Automobile wire harness terminal loosening testing device

Abstract

The utility model belongs to the technical field of test jigs, and particularly relates to an automobile wire harness terminal loosening test device, which comprises a test board, and a wire harness fixing mechanism is fixedly mounted at the top of the test board. The wire harness fixing mechanism comprises a fixing frame, a connecting frame is fixedly installed on the outer surface of the fixing frame, a motor is fixedly installed on the inner surface of the connecting frame, a rotating shaft is fixedly installed at the output end of the motor through a coupling, and a winding wheel is fixedly installed on the outer surface of the rotating shaft. According to the automobile wire harness terminal loosening testing device, a terminal is placed in a placement groove, a spring drives a top plate to extrude the terminal through a sliding rod, the terminal is fixed in the placement groove, then a user winds a wire harness connected with the terminal on a winding wheel, the tail end of the wire harness is clamped to a clamping groove, and a rotating shaft is driven to rotate through a motor; and the rotating shaft drives the wire harness to wind through the winding wheel, so that the wire harness gradually pulls the terminal, and the terminal continuously extrudes the pressure sensor.

Description

TECHNICAL FIELD

[0001] The utility model relates to test fixture technical field especially relates to automobile wire harness terminal loosening testing arrangement. BACKGROUND

[0002] With the rapid development of modern science and technology, the types of vehicle wire harness are more and more, when the wire harness is connected with the equipment, it is usually needed to set up the terminal on the end of the wire harness, a plurality of wire connection ports are set up on the terminal, the wire harness needs to be fixed by the lock on the side of the terminal plug after extending into the wire connection port.

[0003] In order to prevent the problem of not firm fixation between the wire harness and the terminal and falling off, the automobile wire harness terminal will be randomly inspected for anti-falling test when it is shipped, which will have the following problems in actual operation:

[0004] 1, when the wire harness terminal loosening detection, the one end of the wire harness and the terminal need to be clamped and fixed, and then move outward to test the loosening test between the wire harness and the terminal, since the wire harness is long, the detection equipment is large in size and occupies large area;

[0005] 2, since the wire harness port is prone to falling off during the loosening detection, the loosening detection between the wire harness and the terminal is affected, so that the loosening detection result is not accurate enough. INVENTION CONTENTS

[0006] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the present utility model is completed.

[0007] Specifically, the technical problem to be solved by the present utility model is to provide an automobile wire harness terminal loosening testing device to solve the problems of large size of the current wire harness terminal loosening detection equipment and easy falling off of the wire harness during the detection process, and the loosening equipment can only detect a single group of wire harness terminals, and the detection efficiency is low.

[0008] To solve the above technical problems, the utility model provides the following technical scheme:

[0009] The automobile wire harness terminal loosening testing device comprises a test table, a wire harness fixing mechanism is fixedly installed on the top of the test table, and a terminal fixing mechanism is fixedly installed on the top of the test table.

[0010] The wire harness fixing mechanism comprises a fixing frame, a connecting frame is fixedly installed on the outer surface of the fixing frame, a motor is fixedly installed on the inner surface of the connecting frame, a rotating shaft is fixedly installed on the output end of the motor through a coupling shaft coupling, and a winding wheel is fixedly installed on the outer surface of the rotating shaft.

[0011] As the improved technical scheme, the wire harness fixing mechanism further comprises clamping frames, opposite sides of the two clamping frames are fixedly connected with two sides of the winding wheel, and the outer surface of the clamping frame is provided with a clamping groove.

[0012] As the improved technical scheme, the bottom of the fixing frame is fixedly connected with the top of the test table, and opposite ends of the two rotating shafts penetrate through the fixing frame and extend to the inner surface of the fixing frame.

[0013] As the improved technical scheme, the terminal fixing mechanism comprises a placing frame, the bottom of the placing frame is fixedly connected with the top of the test table, the inner surface of the placing frame is provided with a placing groove, and the inner surface of the placing groove is fixedly installed with a pressure sensor.

[0014] As the improved technical scheme, the terminal fixing mechanism further comprises sliding rods, the outer surface of the sliding rod is slidably connected with the inner surface of the placing frame, the inner wall of the sliding rod is fixedly installed with a spring, one end of the spring is fixedly connected with the inner wall of the placing frame, and the side, away from each other, of the two sliding rods is fixedly installed with a top plate.

[0015] As the improved technical scheme, the top of the test table is fixedly installed with a control panel.

[0016] After the above technical scheme is adopted, the beneficial effects of the present application are as follows.

[0017] 1. The utility model discloses a design of quick loosening test for wire harness terminal, the cooperation of motor and rotation, winding wheel and clamping frame, the cooperation of clamping frame and clamping groove, the cooperation of placing frame and placing groove, sliding rod and spring, and sliding rod and top plate, so that the wire harness is wound, the terminal is pulled, the wire harness is fixed through winding, the wire harness tail end is not fixed and then pulled for test, the problem of large size of loosening test equipment is solved, the wire harness terminal is fixed on the test equipment quickly, and the efficiency of wire harness terminal loosening test is improved.

[0018] 2. The utility model discloses a design of improving the efficiency of wire harness terminal test, the cooperation of motor and rotation, winding wheel and clamping frame, the cooperation of clamping frame and clamping groove, the cooperation of placing frame and placing groove, sliding rod and spring, and sliding rod and top plate, so that two groups of wire harness terminals are tested alternately, the problem that traditional wire harness terminal test equipment can only test single wire harness terminal is solved, and the efficiency of wire harness terminal loosening test is improved. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those skilled in the art without creative labor on the premise of the drawings are within the scope of the present application.

[0020] Figure 1 It is a whole three-dimensional structure schematic diagram of the automobile wire harness terminal loosening test device of the present application.

[0021] Figure 2 It is a slide rod, spring and top plate structure schematic diagram of the automobile wire harness terminal loosening test device of the present application.

[0022] Figure 3 It is a wire harness fixing mechanism partial three-dimensional structure schematic diagram of the automobile wire harness terminal loosening test device of the present application.

[0023] Figure 4 It is a Figure 1 A enlarged view structure schematic diagram of the automobile wire harness terminal loosening test device of the present application.

[0024] Explanation of reference signs:

[0025] 1, test table; 2, wire harness fixing mechanism; 21, fixing frame; 22, connecting frame; 23, motor; 24, rotating shaft; 25, winding wheel; 26, clamping frame; 27, clamping groove; 3, terminal fixing mechanism; 31, placing frame; 32, placing groove; 33, pressure sensor; 34, slide rod; 35, spring; 36, top plate; 4, control panel. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0028] Meanwhile, "and / or" or "and / or" appearing in the whole text means that it includes three schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme.

[0029] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0030] As Figure 1 and Figure 3 Commonly shown, the present embodiment provides a car wire harness terminal loose test device, the car wire harness terminal loose test device includes test table 1, the top of test table 1 is fixedly installed wire harness fixing mechanism 2, the top of test table 1 is fixedly installed terminal fixing mechanism 3;

[0031] Wire harness fixing mechanism 2 includes fixed frame 21, the outer surface of fixed frame 21 is fixedly installed with connecting frame 22, the inner surface of connecting frame 22 is fixedly installed with motor 23, the output end of motor 23 is fixedly installed with rotating shaft 24 through coupling shaft coupling, the outer surface of rotating shaft 24 is fixedly installed with winding wheel 25.

[0032] Motor 23 is electrically connected with external power supply, and motor 23 is controlled by external plc programming program.

[0033] As Figure 1 and Figure 3 Commonly shown, wire harness fixing mechanism 2 further includes clamping frame 26, the opposite side of two clamping frames 26 is fixedly connected with the two sides of winding wheel 25, and the outer surface of clamping frame 26 is provided with clamping groove 27.

[0034] Clamping groove 27 is used for clamping the tail end of wire harness, so that the winding wheel 25 continuously rotates and winds the wire harness on the winding wheel 25.

[0035] As Figure 1 and Figure 3 Commonly shown, the bottom of fixed frame 21 is fixedly connected with the top of test table 1, and the opposite end of two rotating shafts 24 is fixedly connected with the top of test table 1.

[0036] As Figure 1 , Figure 2 and Figure 4As shown in the figures, the terminal fixing mechanism 3 comprises a placing rack 31, the bottom of the placing rack 31 is fixedly connected with the top of the test table 1, the inner surface of the placing rack 31 is provided with a placing groove 32, and the inner surface of the placing groove 32 is fixedly installed with a pressure sensor 33.

[0037] The pressure sensor 33 is electrically connected with an external power supply, and the pressure sensor 33 is controlled by an external PLC programming program.

[0038] As shown in the figures, Figure 1 , Figure 2 and Figure 4 As shown in the figures, the terminal fixing mechanism 3 further comprises a sliding rod 34, the outer surface of the sliding rod 34 is slidingly connected with the inner surface of the placing rack 31, the inner wall of the sliding rod 34 is fixedly installed with a spring 35, one end of the spring 35 is fixedly connected with the inner wall of the placing rack 31, and the mutually faraway sides of the two sliding rods 34 are fixedly installed with a top plate 36.

[0039] Due to the elastic force of the spring 35, the two top plates 36 move inwardly to fix terminals of different sizes into the placing groove 32.

[0040] As shown in the figures, Figure 1 the top of the test table 1 is fixedly installed with a control panel 4.

[0041] The control panel 4 is electrically connected with an external power supply, and the control panel 4 can control the forward and reverse driving of the motor 23 and can receive the pulling force value transmitted by the pressure sensor 33.

[0042] In use, the user first places the terminal into the placing groove 32, so that the spring 35 drives the top plate 36 to press the terminal through the sliding rod 34, and then the user winds the wire harness connected with the terminal on the winding wheel 25 and clamps the tail end of the wire harness on the clamping groove 27, drives the rotating shaft 24 to rotate through the motor 23, drives the wire harness to wind through the winding wheel 25, gradually pulls the terminal, continuously presses the pressure sensor 33, and transmits the value to the control panel 4, until the anti-pulling value between the wire harness terminals reaches, the wire harness terminal is released, and then the motor 23 drives the rotating shaft 24 to reverse, releases the wire harness on the winding wheel 25, and then the user takes out the wire harness terminal and replaces it with a new wire harness terminal for testing. Since the test table 1 has two groups of wire harness fixing mechanisms 2 and terminal fixing mechanisms 3, the wire harness terminals can be continuously and alternately tested.

[0043] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or deformations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. Device for testing the loosening of terminals of a wiring harness of a vehicle, comprising a testing bench (1), characterized in that: The top of the test bench (1) is fixedly installed with a wire harness fixing mechanism (2), and the top of the test bench (1) is fixedly installed with a terminal fixing mechanism (3). The wire harness fixing mechanism (2) comprises a fixing frame (21), the outer surface of the fixing frame (21) is fixedly installed with a connecting frame (22), the inner surface of the connecting frame (22) is fixedly installed with a motor (23), the output end of the motor (23) is fixedly installed with a rotating shaft (24) through a coupling shaft, and the outer surface of the rotating shaft (24) is fixedly installed with a winding wheel (25).

2. The automotive wire harness terminal pull test device of claim 1, wherein: The wire harness fixing mechanism (2) further comprises a clamping frame (26), the opposite sides of the two clamping frames (26) are fixedly connected with the two sides of the winding wheel (25), and the outer surface of the clamping frame (26) is provided with a clamping groove (27).

3. The automotive wire harness terminal pull test device of claim 1, wherein: The bottom of the fixing frame (21) is fixedly connected with the top of the test bench (1), and the opposite ends of the two rotating shafts (24) penetrate through the fixing frame (21) and extend to the inner surface of the fixing frame (21).

4. The automotive wire harness terminal pull test device of claim 1, wherein: The terminal fixing mechanism (3) comprises a placing frame (31), the bottom of the placing frame (31) is fixedly connected with the top of the test bench (1), the inner surface of the placing frame (31) is provided with a placing groove (32), and the inner surface of the placing groove (32) is fixedly installed with a pressure sensor (33).

5. The automotive wire harness terminal pull test device of claim 1, wherein: The terminal fixing mechanism (3) further comprises a sliding rod (34), the outer surface of the sliding rod (34) is slidably connected with the inner surface of the placing frame (31), the inner wall of the sliding rod (34) is fixedly installed with a spring (35), one end of the spring (35) is fixedly connected with the inner wall of the placing frame (31), and the opposite sides of the two sliding rods (34) are fixedly installed with a top plate (36).

6. The automotive wire harness terminal pull test device of claim 1, wherein: The top of the test bench (1) is fixedly installed with a control panel (4).

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