CN218463407U

CN218463407U - Zero-resistance mute hub structure

Info

Publication number: CN218463407U
Application number: CN202222431298.4U
Authority: CN
Inventors: 林荣杉; 骆清艳
Original assignee: Jurong Xingjia Hardware Products Co ltd
Current assignee: Jurong Xingjia Hardware Products Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-10
Anticipated expiration: 2032-09-14

Abstract

The utility model belongs to the technical field of the bicycle flower-drum, especially, be a zero resistance silence flower-drum structure, including the flower-drum body, one side of flower-drum body is equipped with the spline groove of intercommunication No. one, the inner wall connection of spline groove has the ratchet of looks adaptation, the inner wall of ratchet is equipped with the spline groove No. two, the inner wall connection of spline groove No. two has the spline adapter sleeve of looks adaptation, the opposite side intercommunication of spline adapter sleeve has the column foot. The utility model discloses a leave clearance space between location axle and the flower-drum body, be for the lubricating component that cooperation liquid feeding pipe, sealing plug, mounting panel, mounting hole, positioning screw and fixed cover are constituteed, be convenient for add lubricating oil and get into the inside of flower-drum body, and one of them liquid feeding pipe of two liquid feeding pipes is the clearance position department that corresponds between No. two bearings and ratchet, consequently under this lubricating component's use, the convenient ratchet to this body coupling meshing of column foot and flower-drum carries out compensation lubricating oil.

Description

Zero-resistance mute hub structure

Technical Field

The utility model relates to a bicycle flower-drum technical field specifically is a zero resistance silence flower-drum structure.

Background

It is well known that in the part of a bicycle transmission, the hub has been present as an important part. The tower footing of the hub is in one-way transmission fit with the hub body of the hub through a one-way transmission mechanism. The one-way transmission mechanism of the hub generally adopts a ratchet wheel and pawl mechanism; when the tower footing of the hub rotates forwards, the pawl of the ratchet wheel pawl mechanism is meshed with the ratchet of the ratchet wheel, so that the tower footing drives the hub body to rotate forwards synchronously; when the tower footing of the hub rotates reversely, the pawl of the ratchet wheel pawl mechanism is not meshed with the ratchet of the ratchet wheel, and the tower footing can not drive the hub body to rotate; in addition, when the tower footing of the hub is fixed or rotates reversely, the hub body can continue to rotate forwards relative to the tower footing under the action of inertia, and the bicycle is in an idling state.

When the existing zero-resistance mute hub structure is used, lubricating oil needs to be supplemented to the ratchet wheel connected and meshed with the hub and the tower footing regularly to improve the mute performance of the hub when in use, but the zero-resistance mute hub structure is basically designed in an integral sealing manner, so that the ratchet wheel connected and meshed with the tower footing and the hub is extremely inconvenient to supplement the lubricating oil, and therefore the zero-resistance mute hub structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a zero resistance silence flower-drum structure has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a zero resistance silence flower-drum structure, includes the flower-drum body, one side of flower-drum body is equipped with the spline groove of intercommunication, the inner wall in spline groove is connected with the ratchet of looks adaptation, the inner wall of ratchet is equipped with the spline groove No. two, the inner wall in spline groove No. two has the spline adapter sleeve of looks adaptation, the opposite side intercommunication of spline adapter sleeve has the column foot, one side of column foot and the relative one side of flower-drum body laminate each other, be equipped with the location axle between the inside of flower-drum body and column foot, the one end of location axle extends to the corresponding one side of flower-drum body, the other end of location axle extends to the corresponding one side of column foot, the surface of location axle laminates each other with the inner wall of spline adapter sleeve, the surface of location axle has from left to right connected gradually bearing No. one, no. two bearings and No. three bearings, bearing, no. one bearing, no. two bearings all are connected with the inner wall of flower-drum body, no. three bearings and the inner wall connection of column foot, the surface of flower-drum body is equipped with the lubricated subassembly of intercommunication.

Further, the lubricating component comprises two liquid feeding pipes, and the liquid feeding pipes are connected to the surface of the hub body and communicated with the interior of the hub body.

Furthermore, the inner wall of the liquid feeding pipe is connected with a sealing plug in a sliding mode, and the top of the sealing plug is fixedly connected with a mounting plate.

Further, the surface center of mounting panel is equipped with the mounting hole of intercommunication, the inner wall sliding connection of mounting hole has the location lead screw.

Furthermore, the surface of the positioning screw rod is in threaded connection with a fixing sleeve, and the fixing sleeve is circular.

Furthermore, the surface of the positioning shaft is in threaded connection with a first positioning sleeve and a second positioning sleeve, the first positioning sleeve is attached to one side, corresponding to the hub body, of the hub body, and the second positioning sleeve is attached to one side, corresponding to the tower foundation, of the tower foundation.

(III) advantageous effects

Compared with the prior art, the utility model provides a zero resistance silence flower-drum structure possesses following beneficial effect:

the utility model discloses, leave clearance space through between location axle and the flower-drum body, be for the lubricating component that cooperation liquid feeding pipe, sealing plug, mounting panel, mounting hole, positioning screw and fixed cover are constituteed, be convenient for add lubricating oil and get into the inside of flower-drum body, and one of them liquid feeding pipe of two liquid feeding pipes is the clearance position department that corresponds between No. two bearings and ratchet, consequently under this lubricating component's use, the convenient ratchet to this body coupling meshing of column foot and flower-drum carries out compensation lubricating oil.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the hub body and the tower footing of the present invention;

fig. 3 is a schematic structural diagram of the lubricating assembly of the present invention.

In the figure: 1. a hub body; 2. a first spline groove; 3. a ratchet wheel; 4. a second spline groove; 5. a spline connecting sleeve; 6. a tower footing; 7. positioning the shaft; 8. a first bearing; 9. a second bearing; 10. a third bearing; 11. a lubrication assembly; 1101. a liquid feeding pipe; 1102. a sealing plug; 1103. mounting a plate; 1104. mounting holes; 1105. positioning a screw rod; 1106. fixing a sleeve; 12. a first positioning sleeve; 13. and a second positioning sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-3, an embodiment of the present invention provides a zero-resistance silent hub structure, which includes a hub body 1, one side of the hub body 1 is provided with a first spline groove 2, an inner wall of the first spline groove 2 is connected with a ratchet wheel 3, an inner wall of the ratchet wheel 3 is provided with a second spline groove 4, an inner wall of the second spline groove 4 is connected with a spline connection sleeve 5, the other side of the spline connection sleeve 5 is connected with a tower foundation 6, one side of the tower foundation 6 is attached to a side opposite to the hub body 1, a positioning shaft 7 is disposed between an inside of the hub body 1 and an inside of the tower foundation 6, one end of the positioning shaft 7 extends to a side corresponding to the hub body 1, the other end of the positioning shaft 7 extends to a side corresponding to the tower foundation 6, a surface of the positioning shaft 7 is attached to an inner wall of the spline connection sleeve 5, the surface of the positioning shaft 7 is sequentially connected with a first bearing 8, a second bearing 9 and a third bearing 10 from left to right, the first bearing 8 and the second bearing 9 are both connected with the inner wall of the hub body 1, the third bearing 10 is connected with the inner wall of the tower foundation 6, the surface of the hub body 1 is provided with a communicated lubricating component 11, a gap space is reserved between the interior of the hub body 1 and the surface of the positioning shaft 7, so when lubricating oil needs to be supplemented between the second bearing 9 and the ratchet wheel 3, the sealing plug 1102 at the bottom of the mounting plate 1103 can be taken out from the port of the liquid feeding pipe 1101 through the rotation of the fixing sleeve 1106 and the positioning screw 1105, when the fixing sleeve 1106 is separated from the surface of the positioning screw 1105, then the lubricating oil can be respectively supplemented between the first bearing 8, the second bearing 9 and between the second bearing 9 and the ratchet wheel 3 through the two liquid feeding pipes 1101, so that the ratchet wheel 3 can be ensured under the supplement of the lubricating oil, the silencing effect of the hub structure can be further improved.

As shown in fig. 3, in some embodiments, the lubricating component 11 includes two filling pipes 1101, the filling pipes 1101 are connected to the surface of the hub body 1 and are communicated with the inside of the hub body 1, wherein the two filling pipes 1101 are correspondingly arranged between the first bearing 8, the second bearing 9 and the ratchet 3, so that lubricating oil can be supplied between the first bearing 8 and the second bearing 9 and between the second bearing 9 and the ratchet 3, and therefore, the wear of the hub body 1 and the tower footing 6 during transmission can be reduced, and the silencing effect of the transmission between the hub body 1 and the tower footing 6 can be further improved.

As shown in fig. 3, in some embodiments, an adaptive sealing plug 1102 is slidably connected to the inner wall of the filler pipe 1101, a mounting plate 1103 is fixedly connected to the top of the sealing plug 1102, and the filler pipe 1101 is mainly matched to seal and open through the design of the sealing plug 1102, so that it is extremely convenient to add lubricating oil to the ratchet wheel 3 engaged with the inner walls of the first bearing 8, the second bearing 9 and the second spline groove 4 inside the hub body 1 through the filler pipe 1101 in the subsequent process.

As shown in fig. 1 and fig. 3, in some embodiments, the surface center of the mounting plate 1103 is provided with a communicating mounting hole 1104, and the inner wall of the mounting hole 1104 is slidably connected with a positioning screw 1105, so that the sealing plug 1102 at the bottom of the mounting plate 1103 can be conveniently and quickly mounted and positioned when being sealed with the filler pipe 1101 by the cooperation between the mounting hole 1104 and the positioning screw 1105.

As shown in fig. 3, in some embodiments, a fixing sleeve 1106 is threadedly connected to the surface of the positioning screw 1105, and the shape of the fixing sleeve 1106 is circular, so as to rotate the fixing sleeve 1106 on the surface of the positioning screw 1105 and ensure that the sealing plug 1102 on the surface of the mounting plate 1103 can be tightly fitted in the inner wall of the filler pipe 1101.

As shown in fig. 1 and 2, in some embodiments, the first locating sleeve 12 and the second locating sleeve 13 are connected to the surface of the locating shaft 7 in a threaded manner, the first locating sleeve 12 is attached to one side of the hub body 1 corresponding to the first locating sleeve, the second locating sleeve 13 is attached to one side of the tower foundation 6 corresponding to the second locating sleeve, and the first locating sleeve 12 and the second locating sleeve 13 are used for connecting the hub body 1 and the tower foundation 6 to the surface of the locating shaft 7 for rotation, so that the hub structure is guaranteed to have good stability when being used as a whole.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a zero resistance silence flower-drum structure, includes flower-drum body (1), its characterized in that: one side of the hub body (1) is provided with a communicated first spline groove (2), the inner wall of the first spline groove (2) is connected with a ratchet wheel (3) which is matched with the first spline groove, the inner wall of the ratchet wheel (3) is provided with a second spline groove (4), the inner wall of the second spline groove (4) is connected with a spline connecting sleeve (5) which is matched with the second spline groove, the other side of the spline connecting sleeve (5) is communicated with a tower footing (6), one side of the tower footing (6) is mutually attached to the opposite side of the hub body (1), a positioning shaft (7) is arranged between the interior of the hub body (1) and the interior of the tower footing (6), one end of the positioning shaft (7) extends to one side corresponding to the hub body (1), the other end of the positioning shaft (7) extends to one side corresponding to the tower footing (6), the surface of the positioning shaft (7) is mutually attached to the inner wall of the spline connecting sleeve (5), the surface of the positioning shaft (7) is sequentially connected with a first bearing (8), a second bearing (9) and a third bearing (10) from left to right, the first bearing (8) and the second bearing (9) are both connected with the inner wall of the hub body (1), the third bearing (10) is connected with the inner wall of the tower footing (6), the surface of the hub body (1) is provided with a communicated lubricating component (11).

2. The zero-drag silent hub structure of claim 1, wherein: the lubricating assembly (11) comprises two liquid feeding pipes (1101), and the liquid feeding pipes (1101) are connected to the surface of the hub body (1) and are communicated with the interior of the hub body (1).

3. A zero-drag silent hub construction as claimed in claim 2, wherein: the inner wall of the liquid feeding pipe (1101) is connected with a matched sealing plug (1102) in a sliding mode, and the top of the sealing plug (1102) is fixedly connected with a mounting plate (1103).

4. A zero-drag silent hub structure as claimed in claim 3, wherein: the surface center of mounting panel (1103) is equipped with mounting hole (1104) of intercommunication, the inner wall sliding connection of mounting hole (1104) has positioning screw (1105).

5. The zero-resistance mute hub structure as claimed in claim 4, wherein: the surface of the positioning screw rod (1105) is in threaded connection with a fixing sleeve (1106), and the shape of the fixing sleeve (1106) is circular.

6. The zero-drag silent hub structure of claim 1, wherein: the surface of the positioning shaft (7) is in threaded connection with a first positioning sleeve (12) and a second positioning sleeve (13), the first positioning sleeve (12) is attached to one side, corresponding to the hub body (1), of the hub, and the second positioning sleeve (13) is attached to one side, corresponding to the tower footing (6).