Nested shaft type clutch gear motor

Abstract

The utility model provides a nested shaft type clutch gear motor which comprises a motor assembly, a reduction gearbox assembly installed at the front end of the motor assembly, an electromagnetic clutch assembly installed at the front end of the reduction gearbox assembly, a hollow shaft arranged in the middle of the motor assembly, and a hollow planet carrier arranged in the middle of the reduction gearbox assembly. A hollow clutch armature is arranged in the middle of the electromagnetic clutch assembly, the hollow shaft, the hollow planet carrier and the hollow clutch armature are coaxially arranged, the hollow planet carrier is sleeved with the hollow clutch armature, and the mandrel is connected with a clutch disc of the electromagnetic clutch assembly and penetrates through the hollow shaft and the hollow planet carrier to be installed. By adopting a nested shaft scheme, the clutch gear motor adopts an integrated structure, in actual use, a motor power shaft and an electric brake rotating shaft are on the same axis, the mounting is simple and convenient, the operation is very direct, the efficiency is high, the failure rate is low, the size is reduced by more than one time, and the aspects of noise, attractiveness and the like are comprehensively improved.

Description

Technical Field

[0001] The utility model relates to the field of clutch reduction motors, and particularly to a nested shaft type clutch reduction motor. Background Art

[0002] At present, the clutch reduction motors on the market are all equipped with a reduction gearbox at the front end of the motor and a clutch at the front end of the reduction gearbox. When such a clutch motor is installed on an automatic circuit breaker or a valve, only a side transmission structure can be made to complete the power transmission. This results in the motor power shaft and the circuit breaker rotating shaft being two parallel shafts, with a huge structural size, troublesome installation, low efficiency, and high failure rate.

[0003] Therefore, there is an urgent need for a nested shaft type clutch reduction motor that can solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a nested shaft type clutch reduction motor to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above purpose, the utility model provides the following scheme:

[0006] The utility model provides a nested shaft type clutch reduction motor, including a motor assembly. A reduction gearbox assembly is installed at the front end of the motor assembly, and an electromagnetic clutch assembly is installed at the front end of the reduction gearbox assembly. A hollow shaft is provided in the middle of the motor assembly, a hollow planet carrier is provided in the middle of the reduction gearbox assembly, and a hollow clutch armature is provided in the middle of the electromagnetic clutch assembly. The hollow shaft, the hollow planet carrier, and the hollow clutch armature are coaxially arranged, and the hollow clutch armature is sleeved outside the hollow planet carrier. A core shaft is connected to the clutch disc of the electromagnetic clutch assembly and is installed through the hollow shaft and the hollow planet carrier.

[0007] Preferably, wear-resistant bushings are provided between the core shaft and the hollow shaft, and between the core shaft and the hollow planet carrier.

[0008] Preferably, the motor assembly includes a motor housing. The hollow shaft is installed at the center of the motor housing, and a motor rotor is provided between the hollow shaft and the motor housing.

[0009] Preferably, the reduction gearbox assembly includes a reduction gearbox housing. The reduction gearbox housing is fixed to the front of the motor housing. The hollow planet carrier is limited to the front of the reduction gearbox housing. A planetary gear set is installed in the reduction gearbox housing through a fixed internal gear ring. A sun gear is provided at the front end of the hollow shaft, and the sun gear meshes with the planetary gear set.

[0010] Preferably, the electromagnetic clutch assembly includes a clutch yoke, the hollow clutch armature is installed at the front of the clutch yoke, and a clutch coil is provided between the hollow clutch armature and the clutch yoke.

[0011] The utility model has achieved the following beneficial technical effects compared with the prior art:

[0012] A nested shaft type clutch reduction motor provided by the utility model includes a motor assembly. A reduction gearbox assembly is installed at the front end of the motor assembly. An electromagnetic clutch assembly is installed at the front end of the reduction gearbox assembly. A hollow shaft is provided in the middle of the motor assembly. A hollow planet carrier is provided in the middle of the reduction gearbox assembly. A hollow clutch armature is provided in the middle of the electromagnetic clutch assembly. The hollow shaft, the hollow planet carrier and the hollow clutch armature are coaxially arranged, and the hollow clutch armature is sleeved outside the hollow planet carrier. The core shaft is connected to the clutch disc of the electromagnetic clutch assembly and is installed through the hollow shaft and the hollow planet carrier. By adopting the nested shaft scheme, the clutch reduction motor adopts an integrated structure. In actual use, the motor power shaft and the electric brake rotating shaft are on the same axis, which is simple to install, very direct in operation, high in efficiency and low in failure rate. The size is reduced by more than 1 time compared with before, and there are also comprehensive improvements in terms of noise and aesthetics. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a schematic structural diagram of a nested shaft type clutch reduction motor provided by the present utility model. Detailed Embodiments

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present utility model.

[0016] The purpose of the present utility model is to provide a nested shaft type clutch reduction motor to solve the problems existing in the prior art.

[0017] In order to make the above-mentioned objects, features and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0018] Embodiment 1:

[0019] This embodiment provides a nested shaft type clutch reduction motor. As shown in Figure 1 , it includes a motor assembly 1. A reduction gearbox assembly 2 is installed at the front end of the motor assembly 1, and an electromagnetic clutch assembly 3 is installed at the front end of the reduction gearbox assembly 2. A hollow shaft 11 is provided in the middle of the motor assembly 1, a hollow planet carrier 21 is provided in the middle of the reduction gearbox assembly 2, and a hollow clutch armature 31 is provided in the middle of the electromagnetic clutch assembly 3. The hollow shaft 11, the hollow planet carrier 21, and the hollow clutch armature 31 are coaxially arranged, and the hollow clutch armature 31 is sleeved outside the hollow planet carrier 21. The core shaft 4 is connected to the clutch disc 32 of the electromagnetic clutch assembly 3 and is installed through the hollow shaft 11 and the hollow planet carrier 21.

[0020] As an implementation manner, wear-resistant bushings 5 are provided between the core shaft 4 and the hollow shaft 11, and between the core shaft 4 and the hollow planet carrier 21. Of course, bearings can also be used instead.

[0021] As an implementation manner, the motor assembly 1 includes a motor housing 12. The hollow shaft 11 is installed at the center of the motor housing 12, and a motor rotor 13 is provided between the hollow shaft 11 and the motor housing 12.

[0022] As an implementation manner, the reduction gearbox assembly 2 includes a reduction gearbox housing 22. The reduction gearbox housing 22 is fixed to the front part of the motor housing 12. The hollow planet carrier 21 is limited to the front part of the reduction gearbox housing 22. A planetary gear set 24 is installed in the reduction gearbox housing 22 through a fixed internal gear ring 23. A sun gear 14 is provided at the front end of the hollow shaft 11, and the sun gear 14 meshes with the planetary gear set 24.

[0023] As an implementation manner, the electromagnetic clutch assembly 3 includes a clutch yoke 33. The hollow clutch armature 31 is installed at the front part of the clutch yoke 33, and a clutch coil 34 is provided between the hollow clutch armature 31 and the clutch yoke 33.

[0024] For the nested shaft type clutch reduction motor provided by the present utility model, the motor shaft is designed as a hollow structure, and the planet carrier in the matching planetary reduction gearbox is also designed as a hollow structure. Similarly, the clutch armature is also a hollow structure. The core shaft fixed on the clutch disc passes through the clutch armature, the planetary reduction gearbox, and the motor shaft, and finally extends out from the rear end of the motor to reach the electric switch or valve to be controlled. By adopting the nested shaft scheme, the clutch reduction motor adopts an integrated structure. In actual use, the motor power shaft and the electric switch rotating shaft are on the same axis, which is simple to install, very direct in operation, high in efficiency and low in failure rate. The size is reduced by more than 1 time compared with before, and there are also comprehensive improvements in terms of noise and aesthetics.

[0025] ​​The present utility model elaborates on the principle and implementation manner of the present utility model by applying specific examples. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A nested shaft clutch reduction motor, comprising a motor assembly, a reduction box assembly is installed at the front end of the motor assembly, and an electromagnetic clutch assembly is installed at the front end of the reduction box assembly, characterized in that: A hollow shaft is provided in the middle of the motor assembly, a hollow planetary carrier is provided in the middle of the reduction box assembly, and a hollow clutch armature is provided in the middle of the electromagnetic clutch assembly. The hollow shaft, the hollow planetary carrier and the hollow clutch armature are coaxially arranged, and the hollow clutch armature is sleeved on the outside of the hollow planetary carrier. The core shaft is connected to the clutch plate of the electromagnetic clutch assembly and is installed through the hollow shaft and the hollow planetary carrier.

2. The nested shaft clutch reduction motor according to claim 1, characterized in that: Wear-resistant bushings are arranged between the core shaft and the hollow shaft, and between the core shaft and the hollow planet carrier.

3. The nested shaft clutch reduction motor according to claim 1, characterized in that: The motor assembly comprises a motor housing, the hollow shaft is installed at the center of the motor housing, and a motor rotor is arranged between the hollow shaft and the motor housing.

4. The nested shaft clutch reduction motor according to claim 3, characterized in that: The reduction gearbox assembly includes a reduction gearbox housing, which is fixed to the front of the motor housing. The hollow planetary carrier is limited to the front of the reduction gearbox housing. A planetary gear set is installed in the reduction gearbox housing through a fixed inner gear ring. A sun gear is provided at the front end of the hollow shaft, and the sun gear is meshed with the planetary gear set.

5. The nested shaft clutch reduction motor according to claim 4, characterized in that: The electromagnetic clutch assembly comprises a clutch yoke, the hollow clutch armature is mounted on the front of the clutch yoke, and a clutch coil is arranged between the hollow clutch armature and the clutch yoke.

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