CN212354265U

CN212354265U - Electric bicycle frame rear fork connecting device

Info

Publication number: CN212354265U
Application number: CN202020985846.6U
Authority: CN
Inventors: 虞志君
Original assignee: Wuxi Lisu Locomotive Industry Co ltd
Current assignee: Wuxi Lisu Locomotive Industry Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-15
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a rear fork connecting device of an electric bicycle frame, which comprises two rear fork plates and fastening plates, wherein the fastening plates are respectively connected with one ends of the two rear fork plates, and the fastening plates are respectively connected with an adjusting part through a telescopic part; the telescopic piece comprises two sleeve seats and a pull rod, wherein one side surface of each of the two sleeve seats, which is close to each other, is sleeved on the surface of the pull rod; the adjusting piece comprises a fixed cylinder and an adjusting rod, and two clamping devices are arranged in the fixed cylinder. This kind of electric bicycle frame back fork connecting device, through the back fork yoke plate that sets up two separable distances, the bicycle frame's that the back fork yoke plate of being convenient for was installed as required size adjusts the distance of two back fork yoke plates, carries out fixed connection to two back fork yoke plates through the regulating part moreover, has set up a plurality of locating holes on the regulation pole of regulating part, and the stationary cylinder is connected in the different positions of locating hole, can adjust the distance of back fork yoke plate.

Description

Electric bicycle frame rear fork connecting device

Technical Field

The utility model relates to an electric bicycle technical field specifically is an electric bicycle frame rear fork connecting device.

Background

The rear fork component is positioned at the rear part in the bicycle structure, generally comprises two horizontal frames which are horizontally arranged and two vehicle frames which are obliquely arranged, and is used for mounting a rear wheel of the bicycle and plays a main supporting role in the bicycle.

In the prior art, the rear forks of the electric vehicle frames are connected by adopting a welding method, the production cost is overhigh, the processing technology is complicated, the rear forks of different models of electric vehicles in each section can have different sizes, the rear forks with different sizes are required to be manufactured, and the distance between fork plates of the rear forks can not be adjusted usually. Therefore, the invention provides an improvement to the rear fork connecting device of the electric bicycle frame.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a rear fork connecting device of an electric bicycle frame, which comprises two rear fork plates and fastening plates, wherein the fastening plates are respectively connected with one ends of the two rear fork plates, and the fastening plates are respectively connected with an adjusting part through a telescopic part;

the telescopic piece comprises two sleeve seats and a pull rod, wherein one side surface of each of the two sleeve seats, which is close to each other, is sleeved on the surface of the pull rod;

the adjusting part comprises a fixed cylinder and an adjusting rod, two clamping devices are arranged in the fixed cylinder, each clamping device comprises a fixed clamping piece, a clamping block and a rotating rod, one end of each fixed clamping piece is fixedly connected to the corresponding clamping block, and the other end of each fixed clamping piece is perpendicularly connected with the corresponding rotating rod.

As a preferred technical scheme of the utility model, mid-mounting has the fixed block in the pull rod, and the both sides of fixed block respectively with between the cover seat of homonymy through resumeing spring coupling, cover seat fixed connection is on the side that is close to each other on two mounting plates respectively.

As a preferred technical scheme of the utility model, the one side of keeping away from each other on two mounting plates is fixed respectively to the solid fixed cylinder, and adjusts the pole respectively through passing two mounting plates to pass solid fixed cylinder, clamping device in the solid fixed cylinder sets up along adjusting pole central symmetry.

As a preferred technical scheme of the utility model, fixedly connected with fixture block respectively on the side that is close to each other on the clamp splice, and the fixture block sets up respectively in the both sides of adjusting the pole.

As a preferred technical scheme of the utility model, adjust the pole and seted up a plurality of locating holes along its length direction, and the size of locating hole and the big or small phase-match of fixture block, fixture block activity inserts in the locating hole.

As an optimized technical scheme of the utility model, the lateral wall of a fixed section of thick bamboo is passed to the one end of bull stick to rotate and connect on the surface of fixed fastener.

As a preferred technical scheme of the utility model, two fixedly connected with connecting portion respectively on the side of keeping away from each other on the mounting plate, and connecting portion set up between extensible member and regulating part.

The utility model has the advantages that: this kind of electric bicycle frame back fork connecting device, back fork yoke plate through setting up two separable distances, the bicycle frame's of being convenient for back fork yoke plate installation as required size, adjust the distance of two back fork yoke plates, and carry out fixed connection to two back fork yoke plates through the regulating part, a plurality of locating holes have been set up on the regulation pole of regulating part, the different positions at the locating hole are connected to the solid fixed cylinder, can adjust the distance of back fork yoke plate, carry out elastic connection to two back fork yoke plates through the recovery spring in the extensible member among this device, when connecting, can make two back fork yoke plates be close to each other all the time, at the in-process that is close to, carry out the centre gripping to electric bicycle's wheel hub, prevent that back fork yoke plate from keeping away from wheel hub.

Drawings

Fig. 1 is a schematic structural view of a rear fork connecting device of an electric bicycle frame according to the present invention;

FIG. 2 is a schematic view of an adjusting member of the rear fork connecting device of an electric bicycle frame according to the present invention;

fig. 3 is a schematic view of the telescopic member of the rear fork connecting device of the electric bicycle frame of the present invention.

In the figure: 1. a rear fork plate; 2. a fastening plate; 3. a sleeve seat; 4. adjusting a rod; 5. a fixed cylinder; 6. a rotating rod; 7. a connecting portion; 8. positioning holes; 9. a pull rod; 10. a fixed block; 11. a restoring spring; 12. fixing the clamping piece; 13. a clamping block; 14. and (7) clamping blocks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the rear fork connecting device of an electric bicycle frame of the present invention comprises two rear fork plates 1 and fastening plates 2, wherein the fastening plates 2 are respectively connected to one ends of the two rear fork plates 1, and the fastening plates 2 are respectively connected to an adjusting member through a telescopic member;

the telescopic piece comprises two sleeve seats 3 and two pull rods 9, wherein one side surfaces of the two sleeve seats 3, which are close to each other, are respectively sleeved on the surfaces of the pull rods 9;

the adjusting part comprises a fixed cylinder 5 and an adjusting rod 4, two clamping devices are arranged in the fixed cylinder 5, each clamping device comprises a fixed clamping part 12, a clamping block 13 and a rotating rod 6, one end of each fixed clamping part 12 is fixedly connected to the corresponding clamping block 13, and the other end of each fixed clamping part 12 is perpendicularly connected with the corresponding rotating rod 6.

Wherein, mid-mounting has fixed block 10 in the pull rod 9, and is connected through recovering spring 11 between the both sides of fixed block 10 respectively and the cover seat 3 of homonymy, and cover seat 3 is fixed connection respectively on two mounting plates 2 a side that is close to each other, carries out fixed connection to two back fork boards 1 through recovering spring 11 between the cover seat 3.

Wherein, a fixed section of thick bamboo 5 is fixed respectively in the one side of keeping away from each other on two mounting plates 2, and adjusts pole 4 respectively through passing two mounting plates 2 to pass a fixed section of thick bamboo 5, clamping device in the fixed section of thick bamboo 5 sets up along adjusting 4 centrosymmetric, more stable in the time of the centre gripping.

Wherein, a side surface of the clamping block 13 close to each other is fixedly connected with a fixture block 14, the fixture blocks 14 are respectively arranged at two sides of the adjusting rod 4, and the fixture blocks 14 fix the adjusting rod 4.

Wherein, adjusting pole 4 and having seted up a plurality of locating holes 8 along its length direction, and the size of locating hole 8 and the size phase-match of fixture block 14, in fixture block 14 activity inserted locating hole 8, the matching of fixture block 14 and locating hole 8, when making fixed, more stable prevents to drop.

Wherein, one end of the rotating rod 6 passes through the side wall of the fixed cylinder 5 and is rotatably connected on the surface of the fixed clamping piece 12, and the rotating rod 6 adjusts the position of the fixed clamping piece 12.

Wherein, on the side of keeping away from each other on two mounting plates 2 respectively fixedly connected with connecting portion 7, and connecting portion 7 sets up between extensible member and regulating part, conveniently with back vent and connected to the frame.

The working principle is as follows: when the device is used, the two rear fork plates 1 with separable distances are arranged, the rear fork plates 1 can be conveniently installed according to the size of a bicycle frame required to be installed, the distance between the two rear fork plates 1 is adjusted, the two rear fork plates 1 are fixedly connected through the adjusting part, a plurality of positioning holes 8 are formed in the adjusting rod 4 of the adjusting part, the fixing cylinder 5 is connected to different positions of the positioning holes 8, the distance between the rear fork plates 1 can be adjusted, the rotating rod 6 on the fixing cylinder 5 is rotated to enable the rotating rod 6 to drive the two fixing clamping pieces 12 to move, when the clamping block 14 is far away from the adjusting rod 4, the rear fork plates 1 can be separated, after the proper distance is adjusted, the rotating rod 6 is reversely rotated again, the rotating rod 6 drives the clamping block 13 to be close to the adjusting rod 4, the clamping block 14 is inserted into the positioning holes 8, the fixing purpose is achieved, the two rear fork plates 1 are elastically connected through the restoring spring 11 in the telescopic part in the device, when connecting, enable two back fork yoke plates 1 and be close to each other all the time, at the in-process that is close to, carry out the centre gripping to electric bicycle's wheel hub, prevent that back fork yoke plate 1 from keeping away from wheel hub.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric bicycle frame back vent connecting device, includes two back vent fork boards (1) and mounting plate (2), its characterized in that:

the fastening plates (2) are respectively connected to one ends of the two rear fork plates (1), and the fastening plates (2) are respectively connected with the adjusting piece through telescopic pieces;

the telescopic piece comprises two sleeve seats (3) and two pull rods (9), wherein one side surface of each of the two sleeve seats (3) close to each other is sleeved on the surface of each pull rod (9);

the adjusting part comprises a fixed cylinder (5) and an adjusting rod (4), two clamping devices are arranged in the fixed cylinder (5), each clamping device comprises a fixed clamping piece (12), a clamping block (13) and a rotating rod (6), one end of each fixed clamping piece (12) is fixedly connected to the corresponding clamping block (13), and the other end of each fixed clamping piece (12) is perpendicularly connected with the corresponding rotating rod (6).

2. The electric bicycle frame rear fork attachment device of claim 1, wherein:

the utility model discloses a tie rod, including pull rod (9), fixed block (10) are installed to mid-mounting in pull rod (9), and are connected through recovering spring (11) between the both sides of fixed block (10) respectively and the cover seat (3) of homonymy, cover seat (3) respectively fixed connection on two mounting plates (2) a side that is close to each other.

3. The electric bicycle frame rear fork attachment device of claim 1, wherein:

the fixed cylinder (5) is respectively fixed on one side of two fastening plates (2) which are far away from each other, the adjusting rod (4) respectively penetrates through the two fastening plates (2) and penetrates through the fixed cylinder (5), and the clamping devices in the fixed cylinder (5) are symmetrically arranged along the center of the adjusting rod (4).

4. The electric bicycle frame rear fork attachment device of claim 1, wherein:

clamping blocks (14) are fixedly connected to one side face, close to each other, of the clamping block (13) respectively, and the clamping blocks (14) are arranged on two sides of the adjusting rod (4) respectively.

5. The electric bicycle frame rear fork attachment device of claim 4, wherein:

the adjusting rod (4) is provided with a plurality of positioning holes (8) along the length direction, the size of each positioning hole (8) is matched with that of each clamping block (14), and each clamping block (14) is movably inserted into each positioning hole (8).

6. The electric bicycle frame rear fork attachment device of claim 1, wherein:

one end of the rotating rod (6) penetrates through the side wall of the fixed barrel (5) and is rotatably connected to the surface of the fixed clamping piece (12).

7. The electric bicycle frame rear fork attachment device of claim 1, wherein:

two on the side of keeping away from each other on mounting plate (2) respectively fixedly connected with connecting portion (7), and connecting portion (7) set up between extensible member and regulating part.