CN220220270U

CN220220270U - Hidden type cylinder shaft of bicycle

Info

Publication number: CN220220270U
Application number: CN202321784462.8U
Authority: CN
Inventors: 陈金榜
Original assignee: Shenzhen Duote Bicycle Co ltd
Current assignee: Shenzhen Duote Bicycle Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-12-22
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a hidden cylinder shaft of a bicycle, which comprises a shaft body and a fastener, wherein the fastener is fixedly connected with the upper end of the shaft body; further comprises: the positioning piece is fixedly arranged on the inner side of the fastening piece; the storage hole is formed in the middle of the fastener, the handle is movably arranged on the inner side of the storage hole and used for realizing screwing adjustment of the fastener, the sliding grooves and the positioning holes are formed in two sides of the handle and used for realizing guiding and positioning through matching with the positioning piece, the shaft body is of a hollow structure, the two ends of the shaft body are respectively provided with external threads, the upper end of the shaft body is in threaded connection with the fastener through the external threads, meanwhile, the outer diameter of the fastener is larger than the outer diameter of the shaft body, two mounting holes are symmetrically formed in the upper portion of the fastener, and the positioning piece is in threaded connection with the mounting holes. The hidden type cylinder shaft of the bicycle can be used for carrying out telescopic adjustment on the handle, so that the handle can be conveniently hidden for storage, and foreign objects can be effectively prevented from being hung in the riding process.

Description

Hidden type cylinder shaft of bicycle

Technical Field

The utility model relates to the technical field related to bicycle cylinder shafts, in particular to a hidden cylinder shaft of a bicycle.

Background

The bicycle drum shaft is an important part of the position of the bicycle wheel part, the drum shaft can be used for realizing the quick assembly and disassembly of the wheel, the subsequent maintenance of the vehicle is convenient, but the existing bicycle drum shaft still has some defects.

In the prior art, as disclosed in the publication No. CN215155265U, a handle-rotatable adjusting type bicycle cylinder shaft rod device is characterized in that one end of a shaft core is provided with a threaded hole, one end of a tooth-shaped screw is in threaded connection with the threaded hole, the other end of the tooth-shaped screw can be combined and can be connected with a handle in a detachable manner, a spring seat is arranged in the handle, a step column of the spring seat is sleeved with a spring, one end of the spring abuts against the spring seat, the other end of the spring abuts against the tooth-shaped screw, a screw is arranged in the spring seat, and the tail end of the screw is in threaded connection with the tooth-shaped screw. On the section of thick bamboo axostylus axostyle, the handle can be pulled backward, spring compression, inside and outside profile of tooth buckle breaks away from, and the handle alright be adjusted the direction wantonly, and after the good direction of adjustment, the spring stretches when loosening, makes inside and outside profile of tooth buckle interlock, finally accomplishes the rotation adjustment of handle, has avoided riding the dangerous of hanging the barrier that the in-process probably appears, but still is located the outside of section of thick bamboo axle after its handle is folding for it still has the possibility of hanging the foreign object at the in-process of riding, has certain use defect.

Disclosure of Invention

The utility model aims to provide a hidden type tube shaft of a bicycle, which solves the problem that a handle of the tube shaft of the bicycle in the market at present provided by the background technology is still positioned at the outer side of the tube shaft after being folded, so that the handle still has the possibility of being hung on an external object in the riding process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a hidden cylinder shaft of a bicycle comprises a shaft body and a fastening piece, wherein the fastening piece is fixedly connected to the upper end of the shaft body;

further comprises: the positioning piece is fixedly arranged on the inner side of the fastening piece;

the storage hole is formed in the middle of the fastener, the handle is movably arranged on the inner side of the storage hole and used for realizing screwing adjustment of the fastener, and the sliding grooves and the positioning holes are formed in two sides of the handle and used for realizing guiding and positioning in cooperation with the positioning piece.

Preferably, the shaft body is of a hollow structure, external threads are respectively formed at two ends of the shaft body, the upper end of the shaft body is in threaded connection with the fastening piece through the external threads, and meanwhile, the outer diameter of the fastening piece is larger than that of the shaft body.

Through adopting above-mentioned technical scheme for axis body and fastener can be through threaded connection stable equipment, follow-up dismouting of being convenient for.

Preferably, the upper part of the fastener is symmetrically provided with two mounting holes, the positioning piece is in threaded connection with the mounting holes, and the positioning piece is symmetrically provided with two positioning pieces relative to the fastener.

Through adopting above-mentioned technical scheme for rotatory setting element can make setting element and mounting hole threaded connection, and then can conveniently adjust the position of setting element in the fastener.

Preferably, the handle penetrates through the fastener through the storage hole, the handle and the shaft body form a telescopic structure, the handle is stored in the inner side of the shaft body and the fastener, the handle is integrally arranged in a T-shaped structure, and the upper end of the handle is matched with the upper end of the storage hole.

Through adopting above-mentioned technical scheme for when the handle does not use, can shrink the inboard that gets into axis body and fastener through accomodating the hole, realize hidden accomodating.

Preferably, the locating piece is ball arc structure setting towards the one end of handle, and the mounting hole is linked together with accomodating the hole vertically, and locating hole looks joint that locating piece and handle lateral wall were seted up, two locating holes have been seted up respectively to the same side upper and lower position of handle simultaneously.

Through adopting above-mentioned technical scheme for when locating piece is screwed in the mounting hole and is close to the handle, can block into in the locating hole, thereby realize the rotation regulation and the location to the fastener.

Preferably, the positioning piece is in sliding connection with the chute, the chute is communicated with the positioning holes, and the two positioning holes on the same side are symmetrically arranged relative to the chute.

Through adopting above-mentioned technical scheme for behind the setting element outside unscrewed part, it can slide along the spout, thereby realizes the direction to the handle, and the handle of being convenient for stabilizes the pull in the handle.

Compared with the prior art, the utility model has the beneficial effects that: this hidden spool of bicycle can carry out flexible regulation to the handle, and then is convenient for carry out hidden accomodate to the handle, effectively avoids riding the in-process and hangs the foreign object, and the concrete content is as follows:

1. the positioning piece, the handle, the sliding groove and the positioning hole are arranged, and after the positioning piece is unscrewed, the handle can penetrate through the fastening piece to slide, so that the handle can be conveniently hidden at the inner side of the shaft body to be taken out when being stored and used, in the sliding process of the handle, the positioning piece can slide along the sliding groove to guide the handle, the positioning piece is screwed, the positioning piece can be clamped into the positioning hole, the effective limit of the handle is further realized, and foreign objects are prevented from being hung in the riding process;

2. be provided with and accomodate hole and handle, take out the handle through the slip after, can rotate the lower part of handle around the setting element for in the accomodating hole in the fastener can transversely be arranged in to the lower part of handle, make handle and axis body keep perpendicular, and then be convenient for follow-up through the handle to the fastener rotatory dismouting.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a split structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

fig. 5 is a schematic perspective view of the handle of the present utility model in use.

In the figure: 1. a shaft body; 2. an external thread; 3. a fastener; 4. a positioning piece; 5. a handle; 6. a mounting hole; 7. a receiving hole; 8. a chute; 9. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a hidden cylinder shaft of a bicycle comprises a shaft body 1 and a fastening piece 3, wherein the fastening piece 3 is fixedly connected with the upper end of the shaft body 1; the shaft body 1 is of a hollow structure, external threads 2 are respectively formed at two ends of the shaft body 1, the upper end of the shaft body 1 is in threaded connection with the fastening piece 3 through the external threads 2, and meanwhile, the outer diameter of the fastening piece 3 is larger than that of the shaft body 1. Two mounting holes 6 are symmetrically formed in the upper portion of the fastener 3, the positioning piece 4 is in threaded connection with the mounting holes 6, and the positioning piece 4 is symmetrically two with respect to the fastener 3, as shown in fig. 2-4, when the handle 5 needs to be taken out for use, the positioning piece 4 is rotated through a tool, so that the positioning piece 4 is screwed out of the outer side of the fastener 3, the position of the fastener 3 in the inner side of the mounting holes 6 can be changed, and the mounting holes 6 are disengaged from the positioning holes 9.

Further comprises: a positioning piece 4 fixedly installed on the inner side of the fastener 3; the accommodating hole 7 is formed in the middle of the fastener 3, the handle 5 is movably arranged on the inner side of the accommodating hole 7 and used for realizing screwing adjustment of the fastener 3, and the two sides of the handle 5 are provided with the sliding groove 8 and the positioning hole 9 and used for being matched with the positioning piece 4 to realize guiding and positioning; the handle 5 runs through the fastener 3 through the storage hole 7, and the handle 5 and the shaft body 1 form a telescopic structure, and the handle 5 is stored in the inner sides of the shaft body 1 and the fastener 3, and meanwhile, the handle 5 is integrally arranged in a T-shaped structure, and the upper end of the handle 5 is matched with the upper end of the storage hole 7. The setting element 4 is ball arc structure setting towards the one end of handle 5, and mounting hole 6 and accomodate hole 7 and be linked together perpendicularly to setting element 4 and the locating hole 9 looks joint that handle 5 lateral wall was seted up, two locating holes 9 have been seted up respectively to the same side upper and lower part position of handle 5 simultaneously. The positioning piece 4 is in sliding connection with the chute 8, the chute 8 is communicated with the positioning holes 9, and the two positioning holes 9 on the same side are symmetrically arranged relative to the chute 8.

As shown in fig. 1-5, after the positioning piece 4 is in contact and clamped with the positioning hole 9, the handle 5 is pulled, so that the handle 5 slides to the outer side of the shaft body 1 along the storage hole 7, meanwhile, the positioning piece 4 slides along the sliding groove 8, so that the expansion and contraction of the handle 5 are guided, after the handle 5 is completely taken out, the positioning piece 4 is positioned in the positioning hole 9 at the lower end of the handle 5, then the handle 5 is rotated around the positioning piece 4, so that the handle 5 is vertical to the shaft body 1, the lower part of the handle 5 is transversely clamped in the storage hole 7, and therefore the fastening piece 3 can be driven to rotate and disassemble through rotating the handle 5, after the use is completed, the handle 5 is rotated, reset and slid into the shaft body 1, and is fixed through screwing the positioning piece 4, so that hidden storage is realized.

To sum up, when the hidden cylinder shaft of the bicycle is used, firstly, according to the illustrations of fig. 1-5, when the handle 5 is needed to be used, the positioning piece 4 is rotated outwards, then the handle 5 is pulled outwards, so that the handle 5 is adjusted in a telescopic mode on the shaft body 1, when the positioning hole 9 at the outer side of the lower end of the handle 5 corresponds to the arc face of the positioning piece 4, the handle 5 is rotated, so that the handle 5 is kept perpendicular to the shaft body 1, then the handle 5 can be pulled to realize the rotary disassembly of the fastening piece 3, after the use is completed, the handle 5 is rotated, reset and slid into the shaft body 1 to realize hidden storage, and the positioning piece 4 is screwed to realize positioning.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The hidden type cylinder shaft of the bicycle comprises a shaft body (1) and a fastening piece (3), wherein the fastening piece (3) is fixedly connected to the upper end of the shaft body (1);

characterized by further comprising:

the positioning piece (4) is fixedly arranged on the inner side of the fastening piece (3);

the storage hole (7) is formed in the middle of the fastener (3), the handle (5) is movably arranged on the inner side of the storage hole (7) and used for realizing screwing adjustment of the fastener (3), and the sliding grooves (8) and the positioning holes (9) are formed in two sides of the handle (5) and used for being matched with the positioning piece (4) to realize guiding and positioning.

2. The bicycle concealed hub according to claim 1, wherein: the shaft body (1) is of a hollow structure, external threads (2) are respectively formed at two ends of the shaft body (1), the upper end of the shaft body (1) is in threaded connection with the fastening piece (3) through the external threads (2), and meanwhile, the outer diameter of the fastening piece (3) is larger than that of the shaft body (1).

3. The bicycle concealed hub according to claim 1, wherein: two mounting holes (6) are symmetrically formed in the upper portion of the fastening piece (3), the positioning piece (4) is in threaded connection with the mounting holes (6), and the two positioning pieces (4) are symmetrically arranged relative to the fastening piece (3).

4. The bicycle concealed hub according to claim 1, wherein: the handle (5) penetrates the fastener (3) through the storage hole (7), the handle (5) and the shaft body (1) form a telescopic structure, the handle (5) is stored in the inner sides of the shaft body (1) and the fastener (3), meanwhile, the handle (5) is integrally arranged in a T-shaped structure, and the upper end of the handle (5) is matched with the upper end of the storage hole (7).

5. The bicycle concealed hub according to claim 1, wherein: the locating piece (4) is ball arc structure setting towards the one end of handle (5), and mounting hole (6) are linked together perpendicularly with accomodate hole (7), and locating hole (9) looks joint that locating piece (4) and handle (5) lateral wall were seted up, two locating holes (9) have been seted up respectively to the upper and lower position in same one side of handle (5) simultaneously.

6. The bicycle concealed hub according to claim 1, wherein: the stator

The position piece (4) is connected with the chute (8) in a sliding way, the chute (8) is communicated with the positioning hole (9),

and two positioning holes (9) on the same side are symmetrically arranged about the chute (8).