CN218976431U

CN218976431U - Motor stator fixing assembly

Info

Publication number: CN218976431U
Application number: CN202222825196.0U
Authority: CN
Inventors: 钟丽
Original assignee: Nanjing Huilan Environmental Protection Equipment Co ltd
Current assignee: Nanjing Huilan Environmental Protection Equipment Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-05
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the technical field of motors, in particular to a motor stator fixing assembly, which comprises: the annular fixing plate is internally provided with a motor stator, and the outer side of the annular fixing plate is provided with a clamping groove; the positioning plate is positioned inside the annular fixed plate, the bottom of the positioning plate is provided with an elastic sheet, a movable groove is formed in the positioning plate, a spring is arranged in the movable groove, a push plate is arranged outside the spring, and a clamping block is arranged at the bottom of the push plate; the moving groove is positioned at the upper end of the positioning plate, and a moving strip is arranged in the moving groove; the beneficial effects are as follows: the locating plate through setting up replaces the locating lever, improves the area of contact with annular fixed plate and motor stator, improves the location effect, through fixture block and draw-in groove that set up, can fix a position the locating plate after inserting annular fixed plate and motor stator.

Description

Motor stator fixing assembly

Technical Field

The utility model relates to the technical field of motors, in particular to a motor stator fixing assembly.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and comprises a permanent magnet motor, a brushless direct current motor, an asynchronous motor and the like, wherein the motor is composed of a stator, a rotor and other components, and the stator is generally directly fixed in a motor shell, so that a special fixing structure is required to be arranged in the motor shell, the structure of the motor shell becomes complex, the complexity of a production process of the motor shell is increased, and the production cost of the motor shell is increased; the stator is fixed inside the motor, and does not have certain heat dissipation channel, and the stator is because the coil winding circular telegram on it generates heat, consequently the stator can produce heat generally, if the heat is not timely outside the discharge motor, can make the stator heat higher and higher in the past for a long time to make the outer insulating varnish damage of coil, thereby easily cause the accident that the motor burns out, motor life is short.

The prior Chinese patent document with the authorized publication number of CN208904801U and the publication date of 20190524 discloses a fixing device for a brushless motor stator, wherein an inner annular fixing plate is positioned in a motor shell through a limiting insert, the annular fixing plate is fixed in the motor shell through a positioning screw, and the motor stator is fixed in the annular fixing plate through a positioning rod and a heat dissipation plate, so that the stator is simpler and faster to install and fix, the fixing device has simple structure, simple production process and low cost; the heat radiation plate, the aluminum annular fixing plate and the heat conduction silica gel layer all have the heat transfer function, so that heat generated by the stator can be quickly transferred to the outside of the motor, the stator is timely untrimmed, the motor is long in operation life and not easy to burn out, and the heat conduction silica gel layer also has the buffering performance, so that the stator is not easy to damage due to external force in the motor, and the motor is more stable and safe in operation.

Above-mentioned scheme is fixed a position annular fixed plate and motor stator through the locating lever cooperation heating panel that sets up, but its inside fixed knot to the locating lever constructs for the locating lever appears dropping easily after inserting annular fixed plate and motor stator, and then leads to unable locating action to annular fixed plate and motor stator, influences follow-up installation and use, needs to be further improved and optimized.

Disclosure of Invention

The utility model aims to provide a motor stator fixing assembly, which solves the problem that the prior proposal provided in the background art has no fixing structure for a positioning rod.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a motor stator securing assembly, the motor stator securing assembly comprising:

the annular fixing plate is internally provided with a motor stator, and the outer side of the annular fixing plate is provided with a clamping groove;

the positioning plate is positioned inside the annular fixed plate, the bottom of the positioning plate is provided with an elastic sheet, a movable groove is formed in the positioning plate, a spring is arranged in the movable groove, a push plate is arranged outside the spring, and a clamping block is arranged at the bottom of the push plate;

the groove is moved, moves the groove and is located the locating plate upper end, moves the inslot portion and is provided with the strip that moves, moves the strip upper end and is provided with the pinch groove.

Preferably, four groups of positioning plates are arranged on the outer side of the annular fixing plate, and positioning holes are formed in the annular fixing plate and the inner part of the motor stator corresponding to the positioning plates.

Preferably, the bottom of the positioning plate is fixedly connected with two groups of elastic pieces, and the elastic pieces are arranged into an N-shaped strip structure.

Preferably, the locating plates are internally provided with movable grooves, and springs are movably arranged in the movable grooves.

Preferably, the spring outside both ends equal fixed connection push pedal, the push pedal sets up to have elastic metal strip, and the push pedal bottom runs through the locating plate and extends to the outside, and the annular fixed plate outside all corresponds the push pedal and is provided with the draw-in groove, and the push pedal bottom all runs through to the draw-in groove in.

Preferably, the clamping blocks are fixedly connected to the outer sides of the bottoms of the pushing plates, and the outer side ends of the clamping blocks are inclined planes.

Preferably, the locating plate top corresponds the push pedal and is provided with two sets of grooves that move, moves the groove bottom and all communicates the movable groove, moves the inslot portion and all is provided with and moves the strip, moves the equal fixed connection push pedal in strip bottom, holds between the fingers the groove and sets up to arc strip groove.

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

the utility model mainly improves and optimizes case CN208904801U, namely, the locating plate replaces a locating rod, the contact area between the locating plate and the annular fixed plate and the motor stator is increased, the locating effect is improved, the locating plate can be located after the annular fixed plate and the motor stator are inserted through the clamping blocks and the clamping grooves, the situation that the locating plate falls off after the annular fixed plate and the motor stator are inserted is avoided, the annular fixed plate and the motor stator cannot be located is avoided, the locating plate can be conveniently taken out from the locating hole of the annular fixed plate through the arranged moving strip, and the locating plate can be pushed outwards when taken out through the arranged elastic sheet, so that the locating plate is conveniently taken out.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: the device comprises an annular fixing plate 1, a motor stator 2, a clamping groove 3, a positioning plate 4, a spring piece 5, a movable groove 6, a spring 7, a push plate 8, a clamping block 9, a moving groove 10, a moving bar 11 and a pinching groove 12.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

Example 1

Referring to fig. 1 to 3, the present utility model provides a technical solution: a motor stator securing assembly, the motor stator securing assembly comprising: the motor comprises an annular fixed plate 1, wherein a motor stator 2 is arranged in the annular fixed plate 1, and a clamping groove 3 is formed in the outer side of the annular fixed plate 1; the positioning plate 4 is positioned inside the annular fixed plate 1, the bottom of the positioning plate 4 is provided with a spring piece 5, the inside of the positioning plate 4 is provided with a movable groove 6, the inside of the movable groove 6 is provided with a spring 7, the outer side of the spring 7 is provided with a push plate 8, and the bottom of the push plate 8 is provided with a clamping block 9; the movable groove 10, the movable groove 10 is located the locating plate 4 upper end, and the inside of movable groove 10 is provided with moves strip 11, moves strip 11 upper end and is provided with pinching groove 12.

Example two

On the basis of the second embodiment, four groups of positioning plates 4 are arranged on the outer side of the annular fixing plate 1, positioning holes are formed in the annular fixing plate 1 and the inner portion of the motor stator 2, which correspond to the positioning plates 4, two groups of elastic pieces 5 are fixedly connected to the bottom of the positioning plates 4, the elastic pieces 5 are of an N-shaped strip structure, and the contact area can be increased through the arranged positioning plates 4.

Example III

On the basis of embodiment two, all be provided with movable groove 6 in the locating plate 4, the inside activity of movable groove 6 is provided with spring 7, the equal fixed connection push pedal 8 in spring 7 outside both ends, push pedal 8 set up to have elastic metal strip, push pedal 8 bottom runs through locating plate 4 and extends to the outside, annular fixed plate 1 outside all corresponds push pedal 8 and is provided with draw-in groove 3, push pedal 8 bottom all runs through to draw-in groove 3 in, can carry out spacingly to locating plate 4 through fixture block 9 that sets up.

Example IV

On the basis of embodiment III, the equal fixedly connected with fixture block 9 in the push pedal 8 bottom outside, fixture block 9 outside end all sets up to the inclined plane, and locating plate 4 top corresponds push pedal 8 and is provided with two sets of groove 10 that move, moves groove 10 bottom and all communicates movable groove 6, moves the inside strip 11 that all is provided with of groove 10, moves the equal fixedly connected push pedal 8 in strip 11 bottom, holds between the fingers groove 12 and sets up to arc strip groove, holds between the fingers groove 12 through setting up, can be convenient for move strip 11.

When the positioning plate 4 is disassembled, fingers are firstly placed on the two groups of pinching grooves 12, the two groups of moving bars 11 are pinched inwards, the moving bars 11 drive the push plate 8 to move inwards, the push plate 8 drives the clamping block 9 to move, the positioning plate 4 is not limited any more, and meanwhile, the elastic sheet 5 pushes the positioning plate 4 to move upwards through self elasticity, so that the positioning plate 4 can be taken out; during installation, the locating hole of the locating plate 4 bottom counter-rotating annular fixed plate 1 is inserted, when the inclined surface of the bottom of the clamping block 9 contacts with the outer side of the annular fixed plate 1, the clamping block 9 pushes the push plate 8 inwards, so that the push plate 8 is bent, when the clamping block 9 completely enters the clamping groove 3, the push plate 8 is reset, and the locating plate 4 is fixed through the clamping block 9.

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

Claims

1. A motor stator fixing assembly, characterized in that: the motor stator fixing assembly includes:

the motor comprises an annular fixing plate (1), wherein a motor stator (2) is arranged inside the annular fixing plate (1), and a clamping groove (3) is formed in the outer side of the annular fixing plate (1);

the positioning plate (4), positioning plate (4) are located inside annular fixed plate (1), shell fragment (5) is provided with in positioning plate (4) bottom, and positioning plate (4) inside is provided with movable groove (6), and movable groove (6) inside is provided with spring (7), and the spring (7) outside is provided with push pedal (8), and push pedal (8) bottom is provided with fixture block (9);

the movable groove (10), the movable groove (10) is located locating plate (4) upper end, moves inside being provided with of groove (10) and moves strip (11), moves strip (11) upper end and is provided with pinching groove (12).

2. A motor stator mounting assembly in accordance with claim 1 wherein: four groups of positioning plates (4) are arranged on the outer side of the annular fixing plate (1), and positioning holes are formed in the annular fixing plate (1) and the inner portion of the motor stator (2) corresponding to the positioning plates (4).

3. A motor stator mounting assembly in accordance with claim 2 wherein: two groups of elastic pieces (5) are fixedly connected to the bottom of the positioning plate (4), and the elastic pieces (5) are of an N-shaped strip structure.

4. A motor stator mounting assembly in accordance with claim 3 wherein: the locating plate (4) is internally provided with movable grooves (6), and springs (7) are movably arranged in the movable grooves (6).

5. A motor stator mounting assembly in accordance with claim 4 wherein: the spring (7) outside both ends equal fixed connection push pedal (8), push pedal (8) set up to have elastic metal strip, and push pedal (8) bottom runs through locating plate (4) and extends to the outside, and annular fixed plate (1) outside all corresponds push pedal (8) and is provided with draw-in groove (3), and push pedal (8) bottom all runs through to in draw-in groove (3).

6. A motor stator mounting assembly in accordance with claim 5 wherein: clamping blocks (9) are fixedly connected to the outer sides of the bottoms of the pushing plates (8), and inclined planes are formed at the outer side ends of the clamping blocks (9).

7. A motor stator securing assembly as set forth in claim 6 wherein: the locating plate (4) top corresponds push pedal (8) and is provided with two sets of groove (10) that move, moves groove (10) bottom and all communicates movable groove (6), moves groove (10) inside and all is provided with moves strip (11), moves equal fixed connection push pedal (8) in strip (11) bottom, holds between the fingers groove (12) and sets up to arc strip groove.