CN215934632U - dynamo - Google Patents

Abstract

The utility model belongs to the technical field of generators, and provides a generator which comprises a stator and a rotor, wherein the stator comprises a shell and a stator main body arranged in the shell, the rotor comprises a rotor main body, a rotor shaft and a power output shaft, the stator main body, the rotor shaft and the power output shaft are coaxially arranged, the rotor shaft is arranged in the rotor main body in a penetrating mode, the first end of the rotor shaft is used for receiving power input, the second end of the rotor shaft is connected with the first end of the power output shaft, the second end of the power output shaft is used for providing power for an auxiliary part, and the first end of the rotor shaft and the second end of the power output shaft both penetrate out of the shell. The generator provided by the utility model provides power for the auxiliary part through the power output shaft, and the power output shaft and the rotor shaft have the function of adjusting the axial size. Other accessories can solve a great deal of industrial problems by using the power.

Description

Generator

Technical Field

The utility model belongs to the technical field of generators, and particularly relates to a generator.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The existing generator is generally only used for generating power and has no power output function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the problem that the generator in the prior art does not have a power output function, and the aim is realized by the following technical scheme:

the utility model proposes a generator comprising:

the stator comprises a shell and a stator main body arranged in the shell;

the rotor, the rotor includes rotor main part, rotor shaft and power output shaft, the stator main part the rotor shaft with power output shaft is coaxial to be set up, the rotor shaft wears to be located the rotor main part, the first end of rotor shaft is used for receiving power input, the second end of rotor shaft with power output shaft's first end is connected, power output shaft's second end is used for providing power for the auxiliary, the first end of rotor shaft with power output shaft's second end all wears out the shell.

The generator provided by the utility model supplies power to the auxiliary part through the power output shaft, the power output shaft and the rotor shaft are connected in a clamping or sleeving manner, and the power output shaft and the rotor shaft can slightly move in the axial direction, so that the generator has the function of adjusting the axial size. The first end of the rotor shaft can be sleeved with the belt pulley to receive power, and the rotor shaft drives the power output shaft to rotate, so that the generator has a power output function. Other accessories can solve a great deal of industrial problems by using the power.

In addition, the generator according to the utility model may also have the following additional technical features:

in some embodiments of the utility model, the rotor shaft and the power output shaft are clamped in a prism and pit matching mode.

In some embodiments of the present invention, the housing includes a front end cover, a middle end cover and a rear end cover, two axial ends of the middle end cover are respectively connected to the front end cover and the rear end cover, the generator further includes a front bearing, a middle bearing and a rear bearing, the rotor shaft is connected to the front end cover through the front bearing, the rotor shaft is connected to the middle end cover through the middle bearing, and the power output shaft is connected to the rear end cover through the rear bearing.

In some embodiments of the utility model, the generator further includes a dustproof pad, a regulator, a carbon brush and a slip ring, the dustproof pad, the regulator, the carbon brush and the slip ring are arranged in the housing, the regulator is assembled between the middle bearing and the rear end cover, the carbon brush is assembled on the regulator, the slip ring is sleeved on the rotor shaft and is arranged corresponding to the carbon brush, one side of the dustproof pad is connected with the regulator, and the dustproof pad is sleeved on the rotor shaft.

In some embodiments of the utility model, the other side of the dust pad is connected to the rear end cap.

In some embodiments of the present invention, the dustproof pad includes a first dustproof portion and a second dustproof portion, the first dustproof portion is disposed along a radial direction of the generator and is interposed between the regulator and the rear end cover, one end of the second dustproof portion is connected to the first dustproof portion, the second dustproof portion is disposed along an axial direction of the generator and is interposed between the intermediate end cover and the rear end cover, and the second dustproof portion is disposed around the regulator.

In some embodiments of the present invention, the generator further includes a dust cover sleeved on the power output shaft, and the dust cover seals a connection between the power output shaft and the rear end cover.

In some embodiments of the present invention, an inner edge of the dust cover is fixedly connected to the power output shaft, and a labyrinth structure is formed between an outer edge of the dust cover and the rear end cover.

In some embodiments of the utility model, the connection of the rotor shaft to the power take-off shaft is between the carbon brushes and the rear end bearing in the axial direction of the generator.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a cross-sectional schematic view of a generator according to an embodiment of the utility model;

FIG. 2 schematically shows a structural schematic of a rotor shaft of a generator according to an embodiment of the utility model;

FIG. 3 schematically illustrates a structural schematic of a power take-off shaft of a generator according to an embodiment of the present invention;

FIG. 4 schematically illustrates a structural schematic of an intermediate end cover of a generator according to an embodiment of the utility model;

FIG. 5 schematically illustrates a structural schematic of a rear end cover of a generator according to an embodiment of the utility model;

FIG. 6 schematically illustrates a schematic structural diagram of a regulator of a generator according to an embodiment of the present invention;

fig. 7 schematically shows a structural view of a dust gasket of a generator according to an embodiment of the present invention;

fig. 8 schematically shows a structural view of a dust cover of a generator according to an embodiment of the present invention;

the reference symbols in the drawings denote the following:

10: pulley, 11: rotor body, 12: stator main body, 13: rotor shaft, 131: first end of rotor shaft, 132: second end of rotor shaft, 14: power output shaft, 141: first end of power take-off shaft, 142: second end of power take-off shaft, 15: front end cover, 16: middle end cover, 17: rear end cap, 18: front bearing, 19: intermediate bearing, 20: rear bearing, 21: dust cover, 22: carbon brush, 23: regulator, 24: a dust-proof pad.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "inner", "side", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 8, a first aspect of the present invention provides a generator, which includes a stator and a rotor, the stator includes a housing and a stator main body 12 disposed in the housing, the rotor includes a rotor main body 11, a rotor shaft 13 and a power output shaft 14, the stator main body 12, the rotor main body 11, the rotor shaft 13 and the power output shaft 14 are coaxially disposed, the rotor main body 11 rotates relative to the stator main body 12 to generate an electric power output, the rotor shaft 13 is disposed through the rotor main body 11, a first end of the rotor shaft 13 is used for receiving a power input, the rotor shaft 13 is rotated by a pulley 10 mounted at the first end of the rotor shaft 13, a second end of the rotor shaft 13 is connected to the first end of the power output shaft 14, a second end of the power output shaft 14 is used for providing power for an accessory, and the accessory can be some equipment with small power request, such as a fan, Brushes, a water pump, an air pump and the like, wherein the first end of the rotor shaft 13 and the second end of the power output shaft 14 penetrate out of the shell to facilitate connection.

The generator provided by the utility model supplies power to the auxiliary part through the power output shaft 14, the power output shaft 14 is connected with the rotor shaft 13 in a clamping or sleeving manner, and the power output shaft 14 and the rotor shaft 13 can slightly move in the axial direction, so that the generator has the function of adjusting the axial size. The first end of the rotor shaft 13 can be sleeved with the belt pulley 10 to receive power, and the rotor shaft 13 drives the power output shaft 14 to rotate, so that the generator has a power output function. Other accessories can solve a great deal of industrial problems by using the power.

In some embodiments of the present invention, the rotor shaft 13 and the power output shaft 14 are clamped in a manner that a prism is matched with a pit, the second end of the rotor shaft 13 is a prism, the first end of the power output shaft 14 is a pit matched with the prism, the rotor shaft 13 is stationary relative to the power output shaft 14 in the circumferential direction during rotation, and has a certain sliding space in the axial direction, so that noise and hard friction during rotation are reduced, and reliability is improved.

In some embodiments of the present invention, the housing includes a front end cover 15, an intermediate end cover 16 and a rear end cover 17, two axial ends of the intermediate end cover 16 are respectively connected to the front end cover 15 and the rear end cover 17, the generator further includes a front bearing 18, an intermediate bearing 19 and a rear bearing 20, the rotor shaft 13 is connected to the front end cover 15 through the front bearing 18, the rotor shaft 13 is connected to the intermediate end cover 16 through the intermediate bearing 19, the power output shaft 13 is connected to the rear end cover 17 through the rear bearing 20, so as to avoid excessive vibration at the rear end of the generator due to increased power output function, three-stage support is formed in the generator by the front end cover 15, the intermediate end cover 16 and the rear end cover 17, and a bearing is added at the rear end of the generator, so that vibration can be reduced, and manufacturability is better.

In some embodiments of the present invention, the generator further includes a dust-proof pad 24, a regulator 23, a carbon brush 22, and a slip ring disposed in the housing, the regulator 23 is disposed between the middle bearing 19 and the rear end cover 17, the carbon brush 22 is disposed on the regulator 23, the slip ring is sleeved on the rotor shaft 13 and is disposed corresponding to the carbon brush 22, one side of the dust-proof pad 24 is connected to the regulator 23, the dust-proof pad 24 is sleeved on the rotor shaft 13, the middle end cover 16 is provided with a bearing, and then forms a first sealing region (region a in fig. 1) together with the dust-proof pad 24 and the regulator 23, so as to comprehensively protect the middle bearing 19 and the carbon brush 22, and a hole is formed in the middle of the dust-proof pad 24, so that the rotor shaft 13 can penetrate through the hole, thereby preventing dust in the environment from affecting the life of the carbon brush 22 and the middle bearing 19.

In some embodiments of the present invention, the other side of the dust-proof pad 24 is connected to the rear end cover 17, and the dust-proof pad 24, the rear end cover 17 and the dust-proof cover 21 together form a second sealing region (region B in fig. 1) to protect the rear bearing 20 from the environment. The first and second sealing regions cooperate to improve the reliability of the bearing and carbon brushes 22.

In some embodiments of the present invention, the dust-proof pad 24 includes a first dust-proof portion 241 and a second dust-proof portion 242, the first dust-proof portion 241 is generally an annular structure and has a sealing groove at an outer edge, the first dust-proof portion 241 is disposed along a radial direction of the generator, the first dust-proof portion 241 is filled between the regulator 23 and the rear end cover 17, the second dust-proof portion 242 is filled between the middle end cover 16 and the rear end cover 17, the second dust-proof portion 242 is adapted to a shape of a space where the sealing filling is required, one end of the second dust-proof portion 242 is connected to the first dust-proof portion 241, the two portions are integrally formed, and the second dust-proof portion 242 is sleeved on the regulator 23 to seal a gap at an outer periphery of the regulator.

In some embodiments of the present invention, the generator further includes a dust cap 21 sleeved on the power output shaft 14, the dust cap 21 is mounted on the power output shaft 14, a shoulder structure can be arranged on the power output shaft to limit axial sliding of the dust cap, the dust cap 21 on the other side is fastened by a nut, the dust cap 21 seals a joint of the power output shaft 14 and the rear end cover 17, dust is prevented from entering from the joint of the power output shaft 14 and the rear end cover 17 by arranging the dust cap 21, an unfixed side of the dust cap 21 can be designed into a labyrinth seal form, and the sealing performance of the joint is enhanced by multiple bending and circuitous processes.

In some embodiments of the utility model, a small water pump can be integrated at the rear end of the generator, a water channel is added on the generator shell and is externally connected with a water tank and a water pipe, the water cooling function of the generator is realized, the generator and other accessories form a set of system, the engine cooling water is not needed, the influence on the performance of the engine is not needed to be evaluated, and the problem of less ablation of the generator under the working condition of a chemical fertilizer can be solved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An electrical generator, comprising:

the stator comprises a shell and a stator main body arranged in the shell;

the rotor, the rotor includes rotor main part, rotor shaft and power output shaft, the stator main part the rotor shaft with power output shaft is coaxial to be set up, the rotor shaft wears to be located the rotor main part, the first end of rotor shaft is used for receiving power input, the second end of rotor shaft with power output shaft's first end is connected, power output shaft's second end is used for providing power for the auxiliary, the first end of rotor shaft with power output shaft's second end all wears out the shell.

2. The generator of claim 1 wherein the rotor shaft and the power take-off shaft are clamped by mating a prism with a dimple.

3. The generator of claim 1, wherein the housing comprises a front end cover, a middle end cover and a rear end cover, two axial ends of the middle end cover are respectively connected with the front end cover and the rear end cover, the generator further comprises a front bearing, a middle bearing and a rear bearing, the rotor shaft is connected with the front end cover through the front bearing, the rotor shaft is connected with the middle end cover through the middle bearing, and the power output shaft is connected with the rear end cover through the rear bearing.

4. The generator of claim 3 further comprising a dust pad, a regulator, a carbon brush and a slip ring disposed within the housing, wherein the regulator is disposed between the center bearing and the rear end cap, the carbon brush is disposed on the regulator, the slip ring is disposed around the rotor shaft and corresponds to the carbon brush, one side of the dust pad is connected to the regulator, and the dust pad is disposed around the rotor shaft.

5. The generator of claim 4 wherein the other side of the dust gasket is connected to the rear end cap.

6. The generator according to claim 5, wherein the dust-proof pad includes a first dust-proof portion and a second dust-proof portion, the first dust-proof portion is disposed along a radial direction of the generator and interposed between the regulator and the rear end cover, one end of the second dust-proof portion is connected to the first dust-proof portion, the second dust-proof portion is disposed along an axial direction of the generator and interposed between the intermediate end cover and the rear end cover, and the second dust-proof portion is fitted over the regulator.

7. The generator of any one of claims 3 to 5, further comprising a dust cover sleeved on the power output shaft, wherein the dust cover seals a joint of the power output shaft and the rear end cover.

8. The generator of claim 7, wherein an inner edge of the dust cover is fixedly connected with the power output shaft, and a labyrinth structure is formed between an outer edge of the dust cover and the rear end cover.

9. Generator according to any of claims 1-6, wherein the connection of the rotor shaft to the power take-off shaft is between the carbon brushes and the rear end bearing in the axial direction of the generator.

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