CN211231247U

CN211231247U - Connected motor shaft

Info

Publication number: CN211231247U
Application number: CN201921673299.1U
Authority: CN
Inventors: 蔡玲民; 唐修晨; 谢亮
Original assignee: Xuzhou Ruilian Gear Co ltd
Current assignee: Xuzhou Ruilian Gear Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-08-11
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a motor shaft technical field just discloses a motor shaft of connection, which comprises a main shaft, the right side of main shaft is seted up flutedly, the inside wall of recess is seted up quantity and is four and be located the inside spacing groove of main shaft, the spacing spring of the inner chamber left side wall fixedly connected with of recess, the inside movable mounting of recess have one end run through and extend to the main shaft right side and with spacing spring right side fixed connection's axle head, the outside fixed mounting of axle head has quantity to be four and one end extends to the stopper of spacing inslot portion. This motor shaft of connection, through setting up the axle head, when the axle head received external axial impact force, the stopper in the axle head outside took place the displacement at the inside spacing inslot of main shaft, and spacing spring atress compression to make the impact force receive the buffering, avoid the impact force direct action with motor shaft fixed connection's bearing and lead to axial dislocation, reached the good purpose of motor stability.

Description

Connected motor shaft

Technical Field

The utility model relates to a motor shaft technical field specifically is a motor shaft of connection.

Background

The shaft is an important part of the motor, and serves as a link for electromechanical energy conversion between the motor and the equipment, supporting the rotating parts, transmitting torque, and determining the relative position of the rotating parts to the stator, and therefore, the motor shaft must have reliable strength and rigidity to ensure the achievement of the predetermined design function.

Current motor shaft all has simple structure's advantage on the existing market, but current most motor shaft is mostly the integral type structure, and the motor operation in-process all can lead to the motor shaft to receive axial impact force because of the particularity of load characteristic, makes the axial dislocation of different degrees appear in the stator-rotor, leads to poor stability, so proposes the motor shaft of a connection and solves the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a motor shaft of connection possesses advantages such as stability is good, has solved current most motor shafts and has mostly been the integral type structure, and the motor operation in-process all can lead to the motor shaft to receive axial impact force because of load characteristic's particularity, makes the axial dislocation of different degrees appear in the stator and rotor, leads to the impaired problem of equipment.

(II) technical scheme

For the purpose that realizes above-mentioned stability is good, the utility model provides a following technical scheme: a connected motor shaft comprises a main shaft, wherein a groove is formed in the right side of the main shaft, four limiting grooves which are positioned in the main shaft are formed in the inner side wall of the groove, a limiting spring is fixedly connected to the left side wall of an inner cavity of the groove, shaft ends are movably arranged in the groove, one ends of the shaft ends penetrate through and extend to the right side of the main shaft and are fixedly connected with the right side of the limiting spring, four limiting blocks are fixedly arranged on the outer sides of the shaft ends, one ends of the limiting blocks extend to the inner parts of the limiting grooves, a blocking cover which is positioned on the outer side of the main shaft is movably arranged on the outer side of the shaft ends, two mounting grooves are formed in the outer side of the main shaft, compression springs are fixedly connected to the opposite sides of the two mounting grooves, two mounting holes are formed in the outer side of the blocking cover, and, two equal movable mounting in inside of mounting hole has and is located two the button of slider back of the body one side of the back of the body mutually, the oilhole has been seted up in the outside of main shaft, the outside movable mounting of main shaft has the sleeve that is located the oilhole outside, the ring groove that is located the sleeve right side has been seted up in the outside of main shaft, ring groove's inside fixed mounting has the jump ring that one end extends to the main shaft outside, jump ring and sleeve joint.

Preferably, the limiting blocks are rectangular, and four of the limiting blocks are annularly distributed on the outer side of the shaft end.

Preferably, the blocking cover is in a concave shape, and a round hole positioned at the outer side of the shaft end is formed in the left side of the blocking cover.

Preferably, the sliding block is made of iron, and the right side of the sliding block is an inclined plane.

Preferably, the button is I-shaped, and the top of the button is wrapped with rubber.

Preferably, the clamp spring is made of stainless steel, and the thickness of the clamp spring is not more than three centimeters at zero point.

(III) advantageous effects

Compared with the prior art, the utility model provides a motor shaft of connection possesses following beneficial effect:

1. this motor shaft of connection, through setting up the axle head, when the axle head received external axial impact force, the stopper in the axle head outside took place the displacement at the inside spacing inslot of main shaft, and spacing spring atress compression to make the impact force receive the buffering, avoid the impact force direct action with motor shaft fixed connection's bearing and lead to axial dislocation, reached the good purpose of motor stability.

2. This motor shaft of connection, through setting up the button, when pressing the button, the slider atress makes compression spring shrink, and the slider breaks away from the mounting hole and enters into the mounting groove completely, makes the fender lid move right, and the axle head can realize breaking away from, has realized not having dismantled the motor and can change the purpose of impaired axle head, through setting up the jump ring, when making the jump ring break away from ring groove, makes the sleeve move right, can make the lubricating oil release of storing in the oilhole to the bearing, realizes the lubricated effect of being convenient for.

Drawings

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

FIG. 2 is a right sectional view of the limiting groove of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a main shaft 1, a groove 2, a limiting spring 3, a shaft end 4, a limiting block 5, a blocking cover 6, a limiting groove 7, a mounting groove 8, a compression spring 9, a sliding block 10, a mounting hole 11, a button 12, an oil hole 13, a sleeve 14, an annular clamping groove 15 and a clamp spring 16.

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. 1-3, a connected motor shaft comprises a main shaft 1, a groove 2 is formed on the right side of the main shaft 1, four limiting grooves 7 are formed in the inner side wall of the groove 2 and located inside the main shaft 1, a limiting spring 3 is fixedly connected to the left side wall of an inner cavity of the groove 2, shaft ends 4 are movably installed inside the groove 2, one end of each shaft end 4 penetrates through and extends to the right side of the main shaft 1 and is fixedly connected with the right side of the limiting spring 3, four limiting blocks 5 are fixedly installed on the outer sides of the shaft ends 4, one end of each limiting block 5 extends to the inside of the corresponding limiting groove 7, the four limiting blocks 5 are rectangular and are annularly distributed on the outer sides of the shaft ends 4, a blocking cover 6 located on the outer side of the main shaft 1 is movably installed on the outer sides of the shaft ends 4, the blocking cover 6 is in a concave shape, round holes located on the, the opposite sides of the two mounting grooves 8 are fixedly connected with compression springs 9, the outer side of the blocking cover 6 is provided with two mounting holes 11, one side of each of the two compression springs 9, which is opposite to each other, is fixedly provided with a slide block 10, one end of each slide block 10 extends into the corresponding mounting hole 11, each slide block 10 is made of iron, the right side of each slide block 10 is an inclined plane, the inner parts of the two mounting holes 11 are movably provided with buttons 12, the buttons 12 are arranged on the opposite sides of the two slide blocks 10, the buttons 12 are I-shaped, the tops of the buttons 12 are wrapped with rubber, the outer side of the spindle 1 is provided with an oil hole 13, the outer side of the spindle 1 is movably provided with a sleeve 14, the outer side of the spindle 1 is provided with an annular clamping groove 15, the inner part of the annular clamping groove 15 is fixedly provided with a clamping spring 16, one end of each clamping spring 16 extends, by arranging the shaft end 4, when the shaft end 4 is subjected to external axial impact force, the limiting block 5 at the outer side of the shaft end 4 is displaced in the limiting groove 7 in the main shaft 1, the limiting spring 3 is stressed and compressed, so that the impact force is buffered, the problem that the impact force directly acts on a bearing fixedly connected with a motor shaft to cause axial dislocation is avoided, and the aim of good stability of the motor is achieved, by arranging the button 12, when the button 12 is pressed, the slider 10 is stressed to contract the compression spring 9, the slider 10 is separated from the mounting hole 11 and completely enters the mounting groove 8, the baffle cover 6 is moved rightwards, the shaft end 4 can be separated, the aim of replacing the damaged shaft end 4 without disassembling the motor is achieved, by arranging the clamp spring 16, when the clamp spring 16 is separated from the annular clamping groove 15, the sleeve 14 is moved rightwards, and lubricating oil stored in the oil hole 13 can, the effect of facilitating lubrication is achieved.

To sum up, in the motor shaft of the connection, through setting the shaft end 4, when the shaft end 4 receives external axial impact force, the limiting block 5 at the outer side of the shaft end 4 displaces in the limiting groove 7 in the main shaft 1, the limiting spring 3 is compressed by force, so that the impact force is buffered, and the impact force is prevented from directly acting on the bearing fixedly connected with the motor shaft to cause axial dislocation, thereby achieving the purpose of good stability of the motor, through setting the button 12, when the button 12 is pressed, the slider 10 is stressed to contract the compression spring 9, the slider 10 is separated from the mounting hole 11 and completely enters the mounting groove 8, so that the blocking cover 6 moves rightwards, the shaft end 4 can be separated, thereby achieving the purpose of replacing the damaged shaft end 4 without disassembling the motor, through setting the snap spring 16, when the snap spring 16 is separated from the annular clamping groove 15, the sleeve 14 moves rightwards, namely, the lubricating oil stored in the oil hole 13 can, the effect of the lubrication of being convenient for of realization has solved current most motor shafts and has mostly been the integral type structure, and the motor operation in-process all can lead to the motor shaft to receive axial impact force because of the particularity of load characteristic, makes the axial dislocation of different degrees appear in the stator and rotor, leads to the impaired problem of equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. A connected motor shaft, comprising a main shaft (1), characterized in that: the right side of the main shaft (1) is provided with a groove (2), the inner side wall of the groove (2) is provided with four limiting grooves (7) which are positioned inside the main shaft (1), the inner cavity left side wall of the groove (2) is fixedly connected with a limiting spring (3), the inner part of the groove (2) is movably provided with shaft ends (4) one ends of which penetrate through and extend to the right side of the main shaft (1) and are fixedly connected with the right side of the limiting spring (3), the outer side of each shaft end (4) is fixedly provided with four limiting blocks (5) one ends of which extend to the inside of the limiting groove (7), the outer side of each shaft end (4) is movably provided with a blocking cover (6) positioned outside the main shaft (1), the outer side of the main shaft (1) is provided with two mounting grooves (8), and one side of each of the two mounting grooves (8) is fixedly, the utility model discloses a bearing support of a motor vehicle, including fender lid (6), the equal fixed mounting in one side that keeps off the back of the body of compression spring (9) mutually has one end to extend to inside slider (10) of mounting hole (11), two the equal movable mounting in inside of mounting hole (11) has and is located two slider (10) button (12) of one side that keeps on the back of the body mutually, oilhole (13) have been seted up in the outside of main shaft (1), the outside movable mounting of main shaft (1) has sleeve (14) that are located oilhole (13) outside, ring groove (15) that are located sleeve (14) right side have been seted up in the outside of main shaft (1), the inside fixed mounting of ring groove (15) has jump ring (16) that one end extends to the main shaft (1) outside, jump ring (16) and sleeve (14) joint.

2. A connected motor shaft according to claim 1, wherein: the limiting blocks (5) are rectangular and four, and the limiting blocks (5) are annularly distributed on the outer side of the shaft end (4).

3. A connected motor shaft according to claim 1, wherein: the blocking cover (6) is in a concave shape, and a round hole positioned on the outer side of the shaft end (4) is formed in the left side of the blocking cover (6).

4. A connected motor shaft according to claim 1, wherein: the sliding block (10) is made of iron, and the right side of the sliding block (10) is an inclined plane.

5. A connected motor shaft according to claim 1, wherein: the button (12) is I-shaped, and the top of the button (12) is wrapped with rubber.

6. A connected motor shaft according to claim 1, wherein: the clamp spring (16) is made of stainless steel, and the thickness of the clamp spring is not more than three centimeters at zero point.