CN217455513U

CN217455513U - Flower-drum assembly

Info

Publication number: CN217455513U
Application number: CN202221697850.8U
Authority: CN
Inventors: 李磊; 张卓
Original assignee: Ningbo Weilun Intelligent Technology Co ltd
Current assignee: Ningbo Weilun Intelligent Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-20
Anticipated expiration: 2032-06-28

Abstract

The application discloses flower-drum assembly, including mandrel, flower-drum body and transmission dish, flower-drum body cover is established the outside of mandrel and with the mandrel rotates relatively, be equipped with the race that supplies the wheel cover to establish on the flower-drum body, the transmission dish cover is established the outside of mandrel and with flower-drum body joint is fixed, be equipped with the brake face that offsets with the brake mechanism activity on the transmission dish. The utility model provides a flower-drum assembly utilizes the flower-drum body and realizes the independent dismouting of wheel rather than complex driving disc, has improved the dismouting efficiency of wheel.

Description

Flower-drum assembly

Technical Field

The application relates to the technical field of wheel installation parts, in particular to a hub assembly.

Background

The hub assembly is a wheel mounting component and is widely applied to frames of transportation tools such as bicycles, tricycles, electric vehicles and the like.

The existing hub assembly comprises a mandrel and a hub body, wherein the mandrel is arranged on one side of the bottom of a frame to provide a supporting function for the hub assembly, the hub body is rotatably arranged on the peripheral surface of the mandrel through a bearing, and wheels are fixedly sleeved on the outer side of the hub body to realize relative rotation with the mandrel. In order to improve the driving safety, one side of the hub body is also integrally provided with a brake drum, a brake mechanism matched with the brake drum is fixedly arranged on the mandrel, and the friction force between the brake mechanism and the brake drum is utilized to brake.

Above-mentioned flower-drum assembly is in the use, if the wheel needs to be changed or repair, need to carry out the dismouting again after detaching whole flower-drum assembly along with brake mechanism from the frame, the spare part that from this needs the dismouting is more for the dismouting of wheel is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

In order to solve the comparatively loaded down with trivial details problem of current flower-drum assembly messenger wheel dismouting, this application provides a flower-drum assembly, utilizes the flower-drum body and realizes the independent dismouting of wheel rather than the complex driving disc, has improved the dismouting efficiency of wheel.

The technical scheme is as follows:

the utility model provides a flower-drum assembly, includes mandrel, flower-drum body and transmission dish, flower-drum body cover is established the outside of mandrel and with the mandrel rotates relatively, be equipped with the race that supplies the wheel cover to establish on the flower-drum body, the transmission dish cover is established the outside of mandrel and with flower-drum body joint is fixed, be equipped with the brake face that offsets with the brake mechanism activity on the transmission dish.

By adopting the technical scheme, when the wheel needs to be disassembled, the hub body fixed with the wheel can be disassembled from one end of the mandrel only by separating the hub body from the transmission disc, and then the wheel and the hub body are disassembled; when the hub needs to be installed, the wheel fixing sleeve is firstly arranged on the hub body, and then the hub body is sleeved on the mandrel to be fixedly connected with the transmission disc in a clamping mode. Therefore, the wheel can be replaced without disassembling and assembling components such as a brake mechanism, and the disassembling and assembling efficiency of the wheel is effectively improved.

Preferably, one side of the hub body is provided with a rotation stopping groove, and the transmission disc is provided with a rotation stopping block matched with the rotation stopping groove.

Through adopting above-mentioned technical scheme, the groove that splines and the cooperation of the piece that splines enable the flower-drum body and drive plate relatively fixed so that synchronous revolution, its simple structure makes things convenient for quick split and the joint of flower-drum body and drive plate to be fixed.

Preferably, the hub further comprises a clamp spring, the clamp spring is arranged between the hub body and the transmission disc, and a clamping groove for the clamp spring to be clamped is formed in the mandrel.

Through adopting above-mentioned technical scheme, the jump ring makes and has certain clearance between flower-drum body and the transmission dish, for flower-drum body and transmission dish expend with heat and contract with cold and improve deformation space, can also reduce the possibility that takes place to bond between the two simultaneously, makes things convenient for the quick split of flower-drum body and transmission dish.

Preferably, a limiting piece is arranged on the mandrel, and the transmission disc is limited between the snap spring and the limiting piece.

Through adopting above-mentioned technical scheme, locating part and jump ring are spacing respectively in the relative both sides of driving plate, and then can reduce the driving plate and make a round trip to move along the axis direction of mandrel at rotatory in-process.

Preferably, a fastening member is connected to the end of the spindle on the side of the hub body away from the transmission disc, and the hub body is axially limited on the spindle by the fastening member.

Through adopting above-mentioned technical scheme, the flower-drum body passes through the fastener axial spacing on the mandrel, and its simple structure, easy dismounting can further improve the dismouting efficiency of wheel.

Preferably, a washer is arranged between the fastening piece and the hub body.

Through adopting above-mentioned technical scheme, the packing ring can fill the clearance between fastener and the flower-drum body, guarantees the good limiting displacement of fastener, and the flower-drum body of being convenient for rotates on the dabber steadily.

Preferably, be equipped with first spacing groove and second spacing groove on the inside wall of packing ring, first spacing groove and second spacing groove interval set up and are located the relative both sides of packing ring, first spacing groove is suitable for the confession the tip card of mandrel is gone into, the second spacing groove is suitable for the confession the head card of fastener is gone into.

Through adopting above-mentioned technical scheme, the offering of first spacing groove and second spacing groove makes the packing ring form an annular structure between mandrel tip and fastener head, avoids fastener head and mandrel tip rigidity butt from this, has increased the structural stability between fastener and mandrel and the flower-drum body simultaneously.

Preferably, a sleeve is threadedly attached to the mandrel at an end remote from the fastener.

Through adopting above-mentioned technical scheme, telescopic structure can be changed the adjustment according to the installation needs of frame, and it is required that the flower-drum assembly that makes this application can satisfy different frames from this, has increased the practicality of flower-drum assembly.

Preferably, at least two bearings are arranged on the inner side walls of the hub body and the transmission disc at intervals.

Through adopting above-mentioned technical scheme, a plurality of bearings enable flower-drum body and driving disc to rotate more steadily.

Preferably, a limit ring is arranged between every two adjacent bearings.

Through adopting above-mentioned technical scheme, the spacing ring is established between two adjacent bearings, can prevent that the bearing is close to each other in the use, guarantees from this that flower-drum body and driving disc can steady rotation.

In summary, the present application has the following beneficial effects:

1. the utility model provides a flower-drum assembly utilizes the flower-drum body and realizes the independent dismouting of wheel rather than complex driving disc, has improved the dismouting efficiency of wheel.

2. The utility model provides a hub assembly preferably adopts jump ring and locating part to carry out the axial spacingly to the driving disk, adopts jump ring and locating part to carry out the axial spacingly to the hub, recycles a plurality of bearing cooperation spacing rings, has effectively increased hub and driving plate at the stationarity of rotation in-process, satisfies the transmission requirement to the wheel.

3. The utility model provides a still be equipped with the sleeve in the flower-drum assembly, the adjustment is changed to the installation demand that can cooperate the frame, has increased the practicality of flower-drum assembly.

Drawings

FIG. 1 is a schematic structural diagram of a hub assembly of an embodiment of the present application applied to a tricycle;

FIG. 2 is a schematic structural diagram of a hub assembly according to an embodiment of the present application;

FIG. 3 is a first schematic diagram illustrating an exploded view of a hub assembly according to an embodiment of the present disclosure;

FIG. 4 is a second schematic diagram illustrating an exploded view of the hub assembly of the present application;

fig. 5 is a schematic view of the internal structure of the hub assembly according to the embodiment of the present application.

Description of reference numerals:

1. a mandrel; 11. a card slot; 12. a limiting member; 2. a hub body; 21. a wheel groove; 22. a rotation stopping groove; 23. a first mounting groove; 3. a drive plate; 31. a braking surface; 32. a rotation stopping block; 33. a second mounting groove; 4. a clamp spring; 5. a fastener; 6. a gasket; 61. a first limit groove; 62. a second limit groove; 7. a bearing; 8. a limiting ring; 9. a sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-4 and the embodiments.

The embodiment of the application discloses a hub assembly, which is suitable for being applied to a tricycle shown in figure 1 and can be applied to transportation tools such as bicycles, electric vehicles and the like.

The hub assembly of the present application is seen in fig. 2 and comprises a spindle 1, a hub body 2 and a drive disc 3. The hub body 2 is a cylinder body, which is sleeved outside one end of the mandrel 1 and rotates relative to the mandrel 1, and the middle part of the hub body 2 is provided with a wheel groove 21 for sleeving wheels. The transmission disc 3 is sleeved on the outer side of the mandrel 1 and is fixedly clamped with the hub body 2, the outer peripheral surface of the transmission disc 3 is a brake surface 31 and is suitable for being movably abutted to a brake mechanism, and therefore the transmission disc 3 is utilized for braking. From this, this embodiment only needs when changing the wheel with the split of flower-drum body 2 and driving disc 3, can save the dismouting of parts such as brake mechanism, has effectively improved the dismouting efficiency of wheel.

Referring to fig. 3 and 4, in order to facilitate the quick separation of the hub body 2 and the transmission disc 3, the rotation stopping groove 22 is formed in one side of the hub body 2, the shape of the rotation stopping groove is adjusted according to design requirements, a plurality of grooves arranged at intervals can also be adopted for forming the rotation stopping groove, the transmission disc 3 is provided with a rotation stopping block 32 matched with the rotation stopping groove 22, and the purpose that the hub body 2 and the transmission disc 3 can be fixed relatively to rotate synchronously can be achieved.

Be equipped with a jump ring 4 between flower-drum body 2 and the transmission dish 3, jump ring 4 makes and has certain clearance between flower-drum body 2 and the transmission dish 3, for flower-

drum body

2 and 3 expend with heat and contract with cold of transmission dish improve the deformation space, can also reduce the possibility that takes place to bond between the two simultaneously, makes things convenient for the quick split of flower-drum body 2 and transmission dish 3. The mandrel 1 is provided with a clamping groove 11 for clamping the clamping spring 4, so that the clamping spring 4 is located at the only position on the mandrel 1. The mandrel 1 is further integrally provided with a limiting piece 12, and the limiting piece 12 is located on one side of the transmission disc 3 away from the clamp spring 4. In the figure of the embodiment, an annular limiting member 12 is specifically shown, and the transmission disc 3 is limited between the snap spring 4 and the limiting member 12, so that the back-and-forth movement of the transmission disc 3 along the axial direction of the mandrel 1 in the rotating process can be reduced.

The end of the spindle 1 on the side of the hub body 2 remote from the transmission disc 3 is connected with a fastening element 5. This fastener 5 this embodiment specifically takes the bolt as an example to show, sets up the screw that supplies this fastener 5 screw to wear to establish on the mandrel 1, and the flower-drum body 2 passes through 5 axial spacing on mandrel 1 of fastener, and its simple structure, easy dismounting can further improve the dismouting efficiency of wheel. The mandrel 1 is connected with a sleeve 9 at one end far away from the fastener 5 through threads, and the structure of the sleeve 9 can be changed and adjusted according to the installation requirements of the frame, so that the hub assembly can meet the requirements of different frames, and the practicability of the hub assembly is improved.

A washer 6 is arranged between the fastening piece 5 and the hub body 2, and the washer 6 is wholly embedded in the inner side of the hub body 2 and filled between the fastening piece 5 and the hub body 2, so that the fastening piece 5 can be well limited, and the hub body 2 can be conveniently and stably rotated on the mandrel 1.

The inner side wall of the gasket 6 is provided with a first limiting groove 61 and a second limiting groove 62, and the first limiting groove 61 and the second limiting groove 62 are arranged at intervals and are positioned at two opposite sides of the gasket 6, so that the gasket 6 protrudes towards the central axis 1 to form an annular structure. Wherein the first limit groove 61 is adapted for the end of the spindle 1 to be snapped in, and the second limit groove 62 is adapted for the head of the fastening member 5 to be snapped in. When the fastener 5 is tightened on the mandrel 1, the annular formation on the washer 6 is sandwiched between the end of the mandrel 1 and the head of the fastener 5, thereby avoiding a rigid abutment of the head of the fastener 5 with the end of the mandrel 1, and increasing the structural stability between the fastener 5 and the mandrel 1 and the hub body 2.

With reference to fig. 5, at least two bearings 7 are disposed on the inner side walls of the hub body 2 and the transmission disc 3 at intervals, and the design of the bearings 7 enables the hub body 2 and the transmission disc 3 to rotate more stably. In this embodiment, two bearings 7 are installed in the hub body 2 and the transmission disc 3, the inner wall of the hub body 2 is provided with a first mounting groove 23 for the axial clamping of the outer ring of the bearing 7, and the two opposite sides of the inner wall of the transmission disc 3 are respectively provided with a second mounting groove 33 for the axial clamping of the outer ring of the bearing 7.

Wherein, packing ring 6 is suitable for imbedding in the first mounting groove 23 that transmission disc 3 one end was kept away from to drum body 2 and offsets with the bearing 7 inner circle in the inslot, and it can reduce packing ring 6 to drum body 2 pivoted influence, can effectively carry out axial spacing to drum body 2 again. The inner ring of the bearing 7 on one side of the transmission disc 3 facing the limiting part 12 is abutted against the limiting part 12 so as to realize the axial limiting of the transmission. In addition, the same limiting ring 8 is arranged between two adjacent bearings 7, and the limiting rings 8 are respectively abutted against the inner rings of the bearings 7. Therefore, the outer ring and the inner ring of the bearing 7 are limited in the axial direction, and the stable rotation of the hub body 2 and the transmission disc 3 can be better ensured.

The implementation principle of the embodiment of the application is as follows:

when the wheel is installed, the two bearings 7 and the limiting ring 8 can be clamped into the transmission disc 3 in advance, the transmission disc 3 is sleeved on the mandrel 1 and abuts against the limiting part 12, and the snap spring 4 is clamped into the clamping groove 11, so that the transmission disc 3 is clamped between the snap spring 4 and the limiting part 12. After the spindle 1 is passed through the frame, the spindle 1 is fixed by a sleeve. Then the hub fixed with the wheel is sleeved at one end of the mandrel 1 far away from the sleeve, the hub body 2 is preliminarily positioned by using the gasket 6, and finally the fastening piece 5 is pressed against the gasket 6 to complete the installation of the wheel.

When tearing open the wheel, unscrew fastener 5, again to keeping away from 3 one side axial pulling flower-drum bodies 2 of driving disc, alright part flower-drum bodies 2 and driving disc 3, with the wheel with the 2 splits of flower-drum body can, its dismouting that can save parts such as brake mechanism has effectively improved the dismouting efficiency of wheel.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a flower-drum assembly, its characterized in that includes mandrel (1), flower-drum body (2) and transmission dish (3), flower-drum body (2) cover is established the outside of mandrel (1) and with mandrel (1) rotates relatively, be equipped with race (21) that supply the wheel cover to establish on flower-drum body (2), transmission dish (3) cover is established the outside of mandrel (1) and with flower-drum body (2) joint is fixed, be equipped with brake face (31) that offset with the brake mechanism activity on transmission dish (3).

2. The hub assembly of claim 1, wherein: a rotation stopping groove (22) is formed in one side of the hub body (2), and a rotation stopping block (32) matched with the rotation stopping groove (22) is arranged on the transmission disc (3).

3. The hub assembly of claim 1, wherein: still include jump ring (4), jump ring (4) are established flower-drum body (2) with between drive plate (3), be equipped with the confession on mandrel (1) draw-in groove (11) that jump ring (4) card was gone into.

4. A hub assembly according to claim 3, wherein: the mandrel (1) is provided with a limiting piece (12), and the transmission disc (3) is limited between the clamp spring (4) and the limiting piece (12).

5. The hub assembly of claim 1, wherein: the end part of the mandrel (1) on one side, away from the transmission disc (3), of the hub body (2) is connected with a fastening piece (5), and the hub body (2) is axially limited on the mandrel (1) through the fastening piece (5).

6. The hub assembly of claim 5, wherein: a washer (6) is arranged between the fastener (5) and the hub body (2).

7. The hub assembly of claim 6, wherein: be equipped with first spacing groove (61) and second spacing groove (62) on the inside wall of packing ring (6), first spacing groove (61) and second spacing groove (62) interval set up and are located the relative both sides of packing ring (6), first spacing groove (61) are suitable for the confession the tip of mandrel (1) is gone into, second spacing groove (62) are suitable for the confession the head card of fastener (5) is gone into.

8. The hub assembly of claim 5, wherein: the end of the mandrel (1) far away from the fastener (5) is connected with a sleeve (9) in a threaded mode.

9. The hub assembly of claim 1, wherein: the hub body (2) and the inner side wall of the transmission disc (3) are provided with at least two bearings (7) at intervals.

10. The hub assembly of claim 9, wherein: a limiting ring (8) is arranged between every two adjacent bearings (7).