CN215361695U

CN215361695U - Bicycle frame convenient to disassemble

Info

Publication number: CN215361695U
Application number: CN202121213990.9U
Authority: CN
Inventors: 刘新泉
Original assignee: Tianjin Xinbaichuan Technology Co ltd
Current assignee: Tianjin Xinbaichuan Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-31
Anticipated expiration: 2031-06-01

Abstract

The utility model relates to the technical field of bicycle frames, in particular to a bicycle frame convenient to disassemble. The utility model aims to solve the technical problems that the stability of the existing partial bicycle frame in the process of threaded connection is poor, and the process of mounting and dismounting the existing partial bicycle frame is relatively labor-consuming. In order to solve the technical problem, the utility model provides a bicycle frame convenient to disassemble, which comprises a frame seat pipe, wherein the upper part and the lower part of the frame seat pipe are fixedly connected with connecting sleeves. Pulling the pull ring, peg graft respectively the adapter sleeve at both ends about frame seat pipe inside with cross bar under frame and the frame through the connector that corresponds fixed connection again, make the pull ring remove to take the locking piece inside the slot that the joint was seted up on the connector is inside sliding and joint in the adapter sleeve, realize the installation locking between cross bar and the frame under frame seat pipe, the frame, for threaded connection's mounting means stability is better, promote the security of riding.

Description

Bicycle frame convenient to disassemble

Technical Field

The utility model relates to the technical field of bicycle frames, in particular to a bicycle frame convenient to disassemble.

Background

The bicycle can be used as an environment-friendly vehicle for riding instead of walking and going out, more and more people use the bicycle as fitness equipment for riding exercise and traveling, the frame is an essential part of the bicycle, the existing bicycle frames are all integrated at present, the bicycle frame is complicated in packaging or transportation, the size is large, a large packaging box is needed for packaging, the packaging and transportation cost is increased, the occupied space is large, and the bicycle is inconvenient to place;

the prior patent (publication number: CN209426954U) discloses a bicycle frame convenient to mount and dismount, which comprises a frame seat tube, a first connecting plate, a frame rear upper fork, a frame rear lower fork, a second connecting plate, a five-way tube and a second connecting tube. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. the bicycle frame is connected through the threads, vibration is generated in the bicycle riding process, and a locking structure is not arranged, so that the threaded connection part is easy to be unstable, and certain potential safety hazards are caused; 2. this bicycle frame is through the screw thread that sets up, and rotatory rotation is installed or is dismantled the part of frame, need rotate the frame part for a long time at the driving or production installation or dismantle the in-process and realize a large amount of equipment work, and is harder, increases staff's amount of labour, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a bicycle frame convenient to disassemble, which solves the problems that the stability is poor in the process of threaded connection of the existing partial bicycle frame and the process of assembling and disassembling the existing partial bicycle frame is more laborious.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a bicycle frame convenient to disassemble comprises a frame seat pipe, wherein the upper part and the lower part of the frame seat pipe are fixedly connected with connecting sleeves, the inner walls of the connecting sleeves are provided with hexagonal grooves, the insides of the hexagonal grooves are movably connected with connectors, one end of each connector at the upper part is fixedly connected with an upper frame cross rod, one end of each connector at the lower part is fixedly connected with a lower frame fork rod, and a connecting rod is hinged between each lower frame fork rod and the upper frame cross rod;

six slots are formed in the surface of the connector at equal intervals along the circumference, and a base plate is movably connected inside each slot;

the side wall of the connecting sleeve is provided with a ring groove, the inside of the ring groove is movably inserted with a pull ring, the inner wall of the pull ring is provided with six chutes at equal intervals along the circumference, the insides of the chutes are lapped with locking blocks, the middle parts of the locking blocks are movably connected inside the connecting sleeve, and one ends of the locking blocks, which are far away from the chutes, are lapped on the surface of the backing plate;

the limiting groove has been seted up to the outer wall of pull ring, the inner wall fixedly connected with spacing ring of annular, swing joint has compression spring between the lateral wall of spacing ring and the inner wall of limiting groove.

Further preferably, the connecting rod is set to be H-shaped, the bottom of the upper cross rod of the frame is fixedly connected with a hinged block, and one end of the connecting rod is hinged to the lower portion of the hinged block.

Further preferably, the inner wall symmetry of slot has seted up the groove that resets, backing plate sliding connection is in the inside in groove that resets, fixedly connected with reset spring between the surface of backing plate and the inner wall in groove that resets, when the chute removed along with the pull ring and reduced the support to the locking piece and press, reset spring supported and pressed the backing plate and removed, made the backing plate push away the locking piece and removed the grafting state with the slot.

Further preferably, six round holes are formed in the middle of the connecting sleeve at equal intervals along the circumference, and the locking block is movably inserted into the round holes, so that the stability of the locking block in the moving process is improved.

Further preferably, one end, close to the chute, of the locking block is a conical surface, the other end of the locking block is an arc surface, and the locking block with the conical surface is convenient to slide in cooperation with the inner wall of the chute, so that the chute is pushed to move along with the pulling ring in the moving process.

Further preferably, the axle center position fixedly connected with hexagonal piece of connector, the connector passes through the activity of hexagonal piece and pegs graft in the inside in hexagonal groove, the connector is close to adjacently the one end of adapter sleeve is established to the toper, and the inside locking piece of pressure adapter sleeve is removed to chute inside when conical connector setting is convenient for the connector to insert the inside of adapter sleeve, avoids causing the interference.

(III) advantageous effects

The utility model provides a bicycle frame convenient to disassemble, which has the following beneficial effects:

(1) the connecting sleeve is matched with the connecting sleeve, the connecting head, the locking block and other components, the pull ring is pulled, the frame upper cross rod and the frame lower fork rod are respectively inserted into the connecting sleeve at the upper end and the lower end of the frame seat tube through the corresponding fixedly connected connecting heads, so that the pull ring moves to drive the locking block to slide in the connecting sleeve and be clamped in the slot formed in the connecting head, the mounting and locking among the frame seat tube, the frame upper cross rod and the frame lower fork rod are realized, the stability is better compared with a mounting mode of threaded connection, and the riding safety is improved.

(2) According to the utility model, through the matching use of the connecting sleeve, the pull ring, the compression spring and other components, the pull ring is pulled, so that the chute in the pull ring releases the pressing on the locking block, at the moment, the base plate presses the locking block to move to release the insertion connection with the slot, the connector can be pulled out from the inside of the connecting sleeve, the quick disassembly and the installation are convenient, and the practicability is strong.

Drawings

FIG. 1 is a front cross-sectional view of the position of the frame seat tube and the tie rod of the present invention;

FIG. 2 is a front sectional view of the frame upper cross bar and the local position of the connecting sleeve of the connecting head according to the present invention;

FIG. 3 is a side view of the connecting head of the present invention;

fig. 4 is a top view of the connecting rod of the present invention.

In the figure: 1, a frame seat tube; 2, connecting sleeves; 3 a hexagonal groove; 4, connecting heads; 5, a frame upper cross bar; 6, a lower fork rod of the frame; 7 connecting rods; 8 slots; 9 backing plates; 10, a ring groove; 11 a pull ring; 12 chute; 13 locking block; 14, a limiting groove; 15, a limiting ring; 16 compress the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a convenient bicycle frame of dismantling, including frame seat pipe 1, the equal fixedly connected with adapter sleeve 2 in upper portion and lower part of frame seat pipe 1, hexagonal groove 3 has been seted up to the inner wall of adapter sleeve 2, the inside swing joint of hexagonal groove 3 has connector 4, the axle center fixedly connected with hexagonal piece in position of connector 4, connector 4 pegs graft in the inside of hexagonal groove 3 through hexagonal piece activity, connector 4 is close to the one end of adjacent adapter sleeve 2 and establishes to the toper, horizontal pole 5 on the one end fixedly connected with frame of upper portion connector 4, fork arm 6 under the one end fixedly connected with frame of sub-unit connection 4, it has connecting rod 7 to articulate between horizontal pole 5 on frame 6 and the frame, connecting rod 7 establishes to the H type, the articulated piece of bottom fixedly connected with of horizontal pole 5 on the frame, the one end of connecting rod 7 articulates the lower part at articulated piece.

Six slots 8 have been seted up along circumference equidistance on the surface of connector 4, and the inside swing joint of slot 8 has backing plate 9, and the groove that resets has been seted up to slot 8's inner wall symmetry, and backing plate 9 sliding connection is in the inside in groove that resets, fixedly connected with reset spring between backing plate 9's the surface and the inner wall in groove that resets.

The side wall of the connecting sleeve 2 is provided with an annular groove 10, the inside of the annular groove 10 is movably inserted with a pull ring 11, the inner wall of the pull ring 11 is provided with six inclined grooves 12 at equal intervals along the circumference, the inside of the inclined grooves 12 is overlapped with a locking block 13, the middle part of the locking block 13 is movably connected inside the connecting sleeve 2, the middle part of the connecting sleeve 2 is provided with six round holes at equal intervals along the circumference, the locking block 13 is movably inserted inside the round holes, one end of the locking block 13 far away from the inclined grooves 12 is overlapped on the surface of the backing plate 9, one end of the locking block 13 close to the inclined grooves 12 is provided with a conical surface, the other end of the locking block 13 is provided with an arc surface, the inclined grooves 12 inside the pull ring 11 are gradually reduced in abutting pressure on the locking block 13 by pulling the pull ring 11, at the moment, the backing plate 9 is pressed to the outside of the slot 8 through a return spring to move, the backing plate 9 is pressed against the locking block 13 to remove the insertion between the slot 8, and the connector 4 can be pulled out from the inside of the connecting sleeve 2, is convenient for being rapidly disassembled and assembled, and has strong practicability.

The outer wall of the pull ring 11 is provided with a limit groove 14, the inner wall of the annular groove 10 is fixedly connected with a limit ring 15, a compression spring 16 is movably connected between the side wall of the limit ring 15 and the inner wall of the limit groove 14, when in use, the pull ring 11 is pulled, so that the chute 12 arranged on the inner wall in the moving process of the pull ring 11 moves to reduce the abutting pressure on the locking block 13, then the frame upper cross rod 5 and the frame lower fork rod 6 are respectively inserted into the connecting sleeves 2 at the upper end and the lower end of the frame base pipe 1 through the corresponding fixedly connected connectors 4, the conical end of the connector 4 abuts against the arc end of the locking block 13 to abut against the inside of the connecting sleeves 2, when the hexagonal block on the connector 4 is inserted into the hexagonal groove 3 inside the connecting sleeves 2, the pull ring 11 is loosened, at the moment, the compression spring 16 drives the pull ring 11 to move, so that the pull ring 11 is matched with the abutting pressure on the locking block 13 through the chute 12 to slide in the connecting sleeves 2 and is clamped in the slot 8 arranged on the connector 4, the installation locking between the frame seat tube 1, the frame upper cross rod 5 and the frame lower fork rod 6 is realized, the stability is better compared with the installation mode of threaded connection, and the riding safety is improved.

The working principle is as follows:

when the device is used, the pull ring 11 is pulled, so that the inclined grooves 12 formed in the inner wall of the pull ring 11 move to reduce the abutting pressure on the locking blocks 13 in the moving process of the pull ring 11, then the frame upper cross rod 5 and the frame lower fork rod 6 are respectively inserted into the connecting sleeves 2 at the upper end and the lower end of the frame seat tube 1 through the corresponding fixedly connected connectors 4, the conical ends of the connectors 4 abut against the arc ends of the locking blocks 13, the locking blocks 13 abut against the insides of the connecting sleeves 2, when the hexagonal blocks on the connectors 4 are inserted into the hexagonal grooves 3 inside the connecting sleeves 2, the pull ring 11 is loosened, the compression spring 16 drives the pull ring 11 to move at the moment, so that the pull ring 11 abuts against the locking blocks 13 through the cooperation of the inclined grooves 12 to slide in the connecting sleeves 2 and is clamped in the inserting grooves 8 formed in the connectors 4, the mounting locking among the frame seat tube 1, the frame upper cross rod 5 and the frame lower fork rod 6 is realized, and the mounting and the stability of a threaded connection is better, the riding safety is improved; through pulling pull ring 11, make the inside chute 12 of pull ring 11 reduce gradually to the support of locking piece 13 and press, backing plate 9 supports through reset spring and moves to the outside of slot 8 this moment, makes backing plate 9 support and presses locking piece 13 to remove and relieve and the grafting between the slot 8, just can take connector 4 out from the inside of adapter sleeve 2, is convenient for dismantle fast and installs, and the practicality is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model.

Claims

1. The utility model provides a bicycle frame of convenient dismantlement, includes frame seat pipe (1), its characterized in that: the upper part and the lower part of the frame seat pipe (1) are both fixedly connected with a connecting sleeve (2), the inner wall of the connecting sleeve (2) is provided with a hexagonal groove (3), the inside of the hexagonal groove (3) is movably connected with a connector (4), one end of the connector (4) at the upper part is fixedly connected with a frame upper cross rod (5), one end of the connector (4) at the lower part is fixedly connected with a frame lower fork rod (6), and a connecting rod (7) is hinged between the frame lower fork rod (6) and the frame upper cross rod (5);

six slots (8) are formed in the surface of the connector (4) at equal intervals along the circumference, and a backing plate (9) is movably connected inside each slot (8);

the side wall of the connecting sleeve (2) is provided with an annular groove (10), a pull ring (11) is movably inserted into the annular groove (10), six chutes (12) are formed in the inner wall of the pull ring (11) at equal intervals along the circumference, locking blocks (13) are overlapped inside the chutes (12), the middle parts of the locking blocks (13) are movably connected into the connecting sleeve (2), and one ends, far away from the chutes (12), of the locking blocks (13) are overlapped on the surface of the backing plate (9);

spacing groove (14) have been seted up to the outer wall of pull ring (11), the inner wall fixedly connected with spacing ring (15) of annular (10), swing joint has compression spring (16) between the lateral wall of spacing ring (15) and the inner wall of spacing groove (14).

2. A bicycle frame of claim 1, wherein: the connecting rod (7) is arranged in an H shape, the bottom of the upper cross rod (5) of the frame is fixedly connected with a hinged block, and one end of the connecting rod (7) is hinged to the lower portion of the hinged block.

3. A bicycle frame of claim 1, wherein: reset grooves are symmetrically formed in the inner walls of the inserting grooves (8), the backing plate (9) is connected to the inner portions of the reset grooves in a sliding mode, and reset springs are fixedly connected between the surfaces of the backing plate (9) and the inner walls of the reset grooves.

4. A bicycle frame of claim 1, wherein: six round holes are formed in the middle of the connecting sleeve (2) at equal intervals along the circumference, and the locking block (13) is movably inserted into the round holes.

5. A bicycle frame of claim 1, wherein: one end of the locking block (13) close to the chute (12) is a conical surface, and the other end of the locking block (13) is an arc surface.

6. A bicycle frame of claim 1, wherein: the axle center position fixedly connected with hexagon piece of connector (4), connector (4) are pegged graft in the inside of hexagon groove (3) through hexagon piece activity, connector (4) are close to adjacently the one end of adapter sleeve (2) is established to the toper.