Speed regulation line rubber sleeve of motor speed regulator and motor speed regulator

Abstract

The utility model provides a speed regulation line rubber sleeve of a motor speed regulator and a motor debugger. A rubber sleeve body of the speed regulation line rubber sleeve comprises a wire inlet segment, a transition segment and a terminal fixing segment. The wire inlet section is of a circular tube type structure, the terminal fixing section is of a hollow cuboid structure, and the transition section is located between the wire inlet section and the terminal fixing section and is of a trumpet-shaped structure; and the internal hollow parts of the wire inlet section, the transition section and the terminal fixing section are communicated. The utility model provides a scheme that a plurality of speed regulation wires are connected to the speed regulator circuit board of the motor speed regulator in a wire harness manner, and further provides a speed regulation wire rubber sleeve of the motor speed regulator, so that the speed regulation wire rubber sleeve is matched with a wire harness structure formed by the plurality of speed regulation wires, and a good insulating and anti-creeping effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of motor speed controller technology, specifically to a speed control cable sleeve for a motor speed controller and a motor speed controller. Background Technology

[0002] Motor speed controllers typically have five speed control wires. The connection method for these wires may vary depending on the motor model and speed control method. Generally, the connection method is as follows: L: This wire is the motor's power supply wire and should be connected to the phase wire of the power supply. N: This wire is the motor's power supply wire and should be connected to the neutral wire of the power supply. FG: This wire is the motor's ground wire and should be connected to the ground wire to ensure safe grounding of the motor. V: This wire is the motor's speed control input signal wire and should be connected to the output signal wire of the speed controller. W: This wire is the motor's running signal wire and should be connected to the running signal wire of the speed controller.

[0003] In the design of a US52 type motor speed controller, multiple speed control wires are connected together on the controller circuit board in the form of a wire harness. In order to ensure the insulation and leakage prevention of the connection between the speed control wires and the circuit board, a speed control wire sleeve adapted to the US52 type motor speed controller is required.

[0004] In view of the above, this application is hereby submitted. Utility Model Content

[0005] To address the issue of insulation and leakage prevention at the connection point between the speed control cable and the circuit board, this application provides a rubber sleeve for the speed control cable of a motor speed controller, employing the following technical solution:

[0006] A speed control cable sleeve for a motor speed controller, the sleeve body comprising an inlet section, a transition section, and a terminal fixing section; the inlet section is a cylindrical structure, the terminal fixing section is a hollow cuboid structure, and the transition section is located between the inlet section and the terminal fixing section, and is flared in shape; the hollow portions of the inlet section, the transition section, and the terminal fixing section are interconnected.

[0007] Optionally, the length of the terminal fixing section is 3 to 6 times the diameter of the inlet section, and the width is 1.5 to 2 times the diameter of the inlet section.

[0008] Optionally, the left and right sides of the terminal fixing section are provided with mounting bosses, and the mounting bosses are provided with mounting screw holes facing the speed controller circuit board, and mounting screws that can be rotatably located in the mounting screw holes.

[0009] Optionally, the upper sidewall of the terminal fixing section is provided with a fastening rib, which extends toward the speed controller circuit board.

[0010] Optionally, the cross section of the fastening rib increases along a direction away from the speed regulator circuit board.

[0011] Optionally, a rubber sleeve fixing member is arranged for limiting and fixing the rubber sleeve body, and the rubber sleeve fixing member is detachably fixed to the motor speed regulator body.

[0012] Optionally, the rubber sleeve fixing member is a connecting rod, one end of the connecting rod is integrally formed with the rubber sleeve body, and the other end of the connecting rod is provided with a buckle fixing structure matched with the motor speed regulator body.

[0013] The utility model also provides a motor speed regulator, which comprises a motor speed regulator body, a speed regulator circuit board arranged in the motor speed regulator body, a plurality of speed regulation wires connected in the form of a wire harness to form a total speed regulation wire, a wire harness end matched with the total speed regulation wire, and a speed regulation wire rubber sleeve as described above.

[0014] The wire harness end is fixedly arranged in the terminal fixing section, the total speed regulation wire is connected with the wire harness end through the wire inlet section, and the plurality of speed regulation wires in the total speed regulation wire are branched in the transition section to be connected with the wire circuit of the wire harness end, and the speed regulator circuit board is provided with a wire harness socket matched with the wire harness end.

[0015] Optionally, the speed regulation wire rubber sleeve is as described above, the wire harness socket is provided with a screw through hole matched with the mounting screw, and is further provided with a fastening groove matched with the fastening rib.

[0016] Optionally, the speed regulation wire rubber sleeve is as described above, and the motor speed regulator body is provided with a buckle fixing structure matched with the connecting rod.

[0017] Compared with the prior art, the utility model has the beneficial effects that a scheme for connecting a plurality of speed regulation wires in the form of a wire harness to the speed regulator circuit board of a motor speed regulator is provided, and a speed regulation wire rubber sleeve of a motor speed regulator is further provided, which is matched with the wire harness structure formed by the plurality of speed regulation wires and has a good insulation and leakage prevention effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a first perspective structural schematic view of a first embodiment of a speed regulation wire rubber sleeve of a motor speed regulator according to the utility model;

[0019] Figure 2 is Figure 2 a second perspective structural schematic view;

[0020] Figure 3 is a structural schematic view of a second embodiment of a speed regulation wire rubber sleeve of a motor speed regulator according to the utility model;

[0021] Figure 4 Figure is a motor speed regulator structure schematic diagram of the utility model.

[0022] Figure: 1, rubber sleeve body; 11, incoming line section; 12, transition section; 13, terminal fixed section; 14, mounting boss; 15, mounting screw hole; 16, fastening rib; 2, total speed regulation line; 3, motor speed regulator body. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model.

[0024] In the description of the utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] The specific embodiments of the utility model will be described in detail below in conjunction with the drawings.

[0026] Please refer to Figure 1 and Figure 2 A speed regulation line rubber sleeve of a motor speed regulator, the rubber sleeve body 1 of the speed regulation line rubber sleeve includes an incoming line section 11, a transition section 12 and a terminal fixed section 13.

[0027] The incoming line section 11 is a circular tube type structure, the terminal fixed section 13 is a hollow cuboid structure, the transition section 12 is located between the incoming line section 11 and the terminal fixed section 13, and is a horn-shaped structure; the internal hollow parts of the incoming line section 11, the transition section 12 and the terminal fixed section 13 are connected in communication.

[0028] The application provides a scheme for connecting multiple speed regulating wires together in a wire harness way on a speed regulator circuit board of a motor speed regulator, and further provides a speed regulating wire rubber sleeve of a motor speed regulator, which is adapted to the wire harness structure formed by multiple speed regulating wires and has a good insulation and leakage prevention effect. The inside of the terminal fixing section 13 is hollow for fixing the wire harness end, the total speed regulating wire 2 is connected with the wire harness end by passing through the wire inlet section 11, and multiple speed regulating wires in the total speed regulating wire 2 are branched in the transition section 12 to be connected with the corresponding wires of the wire harness end.

[0029] Since multiple speed regulating wires are integrated in the wire harness end for pre-connection with the speed regulator circuit board, in the embodiment, the cross section of the terminal fixing section 13 is 3-6 times the diameter of the wire inlet section 11 in length and 1.5-2 times the diameter of the wire inlet section 11 in width, which facilitates the arrangement of the wire harness end and provides sufficient spacing to prevent short circuit between power supply wires.

[0030] Further, please refer to Figure 3 In the second embodiment of the application, the left and right side walls of the terminal fixing section 13 are provided with mounting bosses 14, the mounting bosses 14 are provided with mounting screw holes 15 facing the speed regulator circuit board, and mounting screws rotatable in the mounting screw holes 15. Correspondingly, the speed regulator circuit board is provided with a wire harness socket matched with the wire harness end, the wire harness socket is provided with screw through holes matched with the mounting screws, and the wire harness end is fixed on the speed regulator circuit board.

[0031] Optionally, the upper side wall of the terminal fixing section 13 is provided with a fastening rib 16 extending towards the speed regulator circuit board, and the wire harness socket is further provided with a fastening groove matched with the fastening rib 16. When the wire harness end in the terminal fixing section 13 is inserted into the wire harness socket for electrical connection, the fastening rib 16 is embedded in the fastening groove to play a fastening role.

[0032] Further, the cross section of the fastening rib 16 increases along the direction away from the speed regulator circuit board, which further increases the alignment degree after insertion and improves the fastening performance.

[0033] In the third embodiment, a rubber sleeve fixing member is used to limit and fix the rubber sleeve body 1, and the rubber sleeve fixing member is detachably fixedly connected with the motor speed regulator body 3.

[0034] Optionally, the rubber sleeve fixing member is a connecting rod, one end of the connecting rod is in an integral structure with the rubber sleeve body, and the other end of the connecting rod is provided with a buckle fixing structure matched with the motor speed regulator body 3.

[0035] Please refer to Figure 4The utility model also provides a motor regulator, including motor speed regulator body 3, be located in the speed regulator circuit board of motor speed regulator body 3, the total speed wire 2 of the total speed wire of multiple speed wires is in the form of wire harness, and the wire harness end head is adapted with total speed wire 2, and the speed wire rubber cover as stated above.

[0036] Wherein, the wire harness end head is fixedly installed in the terminal fixed section 13, the total speed wire 2 is connected with the wire harness end head through the incoming wire section 11, and the multiple speed wires in the total speed wire 2 are bifurcated in the transition section 12 to be connected with the circuit of wire harness end head, the speed regulator circuit board has the wire harness socket that is adapted with wire harness end head.

[0037] Optionally, the speed wire rubber cover is as described in the second embodiment, the wire harness socket is provided with the screw through hole that is adapted with the mounting screw, and is also provided with the fastening groove that is adapted with the fastening rib 16.

[0038] Optionally, the speed wire rubber cover is as described in the third embodiment, the motor speed regulator body 3 is provided with the buckle fixed structure that is adapted with the connecting rod.

[0039] The above is only preferred implementation manner of the utility model, the protection scope of the utility model is not only limited to the above-mentioned embodiment, and all technical schemes under the idea of the utility model belong to the protection scope of the utility model.

Claims

1. A speed control cable sleeve for a motor speed controller, characterized in that, The rubber sleeve body of the speed regulating wire rubber sleeve comprises an incoming wire section, a transition section and a terminal fixing section. The incoming wire section is in a circular tube type structure, the terminal fixing section is in a hollow cuboid structure, the transition section is located between the incoming wire section and the terminal fixing section and is in a horn type structure, and the internal hollow parts of the incoming wire section, the transition section and the terminal fixing section are connected.

2. A speed regulating line rubber sleeve of a motor speed regulator according to claim 1, characterized in that, The length of the cross section of the terminal fixing section is 3-6 times of the diameter of the incoming wire section, and the width is 1.5-2 times of the diameter of the incoming wire section.

3. A speed regulating line rubber sleeve of a motor speed regulator according to claim 1, characterized in that, The left and right side walls of the terminal fixing section are provided with mounting bosses, the mounting bosses are provided with mounting screw holes facing the speed regulator circuit board, and mounting screws rotatably arranged in the mounting screw holes.

4. A speed regulating line rubber sleeve for a motor speed regulator according to claim 3, wherein The upper side wall of the terminal fixing section is provided with a fastening rib, and the fastening rib extends towards the speed regulator circuit board.

5. A speed regulating line rubber sleeve for a motor speed regulator according to claim 4, wherein The cross section of the fastening rib increases along the direction away from the speed regulator circuit board.

6. A speed regulating line rubber sleeve for a motor speed regulator according to claim 1, wherein, The rubber sleeve fixing member is used for limiting and fixing the rubber sleeve body, and the rubber sleeve fixing member is detachably fixedly connected with the motor speed regulator body.

7. A speed regulating line rubber sleeve for a motor speed regulator according to claim 6, wherein The rubber sleeve fixing member is a connecting rod, one end of the connecting rod is in an integral structure with the rubber sleeve body, and the other end of the connecting rod is provided with a buckle fixing structure matched with the motor speed regulator body.

8. An electric motor speed controller characterized by, The motor speed regulator body, the speed regulator circuit board located in the motor speed regulator body, the plurality of speed regulating wires in a wire harness type total to form a total speed regulating wire, the wire harness end head matched with the total speed regulating wire, and the speed regulating wire rubber sleeve according to any one of claims 1-7 are included. The wire harness end head is fixedly installed in the terminal fixing section, the total speed regulating wire is connected with the wire harness end head through the incoming wire section, the plurality of speed regulating wires in the total speed regulating wire are branched in the transition section to be connected with the lines of the wire harness end head, and the speed regulator circuit board is provided with a wire harness socket matched with the wire harness end head.

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