OBD function test jig
By designing the OBD functional test frame, the existing OBD functional test methods are solved, and the problem of time-consuming, labor-intensive and unstable OBD functional tests are achieved, and the adaptability and reliability are improved.
Patent Information
- Application Number
- CN202420871503.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing OBD functional testing methods are time-consuming and labor-intensive and unstable, and are not suitable for large-scale product testing.
An OBD functional test rack was designed, including the test rack body, the test rack docking block, the OBD test assembly and the housing positioning block. Through standardized docking structure and detachable design, rapid and stable testing is achieved.
It realizes fast and stable OBD functional testing, suitable for large-scale product production testing, and is flexible and removable, with higher adaptability.
Smart Images

Figure CN222561652U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of OBD wire harnesses, in particular to an OBD function test stand. Background Art
[0002] The OBD conversion harness is a harness used to connect the vehicle diagnostic interface (OBD) and external devices. The OBD conversion harness can help users diagnose, adjust and monitor vehicles more conveniently. In order to ensure the production quality of the product, we need to perform functional tests on products equipped with OBD docking devices, as shown in the figure, including a device shell 41, an OBD docking terminal 42 is provided at the bottom of the device shell 41, and shell mounting protrusions 43 are provided on both sides of the OBD docking terminal 42. The traditional functional test of the OBD docking terminal 42 is to manually directly plug the OBD test head into the OBD docking terminal 42 for judgment, which is time-consuming and labor-intensive, and the plugging is unstable, and is not suitable for large-scale testing, so it needs to be improved. Utility Model Content
[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide an OBD function test stand.
[0004] The technical solution adopted by the utility model OBD function test stand: It is characterized in that it includes a test stand body, a test stand docking block, an OBD test assembly arranged in the test stand docking block, and a shell positioning block, the OBD test assembly includes an OBD test head and a test head mounting shell plugged with the OBD docking end, a test head insertion cavity is provided in the test head mounting shell, a test head limiting groove for limiting the position of the OBD test head is provided at the front end of the test head insertion cavity, a mounting shell wide portion is provided at the front end of the test head mounting shell, a mounting shell limiting groove corresponding to the mounting shell wide portion is provided on the test stand docking block, a docking block mounting opening for longitudinal insertion of the test head mounting shell is provided in the mounting shell limiting groove, and docking block positioning protrusions arranged transversely are provided at both ends of the test stand docking block;
[0005] The test frame body is provided with a test frame upper end surface, and a docking block insertion entrance corresponding to the test frame docking block is provided on the upper end surface of the test frame. The test frame body is provided with test frame positioning grooves corresponding to the docking block positioning protrusion on the left and right side walls of the docking block insertion entrance. The shell positioning blocks are detachably mounted on the left and right ends of the test frame upper end surface, and the device shell is placed on the upper end surface of the test frame and is arranged between the two shell positioning blocks. The inner side of the shell positioning block is provided with a positioning block limit opening corresponding to the shell mounting protrusion.
[0006] The left and right ends of the upper end surface of the test frame are provided with test frame blocks, the test frame blocks are T-shaped structures, the shell positioning block is provided with positioning block sockets that are engaged with the test frame blocks, and the number of the test frame blocks is 2.
[0007] The test frame body is provided with a test frame fixing block and a test frame installation opening on the left side of the docking block insertion opening.
[0008] The docking block positioning protrusion comprises a docking block front inserting portion and a docking block rear clamping portion, and the lateral width of the docking block rear clamping portion is greater than the lateral width of the docking block front inserting portion.
[0009] The test frame block is provided with a test frame block convex bump, and the positioning block bayonet is provided with a bayonet groove corresponding to the test frame block convex bump, and the height of the test frame block convex bump is less than 1 mm.
[0010] The inner side of the housing positioning block is provided with a housing giving groove and a positioning block guiding inclined surface for facilitating the placement of the device housing.
[0011] A wire dividing plate arranged at intervals is arranged at the rear end of the test head placement cavity.
[0012] The advantages of the OBD function test stand of the utility model are: the test stand can quickly perform functional tests on the product to be tested, saving time and effort, is stable and reliable when plugged in, and is suitable for mass production testing of products; the detachable design can be flexibly matched according to user needs, and has higher adaptability; the components are accurately positioned, the connection is firm and tight, and the reliability is high. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0014] Figure 1 It is a structural schematic diagram of the OBD function test stand of the utility model;
[0015] Figure 2 It is an exploded view of the OBD test assembly of the utility model;
[0016] Figure 3 It is a structural schematic diagram of the test head mounting shell of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the docking block of the test stand of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the main body of the test stand of the utility model;
[0019] Figure 6 It is a schematic diagram of the inner structure of the housing positioning block of the utility model;
[0020] Figure 7 It is a schematic diagram of the outer structure of the housing positioning block of the utility model;
[0021] Figure 8 It is a structural schematic diagram of the shell of the device to be tested of the utility model. DETAILED DESCRIPTION
[0022] like Figure 1-7 As shown, the OBD function test stand involved in the utility model comprises a test stand body 1, a test stand docking block 2, an OBD test assembly 3 arranged in the test stand docking block 2, and a shell positioning block 4, wherein the OBD test assembly 3 comprises an OBD test head 7 and a test head mounting shell 6 which are plugged into the OBD docking end 42, wherein the test head mounting shell 6 is provided with a test head insertion cavity 8, and a test head limiting groove 9 for limiting the OBD test head 7 is provided at the front end of the test head insertion cavity 8, and a mounting shell wide portion 10 is provided at the front end of the test head mounting shell 6, and a mounting shell limiting groove 12 corresponding to the mounting shell wide portion 10 is provided on the test stand docking block 2, and a docking block mounting opening 13 for longitudinally inserting the test head mounting shell 6 is provided in the mounting shell limiting groove 12, and docking block positioning protrusions 14 arranged transversely are provided at both ends of the test stand docking block 2; the test stand body 1 The body 1 is provided with a test frame upper end face 15, and the test frame upper end face 15 is provided with a docking block insertion port 16 corresponding to the test frame docking block 2, and the test frame main body 1 is provided with a test frame positioning groove 17 corresponding to the docking block positioning protrusion 14 on the left and right side walls of the docking block insertion port 16, and the shell positioning block 4 is detachably installed on the left and right ends of the test frame upper end face 15, and the device shell 41 is placed on the test frame upper end face 15 and is arranged between the two shell positioning blocks 4, and the inner side of the shell positioning block 4 is provided with a positioning block limit opening 18 corresponding to the shell mounting protrusion 43, which can quickly perform functional tests on the product to be tested, save time and labor, and is stable and reliable when plugged in, which is suitable for mass production testing of products. The test frame docking block 2, the OBD test component 3, and the shell positioning block 4 are all detachably designed, and can be flexibly matched according to user needs, with higher adaptability.
[0023] The left and right ends of the upper end surface 15 of the test frame are provided with test frame blocks 19, and the test frame block 19 is a T-shaped structure. The shell positioning block 4 is provided with a positioning block bayonet 20 that is engaged with the test frame block 19. The number of the test frame blocks 19 is 2, and the connection is firm and reliable and not easy to shake.
[0024] The test stand body 1 is provided with a test stand fixing block 21 and a test stand installation opening 22 on the left side of the docking block insertion opening 16, which can be connected and placed directly, making the test stand more diverse in installation and more flexible in use.
[0025] The docking block positioning protrusion 14 includes a docking block front inserting portion 24 and a docking block rear clamping portion 25. The lateral width of the docking block rear clamping portion 25 is greater than the lateral width of the docking block front inserting portion 24. The structure is simple and the clamping is firm and tight.
[0026] The test frame block 19 is provided with a test frame block convex bump 27, and the positioning block bayonet 20 is provided with a bayonet groove 28 corresponding to the test frame block convex bump 27. The height of the test frame block convex bump 27 is less than 1 mm, which further improves the reliability of the connection and prevents loosening after large-scale testing.
[0027] The inner side of the housing positioning block 4 is provided with a housing giving groove 29 and a positioning block guiding inclined surface 30 for facilitating the placement of the device housing 41, so as to facilitate the placement of the product to be tested and reduce wear.
[0028] The rear end of the test head insertion cavity 8 is provided with a wire separation plate 31 arranged at intervals, which is more secure.
[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.
Claims
1. An OBD function test stand, characterized in that: The invention comprises a test stand body (1), a test stand docking block (2), an OBD test assembly (3) arranged in the test stand docking block (2), and a shell positioning block (4); the OBD test assembly (3) comprises an OBD test head (7) plugged into an OBD docking end (42) and a test head mounting shell (6); a test head insertion cavity (8) is arranged in the test head mounting shell (6); a test head limiting groove (9) for limiting the position of the OBD test head (7) is arranged at the front end of the test head insertion cavity (8); a mounting shell wide portion (10) is arranged at the front end of the test head mounting shell (6); a mounting shell limiting groove (12) corresponding to the mounting shell wide portion (10) is arranged on the test stand docking block (2); a docking block mounting opening (13) for longitudinally inserting the test head mounting shell (6) is arranged in the mounting shell limiting groove (12); and docking block positioning protrusions (14) arranged transversely are arranged at both ends of the test stand docking block (2); The test frame body (1) is provided with a test frame upper end surface (15), the test frame upper end surface (15) is provided with a docking block insertion opening (16) corresponding to the test frame docking block (2), the test frame body (1) is provided with test frame positioning grooves (17) corresponding to the docking block positioning protrusions (14) on the left and right side walls of the docking block insertion opening (16), the shell positioning blocks (4) are detachably mounted on the left and right ends of the test frame upper end surface (15), the device shell (41) is placed on the test frame upper end surface (15) and is arranged between the two shell positioning blocks (4), and the shell positioning blocks (4) are provided with positioning block limiting openings (18) corresponding to the shell mounting protrusions (43) on the inner side.
2. The OBD function test stand according to claim 1, characterized in that: The left and right ends of the upper end surface (15) of the test frame are provided with test frame clamping blocks (19), the test frame clamping blocks (19) are of a T-shaped structure, the housing positioning block (4) is provided with positioning block clamping openings (20) that are clamped with the test frame clamping blocks (19), and the number of the test frame clamping blocks (19) is two.
3. The OBD function test stand according to claim 1, characterized in that: The test stand body (1) is provided with a test stand fixing block (21) and a test stand installation opening (22) on the left side of the docking block insertion opening (16).
4. The OBD function test stand according to claim 1, characterized in that: The docking block positioning protrusion (14) comprises a docking block front insertion portion (24) and a docking block rear clamping portion (25), and the lateral width of the docking block rear clamping portion (25) is greater than the lateral width of the docking block front insertion portion (24).
5. The OBD function test stand according to claim 2, characterized in that: The test frame clamp block (19) is provided with a test frame clamp block convex bump (27), the positioning block clamping mouth (20) is provided with a clamping mouth groove (28) corresponding to the test frame clamp block convex bump (27), and the height of the test frame clamp block convex bump (27) is less than 1 mm.
6. The OBD function test stand according to claim 1, characterized in that: The inner side of the housing positioning block (4) is provided with a housing clearance groove (29) and a positioning block guide inclined surface (30) for facilitating the placement of the device housing (41).
7. The OBD function test stand according to claim 1, characterized in that: The rear end of the test head insertion cavity (8) is provided with a wire separation plate (31) arranged at intervals.