecting the fuel vapor pipe 3, the tie will be stored in the tie position detection end 4 to detect the correctness of the tie position.

[0026] The gauge body 1 is made of polylactic acid plastic, which can effectively reduce the weight of the gauge, improve wear resistance and service life, and reduce costs.

[0027] A base 5 is provided at the bottom of the inspection tool body 1 to improve the stability of the inspection tool body 1 and reduce possible movement during inspection.

[0028] The base 5 is a rectangular aluminum alloy plate, which can reduce the weight of the gauge and ensure the corrosion resistance of the gauge.

[0029] The fuel vapor pipe 3 includes a main pipe section 31 and a branch pipe section 32. A first quick plug 33 is provided between the main pipe section 31 and the branch pipe section 32. A third quick plug 35 is provided at one end of the main pipe section 31 away from the first quick plug 33. A second quick plug 34 is provided at one end of the branch pipe section 32 away from the first quick plug 33. The size, shape and position of each structure on the fuel vapor pipe 3 are detected by the detection slot 2.

[0030] The detection groove 2 also includes a main groove 21 that matches the main pipe section 31 and a branch pipe groove 22 that matches the branch pipe section 32. The main groove 21 is arranged on the main pipe detection end 11, and the branch pipe groove 22 is arranged on the branch pipe detection end 12; the main groove 21 and the branch pipe groove 22 are used to detect the shape and size of the main pipe section 31 and the branch pipe section 32.

[0031] The technical effect of the utility model is as follows: the detection groove 2 provided on the gauge body 1 is adapted to the shape of the fuel vapor pipe 3, and a plurality of different detection ends are provided along the detection groove 2. After the fuel vapor pipe 3 is placed into the gauge body 1, the size of the fuel vapor pipe 3 and the correctness of the positions of various inflection points are detected by utilizing the cooperation of the gauge body 1 and the detection groove 2, so that the detection can be performed quickly and effectively, thereby improving the detection efficiency.

[0032] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A fuel steam pipe inspection fixture, characterized in that: The invention comprises a gauge body (1), wherein a detection groove (2) for storing a fuel vapor pipe (3) is provided in the gauge body (1), the gauge body (1) is divided into a main pipe detection end (11) and a branch pipe detection end (12), a first quick-plug detection end (13) is provided between the main pipe detection end (11) and the branch pipe detection end (12), a third quick-plug detection end (15) is provided at one end of the main pipe detection end (11) away from the first quick-plug detection end (13), and a second quick-plug detection end (14) is provided at one end of the branch pipe detection end (12) away from the first quick-plug detection end (13).

2. A fuel steam pipe inspection fixture according to claim 1, characterized in that: The detection slot (2) comprises a first quick insertion slot (23) arranged in the first quick insertion detection end (13), a second quick insertion slot (24) is arranged in the second quick insertion detection end (14), and a third quick insertion slot (25) is arranged in the third quick insertion detection end (15).

3. A fuel steam pipe inspection fixture according to claim 1, characterized in that: The branch pipe detection end (12) is provided with a tie position detection end (4).

4. A fuel steam pipe inspection fixture according to claim 3, characterized in that: The tie position detection end (4) is a groove that penetrates the branch pipe detection end (12), and the tie position detection end (4) intersects with the detection groove (2).

5. A fuel vapor pipe inspection fixture according to any one of claims 1 to 4, characterized in that: The gauge body (1) is made of polylactic acid plastic.

6. A fuel steam pipe inspection fixture according to claim 1, characterized in that: A base (5) is provided at the bottom of the gauge body (1).

7. A fuel steam pipe inspection fixture according to claim 6, characterized in that: The base (5) is a rectangular aluminum alloy plate.

8. A fuel vapor pipe inspection fixture according to claim 1, characterized in that: The fuel vapor pipe (3) comprises a main pipe section (31) and a branch pipe section (32); a first quick plug (33) is provided between the main pipe section (31) and the branch pipe section (32); a third quick plug (35) is provided at one end of the main pipe section (31) away from the first quick plug (33); and a second quick plug (34) is provided at one end of the branch pipe section (32) away from the first quick plug (33).

9. A fuel vapor pipe inspection fixture according to claim 8, characterized in that: The detection groove (2) further comprises a main pipe groove (21) matched with the main pipe section (31) and a branch pipe groove (22) matched with the branch pipe section (32); the main pipe groove (21) is arranged on the main pipe detection end (11), and the branch pipe groove (22) is arranged on the branch pipe detection end (12).

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