CN220382870U - Locking and connect stable motor shaft - Google Patents

Abstract

The utility model discloses an anti-loose and stable-connection motor shaft which comprises a motor shaft, wherein at least two limiting rings are arranged on the side wall of the motor shaft, a plurality of limiting blocks are arranged between the limiting rings, at least one opposite bump is arranged on the side face of the end face of the motor shaft, a yielding groove is arranged on the bump, a blind hole is arranged on the motor shaft and communicated with the yielding groove, a fixing component is arranged in the yielding groove, the fixing component comprises a supporting plate, a spring and a movable block, a concave cavity is formed in the supporting plate, the movable block is arranged in the concave cavity, and a fixing column is arranged on the movable block. According to the utility model, the limit ring is used for preventing the stator core group from moving up and down in the running process, the limit ring ensures that the stator core rotates along with the motor shaft, the fixing assembly ensures the stability of the motor shaft when the motor shaft is connected with other components, and the motor shaft is not damaged by connection and fixation, so that the product has the advantages of preventing the stator core from loosening, being stable in connection, being simple to operate and the like.

Description

Locking and connect stable motor shaft

Technical Field

The utility model relates to the technical field of motor accessories, in particular to a motor shaft which is loose-proof and stable in connection.

Background

The main function of the motor is to generate driving torque, and the motor shaft is used as an important component of the motor as a power source of an electric appliance or various machines to drive a rotor in the motor to rotate, so that the effects of transmitting torque and bearing load are achieved, and the mutual conversion between electric energy and mechanical energy is realized.

The existing motor shaft has the following problems and defects: the connection strength between the motor and the stator core of the motor is not high enough, so that the looseness phenomenon of the motor shaft and the stator core is easy to occur, and the use effect of the motor is influenced; the motor shaft is unfavorable for connecting with other parts, and the connection process adopts screw fixation generally, easily damages miniature axle surface. The applicant has thus devised an advantageous design and found a solution to the above-mentioned problems, in which the technical solutions described below are created.

Disclosure of Invention

The utility model aims to provide a motor shaft which is loose-proof and stable in connection, so as to solve the problems in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a locking and connect stable motor shaft, includes the motor shaft, the lateral wall of motor shaft is equipped with two at least spacing rings, be equipped with a plurality of stoppers between the spacing ring, the side of the terminal surface of motor shaft is equipped with at least one opposite lug, the lug is equipped with the recess of stepping down, the motor shaft is equipped with the blind hole, and with the recess intercommunication of stepping down, the recess of stepping down is equipped with fixed subassembly, fixed subassembly includes backup pad, spring, movable block, the backup pad is equipped with the cavity, the movable block sets up in the cavity, the movable block is equipped with the fixed column, spring mounting is fixed at the cavity, and acts on the movable block, makes the fixed column protrusion in the cavity, and sets up in the blind hole.

Preferably, chamfer angles are arranged at the two ends of the limiting ring and the two ends of the limiting block.

Preferably, limiting through holes are formed in two sides of the yielding groove, a first through hole is formed in the side wall of the yielding groove, a fixing block is arranged on the side wall of the protruding block, a top block is arranged on the fixing block, and a chamfer is arranged on the top block.

Preferably, the two sides of the supporting plate are provided with limiting columns and are arranged in limiting through holes, the concave cavity is provided with movable through holes, and the side wall of the concave cavity is provided with a second through hole.

Preferably, the side of movable block is equipped with the extension piece, and sets up in first through-hole, second through-hole, the extension piece is equipped with the pull ring to articulate in the pull ring, the pull ring sets up in the fixed block for prevent that the fixed column from protruding in the cavity.

Preferably, the concave cavity is provided with a cylinder, and the spring is arranged on the cylinder.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the limit ring is used for preventing the stator core group from moving up and down in the running process, the limit ring ensures that the stator core rotates along with the motor shaft, the problem that the motor shaft and the stator core are easy to loosen due to insufficient connection strength with the stator core is solved, and the product has the advantage of preventing the stator core from loosening.

(2) According to the utility model, the spring acts on the movable block to enable the fixed column to protrude out of the concave cavity, and the fixed column is connected with the fixed holes of other parts, so that the connection stability of the parts and the connecting shaft is ensured, and the product has the advantage of stable connection.

(3) According to the utility model, before the motor shaft is connected with the component, the pull ring is pulled to drive the movable block to move, the pull ring is placed on the fixed block, so that the fixed column is retracted into the concave cavity, when the connection is needed, only the pull ring is required to leave the fixed block, and the spring releases the counterforce to push the fixed column to be connected with the fixed hole of the component, so that the product has the advantage of simplicity in operation.

Drawings

FIG. 1 is a schematic view of a motor shaft with anti-loosening and stable connection;

FIG. 2 is a schematic view of a motor shaft with anti-loosening and stable connection;

FIG. 3 is an enlarged view showing a partial construction of a detail A of the motor shaft of FIG. 2, which is locked and connected stably in accordance with the present utility model;

FIG. 4 is a schematic view showing a structure of a fixing assembly of a motor shaft which is anti-loose and stably connected to the motor shaft according to the present utility model;

FIG. 5 is an exploded view of a securing assembly of a motor shaft of the present utility model that is secured to a stationary shaft;

the correspondence between the reference numerals and the component names in the drawings is as follows:

reference numerals: 1. a motor shaft; 2. a fixing assembly; 3. chamfering; 11. a limiting ring; 12. a limiting block; 13. a bump; 14. a relief groove; 15. a blind hole; 21. a support plate; 22. a spring; 23. a movable block; 24. a pull ring; 131. a fixed block; 132. a top block; 141. limiting through holes; 142. a first through hole; 211. a cavity; 212. a limit column; 213. a movable through hole; 214. a second through hole; 215. a cylinder; 231. fixing the column; 232. an extension block.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 5, a motor shaft with anti-loosening and stable connection comprises a motor shaft 1, at least two limiting rings 11 are arranged on the side wall of the motor shaft 1, a plurality of limiting blocks 12 are arranged between the limiting rings 11, at least one opposite protruding block 13 is arranged on the side surface of the end face of the motor shaft 1, a yielding groove 14 is arranged on the protruding block 13, a blind hole 15 is arranged on the motor shaft 1 and communicated with the yielding groove 14, a fixed component 2 is arranged on the yielding groove 14, the fixed component 2 comprises a supporting plate 21, a spring 22 and a movable block 23, the supporting plate 21 is provided with a concave cavity 211, the movable block 23 is arranged in the concave cavity 211, a fixed column 231 is arranged on the movable block 23, the spring 22 is fixedly arranged in the concave cavity 211 and acts on the movable block 23, and the fixed column 231 protrudes out of the concave cavity 211 and is arranged in the blind hole 15;

it should be noted that, chamfer angles 3 are arranged at two ends of the limiting ring 11 and two ends of the limiting block 12, the limiting ring 11 prevents the stator core group from moving up and down in the running process, the limiting ring 11 ensures that the stator core rotates along with the motor shaft 1, and the chamfer angles 3 facilitate the stator core to enter between the limiting rings 11 in an interference fit assembly mode and be connected with the limiting block 12;

it should be noted that, the two sides of the abdication groove 14 are provided with a limit through hole 141, the side wall of the abdication groove 14 is provided with a first through hole 142, the side wall of the bump 13 is provided with a fixed block 131, the fixed block 131 is provided with a top block 132, the top block 132 is provided with a chamfer 3, the limit through hole 141 plays a guiding role in fixing the supporting plate 21, the first through hole 142 limits the movable distance of the extension block 232, the fixed block 131 prevents the supporting role for the pull ring 24, the top block 132 prevents the pull ring 24 from falling off from the fixed block 131, and the chamfer 3 is convenient for the pull ring 24 to enter;

it should be noted that, the two sides of the supporting plate 21 are provided with the limiting posts 212 and are arranged on the limiting through holes 141, the concave cavity 211 is provided with the movable through holes 213, the side wall of the concave cavity 211 is provided with the second through holes 214, the limiting posts 212 are matched with the limiting through holes 141 to be used for fixing the supporting plate 21, the movable through holes 213 facilitate the telescopic movement of the fixing posts 231, and the second through holes 214 limit the movement distance of the extension blocks 232;

it should be noted that, the side surface of the movable block 23 is provided with an extension block 232, and the extension block 232 is disposed in the first through hole 142 and the second through hole 214, the extension block 232 is provided with a pull ring 24 and hinged to the pull ring 24, the pull ring 24 is disposed in the fixed block 131 and is used for preventing the fixed column 231 from protruding out of the cavity 211, the extension block 232 is matched with the pull ring 24 for use, and the pull ring 24 is convenient for a user to use;

it should be noted that the cavity 211 is provided with a cylinder 215, the spring 22 is disposed on the cylinder 215, and the cylinder 215 prevents the spring 22 from falling off during the moving process.

The principle of use of the utility model will now be described as follows:

when the motor shaft 1 needs to be connected with a component, the pull ring 24 is pulled to enable the movable block 23 to move towards the direction of the cylinder 215, the fixed column 231 is retracted into the concave cavity 211, the spring 22 is extruded by the movable block 23, the pitch clearance of the spring 22 is reduced, the spring 22 is in an energy storage state, the pull ring 24 is placed on the fixed block 131, and at the moment, the movable block 23 is kept at the current position.

When the component enters the blind hole 15, the pull ring 24 is pushed to leave the fixed block 131, the spring 22 releases the elastic force to the movable block 23 until the movable block 23 is contacted with the concave cavity 211 and stops moving, at this time, the fixed column 231 extends out of the movable through hole 213 and is connected with the fixed hole of the component, so that the connection operation of the motor shaft 1 and the component is completed, the disassembly and the rotation are convenient, and the fixing operation can be completed without using tools or screws.

Through the design scheme, the stator core can be prevented from loosening by the product, and the stator core is stable in connection and simple in operation.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (6)

1. The utility model provides a locking and connect stable motor shaft, includes motor shaft (1), its characterized in that: the side wall of motor shaft (1) is equipped with two at least spacing rings (11), be equipped with a plurality of stopper (12) between spacing rings (11), the side of the terminal surface of motor shaft (1) is equipped with at least one opposite lug (13), lug (13) are equipped with recess (14) of stepping down, motor shaft (1) are equipped with blind hole (15), and with recess (14) intercommunication of stepping down, recess (14) of stepping down is equipped with fixed subassembly (2), fixed subassembly (2) include backup pad (21), spring (22), movable block (23), backup pad (21) are equipped with cavity (211), movable block (23) set up in cavity (211), movable block (23) are equipped with fixed column (231), spring (22) are installed to be fixed in cavity (211), and act on movable block (23), make fixed column (231) protrusion in cavity (211), and set up in blind hole (15).

2. The loose-proof and connection-stable motor shaft according to claim 1, wherein: chamfer angles (3) are arranged at two ends of the limiting ring (11) and two ends of the limiting block (12).

3. The loose-proof and connection-stable motor shaft according to claim 2, characterized in that: limiting through holes (141) are formed in two sides of the yielding groove (14), first through holes (142) are formed in the side walls of the yielding groove (14), fixing blocks (131) are arranged on the side walls of the protruding blocks (13), top blocks (132) are arranged on the fixing blocks (131), and chamfering (3) are arranged on the top blocks (132).

4. A loose-proof and connection-stable motor shaft as defined in claim 3, wherein: limiting columns (212) are arranged on two sides of the supporting plate (21), the limiting columns are arranged on limiting through holes (141), movable through holes (213) are formed in the concave cavities (211), and second through holes (214) are formed in the side walls of the concave cavities (211).

5. The loose-proof, connection-stable motor shaft of claim 4, wherein: the side of movable block (23) is equipped with extension piece (232), and sets up in first through-hole (142), second through-hole (214), extension piece (232) are equipped with pull ring (24) to articulate in pull ring (24), pull ring (24) set up in fixed block (131) for prevent fixed column (231) protrusion in cavity (211).

6. The loose-proof and connection-stable motor shaft according to claim 1, wherein: the concave cavity (211) is provided with a cylinder (215), and the spring (22) is arranged on the cylinder (215).