Box body wiring sealing structure of speed regulation motor controller

By using flexible protective tubes and interface components in the speed control motor controller, the sealing problem at the connection point between the junction box and the controller housing was solved, achieving better sealing performance and a more convenient installation process.

CN223956955UActive Publication Date: 2026-02-27WUHAN SHENLAN POWER TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520599980.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-27
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The sealing performance of the junction box and controller housing of the existing speed control motor controller is reduced due to the aging of the rubber sleeve, resulting in insufficient sealing.

Method used

Flexible conduit and interface components, including connecting pipes, sealing caps and sealing plugs, are used, and threaded connections and pressure rings are used to ensure a secure seal between the wiring and the controller housing and junction box.

Benefits of technology

It improves the sealing performance of the wiring structure and simplifies the operation of the installation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223956955U_ABST
    Figure CN223956955U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of motor controllers, in particular to a speed regulation motor controller box body wiring sealing structure, which comprises a flexible protection tube sleeved on the outer side of a wiring, two ends of the flexible protection tube are respectively provided with an interface assembly, and the two interface assemblies are respectively connected with a controller box body and a wiring box; the interface assembly comprises a communicating pipe, the communicating pipe is fixed to the controller box or the junction box, the outer end of the communicating pipe is in butt joint with the flexible protection pipe, the inner end of the communicating pipe is provided with a sealing cap, a sealing plug is arranged in the communicating pipe, a plurality of wiring holes are formed in the sealing plug, and the sealing cap abuts against the sealing plug. According to the utility model, the firm sealing performance of the whole cable wiring structure is ensured; meanwhile, the whole mounting and fixing process is convenient and easy to operate.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of motor controller, especially relates to a speed regulating motor controller box body wiring sealing structure. BACKGROUND

[0002] The speed regulating motor controller can generate appropriate output signals according to the set target rotating speed and control the speed regulating motor to realize the required rotating speed output. Figure 1 As shown in the figure, the wiring for connecting the speed regulating motor needs to pass through the wiring box on the motor and the controller box body before being connected with the control electrical elements in the controller box body, wherein the wiring box and the controller box body are usually made of metal, and currently a rubber sleeve is arranged at the position where the wiring contacts the wiring box and the controller box body as sealing protection, and the rubber sleeve is easily aged after long time exposure, which reduces the sealing protection performance of the connection position of the wiring and the controller box body and the wiring box. SUMMARY

[0003] Based on the above problems, the utility model aims at providing a speed regulating motor controller box body wiring sealing structure, and the utility model adopts the following technical scheme:

[0004] The utility model provides a speed regulating motor controller box body wiring sealing structure, which comprises a flexible protective tube sleeved outside the wiring, both ends of the flexible protective tube are provided with interface assemblies, and the two interface assemblies are connected with the controller box body and the wiring box respectively.

[0005] Preferably, both ends of the flexible protective tube are provided with compression rings, compression covers are sleeved on the compression rings, the compression covers are threadedly connected with the outer end of the communication pipe, and the compression covers press the compression rings against the outer port of the communication pipe.

[0006] Preferably, one end of the sealing plug is provided with an annular outer edge, the sealing cap presses the annular outer edge against the inner port of the communication pipe, and a slit is formed in the outer wall of the sealing plug to divide the plurality of wiring holes.

[0007] Preferably, the sealing cap is connected with the inner end of the communication pipe through a threaded structure.

[0008] Preferably, the flexible protective tube is a corrugated pipe.

[0009] Preferably, an annular plate is arranged on the outer wall of the communication pipe, the annular plate is provided with mounting holes, and the annular plate is fixed on the controller box or the junction box by bolts.

[0010] Preferably, a sealing gasket is arranged between the annular plate and the controller box or the junction box.

[0011] Compared with the prior art, the utility model has the beneficial technical effects that:

[0012] The utility model ensures the reliable sealing performance of the whole cable wiring structure, and the whole installation and fixing process is convenient and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described in connection with the drawings.

[0014] Figure 1 The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor.

[0015] Figure 2 The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor.

[0016] Figure 3 The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor.

[0017] Figure 4 The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor.

[0018] Figure 5 The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor.

[0019] The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical schemes and beneficial effects to be solved in the utility model more clear and obvious, the utility model will be further described in detail in connection with the drawings and embodiments.

[0021] As Figure 2 and 3 The utility model discloses a sealing structure of a controller box wiring of a speed-regulating motor.

[0022] The interface assembly 2 comprises a communication pipe 201 fixed on the controller box 4 or the junction box 5, the outer end of the communication pipe 201 is connected with the flexible protection pipe 1, the inner end of the communication pipe 201 is provided with a sealing cap 202, the communication pipe 201 is provided with a sealing plug 203, the sealing plug 203 is provided with a plurality of wiring holes 204, and the sealing cap 202 is abutted on the sealing plug 203.

[0023] As shown in the drawings, both ends of the flexible protection pipe 1 are integrally connected with a compression ring 101, the compression ring 101 is sleeved with a compression cover 102, the compression cover 102 is threadedly connected with the outer end of the communication pipe 201, and the compression cover 102 abuts and presses the compression ring 101 on the outer end of the communication pipe 201. Figure 3 The flexible protection pipe 1 can be a corrugated pipe.

[0024] As shown in the drawings, one end of the sealing plug 203 is provided with an annular outer edge 203-1, the sealing cap 202 abuts and presses the annular outer edge 203-1 on the inner end of the communication pipe 201, and the outer wall of the sealing plug 203 is provided with a slit 203-2 which divides the plurality of wiring holes 204. Figure 4

[0025] In the embodiment, the sealing cap 202 is connected with the inner end of the communication pipe 201 through a threaded structure.

[0026] As shown in the drawings, the outer wall of the communication pipe 201 is provided with an annular plate 201-1, the annular plate 201-1 is provided with a mounting hole, and the annular plate 201-1 is fixed on the controller box 4 or the junction box 5 through a bolt. Figure 5 The annular plate 201-1 is provided with a sealing gasket 201-2 between the controller box 4 or the junction box 5.

[0027] The above-described embodiments are only used to describe the preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.​

Claims

1. A speed control motor controller box terminal seal structure, characterized by: The utility model provides a flexible protective tube (1) is sleeved outside the wire (3), both ends of flexible protective tube (1) are provided with interface assembly (2), two interface assembly (2) are connected with controller box (4) respectively, terminal box (5); The interface assembly (2) includes a communication pipe (201) fixed on the controller box (4) or terminal box (5), the outer end of the communication pipe (201) is connected with the flexible protective tube (1), the inner end of the communication pipe (201) is provided with a sealing cap (202), the communication pipe (201) is provided with a sealing plug (203), the sealing plug (203) is provided with a plurality of wire holes (204), and the sealing cap (202) is arranged on the sealing plug (203).

2. The speed regulated motor controller enclosure terminal seal structure of claim 1, wherein: The both ends of the flexible protective tube (1) are provided with a compression ring (101), the compression ring (101) is sleeved with a gland (102), the gland (102) is screwed with the outer end of the communication pipe (201), and the gland (102) presses the compression ring (101) on the outer end of the communication pipe (201).

3. The speed regulated motor controller box junction seal structure of claim 1, wherein: The sealing plug (203) is provided with an annular outer edge (203-1) at one end, and the sealing cap (202) is pressed on the inner end of the communication pipe (201).

4. The speed regulated motor controller enclosure terminal seal structure of claim 1, wherein: The sealing plug (203) is provided with an annular outer edge (203-1) at one end, and the sealing cap (202) is pressed on the inner end of the communication pipe (201).

5. The adjustable-speed motor controller enclosure terminal seal of claim 1, wherein: The sealing cap (202) is connected with the inner end of the communication pipe (201) through a threaded structure.

6. The adjustable-speed motor controller enclosure terminal seal of claim 1, wherein: The flexible protective tube (1) is a bellows.

7. The speed governor motor controller box junction seal structure of claim 6, wherein: The outer wall of the communication pipe (201) is provided with an annular plate (201-1), the annular plate (201-1) is provided with a mounting hole, and the annular plate (201-1) is fixed on the controller box (4) or terminal box (5) through bolts. The annular plate (201-1) is provided with a sealing gasket (201-2) between the controller box (4) or terminal box (5). The annular plate (201-1) is provided with a sealing gasket (201-2) between the controller box (4) or terminal box (5).