Motor wiring device with sealing structure

By using sealing covers, sealing rings and other structures in the motor wiring device, the problem of moisture, dust and oil stains caused by gaps during motor wiring is solved, and a better motor sealing effect and a longer service life is achieved.

CN222602177UActive Publication Date: 2025-03-11SHANGHAI ANGDIAN ELECTRIC MASCH CO LTD
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Patent Information

Application Number
CN202420993891.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-11
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

Existing motor wiring devices are prone to create gaps when connected, causing external moisture, dust and oil to enter the motor, damaging the motor performance and shortening its life.

Method used

A motor wiring device with a sealing structure is designed, using a sealing cover, sealing ring, sealing groove, sealing hose and fixing bolts. Through the method of hinge rotational connection and threaded connection, the gap is reduced and the sealing effect is enhanced.

Benefits of technology

It effectively avoids moisture, dust and oil stains in the external environment entering the motor, protects the motor performance and extends its service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222602177U_ABST
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Abstract

The utility model discloses a motor wiring device with a sealing structure, which relates to the technical field of motor wiring devices and comprises a motor body, a wiring box is fixedly mounted on the upper side of the motor body, a sealing cover is rotatably connected to the upper side of the wiring box through a hinge, and a wire pipe is fixedly connected to the center of the right side of the wiring box. The interior of the wire pipe is in threaded connection with a filling pipe, the interior of the filling pipe is in sliding connection with a sealing hose, the front and rear sides of the sealing hose and the interior of the junction box are fixedly connected with connecting gaskets, and the left sides of the connecting gaskets are in threaded connection with fixing bolts. By arranging the wire pipe, the filling pipe, the rotating handle, the sealing hose, the connecting gasket and the fixing bolt, a gap between the connecting wire and the wire hole can be effectively reduced, and water, dust, greasy dirt and the like in the external environment are prevented from easily entering the motor through the gap, influencing the performance of the motor and shortening the service life of the motor.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor wiring devices, in particular to a motor wiring device with a sealing structure. Background Art

[0002] Motors are devices that convert electrical energy into mechanical energy. They play an important role in various equipment and systems. There are many types of motors, the most common ones are DC motors, AC motors, stepper motors, etc. They can be selected according to different needs and applications. For example, DC motors are often used in low-speed and high-torque applications, while AC motors are widely used in home appliances, industrial equipment and other fields. Stepper motors are common in systems that require precise position control, such as printers, CNC machine tools, etc. The performance of the motor is affected by factors such as power supply, load, and control method. Therefore, various factors need to be considered comprehensively when selecting and designing the motor.

[0003] When the motor is connected to an external device, it needs to be connected through a junction box. When a general junction box is in use, in order to facilitate wire connection and maintenance, one side of the junction box is set to a detachable structure, and gaps are easily generated at the interface, causing moisture, dust, oil and other dirt in the external environment to enter the motor and cause damage to the motor. In order to adapt to a variety of connecting wires, the aperture of the wire hole of a general junction box is relatively large. After the connection is completed, a large gap is easily left between the connecting wire and the wire hole. Moisture, dust and oil and other dirt in the external environment can easily enter the motor through the gap, affecting the motor performance and reducing the life of the motor. In view of the above problems, a motor wiring device with a sealing structure is proposed to solve them. Utility Model Content

[0004] In order to solve the above technical problems, a motor wiring device with a sealed structure is provided, which solves the problem that the current motor needs to be connected to an external device through a junction box. When a general junction box is in use, in order to facilitate wire connection and maintenance, one side of the junction box is set to a detachable structure, and gaps are easily generated at the interface, causing moisture, dust, oil and other dirt in the external environment to enter the interior of the motor and cause damage to the motor. In order to adapt to a variety of connecting wires, the aperture of the wire hole of the general junction box is relatively large. After the connection is completed, a large gap is easily left between the connecting wire and the wire hole. Moisture, dust, oil and other dirt in the external environment can easily enter the interior of the motor through the gap, affecting the performance of the motor and reducing the life of the motor.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a motor wiring device with a sealing structure, including a motor body, a junction box is fixedly installed on the upper side of the motor body, a sealing cover is rotatably connected to the upper side of the junction box through a hinge, a wire tube is fixedly connected to the right center position of the junction box, a filling tube is threadedly connected to the inside of the wire tube, a sealing hose is slidably connected to the inside of the filling tube, the left side of the sealing hose passes through the left end of the filling tube and extends to the inside of the junction box, and the front and rear sides of the sealing hose are fixedly connected to the inside of the junction box with connection gaskets, and the connection gasket The left side of the plate is threadedly connected with a fixing bolt, the right end of the fixing bolt passes through the left side of the connecting gasket and is threadedly connected to the inner wall of the junction box, a sealing groove is provided at the peripheral position of the lower side of the sealing cover, a sealing ring is fixedly connected at the peripheral position of the upper side of the junction box, a connecting hole is penetrated at the central position of the lower inner side of the junction box, the lower end of the connecting hole is connected with the interior of the motor body, a hollow connecting column is fixedly connected between the lower inner side of the junction box and the front and rear ends of the connecting hole, a wiring hole is penetrated at the lower front end of the hollow connecting column, and a connecting plate is fixedly connected to the upper sides of the two hollow connecting columns.

[0006] Preferably, a handle groove is provided at the front end of the upper side of the sealing cover.

[0007] Preferably, a first connection block is fixedly connected to the center position of the front side of the sealing cover, and a second connection block is fixedly connected to the upper end of the front side of the junction box.

[0008] Preferably, a sealing bolt is threadedly connected to the upper side of the first connecting block, and the lower end of the sealing bolt passes through the upper side of the first connecting block and is threadedly connected to the upper side of the second connecting block.

[0009] Preferably, both front and rear ends of the right side of the filling tube are fixedly connected with rotating handles.

[0010] Preferably, a plurality of wiring terminals are fixedly connected to both left and right sides of the connection plate.

[0011] Preferably, both front and rear ends of the upper side of the connecting plate are threadedly connected with fastening bolts, and the lower ends of the fastening bolts penetrate the upper side of the connecting plate and are threadedly connected to the inner side of the hollow connecting column.

[0012] Compared with the prior art, the advantages of the utility model are: the utility model provides a sealing groove, a sealing ring, a first connecting block, a second connecting block and a sealing bolt, while facilitating the connection and maintenance of the wires, effectively reducing the gap between the sealing cover and the junction box, preventing moisture, dust and oil from the external environment from entering the interior of the motor and causing damage to the motor; and by providing a wire tube, a filling tube, a rotating handle, a sealing hose, a connecting gasket and a fixing bolt, the gap between the connecting wire and the wire hole can be effectively reduced, preventing moisture, dust and oil from the external environment from easily entering the interior of the motor through the gap, affecting the motor performance and reducing the life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the junction box in the utility model;

[0015] Figure 3 It is a schematic diagram of the internal structure of the junction box in the utility model.

[0016] The numbers in the figure are:

[0017] 1. Motor body; 2. Junction box; 3. Sealing cover; 4. Handle groove; 5. First connection block; 6. Second connection block; 7. Sealing bolt; 8. Wire tube; 9. Filling tube; 10. Turn handle; 11. Sealing hose; 12. Connection gasket; 13. Fixing bolt; 14. Sealing groove; 15. Sealing ring; 16. Connecting hole; 17. Hollow connection column; 18. Wire hole; 19. Connection plate; 20. Wiring terminal; 21. Fastening bolt. DETAILED DESCRIPTION

[0018] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0019] Reference Figure 1-3 As shown, a motor wiring device with a sealing structure includes a motor body 1, a terminal box 2 is fixedly installed on the upper side of the motor body 1, a sealing cover 3 is rotatably connected to the upper side of the terminal box 2 through a hinge, a handle groove 4 is opened at the upper front end of the sealing cover 3, a first connecting block 5 is fixedly connected to the front center position of the sealing cover 3, a second connecting block 6 is fixedly connected to the upper end of the front side of the terminal box 2, a sealing bolt 7 is threadedly connected to the upper side of the first connecting block 5, and the lower end of the sealing bolt 7 passes through the upper side of the first connecting block 5 and is threadedly connected to the upper side of the second connecting block 6, so as to facilitate the connection and maintenance of the wires.

[0020] A wire tube 8 is fixedly connected to the center position of the right side of the junction box 2, and a filling tube 9 is connected to the inner thread of the wire tube 8. A rotating handle 10 is fixedly connected to the front and rear ends of the right side of the filling tube 9. The filling tube 9 can select different thicknesses according to actual applications. The rotating handle 10 facilitates the installation of the filling tube 9. A sealing hose 11 is slidably connected to the inside of the filling tube 9. The left side of the sealing hose 11 passes through the left end of the filling tube 9 and extends to the inside of the junction box 2. The front and rear sides of the sealing hose 11 are fixedly connected to the inside of the junction box 2 with a connecting gasket 12. The left side of the connecting gasket 12 is threadedly connected with a fixing bolt 13. The right end of the fixing bolt 13 passes through the left side of the connecting gasket 12 and is threadedly connected to the inner wall of the junction box 2. The sealing hose 11 can effectively protect the connecting wire. A sealing groove 14 is opened at the peripheral position of the lower side of the sealing cover 3, and a sealing ring 15 is fixedly connected at the peripheral position of the upper side of the junction box 2, which effectively reduces the gap between the sealing cover 3 and the junction box 2.

[0021] A connecting hole 16 is provided through the center of the lower inner side of the junction box 2, and the lower end of the connecting hole 16 is connected to the interior of the motor body 1. A hollow connecting column 17 is fixedly connected to the front and rear ends of the lower inner side of the junction box 2 and the connecting hole 16. A wire hole 18 is provided through the front lower end of the hollow connecting column 17. A connecting plate 19 is fixedly connected to the upper side of the two hollow connecting columns 17. A plurality of wiring terminals 20 are fixedly connected to the left and right sides of the connecting plate 19 for convenient wire connection. Fastening bolts 21 are threadedly connected to the front and rear ends of the upper side of the connecting plate 19, and the lower end of the fastening bolt 21 passes through the upper side of the connecting plate 19 and is connected to the internal thread of the hollow connecting column 17, which can effectively fix the wires.

[0022] Working principle: The wires inside the motor enter the junction box 2 through the connecting hole 16 and pass through the wire hole 18, and then tighten the fastening bolt 21 so that the lower end of the fastening bolt 21 abuts against the wire and is fixed. Select a filling tube 9 of appropriate thickness, and connect the filling tube 9 to the internal thread of the wire tube 8 by turning the handle 10. Install the sealing hose 11 from the inside of the junction box 2, fix the sealing hose 11 with the fixing bolt 13, and connect the external connecting wire to the wiring terminal 20 inside the junction box through the sealing hose 11. After the connection is completed, rotate the sealing cover 3 to engage the sealing ring 15 with the sealing groove 14, and finally fix the first connecting block 5 and the second connecting block 6 with the sealing bolt 7.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A motor wiring device with a sealed structure, comprising a motor body (1), characterized in that: A junction box (2) is fixedly mounted on the upper side of the motor body (1), and a sealing cover (3) is rotatably connected to the upper side of the junction box (2) through a hinge. A wire tube (8) is fixedly connected to the center position of the right side of the junction box (2), and a filling tube (9) is threadedly connected to the inside of the wire tube (8). A sealing hose (11) is slidably connected to the inside of the filling tube (9). The left side of the sealing hose (11) passes through the left end of the filling tube (9) and extends to the inside of the junction box (2). The front and rear sides of the sealing hose (11) are fixedly connected to the inside of the junction box (2) with a connecting gasket (12), and the left side of the connecting gasket (12) is threadedly connected to a fixing bolt (13), and the right side of the fixing bolt (13) is threadedly connected to the inside of the filling tube (9). The end of the connecting gasket (12) passes through the left side and is threadedly connected to the inner wall of the terminal box (2); a sealing groove (14) is provided at a peripheral position on the lower side of the sealing cover (3); a sealing ring (15) is fixedly connected at a peripheral position on the upper side of the terminal box (2); a connecting hole (16) is provided at a central position on the lower side of the interior of the terminal box (2); the lower end of the connecting hole (16) is connected to the interior of the motor body (1); the lower side of the interior of the terminal box (2) and the front and rear ends of the connecting hole (16) are fixedly connected with hollow connecting columns (17); a wiring hole (18) is provided at the lower front end of the hollow connecting column (17); and a connecting plate (19) is fixedly connected to the upper sides of the two hollow connecting columns (17).

2. The motor wiring device with a sealing structure according to claim 1, characterized in that: A handle groove (4) is provided at the front end of the upper side of the sealing cover (3).

3. The motor wiring device with a sealing structure according to claim 1, characterized in that: A first connection block (5) is fixedly connected at the center position of the front side of the sealing cover (3), and a second connection block (6) is fixedly connected to the upper end of the front side of the junction box (2).

4. The motor wiring device with a sealing structure according to claim 3, characterized in that: The upper side of the first connection block (5) is threadedly connected to a sealing bolt (7), and the lower end of the sealing bolt (7) passes through the upper side of the first connection block (5) and is threadedly connected to the upper side of the second connection block (6).

5. The motor wiring device with a sealing structure according to claim 1, characterized in that: The front and rear ends of the right side of the filling tube (9) are both fixedly connected with a rotating handle (10).

6. The motor wiring device with a sealing structure according to claim 1, characterized in that: A plurality of wiring terminals (20) are fixedly connected to both left and right sides of the connection plate (19).

7. The motor wiring device with a sealing structure according to claim 1, characterized in that: The front and rear ends of the upper side of the connecting plate (19) are both threadedly connected with fastening bolts (21), and the lower ends of the fastening bolts (21) penetrate the upper side of the connecting plate (19) and are threadedly connected to the inner side of the hollow connecting column (17).