CN210063275U

CN210063275U - Disk adapter

Info

Publication number: CN210063275U
Application number: CN201920738347.4U
Authority: CN
Inventors: 赖建国; 赖奕彰
Original assignee: Lee Chi Enterprises Co Ltd
Current assignee: Lee Chi Enterprises Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-14
Anticipated expiration: 2029-05-22

Abstract

The utility model provides a disk adapter, which comprises an adapter seat and a locking ring, wherein the adapter seat is an annular block body and comprises an inner bolt groove tooth surface and six positioning bolts, the six positioning bolts are arranged around the inner bolt groove tooth surface at equal intervals, and the locking ring comprises a threaded part which can be screwed on a hub and six anti-loosening bolts arranged at equal intervals; the utility model discloses utilize the design of adapter and locking ring, let six hole dish dishes that international standard can be installed to central locking-type (CENTER LOCK) flower-drum to can utilize and set up in the check bolt of locking ring, make the locking ring after actuating difficult pine take off, improve the convenience and the practicality of the various dish of central locking-type flower-drum installation.

Description

Disk adapter

Technical Field

The utility model relates to a spare part of bicycle, especially indicate one kind and let six hole dish can install in the dish adapter of central locking type (CENTER LOCK) hub.

Background

The hub system (hereinafter called central locking system) of CENTER LOCK is released by SHIMINO company of bicycle spare part big factory, and central locking system uses key slot formula dish mount pad and locking ring, lets the installation of dish more simple and convenient, can shorten the installation of dish and the time of dismantling to the fixed dish that key slot formula dish mount pad can stabilize strengthens precision and rigidity, uses and improves braking efficiency.

Referring to fig. 7, the conventional center lock type hub 50 has a spindle 51 and a disk mounting seat 52, the disk mounting seat 52 surrounds the spindle 51 and forms a locking groove 53 with the spindle 51, and the disk mounting seat 52 has a spline tooth surface 521 on an outer circumferential surface and an internal thread surface 522 on an inner circumferential surface. The central locking type hub 50 needs to be matched with a disc assembly 90 capable of matching with the key slot type disc mounting seat 52, the disc assembly 90 comprises a central locking type disc 91 and a locking ring 92, an inner key slot tooth surface capable of matching with the key slot tooth surface 521 is arranged at the central hole position of the central locking type disc 91, and the central locking type disc 91 can be meshed and sleeved on the disc mounting seat 52; the locking ring 92 is provided with a thread 921 protruding in the direction of protruding the central locking hub 50, the thread 921 can be screwed with the internal thread surface 522 of the disk mounting seat 52, and the locking ring 92 can be used to press and fix the central locking disk 91 to the disk mounting seat 50.

The bolt-slot type disk mounting seat 52 of the existing central locking type hub 50 must be used with a specific central locking type disk 91, and cannot be directly used with an international universal six-hole disk as shown in fig. 7, which greatly limits the convenience and flexibility of the application of the central locking type hub 50, and if people need to adopt the central locking type hub 50, the central locking type hub must be replaced together with a disk assembly and a brake clamp, which causes considerable expense and burden.

The existing disc assembly 90 is fixed to the disc mounting seat 50 by pressing the locking ring 92 to the central locking type disc 91, when the brake is actuated or after long-term use, the locking ring 92 is easy to loosen, resulting in the problems of shaking and unstable combination of the central locking type disc 91, which causes the worry of riding safety.

SUMMERY OF THE UTILITY MODEL

In order to solve the current six hole dish dishes of international general be difficult to use with the installation of central locking-type flower-drum to and the locking ring actuates the back and produce not hard up problem easily, the utility model provides a can let six hole dish dishes of international general install in the dish adapter of central locking-type flower-drum, and can utilize check bolt to let the locking ring after actuating difficult pine take off, promote the braking efficiency and the security of dish adapter.

The utility model discloses a solve the problem and provide a dish adapter, include:

a transfer seat which is in the shape of an annular block and is provided with a sleeve hole at the axis position, an inner bolt groove tooth surface is arranged on the inner peripheral wall surrounding the sleeve hole, and more than three positioning bolts are arranged at equal intervals in a mode of surrounding the sleeve hole; and

the locking ring is in an annular block shape, a center hole is formed in the axis position, a threaded part with an external thread surface is convexly arranged on the locking ring in a mode of surrounding the center hole, and more than three anti-loosening bolts are arranged at equal intervals in a mode of surrounding the threaded part.

Preferably, the adapter is provided with more than three bolt holes in the form of inner step holes at equal intervals in a manner of surrounding the sleeve hole, and the same number of the positioning bolts are cylindrical and are tightly fixed in the corresponding bolt holes.

Preferably, the locking ring has three or more screw holes at equal intervals around the threaded portion, and the same number of the locking bolts are screwed into the corresponding screw holes.

Preferably, six locking bolts are arranged on the locking ring at equal intervals.

Compared with the prior art, the utility model provides an available efficiency of technical means is promoted and is included:

1. the utility model discloses an adapter is equipped with the pilot pin that can be with six hole dish installations location to can cup joint the key slot flank of tooth that the meshing was fixed at the dish mount pad by the key slot flank of tooth, let six hole dish of international general can use with the installation of central locking-type flower-drum collocation, improve convenience and the flexibility that central locking-type flower-drum implemented and was used.

2. The utility model discloses be equipped with a plurality of check bolts in the locking ring, when the locking ring is fixed in the dish mount pad with the dish suppression, can utilize these check bolts to resist locking ring and dish and compel tightly, let the difficult pine of locking ring after actuating take off, effectively promote the brake efficiency and the security of dish adapter.

3. The utility model discloses can utilize the locking degree of each check bolt of adjustment and finely tune the angle of six hole dish dishes, let the installation angle of dish more accurate, avoid producing the unnecessary wearing and tearing between dish and the brake clamp.

Drawings

Fig. 1 is a perspective view of the preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of the preferred embodiment of the present invention.

Fig. 3 is a perspective view of the preferred embodiment of the present invention.

Fig. 4 is an exploded view of the preferred embodiment of the present invention with a central locking hub and disk.

FIG. 5 is a cross-sectional view through the position of the alignment key of FIG. 3.

Fig. 6 is a cross-sectional view through the position of the lockbolt in fig. 3.

Fig. 7 is an exploded perspective view of a prior art center lock type hub and dedicated disk assembly.

Detailed Description

The following description of the preferred embodiments of the present invention will be made in conjunction with the drawings and the accompanying drawings to further illustrate the technical means adopted to achieve the objects of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a disk adapter 1, the disk adapter 1 includes an adapter seat 10 and a locking ring 30; as shown in fig. 3 and 4, the adapter 10 can be matched and combined with a central locking type hub 50 and is used for mounting a disc 80, and the locking ring 30 can be locked and combined with the central locking type hub 50 and press-fixed the disc 80. The central locking type hub 50 comprises a mandrel 51 and a disc mounting seat 52, the disc mounting seat 52 surrounds the mandrel 51 and forms a locking groove 53 with the mandrel 51, and the disc mounting seat 52 comprises a bolt groove tooth surface 521 on the outer peripheral surface and an internal thread surface 522 on the inner peripheral surface; the disk 80 has a central hole 81 at the axial center and six positioning holes 82 at equal intervals around the central hole 81.

As shown in fig. 2 and 5, the adapter 10 is in the form of an annular block, and the axial center thereof is provided with a sleeve hole 11 matching with the disk mounting seat 52, and the inner peripheral wall surrounding the sleeve hole 11 is provided with an inner spline tooth surface 12 matching with the spline tooth surface 521, so that the adapter 10 can be sleeved on the disk mounting seat 52 through the sleeve hole 11 and the inner spline tooth surface 12 is engaged with the spline tooth surface 521 for positioning.

The adapter 10 is provided with six positioning bolts 20 at equal intervals in a manner of surrounding the sleeving hole 11, so that the six positioning holes 82 of the disk 80 can be aligned and sleeved on the six positioning bolts 20 for positioning. In the embodiment shown in fig. 2, the adapter 10 is provided with six bolt holes 13 in the form of inner step holes at equal intervals in a manner of surrounding the sleeve hole 11, the six positioning bolts 20 are cylindrical and tightly fixed to the corresponding bolt holes 13, and one end of the positioning bolt 20 protrudes out of the bolt hole 13 to form a sleeve portion 21 for the positioning hole 82 to sleeve.

In another embodiment of the present invention, the bolt hole 13 may be formed in a straight hole with a single diameter, the positioning bolt 20 may be formed in a stepped column shape and tightly fitted to the bolt hole 13, the bolt hole 13 may be formed in a screw hole shape, and the positioning bolt 20 may be formed in a screw rod shape. In another embodiment of the present invention, the positioning bolt 20 can be directly embedded and fixed in the adapter 10, or can be directly formed by integrally protruding the adapter 10 to form the protruding socket portion 21. the present invention is not limited to the combination or forming method of the positioning bolt 20, as long as the adapter 10 can form six socket portions 21 surrounding the socket hole 11. In other embodiments of the present invention, three, four or five positioning bolts 20 may be disposed on the adapter 10, as long as three or more positioning bolts 20 are disposed at equal intervals to provide corresponding mounting and positioning for the disc, and the number of the positioning bolts 20 is not limited specifically.

As shown in fig. 2, 4 and 5, the locking ring 30 is in the form of an annular block and has a central hole 31, a threaded portion 32, six threaded holes 33 and six anti-loose bolts 34; the central hole 31 is located at the axial center of the locking ring 30 and has a specification and a size corresponding to the locking groove 53, the screw connection portion 32 is an annular structure surrounding the central hole 31 and protruding toward the locking groove 53, an external thread surface matching the internal thread surface 522 is provided on the outer peripheral surface of the screw connection portion 32, and the locking ring 30 can be locked and coupled to the disk mounting seat 52 by the screw connection portion 32 in a manner of being screwed to the internal thread surface 522. The six screw holes 33 are equally spaced around the screw connection portion 32 and penetrate the locking ring 30, and the six locking bolts 34 are threadedly engaged with the six screw holes 33. In other embodiments of the present invention, the number of the screw holes 33 and the locking bolts 34 may be three, four or five, and the locking bolts 34 may be provided with three or more at equal intervals, so that each locking bolt 34 can apply force uniformly, and the present invention is not limited to the number of the locking bolts 34.

The installation and use of the present invention is shown in fig. 2, fig. 3 and fig. 4, the adapter 10 is sleeved on the disk mounting seat 52 by engaging the inner spline tooth surface 12 with the spline tooth surface 521 of the disk mounting seat 52, and six positioning holes 82 of the disk 80 are aligned and sleeved on the six positioning bolts 20; then inserting the screw thread part 32 of the locking ring 30 into the locking groove 53 of the disk mounting seat 52, locking the locking ring 30 to the disk mounting seat 52 by the way of screw thread combination of the screw thread part 32 and the internal thread surface 522, and pressing and fixing the disk 80 and the adapter 10 by the locking ring 30; finally, as shown in fig. 3 and fig. 6, the locking bolts 34 are rotated to make each locking bolt 34 abut against the disk 80 to form a tight positioning.

Please refer to fig. 3, fig. 4 and fig. 6, when the locking bolt 34 is locked to the disc 80, a propping force is formed between the locking ring 30 and the disc 80, so that the combination between the screw portion 32 of the locking ring 30 and the internal thread surface 522 of the disc mounting seat 52 is more tight, the binding force between the locking ring 30 and the disc mounting seat 52 is effectively strengthened, the locking ring 30 is not easy to loosen after actuation, and the braking efficiency and the safety of the disc adapter 1 are effectively improved. Furthermore, the utility model discloses can further finely tune the installation angle of this dish 80 through the compelling power of adjusting each check bolt 34, avoid producing unnecessary wearing and tearing between this dish 80 and the brake clamp.

As shown in fig. 3 and 5, six positioning holes 82 of the disk 80 are respectively sleeved on the six positioning bolts 20 for positioning, and the disk 80 is pressed and tightened by the anti-loose bolts 34, so as to avoid the problem of looseness between the disk 80 and the adapter 10.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A disk adapter, comprising:

2. The adapter of claim 1, wherein the adapter seat is provided with three or more bolt holes in the form of inner step holes at equal intervals in a manner of surrounding the socket hole, and the same number of the positioning bolts are cylindrical and tightly fitted and fixed to the corresponding bolt holes.

3. The adapter of claim 2 wherein six of said alignment pins are equally spaced on said adapter.

4. The adapter of claim 1 wherein said alignment pin is embedded and fixedly coupled to said adapter.

5. The disk adapter of claim 1 wherein said alignment pin is integrally formed to project directly from said adapter.

6. The disc adapter according to any one of claims 1 to 5, wherein the locking ring is provided with three or more screw holes at equal intervals around the screw connection portion, and the same number of the locking bolts are screw-coupled to the corresponding screw holes.

7. The disc adapter of claim 6 wherein said locking ring is equally spaced with six of said locking bolts.