CN213213202U - Clamping structure convenient for installation of motor rotor - Google Patents

Abstract

The utility model discloses a clamping structure convenient for mounting a motor rotor, which comprises a rotor, wherein one side of the inner wall of the rotor is fixedly connected with a clamping block, the clamping block is clamped and connected with a clamping groove, the clamping groove is arranged at the bottom of a motor shaft, spring columns are fixedly arranged at the top of one side of the motor shaft and the bottom of one side of the motor shaft, the spring columns are slidably connected with a sliding groove, the sliding groove is arranged at two sides of the inner wall at one end of the rotor, the motor shaft consists of a wear-resistant layer, a material layer and a heat dissipation layer, one side of the wear-resistant layer is fixedly connected with one side of the material layer, and the other side of the material layer is fixedly connected with one side of the heat dissipation layer, the wear resistance and the heat dissipation of the motor shaft are improved, and the service life of motor parts is prolonged.

Description

Clamping structure convenient for installation of motor rotor

Technical Field

The utility model relates to an electric motor rotor field specifically is a joint structure convenient to electric motor rotor installation.

Background

The rotor of the electrical machine is also a rotating part in the electrical machine. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The method is divided into an inner rotor rotation mode and an outer rotor rotation mode. The inner rotor rotates in such a way that a core body in the middle of the motor is a rotating body, and torque (referred to as a motor) is output or energy is input (referred to as a generator). The outer rotor rotation mode is that the motor outer body is used as a rotating body, and different modes are convenient for application in various occasions. The rotor plays an important role in the motor, and the rotor needs to be properly installed and fixed

However, the existing installation structure of the motor rotor usually only adopts a single bearing seat structure to fix the working state and the position of the rotor, and the installation of the motor shaft in the rotor is integrated with the rotor, so that the motor shaft structure is inconvenient to assemble, maintain and replace a motor in the later period, is inconvenient to disassemble, increases the production cost, and meanwhile, the motor shaft often rotates together with the rotor, has simple structure, generates abrasion and heat, and prolongs the service life of the reduced motor shaft and the rotor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a joint structure convenient to electric motor rotor installation, to solve the above-mentioned mounting structure who only adopts single bearing frame structure to fix the operating condition and the position of rotor usually of current electric motor rotor who proposes in the background art, including the installation of the inside motor shaft of rotor, the motor shaft structure is mostly integral with the rotor, the equipment of later stage motor of being not convenient for, maintenance and change, inconvenient dismantlement, the cost of production has been increased, the motor shaft often rotates with the rotor simultaneously, simple structure, produce wearing and tearing and heat, the life of the motor shaft and the rotor that reduce.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a joint structure convenient to installation of electric motor rotor, includes the rotor, one side fixedly connected with fixture block of rotor inner wall, the fixture block is connected with the draw-in groove block, just the bottom at the motor shaft is seted up to the draw-in groove, the equal fixed mounting in the bottom of the top of motor shaft one side and motor shaft one side has the spring post, just spring post and spout sliding connection, the both sides at rotor one end inner wall are seted up to the spout, the motor shaft comprises wearing layer, material layer and heat dissipation layer, one side of wearing layer and one side fixed connection on material layer, the opposite side on material layer and one side fixed connection on heat dissipation layer, one side fixed mounting of rotor has the connecting bearing, the inner wall of connecting bearing rotates with the cassette to be connected, a plurality of fixed slots have been seted.

As an optimal technical scheme of the utility model, motor shaft formula structure as an organic whole, the wearing layer is made by polyvinyl chloride, the material layer is made by the carbon steel, the heat dissipation layer is made by the aluminum alloy.

As a preferred technical scheme of the utility model, the arc wall has all been seted up to the both sides at rotor inner wall middle part, just the one end of arc wall and the one end intercommunication of spout.

As an optimal technical scheme of the utility model, one side fixed mounting of draw-in groove has first weak magnetic path, one side fixed mounting of fixture block has the second weak magnetic path, first weak magnetic path matches each other with the second weak magnetic path.

As a preferred technical scheme of the utility model, the fixed cover in one side of motor shaft is equipped with the dirt proof boot, one side fixedly connected with mounting disc at motor shaft middle part.

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

1. the clamping groove, the clamping block, the spring column and the arc-shaped groove are arranged, the motor shaft is inserted into the rotor, the clamping block is attached to the clamping groove under the action of the first weak magnetic block and the second weak magnetic block, meanwhile, the spring column slides inwards in the sliding groove, then, the motor shaft is twisted, the spring column rotates in the arc-shaped groove, the spring column contracts more tightly, the motor shaft is attached to the rotor under the action of increased elasticity, the motor shaft is twisted similarly when the motor shaft and the rotor are disassembled, the motor shaft is pulled through the mounting disc, the clamping groove is separated from the clamping block, the rotor and the motor shaft are assembled and disassembled by adopting a clamping structure and the reaction force of the spring, and the maintenance and the replacement of the motor shaft and the rotor at the later stage are facilitated;

2. the wearing layer that sets up adopts polyvinyl chloride to make, and the wearing layer improves the wearability of motor shaft, reduces surperficial degree of wear, sets up the heat dissipation layer and adopts the aluminum alloy to make, and aluminum alloy thermal diffusivity is better, and when motor shaft and rotor running friction produced heat, the heat dissipation layer carries out heat conduction heat dissipation, prevents that temperature high temperature from shortening the life-span of device, has improved barrier propterty, has prolonged the life of motor shaft.

Drawings

Fig. 1 is a perspective view of the present invention;

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

FIG. 3 is an enlarged view of the present invention A;

FIG. 4 is a view showing the connection between the rotor and the motor shaft;

fig. 5 is a structural diagram of the motor shaft of the present invention.

In the figure: 1. a rotor; 2. a motor shaft; 3. connecting a bearing; 4. a card holder; 5. fixing grooves; 6. a chute; 7. a spring post; 8. an arc-shaped slot; 9. a dust-proof sleeve; 10. mounting a disc; 11. a card slot; 12. a clamping block; 13. a first weak magnetic block; 14. a second weak magnetic block; 15. a wear layer; 16. a layer of material; 17. and a heat dissipation layer.

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. 1-5, the present invention provides a clamping structure for conveniently mounting a motor rotor, which comprises a rotor 1, a clamping block 12 fixedly connected to one side of the inner wall of the rotor 1, the clamping block 12 connected with a clamping groove 11, the clamping groove 11 is arranged at the bottom of the motor shaft 2, the top of one side of the motor shaft 2 and the bottom of one side of the motor shaft 2 are both fixedly provided with the spring post 7, and spring post 7 and spout 6 sliding connection, spout 6 sets up in the both sides of 1 one end inner wall of rotor, and motor shaft 2 comprises wearing layer 15, material layer 16 and heat dissipation layer 17, one side of wearing layer 15 and one side fixed connection of material layer 16, the opposite side of material layer 16 and one side fixed connection of heat dissipation layer 17, and one side fixed mounting of rotor 1 has connecting bearing 3, and connecting bearing 3's inner wall and cassette 4 rotate to be connected, and a plurality of fixed slots 5 have been seted up to one side of cassette 4.

Preferably, motor shaft 2 formula structure as an organic whole, wearing layer 15 is made by polyvinyl chloride, and material layer 16 is made by the carbon steel, and heat dissipation layer 17 is made by the aluminum alloy, sets up wearing layer 15 and improves motor shaft 2's wearability, increase of service life, sets up heat dissipation layer 17 and promotes the radiating effect.

Preferably, arc wall 8 has all been seted up to the both sides at 1 inner wall middle part of rotor, and the one end of arc wall 8 and the one end intercommunication of spout 6, sets up arc wall 8 when spring post 7 slides to the end of spout 6, rotates motor shaft 2, and the effect of elastic force makes spring post 7 further inject motor shaft 2 inside rotor 1.

Preferably, a first weak magnetic block 13 is fixedly mounted on one side of the card slot 11, a second weak magnetic block 14 is fixedly mounted on one side of the card block 12, the first weak magnetic block 13 is matched with the second weak magnetic block 14, and the first weak magnetic block 13 and the second weak magnetic block 14 are arranged to facilitate the full attachment of the card slot 11 and the card block 12.

Preferably, one side fixed cover of motor shaft 2 is equipped with dirt proof boot 9, and one side fixedly connected with mounting disc 10 at 2 middle parts of motor shaft sets up dirt proof boot 9 and guarantees that the inside leakproofness with the outside of motor shaft 2 is good, sets up mounting disc 10 and is used for pull motor shaft 2.

When the clamping structure is used specifically, the utility model relates to a clamping structure convenient for motor rotor installation, during installation, the motor shaft 2 is inserted into the rotor 1, the clamping groove 11 of the motor shaft 2 and the clamping block 12 in the rotor 1 are attached under the action of the first weak magnetic block 13 and the second weak magnetic block 14, the spring column 7 slides inwards in the sliding groove 6, then the motor shaft 2 is twisted, the spring column 7 rotates in the arc-shaped groove 8, the spring column 7 can contract more tightly, the motor shaft 2 and the rotor 1 are attached tightly under the action of increased elasticity, similarly, when the motor shaft 2 and the rotor 1 are disassembled, the motor shaft 2 is twisted, then the motor shaft 2 is pulled through the mounting disc 10, the clamping groove 11 is separated from the clamping block 12, the disassembly in the rotor 1 is completed, the assembly and disassembly of the rotor 1 and the motor shaft 2 are realized by adopting the clamping structure and the reaction force of the spring, the maintenance and replacement of the motor shaft 2 and the rotor 1 are convenient, this outer wear-resisting layer 15 adopts polyvinyl chloride to make, and wear-resisting layer 15 improves motor shaft 2's wearability, reduces surperficial degree of wear, and the heat dissipation layer 17 of setting adopts the aluminum alloy to make, and the aluminum alloy thermal diffusivity is better, and when motor shaft 2 and 1 running friction of rotor produced heat, heat dissipation layer 17 can carry out the heat conduction and dispel the heat, has improved barrier propterty, has prolonged motor shaft 2's life.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a joint structure convenient to electric motor rotor installation, includes rotor (1), its characterized in that: one side of the inner wall of the rotor (1) is fixedly connected with a clamping block (12), the clamping block (12) is connected with a clamping groove (11) in a clamping manner, the clamping groove (11) is formed in the bottom of the motor shaft (2), the top of one side of the motor shaft (2) and the bottom of one side of the motor shaft (2) are both fixedly provided with a spring column (7), the spring column (7) is connected with a sliding groove (6) in a sliding manner, the sliding groove (6) is formed in two sides of the inner wall of one end of the rotor (1), the motor shaft (2) is composed of a wear-resistant layer (15), a material layer (16) and a heat dissipation layer (17), one side of the wear-resistant layer (15) is fixedly connected with one side of the material layer (16), the other side of the material layer (16) is fixedly connected with one side of the heat dissipation layer (17), one side of the rotor (1) is fixedly provided with a connecting bearing (3), one side of the clamping seat (4) is provided with a plurality of fixing grooves (5).

2. The clamping structure convenient for the installation of the motor rotor according to claim 1, characterized in that: the motor shaft (2) is of an integrated structure, the wear-resistant layer (15) is made of polyvinyl chloride, the material layer (16) is made of carbon steel, and the heat dissipation layer (17) is made of aluminum alloy.

3. The clamping structure convenient for the installation of the motor rotor according to claim 1, characterized in that: arc-shaped grooves (8) are formed in the two sides of the middle portion of the inner wall of the rotor (1), and one ends of the arc-shaped grooves (8) are communicated with one ends of the sliding grooves (6).

4. The clamping structure convenient for the installation of the motor rotor according to claim 1, characterized in that: a first weak magnetic block (13) is fixedly mounted on one side of the clamping groove (11), a second weak magnetic block (14) is fixedly mounted on one side of the clamping block (12), and the first weak magnetic block (13) is matched with the second weak magnetic block (14).

5. The clamping structure convenient for the installation of the motor rotor according to claim 1, characterized in that: one side of motor shaft (2) is fixed the cover and is equipped with dirt proof boot (9), one side fixedly connected with mounting disc (10) in motor shaft (2) middle part.

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