CN215361262U

CN215361262U - Wheel hub assembly

Info

Publication number: CN215361262U
Application number: CN202121256151.5U
Authority: CN
Inventors: 李激初; 林杰煌
Original assignee: Guangdong Lofandi Intelligent Technology Co ltd
Current assignee: Guangdong Lofandi Intelligent Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-31
Anticipated expiration: 2031-06-04

Abstract

A hub assembly includes a motor hub assembly mounted on a shaft; the lock end cover is sleeved on the shaft and is detachably and fixedly connected with the motor hub component; locate lock end cover with between the motor hub subassembly for motor hub subassembly with have the tool to lock of relatively fixed locking state and relative pivoted unblock state between the axle. The application provides a wheel hub subassembly compares with prior art, through installing the tool to lock in the motor wheel hub subassembly outside, can make things convenient for more to overhaul the tool to lock.

Description

Wheel hub assembly

Technical Field

The present application relates to the field of lock technology, and more particularly, to a hub assembly.

Background

The wheel hub motor technology is also called as in-wheel motor technology, and the biggest characteristic of the wheel hub motor technology is that power, transmission and braking devices are integrated into a wheel hub, so that the mechanical part of an electric vehicle is greatly simplified.

The locking control to wheel hub (wheel) is realized utilizing the wheel hub lock usually among the prior art, and often with wheel hub lock encapsulation in wheel hub's flower drum shell at the in-process of design, but when wheel hub lock fault problem appeared and need overhaul and change, need take apart the in-wheel motor, because the volume and the weight of in-wheel motor are great, the dismouting process is very troublesome, not only consuming time but also hard.

Therefore, a need exists for a hub assembly that provides more convenient access to the lock.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, this application provides a wheel hub subassembly, through installing the tool to lock in the motor wheel hub subassembly outside, can make things convenient for more to overhaul the tool to lock.

The technical scheme provided by the application is as follows:

a hub assembly, comprising,

a motor hub assembly mounted on the shaft;

the lock end cover is sleeved on the shaft and is detachably and fixedly connected with the motor hub component;

locate lock end cover with between the motor hub subassembly for motor hub subassembly with have the tool to lock of relatively fixed locking state and relative pivoted unblock state between the axle.

Preferably, the method further comprises the step of,

the wire passing seat is fixedly arranged on the shaft;

the locking wire passing hole is arranged on the wire passing seat and communicated with the inside and the outside of the lock end cover.

Preferably, the locking end cover is connected with the wire passing seat in a sealing mode.

Preferably, the motor hub assembly includes,

a hub rotatably connected to the shaft;

the motor end cover is fixedly connected with the hub and the lock end cover;

and the driving component is accommodated in the wheel hub and the motor end cover and drives the wheel hub to rotate around the shaft.

Preferably, a driving assembly line passing hole communicated with the inside and the outside of the hub is formed in the position, corresponding to the driving assembly, of the shaft.

Preferably, the motor end cover is connected with the hub and the motor end cover is connected with the lock end cover in a sealing mode.

Preferably, the lock, comprises,

a mounting plate fixedly connected with the shaft;

and the locking mechanism is arranged on the mounting plate.

Preferably, the locking mechanism comprises, in combination,

the rotary output piece is coaxially and fixedly connected with the lock end cover, and a plurality of lock grooves are formed in the rotary circumference of the rotary output piece;

the locking piece is movably arranged and provided with a locking block which can be embedded into and separated from the locking groove;

and the control component is used for driving the locking piece and controlling the locking piece to reciprocate.

Preferably, the locking part comprises a first locking part, a second locking part and a switch part;

the first locking piece and the second locking piece are respectively and elastically hinged at two hinge points, a locking block which can be embedded into the locking groove is arranged on the first locking piece, the second locking piece and the first locking piece are mutually abutted at the other point position outside the straight line where the two hinge points are located, and the locking block on the first locking piece is embedded into the locking groove of the rotary output piece;

the switch part is connected with the control assembly, and is provided with a first unlocking structure and a second unlocking structure which sequentially shift the second locking part and the first locking part.

Preferably, the control assembly, comprises,

controlling the motor;

a control block rotatably connected with the output end of the control motor,

and the control spring is used for connecting a point on the rotation circumference of the control block with a non-hinged point of the switch piece.

According to the hub assembly provided by the utility model, the motor hub assembly, the lock end cover and the lock are arranged, wherein the motor hub assembly is arranged on the shaft, the lock end cover is sleeved on the shaft and is detachably and fixedly connected with the motor hub assembly, and the lock is arranged between the lock end cover and the motor hub assembly, so that the motor hub assembly and the shaft are in a relatively fixed locking state and a relatively rotating unlocking state. So set up, install the tool to lock in the outside of motor wheel hub subassembly as an solitary accessory, realize the wheel hub locking and the unblock function of motor through the tool to lock, and the maintenance is dismantled to the convenience. Therefore, compared with the prior art, the hub assembly in the embodiment of the utility model has the advantage that the lock is arranged on the outer side of the motor hub assembly, so that the lock can be more conveniently overhauled.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a hub assembly provided in accordance with an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a wire passing seat according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a lock end cap according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a shaft according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a motor end cover according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a lock according to an embodiment of the present invention.

Reference numerals: 1. a shaft; 2. a motor hub assembly; 3. locking the end cover; 4. a lock; 5. a wire passing seat; 6. a locking wire passing hole; 7. a drive assembly wire passing hole; 8. mounting a plate; 21. a hub; 22. a motor end cover; 23. a drive assembly; 24. a second seal member; 25. a third seal member; 221. a third sealing position; 231. a drive assembly line; 31. a first sealing position; 32. a first seal member; 41 a rotary output member; 42. a first locking member; 43. a second lock; 44. a switch member; 45. controlling the motor; 451. locking the wire; 46. a control block; 47. a control spring; 48. a first torsion spring; 49. a second torsion spring.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

Embodiments of the present invention are written in a progressive manner.

Referring to fig. 1 to 6, an embodiment of the present invention provides a hub assembly, including a motor hub assembly 2 mounted on a shaft 1; the lock end cover 3 is sleeved on the shaft 1 and is detachably and fixedly connected with the motor hub component 2; locate lock end cover 3 with between the motor wheel hub subassembly 2 for motor wheel hub subassembly 2 with have the tool to lock 4 of relatively fixed locking state and the relative pivoted unblock state between the axle 1.

Because the lockset in the prior art is generally arranged in the hub, the hub needs to be disassembled when the lockset is checked and replaced, and a plurality of inconveniences exist.

According to the hub assembly provided by the utility model, the motor hub assembly 2, the lock end cover 3 and the lock 4 are arranged, wherein the motor hub assembly 2 is arranged on the shaft 1, the lock end cover 3 is sleeved on the shaft 1 and is detachably and fixedly connected with the motor hub assembly 2, and the lock 4 is arranged between the lock end cover 3 and the motor hub assembly 2, so that the motor hub assembly 2 and the shaft 1 are in a relatively fixed locking state and a relatively rotating unlocking state. So set up, install in motor wheel hub subassembly 2's the outside as an solitary accessory with tool to lock 4, realize the wheel hub 21 locking and the unblock function of motor through tool to lock 4, and conveniently dismantle the maintenance. Therefore, compared with the prior art, the hub assembly in the embodiment of the utility model has the advantage that the lock is arranged on the outer side of the motor hub assembly 2, so that the lock can be more conveniently overhauled.

Because the lock 4 is disposed outside the motor hub assembly 2, in order to enable the locking wire 451 of the lock 4 to pass through the lock end cover 3, as a more preferable embodiment, the hub assembly in the embodiment of the present invention is provided with the wire passing seat 5 and is fixedly connected with the shaft 1, the lock end cover 3 is sleeved on the wire passing seat 5, the wire passing seat 5 is provided with a locking wire passing hole 6 for communicating the inside and the outside of the end cover, and the locking wire 451 passes through the locking wire passing hole 6 to realize the power-on connection of the lock, as shown in fig. 2, in the present embodiment, the cross-sectional shape of the corresponding mounting position of the shaft 1 and the wire passing seat 5 is square.

In the above structure, the lock in the embodiment of the present invention is applied outside the hub, and as a preferred embodiment, in order to improve the sealing protection of the lock, the lock end cover in the embodiment of the present invention is hermetically connected with the wire passing seat 5. Specifically, the lock end cover 3 and the wire passing seat 5 are hermetically connected by a sealing member, as shown in fig. 3, a first sealing position 31 for installing a first sealing member 32 is disposed on the lock end cover 3 in the embodiment of the present invention.

In the above structure, the motor hub assembly 2 in the embodiment of the present invention includes a hub 21, a motor end cover 22 and a driving assembly 23, wherein the hub 21 is rotatably connected to the shaft 1, the motor end cover 22 is fixedly connected to the hub 21 and the lock end cover 3, and the driving assembly 23 is disposed between the motor end cover 22 and the hub 21. The shaft 1 in the embodiment of the utility model is a wheel axle corresponding to the hub 21 and is fixed and does not rotate, the hub 21 and the motor end cover 22 are rotatably sleeved on the shaft 1 through a bearing and are connected with a wheel spoke to rotate together with the wheel, and the driving assembly 23 drives the hub 21 to rotate so as to realize the rotation of the electrically driven wheel.

In the above structure, the motor end cover 22 in the embodiment of the present invention is fixedly installed on the hub 21, and the lock end cover 3 is fixedly connected to the motor end cover 22, or the lock end cover 3 and the motor end cover 22 are fixedly installed on the hub 21 together.

Specifically, the driving assembly 23 in the embodiment of the present invention includes a high-speed motor and a planetary reduction mechanism, and the high-speed motor drives the hub 21 to rotate electrically through the planetary reduction mechanism.

In the above-described configuration, as a more preferable embodiment, as shown in fig. 4, in order to facilitate the electrical connection of the driving unit 23 to the outside of the hub 21, the shaft 1 in the embodiment of the present invention is provided with the driving unit wire passing hole 7 for communicating the inside and the outside of the hub 21. In the present embodiment, the driving element wire 231 is embodied as a high-speed motor wire.

In order to waterproof seal the driving assembly 23, as a more preferable implementation of waterproofing, the motor end cover 22 and the hub 21 in the embodiment of the present invention, and the motor end cover 22 and the lock end cover 3 are in sealed connection, specifically, as shown in fig. 5, a second sealing position (not shown in the drawings) for installing a second sealing member 24 and a third sealing position for installing a third sealing member 25 are respectively provided at both sides of the motor end cover 22, wherein the motor end cover 22 and the lock end cover 3 are in sealed connection through the second sealing member 24, and the motor end cover 22 and the hub 21 are in sealed connection through the third sealing member 25.

Further, the first seal 32, the second seal 24, and the third seal in the embodiment of the present invention are specifically seal rings.

In the above structure, as shown in fig. 6, the lock 4 in the embodiment of the present invention includes a mounting plate 8 and a positioning locking mechanism, wherein the mounting plate 8 is fixedly connected to the shaft 1, and the positioning locking mechanism is mounted on the mounting plate 8. Specifically, the shaft 1 has a square cross-sectional shape corresponding to the mounting position of the mounting plate 8.

As a more preferable embodiment, the positioning and locking mechanism in the embodiment of the present invention includes a rotation output member 41, a locking member and a control component, wherein the rotation output member 41 is coaxially and fixedly connected to the lock end cover 3, a plurality of locking grooves are formed on a rotation circumference of the rotation output member 41, the locking member can lock and unlock the rotation output member 41, the locking member is movably disposed, a locking block capable of being inserted into and removed from the locking groove is disposed on the locking member, and the control component is configured to drive the locking member and control the locking member to reciprocate. Under the effect of control assembly, after the locking piece on the drive latch fitting is embedded into the locked groove, will rotate output member 41 and lock end cover 3 and lock together, because lock end cover 3 and fixed connection, mounting panel 8 and axle fixed connection, wheel hub 21 is in the locking state this moment, and after the locking piece on the drive latch fitting is deviate from the locked groove, wheel hub 21 is in the unblock state. Specifically, the rotary output member 41 in the embodiment of the present invention is a lock bush, and is connected to the lock end cover 3 to realize power transmission.

In the above structure, the locking member in the embodiment of the present invention includes the first locking member 42, the second locking member 43, and the opening and closing member 44; the first locking piece 42 and the second locking piece 43 are respectively and elastically hinged at two hinge points, a locking piece capable of being embedded into a locking groove is arranged on the first locking piece 42, the second locking piece 43 and the first locking piece 42 are mutually abutted at the other position outside the straight line where the two hinge points are located, and the locking piece on the first locking piece 42 is embedded into the locking groove of the rotary output piece 41; the switch member 44 is connected to the control assembly and has a first unlocking structure and a second unlocking structure for sequentially moving the second locking member 43 and the first locking member 42.

First latch fitting 42 and second latch fitting 43 are two swing components, and the swing point of two latch fittings is two pin joints on mounting panel 8 of elastic hinge respectively, and elastic hinge indicates that set up torsional spring or extension spring in the hinge point position of first latch fitting 42 or second latch fitting 43, and elasticity through the spring makes two latch fittings have elasticity resilience force around the pin joint respectively. Specifically, in the embodiment of the present invention, the first locking member 42 is connected to the mounting plate 8 by a first torsion spring 48, and the second locking member 43 is connected to the mounting plate by a second torsion spring 49.

Be equipped with the locking piece of embedding locked groove on first latch fitting 42, second latch fitting 43 and first latch fitting 42 another point position butt outside two pin joint place straight lines simultaneously, during the locking piece embedding locked groove of first latch fitting 42, second latch fitting 43 is under the effect of second torsional spring 49 elasticity resilience force with the fixed butt of first latch fitting 42, promptly first latch fitting 42, can form a triangle-shaped between two pin joints of second latch fitting 43 and the butt point, through triangular support between first latch fitting 42 and the second latch fitting 43, with the locking piece on the first latch fitting 42 imbed the locked groove reliably, realize the reliable locking to the lock bush.

Effective butt is realized through the structure of mutual gomphosis between first latch fitting 42 and the second latch fitting 43, is equipped with the lock angle in the butt position of first latch fitting 42, and the butt position of second latch fitting 43 is equipped with the locking bayonet socket, and the lock angle is fixed with the reliable gomphosis of locking bayonet socket when two latch fitting butts, and the angle and the opening direction of lock angle and locking bayonet socket should be guaranteed when first latch fitting 42 and second latch fitting 43 reverse swing, can break away from smoothly. The positional relationship between the locking angle and the locking bayonet can be exchanged between the two locking pieces. The unlocking of the first locking part 42 and the second locking part 43 is effected by the switching part 44. The switch 44 is a swing member, one end of the swing member is hinged, an unlocking structure for sequentially shifting the second locking piece 43 and the first locking piece 42 is arranged at a non-hinged point position, the second locking piece 43 is reversely shifted to release the position constraint of the second locking piece 43 on the first locking piece 42, then the first locking piece 42 is shifted, and the locking piece on the first locking piece 42 is separated from the locking groove on the rotary output piece 41 to complete unlocking.

Further, the control assembly in the embodiment of the present invention includes a control motor 45, wherein the control motor 45 is connected to the swing shaft of the switch member 44, and the switch member 44 is driven to swing back and forth by the forward and reverse rotation of the motor.

The control motor 45 can be directly connected with the swing shaft of the switch member 44, and the switch member 44 is driven to swing back and forth through the forward and reverse rotation of the motor, or as shown in this embodiment, the output end of the motor is connected with the control block 46, the control block 46 is connected with the output shaft of the control motor 45, the control motor 45 drives the control block 46 to do a rotation motion, a point on the rotation circumference of the control block 46 is connected with a non-hinge point of the switch member 44 through a control spring 47, the control block 46 rotates by a certain angle, then the control spring 47 drives the switch member 44 to swing by a certain angle, and the forward and reverse rotation of the motor 45 is controlled, so that the swing direction of the switch member 44 can be controlled.

The control spring 47 should have sufficient rigidity to pull and push the opening and closing member 44 to swing.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hub assembly, comprising,

a motor hub assembly (2) mounted on the shaft (1);

the locking end cover (3) is sleeved on the shaft (1) and is detachably and fixedly connected with the motor hub component (2);

locate lock end cover (3) with between motor hub subassembly (2) for motor hub subassembly (2) with have tool to lock (4) of relatively fixed locking state and relative pivoted unblock state between axle (1).

2. The hub assembly of claim 1, further comprising,

a wire passing seat (5) fixedly arranged on the shaft (1);

the locking wire passing hole (6) is arranged on the wire passing seat (5) and communicated with the inside and the outside of the locking end cover (3).

3. The hub assembly of claim 2,

the lock end cover (3) is connected with the wire passing seat (5) in a sealing mode.

4. The hub assembly of claim 3,

the motor hub component (2) comprises a motor hub component,

a hub (21) rotationally connected to the shaft (1);

the motor end cover (22) is fixedly connected with the hub (21) and the lock end cover (3);

and the driving component (23) is accommodated in the wheel hub (21) and the motor end cover (22) and drives the wheel hub (21) to rotate around the shaft (1).

5. The hub assembly of claim 4,

and a driving assembly line passing hole (7) which is communicated with the inside and the outside of the hub (21) is formed in the corresponding position of the shaft (1) and the driving assembly (23).

6. The hub assembly of claim 4,

the motor end cover (22) is connected with the hub (21) and the motor end cover (22) is connected with the lock end cover (3) in a sealing mode.

7. The hub assembly of any of claims 1-6,

the lock (4) comprises a lock body (4),

a mounting plate (8) fixedly connected with the shaft;

and the locking mechanism is arranged on the mounting plate (8).

8. The hub assembly of claim 7,

the locking mechanism comprises a locking mechanism and a locking mechanism,

the rotary output piece (41) is coaxially and fixedly connected with the lock end cover (3), and a plurality of lock grooves are formed in the rotary circumference of the rotary output piece (41);

9. The hub assembly of claim 8,

the locking piece comprises a first locking piece (42), a second locking piece (43) and a switch piece (44);

the first locking piece (42) and the second locking piece (43) are respectively and elastically hinged at two hinge points, a locking block capable of being embedded into a locking groove is arranged on the first locking piece (42), the second locking piece (43) and the first locking piece (42) are mutually abutted at the other point position outside the straight line where the two hinge points are located, and the locking block on the first locking piece (42) is embedded into the locking groove of the rotary output piece (41);

the switch piece (44) is connected with the control assembly and is provided with a first unlocking structure and a second unlocking structure which sequentially shift the second locking piece (43) and the first locking piece (42).

10. The hub assembly of claim 9,

the control component comprises a control component and a control component,

a control motor (45);

a control block (46) rotatably connected with the output end of the control motor (45),

and a control spring (47) for connecting a point on the rotation circumference of the control block (46) with a non-hinge point of the switch member (44).