Transmission line for diagnosing and repairing automobile system

Abstract

The utility model relates to the technical field of transmission lines, in particular to an automobile system diagnosis and repair transmission line, which comprises a shell, a PCB (printed circuit board) and a plug connector are arranged in the shell, one part of the plug connector extends out of the shell, a plurality of pins are arranged on the plug connector, the pins are electrically connected to the PCB, and the PCB is electrically connected with the plug connector. Two pin seat connectors are arranged on the PCB, a plurality of pins are arranged on the pin seat connectors, the pins are electrically connected to the PCB, the shell is connected with a diagnosis wire harness and a repair wire harness, the diagnosis wire harness and the repair wire harness are both provided with a plurality of wires, and the wires are electrically connected with the PCB. The plurality of wires of the diagnosis wire harness and the repair wire harness are electrically connected to the plurality of pins of the two pin seat connectors respectively. The utility model has the effect that the wire harness does not need to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission lines, in particular to a transmission line for diagnosing and repairing an automobile system. Background Art

[0002] The automotive system diagnostic line refers to the data interface line used to connect the automotive diagnostic tool to the vehicle. It usually uses a standard OBD (On-Board Diagnostics) interface to read the fault codes of various vehicle systems, sensor data, and perform certain function settings. Through this line, automotive technicians or car owners can diagnose vehicle problems and perform maintenance and repairs. The repair line requires the operator to use a repair harness to connect to the automotive system for system repair after the problem is diagnosed. The traditional diagnostic line and repair are two harnesses. The operator needs to replace the repair harness after troubleshooting the problem, which is troublesome. Utility Model Content

[0003] In order to avoid replacing the wiring harness, the utility model provides an automobile system diagnosis and repair transmission line to solve the problems of the prior art.

[0004] The automobile system diagnosis and repair transmission line provided by the utility model adopts the following technical solutions:

[0005] An automobile system diagnosis and repair transmission line comprises a shell, wherein a PCB board and a plug connector are arranged in the shell, a part of the plug connector extends outside the shell, a plurality of pins are arranged on the plug connector, and the pins are electrically connected to the PCB board, two needle holder connectors are arranged on the PCB board, a plurality of pins are arranged on the needle holder connector, and the pins are electrically connected to the PCB board, the shell is connected to a diagnostic wiring harness and a repair wiring harness, and the diagnostic wiring harness and the repair wiring harness are both provided with a plurality of wires, and the plurality of wires of the diagnostic wiring harness and the repair wiring harness are respectively electrically connected to a plurality of pins of the two needle holder connectors.

[0006] Preferably, a wire sheath is provided between the diagnostic wire harness and the repair wire harness, and one end of the wire sheath is fixedly connected to the housing.

[0007] Preferably, a sheath is provided at the end of the shell, one end of the wire sheath is inserted into the sheath, a slot is provided on the inner wall of the sheath, a clamping strip is provided on the circumference of the wire sheath, and the clamping strip is embedded in the slot.

[0008] Preferably, the housing comprises an upper cover and a lower cover, and opposite edges of the upper cover and the lower cover are fixedly connected.

[0009] Preferably, the inner wall of the shell is provided with a plurality of positioning posts, the PCB board is provided with a plurality of positioning grooves, and the positioning posts are inserted into the positioning grooves.

[0010] Preferably, a peripheral surface of the plug connector is provided with an annular groove, and an end portion of the housing away from the diagnostic harness is circumferentially provided with a convex edge, and the convex edge is snap-fitted into the annular groove.

[0011] Preferably, the outer surface of the shell is provided with a plurality of anti-slip ridges.

[0012] In summary, the utility model includes at least one of the following beneficial technical effects:

[0013] Plug the plug connector into the car's system, and the diagnostic signal is transmitted from the diagnostic harness through the PCB board. After the problem is found, the repair harness transmits the data to the car system through the PCB board for repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is an explosion diagram of the utility model.

[0016] Figure 3 It is an explosion diagram of the utility model.

[0017] In the figure: 1, housing; 11, upper cover; 12, lower cover; 13, sheath; 131, slot; 14, positioning column; 15, convex edge; 16, anti-slip convex edge; 2, PCB board; 21, positioning slot; 3, plug connector; 31, pin; 32, ring groove; 4, needle seat connector; 41, pin; 5, diagnostic harness; 6, repair harness; 7, wire cover; 71, card strip; DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] The utility model embodiment discloses a vehicle system diagnosis and repair transmission line, such as Figure 1-3 As shown, the shell 1 includes an upper cover 11 and a lower cover 12. The upper cover 11 and the lower cover 12 are both injection-molded by ABS material. The opposite edges of the upper cover 11 and the lower cover 12 are fixed together by ultrasonic welding. A PCB board 2 is arranged in the shell 1. At the same time, a plurality of positioning posts 14 are integrally formed on the inner wall of one side of the shell 1. A plurality of positioning grooves 21 are arranged on the PCB board 2. In the present embodiment, the number of the positioning posts 14 and the positioning grooves 21 is preferably four. The four positioning posts 14 are located at the four corners of the shell 1. The positions of the four positioning posts 14 and the four positioning grooves 21 correspond respectively. The positioning posts 14 are inserted into the positioning grooves 21, so that the connection stability between the PCB board 2 and the shell 1 can be improved.

[0021] At the same time, a plug connector 3 is arranged in the shell 1, one side of the PCB board 2 is fixedly connected to the plug connector 3, a part of the plug connector 3 extends outside the shell 1, and a plurality of pin needles 31 are fixedly installed on the plug connector 3, and the plurality of pin needles 31 are electrically connected to the PCB board 2. At the same time, an annular groove 32 is provided on the circumferential surface of the plug connector 3, and a convex edge 15 is circumferentially arranged at the end of the shell 1, and the convex edge 15 is snapped into the annular groove 32. After the operator assembles the plug connector 3 between the lower cover 12, the upper cover 11 is covered, and the convex edge 15 is snapped into the annular groove 32, so that the plug connector 3 can be fixed to the shell 1.

[0022] At the same time, two needle holder connectors 4 are provided on the side of the PCB board 2 away from the plug connector 3, and a plurality of pins 41 are fixedly provided on the needle holder connector 4, and the plurality of pins 41 are electrically connected to the PCB board 2. The housing 1 is connected to a diagnostic harness 5 and a repair harness 6, and the diagnostic harness 5 and the repair harness 6 are both provided with a plurality of wires, wherein the plurality of wires of the diagnostic harness 5 are electrically connected to the plurality of pins 41 of one of the needle holder connectors 4, and the plurality of wires of the repair harness 6 are electrically connected to the plurality of pins 41 of the other needle holder connector 4. After the plug connector 3 is plugged into the system of the car, the diagnostic signal is transmitted from the diagnostic harness 5 after passing through the PCB board 2. After the problem is detected, the repair harness 6 transmits the data to the car system through the PCB board 2 for repair.

[0023] In addition, a wire sheath 7 is provided between the diagnostic wire harness 5 and the repair wire harness 6, and the wire sheath 7 is sleeved on the diagnostic wire harness 5 and the repair wire harness 6. The diagnostic wire harness 5 and the repair wire harness 6 are placed in the mold and integrally formed using PV. The end of the housing 1 away from the plug connector 3 is provided with an integrally formed sheath 13, one end of the wire sheath 7 is plugged into the sheath 13, and a card slot 131 is provided on the inner wall of the sheath 13. The peripheral surface of the wire sheath 7 is integrally formed with a card strip 71, and the card strip 71 is embedded in the card slot 131. After the wire sheath 7 is placed on the lower cover 12, the upper cover 11 is closed, and the card strip 71 is embedded in the card slot 131, so that the wire sheath 7 can be fixed on the housing 1, and the wire sheath 7 can protect the diagnostic wire harness 5 and the repair wire harness 6. In addition, the outer surface of the housing 1 is provided with a plurality of anti-skid ridges 16, and the anti-skid ridges 16 can increase the friction when the operator grasps the housing 1.

[0024] The implementation principle of the automobile system diagnosis and repair transmission line of the utility model embodiment is: the operator assembles the PCB board 2, the plug connector 3, the diagnostic wiring harness 5 and the repair wiring harness 6 onto the lower cover 12, and then covers the upper cover 11, ultrasonically welds the upper cover 11 and the lower cover 12, and after the plug connector 3 is plugged into the automobile system, the diagnostic signal is transmitted from the diagnostic wiring harness 5 after passing through the PCB board 2. After the problem is found, the repair wiring harness 6 transmits the data to the automobile system through the PCB board 2 for repair.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. Automotive system diagnosis and repair transmission line, characterized by: The invention comprises a shell (1), wherein a PCB board (2) and a plug connector (3) are arranged inside the shell (1), a part of the plug connector (3) extends outside the shell (1), a plurality of pins (31) are arranged on the plug connector (3), and the pins (31) are electrically connected to the PCB board (2), two needle seat connectors (4) are arranged on the PCB board (2), and a plurality of pins (41) are arranged on the needle seat connector (4), and the pins (41) are electrically connected to the PCB board (2), and the shell (1) is connected to a diagnostic wiring harness (5) and a repair wiring harness (6), and the diagnostic wiring harness (5) and the repair wiring harness (6) are both provided with a plurality of wires, and the plurality of wires of the diagnostic wiring harness (5) and the repair wiring harness (6) are respectively electrically connected to the plurality of pins (41) of the two needle seat connectors (4).

2. The automotive system diagnosis and repair transmission line according to claim 1, characterized in that: A wire sheath (7) is provided between the diagnostic wire harness (5) and the repair wire harness (6), and one end of the wire sheath (7) is fixedly connected to the housing (1).

3. The automotive system diagnosis and repair transmission line according to claim 2, characterized in that: A sheath (13) is provided at the end of the housing (1), one end of the wire sheath (7) is inserted into the sheath (13), a clamping groove (131) is provided on the inner wall of the sheath (13), a clamping strip (71) is provided on the circumference of the wire sheath (7), and the clamping strip (71) is embedded in the clamping groove (131).

4. The automotive system diagnosis and repair transmission line according to claim 1, characterized in that: The housing (1) comprises an upper cover (11) and a lower cover (12), and the upper cover (11) and the lower cover (12) are fixedly connected at opposite edges.

5. The automotive system diagnosis and repair transmission line according to claim 1, characterized in that: The inner wall of the housing (1) is provided with a plurality of positioning posts (14), the PCB board (2) is provided with a plurality of positioning grooves (21), and the positioning posts (14) are inserted into the positioning grooves (21).

6. The automotive system diagnosis and repair transmission line according to claim 1, characterized in that: The peripheral surface of the plug connector (3) is provided with an annular groove (32), and the end of the housing (1) away from the diagnostic harness (5) is circumferentially provided with a convex edge (15), and the convex edge (15) is snap-fitted into the annular groove (32).

7. The automotive system diagnosis and repair transmission line according to claim 1, characterized in that: The outer surface of the housing (1) is provided with a plurality of anti-slip ridges (16).

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