Rapid crimping device for motor wiring terminal

By designing a protective cover and a limit block in the quick crimping device for motor terminals, the problem of easy collision with the crimping joint is solved, the crimping stability and safety of the motor terminals are improved, and electrical faults are prevented.

CN224006302UActive Publication Date: 2026-03-17HUBEI YINGGU MOTOR TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing quick crimping devices for motor terminals are prone to collisions in motor repair workshops due to the clutter of tools and parts, which can lead to decreased crimping accuracy, loose crimping, increased contact resistance, and affect the normal operation of the motor, or even cause electrical faults.

Method used

A protective device comprising a protective cover, a mounting plate, and a protective shell was designed. Through the cooperation of a conical block and a limiting block, the pressure joint is protected, preventing collisions with other objects and improving the safety performance of the equipment.

Benefits of technology

This effectively prevents the crimping connector from being impacted when not in operation, improving the safety and stability of the crimping device and ensuring the normal operation of the motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rapid crimping device for a motor wiring terminal, and relates to the technical field of basic electrical elements. A rapid crimping device for a motor wiring terminal comprises a workbench and a supporting frame, a protection device is arranged on the supporting frame and comprises a protection cover, a mounting plate and two protection shells, the two protection shells are correspondingly and fixedly connected on the two sides of the mounting plate, and a fixing plate is fixedly connected to one side of the protection cover. The conical blocks on the two sides of the fixing plate are aligned with the conical block grooves in the fixing plate mounting groove to be inserted, the fixing plate is pushed to slide in the fixing plate mounting groove, after the fixing plate is mounted in place, the pull rod is loosened, the reset spring rebounds, the limiting block is pushed to slide into the first limiting block groove again, the position of the fixing plate is limited, and mounting of the protection device is completed. In this way, the crimping head is protected through the protective cover, so that other objects are prevented from colliding with the crimping head of the crimping device which does not work, and the safety performance of the equipment is effectively improved.
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Description

Technical Field

[0001] This utility model relates to the field of basic electrical components technology, and in particular to a quick crimping device for motor terminals. Background Technology

[0002] A quick-connect crimping device for motor terminals is a device used for quickly and efficiently crimping motor terminals. This device is commonly used in motor manufacturing or repair processes to securely connect the ends of wires to the terminals, ensuring reliable and stable electrical connections for the motor.

[0003] Existing motor terminal quick crimping devices consist of a crimping mechanism, a feeding mechanism, and a control system. The crimping mechanism is used to crimp terminals and wires, and typically includes crimping molds and crimping heads. The feeding mechanism is used to automatically or manually feed terminals and wires into the crimping position.

[0004] Existing quick-connection devices for motor terminals, under the control of the control system, crimp the terminals and wires to ensure a secure connection. However, in motor repair workshops, tools and parts are often scattered, and workers may accidentally bump other items onto the crimping joints of unused devices during busy operations. This can significantly reduce the accuracy of the crimping joints, potentially leading to problems such as loose crimping and increased contact resistance. This can not only affect the normal operation of the motor, causing it to overheat and lose power, but may even trigger electrical faults such as short circuits or open circuits, resulting in serious losses to production. Utility Model Content

[0005] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a quick crimping device for motor terminals. This device can solve the problem that in motor repair workshops, tools and parts are often placed in a messy manner, and workers may accidentally bump other items onto the crimping device's crimping joints while they are busy operating. This can lead to a significant decrease in the accuracy of the crimping joints, which may result in problems such as loose crimping and increased contact resistance. This can not only affect the normal operation of the motor, causing it to overheat and lose power, but may even cause electrical faults such as short circuits and open circuits, resulting in serious losses to production.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick crimping device for motor terminals, comprising a workbench and a support frame, wherein a protective device is provided on the support frame;

[0007] The protective device includes a protective cover, a mounting plate, and two protective shells. The two protective shells are fixedly connected to each other on both sides of the mounting plate. A fixing plate is fixedly connected to one side of the protective cover. A fixing plate mounting groove is opened on the lower surface of the mounting plate. A pressure joint is installed inside the fixing plate mounting groove. The outer wall of the fixing plate is slidably connected to the inside of the fixing plate mounting groove. A second limiting block groove is opened on both sides of the inner wall of the fixing plate mounting groove.

[0008] Among them, the interior of the two second limiting block slots is slidably connected to a limiting block, the outer walls of both sides of the fixing plate are provided with a first limiting block slot, the outer walls of the two protective shells are slidably connected to a pull rod, and the outer walls of the two pull rods are sleeved with a return spring.

[0009] Preferably, the outer walls of the two conical blocks on both sides of the fixing plate are slidably connected to the interior of the four conical block grooves inside the mounting groove of the fixing plate, and the pressure joint is located inside the protective cover and the fixing plate;

[0010] In this configuration, the ends of the two limiting blocks near the first limiting block groove both slide into the interior of the fixing plate mounting groove and respectively contact the inner wall of the corresponding first limiting block groove.

[0011] Preferably, the interiors of the two protective shells are respectively connected to the interiors of the corresponding second limiting block grooves, and the ends of the two pull rods near the limiting blocks slide into the interiors of the second limiting block grooves and are respectively fixedly connected to one end of the corresponding limiting blocks;

[0012] The two ends of the two reset springs are fixedly connected to one end of the corresponding limit block and the inner wall of the groove of the second limit block, respectively.

[0013] Preferably, the support frame is fixedly connected to the upper surface of the workbench, and a fixing frame is fixedly connected to the upper surface of the workbench;

[0014] The support frame is L-shaped, and a slot is opened on the upper left side of the fixed frame, through which a bidirectional threaded rod is rotatably connected.

[0015] Preferably, a cylinder is installed at the upper end of the support frame, and the output end of the cylinder slides to the outside of the upper end of the support frame and is fixedly connected to the upper surface of the mounting plate. A fixing rod is fixedly connected inside a groove on the upper right side surface of the fixing frame.

[0016] The outer wall of the bidirectional threaded rod has two clamping plates, and the lower right end of each clamping plate is slidably connected to the outer wall of the fixed rod.

[0017] Preferably, a motor is installed inside the groove on one side of the fixing frame, and the output end of the motor extends rotatably into the groove on the upper left surface of the fixing frame and is fixedly connected to one end of the bidirectional threaded rod.

[0018] Among them, the two sliding rods slidably connected at the upper end of the support frame extend to the outside of the upper end of the support frame and are fixedly connected to the upper surface of the mounting plate.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This quick crimping device for motor terminals uses a protective device where the conical blocks on both sides of the fixed plate are aligned with the conical block slots inside the mounting groove of the fixed plate and inserted. The fixed plate is then pushed to slide within the mounting groove. Once the fixed plate is in place, the pull rod is released, the return spring rebounds, and the limit block slides back into the first limit block slot, restricting the position of the fixed plate and completing the installation of the protective device. This protective cover protects the crimping joint, preventing other objects from colliding with the crimping joint of the non-working device, effectively improving the safety performance of the equipment. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the external structure of the mounting plate of this utility model;

[0024] Figure 3 This is a schematic diagram of the external structure of the crimp connector of this utility model;

[0025] Figure 4 This utility model Figure 3 A structural schematic diagram of the enlarged view at point A in the middle.

[0026] Reference numerals: 1. Workbench; 2. Fixed frame; 3. Protective cover; 4. Bidirectional threaded rod; 5. Motor; 6. Tie rod; 7. Protective shell; 8. Cylinder; 9. Support frame; 10. Press joint; 11. Fixed rod; 12. Clamping plate; 13. Mounting plate; 14. Return spring; 15. Fixed plate mounting groove; 16. Fixed plate; 17. First limit block groove; 18. Second limit block groove; 19. Limit block. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] Please see Figure 1-4 This utility model provides a technical solution: a quick crimping device for motor terminals, including a workbench 1 and a support frame 9;

[0032] The support frame 9 is equipped with a protective device;

[0033] The protective device includes a protective cover 3, a mounting plate 13, and two protective shells 7. The two protective shells 7 are fixedly connected to both sides of the mounting plate 13. A fixing plate 16 is fixedly connected to one side of the protective cover 3. A fixing plate mounting groove 15 is formed on the lower surface of the mounting plate 13. A pressure connector 10 is installed inside the fixing plate mounting groove 15. The outer wall of the fixing plate 16 is slidably connected to the inside of the fixing plate mounting groove 15. A second limiting block groove 18 is formed on both inner walls of the fixing plate mounting groove 15. A limiting block 19 is slidably connected inside each of the two second limiting block grooves 18. The outer walls of the two conical blocks on both sides of the fixing plate 16 are slidably connected to the inside of the four conical block grooves inside the fixing plate mounting groove 15. The pressure connector 10 is located inside the protective cover 3 and the fixing plate 16. The fixing plate 16 has first limiting block grooves 17 on both outer walls. The ends of the two limiting blocks 19 near the first limiting block grooves 17 slide into the interior of the fixing plate mounting groove 15 and contact the inner wall of the corresponding first limiting block groove 17. The interiors of the two protective shells 7 are connected to the interiors of the corresponding second limiting block grooves 18. The outer walls of the two protective shells 7 are slidably connected with pull rods 6. The ends of the two pull rods 6 near the limiting blocks 19 slide into the interior of the second limiting block grooves 18 and are fixedly connected to the ends of the corresponding limiting blocks 19. The outer walls of the two pull rods 6 are fitted with return springs 14. The two ends of the two return springs 14 are fixedly connected to the ends of the corresponding limiting blocks 19 and the inner walls of the second limiting block grooves 18.

[0034] The support frame 9 is fixedly connected to the upper surface of the workbench 1. The upper surface of the workbench 1 is fixedly connected to the fixed frame 2. The support frame 9 is L-shaped. A double-threaded rod 4 is rotatably connected to the upper left side of the fixed frame 2. A cylinder 8 is installed at the upper end of the support frame 9. The output end of the cylinder 8 slides to the outside of the upper end of the support frame 9 and is fixedly connected to the upper surface of the mounting plate 13. A fixed rod 11 is fixedly connected to the upper right side of the fixed frame 2. Two clamping plates 12 are threaded to the outer wall of the double-threaded rod 4. The lower right ends of the two clamping plates 12 are slidably connected to the outer wall of the fixed rod 11. A motor 5 is installed in the groove on one side of the fixed frame 2. The output end of the motor 5 rotatably extends to the groove on the upper left side of the fixed frame 2 and is fixedly connected to one end of the double-threaded rod 4. The ends of the two sliding rods slidably connected to the upper end of the support frame 9 near the mounting plate 13 slide to the outside of the upper end of the support frame 9 and are fixedly connected to the upper surface of the mounting plate 13.

[0035] Furthermore, when using this device, it is started by connecting an external power source. The motor terminals and cables are placed on the fixed frame 2. The motor 5 drives the bidirectional threaded rod 4 to rotate. The rotation of the bidirectional threaded rod 4 causes the two clamping plates 12 to move towards each other, firmly clamping the motor terminals and cables between the two clamping plates 12, ensuring the stability of the workpiece during the crimping process and preventing displacement. Then, the output end of the cylinder 8 extends, driving the mounting plate 13 to move downward. The mounting plate 13 drives the crimping connector 10 to move downward. The crimping connector 10 gradually approaches and crimps the motor terminals. When the crimping connector 10 is not working, the conical blocks on both sides of the fixed plate 16 are aligned with the conical block slots inside the mounting groove 15 of the fixed plate and inserted. The fixed plate 16 is then pushed to fix the fixed plate. The plate 16 slides within the mounting groove 15. Once the fixed plate 16 is in place, the pull rod 6 is released, the return spring 14 rebounds, and the limiting block 19 slides back into the first limiting block groove 17, restricting the position of the fixed plate 16 and completing the installation of the protective device. In this way, the pressure joint 10 is protected by the protective cover 3. Then, when it is necessary to remove the protective cover 3, the pull rod 6 on the outer wall of the two protective shells 7 is pulled. The pull rod 6 drives the limiting block 19 to slide within the second limiting block groove 18, compressing the return spring 14 and causing the limiting block 19 to disengage from the first limiting block grooves 17 on both sides of the fixed plate 16. At this time, the limitation between the fixed plate 16 and the mounting plate 13 is released, and the fixed plate 16 and the protective cover 3 connected to it can be slid out from the fixed plate mounting groove 15, completing the disassembly of the protective device.

[0036] In the protective device, the conical blocks on both sides of the fixed plate 16 are aligned with the conical block slots inside the fixed plate mounting groove 15 and inserted. The fixed plate 16 is pushed to slide within the fixed plate mounting groove 15. After the fixed plate 16 is installed in place, the pull rod 6 is released, the return spring 14 rebounds, and the limit block 19 is pushed back into the first limit block slot 17 to limit the position of the fixed plate 16, thus completing the installation of the protective device. In this way, the protective cover 3 protects the crimping connector 10, thereby preventing other objects from colliding with the non-working crimping device crimping connector 10, effectively improving the safety performance of the equipment.

[0037] Structural Description: Workbench 1: Serves as the basic support platform for the entire device, providing a foundation for the installation and fixing of other components. The upper surface of the workbench 1 is fixedly connected to a fixing frame 2 and a support frame 9.

[0038] Fixed frame 2: Fixed on the upper surface of workbench 1, with a groove on the upper left side for rotatably connecting the bidirectional threaded rod 4, and a groove on the upper right side for fixing the fixed rod 11. A motor 5 is installed inside the groove on one side of the fixed frame 2. The output end of the motor 5 is connected to one end of the bidirectional threaded rod 4, which can drive the bidirectional threaded rod 4 to rotate.

[0039] Protective cover 3: It is connected to the mounting plate 13 via a fixing plate 16 on one side. The outer wall of the fixing plate 16 is slidably connected to the fixing plate mounting groove 15 opened on the lower surface of the mounting plate 13. The conical blocks on both sides of the fixing plate 16 slide correspondingly to the conical block grooves inside the fixing plate mounting groove 15, so as to realize the stable installation and adjustable connection of the fixing plate 16 on the mounting plate 13. The protective cover 3 is used to protect the crimp connector 10, prevent the crimp connector 10 from being hit and worn during daily use, and protect the safety of the operator.

[0040] Mounting plate 13: Two protective shells 7 are fixedly connected to each other on both sides. The lower surface is provided with a mounting groove 15 for mounting the mounting plate 16 and the crimp connector 10. The inner walls on both sides of the mounting groove 15 are provided with second limiting block grooves 18 for mounting limiting blocks 19. The position of the mounting plate 16 is limited by the cooperation between the limiting blocks 19 and the first limiting block grooves 17 on both sides of the mounting plate 16.

[0041] Protective shell 7: Installed on both sides of the mounting plate 13, its interior communicates with the second limiting block groove 18. A pull rod 6 is slidably connected to the outer wall of the protective shell 7. One end of the pull rod 6 is fixedly connected to the limiting block 19. By pulling the pull rod 6, the position of the limiting block 19 in the second limiting block groove 18 can be controlled, thereby realizing the installation and disassembly of the fixing plate 16. The protective shell 7 plays a role in protecting and safeguarding the limiting block 19, the pull rod 6, and the return spring 14.

[0042] Fixed plate 16: It is fixedly connected to the protective cover 3. The outer walls on both sides are provided with first limiting block grooves 17, which cooperate with the limiting block 19 to realize the positioning and fixing of the fixed plate 16 in the fixed plate mounting groove 15. The fixed plate 16 is slidably connected to the tapered block groove inside the fixed plate mounting groove 15 through the tapered blocks on both sides, which facilitates the adjustment of position and installation and disassembly.

[0043] Limiting block 19: It is slidably connected in the second limiting block groove 18, and one end extends into the inside of the fixing plate mounting groove 15 and contacts the inner wall of the first limiting block groove 17 to limit the position of the fixing plate 16. The limiting block 19 is connected to the protective shell 7 through the pull rod 6. It can be disengaged from the first limiting block groove 17 under the pull of the pull rod 6 so as to disassemble the fixing plate 16 and the protective cover 3.

[0044] Return spring 14: It is sleeved on the outer wall of the pull rod 6, and its two ends are fixedly connected to one end of the limiting block 19 and the inner wall of the second limiting block groove 18, respectively. When the pull rod 6 is not subjected to external force, the return spring 14 keeps the limiting block 19 in the position that cooperates with the first limiting block groove 17, and fixes the fixing plate 16. When the pull rod 6 is pulled, the return spring 14 is compressed, and the limiting block 19 is disengaged from the first limiting block groove 17.

[0045] Bidirectional threaded rod 4: Rotatably connected to the groove on the upper left side of the fixed frame 2, and its outer wall is threaded with two clamping plates 12. When the bidirectional threaded rod 4 rotates, the two clamping plates 12 will move towards or away from each other under the action of the bidirectional threaded rod 4 to clamp the motor terminals and cables, ensuring the stability of the workpiece during the crimping process.

[0046] Fixed rod 11: Fixed inside the groove on the upper right side surface of the fixed frame 2. The lower right side of the two clamping plates 12 is slidably connected to the outer wall of the fixed rod 11, providing guidance for the movement of the clamping plates 12 and ensuring that the clamping plates 12 move smoothly under the drive of the bidirectional threaded rod 4.

[0047] Motor 5: Installed inside the groove on one side of the fixed frame 2, its output end is fixedly connected to one end of the bidirectional threaded rod 4, providing power for the rotation of the bidirectional threaded rod 4, thereby realizing the automatic adjustment of the two clamping plates 12;

[0048] Cylinder 8: Installed on the upper end of the support frame 9, with its output end fixedly connected to the upper surface of the mounting plate 13. Through the extension and retraction of cylinder 8, the mounting plate 13 and the protective device and crimping joint 10 installed on it are moved up and down to achieve the crimping action.

[0049] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A motor terminal quick crimping device comprising a workbench (1) and a support frame (9), characterized in that: The support frame (9) is provided with a protection device; The protection device comprises a protective cover (3), a mounting plate (13) and two protective shells (7), the two protective shells (7) are fixedly connected on both sides of the mounting plate (13), one side of the protective cover (3) is fixedly connected with a fixed plate (16), a fixed plate mounting groove (15) is formed in the lower surface of the mounting plate (13), a crimping joint (10) is mounted in the fixed plate mounting groove (15), the outer wall of the fixed plate (16) is slidably connected with the inside of the fixed plate mounting groove (15), and second limiting block grooves (18) are formed in the inner walls of both sides of the fixed plate mounting groove (15). The inside of each of the two second limiting block grooves (18) is slidably connected with a limiting block (19), first limiting block grooves (17) are formed in the outer walls of both sides of the fixed plate (16), and the outer walls of the two protective shells (7) are slidably connected with pull rods (6), and the outer walls of the two pull rods (6) are sleeved with return springs (14).

2. A motor terminal quick crimping device according to claim 1, characterized in that: The outer walls of the two tapered blocks on both sides of the fixed plate (16) are slidably connected with the inside of the four tapered block grooves in the fixed plate mounting groove (15), and the crimping joint (10) is located in the inside of the protective cover (3) and the fixed plate (16). The end of each of the two limiting blocks (19) close to the first limiting block groove (17) is slidably extended to the inside of the fixed plate mounting groove (15) and is in contact with the inner wall of the corresponding first limiting block groove (17).

3. A motor terminal quick crimping device according to claim 1, characterized in that: The insides of the two protective shells (7) are respectively communicated with the insides of the corresponding second limiting block grooves (18), and the ends of the two pull rods (6) close to the limiting blocks (19) are slidably extended to the insides of the second limiting block grooves (18) and are respectively fixedly connected with one end of the corresponding limiting block (19). The two ends of the two return springs (14) are respectively fixedly connected with one end of the corresponding limiting block (19) and the inner wall of the second limiting block groove (18).

4. A motor terminal quick crimping device according to claim 1, characterized in that: The support frame (9) is fixedly connected to the upper surface of the workbench (1), and the upper surface of the workbench (1) is fixedly connected with a fixed frame (2); The left upper surface of the fixed frame (2) is rotatably connected with a bidirectional threaded rod (4) in the groove formed therein.

5. A motor terminal quick crimping device according to claim 1, characterized in that: The upper end of the support frame (9) is provided with a gas cylinder (8), the output end of the gas cylinder (8) is slidably extended to the outside of the upper end of the support frame (9) and is fixedly connected with the upper surface of the mounting plate (13), and the right upper surface of the fixed frame (2) is fixedly connected with a fixed rod (11) in the groove formed therein; The outer wall of the bidirectional threaded rod (4) is threadedly connected with two clamping plates (12), and the lower ends of the right sides of the two clamping plates (12) are slidably connected with the outer wall of the fixed rod (11).

6. A motor terminal quick crimping device according to claim 4, characterized in that: The inside of the groove in one side of the fixed frame (2) is provided with a motor (5), and the output end of the motor (5) is rotatably extended to the inside of the groove formed in the left upper surface of the fixed frame (2) and is fixedly connected with one end of the bidirectional threaded rod (4). The ends of the two slide rods slidably connected with the upper end of the support frame (9) close to the mounting plate (13) are slidably extended to the outside of the upper end of the support frame (9) and are fixedly connected with the upper surface of the mounting plate (13).