CN215009798U

CN215009798U - Motor silicon steel sheet convenient to assembly

Info

Publication number: CN215009798U
Application number: CN202121269632.XU
Authority: CN
Inventors: 俞学军; 宗洋; 孙鸿军
Original assignee: Nanjing Junyi Automobile Technology Co ltd
Current assignee: Nanjing Junyi Automobile Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-03
Anticipated expiration: 2031-06-07

Abstract

The utility model provides a motor blade of silicon steel convenient to assembly relates to blade of silicon steel technical field, this motor blade of silicon steel convenient to assembly, including the blade of silicon steel body, the blade of silicon steel body is inlayed for mounting groove top inside relatively has the closure subassembly, the closure subassembly includes the closure pipe, the interior top of closure pipe is held and is used for exerting the driver part of pressure downwards, driver part's bottom is provided with flexible subassembly, the bottom of flexible subassembly extends into the inside of mounting groove, just the bottom of flexible subassembly is provided with the flexible block of block with the coaxial elasticity of closure pipe, block parcel covers the fixed column in inside. The clamping block and the locking pipe are coaxially and elastically stretched, so that the silicon steel sheet body is prevented from being damaged due to vibration, the safety of the silicon steel sheet body is improved, the deformation quantity can be absorbed, the influence caused by deformation is eliminated, and the looseness or the clamping of the connection part of the silicon steel sheet body and the motor shaft is prevented.

Description

Motor silicon steel sheet convenient to assembly

Technical Field

The utility model relates to a blade of silicon steel technical field especially relates to motor blade of silicon steel convenient to assembly.

Background

The stator and the rotor are usually formed by overlapping silicon steel sheets, the electromotive force generated after the motor is electrified has positive correlation with the number of armature winding groups arranged on the rotor part, and the more armature windings, the larger the electromotive force generated by the rotor, and the faster the rotor rotates.

Current blade of silicon steel is installed on the motor shaft through the fixed mode of block usually, and the installation degree of difficulty is big, dismantles the difficulty, and blade of silicon steel and motor shaft are connected too closely, lack the buffer space, and easy card is dead, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide the motor blade of silicon steel convenient to assembly.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: motor blade of silicon steel convenient to assembly, including the blade of silicon steel body, the motor shaft is worn to be equipped with in the inside of blade of silicon steel body, the surface array distribution of motor shaft has the fixed column, the mounting groove that is used for acceping the fixed column is offered for the surface of fixed column to the blade of silicon steel body, the blade of silicon steel body is inlayed for mounting groove top inside for the locking subassembly, the locking subassembly includes the closure pipe, the drive part that is used for exerting pressure downwards is held to the interior top of closure pipe, drive part's bottom is provided with flexible subassembly, the bottom of flexible subassembly extends into the inside of mounting groove, just the bottom of flexible subassembly is provided with the block with the coaxial elastic expansion of closure pipe, block parcel covers fixed column in inside.

Furthermore, the locking assemblies are distributed on the surface of the silicon steel sheet body in an array mode, and the number of the locking assemblies is not less than three.

Further, the drive part comprises relative slip's last slider and lower slider, the inner wall radial slip of last slider along the locking pipe drives the inner wall axial lift of lower slider along the locking pipe.

Furthermore, one side of the lower slider, which is close to the locking pipe, is fixedly connected with a limiting slider, a limiting sliding groove is formed in the inner wall of the locking pipe, which is opposite to the limiting slider, and the limiting slider is matched with the limiting sliding groove.

Further, the top shoe and the interior top surface sliding connection of closure pipe, the spacing groove has been seted up to the inside of top shoe, the spacing inslot internal rotation is connected with the stopper, the bull stick is worn to be equipped with by one side screw thread of closure pipe, the end of bull stick extends into the inside of spacing groove, and the end and the stopper fixed connection of bull stick.

Further, flexible subassembly is including being fixed in the fall way of lower slider bottom surface, the inside of fall way has held the inserted bar, the locking pipe just is run through to the bottom of inserted bar the bottom fixed connection block of inserted bar, the outside cover of inserted bar is equipped with reset spring, reset spring's both ends respectively with the bottom of fall way and the interior bottom fixed connection of locking pipe.

Furthermore, the bottom surface of the clamping block is provided with bulges which are distributed in an array.

Furthermore, the surface of motor shaft has seted up the constant head tank, the spring groove has been seted up on the surface that the blade of silicon steel body is relative with the constant head tank, spring inslot portion holds and is used for the locating component with constant head tank looks block.

Furthermore, the constant head tank distributes along the surface array of motor shaft, the quantity of constant head tank is no less than three.

Furthermore, locating component is including being fixed in the spacing spring of spring inslot top surface, the bottom surface of spacing spring is fixed with the ball, the bottom of ball extends into the inside of positioning groove.

The utility model has the advantages that:

the utility model utilizes the matching of the clamping block and the fixed column to play a fixing effect on the fixed column, so that the clamping block can lift in the mounting groove, the fixed column and the clamping block are more convenient to mount and dismount, and the time is saved; meanwhile, the clamping block and the locking pipe are coaxially and elastically stretched, so that the clamping block has a damping function, the silicon steel sheet body is prevented from being damaged due to vibration, and the safety of the silicon steel sheet body is improved; when the silicon steel sheet body receives expend with heat and contract with cold, can absorb the deformation volume, eliminate the influence that deformation brought, also prevent that the junction of silicon steel sheet body and motor shaft is not hard up or the card is dead, and then leads to unable dismantlement, has improved the practicality of silicon steel sheet body.

Drawings

FIG. 1 is a schematic cross-sectional view of a silicon steel sheet of an electric machine according to the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at C in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 10. a silicon steel sheet body; 11. mounting grooves; 12. a spring slot; 20. a motor shaft; 21. fixing a column; 22. positioning a groove; 30. a locking assembly; 31. a clamping block; 32. locking the tube; 33. a drive member; 331. an upper slide block; 332. a lower slide block; 3321. a limiting slide block; 3322. a limiting chute; 333. a limiting groove; 334. a limiting block; 335. a rotating rod; 34. a telescoping assembly; 341. inserting a rod; 342. a return spring; 343. a lifting pipe; 40. a positioning assembly; 41. a limiting spring; 42. and a ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

Referring to fig. 1 and 2, the electric motor silicon steel sheet convenient to assemble in the present embodiment includes a silicon steel sheet body 10, a motor shaft 20 penetrates through the silicon steel sheet body 10, fixing columns 21 are distributed on an outer surface array of the motor shaft 20, and an installation groove 11 for accommodating the fixing columns 21 is formed on a surface of the silicon steel sheet body 10 opposite to the fixing columns 21; the silicon steel sheet body 10 is embedded with a locking component 30 relative to the upper part of the installation groove 11, the locking component 30 comprises a locking pipe 32, the inner top end of the locking pipe 32 is used for accommodating a driving part 33 used for applying pressure downwards, the bottom end of the driving part 33 is provided with a telescopic component 34, the bottom end of the telescopic component 34 extends into the installation groove 11, the bottom end of the telescopic component 34 is provided with a clamping block 31 which is coaxial with the locking pipe 32 and elastically telescopic, and the clamping block 31 covers the fixing column 21 inside in a wrapping mode.

When the motor shaft 20 is required to be installed inside the silicon steel sheet body 10, the clamping block 31 is matched with the fixing column 21, the fixing column 21 is wrapped inside by the clamping block 31, the fixing column 21 is fixed, the driving part 33 is installed, the clamping block 31 can lift inside the installation groove 11, the fixing column 21 and the clamping block 31 are more convenient to install and detach, and time is saved; meanwhile, the clamping block 31 and the locking tube 32 are coaxially and elastically stretched, so that the clamping block 31 has a damping function, the silicon steel sheet body 10 is prevented from being damaged due to vibration, and the safety of the silicon steel sheet body 10 is improved; when the silicon steel sheet body 10 is expanded with heat and contracted with cold, the deformation quantity can be absorbed, the influence caused by the deformation is eliminated, the connection part of the silicon steel sheet body 10 and the motor shaft 20 is prevented from being loosened or blocked, the disassembly is further prevented, and the practicability of the silicon steel sheet body 10 is improved.

Referring to fig. 1, the locking elements 30 are distributed on the surface of the silicon steel sheet body 10 in an array, and the number of the locking elements 30 is not less than three.

When in use, the tightness of the locking between the motor shaft 20 and the silicon steel sheet body 10 can be increased by arranging a plurality of locking components 30.

Referring to fig. 2, the driving unit 33 is composed of an upper slider 331 and a lower slider 332 which slide relative to each other, and the upper slider 331 slides radially along the inner wall of the lock tube 32 to drive the lower slider 332 to move up and down axially along the inner wall of the lock tube 32.

When the locking device is used, the upper slide block 331 pushes the lower slide block 332 to move downwards, and downward pressure is applied, so that the lower slide block 332 pushes the telescopic component 34 and the clamping block 31 fixed at the bottom end of the telescopic component 34 to move downwards along the axial direction of the inner wall of the locking tube 32.

Referring to fig. 2, a limiting sliding block 3321 is fixedly connected to one side of the lower sliding block 332 close to the locking tube 32, a limiting sliding groove 3322 is formed in the inner wall of the locking tube 32 corresponding to the limiting sliding block 3321, and the limiting sliding block 3321 is matched with the limiting sliding groove 3322.

When the locking device is used, the limiting sliding block 3321 is matched with the limiting sliding groove 3322, so that the limiting sliding block 3321 slides along the inside of the limiting sliding groove 3322, the limiting effect is formed on the lower sliding block 332, and the lower sliding block 332 axially slides along the inside of the locking tube 32.

Referring to fig. 2 and 3, the upper slider 331 is slidably connected to the inner top surface of the locking tube 32, a limiting groove 333 is formed in the upper slider 331, a limiting block 334 is rotatably connected in the limiting groove 333, a rotating rod 335 is threaded through one side of the locking tube 32, the end of the rotating rod 335 extends into the limiting groove 333, and the end of the rotating rod 335 is fixedly connected to the limiting block 334.

When the locking device is used, the rotating rod 335 is rotated to drive the limiting block 334 to rotate in the limiting groove 333, and under the action of the meshing force of the threads, the limiting block 334 pushes the upper sliding block 331 to slide along the inner top surface of the locking tube 32, so that the upper sliding block 331 pushes the lower sliding block 332 to lift along the axial direction of the locking tube 32 to apply downward pressure.

Referring to fig. 3, the telescopic assembly 34 includes a lifting tube 343 fixed to the bottom surface of the lower slider 332, an insertion rod 341 is accommodated inside the lifting tube 343, the bottom end of the insertion rod 341 penetrates through the locking tube 32 and the bottom end of the insertion rod 341 is fixedly connected to the engaging block 31, a return spring 342 is sleeved outside the insertion rod 341, and two ends of the return spring 342 are respectively fixedly connected to the bottom end of the lifting tube 343 and the inner bottom surface of the locking tube 32.

During the use, when the lower slider 332 moves downwards, the lower slider 332 drives the lifting tube 343 to move downwards, the lifting tube 343 pushes the return spring 342 to gradually contract, and after the insertion rod 341 abuts against the inner top end of the lifting tube 343, the lifting tube 343 pushes the clamping block 31 to move downwards through the insertion rod 341 until the clamping block 31 abuts against the top end of the fixed column 21.

Referring to fig. 2, the bottom surface of the engaging block 31 is provided with protrusions, and the protrusions are distributed in an array.

When the clamping block is used, the bottom surface of the clamping block 31 is provided with the bulge, the contact area between the bulge and the surface of the fixed column 21 is increased, and the tightness between the clamping block 31 and the fixed column 21 is improved.

Referring to fig. 1 and 4, a positioning groove 22 is formed on a surface of the motor shaft 20, a spring groove 12 is formed on a surface of the silicon steel sheet body 10 opposite to the positioning groove 22, and a positioning element 40 for engaging with the positioning groove 22 is accommodated in the spring groove 12.

When the motor shaft 20 is required to be installed inside the silicon steel sheet body 10, the positioning groove 22 is engaged with the positioning component 40 to increase the connection tightness between the positioning groove 22 and the positioning component 40, and the motor shaft 20 can play a positioning role when the locking component 30 is used to lock and fix the silicon steel sheet body 10 and the motor shaft 20 by adding the positioning component 40.

Referring to fig. 1, the detents 22 are arrayed along the surface of the motor shaft 20, and the number of the detents 22 is not less than three.

When in use, the positioning grooves 22 and the positioning components 40 are disposed to increase the firmness of the connection between the motor shaft 20 and the silicon steel sheet body 10.

Referring to fig. 4, the positioning assembly 40 includes a position limiting spring 41 fixed to an inner top surface of the spring groove 12, and a ball 42 is fixed to a bottom surface of the position limiting spring 41, and a bottom end of the ball 42 extends into the inside of the positioning groove 22.

When the motor shaft 20 is used, the motor shaft 20 moves towards the inside of the silicon steel sheet body 10, at the moment, the ball 42 slides along the surface of the motor shaft 20, until the ball 42 is aligned with the inside of the positioning slot 22, the limiting spring 41 which is originally in a compressed state is not stressed any more, the ball 42 is pushed to extend into the inside of the positioning slot 22, at the moment, the ball 42 is clamped with the positioning slot 22, when the motor shaft 20 is locked and fixed with the silicon steel sheet body 10, the positioning effect is achieved, and at the moment, the locking assembly 30 is used for locking the silicon steel sheet body 10 and the motor shaft 20 together.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Motor blade of silicon steel convenient to assembly, including blade of silicon steel body (10), motor shaft (20) are worn to be equipped with in the inside of blade of silicon steel body (10), the surface array distribution of motor shaft (20) has fixed column (21), mounting groove (11) that are used for acceping fixed column (21), its characterized in that are offered for the surface of fixed column (21) in blade of silicon steel body (10): the silicon steel sheet body (10) is inlayed for mounting groove (11) top inside and is had locking subassembly (30), locking subassembly (30) are including locking pipe (32), the drive part (33) that are used for exerting pressure downwards are held to the interior top of locking pipe (32), the bottom of drive part (33) is provided with flexible subassembly (34), the bottom of flexible subassembly (34) extends into the inside of mounting groove (11), just the bottom of flexible subassembly (34) is provided with the flexible block (31) of the coaxial elasticity of locking pipe (32), block (31) parcel covers fixed column (21) in inside.

2. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 1 wherein: the locking assemblies (30) are distributed on the surface of the silicon steel sheet body (10) in an array mode, and the number of the locking assemblies (30) is not less than three.

3. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 1 wherein: the driving part (33) is composed of an upper sliding block (331) and a lower sliding block (332) which slide relatively, the upper sliding block (331) slides along the radial direction of the inner wall of the locking pipe (32) to drive the lower sliding block (332) to lift along the axial direction of the inner wall of the locking pipe (32).

4. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 3 wherein: one side of the lower sliding block (332), which is close to the locking pipe (32), is fixedly connected with a limiting sliding block (3321), the locking pipe (32) is provided with a limiting sliding groove (3322) relative to the inner wall of the limiting sliding block (3321), and the limiting sliding block (3321) is matched with the limiting sliding groove (3322).

5. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 3 wherein: the interior top surface sliding connection of slider (331) and closure pipe (32) goes up, spacing groove (333) have been seted up to the inside of slider (331), spacing groove (333) internal rotation is connected with stopper (334), bull stick (335) are worn to be equipped with by one side screw thread of closure pipe (32), the end of bull stick (335) extends into the inside of spacing groove (333), and the end and stopper (334) fixed connection of bull stick (335).

6. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 3 wherein: the telescopic assembly (34) comprises a lifting pipe (343) fixed to the bottom surface of a lower sliding block (332), an insertion rod (341) is accommodated inside the lifting pipe (343), the bottom end of the insertion rod (341) penetrates through a locking pipe (32) and a bottom end fixed connection clamping block (31) of the insertion rod (341), a return spring (342) is sleeved outside the insertion rod (341), and two ends of the return spring (342) are respectively fixedly connected with the bottom end of the lifting pipe (343) and the inner bottom surface of the locking pipe (32).

7. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 6 wherein: the bottom surface of the clamping block (31) is provided with bulges which are distributed in an array.

8. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 2 wherein: positioning grooves (22) are formed in the surface of the motor shaft (20), spring grooves (12) are formed in the surface, opposite to the positioning grooves (22), of the silicon steel sheet body (10), and positioning components (40) clamped with the positioning grooves (22) are contained in the spring grooves (12).

9. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 8 wherein: the positioning grooves (22) are distributed along the surface of the motor shaft (20) in an array mode, and the number of the positioning grooves (22) is not less than three.

10. An electrical machine silicon steel sheet for ease of assembly as claimed in claim 9 wherein: the positioning assembly (40) comprises a limiting spring (41) fixed on the inner top surface of the spring groove (12), a ball (42) is fixed on the bottom surface of the limiting spring (41), and the bottom end of the ball (42) extends into the positioning groove (22).