Conduction jig for detecting on-off of line wiring terminal

Abstract

The utility model relates to the technical field of circuit wiring terminal detection equipment, in particular to a conduction jig for detecting on-off of a circuit wiring terminal, which comprises a base, a probe fixing seat, a wiring terminal fixing seat and a guide rail, one side above the base is connected with the wiring terminal fixing seat, the other side above the base is fixedly connected with the guide rail, and the probe fixing seat is fixedly connected with the guide rail. The upper portion of the guide rail is in sliding connection with the bottom of the probe fixing seat, an elastic column hole is formed in the middle of the guide rail, a locking spring and an elastic column are arranged in the elastic column hole, the locking spring is arranged at the bottom of the elastic column hole, the upper portion of the locking spring is connected with the elastic column, and a locking groove is formed in the bottom of the probe fixing seat. A second pin shaft is installed on the side face of the probe fixing base, a pin hole and a sliding hole are formed in the poke rod, the pin hole of the poke rod is rotationally connected with the first pin shaft, the sliding hole of the poke rod is rotationally connected with the second pin shaft in a sliding mode, and the butt joint device has the advantages of being good in butt joint effect, small in butt joint occupied space, convenient to operate and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit terminal detection equipment, in particular to a conduction fixture for detecting the on-off of circuit terminals. Background Art

[0002] As is well known, with the development of industrial modernization and automation technology, the application of circuits is becoming more and more extensive. For example, the circuits of equipment such as numerical control machine tools, agricultural machinery, and automobiles are more and more numerous and complex, and their terminals are also more and more. The quality of the terminals is directly related to the stability of the use performance and the service life of the equipment.

[0003] Currently, existing conduction fixtures, such as the one with the patent number 2016214259995 and the patent name of a conduction fixture for detecting the on-off of circuit terminals, insert the wiring terminals stuck on the terminal bracket into the detection probes of the fixed bracket by pushing the terminal bracket, and then detect the wiring terminals. However, due to the installation position limitation of this conduction fixture, the space for pushing the terminal bracket is limited, and it is impossible to push the terminal bracket from the rear side, resulting in difficulty in docking the terminal bracket with the fixed bracket. Summary of the Invention

[0004] The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art, and provide a conduction fixture for detecting the on-off of circuit terminals with a simple structure, good docking effect, small occupied space for docking, and convenient operation.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A conduction fixture for detecting the on-off of circuit terminals, characterized in that the conduction fixture includes a base, a probe fixing seat, a terminal fixing seat, and a guide rail. One side above the base is connected to the terminal fixing seat, and the other side above the base is fixedly connected to the guide rail. The upper part of the guide rail is slidably connected to the bottom of the probe fixing seat. A spring post hole is provided in the middle of the guide rail near the terminal side. A locking spring and a spring post are arranged in the spring post hole. The locking spring is placed at the bottom of the spring post hole, and the upper part of the locking spring is connected to the spring post. A locking groove cooperating with the spring post is provided at the bottom of the probe fixing seat. A first pin shaft is installed on the side of the base, and a second pin shaft is installed on the side of the probe fixing seat. The toggle rod is respectively provided with a pin hole matching the position of the first pin shaft and a sliding hole cooperating with the second pin shaft. The pin hole of the toggle rod is rotatably connected to the first pin shaft, and the sliding hole of the toggle rod is slidably and rotatably connected to the second pin shaft. By pulling the toggle rod, the probe fixing seat is driven to move towards the direction close to the terminal fixing seat.

[0007] A guide rod is fixedly connected to the terminal fixing seat of the utility model. One end of the guide rod is fixedly connected to the terminal fixing seat, and the other end of the guide rod is inserted into the guide hole of the probe fixing seat. A guide return spring is sleeved on the guide rod.

[0008] Above the probe fixing base of the utility model, a detection probe is installed. A wiring terminal fixing groove is provided at the corresponding position of the wiring terminal fixing base. After the wiring terminal is placed in the wiring terminal fixing groove, it is moved by the probe fixing base, and the detection probe is inserted into the wiring terminal of the wiring fixing base.

[0009] The base of the utility model includes a connecting seat and a guide rail seat. The guide rail seat is fixedly connected to the connecting seat. One side of the guide rail seat is fixedly connected to the wiring terminal fixing base, and a guide rail is installed on the other side of the guide rail seat.

[0010] On one side of the base or the guide rail seat of the spring post hole in the middle of the guide rail of the utility model, a pneumatic operation hole is provided. A pneumatic operation rod is provided in the pneumatic operation hole. A pneumatic operation spring is sleeved on the pneumatic operation rod. One end of the pneumatic operation rod extends into the side slot of the spring post, and the other end of the pneumatic operation rod is connected to a pneumatic joint, and the pneumatic joint is fixed on the base or the guide rail seat.

[0011] On the other side of the base or the guide rail seat of the spring post hole in the middle of the guide rail of the utility model, a manual operation hole is provided. A manual operation rod is provided in the manual operation hole. One end of the manual operation rod extends into the slot on the side of the spring post, and the other end of the manual operation rod extends out of the base or the guide rail seat.

[0012] The guide rail of the utility model is provided as a dovetail-shaped convex platform, and a dovetail-shaped groove matching the dovetail-shaped convex platform is provided at the lower end of the probe fixing base.

[0013] The spring post of the utility model includes a cylinder and a ball head body. The cylinder and the ball head body are fixedly connected as a whole, and a slot is provided on the side of the cylinder.

[0014] The toggle rods of the utility model are arranged on both sides of the base. The upper ends of the two toggle rods are connected by a pull rod, and the toggle rods on both sides of the base are pulled by the pull rod.

[0015] Due to the adoption of the above structure, the utility model has the advantages of simple structure, good docking effect, small occupied space for docking, and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the open state of the probe fixing base and the wiring terminal fixing base of the utility model.

[0017] Figure 2 is a schematic structural diagram of the clamped state of the probe fixing base and the wiring terminal fixing base of the utility model. DETAILED DESCRIPTION OF THE INVENTION

[0018] The following further describes the utility model in conjunction with the drawings:

[0019] As shown in the attached drawings, a conduction fixture for detecting the on / off state of a wiring terminal of a circuit is characterized in that the conduction fixture comprises a base, a probe fixing seat 1, a wiring terminal fixing seat 2 and a guide rail 3. One side above the base is connected to the wiring terminal fixing seat 2, the other side above the base is fixedly connected to the guide rail 3, the upper part of the guide rail 3 is slidably connected to the bottom of the probe fixing seat 1. A spring post hole 4 is provided in the middle of the guide rail 3 near the wiring terminal side. A locking spring 5 and a spring post are provided in the spring post hole 4. The locking spring 5 is placed at the bottom of the spring post hole 4, and the upper part of the locking spring 5 is connected to the spring post. A locking groove matching with the spring post is provided at the bottom of the probe fixing seat 1. A first pin shaft 6 is installed on the side surface of the base, and a second pin shaft 7 is installed on the side surface of the probe fixing seat 1. The toggling lever 8 is respectively provided with a pin hole matching with the position of the first pin shaft 6 and a sliding hole 9 matching with the second pin shaft 7. The pin hole of the toggling lever 8 is rotatably connected to the first pin shaft 6, and the sliding hole 9 of the toggling lever 8 is slidably and rotatably connected to the second pin shaft 7. By pulling the toggling lever 8, the probe fixing seat 1 is driven to move towards the direction close to the wiring terminal fixing seat 2, and the locking groove under the probe fixing seat 1 is clamped into the spring post.

[0020] Further, a guide rod 10 is fixedly connected to the wiring terminal fixing seat 2. One end of the guide rod 10 is fixedly connected to the wiring terminal fixing seat 2, and the other end of the guide rod 10 is inserted into the guide hole of the probe fixing seat 1. A guide return spring 11 is sleeved on the guide rod 10.

[0021] Further, a detection probe 12 is installed above the probe fixing seat 1. A wiring terminal fixing groove 13 is provided at the corresponding position of the wiring terminal fixing seat 2. After the wiring terminal is placed in the wiring terminal fixing groove 13, the probe fixing seat 1 is moved to insert the detection probe 12 into the wiring terminal of the wiring fixing seat.

[0022] Further, the base comprises a connecting seat 14 and a guide rail seat 15. The connecting seat 14 is fixedly connected to the guide rail seat 15. One side of the guide rail seat 15 is fixedly connected to the wiring terminal fixing seat 2, and the guide rail 3 is installed on the other side of the guide rail seat 15.

[0023] Further, a pneumatic operation hole is provided on the base or the guide rail seat 15 on one side surface of the spring post hole 4 in the middle of the guide rail 3. A pneumatic operation rod 16 is provided in the pneumatic operation hole. A pneumatic operation spring 17 is sleeved on the pneumatic operation rod 16. One end of the pneumatic operation rod 16 extends into the side slot 18 of the spring post, and the other end of the pneumatic operation rod 16 is connected to a pneumatic joint 19. The pneumatic joint 19 is fixed on the base or the guide rail seat 15.

[0024] Further, a manual operation hole is provided on the base or the guide rail seat 15 on the other side surface of the spring post hole 4 in the middle of the guide rail 3. A manual operation rod 20 is provided in the manual operation hole. One end of the manual operation rod 20 extends into the side slot 18 of the spring post, and the other end of the manual operation rod 20 extends out of the base or the guide rail seat 15.

[0025] Further, the guide rail 3 is provided as a dovetail-shaped boss, and a dovetail-shaped groove for mating with the dovetail-shaped boss is provided at the lower end of the probe fixing seat 1.

[0026] Further, the elastic column includes a cylinder 21 and a spherical head 22, the cylinder 21 and the spherical head 22 are fixedly connected integrally, and a clamping groove 18 is provided on the side surface of the cylinder 21.

[0027] Further, the toggling rods 8 are provided on both sides of the base, the upper ends of the two toggling rods 8 are connected by a pull rod 23, and the toggling rods 8 on both sides of the base are pulled by the pull rod 23.

[0028] The specific structures of the wiring terminal fixing seat and the probe fixing seat involved in the above solution are the same as those in the prior art and will not be elaborated here.

[0029] In the manufacturing process of the present utility model, the base includes a connecting seat 14 and a guide rail seat 15. The connecting seat 14 is used to connect to the corresponding testing machine table. The guide rail seat 15 is fixedly connected to the connecting seat 14. The terminal fixing seat 2 can be directly connected to the connecting seat 14 or connected to the guide rail seat 15. A guide rail 3 is installed on the guide rail seat 15 on the side of the terminal fixing seat 2. The guide rail 3 is a dovetail-shaped convex platform. The bottom of the probe fixing seat 1 is provided with a dovetail-shaped groove that matches the dovetail-shaped convex platform, thereby realizing the sliding connection between the guide rail 3 and the probe fixing seat 1. A spring post hole 4 is provided in the middle of the guide rail 3. The lower end of the spring post hole 4 extends to the position of the guide rail seat 15. A spring post and a locking spring 5 are placed in the spring post hole 4. The ball head body 22 at the upper end of the spring post extends into the locking groove at the lower end of the probe fixing seat 1 for clamping and positioning. A clamping groove 18 is provided on the side of the cylinder body 21 at the lower end of the spring post. Pneumatic operation holes and manual operation holes are respectively provided on both sides of the guide rail seat 15. A pneumatic operation rod 16 is provided in the pneumatic operation hole. One end of the pneumatic operation rod 16 extends into the clamping groove 18 of the spring post, and the other end is connected to the pneumatic joint 19 on the guide rail seat 15. One end of the manual operation rod 20 extends into the clamping groove 18 of the spring post, and the other end extends out through the side of the guide rail seat 15 or the terminal fixing seat 2. A first pin shaft 6 is installed on the side of the guide rail seat 15, and a second pin shaft 7 is installed on the side of the probe fixing seat 1. The shifting rod 8 is respectively provided with a pin hole that matches the position of the first pin shaft 6 and a sliding hole 9 that matches the second pin shaft 7. The pin hole of the shifting rod 8 is rotatably connected to the first pin shaft 6, and the sliding hole 9 of the shifting rod 8 is slidably and rotatably connected to the second pin shaft 7. By pulling the shifting rod 8, the probe fixing seat 1 is driven to move towards the direction close to the terminal fixing seat 2, and the locking groove below the probe fixing seat 1 is clamped onto the ball head body 22 of the spring post. When the detection is completed, the spring post can be pressed down by the pneumatic operation rod 16, and then the probe fixing seat 1 is reset under the action of the guiding return spring 11. It can also be pressed by the manual operation rod 20 to press down the spring post, and then the probe fixing seat 1 is reset under the action of the guiding return spring 11. Since there are two shifting rods 8 and the shifting rods 8 are connected by a pull rod 23, the form of pushing the terminal fixing seat 2 from the side is changed to the form of pulling the probe fixing seat 1 from the upper end. Therefore, this method can save space and realize the docking between the terminal fixing seat 2 and the probe fixing seat 1 by pulling from above, and has the advantages of simple structure, good docking effect, small docking occupied space, and convenient operation.

Claims

1. A conduction fixture for detecting the continuity of circuit terminals, characterized in that The conduction fixture comprises a base, a probe fixing seat, a terminal fixing seat and a guide rail, wherein one side above the base is connected to the terminal fixing seat, the other side above the base is fixedly connected to the guide rail, the top of the guide rail is slidably connected to the bottom of the probe fixing seat, a spring hole is provided in the middle of the guide rail close to the terminal side, a locking spring and a spring are provided in the spring hole, the locking spring is placed at the bottom of the spring hole, the top of the locking spring is connected to the spring, a locking groove matching with the spring is provided at the bottom of the probe fixing seat, a first pin is installed on the side of the base, a second pin is installed on the side of the probe fixing seat, a pin hole matching with the position of the first pin and a sliding hole matching with the second pin are respectively provided on the toggle rod, the pin hole of the toggle rod is rotatably connected to the first pin, the sliding hole of the toggle rod is slidably and rotatably connected to the second pin, and the probe fixing seat is driven to move toward the direction close to the terminal fixing seat by pulling the toggle rod.

2. A conduction fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that The terminal fixing seat is fixedly connected to a guide rod, one end of the guide rod is fixedly connected to the terminal fixing seat, the other end of the guide rod is inserted into the guide hole of the probe fixing seat, and a guide reset spring is sleeved on the guide rod.

3. A conductive fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that A detection probe is installed above the probe fixing seat, and a terminal fixing groove is provided at a corresponding position of the terminal fixing seat. After the terminal is placed in the terminal fixing groove, the detection probe is inserted into the terminal of the terminal fixing seat by moving the probe fixing seat.

4. A conduction fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that The base comprises a connecting seat and a guide rail seat. The connecting seat is fixedly connected to the guide rail seat. One side of the guide rail seat is fixedly connected to the terminal fixing seat, and the other side of the guide rail seat is provided with a guide rail.

5. The conductive fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that A pneumatic operating hole is provided on the base or guide rail seat on one side of the spring hole in the middle of the guide rail, a pneumatic operating rod is provided in the pneumatic operating hole, a pneumatic operating spring is sleeved on the pneumatic operating rod, one end of the pneumatic operating rod extends into the slot on the side of the spring, the other end of the pneumatic operating rod is connected to the pneumatic joint, and the pneumatic joint is fixed on the base or guide rail seat.

6. A conduction fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that A manual operation hole is provided on the base or guide rail seat on the other side of the spring column hole in the middle of the guide rail, and a manual operation rod is provided in the manual operation hole. One end of the manual operation rod extends into the slot on the side of the spring column, and the other end of the manual operation rod extends out of the base or guide rail seat.

7. A conduction fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that The guide rail is configured as a dovetail boss, and the lower end of the probe fixing seat is provided with a dovetail groove matched with the dovetail boss.

8. The conductive fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that The elastic column comprises a cylinder and a spherical head. The cylinder and the spherical head are fixedly connected as one body, and a clamping groove is arranged on the side of the cylinder.

9. A conduction fixture for detecting the continuity of circuit terminals according to claim 1, characterized in that The toggle rods are arranged on both sides of the base, and the upper ends of the two toggle rods are connected via a pull rod, and the toggle rods on both sides of the base are pulled by the pull rod.

Images