CN220797913U - Internally wound stator for lifting motor - Google Patents

Abstract

The utility model relates to the field of lifting motors, in particular to an inner winding type stator for a lifting motor, which comprises a reversing speed reducer, a stator core and a rotor, wherein an upper protecting shell is arranged above the stator core, a sub-shell is arranged at the bottom of the upper protecting shell, a spring piece is arranged at the inner side of a mounting groove, a clamping block is arranged at one side of the spring piece, a lower protecting shell is arranged at the bottom of the stator core, a female shell is arranged at the top of the lower protecting shell, fixing blocks are arranged at two sides of the female shell, and clamping grooves are formed in the fixing blocks.

Description

Internally wound stator for lifting motor

Technical Field

The utility model relates to the field of lifting motors, in particular to an inner winding type stator for a lifting motor.

Background

Modern running machine, reluctance type body-building scooter, board lift drive part, the lift motor of general adoption is alternating current motor, with alternating current motor's high rotational speed low torque after the reduction of speed reducing box, convert into the power take off of required low rotational speed big torque, again by the lead screw with power take off conversion rectilinear motion, interior winding formula lift motor stator process only winds, the bonding wire, the ligature detects to a great extent and has reduced production process and has reduced the production personnel, production efficiency is unchangeable under the prerequisite of reducing the production personnel, has promoted stator production efficiency greatly.

The applicant found that the following problems exist in practical use:

the existing inner winding type stator is characterized in that a protective shell is sleeved outside before winding a coil, the utilization rate of mechanical equipment for producing a motor stator is improved, the embedded wire is reduced, the wire is pre-arranged, the motor enameled wire is damaged or broken by pulling, the coil winding convenience is improved, an inner stator core is protected, the service life of the stator core is prolonged, most of the stator core is fixed in an inserting mode at present by utilizing the friction force between a stator groove in the stator core and a protective shell when the protective shell is installed, the splicing mode is unstable, the protective shell is easily pressed and deformed when the coil is wound in the stator groove, and the production precision of the stator is reduced.

Therefore, it is necessary to provide an inner winding stator for a lift motor to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the technical problems that the traditional splicing mode is unstable, when coils are wound in stator slots, the situation of position deviation caused by pressing deformation of a protective shell is easy to happen, and the inner winding type stator for the lifting motor is provided for overcoming the defects in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a lift motor is with interior around stator, includes switching-over reduction gear, stator core and rotor, stator core's top is provided with the protecting crust, the bottom of going up the protecting crust is provided with the son cover shell, the mounting groove has all been seted up to the both sides of son cover shell, the inboard of mounting groove is provided with the spring leaf, one side of spring leaf is provided with the fixture block, stator core's bottom is provided with the protecting crust down, the top of protecting crust is provided with female cover shell down, the both sides of female cover shell all are provided with the fixed block, the draw-in groove has been seted up to the inside of fixed block, draw-in groove and fixture block looks block.

Through adopting above-mentioned technical scheme, utilize the elastic force and the draw-in groove looks block of spring leaf, be favorable to promoting the mounting stability of son cover shell and female cover shell, when winding the coil, be favorable to promoting the structural strength of son cover shell and female cover shell, prevent to lead to son cover shell and female cover shell to take place deformation displacement because of the clamp force of coil.

Further, the surface of the clamping block is in an arc-shaped structure, and the upper side and the lower side of the clamping groove are both in inclined planes.

Through adopting above-mentioned technical scheme, set up the fixture block into the cambered surface, be favorable to utilizing the inner wall of female sleeve shell to support the cambered surface of fixture block and press, through the deformability characteristic of spring leaf, be favorable to improving the grafting convenience of son sleeve shell and female sleeve shell.

Further set up, a plurality of stator grooves have been seted up to stator core's inside, stator groove and female sleeve shell looks adaptation, female sleeve shell is pegged graft mutually with the son sleeve shell, and is a plurality of the inside in stator groove all is provided with spacing shell, the bottom and the lower protection shell looks grafting block of spacing shell, the top and the last protection shell looks grafting block of spacing shell.

By adopting the technical scheme, the inner winding type lifting motor stator directly winds the wire into the stator groove of the motor by using the inner winding machine, the winding force is uniform, the winding wire in the stator groove is uniformly distributed in the stator wire groove in a winding way, the enameled wires are arranged completely, and cross confusion is avoided, so that damage and breaking of enamelling do not occur in the manufacturing process, the situation of inter-turn is avoided, the female shell at the top of the lower protective shell is inserted into the stator groove, and then the sub shell is spliced into the female shell, so that the protection of the sub shell and the female shell to the stator core is facilitated; the limiting shell is spliced with the upper protecting shell and the lower protecting shell, so that the integral structural tightness of the motor is improved, the mounting efficiency of the limiting shell is improved, and meanwhile, the production efficiency of the motor is improved.

Further, a plurality of stator slots are distributed in an equidistant annular mode along the central axis of the stator core, and the stator sleeve shell, the stator slots and the mother sleeve shell are vertically opposite.

Through adopting above-mentioned technical scheme, the inside insulation of interior around lift motor stator is done to whole, and whole around the frame is all wrapped up the place that the stator core is probably contacted with the enameled wire, and the line post is added on the line frame and is isolated the main winding with vice winding effectually, effectually avoids the stator to produce the condition that the machine was worn and turn to turn, utilizes the setting of a plurality of stator grooves, is favorable to improving the installation strength of stator concatenation to improve the windable coil quantity of stator, promote the different production demand implementation of stator.

The reversing speed reducer is characterized in that a bottom cover is arranged on one side of the top of the reversing speed reducer, a top cover is arranged on the top of the upper protective shell, and the top cover and the bottom cover are fixedly connected through bolts.

Through adopting above-mentioned technical scheme, utilize top cap, bottom to limit stator core, go up protecting crust and lower protecting crust to make rotor and top cap, bottom rotate through the bearing and be connected, in order to accomplish the assembly operation to the motor.

The reversing speed reducer is characterized in that a screw shell is arranged on the other side of the top of the reversing speed reducer, a screw is arranged in the screw shell, a baffle is arranged on the inner side of the upper protective shell, and two sides of the top of the baffle are arranged in an arc-shaped structure.

Through adopting above-mentioned technical scheme, through reversing the high rotational speed low torque of reduction gear with the motor after slowing down, convert the power take off of required low rotational speed high torque into, turn into rectilinear motion with power take off by the screw rod again, realize the effect of going up and down to the external world.

The spring piece is further provided with a limiting block at the other side, and the outer surface of the limiting block is inclined.

Through adopting above-mentioned technical scheme, when winding the coil with the inside of stator groove, utilize the pressure of coil to the stopper, be favorable to promoting fixture block and draw-in groove further promote joint intensity, can adopt the winding form of dispersion, further improve the joint compactness of son cover shell and female cover shell to disperse the closing force of coil.

Compared with the related art, the inner winding type stator for the lift motor has the following beneficial effects:

the utility model provides an internally wound stator for a lifting motor, which comprises a clamping block and a clamping groove, wherein a female sleeve shell at the top of a lower protective shell is firstly inserted into the stator groove, then the sub sleeve shell of an upper protective shell is vertically opposite to the stator groove, the sub sleeve shell gradually stretches into the stator groove, the inner wall of the female sleeve shell is utilized to press a spring leaf along with the gradual stretching, and meanwhile, the sub sleeve shell and the female sleeve shell are spliced until the clamping block on the spring leaf is clamped with the clamping groove by utilizing the elastic force of the spring leaf, so that the installation stability of the sub sleeve shell and the female sleeve shell is improved, the structural strength of the sub sleeve shell and the female sleeve is improved when a coil is wound, the deformation displacement of the sub sleeve shell and the female sleeve shell caused by the compression force of the coil is prevented, and the enameled wire is wound into the stator groove by a winding machine only in the whole manufacturing process of the internally wound lifting motor stator, so that the equipment rate in production is reduced, a wire embedding wire is reduced, a pre-finishing wire is utilized, an important procedure of damaging or pulling the enameled wire is avoided, the enameled wire is finished, the production efficiency is improved, the production precision of the enameled wire is possibly is improved, and the production precision is improved, and the performance is improved.

The utility model provides an inner winding type stator for a lifting motor, which is characterized in that a limiting block is arranged, when a coil is wound in a stator groove, the pressing force of the coil to the limiting block is utilized, so that the clamping block and a clamping groove are facilitated to further improve the clamping strength, the clamping tightness of a sub-sleeve shell and a female sleeve shell can be further improved in a scattered winding mode, the pressing force of the coil is dispersed, and the installation practicability of the stator is improved.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an inner winding stator for a lift motor according to the present utility model;

FIG. 2 is a schematic diagram of an exploded perspective view of the present utility model;

FIG. 3 is a schematic perspective view of the upper protective shell of the present utility model;

FIG. 4 is a schematic perspective view of the lower protective shell of the present utility model;

FIG. 5 is a schematic perspective view of a spring plate according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a female housing of the present utility model;

fig. 7 is a schematic view of the structure of the limiting shell of the present utility model.

In the figure: 1. a reversing speed reducer; 2. a stator core; 201. a stator groove; 3. a top cover; 4. a bottom cover; 5. a screw housing; 6. a screw; 7. a lower protective shell; 701. a female sleeve; 702. a fixed block; 703. a clamping groove; 8. a rotor; 9. an upper protective shell; 901. a baffle; 902. a sub-sleeve; 903. a mounting groove; 904. a spring piece; 905. a limiting block; 906. a clamping block; 10. and a limiting shell.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

Embodiment one:

as shown in fig. 1-6, the inner winding type stator for a lift motor comprises a reversing speed reducer 1, a stator core 2 and a rotor 8, wherein an upper protective shell 9 is arranged above the stator core 2, a sub-shell 902 is arranged at the bottom of the upper protective shell 9, mounting grooves 903 are formed in two sides of the sub-shell 902, a spring piece 904 is arranged on the inner side of the mounting groove 903, a clamping block 906 is arranged on one side of the spring piece 904, a lower protective shell 7 is arranged at the bottom of the stator core 2, a female shell 701 is arranged on the top of the lower protective shell 7, fixing blocks 702 are arranged on two sides of the female shell 701, clamping grooves 703 are formed in the fixing blocks 702, the clamping grooves 703 are clamped with clamping blocks 906, the elastic force of the spring pieces 904 are used for clamping the clamping grooves 703, so that the mounting stability of the sub-shell 902 and the female shell 701 is improved, the structural strength of the sub-shell 902 and the female shell 701 is prevented from deforming and displacing due to the pressing force of the coil, and the production precision of the stator 701 is improved when the coil is wound.

Referring to fig. 3, fig. 4, fig. 5 and fig. 6, the surface of the clamping block 906 is in an arc structure, the upper side and the lower side of the clamping groove 703 are all in inclined planes, so that the inner wall of the female sleeve 701 is beneficial to pressing the cambered surface of the clamping block 906, and the plugging convenience of the sub sleeve 902 and the female sleeve 701 is beneficial to improvement and the production efficiency of the stator is improved through the deformable characteristic of the spring piece 904.

Embodiment two:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 6, fig. 7, on the basis of the first embodiment, the present utility model provides a technical solution: a plurality of stator slots 201 are formed in the stator core 2, the stator slots 201 are matched with the female sleeves 701, the female sleeves 701 are inserted into the sub sleeves 902, limiting shells 10 are arranged in the stator slots 201, the bottoms of the limiting shells 10 are inserted into and clamped with the lower protecting shells 7, the tops of the limiting shells 10 are inserted into and clamped with the upper protecting shells 9, the female sleeves 701 at the tops of the lower protecting shells 7 are inserted into the stator slots 201, and then the sub sleeves 902 are inserted into the female sleeves 701, so that the protection performance of the sub sleeves 902 and the female sleeves 701 on the stator core 2 is improved, and the connection tightness of the stator core 2 is improved; the limiting shell 10 is spliced with the upper protecting shell 9 and the lower protecting shell 7, so that the integral structural tightness of the motor is improved, the installation efficiency of the limiting shell 10 is improved, and the protection of the stator core 2 is further enhanced.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, a plurality of stator slots 201 are distributed in an equidistant annular manner along the central axis of the stator core 2, and the sub-sleeve shell 902, the stator slots 201 and the mother sleeve shell 701 are vertically opposite, so that the installation strength of stator splicing is improved, the number of coils which can be wound on the stator is increased, the different production requirements of the stator are improved, and the assembly convenience of the stator is improved.

Referring to fig. 1, 2, 3 and 4, a bottom cover 4 is arranged on one side of the top of the reversing speed reducer 1, a top cover 3 is arranged on the top of an upper protective shell 9, the top cover 3 and the bottom cover 4 are fixedly connected through bolts, the top cover 3 and the bottom cover 4 are utilized to limit a stator core 2, the upper protective shell 9 and a lower protective shell 7, and a rotor 8 is rotationally connected with the top cover 3 and the bottom cover 4 through bearings, so that assembling operation of a motor is completed, and safety protection of the motor is improved.

Referring to fig. 1, 2 and 3, the other side of the top of the reversing speed reducer 1 is provided with a screw shell 5, the inside of the screw shell 5 is provided with a screw 6, the inner side of the upper protecting shell 9 is provided with a baffle 901, the two sides of the top of the baffle 901 are arranged in an arc structure, after the reversing speed reducer 1 is used for reducing the speed, the high rotating speed and the low torque of the motor are converted into the required power output with low rotating speed and high torque, the power output is converted into linear motion by the screw 6, the lifting effect is realized to the outside, and the power transmission efficiency of the motor is improved.

Referring to fig. 3, fig. 4, fig. 5 and fig. 6, a limiting block 905 is arranged on the other side of the spring piece 904, the outer surface of the limiting block 905 is in an inclined plane, the pressing force of the coil to the limiting block 905 is utilized to facilitate the clamping block 906 and the clamping groove 703 to further improve the clamping strength, a scattered winding mode can be adopted to further improve the clamping tightness of the sub-sleeve shell 902 and the main sleeve shell 701, the pressing force of the coil is dispersed, and the installation practicability of the stator is improved.

In practice, the female housing 701 on the top of the lower protecting housing 7 is inserted into the stator slot 201, then, the sub housing 902 of the upper protecting housing 9 is vertically opposite to the stator slot 201, and the sub housing 902 gradually extends into the stator slot 201, and as the sub housing 902 gradually extends into the stator slot, the spring piece 904 is pressed against the inner wall of the female housing 701, and meanwhile, the sub housing 902 and the female housing 701 are inserted until the clamping block 906 on the spring piece 904 is clamped with the clamping slot 703 by using the elastic force of the spring piece 904, so that the mounting stability of the sub housing 902 and the female housing 701 is improved, the structural strength of the sub housing 902 and the female housing 701 is improved when the coil is wound, the pressing force of the coil to the limiting block 905 is improved, the clamping tightness of the clamping block 906 and the clamping slot 703 is further improved by using a scattered winding mode, and the pressing force of the coil is dispersed.

The technical scheme has the advantages in practical application including but not limited to the following points:

1. through the clamping block and the clamping groove, the structural strength of the son sleeve shell and the mother sleeve shell is improved when the coil is wound, deformation displacement of the son sleeve shell and the mother sleeve shell caused by the compression force of the coil is prevented, and the production precision of the stator is improved;

2. through setting up the stopper, when winding the coil with the inside of stator groove, utilize the pressure of coil to the stopper, be favorable to promoting fixture block and draw-in groove further promote joint intensity, can adopt dispersion winding form, further improve the joint compactness of son cover shell and female cover shell to disperse the clamping force of coil, promote the installation practicality of stator.

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 (7)

1. The utility model provides a lift motor is with interior around stator, includes reversing speed reducer (1), stator core (2) and rotor (8), its characterized in that: the stator core (2) is provided with protection shell (9) in the top, the bottom of going up protection shell (9) is provided with sub-cover shell (902), mounting groove (903) have all been seted up to the both sides of sub-cover shell (902), the inboard of mounting groove (903) is provided with spring leaf (904), one side of spring leaf (904) is provided with fixture block (906), the bottom of stator core (2) is provided with down protection shell (7), the top of lower protection shell (7) is provided with female cover shell (701), the both sides of female cover shell (701) all are provided with fixed block (702), draw-in groove (703) have been seted up to the inside of fixed block (702), draw-in groove (703) and fixture block (906) looks block.

2. The inner winding stator for a lift motor according to claim 1, wherein: the surface of fixture block (906) is the arc structure setting, the upper and lower both sides of draw-in groove (703) are the inclined plane setting.

3. The inner winding stator for a lift motor according to claim 1, wherein: the stator core (2) is characterized in that a plurality of stator grooves (201) are formed in the stator core (2), the stator grooves (201) are matched with a female sleeve (701), the female sleeve (701) is spliced with a sub sleeve (902), a plurality of limiting shells (10) are arranged in the stator grooves (201), the bottoms of the limiting shells (10) are spliced and clamped with a lower protective shell (7), and the tops of the limiting shells (10) are spliced and clamped with an upper protective shell (9).

4. An inner winding stator for a lift motor according to claim 3, wherein: the stator slots (201) are distributed in an equidistant annular mode along the central axis of the stator core (2), and the stator sleeves (902), the stator slots (201) and the female sleeves (701) are vertically opposite.

5. The inner winding stator for a lift motor according to claim 1, wherein: the reversing speed reducer is characterized in that a bottom cover (4) is arranged on one side of the top of the reversing speed reducer (1), a top cover (3) is arranged on the top of the upper protective shell (9), and the top cover (3) is fixedly connected with the bottom cover (4) through bolts.

6. The inner winding stator for a lift motor according to claim 1, wherein: the novel reversing speed reducer is characterized in that a screw shell (5) is arranged on the other side of the top of the reversing speed reducer (1), a screw (6) is arranged in the screw shell (5), a baffle plate (901) is arranged on the inner side of the upper protective shell (9), and two sides of the top of the baffle plate (901) are arranged in an arc-shaped structure.

7. The inner winding stator for a lift motor according to claim 1, wherein: the other side of the spring piece (904) is provided with a limiting block (905), and the outer surface of the limiting block (905) is in an inclined plane.