CN219600812U

CN219600812U - Hub assembly

Info

Publication number: CN219600812U
Application number: CN202320760473.6U
Authority: CN
Inventors: 宋有聚; 徐文德; 王雷; 孙志堞; 张亚聪; 宋晓辉; 邹丰华
Original assignee: Chongqing Handle High-Tech Robotics Co ltd; Shenzhen Srod Industrial Group Co Ltd
Current assignee: Chongqing Handle High-Tech Robotics Co ltd; Shenzhen Srod Industrial Group Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-29
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a hub assembly, which comprises a left hub part, a fixed shell and a right hub part, wherein the fixed shell is simultaneously connected with the left hub part and the right hub part, a motor driving control part is arranged in the fixed shell, the motor driving control part is simultaneously connected with the left hub part and the right hub part to simultaneously or respectively drive the left hub part and the right hub part, and the left hub part and the right hub part both comprise an encapsulated hub and a driving part, and the driving part is connected with the encapsulated hub. The hub assembly provided by the utility model can drive the left hub component and the right hub component simultaneously or respectively, so that the occupied space of the hub assembly can be greatly reduced, the size is reduced, and the application scene of a robot in a narrow space is met.

Description

Hub assembly

Technical Field

The present utility model relates to a hub assembly.

Background

Most of the existing hub motors directly drive the load wheels, so that the hub motors are large in size and small in output torque, and cannot meet the application scenes of many robots in narrow spaces.

Disclosure of Invention

The main object of the present utility model is to provide a hub assembly, which aims to solve the above technical problems.

In order to achieve the above object, the present utility model provides a hub assembly comprising a left hub component, a fixed housing and a right hub component, wherein the fixed housing is simultaneously connected with the left hub component and the right hub component, a motor driving control component is arranged in the fixed housing, and is simultaneously connected with the left hub component and the right hub component to simultaneously or respectively drive the left hub component and the right hub component, and the left hub component and the right hub component both comprise an encapsulated hub and a driving component, and the driving component is connected with the encapsulated hub.

In an embodiment, the motor drive control part includes a power supply portion, a first motor drive control board and a second motor drive control board, the power supply portion is connected with the first motor drive control board and the second motor drive control board at the same time, the first motor drive control board is connected with the left hub part, and the second motor drive control board is connected with the right hub part.

In an embodiment, the left hub component and the right hub component each comprise an annular gear fixing seat, a motor and a planetary reducer, the motor and the planetary reducer are integrated and integrally arranged in the annular gear fixing seat, and the encapsulated hub is arranged outside the annular gear fixing seat.

In an embodiment, the inner gear ring fixing seat is provided with a mounting groove, and the first motor driving control board and the second motor driving control board are both clamped in the mounting groove.

In an embodiment, a clamping groove is formed in the outer end face of the inner gear ring fixing seat, the hub assembly comprises a clamping plate, and the clamping plate is partially clamped in the clamping groove to achieve axial positioning.

In an embodiment, the length of one wall surface of the clamping groove along the axial direction of the motor is greater than the length of the other wall surface.

In an embodiment, the clamping plate comprises an insertion portion and a lifting portion arranged below the insertion portion, and the end portion of the insertion portion is inserted into the clamping groove.

In one embodiment, an oil seal is provided between the encapsulated hub and the stator of the motor.

In one embodiment, the ring gear fixing base is provided with an O-ring.

In an embodiment, the first motor driving control board and the second motor driving control board are provided with cooling fins.

In the technical scheme of the utility model, the hub assembly comprises a left hub part, a fixed shell and a right hub part, wherein the fixed shell is simultaneously connected with the left hub part and the right hub part, a motor driving control part is arranged in the fixed shell, the motor driving control part is simultaneously connected with the left hub part and the right hub part to simultaneously or respectively drive the left hub part and the right hub part, the left hub part and the right hub part both comprise an encapsulated hub and a driving part, and the driving part is connected with the encapsulated hub. In the technical scheme, the motor driving control part is simultaneously connected with the left hub part and the right hub part, so that the left hub part and the right hub part can be simultaneously or respectively driven, the occupied space of the hub assembly can be greatly reduced, the size is reduced, and the application scene of the robot in a narrow space is met.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a hub assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a disassembled structure of a hub assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a hub assembly in accordance with an embodiment of the present utility model.

Reference numerals illustrate: 10. a left hub component; 20. a fixed housing; 30. a right hub component; 31. encapsulating the hub; 32. an inner gear ring fixing seat; 321. a clamping groove; 33. a mounting groove; 34. a motor; 35. a planetary reducer; 36. a clamping plate; 361. an insertion section; 362. a raised portion; 37. an oil seal; 40. a motor drive control part; 41. a power supply section; 42. a first motor drive control board; 43. the second motor drives the control board.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Moreover, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

The utility model provides a hub assembly, which can be suitable for different mobile equipment or mobile terminals, such as robots and the like. In this embodiment, a robot is taken as an example.

As shown in fig. 1 to 3, the hub assembly provided by the embodiment of the present utility model includes a left hub part 10, a fixed housing 20, and a right hub part 30, the fixed housing 20 is simultaneously connected to the left hub part 10 and the right hub part 30, a motor driving control part 40 is disposed in the fixed housing 20, and the motor driving control part 40 is simultaneously connected to the left hub part 10 and the right hub part 30 to simultaneously or separately drive the left hub part 10 and the right hub part 30, and the left hub part 10 and the right hub part 30 each include an encapsulated hub 31 and a driving part, and the driving part is connected to the encapsulated hub 31.

The hub assembly comprises a left hub part 10, a fixed shell 20 and a right hub part 30, wherein the fixed shell 20 is simultaneously connected with the left hub part 10 and the right hub part 30, a motor driving control part 40 is arranged in the fixed shell 20, the motor driving control part 40 is simultaneously connected with the left hub part 10 and the right hub part 30 to simultaneously or respectively drive the left hub part 10 and the right hub part 30, and the left hub part 10 and the right hub part 30 respectively comprise an encapsulated hub 31 and a driving part, and the driving part is connected with the encapsulated hub 31. In this technical solution, since the motor driving control unit 40 is connected to the left hub unit 10 and the right hub unit 30 at the same time, the left hub unit 10 and the right hub unit 30 can be driven at the same time or separately, so that the occupied space of the hub assembly can be greatly reduced, and the size of the hub assembly can be reduced, so that the utility model is particularly suitable for the application scenario of a robot in a narrow space.

The motor drive control unit 40 includes a power supply unit 41, a first motor drive control board 42, and a second motor drive control board 43, wherein the power supply unit 41 is connected to the first motor drive control board 42 and the second motor drive control board 43 at the same time, the first motor drive control board 42 is connected to the left hub unit 10, and the second motor drive control board 43 is connected to the right hub unit 30. In the present embodiment, the stationary housing 20 is provided with an opening to communicate with the power supply portion 41, the power supply portion 41 may be connected with a power cord or the like, and the first motor drive control board 42 and the second motor drive control board 43 may control the left hub member 10 and the right hub member 30, respectively.

Specifically, the left hub component 10 and the right hub component 30 each include an inner gear ring fixing seat 32, a motor 34 and a planetary reducer 35, the motor 34 and the planetary reducer 35 are integrated and integrally arranged in the inner gear ring fixing seat 32, and the encapsulated hub 31 is arranged outside the inner gear ring fixing seat 32. In this embodiment, the motor 34 is integrated with the planetary reducer 35 and directly drives the encapsulation hub 31, and an oil seal 37 is provided between the encapsulation hub 31 and the stator of the motor 34, so that the encapsulation hub 31 can realize dynamic sealing in the rotation process.

Referring to fig. 2, the ring gear fixing base 32 is provided with a mounting groove 33, and the first motor driving control board 42 and the second motor driving control board 43 are both clamped in the mounting groove 33. In the present embodiment, the mounting groove 33 is used for mounting the motor drive control board, and stability can be improved by a clamping manner. Meanwhile, the stability can be further improved by matching with modes such as bolt fastening and the like, and meanwhile, the influence on the driving control board caused by overhigh heat generated during the working of the motor 34 can be prevented. The first motor driving control board 42 and the second motor driving control board 43 are provided with cooling fins, so that the temperature is quickly guided to the fixed housing 20 by the cooling fins

The outer end surface of the ring gear fixing seat 32 is provided with a clamping groove 321, the hub component comprises a clamping plate 36, and the clamping plate 36 is partially clamped in the clamping groove 321 to realize axial positioning. Referring to fig. 3, the length of one wall surface of the clamping groove 321 along the axial direction of the motor 34 is greater than that of the other wall surface, the clamping plate 36 includes an insertion portion 361 and a raised portion 362 disposed below the insertion portion 361, and an end portion of the insertion portion 361 is inserted into the clamping groove 321. In this embodiment, the longer slot wall of the clamping slot 321 can be pressed on the surface of the clamping plate 36 to improve the stability of the two components when connected.

In addition, the O-ring seal is provided on the ring gear holder 32, and the water-proof performance of the left hub member 10 and the right hub member 30 can be improved by providing the O-ring seal.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a wheel hub subassembly, its characterized in that, wheel hub subassembly includes left wheel hub part, fixed shell and right wheel hub part, fixed shell simultaneously with left wheel hub part with right wheel hub part links to each other, be equipped with motor drive control part in the fixed shell, motor drive control part simultaneously with left wheel hub part with right wheel hub part is connected in order to drive simultaneously or respectively left wheel hub part with right wheel hub part, left wheel hub part with right wheel hub part all includes rubber coating wheel hub and drive part, drive part connect in rubber coating wheel hub.

2. The hub assembly of claim 1, wherein the motor drive control component includes a power supply portion, a first motor drive control board and a second motor drive control board, the power supply portion being connected to both the first motor drive control board and the second motor drive control board, the first motor drive control board being connected to the left hub component, and the second motor drive control board being connected to the right hub component.

3. The hub assembly of claim 2, wherein the left hub component and the right hub component each include an annular gear holder, a motor, and a planetary reducer, the motor being integrated with the planetary reducer and disposed within the annular gear holder, the encapsulated hub being disposed external to the annular gear holder.

4. The hub assembly of claim 3, wherein the ring gear holder is provided with a mounting groove, and the first motor drive control board and the second motor drive control board are both retained in the mounting groove.

5. The hub assembly of claim 4, wherein the outer end surface of the ring gear holder is provided with a clamping groove, and the hub component comprises a clamping plate, and the clamping plate is partially clamped in the clamping groove to realize axial positioning.

6. The hub assembly of claim 5, wherein a length of one of the wall surfaces of the clamping groove in the axial direction of the motor is greater than a length of the other wall surface.

7. The hub assembly of claim 6, wherein the clamping plate includes an insertion portion and a raised portion disposed below the insertion portion, an end of the insertion portion being inserted into the clamping groove.

8. The hub assembly of claim 5, wherein an oil seal is provided between the encapsulated hub and the stator of the motor.

9. A hub assembly according to claim 3, wherein the ring gear holder is provided with an O-ring seal.

10. The hub assembly of claim 2, wherein the first motor drive control board and the second motor drive control board are each provided with a heat sink.