CN219406023U

CN219406023U - Hub positioning structure for bicycle hub

Info

Publication number: CN219406023U
Application number: CN202320861740.9U
Authority: CN
Inventors: 谭阳春; 王宇峰; 谭诗俊
Original assignee: Foshan Meilihao Bicycle Accessories Co ltd
Current assignee: Foshan Meilihao Bicycle Accessories Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-25
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a hub positioning structure for a bicycle hub, which belongs to the field of bicycles and comprises a positioning ring, a first connecting piece perpendicular to the positioning ring and a fixing assembly. The positioning ring is connected with the hub through the first connecting piece, so that the connection stability between the positioning ring and the hub is improved, the positioning ring is connected with the hub sleeve through the fixing assembly, and even if the central shaft of the positioning ring, the shaft lever of the hub and the central shaft of the hub sleeve coincide, the positioning of the hub in the hub sleeve is realized, and the concentricity of the hub and the hub is ensured.

Description

Hub positioning structure for bicycle hub

Technical Field

The utility model relates to the field of bicycle wheels, in particular to a hub positioning structure for a bicycle hub.

Background

The wheel of the existing bicycle comprises a hub and a hub, and the hub is a quite important component in the wheel of the bicycle, so that the hub is required to be positioned in order to enable the wheel of the bicycle to rotate freely and smoothly, and concentricity of the hub and the hub is ensured.

Chinese patent publication No. CN209552831U, publication No. 2019, 10-29, entitled "hidden-button bicycle wheel set", discloses a hidden-button bicycle wheel set comprising an integrated wheel set and an inner three-speed wheel for spoked wheels. Wherein the integrated wheel set is a hub, and the spoke wheel is an inner three-speed hub. The integrated wheel set comprises a wheel set hole, namely a wheel hub sleeve, wherein the wheel set hole comprises a plurality of hidden lock locks arranged on the periphery of the outer parts of the front end and the rear end, and when the hidden lock locks are connected with the integrated wheel set through screws, the hidden lock locks can freely move by taking the screws as round points. When a user needs to place the inner three-speed spoke wheel in the wheel group hole of the integrated wheel group, the screw of the hidden lock is loosened, then the hidden lock is rotated to rotate to the outer end, the inner three-speed spoke wheel is placed in the wheel group hole, then the hidden locks are moved to the inner three-speed spoke wheel end one by one, and the hidden lock is locked through the screw.

In the prior art that above-mentioned shows, carry out spacingly to the interior three-speed for the spoked wheel through a plurality of built-in lock, its shortcoming is that single built-in lock is not high with the connection stability of interior three-speed for the spoked wheel, and after the long-time jolt of bicycle was used, the single built-in lock through screw connection takes place not hard up skew easily, influences the location effect to interior three-speed for the spoked wheel to the concentricity of interior three-speed for the spoked wheel and integrative wheelset has been influenced, makes the bicycle wheel can not freely smoothly rotate.

Disclosure of Invention

In order to enable the bicycle wheel to freely and smoothly rotate, the influence on the positioning effect of the hub when the bicycle is used for jolting for a long time is reduced, concentricity of the hub and the hub is ensured, and the hub positioning structure for the bicycle hub is provided.

The application provides a hub location structure for bicycle hub adopts following technical scheme:

the utility model provides a flower-drum location structure for bicycle wheel hub includes holding ring, and a plurality of holding ring looks vertically connecting piece one and fixed subassembly, the holding ring cover is established in the periphery side of axostylus axostyle and is located the one side that the packing ring deviates from the disc, the holding ring is along annular offered with the round hole size and the corresponding connecting hole in position on the disc, the external diameter of connecting piece one equals the diameter of connecting hole, the connecting piece is passed simultaneously connecting hole, round hole and packing ring hole will the holding ring is connected with the flower-drum, the holding ring passes through fixed subassembly and wheel hub sleeve connection make the center pin of holding ring coincides with the center pin of wheel hub sleeve.

Through adopting above-mentioned technical scheme, a plurality of connecting piece passes simultaneously connecting hole, round hole and packing ring hole are connected locating ring and flower-drum, through the cooperation and the spacing of connecting piece one and round hole, make the center pin of flower-drum and the center pin coincidence of locating ring. The positioning ring is connected with the hub sleeve through the fixing component, so that the central shaft of the positioning ring coincides with the central shaft of the hub sleeve. The central shaft of the hub sleeve is overlapped with the central shaft of the hub sleeve, so that the hub sleeve is positioned in the hub sleeve, and concentricity of the hub and the hub is ensured. And a plurality of first connecting pieces pass through the connecting holes on the positioning ring, and the positioning ring connects the first connecting pieces into a whole, so that the occurrence of the condition of drum deflection caused by loosening of a single first connecting piece is reduced, and the connection stability between the positioning ring and the drum is improved.

Optionally, the first connecting piece is a rivet or an expansion bolt.

Through adopting above-mentioned technical scheme, when connecting piece one chooses for use rivet or expansion bolts, the holding ring is not detachable with the flower-drum, has not only improved the theftproof performance of flower-drum, has improved the connection stability of flower-drum moreover, has reduced the circumstances emergence of flower-drum skew because of connecting piece one becomes flexible leads to.

Optionally, the fixed subassembly is including being located the periphery side of holding ring and along a plurality of spacing piece of holding ring radial extension, a plurality of stopper and the connecting piece second of the periphery side that is located hub sleeve both ends, the spacing piece with the center pin of holding ring is the centre of a circle evenly distributed, the stopper with the spacing piece corresponds, the stopper with pass through between the spacing piece connecting piece second.

Through adopting above-mentioned technical scheme, the spacing piece uses the center pin of holding ring as centre of a circle evenly distributed, and the spacing piece on the holding ring passes through the connecting piece two and is connected with the stopper that hub sleeve corresponds, makes the holding ring location in the position of the coincidence of the center pin of holding ring and hub sleeve, realizes the location and the fixed of holding ring on hub sleeve.

Optionally, a limit groove adapted to the limit piece is formed on one side of the limit block away from the hub.

Through adopting above-mentioned technical scheme, the spacing piece on the locating ring is put into the spacing inslot that the stopper of hub sleeve outside was offered, can fix a position the locating ring in hub sleeve's position fast, makes the center pin of locating ring can coincide with hub sleeve's center pin fast. And when the second connecting piece is loosened after the bicycle is jolt for a long time, the limiting block can still position the limiting piece in the limiting groove, so that the occurrence of the offset condition of the positioning ring caused by the loosening of the second connecting piece is reduced, and the positioning effect of the positioning ring is further improved.

Optionally, the first connecting piece is worn to locate the connecting hole and with holding ring fixed connection, just the first connecting piece is worn to pass the round hole is connected with the disc can be dismantled, spacing piece with the stopper passes through the second connecting piece and can be dismantled and be connected.

Through adopting above-mentioned technical scheme, the holding ring connects a plurality of connecting piece one and connecting piece two into a whole, has reduced the circumstances emergence of the flower-drum skew because of single connecting piece one or single connecting piece two are not hard up leads to, has improved the connection stability between flower-drum and the holding ring and between holding ring and the wheel hub sleeve. And the positioning ring is detachably connected with the hub sleeve and the hub sleeve, so that the hub can be quickly detached or replaced.

Optionally, the first connecting piece is a pin or a bolt, and the second connecting piece is a screw or a bolt.

By adopting the technical scheme, the pin is fixedly connected with the connecting hole on the positioning ring. When the hub is installed, the pin is inserted into the corresponding round hole, so that the positioning ring is positioned on the hub, and the limiting piece on the positioning ring is connected with the limiting block on the hub sleeve through the screw, so that the hub sleeve is positioned on the positioning ring. Because the spacing piece is through screwed connection between stopper, belongs to and can dismantle the connection, then the accessible unscrews the screw, draws locating ring and pin, alright dismantle and change fast to the flower-drum.

Optionally, the outer diameter of the positioning ring is the same as the inner diameter of the hub sleeve, and the inner diameter of the positioning ring is the same as the outer diameter of the ratchet group of the hub.

Through adopting above-mentioned technical scheme, when the locating ring cover established the flower-drum outside, the annular shell of locating ring formed dustproof baffle, stopped debris such as most dust entering hub sleeve in, reduced the influence of debris such as dust to the flower-drum in the hub sleeve.

In summary, the embodiment of the present application has at least one of the following advantages:

1. by using the positioning ring, the first connecting piece and the second connecting piece, the connection stability between the hub and the hub is improved.

2. The dustproof effect in the hub sleeve is improved, and the influence of sundries such as dust on the hub is reduced.

3. The hub is not easy to detach, so that the anti-theft effect of the bicycle wheel is improved.

4. The flower-drum is easy to detach, and can be quickly disassembled, repaired or maintained.

Drawings

Fig. 1 is an exploded view of a bicycle wheel set.

FIG. 2 is a front elevational view of a hub positioning structure for a bicycle hub.

Fig. 3 is an exploded view of a hub and hub mounting structure in accordance with the first embodiment.

Fig. 4 is an exploded view of a hub and hub mounting structure in a second embodiment.

Reference numerals illustrate:

1. a hub; 11. a hub sleeve; 2. a flower drum; 21. a shaft sleeve; 22. a disc; 23. a shaft lever; 24. a round hole; 25. ratchet group; 3. a gasket; 31. a gasket hole; 4. a positioning ring; 41. a connection hole; 5. a first connecting piece; 6. a fixing assembly; 61. a limiting piece; 62. a limiting block; 621. a limit groove; 63. and a second connecting piece.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

A bicycle wheel set structure. Referring to fig. 1, a bicycle wheel set includes a hub 1, a hub 2 and a washer 3. The hub 1 is provided with a hub sleeve 11 in the center, the hub 2 is arranged in the hub sleeve 11 in a penetrating mode, and the hub 2 is fixed on the central shaft of the hub sleeve 11 through a positioning structure. The hub 2 comprises a shaft sleeve 21, a disc 22 and a shaft rod 23, wherein the shaft rod 23 is coincident with the central shaft of the hub 2, the shaft sleeve 21 and the disc 22 are sleeved on the outer circumferential side of the shaft rod 23, the disc 22 is positioned at two ends of the shaft sleeve 21, and the disc 22 takes the shaft rod 23 as the center of a circle and is uniformly provided with a plurality of round holes 24 along the circumference. The side of the disc 22 facing away from the shaft sleeve 21 is also connected with a ratchet wheel set 25, and the diameter of the ratchet wheel set 25 is smaller than that of the disc 22. The washer 3 is tightly attached to the side of the disc 22 facing away from the shaft sleeve 21, and a washer hole 31 corresponding to the round hole 24 is formed in the washer 3.

Example 1

An embodiment of the application discloses a flower-drum location structure for bicycle wheel hub for fix a position the flower-drum 2 of above-mentioned bicycle wheel group, make flower-drum 2 fix on the center pin of hub sleeve 11 when using.

Referring to fig. 2, a hub positioning structure for a bicycle hub includes a positioning ring 4, a plurality of connecting members 5 connecting the positioning ring 4 with a hub 2, and a fixing assembly 6 connecting the positioning ring 4 with a hub sleeve 11.

Referring to fig. 2 and 3, the positioning ring 4 is sleeved on the outer peripheral side of the shaft 23 and is positioned on the side of the washer 3 facing away from the disc 22. Wherein, the positioning ring 4 is provided with a plurality of connecting holes 41 along the ring shape, and the connecting holes 41 correspond to the round holes 24 on the disc 22 in size and position. When the hub 2 is installed, the hub 2 is penetrated into the hub sleeve 11, then the positioning ring 4 is sleeved on the outer peripheral side of the shaft lever 23 of the hub 2, and the positioning ring 4 is rotated, so that the connecting hole 41 of the positioning ring 4 is aligned with the round hole 24 of the disc 22, and the shaft lever 23 of the hub 2 is overlapped with the central shaft of the positioning ring 4.

The first connecting pieces 5 vertically penetrate through the corresponding connecting holes 41, the gasket holes 31 and the round holes 24 to connect the disc 22, the gasket 3 and the positioning ring 4 with each other, the outer diameter of the first connecting pieces 5 is equal to the diameter of the connecting holes 41, and the hub 2 is fixed at the position where the central axes of the shaft rod 23 and the positioning ring 4 coincide through the matching and limiting of the first connecting pieces 5 and the round holes 24. The first connecting piece 5 may be a rivet or an expansion bolt, i.e. the disc 22 and the positioning ring 4 are connected in a non-detachable manner, in this embodiment, the first connecting piece 5 is exemplified by a rivet. At this time, the positioning ring 4 and the hub 2 are not easy to be disassembled, so that the anti-theft performance of the hub 2 is improved, the connection stability between the hub 2 and the positioning ring 4 is improved through non-detachable connection such as riveting, and the occurrence of the offset condition of the hub 2 caused by loosening of the individual connecting pieces 5 is reduced.

Referring to fig. 2 and 3, the fixing assembly 6 includes a plurality of limiting pieces 61 located on the outer peripheral side of the positioning ring 4 and extending radially along the positioning ring 4, a plurality of limiting pieces 62 located on the outer peripheral side of two ends of the hub sleeve 11, and a second connecting piece 63, wherein the limiting pieces 61 are uniformly distributed with the central axis of the positioning ring 4 as the center of a circle, and the limiting pieces 61 correspond to the limiting pieces 62. The position of the positioning ring 4 is adjusted to enable the limiting block 62 to correspond to the limiting piece 61, and the second connecting piece 63 penetrates through the limiting block 62 and the limiting piece 61 to enable the positioning ring 4 to be positioned at the position where the central axis of the positioning ring 4 and the central axis of the hub sleeve 11 coincide with each other. Specifically, the second connecting member 63 may be a rivet, an expansion bolt, or the like, that is, the positioning ring 4 is detachably connected to the hub sleeve 11, and in this embodiment, the second connecting member 63 is exemplified by a rivet. At this time, the positioning ring 4 is not easy to detach from the hub sleeve 11, so that the anti-theft performance of the hub 2 is further improved, the connection stability between the positioning ring 4 and the hub sleeve 11 is improved through non-detachable connection such as riveting, and the occurrence of the condition that the hub 2 is offset due to the fact that the positioning ring 4 is offset caused by loosening of the second connecting piece 63 is reduced.

In order to further limit the positioning ring 4, the positioning ring 4 can be positioned quickly, and a limiting groove 621 is formed in one side of the limiting block 62, which faces away from the hub 1. The limiting piece 61 can be placed in the limiting groove 621 on the corresponding limiting block 62. Because the limiting pieces 61 are uniformly distributed by taking the central shaft of the positioning ring 4 as the center of a circle, and the limiting pieces 61 are correspondingly limited by the limiting pieces 61 through the limiting grooves 621 on the limiting pieces 62, the positioning ring 4 can be rapidly positioned at the position where the central shaft of the positioning ring 4 coincides with the central shaft of the hub sleeve 11.

Referring to fig. 2 and 3, in order to reduce the influence of dust and other impurities entering the inside of the hub sleeve 11 on the hub 2, the outer circumferential radius of the positioning ring 4 is the same as the inner diameter of the hub sleeve 11, the inner circumferential radius of the positioning ring 4 is the same as the ratchet group 25, and the positioning ring 4 is sleeved on the outer circumferential side of the ratchet group 25 without affecting the rotation of the ratchet group 25. After the positioning ring 4 is connected with the hub sleeve 11 through the second connecting piece 63, the positioning ring 4 forms a dustproof baffle, so that most of sundries such as dust are prevented from entering the hub sleeve 11, and the influence of the sundries such as dust on the hub 2 in the hub sleeve 11 is reduced.

The first implementation principle of the hub positioning structure for the bicycle hub is as follows:

when the hub 2 is installed, after the hub 2 is penetrated in the hub sleeve 11, the gasket 3 is closely attached to one side of the disc 22 away from the shaft sleeve 21, and the position of the gasket 3 is adjusted so that the round hole 24 and the gasket hole 31 correspond to each other. The limiting piece 61 on the positioning ring 4 is clamped into the limiting groove 621 formed in the limiting block 62 on the outer side of the hub sleeve 11, the position of the hub 2 is adjusted, the round hole 24 on the disc 22, the connecting hole 41 on the positioning ring 4 and the gasket hole 31 on the gasket 3 are mutually corresponding, rivets penetrate through the round hole 24, the connecting hole 41 and the gasket hole 31 at the same time, the disc 22 is connected with the positioning ring 4, and the hub 2 is fixed at the position where the central shaft 23 coincides with the central shaft of the positioning ring 4. The positioning ring 4 is fixed to the outer sides of both ends of the hub sleeve 11 by connecting the stopper pieces 61 and the stopper pieces 62 with rivets.

Compared with the prior art, in the first embodiment, the positioning ring 4 is connected with the hub 2 and the hub sleeve 11 in a non-detachable manner, so that the connection stability of the hub 2 is improved, and the occurrence of offset caused by loosening of the first connecting piece 5 or the second connecting piece 63 of the hub 2 is reduced.

Example two

In contrast to the first embodiment, the connection between the positioning ring 4 and the hub 2 and the connection between the positioning ring 4 and the hub sleeve 11 are changed from non-detachable connection to detachable connection, so that the hub 2 can be quickly detached for maintenance or replacement while maintaining positioning.

Referring to fig. 4, the first connecting member 5 is inserted through the connecting hole 41 and fixedly connected with the positioning ring 4, and the first connecting member 5 is detachably connected with the disc 22 through the circular hole 24. Wherein the outer diameter of the first connector 5 is equal to the diameter of the circular hole 24. The first connector 5 may be a pin, a bolt, or the like, and the second connector 63 is exemplified by a pin in the present embodiment. Specifically, when the hub 2 is installed, a plurality of pins penetrate through the washer hole 31 and the round hole 24 to connect the disc 22, the washer 3 and the positioning ring 4 with each other, so as to position the hub 2 at a position where the shaft rod 23 coincides with the central axis of the positioning ring 4. At this time, the positioning ring 4 connects the plurality of first connecting pieces 5 into a whole, compared with the prior art that a plurality of groups of single hidden fasteners are used for positioning the flower-drum 2, the connection stability between the flower-drum 2 and the positioning ring 4 is improved, and the occurrence of the condition that the flower-drum 2 is deviated due to the loosening of the single first connecting pieces 5 is reduced. And the positioning ring 4 and the flower drum 2 are easy to disassemble, so that the flower drum 2 can be quickly disassembled or replaced.

The limiting block 62 on the hub sleeve 11 is connected with the limiting piece 61 on the positioning ring 4 through a second connecting piece 63. In this embodiment, the first connecting piece 5 may be a screw or a bolt, and in this embodiment, the second connecting piece 63 is exemplified by a screw, and specifically, when the limiting piece 61 is placed in the limiting groove 621 on the corresponding limiting block 62, the central axis of the positioning ring 4 and the central axis of the hub sleeve 11 are mutually overlapped, and the hub 1 and the positioning ring 4 are detachably connected by connecting the limiting piece 61 and the limiting block 62 through the screw. At this time, the positioning ring 4 connects the plurality of second connecting pieces 63 into a whole, compared with the prior art that a plurality of groups of single hidden fasteners are fixed by screws, the connection stability of the positioning ring 4 between the hub sleeves 11 is improved, and the occurrence of the condition that the positioning ring 4 is deviated due to loosening of the single second connecting pieces 63, so that the hub 2 is deviated is reduced.

The implementation principle of the hub positioning structure for the bicycle hub in the second embodiment of the application is as follows:

when the hub 2 is installed, after the hub 2 is placed in the hub sleeve 11, the gasket 3 is placed close to one side of the disc 22 away from the hub 2, and the positions of the gasket 3 are adjusted so that the round holes 24 and the gasket holes 31 correspond to each other. The position of the hub 2 is adjusted so that the round hole 24 on the disc 22 corresponds to the first connecting piece 5 fixedly connected to the positioning ring 4. The hub 2 and the positioning ring 4 are connected by a pin penetrating through the washer hole 31 and the round hole 24, so that the central axis of the disc 22 is coincident with the central axis of the positioning ring 4. The position of the positioning ring 4 is adjusted, so that the limiting piece 61 on the positioning ring 4 is clamped into the limiting groove 621 formed in the corresponding limiting piece 62 on the hub sleeve 11, the positioning ring 4 is connected with the hub sleeve 11 through the limiting piece 61 and the limiting piece 62 in a screw connection mode, and the mutual coincidence of the central axis of the positioning ring 4 and the central axis of the hub sleeve 11 is achieved.

Compared with the prior art, the positioning ring 4 in the second embodiment connects the first connecting piece 5 and the second connecting piece 63 into a whole, so that the connection stability between the hub 2 and the positioning ring 4 and between the positioning ring 4 and the hub sleeve 11 is improved, and the occurrence of the condition of shift of the hub 2 caused by loosening of the first connecting piece 5 or the second connecting piece 63 is reduced. And the positioning ring 4 is detachably connected with the hub 2 and the hub sleeve 11, so that the hub 2 can be quickly detached or replaced.

The present embodiment is merely illustrative of the present application and is not limiting of the present application, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as necessary, but are protected by patent laws within the scope of the claims of the present application.

Claims

1. A flower-drum location structure for bicycle hub, its characterized in that: the positioning device comprises a positioning ring (4), a first connecting piece (5) and a fixing assembly (6), wherein the first connecting piece is perpendicular to the positioning ring (4), the positioning ring (4) is sleeved on the outer peripheral side of a shaft rod (23) and is positioned on one side of a gasket (3) deviating from a disc (22), connecting holes (41) corresponding to round holes (24) in size and position on the disc (22) are formed in the positioning ring (4) along the annular shape, the outer diameter of the first connecting piece (5) is equal to the diameter of the connecting holes (41), and the first connecting piece (5) simultaneously penetrates through the connecting holes (41), the round holes (24) and the gasket holes (31) to connect the positioning ring (4) with a hub (2); the positioning ring (4) is connected with the hub sleeve (11) through the fixing assembly (6), and the central axis of the positioning ring (4) coincides with the central axis of the hub sleeve (11).

2. A hub positioning structure for a bicycle hub according to claim 1, wherein: the first connecting piece (5) is a rivet or an expansion bolt.

3. A hub positioning structure for a bicycle hub according to claim 1, wherein: the fixing assembly (6) comprises a plurality of limiting plates (61) which are arranged on the outer peripheral side of the locating ring (4) and extend radially along the locating ring (4), a plurality of limiting blocks (62) which are arranged on the outer peripheral sides of two ends of the hub sleeve (11) and a second connecting piece (63), wherein the limiting plates (61) are uniformly distributed by taking a central shaft of the locating ring (4) as a circle center, the limiting blocks (62) correspond to the limiting plates (61) on the locating ring (4), and the limiting blocks (62) are connected with the limiting plates (61) through the second connecting piece (63).

4. A hub positioning structure for a bicycle hub according to claim 3, wherein: and a limiting groove (621) matched with the limiting piece (61) is formed in one side, away from the hub (1), of the limiting block (62).

5. A hub positioning structure for a bicycle hub according to claim 3, wherein: the first connecting piece (5) penetrates through the connecting hole (41) and is fixedly connected with the positioning ring (4), the first connecting piece (5) penetrates through the round hole (24) and is detachably connected with the disc (22), and the limiting piece (61) and the limiting block (62) are detachably connected through the second connecting piece (63).

6. A hub positioning structure for a bicycle hub as defined in claim 5, wherein: the first connecting piece (5) is a pin or a bolt, and the second connecting piece (63) is a screw or a bolt.

7. A hub positioning structure for a bicycle hub according to claim 1, wherein: the outer diameter of the positioning ring (4) is the same as the inner diameter of the hub sleeve (11), and the inner diameter of the positioning ring (4) is the same as the outer diameter of the ratchet wheel set (25) of the hub (2).