CN216530880U

CN216530880U - Substitute motor termination

Info

Publication number: CN216530880U
Application number: CN202122967558.5U
Authority: CN
Inventors: 黄奇志
Original assignee: Tongling Nonferrous Copper Crown Electrical Co ltd
Current assignee: Tongling Nonferrous Copper Crown Electrical Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-13
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a wire connecting device for a substitute motor, belonging to the technical field of junction box accessories and comprising an outer shell, an inner shell, a sleeve and an inner tube, wherein the inner shell is embedded in the front side wall of the outer shell, a wire connecting terminal is welded on the inner wall of the inner shell, the sleeve is sleeved outside the wire connecting terminal, the inner tube is sleeved on the inner wall of the sleeve, and a main telescopic ring carrying a fastening sleeve is bonded on the top of the sleeve. The motor wiring terminal box is small in size, and manufacturing cost is saved.

Description

Substitute motor termination

Technical Field

The utility model relates to the technical field of junction box accessories, in particular to a wiring device for a replacement motor.

Background

The motor is a device for converting electric energy into mechanical energy, and is characterized by that it utilizes the electrified coil (i.e. stator winding) to produce rotating magnetic field and make it act on rotor (for example, squirrel-cage closed aluminium frame) to form magnetoelectric power rotating torque, and the motor is divided into D.C. motor and A.C. motor according to different power supplies, and the most of the motors in the power system are A.C. motors, and can be synchronous motor or asynchronous motor (the rotating speed of stator magnetic field and rotating speed of rotor of the motor are not synchronous), and the motor is mainly formed from stator and rotor, and the direction of forced movement of electrified conducting wire in the magnetic field is related to current direction and magnetic induction line (magnetic field direction), and its working principle is that the magnetic field can apply force to current so as to make the motor rotate.

Traditional motor wiring is a motor-arranged junction box, a wiring terminal is fixed in the junction box, and a lead-out cable is connected through a wiring nose by screws and nuts.

In the current motor wiring combination, because the connected mode of screw, nut, the current flows in the motor operation in the cable, especially the corresponding grow of its operating current of powerful motor, in case the junction is not hard up like this, just leads to the trouble such as motor damage to take place rapidly, is difficult to ensure completely reliable, and whether the traditional mode of maintaining is that regularly checks motor terminal box wiring is fastened, but the motor still takes place occasionally because the terminal box wiring trouble, and whole volume also is convenient for dwindle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a substitute motor wiring device, which solves the problems that in the existing motor wiring combination proposed in the background technology, due to the connection mode of screws and nuts, current flows in cables during the operation of a motor, particularly the working current of a high-power motor is correspondingly increased, so that once the connection part is loosened, the motor is rapidly damaged and other faults occur, and complete reliability is difficult to ensure.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a substitute motor termination, includes shell, inner shell, sleeve pipe and inner tube, inlay the preceding lateral wall of shell the inner shell, the inner wall welding of inner shell has binding post, binding post's outside is cup jointed the sleeve pipe, the sheathed tube inner wall is cup jointed the inner tube, the sheathed tube top bonds has the main expansion ring who carries the adapter sleeve, the bottom of inner tube bonds has the tail cover, the inner wall of inner tube is inlayed and is had spacing knot, the top of inner tube is inlayed and is had the insulating cover of carrying the lumen, the lateral wall of insulating cover is inlayed and is pegged graft the combination of spacing knot is buckled, the bottom of spacing knot is pegged graft and is had the pull rod, the lateral wall of pull rod cup jointed the structure with the same main auxiliary tube of inner tube and vice auxiliary tube.

Preferably, the front side wall of the outer shell is embedded with an outer shell bolt, and the front side wall of the inner shell is embedded with an inner shell bolt.

Preferably, an inner groove is reserved on the inner wall of the inner shell in an integrated forming mode, and a sealing strip is bonded to the side wall of the inner groove.

Preferably, the bottom of the tail sleeve is bonded with an auxiliary telescopic pipe, and the circumferential outer wall of the auxiliary telescopic pipe is sleeved with a sealing ring.

Preferably, the inner pipe is made of a hard rubber pipe, and the inner pipe, the main auxiliary pipe and the auxiliary pipe are arranged on the same horizontal line.

Compared with the prior art, the utility model has the beneficial effects that: this kind of substitute motor termination, through the combination application of accessory, there is not enough problem to current motor terminal box wiring, with binding post and external connection's cable welding back in the terminal box, flexible insulation support is sheathe in the splice to ensure insulating reliable, avoid the motor to damage because of binding post is not hard up the motor that causes, and the equipment trouble who causes from this, improve motor operational reliability, save the work load of inspection fastening maintenance, save cable connection nose and relevant crimping work and terminal, motor connection terminal box is also small, and the manufacturing cost is saved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the bushing of the present invention;

FIG. 3 is a schematic cross-sectional view of the inner tube of the present invention.

In the figure: 100 outer shell, 110 outer shell bolt, 200 inner shell, 210 inner shell bolt, 220 inner groove, 230 wiring terminal, 300 sleeve, 310 main telescopic ring, 320 fastening sleeve, 330 tail sleeve, 340 auxiliary telescopic ring, 350 sealing ring, 400 inner tube, 410 limit buckle, 420 insulating sleeve, 430 tube cavity, 440 combined buckle, 450 pull rod, 460 main auxiliary tube and 470 auxiliary tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a substitute motor wiring device, through the combined application of fittings, the problem that the wiring of the existing motor junction box is insufficient is solved, after a wiring terminal in the junction box is welded with an externally connected cable, a telescopic insulating sleeve is sleeved on a welding position to ensure the reliable insulation, the motor damage caused by the loosening of the wiring terminal and the equipment failure caused by the damage are avoided, the operation reliability of the motor is improved, the workload of checking, fastening and maintaining is saved, a cable wiring nose and related crimping work and wiring terminals are saved, the volume of the motor wiring terminal box is small, the manufacturing cost is saved, please refer to fig. 1, fig. 2 and fig. 3, and the motor wiring terminal box comprises an outer shell 100, an inner shell 200, a sleeve 300 and an inner tube 400;

referring to fig. 1 again, the front side wall of the housing 100 has housing bolts 110, specifically, the front side wall of the housing 100 is embedded with the housing bolts 110, in some embodiments, the number of the housing bolts 110 can be flexibly adjusted according to actual needs;

referring to fig. 1 again, the inner case 200 is connected to the outer case 100, specifically, the inner case 200 is embedded in the front side wall of the outer case 100, the connection terminal 230 is welded to the inner wall of the inner case 200, the inner case bolt 210 is embedded in the front side wall of the inner case 200, the inner case 200 is disposed so as to generate a built-in space for the connection terminal 230, and the inner case bolt 210 facilitates connection in an external assembly, in some embodiments, a shielding structure may be disposed on the side surface of the inner groove 220 of the inner case 200 to match sealing;

referring to fig. 1 and fig. 2 again, the sleeve 300 is connected to the connection terminal 230, specifically, the sleeve 300 is sleeved outside the connection terminal 230, and the number of the sleeves 300 is adjusted according to the number of the connection terminals;

referring to fig. 2 and 3 again, the inner tube 400 is connected to the sleeve 300, specifically, the inner tube 400 is sleeved on the inner wall of the sleeve 300, the main telescopic ring 310 carrying the fastening sleeve 320 is bonded on the top of the sleeve 300, the tail sleeve 330 is bonded on the bottom of the inner tube 400, the limit buckle 410 is embedded on the inner wall of the inner tube 400, the insulating sleeve 420 carrying the tube cavity 430 is embedded on the top of the inner tube 400, the combined buckle 440 inserted with the limit buckle 410 is embedded on the side wall of the insulating sleeve 420, the pull rod 450 is inserted on the bottom of the limit buckle 410, and the main auxiliary tube 460 and the auxiliary tube 470 which have the same structure as the inner tube 400 are sleeved on the side wall of the pull rod 450;

when the combined type pipe connector is used specifically, firstly, the outer shell bolt 110 convenient for matching and fixing is arranged on the side face of the outer shell 100, the inner shell bolt 210 is arranged on the inner shell 200, the combination effect of the outer shell 100 and the inner shell 200 can be ensured, the inner shell 200 is provided with the inner groove 220, a space is generated for the built-in of the wiring terminal 230, the sleeve 300 can be combined after the wiring terminal 230 is welded, the sleeve 300 is held by a hand after the welding position is sleeved, the position of the inner tube 400 is pressed by the sleeve 300, the inner tube 400 is aligned with the welding position, the tail sleeve 330 is pulled and extended, the auxiliary pipe 470 is pulled, the pull rod 450 is influenced in the pulling process, the pull rod 450 continues to pull the main auxiliary pipe 460, finally, the inner tube 400, the main auxiliary pipe 460 and the auxiliary pipe 470 are completely unfolded to be matched with the welding position and are effectively wrapped, the main expansion ring 310 carrying the fastening sleeve 320 is arranged at the top, the auxiliary expansion ring 340 carrying the sealing ring 350 is arranged at the bottom, the positions of the two ends of the seal can be wrapped.

Referring to fig. 1 again, in order to facilitate the inner housing 200 to generate an internal space and facilitate the installation of the connection terminal 230, specifically, the inner wall of the inner housing 200 is integrally formed to reserve the inner groove 220, and the side wall of the inner groove 220 is bonded with a sealing strip, which increases the sealing property of the inner groove 220 and further ensures the stability of the internal environment.

Referring to fig. 2 again, in order to increase the sealing effect of the bottom and ensure the overall sealing performance, specifically, the bottom of the tail sleeve 330 is bonded with an auxiliary extension tube 340, and the circumferential outer wall of the auxiliary extension tube 340 is sleeved with a sealing ring 350.

Referring to fig. 3 again, in order to maximize the protection of the welding position during the sleeving process, specifically, the inner tube 400 is made of a hard rubber tube, the inner tube 400, the main auxiliary tube 460 and the auxiliary tube 470 are installed on the same horizontal line, and in some embodiments, the number of the inner tube 400, the main auxiliary tube 460 and the auxiliary tube 470 may be adjusted according to the welding width and length.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A substitute motor termination characterized in that: comprises an outer shell (100), an inner shell (200), a sleeve (300) and an inner tube (400), wherein the front side wall of the outer shell (100) is embedded with the inner shell (200), the inner wall of the inner shell (200) is welded with a wiring terminal (230), the outside of the wiring terminal (230) is sleeved with the sleeve (300), the inner wall of the sleeve (300) is sleeved with the inner tube (400), the top of the sleeve (300) is adhered with a main expansion ring (310) carrying a fastening sleeve (320), the bottom of the inner tube (400) is adhered with a tail sleeve (330), the inner wall of the inner tube (400) is embedded with a limit buckle (410), the top of the inner tube (400) is embedded with an insulating sleeve (420) carrying a tube cavity (430), the side wall of the insulating sleeve (420) is embedded with a combined buckle (440) inserted with the limit buckle (410), and the bottom of the limit buckle (410) is inserted with a pull rod (450), the side wall of the pull rod (450) is sleeved with a main auxiliary pipe (460) and an auxiliary pipe (470) which have the same structure as the inner pipe (400).

2. An alternative motor wiring device according to claim 1, wherein: the front side wall of the outer shell (100) is embedded with an outer shell bolt (110), and the front side wall of the inner shell (200) is embedded with an inner shell bolt (210).

3. An alternative motor wiring device according to claim 1, wherein: an inner groove (220) is reserved on the inner wall of the inner shell (200) in an integrated forming mode, and a sealing strip is bonded to the side wall of the inner groove (220).

4. An alternative motor wiring device according to claim 1, wherein: an auxiliary telescopic pipe (340) is bonded to the bottom of the tail sleeve (330), and a sealing ring (350) is sleeved on the circumferential outer wall of the auxiliary telescopic pipe (340).

5. An alternative motor wiring device according to claim 1, wherein: the inner pipe (400) is made of a hard rubber pipe, and the inner pipe (400), the main auxiliary pipe (460) and the auxiliary pipe (470) are arranged on the same horizontal line.