CN2905611Y - Detachable bicycle front fork accessory combination device - Google Patents

Abstract

A detachable front fork assembly connector for bicycle is composed of a fastening and fixing unit with a fastening rotary disk for fastening the front fork tube of bicycle to the front fork tube of bicycle, and a connecting seat for quickly assembling or disassembling the front fork assembly.

Description

Detachable bicycle front fork accessory combination device

technical field

The utility model relates to a detachable combination device for bicycle front fork accessories, in particular to a combination device which can provide bicycle accessories and front forks for fast combination, fixing or disassembly.

Background technique

When users use modern bicycles, they often attach various accessories such as fenders, backpack racks, etc. according to various needs. However, there are the following problems in the installation and removal of accessories: one is the inconvenience of installation and disassembly operations, and the other is The fixation of each accessory and the car body, especially the front fork due to the lack of universal connection structure, such as EP1029777, EP1188552, EP1435323 and other patent cases (hereinafter referred to as the previous case), the technical means disclosed are mainly to use a push-in component to Guide slots or rails can be combined with bicycle accessories (fenders) so as to achieve quick installation or disassembly operations. However, the use of such previous proposals is limited to the installation of specific accessories such as fenders, and its structure does not It cannot withstand the erection of heavy accessory carriers such as backpack racks. What's more, the combination of parallel wedges using guide grooves or rail guides is often due to the rough and bumpy off-road conditions of bicycles. Between the components combined by the grooves (or tracks), the gap is likely to increase, resulting in severe shaking and noise of the fender, which affects the riding and fun of riding.

Contents of the invention

The purpose of this utility model is to provide a combination device that can quickly combine with the front fork to fix or disassemble the bicycle accessories, which at least includes a tightening fixing group and a combination seat arranged on the accessories, wherein the tightening and fixing The group has a fastening turntable, which is built into and fixed inside the front fork tube of the bicycle by using the fastening and fixing group, and the fastening and fastening operation of fittings is achieved by using the fastening turntable to rotate and fasten the joint seat. It is the effect achieved by the utility model.

In order to achieve the above purpose, the utility model provides a detachable bicycle front fork fitting combination device, which is characterized in that it includes a tightening fixing group and a combination seat arranged on the accessories, wherein the tightening fixing group is the same as The combination seat is rotated and fastened, and its upper end is tightly fixed to the inner tube of a front fork.

The pressing and fixing group is composed of a pressing block, a sleeve, a base, a fastening turntable, an elastic component and a positioning seat.

Two limit posts are arranged at the bottom of the base.

The lower section of the positioning seat is a circular disc body, and more than one positioning groove is provided on the peripheral edge of the bottom.

The fastening turntable is provided with a through hole in the center, and its bottom is located on the periphery of the through hole to be provided with more than one fastening components.

The top surface of the fastening turntable has two opposite arc-shaped grooves.

The fastening component of the fastening turntable has a groove on one side, so that a fastening edge is formed on the side.

More than one inserting groove is provided on the peripheral top surface of the combination base.

One side of the inserting groove is provided with a fastening hole.

A circular groove is arranged in the center of the combination seat, and there is a through hole and more than one limiting posts in it.

Description of drawings

Fig. 1 is a three-dimensional exploded view one of the utility model;

Fig. 2 is a three-dimensional exploded view two of the utility model;

Fig. 2A is another three-dimensional appearance view of the base of the utility model;

Fig. 2B is another three-dimensional appearance view of the fastening turntable of the utility model;

Fig. 3 is a three-dimensional combined view of the utility model;

Fig. 4 is the sectional combination diagram of the utility model;

Fig. 5 is a schematic diagram of the operation of the utility model one;

Fig. 6 is a schematic diagram of the second operation of the utility model;

Fig. 7 is a schematic diagram of the operation of the utility model three;

Fig. 8 is Fig. 1 of another embodiment of the utility model;

Fig. 9 is Fig. 2 of another embodiment of the present utility model.

Detailed ways

Fig. 1 is a three-dimensional schematic diagram of the utility model, the utility model detachable bicycle front fork accessory combination device, which includes a tightening fixing group 1 and a combination seat 20 arranged on the accessory 2, wherein the tightening fixing group 1 There is a fastening turntable 14 for rotating and fastening with the joint seat 20, and its upper end can be tightly fixed on the inner tube portion 30 of a front fork 3 (please refer to Fig. 3 and 4).

Fig. 2 is a three-dimensional exploded schematic diagram of the utility model, the said tightening and fixing group 1 is composed of a tightening block 11, a bunch of sleeves 12, a base 13, a fastening turntable 14, an elastic component 15 and a positioning seat 16 consisting of:

The pressing block 11 is a conical block body 110 with more than one rib 111 on its periphery, the lower section of the rib 111 is an inclined plane 112 with a perforation 113 in the center and a nut 114 at its upper end ;

The harness 12 is provided with more than one notch 122 on its periphery, so that an elastic sheet 121 is formed between adjacent notches 122, and a longitudinal guide groove 123 is formed in the center of the inner side of the elastic sheet 121, and the A polygonal hole 124 is provided at the bottom of the harness 12;

The base 13 is provided with a polygonal cylinder 131 on the top, and a circular shaft 133 (as shown in FIG. 2A ) extends from the bottom, and has a middle hole 132, and a circle is provided outside the circular shaft 133. shaped groove 135 and two limit posts 134, 136;

The fastening turntable 14 has a handle 141, and a through hole 142 is provided in the center, and two opposite arc-shaped grooves 146, 147 are formed on its top surface 140, and a bottom is located outside the periphery of the through hole 142 The above fastening component 143 has a groove 145 on one side thereof, so that the side of the fastening component 143 forms a fastening edge 144 (as shown in FIG. 2B );

The positioning seat 16 is that the upper section is a circular shaft 160 that can pass through an elastic component 15, and the lower section is a circular disc body 162 with a through hole 161 in the center for a bolt 17 to penetrate into the said positioning seat 16 from the bottom. The through hole 161 is locked with the nut 114, and the bottom periphery of the circular disk body 162 is provided with more than one positioning groove 163;

The combination seat 20 of the present utility model is a seat body arranged on the accessory 2, and has a circular groove 201 in the center, a through hole 202 and more than one limit post 203 inside, and the circular The peripheral top surface 204 outside the groove 201 is provided with more than one inserting groove 205 , and the side of the inserting groove 205 is hollow to form a fastening hole 206 .

Through the composition of the above components, when installing accessories 2 (such as fenders), please refer to Figures 3 and 4, and first use a bolt 17 to pass through the through hole 161 of the positioning seat 16, the elastic component 15, and the fastening turntable. 14 through hole 142, base 13, harness 12, and locked with the nut 114 of the pressing block 11 to complete the combination of a pressing and fixing group 1, and then put its upper section into the front fork 3 The inner tube part 30 of the front fork 3 is fastened to the inner tube part 30 of the front fork 3 by tightening the bolt 17 to force the clamping block 11 to press the bundle sleeve 12 outward until it is fastened to the inner tube part 30 of the front fork 3; The seat 20 is opposite to the lower end of the pressing and fixing group 1, so that the circular disc body 162 of the positioning seat 16 is inserted into the circular groove 201 of the coupling seat 20, and its positioning groove 163 is just corresponding to the The position-limiting post 203 is engaged and positioned. At this time, the fastening component 143 of the fastening turntable 14 is also inserted into the insertion groove 205 of the joint seat 20 (as shown in FIG. 6 ), and then pushed by fingers The handle 141 makes the fastening turntable 14 rotate, and its rotational movement will be limited by the two limit posts 134, 136 of the base 13 along with the two arc-shaped grooves 146, 147 (as shown in FIG. 5 ). , so that the rotation of the fastening turntable 14 can correctly put its fastening edge 144 into the fastening hole 206 of the joint seat 20, so as to achieve joint fixation (as shown in Figure 7); on the contrary, if you want to disassemble the accessories 2, then reversely rotate the fastening turntable 10 to complete the disassembly and disengagement operation of the fastening and fixing group 1 and the joint seat 20.

Figures 8 and 9 are the embodiments of the utility model implemented on the backpack rack 2', that is, the tightening fixing group 1' of the utility model is installed and fixed on the inner tube of the front fork as in the above-mentioned embodiment, and then the backpack rack 2 The assembly of a combination seat 20' provided on the '' and the pressing and fixing group 1', the installation, combination and disassembly operations are completely the same as the above-mentioned embodiment.

In summary, the utility model can provide bicycle accessories (such as fenders, backpack racks, etc.) and bicycle front forks for quick assembly and disassembly operations, and has practical and progressive benefits.

Claims (10)

1. A detachable combination device for bicycle front fork accessories, characterized in that it includes a fastening and fixing group and a joint seat arranged on the accessories, wherein the fastening and fixing group is rotatably buckled with the joint seat , the upper end of which is tightly fixed to the inner tube of a front fork. 2. The detachable combination device for bicycle front fork accessories as claimed in claim 1, characterized in that: said tightening and fixing group is composed of a tightening block, a bunch of sleeves, a base, a fastening turntable, an elastic It is composed of components and a positioning seat; the center of the pressing block has a perforation, and a nut is arranged at the upper end; the positioning seat and the fastening turntable are respectively provided with through holes; a bolt passes through the through holes of the positioning seat in sequence Holes, elastic components, fastening through holes of the turntable, base, harness sleeve, and locking with the nut of the pressing block. 3. The detachable bicycle front fork accessory combination device according to claim 2, characterized in that: the bottom of the base is provided with two limit posts. 4. The detachable bicycle front fork accessory combination device according to claim 2, characterized in that: the lower section of the positioning seat is a circular disc body, and more than one positioning groove is provided on the peripheral edge of the bottom. 5. The detachable combination device for bicycle front fork accessories as claimed in claim 2, characterized in that: the fastening turntable is provided with a through hole in the center, and its bottom is located at the periphery of the through hole and is provided with more than one snap-fit components. 6. The detachable bicycle front fork accessory combination device according to claim 5, characterized in that: the top surface of the fastening turntable has two opposite arc-shaped grooves. 7. The detachable combination device for bicycle front fork accessories according to claim 5, characterized in that: the fastening component of the fastening turntable has a groove on one side, so that a fastening is formed on its side edge. 8. The detachable combination device for bicycle front fork accessories according to claim 1, characterized in that: the top surface of the periphery of the combination seat is provided with more than one insertion groove. 9. The detachable combination device for bicycle front fork accessories according to claim 8, wherein a fastening hole is provided on one side of the inserting groove. 10. The detachable combination device for bicycle front fork accessories according to claim 8, characterized in that: a circular groove is provided in the center of the combination seat, and there is a through hole and more than one limiting post inside.

Images