Motor multilayer sound insulation structure, motor driving mechanism and motor product

Abstract

The utility model relates to the technical field of motor sound insulation, in particular to a motor multilayer sound insulation structure, a motor driving mechanism and a motor product. The machine shell comprises an outer barrel, a top cover covering the top of the outer barrel, an inner barrel sleeved with the outer barrel, an inner cover covering the top of the inner barrel and a first insulating layer sleeved with the inner barrel, the motor is installed in the first insulating layer, an output shaft of the motor sequentially penetrates through the inner cover and the top cover upwards and extends out, and the outer side wall of the inner barrel is wrapped with a first sound insulation layer. According to the multi-layer sound insulation structure of the motor, the outer barrel, the first sound insulation layer, the inner barrel and the first insulation layer which are sequentially arranged from outside to inside are adopted as the casing, noise transmitted to the outside due to vibration of the motor can be greatly reduced through the arrangement of the multi-layer casing, good sound insulation and noise reduction effects are achieved, and the multi-layer sound insulation structure of the motor is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of motor sound insulation, and in particular to a motor multi-layer sound insulation structure, a motor drive mechanism and motor products. Background Art

[0002] Power tools generally refer to mechanized tools that use electric motors or electromagnets as power and drive the working head through a transmission mechanism. There are many types of power tools, such as common electric drills, electric grinders, electric sanders, electric wrenches, electric screwdrivers, electric saws and other power tools, as well as garden power tools such as lawn mowers, trimmers, grass trimmers and edge trimmers used in garden operations.

[0003] In recent years, with the continuous development of the home appliance industry, small home appliances have become an indispensable part of people's lives. Some common small home appliances include kitchen appliances such as chef machines, noodle mixers, dough mixers and food processors, as well as household appliances such as electric fans, vacuum cleaners and hair dryers.

[0004] Existing motor products generate vibration and make a lot of noise during operation due to the high-speed operation of the motor. Summary of the invention

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a motor multi-layer sound insulation structure, a motor drive mechanism and a motor product.

[0006] The purpose of the utility model is achieved through the following technical solutions: a multi-layer sound insulation structure for a motor, comprising a casing for installing a motor, the casing comprising an outer barrel, a top cover arranged on the top of the outer barrel, an inner barrel sleeved in the outer barrel, an inner cover arranged on the top of the inner barrel and a first insulating layer sleeved in the inner barrel, the motor is installed in the first insulating layer, the output shaft of the motor passes through the inner cover and the top cover in sequence in an upward direction and extends out, and the outer side wall of the inner barrel is covered with a first sound insulation layer.

[0007] Furthermore, the bottom cover of the outer barrel is provided with a bottom cover, and the bottom cover is fixedly connected to the top cover by a plurality of screws.

[0008] Furthermore, the outer edge of the top cover has a plurality of first fixing columns in a circular array, the outer edge of the bottom cover has a second fixing column fixed at a position corresponding to each first fixing column, the middle of the first fixing column and the second fixing column are provided with through holes, the screw rod passes through the through holes in the middle of the first fixing column and the second fixing column in sequence from top to bottom and is fixedly connected with a nut.

[0009] Furthermore, a first sound insulation cotton is sandwiched between the bottom of the outer barrel and the inner wall of the bottom cover.

[0010] Furthermore, a second sound insulation cotton is sandwiched between the bottom of the first sound insulation layer and the inner wall of the outer barrel.

[0011] Furthermore, a third sound insulation cotton is sandwiched between the bottom of the first insulation layer and the inner wall of the inner barrel.

[0012] Furthermore, the outer barrel is made of iron, and the inner barrel is made of aluminum.

[0013] Furthermore, the inner cover includes a second insulating layer, an aluminum plate layer, a second sound insulation layer and an iron plate layer which are sequentially attached from top to bottom.

[0014] Furthermore, an assembly hole is provided in the middle of the inner cover corresponding to the top of the motor, and the top of the motor is fixedly connected to the top cover.

[0015] A motor drive mechanism comprises a motor and the above-mentioned motor multi-layer sound insulation structure.

[0016] A motor product, comprising the motor drive mechanism described above.

[0017] The beneficial effect of the utility model is that the multi-layer sound insulation structure of the motor of the utility model adopts an outer barrel, a first sound insulation layer, an inner barrel and a first insulating layer which are arranged in sequence from the outside to the inside as the casing. The arrangement of the multi-layer casing can greatly reduce the noise transmitted to the outside due to the vibration of the motor, and has a better effect of sound insulation and noise reduction. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereogram of the motor described in the utility model.

[0019] Figure 2 It is a three-dimensional exploded view of the motor described in the utility model.

[0020] Figure 3 It is a three-dimensional exploded view of the inner cover of the utility model.

[0021] Figure 4 It is a cross-sectional view of the motor described in the utility model.

[0022] Figure 5 This is a reference diagram of the use state of the motor of the utility model when it is used in a food processor.

[0023] The figures are marked as: motor 1, output shaft 10, connector 11, casing 2, outer barrel 21, first sound insulation cotton 211, top cover 22, first fixing column 221, inner barrel 23, inner cover 24, second insulating layer 241, aluminum plate layer 242, second sound insulation layer 243, iron plate layer 244, assembly hole 245, first insulating layer 25, third sound insulation cotton 251, first sound insulation layer 26, second sound insulation cotton 261, bottom cover 27, second fixing column 271, screw 28, nut 29, main unit 3, cup body 4. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the following embodiments and attached Figure 1-5 To further illustrate the present invention, the contents mentioned in the implementation mode are not intended to limit the present invention.

[0025] See Figure 1-4 A multi-layer sound insulation structure for a motor includes a casing 2 for mounting a motor 1, the casing 2 including an outer barrel 21, a top cover 22 covering the top of the outer barrel 21, an inner barrel 23 sleeved in the outer barrel 21, an inner cover 24 covering the top of the inner barrel 23, and a first insulating layer 25 sleeved in the inner barrel 23, the motor 1 is mounted in the first insulating layer 25, the output shaft 10 of the motor 1 passes through the inner cover 24 and the top cover 22 in sequence and extends upward, and the outer side wall of the inner barrel 23 is covered with a first sound insulation layer 26.

[0026] The multi-layer sound insulation structure of the motor of the utility model adopts an outer barrel 21, a first sound insulation layer 26, an inner barrel 23 and a first insulating layer 25 which are arranged in sequence from the outside to the inside as the casing 2. The arrangement of the multi-layer casing 2 can greatly reduce the noise transmitted to the outside due to the vibration of the motor 1, and has a better effect of sound insulation and noise reduction. The structure is simple and easy to use.

[0027] In this embodiment, the bottom cover of the outer barrel 21 is provided with a bottom cover 27, and the bottom cover 27 is fixedly connected to the top cover 22 by a plurality of screws 28. Specifically, the outer edge of the top cover 22 has a plurality of first fixing columns 221 in an annular array, and the outer edge of the bottom cover 27 is respectively fixed with a second fixing column 271 corresponding to the position of each first fixing column 221, and the middle of the first fixing column 221 and the second fixing column 271 are provided with through holes (not shown in the figure), and the screws 28 pass through the through holes in the middle of the first fixing column 221 and the second fixing column 271 from top to bottom and are fixedly connected with nuts 29. The above-mentioned structure is convenient for disassembly and assembly of the housing 2. In this embodiment, the number of the first fixing column 221, the second fixing column 271, the screws 28 and the nuts 29 are all four.

[0028] In this embodiment, a first sound insulation cotton 211 is sandwiched between the bottom of the outer barrel 21 and the inner side wall of the bottom cover 27. The provision of the first sound insulation cotton 211 can further reduce the noise transmitted to the outside due to the vibration of the motor 1, and achieve a better effect of sound insulation and noise reduction.

[0029] In this embodiment, a second sound insulation cotton 261 is sandwiched between the bottom of the first sound insulation layer 26 and the inner wall of the outer barrel 21. The second sound insulation cotton 261 can further reduce the noise transmitted to the outside due to the vibration of the motor 1, and achieve a better sound insulation and noise reduction effect.

[0030] In this embodiment, a third sound insulation cotton 251 is sandwiched between the bottom of the first insulating layer 25 and the inner wall of the inner barrel 23. The provision of the third sound insulation cotton 251 can further reduce the noise transmitted to the outside due to the vibration of the motor 1, and achieve a better effect of sound insulation and noise reduction.

[0031] In this embodiment, the outer barrel 21 is made of iron, and the inner barrel 23 is made of aluminum.

[0032] In this embodiment, the inner cover 24 includes a second insulating layer 241, an aluminum plate layer 242, a second sound insulation layer 243 and an iron plate layer 244 which are sequentially attached from top to bottom. The arrangement of the multi-layer inner cover 24 can further reduce the noise transmitted to the outside due to the vibration of the motor 1, and achieve a better effect of sound insulation and noise reduction.

[0033] In this embodiment, a mounting hole 245 is provided in the middle of the inner cover 24 corresponding to the top of the motor 1, and the top of the motor 1 is fixedly connected to the top cover 22. The above structure is convenient for the assembly of the motor 1.

[0034] The first insulating layer 25 and the second insulating layer 241 used in the present invention can be insulating paper or other insulating material layers, such as synthetic resin and rubber; the first sound insulation layer 26 and the second sound insulation layer 243 can be sound insulation paper or other sound insulation material layers, such as sound insulation cotton, gypsum board and fiberboard; in other embodiments, the outer barrel 21 and the inner barrel 23 can be sealed and vacuumed to improve the sound insulation effect.

[0035] A motor drive mechanism comprises a motor 1 and the above-mentioned motor multi-layer sound insulation structure.

[0036] A motor product, the motor product includes the motor drive mechanism described above. The motor product includes common power tools and small household appliances, etc. The power tools can be common power tools such as electric drills, electric grinders, electric sanders, electric wrenches, electric screwdrivers and electric saws, and can also be garden power tools such as lawn mowers, trimmers, grass trimmers and trimmers; the small household appliances can be kitchen appliances such as chef machines, noodle blenders, dough mixers and food processors, and can also be household appliances such as electric fans, vacuum cleaners and hair dryers. It should be pointed out that the multi-layer sound insulation structure of the motor of the utility model is applicable to all motor products containing motors. The partial applications mentioned in the implementation method are not limitations of the utility model. Any obvious replacement without departing from the concept of the utility model is within the protection scope of the utility model.

[0037] One example is Figure 5As shown, the motor product is a food processor, which also includes a cup body 4, a connector 11 is fixed on the top of the output shaft 10 of the motor 1, a stirring assembly is arranged on the bottom inner wall of the cup body 4, and a connecting seat connected to the stirring assembly is provided on the bottom outer wall of the cup body 4, and the connector 11 cooperates with the connecting seat to drive the stirring assembly to rotate to crush the food. By adopting a multi-layer sound insulation structure of the motor, the noise transmitted to the outside due to the vibration of the motor 1 can be reduced, and a better sound insulation and noise reduction effect can be achieved.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

1. A multi-layer sound insulation structure for a motor, comprising a housing for mounting the motor, characterized in that: The casing includes an outer barrel, a top cover arranged on the top of the outer barrel, an inner barrel sleeved in the outer barrel, an inner cover arranged on the top of the inner barrel and a first insulating layer sleeved in the inner barrel. The motor is installed in the first insulating layer, and the output shaft of the motor passes through the inner cover and the top cover in sequence and extends out, and the outer wall of the inner barrel is covered with a first sound insulation layer.

2. A multi-layer sound insulation structure for a motor according to claim 1, characterized in that: The bottom cover of the outer barrel is provided with a bottom cover, and the bottom cover is fixedly connected with the top cover through a plurality of screws.

3. A multi-layer sound insulation structure for a motor according to claim 2, characterized in that: The outer edge of the top cover is provided with a plurality of first fixing columns in a circular array, the outer edge of the bottom cover is respectively fixed with a second fixing column at a position corresponding to each first fixing column, the middle of the first fixing column and the second fixing column are provided with through holes, the screw rod passes through the through holes in the middle of the first fixing column and the second fixing column in sequence from top to bottom and is fixedly connected with a nut.

4. The multi-layer sound insulation structure of a motor according to claim 2, characterized in that: A first sound insulation cotton is sandwiched between the bottom of the outer barrel and the inner side wall of the bottom cover.

5. The multi-layer sound insulation structure of a motor according to claim 1, characterized in that: A second sound insulation cotton is sandwiched between the bottom of the first sound insulation layer and the inner wall of the outer barrel.

6. The multi-layer sound insulation structure of a motor according to claim 1, characterized in that: A third sound insulation cotton is sandwiched between the bottom of the first insulating layer and the inner wall of the inner barrel.

7. The multi-layer sound insulation structure of a motor according to claim 1, characterized in that: The inner cover comprises a second insulating layer, an aluminum plate layer, a second sound insulation layer and an iron plate layer which are sequentially attached from top to bottom.

8. The multi-layer sound insulation structure of a motor according to claim 1, characterized in that: An assembly hole is provided in the middle of the inner cover corresponding to the top of the motor, and the top of the motor is fixedly connected to the top cover.

9. A motor drive mechanism, characterized in that: The motor drive mechanism includes a motor and a multi-layer sound insulation structure for the motor as described in any one of claims 1-8.

10. A motor product, characterized in that: The motor product includes the motor drive mechanism described in claim 9.

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