CN212063735U

CN212063735U - Motor terminal box with stable power

Info

Publication number: CN212063735U
Application number: CN202021208175.9U
Authority: CN
Inventors: 于�玲; 翟兆亮; 谭延慧; 狄学刚
Original assignee: Zibo Traction Motor Group Co ltd
Current assignee: Zibo Traction Motor Group Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-01
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to a motor terminal box technical field just discloses a motor terminal box of stable power, including the box body, box body fixed mounting is provided with the protection tube on the motor body on the box body wall, and the protection tube includes the stop collar, and protection tube outer wall middle part fixed mounting has fixed cover, is provided with the adapter sleeve on the protection tube opposite side tip. This stable motor terminal box of power, through setting up the stop collar, fixed cover, the fixed block, connecting screw hole and fixed screw hole, realized can carrying out a spacing effect to box body and protection tube and stop collar between whole, played the problem that prevents that protection tube and stop collar whole from droing from the box body, stability between improvement cable and the motor terminal box, and stopper and spacing groove make things convenient for holistic dismantlement and the installation to the protection tube, have stronger practicality, the fixed block, realized between connecting screw hole and the fixed screw hole and fix between box body and the protection tube is whole, further improve device's stability.

Description

Motor terminal box with stable power

Technical Field

The utility model relates to a motor terminal box technical field specifically is a motor terminal box of stable power.

Background

The motor is a device for converting electric energy into mechanical energy, and is mainly composed of a stator and a rotor, the direction of the forced movement of an electrified conducting wire in a magnetic field is related to the current direction and the magnetic induction line direction, and the working principle of the motor is that the magnetic field exerts force on the current to enable the motor to rotate. And electric power is transmitted between the motor and the cable through the motor junction box.

But the general design of prior art's motor terminal box is comparatively simple, and the terminal box is at the in-process of connecting cable, and unable cable plays good fixed effect, leads to the cable head end to appear becoming flexible in the terminal box junction easily, the problem that drops even, leads to the unable normal work of motor when the cable is not flexible, causes the unstable of power, the problem of unable work even. Therefore, in order to solve the above problems, it is necessary to provide a motor junction box with stable power.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a stable motor terminal box of power, possess the convenience and to holistic dismantlement of protection tube and install, stronger practicality has, the fixed block, it fixes to have realized between box body and the protection tube is whole between connecting screw hole and the fixed screw hole, further improve advantages such as device's stability, it is comparatively simple to have solved the general design of prior art's motor terminal box, the terminal box is at connecting cable's in-process, unable cable plays good fixed effect, lead to the cable head end to appear becoming flexible in the terminal box junction easily, the problem that drops even, lead to the unable normal work of motor when the cable is not hard up, cause the unstability of power, the problem of unable work even.

(II) technical scheme

For realizing above-mentioned convenience to the holistic dismantlement of protection tube and installation, have stronger practicality, realized fixing between box body and the protection tube is whole between fixed block, connecting thread hole and the fixed thread hole, further improve the purpose of the stability of device, the utility model provides a following technical scheme: the utility model provides a motor junction box of stable power, comprises a box bod, box body fixed mounting is on motor body, be provided with the protection tube on the box body wall, a jack and four fixed screw hole have been seted up to one side wall that the box body set up the protection tube, and four fixed screw hole are the annular respectively and distribute in the outside of jack, the equal fixed mounting in both ends has the stopper about the jack inner wall middle part, the protection tube includes the stop collar, stop collar fixed mounting is on one side outer wall of protection tube, the spacing groove of the mutual block of stopper is seted up at both ends about the stop collar outer wall, and the spacing groove is the L shape, protection tube outer wall middle part fixed mounting has fixed cover, fixed cover outer wall fixed mounting has four mutual symmetrical fixed blocks, and four fixed blocks all set up the connecting screw hole that corresponds each other with four, The fastening block and the rotating ball are fixedly arranged on the wall surface of the other end of the protection tube, fastening threaded holes in the cavity of the communicated fastening sleeve are respectively formed in the upper end and the lower end of the fastening sleeve, the quantity of the fastening bolts, the fastening block and the rotating ball is two, the two fastening bolts are in threaded connection in the fastening threaded holes, the bottoms of the two fastening bolts all stretch into the cavity of the fastening sleeve, and the rotating ball is arranged between the bottom end of the fastening bolt and the top end of the fastening block.

Preferably, a ball groove clamped with the rotating ball is formed between the bottom end of the fastening bolt and the top end of the fastening block, the top end of the rotating ball is fixedly installed in the ball groove of the fastening bolt, and the bottom end of the rotating ball is clamped in the ball groove of the fastening block and can rotate.

Preferably, the upper end and the lower end of the inner wall of the fastening sleeve are respectively provided with a clamping groove which is clamped with the fastening block, and the two fastening threaded holes correspond to the two clamping grooves up and down.

Preferably, the bottoms of the two fastening blocks are provided with friction grooves.

Preferably, the protection pipe cavity is fixedly installed with the branching plate, the branching plate is located on one side of the protection pipe cavity close to the limiting sleeve, and four vertically-distributed branching holes are formed in the branching plate.

Preferably, four of said tap holes are equally spaced.

(III) advantageous effects

Compared with the prior art, the utility model provides a stable motor terminal box of power possesses following beneficial effect:

1. this stable motor terminal box of power, through setting up the stop collar, the spacing groove, the jack, the stopper, fixed cover, the fixed block, connecting screw hole and fixed screw hole, realized can carrying out a spacing effect to box body and protection tube and stop collar between whole, played the problem that prevents that protection tube and stop collar whole from droing from the box body, improve stability between cable and the motor terminal box, and stopper and spacing groove are convenient to the holistic dismantlement of protection tube and installation, have stronger practicality, the fixed block, realized fixing between box body and the protection tube is whole between connecting screw hole and the fixed screw hole, further improve the stability of device.

2. This stable motor terminal box of power through setting up adapter sleeve, fastening bolt, fastening block and rolling ball, has realized fastening and fixing between the outer wall of cable head end and the adapter sleeve, strengthens the fixed ability to the cable for cable and protection tube and adapter sleeve are whole between the joint strength improve, play and prevent that the cable from droing and not hard up problem, guarantee the stability of cable work, thereby realize the stability of motor terminal box during operation power.

3. This stable motor terminal box of power through setting up the friction groove, the friction groove has played the effect that the cooperation fastening block used, further improves the practicality of fastening block, has increased the contact friction power of fastening block with the cable outer wall, has consequently improved the fixed effect to the cable.

Drawings

FIG. 1 is a schematic view of the overall structure of the box body and the protection tube of the present invention;

FIG. 2 is a front view of the box body of the present invention;

FIG. 3 is a partial cross-sectional view of the box body of the present invention;

fig. 4 is a sectional view of the protection tube of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the structure of the stop collar of the present invention;

FIG. 7 is a schematic diagram of the structure of the wire distributing plate of the present invention;

fig. 8 is a front view of the fixing sleeve of the present invention;

fig. 9 is a schematic view of the structure of the fastening block of the present invention.

In the figure: 1. a box body; 11. a jack; 12. fixing the threaded hole; 13. a limiting block; 2. protecting the tube; 21. a limiting sleeve; 22. a limiting groove; 3. a wire distributing plate; 31. a wire dividing hole; 4. fixing a sleeve; 41. a fixed block; 42. connecting the threaded hole; 5. fastening sleeves; 51. fastening a bolt; 52. a fastening block; 53. rotating the ball; 54. a card slot; 55. fastening the threaded hole; 56. and (4) rubbing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a motor junction box with stable power comprises a box body 1, wherein the box body 1 is fixedly arranged on a motor body, the wall surface of the box body 1 is provided with a protection tube 2, one side wall surface of the box body 1, which is provided with the protection tube 2, is provided with a jack 11 and four fixing threaded holes 12, the four fixing threaded holes 12 are respectively distributed on the outer side of the jack 11 in an annular shape, the upper end and the lower end of the middle part of the inner wall of the jack 11 are respectively and fixedly provided with a limiting block 13, the protection tube 2 comprises a limiting sleeve 21, the limiting sleeve 21 is fixedly arranged on the outer wall of one side of the protection tube 2, the upper end and the lower end of the outer wall of the limiting sleeve 21 are provided with limiting grooves 22, which are mutually clamped by the limiting blocks 13, the limiting grooves 22 are L-shaped, a distributing plate 3 is fixedly arranged in the cavity of the protection tube 2, the middle part of the outer wall of the protection tube 2 is fixedly provided with a fixed sleeve 4, the outer wall of the fixed sleeve 4 is fixedly provided with four mutually symmetrical fixed blocks 41, the four fixed blocks 41 are all provided with connecting threaded holes 42 corresponding to the four fixed threaded holes 12, the end part at the other end of the protection tube 2 is provided with a fastening sleeve 5, the fastening sleeve 5 comprises fastening bolts 51, fastening blocks 52 and rotating balls 53, the fastening sleeve 5 is fixedly arranged on the wall surface at the end part at the other end of the protection tube 2, the upper end and the lower end of the fastening sleeve 5 are respectively provided with fastening threaded holes 55 communicated with the cavity of the fastening sleeve 5, the number of the fastening bolts 51, the fastening blocks 52 and the rotating balls 53 is two, the two fastening bolts 51 are in threaded connection with the fastening threaded holes 55, the bottom ends of the two fastening bolts 51 are respectively inserted into the cavity of the fastening sleeve 5, the rotating balls 53 are arranged between the bottom ends of the fastening bolts 51, the top end of the rotating ball 53 is fixedly installed in a ball groove of the fastening bolt 51, the bottom end of the rotating ball 53 is clamped in the ball groove of the fastening block 52 and can rotate, clamping grooves 54 which are clamped with the fastening block 52 are respectively formed in the upper end and the lower end of the inner wall of the fastening sleeve 5, the two fastening threaded holes 55 correspond to the two clamping grooves 54 up and down, and friction grooves 56 are formed in the bottoms of the two fastening blocks 52.

When the cable fixing device is used, firstly, the head end of a cable extends into the cable fixing device from the end of the fastening sleeve 5, the wiring harness at the head end of the cable is separated from the four wiring holes 31 on the wiring board 3, the fastening bolt 51 is rotated to enable the fastening bolt 51 to further extend into the cavity of the fastening sleeve 5 through the fastening threaded hole 55, the fastening block 52 is further attached to the outer wall of the cable when the rotating ball 53 rotates, the outer wall of the cable is clamped, the fastening block 52 is made of rubber, the outer wall of the cable is protected, the friction force of the contact between the fastening block 52 and the outer wall of the cable is increased through the friction groove 56, therefore, through the arrangement of the fastening sleeve 5, the fastening bolt 51, the fastening block 52 and the rotating ball 53, the fastening and fixing between the outer wall at the head end of the cable and the fastening sleeve 5 are realized, the fixing capacity of the cable is enhanced, the connection strength between the cable and the whole of the protection tube 2 and the, the working stability of the cable is ensured, the friction groove 56 is arranged, the friction groove 56 has the effect of being matched with the fastening block 52 for use, the practicability of the fastening block 52 is further improved, the contact friction force between the fastening block 52 and the outer wall of the cable is increased, the fixing effect of the cable is improved, the head end of the cable enters the cavity of the box body 1 after being separated by the wire separating hole 31, the wire separating plate 3 and the wire separating hole 31 have the effect of preventing the wire harness from being wound together in a crossed manner, then the limiting sleeve 21 is aligned to the jack 11, the limiting block 13 is aligned to the limiting groove 22, the limiting sleeve 21 is inserted into the jack 11 after being aligned, then the limiting sleeve 21 is rotated, the limiting block 13 is clamped inside the bent end of the limiting groove 22, the simple limiting between the limiting sleeve 21 and the box body 1 is realized, at the moment, the fixing sleeve 4 on the fixing block 41 is aligned to the fixing threaded hole 12, and then the fixing sleeve 4, the realization is together fixed box body 1 and fixed block 41, also realize being in the same place protection tube 2 and box body 1 fixed connection, consequently through setting up stop collar 21, spacing groove 22, jack 11, stopper 13, fixed cover 4, fixed block 41, connecting screw hole 42 and fixed screw hole 12, realized can carrying out a spacing effect to box body 1 and protection tube 2 and stop collar 21 between whole, the problem that prevents that protection tube 2 and stop collar 21 whole from droing from box body 1 has been played, stability between improvement cable and the motor terminal box, and stopper 13 and spacing groove 22 are convenient to the holistic dismantlement of protection tube 2 and installation, stronger practicality has, fixed block 41, realized fixing box body 1 and protection tube 2 between whole between connecting screw hole 42 and the fixed screw hole 12, further improve the stability of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stable motor terminal box of power, includes box body (1), and box body (1) fixed mounting is on motor body, its characterized in that: the protective sleeve is characterized in that a protective tube (2) is arranged on the wall surface of the box body (1), one side wall surface of the box body (1) provided with the protective tube (2) is provided with one jack (11) and four fixed threaded holes (12), the four fixed threaded holes (12) are respectively distributed on the outer side of the jack (11) in an annular manner, limit blocks (13) are fixedly arranged at the upper end and the lower end of the middle part of the inner wall of the jack (11), the protective tube (2) comprises limit sleeves (21), the limit sleeves (21) are fixedly arranged on the outer wall of one side of the protective tube (2), limit grooves (22) which are mutually clamped by the limit blocks (13) are arranged at the upper end and the lower end of the outer wall of the limit sleeves (21), the limit grooves (22) are in an L shape, a fixed sleeve (4) is fixedly arranged at the middle part of the outer wall of the protective tube (2), four mutually symmetrical, be provided with adapter sleeve (5) on protection tube (2) other side tip, adapter sleeve (5) are including fastening bolt (51), fastening block (52) and rolling ball (53), adapter sleeve (5) fixed mounting is on protection tube (2) other side tip wall, fastening screw hole (55) of intercommunication adapter sleeve (5) intracavity are seted up respectively to both ends about adapter sleeve (5), fastening bolt (51), the quantity of fastening block (52) and rolling ball (53) is two, the equal threaded connection in fastening screw hole (55) of two fastening bolt (51), and two fastening bolt (51) bottoms all stretch into at adapter sleeve (5) intracavity, rolling ball (53) set up between fastening bolt (51) bottom and fastening block (52) top.

2. A power stabilized motor junction box according to claim 1, wherein: all seted up between fastening bolt (51) bottom and fastening block (52) top with the mutual block ball groove of rolling ball (53), rolling ball (53) top fixed mounting is in fastening bolt (51)'s ball inslot, rolling ball (53) bottom block just can rotate in fastening block (52)'s ball inslot.

3. A power stabilized motor junction box according to claim 1, wherein: clamping grooves (54) which are clamped with the fastening blocks (52) are formed in the upper end and the lower end of the inner wall of the fastening sleeve (5) respectively, and the two fastening threaded holes (55) correspond to the two clamping grooves (54) up and down.

4. A power stabilized motor junction box according to claim 1, wherein: the bottoms of the two fastening blocks (52) are both provided with friction grooves (56).

5. A power stabilized motor junction box according to claim 1, wherein: protection tube (2) intracavity fixed mounting has separated time board (3), and separated time board (3) are located one side that protection tube (2) intracavity is close to stop collar (21), set up four vertical distribution's separated time hole (31) on separated time board (3).

6. A power stabilized motor junction box according to claim 5, wherein: the four wire distributing holes (31) are equidistantly spaced.