CN218197735U

CN218197735U - Single-arm type hub driving and braking part assembly

Info

Publication number: CN218197735U
Application number: CN202222102876.XU
Authority: CN
Inventors: 张逸丰
Original assignee: Kunshan Mclary Drive Technology Co ltd
Current assignee: Kunshan Mclary Drive Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-01-03
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a single-arm type flower-drum driving and braking assembly, which comprises a hub shell, wherein a threaded pipe is fixed at one end of the hub shell, a single-speed flywheel and a disc brake sheet are arranged outside the threaded pipe and integrated at the same side, and the single-speed flywheel and the disc brake sheet are distinguished from the structures on the left side and the right side; the utility model discloses in with single-speed flywheel and dish brake piece design on same limit, break through the way of current conventional art, accomplish the braking and the transmission mode of another kind of different bicycle wheelset, compensatied the blank among the prior art.

Description

Single-arm type hub driving and braking part assembly

Technical Field

The utility model belongs to the technical field of the bicycle accessory, concretely relates to single-arm type flower-drum drive and braking department subassembly.

Background

The hub is a barrel outside the shaft and connected with spokes, is usually called a hub, generally has a 3-inch and 5-inch knitting method according to different knitting modes of the number of the hub, and is widely used on bicycles.

The driving and braking positions of the hub of the existing bicycle on the market are separated from left and right, and a brake disc and a driving flywheel are not designed to be on the same side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single arm formula flower-drum drive and braking department subassembly to the current bicycle flower-drum drive that proposes in solving above-mentioned background art is controlled separately with braking department, does not be in the structure on one side.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single-arm formula flower-drum drive and braking department subassembly, includes the wheel hub shell, the one end fixing of wheel hub shell has the screwed pipe, is provided with single-speed flywheel and dish piece of stopping in the outside of screwed pipe, and is integrated with one side with single-speed flywheel and dish piece of stopping, distinguishes with the structure of the current left and right sides the inside of wheel hub shell is provided with coupling assembling, and this coupling assembling includes two at least bearings one, aluminium sleeve and iron axle center, the one end region in iron axle center is connecting portion, and the other end region is screw thread portion, is formed with between connecting portion and screw thread portion to be used for the spaced annular arch, can separate spacing, two to bearing one and bearing two bearing one set up at aluminium sleeve's both ends, and bearing one and aluminium sleeve all overlap the connecting portion region in iron axle center, the dish piece cover is established on the screwed pipe the screw thread portion in iron axle center still overlap and be equipped with bearing two, one side of bearing two is provided with waterproof sealing washer, realizes the sealed of junction, single-speed flywheel cover is established on iron axle center's screw thread portion, the screw thread portion tip of iron axle center still is screwed in tight for the installation, the tight ring groove of side cap is forced, the spacing ring groove is formed towards the convenient ring groove of installation of this axle center, and the axle center is supported the axle center.

Preferably, the end face of the iron shaft center connecting part is connected with a limit nut through threads, fibers can be conducted on the iron shaft center and the first bearing, and the limit nut abuts against the end face of the other end of the hub shell.

Preferably, the both ends of wheel hub shell are formed with the ring flange, all set up porosely on ring flange and dish are stopped the piece, and the inboard in this hole is run through and is had the bolt, realizes the fixed mounting that ring flange and dish were stopped the piece, and the tip cover of this bolt is equipped with and is used for fastening spacing nut.

Preferably, the inside of the tightening side cover is hollow, and the hollow inner wall of the tightening side cover is provided with a thread connected with the thread part of the iron shaft center, so that fixation is realized.

Preferably, the outer surface of the first bearing is in contact with the inner wall of the hub shell, the contact of the outer surface of the first bearing is in a seamless fit state, and one end of the limiting nut is screwed into the inner wall of the other end of the hub shell and abuts against the end face of the first bearing.

Preferably, the inside of waterproof sealing washer has been seted up and has been led to the groove, can make things convenient for waterproof sealing washer's deformation, and the longitudinal section that should lead to the groove is the polygon, and leads to the both sides of groove and extend towards the inside and outside wall of waterproof sealing washer.

Preferably, the inner wall of waterproof sealing circle still is fixed with the stopper, realizes supporting tightly in the installation, the stopper offsets with the inner wall of annular, the longitudinal section of stopper is triangle-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in with single-speed flywheel and dish brake piece design on same limit, break through the way of current conventional art, accomplish the braking and the transmission mode of another kind of different bicycle wheelset, compensatied the blank among the prior art.

Drawings

Fig. 1 is an exploded schematic view of the present invention;

FIG. 2 is an assembled side view of the present invention;

FIG. 3 is an assembled cross-sectional view of the present invention;

fig. 4 is a cross-sectional view of the waterproof sealing ring of the present invention.

In the figure: 1. a hub shell; 2. an iron core; 3. a first bearing; 4. a limit nut; 5. tightening the side cover; 6. an aluminum sleeve; 7. a second bearing; 8. a waterproof sealing ring; 9. a single speed flywheel; 10. a disc brake sheet; 11. a through groove; 12. and a limiting block.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a single-arm type hub driving and braking assembly comprises a hub shell 1, wherein a threaded pipe is fixed at one end of the hub shell 1, a single-speed flywheel 9 and a disc brake pad 10 are arranged outside the threaded pipe, the brake pad 10 and the single-speed flywheel 9 are designed on the same side, the method of the prior art is broken through, the other different braking and transmission mode of a bicycle wheel set is completed, the blank in the prior art is made up, a connecting assembly is arranged inside the hub shell 1 and comprises at least two bearings I3, an aluminum sleeve 6 and an iron shaft center 2, one end region of the iron shaft center 2 is a connecting part, the other end region is a threaded part, an annular bulge for separating the bearings I3 and II 7 is formed between the connecting part and the threaded part, the two bearings I3 are arranged at two ends of the aluminum sleeve 6, and the bearings I3 and the aluminum sleeve 6 are both sleeved on the connecting part region of the iron shaft center 2, a disc brake piece 10 is sleeved on a threaded pipe, a second bearing 7 is sleeved on a threaded portion of an iron shaft center 2, a waterproof sealing ring 8 is arranged on one side of the second bearing 7 and can improve the sealing performance of an installation position, a single-speed flywheel 9 is sleeved on the threaded portion of the iron shaft center 2, a tightening side cover 5 is screwed into the end portion of the threaded portion of the iron shaft center 2, an annular groove is formed in the end face of the tightening side cover 5 facing to the direction of the iron shaft center 2, the waterproof sealing ring 8 is convenient to install, the waterproof sealing ring 8 is sleeved on the inner side of the annular groove, the iron shaft center 2 is tightly pressed by the end face of the tightening side cover 5, a limit nut 4 is connected to the end face of a connecting portion of the iron shaft center 2 through threads, the limit nut 4 abuts against the end face of the other end of the hub shell 1, flange plates are formed at two ends of the hub shell 1 and are used for penetrating through of bolts in the later period to realize connection, holes are formed in the flange plates and the disc brake piece 10, the inboard of this hole is run through there is the bolt, the tip cover of this bolt is equipped with and is used for fastening spacing nut, it is the cavity form to force the inside of tight side cap 5, and force tight side cap 5 cavity form inner wall offer with the screw thread portion of 2 screw thread portions of iron axle center, the surface of bearing 3 contacts with the inner wall of wheel hub shell 1, realize the installation, and the rotation can be guaranteed to bearing 3 inside, the one end screw in of stop nut 4 to the other end inner wall of wheel hub shell 1, and offset with the terminal surface of bearing 3.

In this embodiment, preferably, logical groove 11 has been seted up to waterproof sealing washer 8's inside, and this longitudinal section that leads to groove 11 is the polygon, and leads to the both sides of groove 11 and extend towards waterproof sealing washer 8's interior outer wall, when receiving to press, waterproof sealing washer 8 can be the platykurtic to promote waterproof area, waterproof sealing washer 8's inner wall still is fixed with stopper 12, stopper 12 offsets with the inner wall of annular, stopper 12's longitudinal section is triangle-shaped, realizes supporting tightly.

The utility model discloses a theory of operation and use flow: the utility model discloses in the installation, one of them bearing 3 is established to the cover on iron axle center 2 connecting portion in proper order, aluminium sleeve 6 and another bearing 3, the iron axle center 2 that will assemble afterwards, bearing 3 and aluminium sleeve 6 insert the inside of wheel hub shell 1, then establish the tip of the connecting portion of iron axle center 2 with spacing nut 4 screw thread soon, the screw thread portion of iron axle center 2 can extend to the one end outside of wheel hub shell 1 this moment, establish bearing two 7 cover in the screw thread portion bottom of iron axle center 2, then establish waterproof sealing washer 8 cover on the screw thread portion of iron axle center 2, establish disc brake piece 10 cover on the screwed pipe of wheel hub shell 1 one end, and run through the screw on wheel hub shell 1 tip and disc brake piece 10 through the bolt and accomplish the installation, establish the screw thread portion of iron axle center 2 with the cover of single-speed flywheel 9 cover at this moment, establish the screw thread portion of iron axle center 2 with the tightening side cap 5 again, and divide the single-speed integration of single-speed side cap 9 on the screwed pipe of wheel hub shell 1 one end of wheel hub shell and extrude waterproof sealing washer 8 in step with this realization, and the current wheel hub shell of the same side integration of pressing tightly side of disc brake piece 1 come; when waterproof sealing circle 8 is established to the cover, can increase waterproof sealing circle 8 and damping degree through stopper 12, realize firm installation, when waterproof sealing circle 8 is extruded in later stage, can realize extrusion deformation through leading to groove 11, waterproof sealing circle 8's width increase this moment promotes sealed effect.

Although embodiments of the present invention have been shown and described (with particularity and detail in the foregoing description), it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single-arm formula flower-drum drive and braking department subassembly, includes wheel hub shell (1), its characterized in that: the utility model discloses a wheel hub shell (1) is characterized in that the one end fixing of wheel hub shell (1) has the screwed pipe, is provided with single-speed flywheel (9) and dish piece (10) of stopping in the outside of screwed pipe the inside of wheel hub shell (1) is provided with coupling assembling, and this coupling assembling includes two at least bearings (3), aluminium sleeve (6) and iron axle center (2), the one end region of iron axle center (2) is connecting portion, and the other end region is screw thread portion, is formed with between connecting portion and screw thread portion to be used for the divided annular protruding, two bearing (3) set up the both ends at aluminium sleeve (6), and bearing (3) and aluminium sleeve (6) are all established in the connecting portion region of iron axle center (2) at the cover, dish piece (10) cover of stopping is established on the screwed pipe still the cover is equipped with bearing two (7) on the screw thread portion of iron axle center (2), one side of bearing two (7) is provided with waterproof sealing washer (8), the cover is established on the connecting portion region of iron axle center (2), the screw thread portion (2) of flywheel end portion still is equipped with screw in screw thread portion (5), and the terminal portion of approaching the approaching iron axle center (5) is established the waterproof sealing washer (5) the terminal surface of this side cap (5) is supported the waterproof ring groove is established the inboard towards the waterproof ring groove (2) of iron axle center.

2. The single-arm hub drive and brake assembly of claim 1, wherein: the end face of the connecting part of the iron axis (2) is connected with a limiting nut (4) through threads, and the limiting nut (4) is abutted to the end face of the other end of the hub shell (1).

3. The single-arm hub drive and brake assembly of claim 1, wherein: the wheel hub shell (1) is characterized in that flange plates are formed at two ends of the wheel hub shell (1), holes are formed in the flange plates and the disc brake sheets (10), bolts penetrate through the inner sides of the holes, and nuts used for fastening and limiting are sleeved at the end portions of the bolts.

4. The single-arm hub drive and brake assembly of claim 1, wherein: the inside of the tightening side cover (5) is hollow, and the hollow inner wall of the tightening side cover (5) is provided with threads connected with the thread part of the iron shaft core (2).

5. The single-arm hub drive and brake assembly of claim 2, wherein: the outer surface of the first bearing (3) is in contact with the inner wall of the hub shell (1), and one end of the limiting nut (4) is screwed into the inner wall of the other end of the hub shell (1) and abuts against the end face of the first bearing (3).

6. The single-arm hub drive and brake assembly of claim 1, wherein: the inside of waterproof sealing washer (8) has been seted up and has been led to groove (11), and the longitudinal section that should lead to groove (11) is the polygon, and leads to the both sides of groove (11) and extend towards the interior outer wall of waterproof sealing washer (8).

7. The single-arm hub drive and brake assembly of claim 1, wherein: the inner wall of waterproof sealing circle (8) still is fixed with stopper (12), stopper (12) offset with the inner wall of annular, the longitudinal section of stopper (12) is triangle-shaped.