CN210978146U

CN210978146U - Screw anti-loosening structure of bearing plate

Info

Publication number: CN210978146U
Application number: CN201921961162.6U
Authority: CN
Inventors: 戴建平
Original assignee: Jiangmen Yongdongli Motor Co ltd
Current assignee: Jiangmen Yongdongli Motor Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-10
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a motor production technical field just discloses a screw anti loosening structure of bearing clamp plate, including preceding aluminium lid, the mounting groove has been seted up on preceding aluminium lid right side, swing joint has the bearing in the mounting groove, swing joint has the bearing clamp plate that is located the bearing right side in the mounting groove, the heavy groove that quantity is four is seted up on bearing clamp plate right side, heavy inslot thread connection has the fastening screw who runs through the bearing clamp plate and extend to in the preceding aluminium lid. This screw anti loosening structure of bearing clamp plate has solved and has need support the axle core of motor through the bearing in the motor production equipment process, comes fixing bearing through the bearing clamp plate, and the bearing clamp plate is fixed through screw and preceding aluminium lid again, but owing to can produce great vibrations at the motor during operation, only lean on cross head screw very easily not hard up, and then can lead to the motor trouble, and the bearing clamp plate is located inside the motor, the maintenance of not being convenient for, the problem of inconvenience is brought for the user.

Description

Screw anti-loosening structure of bearing plate

Technical Field

The utility model relates to a motor production technical field specifically is a screw anti loosening structure of bearing clamp plate.

Background

The motor is an equipment for converting electric energy into mechanical energy, it utilizes the electrified coil (i.e. stator winding) to produce rotating magnetic field and act on the rotor (such as squirrel-cage closed aluminium frame) to form magnetoelectric power rotating torque, and 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 motors or asynchronous motors (the rotating speed of stator magnetic field of motor and rotating speed of rotor are not synchronous), and its bearing is an important component in the contemporary mechanical equipment, and its main function is to support mechanical rotating body, reduce its friction coefficient in the course of movement, and ensure its rotation accuracy.

Need support the axle core of motor through the bearing in the motor production assembling process, come fixing bearing through the bearing clamp plate, and the bearing clamp plate is fixed through screw and preceding aluminium lid again, but owing to can produce great vibrations at the motor during operation, it is very not hard up very easily only to rely on the cross head screw, and then can lead to the motor trouble, and the bearing clamp plate is located inside the motor, the maintenance of not being convenient for brings inconvenience for the user, so proposed the screw anti loosening structure of a bearing clamp plate and solved above-mentioned problem of proposing.

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 screw anti loosening structure of bearing clamp plate, possess the not hard up advantage of effective screw that prevents, the axle core that needs support the motor through the bearing in the motor production equipment process has been solved, come fixing bearing through the bearing clamp plate, and the bearing clamp plate is fixed through screw and preceding aluminium lid again, but because can produce great vibrations at the motor during operation, only it is not hard up very easily to lean on cross head screw, and then can lead to motor trouble, and the bearing clamp plate is located inside the motor, be not convenient for maintain, bring inconvenient problem for the user.

(II) technical scheme

For the above-mentioned purpose of effectively preventing that the screw is not hard up of realization, the utility model provides a following technical scheme: a screw anti-loosening structure of a bearing plate comprises a front aluminum cover, wherein a mounting groove is formed in the right side of the front aluminum cover, a bearing is movably connected in the mounting groove, a bearing pressing plate located on the right side of the bearing is movably connected in the mounting groove, four sinking grooves are formed in the right side of the bearing pressing plate, fastening screws penetrating through the bearing pressing plate and extending into the front aluminum cover are connected in the sinking grooves in a threaded manner, eight limiting grooves are formed in the side walls of the sinking grooves, cross grooves are formed in the right side of the fastening screws, cylindrical grooves are formed in the right side of the cross grooves, limiting columns are movably connected in the cylindrical grooves, two limiting rods are fixedly mounted on the right side of the limiting columns, clamping grooves are formed in the limiting grooves, a cavity is formed in one end, close to the limiting grooves, of the limiting rods, and a pressure spring is fixedly connected to one, one end of the pressure spring, which is close to the limiting groove, is fixedly connected with a clamping rod which penetrates through and extends to the outside of the limiting rod, and the right side of one end of the clamping rod, which is located in the cavity, is fixedly connected with a shifting rod which penetrates through and extends to the right side of the limiting rod.

Preferably, a shaft center hole communicated with the mounting groove is formed in the left side of the front aluminum cover, and the diameter of the shaft center hole is smaller than that of the bearing.

Preferably, the diameter of the bearing pressing plate is larger than that of the bearing, and a through hole with the diameter smaller than that of the bearing is formed in the right side of the bearing pressing plate.

Preferably, the right side of the front aluminum cover is provided with a thread groove matched with the fastening screw, the groove width of the limiting groove is equal to that of the cross groove, and the included angle between the adjacent limiting grooves is forty-five degrees.

Preferably, the included angle between the two limiting rods is ninety degrees, the width of the two limiting rods is smaller than the groove width of the limiting groove, and the length of the two limiting rods is larger than the distance between the cylindrical groove and the limiting groove.

Preferably, the width of the clamping rod is smaller than the groove width of the clamping groove, and a sliding groove matched with the shifting rod is formed in the right side of the limiting rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a screw anti loosening structure of bearing clamp plate possesses following beneficial effect:

the screw anti-loosening structure of the bearing pressing plate comprises a bearing, a bearing is placed in a mounting groove by a user, then a bearing plate and a front aluminum cover are fixed by a fastening screw fixing shaft, the bearing in the mounting groove is fixed, a fastening screw is rotated to align a cross groove with a limiting groove, then a limiting column is inserted into a cylindrical groove, two limiting rods are fixedly connected to the right side of the limiting column, a deflector rod is pulled to extrude a pressure spring to enable a clamping rod to contract, the limiting rods are pushed to move into the limiting groove and the cross groove, then the deflector rod is loosened to enable the clamping rod to be clamped with a clamping groove under the pushing of the pressure spring, the limiting rod is positioned in the cylindrical groove, the separation of the limiting rod and the cross groove is effectively avoided, the rotation of the fastening screw is limited by the limiting rods, the purpose of effectively preventing the screw from loosening is achieved, and the problem that a shaft core of a motor needs to be supported by the bearing in the motor, fix the bearing through the bearing clamp plate, and the bearing clamp plate is fixed through screw and preceding aluminium lid again, but because can produce great vibrations at the motor during operation, only lean on the cross head screw very easily not hard up, and then can lead to the motor trouble, and the bearing clamp plate is located inside the motor, the maintenance of not being convenient for, the problem of bringing inconvenience for the user.

Drawings

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

FIG. 2 is a schematic view of the connection between the bearing pressing plate and the fastening screw according to the present invention;

FIG. 3 is a schematic view of the connection between the limit post and the limit rod of the present invention;

FIG. 4 is a schematic view of the connection between the limiting rod and the cross groove and the limiting groove of the present invention;

fig. 5 is a partial cross-sectional view of the present invention in fig. 4;

FIG. 6 is an enlarged view of a portion of the thin film transistor shown in FIG. 5;

fig. 7 is a partially enlarged schematic view of the point B shown in fig. 4 according to the present invention.

In the figure: 1 front aluminum cover, 2 mounting grooves, 3 bearings, 4 bearing pressing plates, 5 sinking grooves, 6 fastening screws, 7 limiting grooves, 8 cross grooves, 9 cylindrical grooves, 10 limiting columns, 11 limiting rods, 12 clamping grooves, 13 cavities, 14 pressure springs, 15 clamping rods and 16 deflector rods.

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. 1-7, a screw anti-loosening structure for a bearing plate comprises a front aluminum cover 1, a mounting groove 2 is formed in the right side of the front aluminum cover 1, a shaft center hole communicated with the mounting groove 2 is formed in the left side of the front aluminum cover 1, a bearing 3 is movably connected in the mounting groove 2, the diameter of the shaft center hole is smaller than that of the bearing 3, a bearing pressing plate 4 positioned on the right side of the bearing 3 is movably connected in the mounting groove 2, the diameter of the bearing pressing plate 4 is larger than that of the bearing 3, a through hole with a diameter smaller than that of the bearing 3 is formed in the right side of the bearing pressing plate 4, four sink grooves 5 are formed in the right side of the bearing pressing plate 4, fastening screws 6 penetrating through the bearing pressing plate 4 and extending into the front aluminum cover 1 are connected in the sink grooves 5 through internal threads, thread grooves matched with the fastening screws 6 are formed in the right side of the front aluminum cover 1, eight limiting grooves, the groove width of spacing groove 7 equals the groove width of cross groove 8, the contained angle between adjacent spacing groove 7 is forty-five degrees, cylinder groove 9 has been seted up on cross groove 8 right side, swing joint has spacing post 10 in the cylinder groove 9, spacing post 10 right side fixed mounting has quantity to be two gag lever post 11, the contained angle between two gag lever post 11 is ninety degrees, the width of two gag lever post 11 all is less than the groove width of gag lever post 7, the length of two gag lever posts 11 all is greater than the distance between cylinder groove 9 and the gag lever post 7, draw-in groove 12 has been seted up in the gag lever post 7, cavity 13 has been seted up in the one end that gag lever post 11 is close to gag lever post 7, one side fixedly connected with pressure spring 14 that spacing groove 7 was kept away from to cavity 13, pressure spring 14 is close to the one end fixedly connected with of gag lever post 7 and runs through and extends to gag lever post 15 outside gag lever post 11, the width of draw-in 15 is less than the groove width of draw-in groove 12, right side fixedly connected with And the right side of the limiting rod 11 is provided with a sliding chute matched with the shift lever 16.

When in use, a user places the bearing 3 into the mounting groove 2, then fixes the bearing plate 4 and the front aluminum cover 1 through the fastening screw 6 to complete the fixation of the bearing 3 in the mounting groove 2, rotates the fastening screw 6 to align the cross groove 8 with the limiting groove 7, then inserts the limiting column 10 along the cylindrical groove 9, because the two limiting rods 11 are fixedly connected to the right side of the limiting column 10, the deflector rod 16 is pulled to extrude the pressure spring 14 to shrink the clamping rod 15, and then the limiting rods 11 are pushed to move into the limiting grooves 7 and the cross grooves 8, then the shift lever 16 is released to make the clamping rod 15 clamped with the clamping groove 12 under the pushing of the pressure spring 14, because the included angle between the two limiting rods 11 is ninety degrees and the limiting column 10 is positioned in the cylindrical groove 9, the separation of the limiting rods 11 and the cross groove 8 is effectively avoided, therefore, the rotation of the fastening screw 6 is limited through the limiting rod 11, and the purpose of effectively preventing the screw from loosening is achieved.

To sum up, the screw anti-loose structure of the bearing pressing plate is characterized in that a user places a bearing 3 into a mounting groove 2, then fixes a bearing plate 4 and a front aluminum cover 1 through a fastening screw 6, so as to fix the bearing 3 in the mounting groove 2, rotates the fastening screw 6 to align a cross groove 8 with a limiting groove 7, then inserts a limiting column 10 along a cylindrical groove 9, because two limiting rods 11 are fixedly connected to the right side of the limiting column 10, pulls a shift lever 16 to extrude a pressure spring 14 to contract a clamping rod 15, then pushes the limiting rod 11 to move into the limiting groove 7 and the cross groove 8, then loosens the shift lever 16 to clamp the clamping rod 15 with a clamping groove 12 under the pushing of the pressure spring 14, because the included angle between the two limiting rods 11 is ninety degrees and the limiting column 10 is positioned in the cylindrical groove 9, the separation of the limiting rod 11 and the cross groove 8 is effectively avoided, so that the rotation of the fastening screw 6 is limited by the limiting rod 11, the purpose of effectively preventing the screw not hard up has been reached to effectual solution need support the axle core of motor through the bearing in the motor production equipment process, come fixing bearing through the bearing clamp plate, and the bearing clamp plate is fixed through screw and preceding aluminium lid again, but owing to can produce great vibrations at the motor during operation, it is very easy not hard up only to lean on cross head screw, and then can lead to motor trouble, and the bearing clamp plate is located inside the motor, be not convenient for maintain, the problem of inconvenience is brought for the user.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 screw anti loosening structure of bearing clamp plate, includes preceding aluminium lid (1), its characterized in that: the front aluminum cover is characterized in that a mounting groove (2) is formed in the right side of the front aluminum cover (1), a bearing (3) is movably connected in the mounting groove (2), a bearing pressing plate (4) located on the right side of the bearing (3) is movably connected in the mounting groove (2), four sinking grooves (5) are formed in the right side of the bearing pressing plate (4), fastening screws (6) penetrating through the bearing pressing plate (4) and extending into the front aluminum cover (1) are connected in the internal threads of the sinking grooves (5), eight limiting grooves (7) are formed in the side wall of the sinking grooves (5), cross grooves (8) are formed in the right side of the fastening screws (6), cylindrical grooves (9) are formed in the right side of the cross grooves (8), limiting columns (10) are movably connected in the cylindrical grooves (9), two limiting rods (11) are fixedly installed on the right side of the limiting columns (10), and clamping grooves (12) are formed in the limiting grooves (, the utility model discloses a spacing pole (11) and its manufacturing method, including gag lever post (11), gag lever post (11) are close to one end of spacing groove (7) and have seted up cavity (13), one side fixedly connected with compression spring (14) of gag lever post (7) are kept away from in cavity (13), one end fixedly connected with that compression spring (14) are close to spacing groove (7) runs through and extends to gag lever post (15) outside gag lever post (11), right side fixedly connected with that gag lever post (15) are located one end in cavity (13) runs through and extends to driving lever (16) on gag lever post (11) right side.

2. The screw looseness prevention structure of a bearing plate according to claim 1, wherein: and a shaft center hole communicated with the mounting groove (2) is formed in the left side of the front aluminum cover (1), and the diameter of the shaft center hole is smaller than that of the bearing (3).

3. The screw looseness prevention structure of a bearing plate according to claim 1, wherein: the diameter of the bearing pressing plate (4) is larger than that of the bearing (3), and a through hole with the diameter smaller than that of the bearing (3) is formed in the right side of the bearing pressing plate (4).

4. The screw looseness prevention structure of a bearing plate according to claim 1, wherein: threaded groove matched with fastening screw (6) is seted up on preceding aluminium lid (1) right side, the groove width of spacing groove (7) equals the groove width of cross recess (8), and is adjacent contained angle between spacing groove (7) is forty-five degrees.

5. The screw looseness prevention structure of a bearing plate according to claim 1, wherein: the included angle between two gag lever post (11) is ninety degrees, two the width of gag lever post (11) all is less than the groove width of spacing groove (7), two the length of gag lever post (11) all is greater than the distance between cylinder groove (9) and spacing groove (7).

6. The screw looseness prevention structure of a bearing plate according to claim 1, wherein: the width of the clamping rod (15) is smaller than the groove width of the clamping groove (12), and the right side of the limiting rod (11) is provided with a sliding groove matched with the shifting rod (16).