CN2499326Y

CN2499326Y - Locking device after bicycle handle separating

Info

Publication number: CN2499326Y
Application number: CN 01219316
Authority: CN
Inventors: 王平典
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-11
Filing date: 2001-04-11
Publication date: 2002-07-10
Anticipated expiration: 2011-04-11

Abstract

The utility model relates to a locking device after bicycle handle separating, wherein the appropriate part of the frame of a bicycle is fixed with a through fixing pipe hollow in transverse direction; a bicycle handle is inserted into the front fork pipe of the bicycle; the vertical rod of the bicycle handle is a hollow through rod body with an inclined hemline; the inside top of the vertical rod is inserted with a screw stem; the bottom end of the screw stem which passes through the vertical rod is screwed up with a columnar fastening locating piece with an inclined superface and attached to the hemline of the vertical rod; the vertical rod of the handle and the fastening locating piece positioned at the bottom end of the vertical rod are inserted into the fixing pipe of the frame after being released from the front fork pipe; then, a spiral screw stem drives the fastening locating piece to move towards the vertical rod along the screw stem and makes the superface of the fastening locating piece prop up against the hemline of the vertical rod. Therefore, the bicycle handle is fixed on the frame as the screw stem rotates.

Description

Locking device for separated bicycle handlebar

The present invention relates to a locking device for a separated bicycle handle, and more particularly to a locking device for a separated bicycle handle, which can be fixed and locked to a frame of a bicycle, and has the advantages of reduced material volume, easy transportation and storage, and easy operation, and can assist in positioning the folded bicycle. Belongs to bicycle loading and transporting accessories.

Generally, the bicycle manufacturers mostly adopt the method of increasing the single delivery to reduce the transportation cost, so that the handle, which is pre-assembled with the brake cable and the speed changing cable, is not assembled with the bicycle body but is attached to the side of the bicycle body and then installed in the packing box, thereby reducing the overall height and volume for transportation; after the bicycle is purchased, the consumer only needs to install the handle with the preset brake cable and the preset speed changing cable on the front fork tube of the bicycle body, and the method of separating the handle from the bicycle body to reduce the material volume and facilitate the transportation is more common on the folding bicycle. The conventional foldable bicycle has the advantages of greatly reducing the occupied space of the bicycle body because the front and rear frames of the bicycle body can be folded and folded relatively, reducing the material volume for the manufacturer, and simultaneously having the effects of easy carrying, carrying and storage for the consumer; the handle of the common folding bicycle is inserted into the front fork tube of the bicycle body and then has a few opportunities to take off the handle, so that the problem of the occupied space caused by the insertion of the handle into the front fork tube of the bicycle body is solved by adopting a mode of designing the handle into a variable folding mode, but the utility model discloses the discovery is carried out after researching the handle of the bicycle (no matter folding or non-folding bicycle), and the known structure has a plurality of problems which are often ignored:

1. in terms of carrying and transporting, although the handle is flatly placed on one side of the frame, the problem of generating defective products due to paint falling, deformation and the like caused by the fact that the handle collides with the frame due to negligence is difficult to avoid in the carrying, placing and transporting path.

2. In terms of assembly, the frame and the handle are separated, but the frame and the handle are connected with each other by a plurality of brake cables and a speed change cable, when a consumer takes out the frame, the consumer often forgets to support the handle, so that the handle falls to the ground or pulls the cable body of the handle, thereby causing the problem of loose deformation.

3. In the foldable bicycle, in order to make the handle bar capable of being bent to reduce the volume, the handle bar portion needs to be added with bendable joints and various members for positioning, which makes the members complicated and increases the cost.

4. In terms of folding state, if there is no positioning device after the front and rear frames of the vehicle body are folded, the front and rear frames will always be opened at any time with the pivot joint as the fulcrum, especially when the user moves, which is most likely to happen, causing great inconvenience and difficulty for the user.

The utility model relates to a locking device behind bicycle handle separation, its purpose: the utility model has the advantages of saving material, convenient carrying and storage, simple operation and auxiliary positioning of the folded bicycle.

The utility model relates to a locking device after the separation of a bicycle handle, a transverse hollow through fixing tube is fixedly arranged at a proper position of a frame of the bicycle; the bicycle handle is inserted in the front fork tube of the bicycle, the upright post of the bicycle handle is a hollow through rod body, the bottom edge of the upright post is inclined, a screw rod is inserted in the upright post from the top, the bottom end of the screw rod penetrates out of the upright post, and a columnar tightening positioning block which has an inclined top surface and can be attached to the bottom edge of the upright post is screwed on the bottom end of the screw rod; the handle upright post and the pressing positioning block at the bottom end of the handle upright post can be inserted into the fixed tube of the frame after being released from the front fork tube, then the screw rod is rotated to drive the pressing positioning block to move towards the upright post on the screw rod and enable the top surface of the pressing positioning block to be attached to the bottom edge of the upright post, and central shafts of the pressing positioning block and the upright post are gradually staggered along with the rotation of the screw rod, so that opposite outer side walls of the pressing positioning block and the upright post are tightly abutted to the inner wall of the fixed tube to be in a pressing locking state, a handle of the bicycle is locked and fixed on the frame, the effects of reducing material volume, facilitating carrying and storage, being simple to operate and assisting in clamping and positioning the folded bicycle are achieved.

Wherein, the top end of the screw rod can be pivoted with an operating rod so as to drive the screw rod to rotate.

Wherein, the outer wall of the longer side of the packing positioning block can be annularly provided with a plurality of straight ribs to increase the friction force.

Wherein, the other side of the fixed tube can be plugged with a protective sleeve to prevent the screw rod from protruding outwards and to prevent dust and foreign matters from entering.

The utility model relates to a locking device behind bicycle handle separation, its advantage is as follows:

1. in packaging and carrying, the handle is not assembled on the front fork tube but is fixedly locked on the rear frame, so that the packaging body can be effectively reduced, and the conditions of paint falling, deformation and the like caused by handle collision are avoided during carrying.

2. When a consumer buys back and opens the packing box to take out the bicycle, the handle is fixedly arranged on the bicycle body, so that the situations that the handle falls off and pulls the bicycle body and the like due to overweight and no time for taking the handle are avoided.

3. Because the handle is directly taken down to reduce the volume, it is not necessary to add a bendable joint on the handle portion like the conventional foldable bicycle, so as to simplify the overall structure and greatly reduce the manufacturing cost.

4. When the handle is fixed on the rear frame, the front frame is pressed by the handle to be in a positioning state, so that the folding joint between the front frame and the rear frame is not used for opening and opening when the folding bicycle is moved (such as being taken out for use or being stored after use), and the folding bicycle has the effect of assisting to clamp and position the folded bicycle when being used on the folding bicycle.

5. The outer wall of the longer side of the pressing positioning block is provided with a straight rib, which can greatly increase the friction force between the pressing positioning block and the inner wall of the front fork tube and the fixing tube, so that the locking and fixing function of the handle is more reliable without falling off.

To sum up, the utility model discloses utilize and release the handle and take off and fixed locking the mode of fixed pipe on the frame to solve the handle separation back of knowing bicycle because of not having the lock compact easily drop or the collision scheduling problem, and then can effectively reduce the volume of timber, be convenient for transport and collection and easy and simple to handle to and supplementary advantages and efficiency such as cliping the bicycle location of folding back.

The utility model discloses have following drawings:

fig. 1 is an exploded view of the middle handle and the frame of the present invention.

Fig. 2 is a partially enlarged schematic view of fig. 1.

Fig. 3 is a first schematic diagram of the operation of the present invention.

Fig. 4 is a second schematic diagram of the operation of the present invention.

Fig. 5 is a schematic view of the handle of the present invention locked to the vehicle body.

Fig. 6 is a schematic view of the handle of the present invention locked to the front fork.

Fig. 7 is a partially enlarged view of fig. 6.

The numbers in the figures are as follows:

1 front frame 11 front fork tube 111 top cover

2 rear frame 21 fixed tube 211 protective sleeve

3 folding joint 4 handle 41 upright rod

42 screw 421 operating rod 43 packing positioning block

431 rib

The following detailed description of preferred embodiments is provided in conjunction with the drawings:

referring to fig. 1, the locking device of the present invention is illustrated by taking a foldable bicycle as an example, and the bicycle comprises a front frame 1 and a rear frame 2, wherein the front frame 1 and the rear frame 2 are connected by a foldable joint 3 capable of being pivotally positioned; wherein,

a handle 4 is inserted into a front fork tube 11 of the front frame 1, a vertical rod 41 of the handle 4 is a hollow through rod body, the bottom edge of the vertical rod 41 is inclined, a screw rod 42 is inserted into the vertical rod 41 from the top, please refer to fig. 2, an L-shaped operating rod 421 is pivoted at the top end of the screw rod 42, the bottom end of the screw rod 42 penetrates through the vertical rod 41 and is screwed with a columnar forcing positioning block 43, the top surface of which is inclined and can be attached to the bottom edge of the vertical rod 41, the outer wall of the longer side of the forcing positioning block 43 is annularly provided with a straight rib 431 (please refer to fig. 3) capable of increasing friction force;

a fixing tube 21 is fixed at a proper position of the rear frame 2 and has a through hole, the inner diameter of the fixing tube 21 is slightly larger than the rod diameter of the vertical rod 41 of the handle 4, and a protective cover 211 is inserted on one side of the fixing tube 21 (as shown in FIG. 4, the protective cover 211 is not absolutely necessary).

During assembly, the folding and folding state can be divided into two states, i.e. the folding and folding state is firstly, as shown in fig. 3 to 5, the folding joint 3 between the front and

rear frames

1, 2 is released and the front and

rear frames

1, 2 are relatively pivoted and folded, then the upright post 41 of the handle 4 and the tightening positioning block 43 at the bottom end thereof are inserted into the fixed tube 21 of the rear frame 2 (as shown in fig. 3), then the operating rod 421 is rotated to drive the screw rod 42 to rotate, so that the screw rod 42 drives the tightening positioning block 43 to linearly move on the screw rod 42 and move towards the upright post 41, the top surface of the tightening positioning block 43 is also attached to the bottom edge of the upright post 41, the tightening positioning block 43 gradually deviates along with the rotation of the screw rod 42, and the central axis of the upright post 41 and the central axis of the tightening positioning block 43 are not in the same line (staggered state), thereby, the outer wall of the tightening positioning block 43 having the rib 431 is tightly attached to the inner wall of the fixed tube 21 And are in a tightly-pressed and locked state (as shown in fig. 4) together, so that the bicycle handlebar 4 is firmly locked in the fixing tube 21 of the rear frame 2, and the protection cover 211 can seal the other side of the fixing tube 21, thereby preventing the screw rod 42 from protruding outwards and preventing dust and foreign matters from entering, and thus, the folding of the bicycle frame and the locking of the handlebar as shown in fig. 5 are completed; in addition, since the top end of the front fork 11 is open when the handle 4 is locked to the fixed tube 21, a top cover 111 (shown in fig. 2 and 5) can be inserted into the top end of the front fork 11 to protect the front fork 11 to prevent dust and foreign objects from falling into the front fork 11.

As can be seen from the state shown in FIG. 5 where the upright 41 of the handle 4 is inserted into the fixing tube 21 and locked, since the upright 41 is locked with the rear frame 2 and the handle 4 on the upright 41 is just against the front frame 1, the folded front and

rear frames

1 and 2 can be prevented from being opened, and a positioning state is presented for carrying, moving, or transporting.

Referring to fig. 6 and 7, when the bicycle is to be ridden, the handlebar 4 is released from the fixing tube 21, the front and

rear frames

1 and 2 are unfolded and the folding joint 3 is positioned, the upright 41 and the tightening positioning block 43 of the handlebar 4 are inserted into the front fork tube 11 of the front frame 1 (of course, the top cover 111 needs to be removed first), the operating rod 421 is rotated to drive the screw rod 42 to rotate, so that the opposite outer side walls of the upright 41 and the tightening positioning block 43 tightly abut against the inner wall of the front fork tube 11 to form a tightening locking state (as shown in fig. 7), and finally the tightened operating rod 421 is pulled down to abut against the front fork tube 11 to complete the riding state of the bicycle shown in fig. 6; on the contrary, when the bicycle is folded after the rider finishes riding, the front and

rear frames

1 and 2 are pivoted to each other by the above-mentioned operation means, and the handlebar 4 is released from the front fork 11, pushed into the fixing tube 21 and locked, so as to restore the state shown in fig. 4 and 5.

Claims

1. A locking device after a bicycle handle is separated is characterized in that: a transverse hollow through-hole fixing tube is fixed at a predetermined position of the bicycle frame; the bicycle handle is inserted in the front fork tube of the bicycle, the upright post of the bicycle handle is a hollow through rod body, the bottom edge of the upright post is inclined, a screw rod is inserted in the upright post from the top, the bottom end of the screw rod penetrates out of the upright post and is screwed with a columnar tightening positioning block, the top surface of the columnar tightening positioning block is inclined, and the columnar tightening positioning block can be attached to the bottom edge of the upright post; the handle upright stanchion and the packing positioning block at the bottom end thereof are inserted into the fixed pipe of the frame and locked after being released from the front fork pipe.

2. A bicycle handlebar post release locking device as claimed in claim 1, wherein: wherein, the top end of the screw rod is pivoted with an operating rod.

3. A bicycle handlebar post release locking device as claimed in claim 1, wherein: wherein, the outer wall of the longer side of the packing positioning block is annularly provided with a straight rib.

4. A bicycle handlebar post release locking device as claimed in claim 1, wherein: wherein, a protective sleeve is plugged on the other side of the fixed tube.