Wiring terminal of permanent magnet synchronous motor

By designing the structure of the limit ring and rotating rod, the tool-free fixation of the terminals of the permanent magnet synchronous motor is achieved. Combined with the design of the exhaust fan and the heat dissipation hole, the problem of high temperature accumulation is solved, and the convenience of use and cooling efficiency is improved.

CN222581627UActive Publication Date: 2025-03-07JIANGSU LEADER STANDARD MOTORS CO LTD
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Patent Information

Application Number
CN202421087260.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-07
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The terminals of the existing permanent magnet synchronous motor need to be fixed with an external screwdriver, which is inconvenient for use, and it is easy to cause high temperature accumulation and cannot quickly cool down after long-term use.

Method used

A permanent magnet synchronous motor wiring terminal is designed to move the positioning plate downward by squeezing the limiting ring downward, fix the connecting line, and drive the limiting rod to limit the limiting ring through the rotating rod, so that no external tools are required to fix it. At the same time, exhaust fans and heat dissipation holes are installed to achieve air circulation and heat dissipation and rapid cooling.

Benefits of technology

It realizes the fixing of terminals without external tools, improves the convenience of use, and quickly cools down through the design of exhaust fans and heat dissipation holes, avoiding high-temperature accumulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a permanent magnet synchronous motor wiring terminal, which relates to the technical field of wiring terminals and comprises a wiring terminal shell, a second vertical plate is fixedly connected to the left side of the top of the wiring terminal shell, a limiting rod is in threaded connection with the middle end of the second vertical plate, and a rotating rod is fixedly connected to the outer side of the limiting rod. The right side of the top of the wiring terminal shell is fixedly connected with a first vertical plate, the middle end of the inner side of the first vertical plate is fixedly connected with a limiting pipe, the limiting ring is extruded downwards to drive the positioning plate to move downwards, the positioning plate moves downwards to fix a connecting wire, and the connecting wire is located in an inner cavity of the placing groove, so that the connecting wire is prevented from being damaged. A positioning plate is clamped into an inner cavity of a placement groove to fix a connecting wire, and a rotating rod is rotated to drive a limiting rod to move rightwards, penetrate through a first reserved hole, enter an inner cavity of a limiting hole and extend to an inner cavity of a limiting pipe to limit a limiting ring, so that external tools are not needed for use.
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Description

Technical Field

[0001] The utility model relates to the technical field of wiring terminals, in particular to a wiring terminal for a permanent magnet synchronous motor. Background Art

[0002] Terminal blocks are an accessory product used to achieve electrical connections, and are classified as connectors in the industry. With the increasing degree of industrial automation and the increasingly stringent and precise requirements for industrial control, the use of terminal blocks has gradually increased. With the development of the electronics industry, the use of terminal blocks has become more and more diverse. In addition to PCB board terminals, the most widely used ones include hardware terminals, nut terminals, spring terminals, and so on.

[0003] However, the existing permanent magnet synchronous motor terminal blocks are all fixed with bolts, which require the use of an external screwdriver, which is inconvenient to fix. At the same time, under long-term use, high temperature accumulation is easily caused due to continuous use, and the temperature cannot be quickly cooled.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a permanent magnet synchronous motor terminal is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a permanent magnet synchronous motor terminal to solve the problem that the existing permanent magnet synchronous motor terminal is fixed by bolts, which requires the use of an external screwdriver, is inconvenient to fix, and is prone to high temperature accumulation due to long-term use and cannot be cooled quickly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a permanent magnet synchronous motor terminal, comprising a terminal housing, a second vertical plate is fixedly connected to the left side of the top of the terminal housing, a limit rod is threadedly connected to the middle end of the second vertical plate, a rotating rod is fixedly connected to the outer side of the limit rod, a first vertical plate is fixedly connected to the right side of the top of the terminal housing, a limit tube is fixedly connected to the middle end of the inner side of the first vertical plate, and a limit hole is provided at the middle end of the limit tube;

[0007] The middle end of the top of the terminal housing is movably connected to a limit ring, and the upper end of the limit ring surface is provided with a first reserved hole, the bottom of the limit ring is fixedly connected with a positioning plate, the inner cavity of the terminal housing is clamped with a terminal placement plate, the top of the terminal placement plate is provided with a placement groove, and the left side of the terminal placement plate is provided with a second reserved hole.

[0008] Furthermore, a PLC controller is fixedly installed on the middle end of the back side of the terminal housing by means of bolts, and control buttons are arranged on the surface of the PLC controller.

[0009] Furthermore, a battery box is fixedly connected to one side of the terminal housing by bolts, a small storage battery is fixedly connected to the inner cavity of the battery box, a charging port is opened on one side of the battery box, and the output end of the charging port is unidirectionally electrically connected to the input end of the small storage battery.

[0010] Furthermore, a fixing block is fixedly connected to the right side of the wiring terminal placement plate, and a handle is fixedly connected to the surface of the fixing block.

[0011] Furthermore, a heat dissipation hole is provided at the lower end of the outer side of the terminal housing, and a dustproof net is provided in the inner cavity of the heat dissipation hole.

[0012] Furthermore, a first through hole is formed at the upper end of the outer side of the terminal housing, and a second through hole is formed at the right side of the terminal placement plate.

[0013] Furthermore, the left and right sides of the bottom of the inner cavity of the terminal housing are fixedly connected to the exhaust fan housing by bolts, and the inner cavity of the exhaust fan housing is fixedly connected to the exhaust fan body.

[0014] Furthermore, a mounting plate is fixedly connected to all four sides of the terminal housing, and a mounting hole is formed at the middle end of the mounting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model squeezes the limiting ring downward so that the limiting ring drives the positioning plate to move downward, and the connecting wire is fixed by the downward movement of the positioning plate, and the connecting wire is located in the inner cavity of the placement groove, and the positioning plate is inserted into the inner cavity of the placement groove to fix the connecting wire, and the limiting rod is driven to move to the right side by rotating the rotating rod and penetrate the first reserved hole into the inner cavity of the limiting hole and extend to the inner cavity of the limiting tube to limit the limiting ring, so that it can be used without the help of external tools;

[0017] 2. The utility model starts working by starting the exhaust fan body, and the exhaust fan body continuously blows air upwards. The exhaust fan body can make the inner cavity of the terminal housing in a state of continuous rotation and blowing, and heat dissipation holes are provided. The heat dissipation holes can blow the temperature away to the outside, and the outside air is guided to the inner cavity of the terminal housing for air circulation and heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of the exhaust fan of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the PLC controller of the utility model;

[0021] Figure 4 This is a schematic diagram of the second reserved hole structure of the utility model.

[0022] In the figure: 1. terminal housing; 2. battery box; 3. small storage battery; 4. heat dissipation hole; 5. first through hole; 6. terminal placement plate; 7. placement groove; 8. fixing block; 9. second through hole; 10. handle; 11. first vertical plate; 12. limit tube; 13. limit hole; 14. limit rod; 15. rotating rod; 16. second vertical plate; 17. first reserved hole; 18. exhaust fan housing; 19. positioning plate; 20. exhaust fan body; 21. limit ring; 22. mounting plate; 23. PLC controller; 24. mounting hole; 25. charging port; 26. second reserved hole. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1: Figure 1-Figure 4 As shown, a permanent magnet synchronous motor terminal comprises a terminal housing 1, a second vertical plate 16 is fixedly connected to the left side of the top of the terminal housing 1, a limit rod 14 is threadedly connected to the middle end of the second vertical plate 16, a rotating rod 15 is fixedly connected to the outer side of the limit rod 14, a first vertical plate 11 is fixedly connected to the right side of the top of the terminal housing 1, a limit tube 12 is fixedly connected to the middle end of the inner side of the first vertical plate 11, and a limit hole 13 is provided at the middle end of the limit tube 12;

[0025] A limit ring 21 is movably connected to the middle end of the top of the terminal housing 1, and a first reserved hole 17 is provided at the upper end of the surface of the limit ring 21, a positioning plate 19 is fixedly connected to the bottom of the limit ring 21, a terminal placement plate 6 is clamped in the inner cavity of the terminal housing 1, a placement groove 7 is provided on the top of the terminal placement plate 6, and a second reserved hole 26 is provided on the left side of the terminal placement plate 6.

[0026] Furthermore, a PLC controller 23 is fixedly mounted on the middle end of the back side of the terminal housing 1 by means of bolts, and a control button is arranged on the surface of the PLC controller 23 to conveniently control the switch of the heat dissipation device.

[0027] Furthermore, a battery box 2 is fixedly connected to one side of the terminal housing 1 by bolts, a small storage battery 3 is fixedly connected to the inner cavity of the battery box 2, a charging port 25 is opened on one side of the battery box 2, and the output end of the charging port 25 is unidirectionally electrically connected to the input end of the small storage battery 3, which is convenient for power supply and can be powered by a dedicated battery.

[0028] Furthermore, a fixing block 8 is fixedly connected to the right side of the terminal placement plate 6 , and a handle 10 is fixedly connected to the surface of the fixing block 8 .

[0029] Furthermore, a heat dissipation hole 4 is provided at the lower end of the outer side of the terminal housing 1, and a dustproof net is provided in the inner cavity of the heat dissipation hole 4, which is beneficial to the circulation of air and the heat dissipation of heating.

[0030] Furthermore, a first through hole 5 is provided at the upper end of the outer side of the terminal housing 1, and a second through hole 9 is provided at the right side of the terminal placement plate 6, which is beneficial for the transportation of the connecting wire.

[0031] Furthermore, the left and right sides of the bottom of the inner cavity of the terminal housing 1 are fixedly connected with an exhaust fan housing 18 by bolts, and the inner cavity of the exhaust fan housing 18 is fixedly connected with an exhaust fan body 20, which is beneficial to air blowing and heat dissipation.

[0032] Furthermore, mounting plates 22 are fixedly connected to the four sides of the terminal housing 1 , and a mounting hole 24 is formed at the middle end of the mounting plate 22 .

[0033] Working principle: First, by squeezing the limit ring 21 downward, the limit ring 21 drives the positioning plate 19 to move downward, and the connecting wire is fixed by the downward movement of the positioning plate 19. The connecting wire is located in the inner cavity of the placement groove 7, and the positioning plate 19 is inserted into the inner cavity of the placement groove 7 to fix the connecting wire.

[0034] Secondly, by rotating the rotating rod 15, the limiting rod 14 is driven to move to the right and pass through the first reserved hole 17 to enter the inner cavity of the limiting hole 13 and extend to the inner cavity of the limiting tube 12 to limit the limiting ring 21, so that it can be used without the help of external tools.

[0035] Finally, the exhaust fan body 20 is started to work, and the exhaust fan body 20 continuously blows air upwards. The exhaust fan body 20 can make the inner cavity of the terminal housing 1 in a state of continuous rotation and blowing, and a heat dissipation hole 4 is set. The heat dissipation hole 4 can blow the temperature away to the outside, and guide the outside air to the inner cavity of the terminal housing 1 for air circulation and heat dissipation.

[0036] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A permanent magnet synchronous motor terminal, comprising a terminal housing (1), characterized in that: A second vertical plate (16) is fixedly connected to the left side of the top of the terminal housing (1), a limit rod (14) is threadedly connected to the middle end of the second vertical plate (16), a rotating rod (15) is fixedly connected to the outer side of the limit rod (14), a first vertical plate (11) is fixedly connected to the right side of the top of the terminal housing (1), a limit tube (12) is fixedly connected to the middle end of the inner side of the first vertical plate (11), and a limit hole (13) is provided at the middle end of the limit tube (12); The middle end of the top of the terminal housing (1) is movably connected to a limit ring (21), and the upper end of the surface of the limit ring (21) is provided with a first reserved hole (17), the bottom of the limit ring (21) is fixedly connected to a positioning plate (19), the inner cavity of the terminal housing (1) is clamped with a terminal placement plate (6), the top of the terminal placement plate (6) is provided with a placement groove (7), and the left side of the terminal placement plate (6) is provided with a second reserved hole (26).

2. A permanent magnet synchronous motor terminal according to claim 1, characterized in that: A PLC controller (23) is fixedly mounted on the middle end of the back side of the terminal housing (1) by means of bolts, and a control button is arranged on the surface of the PLC controller (23).

3. A permanent magnet synchronous motor terminal according to claim 1, characterized in that: A battery box (2) is fixedly connected to one side of the terminal housing (1) by means of bolts, a small storage battery (3) is fixedly connected to the inner cavity of the battery box (2), a charging port (25) is provided on one side of the battery box (2), and an output end of the charging port (25) is electrically connected to an input end of the small storage battery (3) in a unidirectional manner.

4. A permanent magnet synchronous motor terminal according to claim 1, characterized in that: A fixing block (8) is fixedly connected to the right side of the wiring terminal placement plate (6), and a handle (10) is fixedly connected to the surface of the fixing block (8).

5. A permanent magnet synchronous motor terminal according to claim 1, characterized in that: A heat dissipation hole (4) is provided at the lower end of the outer side of the terminal housing (1), and a dustproof net is provided in the inner cavity of the heat dissipation hole (4).

6. A permanent magnet synchronous motor terminal according to claim 1, characterized in that: A first through hole (5) is provided at the upper end of the outer side of the terminal housing (1), and a second through hole (9) is provided on the right side of the terminal placement plate (6).

7. A permanent magnet synchronous motor terminal according to claim 1, characterized in that: The left and right sides of the bottom of the inner cavity of the terminal housing (1) are fixedly connected to an exhaust fan housing (18) by means of bolts, and the inner cavity of the exhaust fan housing (18) is fixedly connected to an exhaust fan body (20).

8. The permanent magnet synchronous motor terminal according to claim 1, characterized in that: The four sides of the terminal housing (1) are fixedly connected to a mounting plate (22), and a mounting hole (24) is provided at the middle end of the mounting plate (22).