CN213292495U

CN213292495U - Simple tail bicycle frame

Info

Publication number: CN213292495U
Application number: CN202021130229.4U
Authority: CN
Inventors: 霍守广
Original assignee: Ningbo Chenfan Auto Accessories Co ltd
Current assignee: Ningbo Chenfan Auto Accessories Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-28
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a bicycle technical field discloses a simple and easy type afterbody bicycle rack, including: the automobile chassis comprises a chassis, wherein a connecting device used for being connected with an automobile is arranged on the chassis; the bicycle frame comprises a support frame for supporting a bicycle, a bicycle frame and a bicycle frame, wherein the support frame is arranged on a bottom frame and is provided with a fastener for fastening the bicycle; the fixed bracket is arranged on the underframe and is positioned at the side edge of the supporting frame; the fixing bracket is provided with a fixing clamp for fixing the bicycle. The utility model has the advantages of, this simple and easy type afterbody bicycle rack's simple structure, with low costs, the structure is firm and adjust convenient, application scope is wide.

Description

Simple tail bicycle frame

Technical Field

The utility model relates to a bicycle technical field especially relates to a simple and easy type afterbody bicycle rack.

Background

With the popularization of household automobiles, many families usually carry many articles such as luggage, sports equipment and articles for daily use when going out for travel or doing outdoor sports. For some riding enthusiasts, the bicycle is usually carried along with the riding enthusiasts, and the riding enthusiasts can enjoy the scenery after the riding enthusiasts arrive at the destination. However, the bicycle is relatively large in size and inconvenient to carry, so that a plurality of people can add the tail bicycle frame at the tail of the automobile to facilitate transportation and carrying of the bicycle along with the automobile.

The stability when current afterbody bicycle frame, owing to require its fixed, so the structure of design all is relatively more complicated, leads to: in the use process, not only is the bicycle frame troublesome to install on the automobile, but also the bicycle is troublesome to install on the bicycle frame. And the complex structure makes the cost high, and the selling price is naturally high.

As publication number "CN 209833516U" discloses an on-vehicle bicycle frame convenient to adjust, including the supporting component who is used for connecting and supporting the bicycle to and connect in the fixed subassembly of automobile body, fixed subassembly can dismantle and be connected with a plurality of supporting components, and the supporting component includes backup pad, first support frame and second support frame, and first support frame and second support frame are connected respectively in the both ends of bracing piece, and fixed subassembly is including connecting in the fixed unit of automobile body and a plurality of dead levers of connecting supporting component. However, this type of bicycle frame is troublesome to handle when mounted on an automobile and has poor flexibility.

To the above problems of the existing vehicle-mounted bicycle frame, a simple tail bicycle frame with simple and stable structure, convenient and fast adjustment and wide application range needs to be designed.

SUMMERY OF THE UTILITY MODEL

The above is not enough to prior art, the utility model aims to solve the technical problem that a simple structure, firm is proposed, it is convenient to adjust, and application scope is wide simple and easy type afterbody bicycle frame.

The utility model provides a technical scheme that its technical problem adopted is, provides a simple and easy type afterbody bicycle frame, including:

the automobile chassis comprises a chassis, wherein a connecting device used for being connected with an automobile is arranged on the chassis;

the supporting frame is used for supporting a bicycle and arranged on the underframe, and a fastening piece for fastening the bicycle is arranged on the supporting frame;

the fixed bracket is arranged on the underframe and is positioned at the side edge of the supporting frame; the fixing bracket is provided with a fixing clamp for fixing the bicycle.

Further, the number of the supporting frames is the same as that of the fixing clamps; or the number of the supporting frames is one more than that of the fixing clips.

Furthermore, the support frame comprises a first support frame and a second support frame which are arranged side by side at intervals; the fixing clip comprises a first fixing clip and a second fixing clip, and the first fixing clip and the second fixing clip are different in height relative to the fixing support.

Furthermore, the first support frame and the second support frame both comprise a bottom plate and side walls connected to two sides of the bottom plate respectively, and the distance between the two side walls is gradually increased from the side close to the bottom plate to the side far away from the bottom plate.

Furthermore, a sliding groove is formed in the bottom plate, and a sliding block is arranged on the fastening piece; the sliding block is clamped in the sliding groove and can slide along the sliding groove.

Furthermore, end covers are arranged at two ends of the first supporting frame and two ends of the second supporting frame; the first support frame and the second support frame respectively comprise a left half section and a right half section which are connected through a connecting sheet, a T-shaped bolt is arranged in the sliding groove, and the T-shaped bolt penetrates through the connecting sheet and is connected with a nut; the left half section and the right half section are respectively provided with a T-shaped bolt.

Further, the first and second fixing clips each include: the clamping device comprises an upper clamping block, a lower clamping block, an adjusting screw rod and a spring, wherein the upper clamping block and the lower clamping block are hinged with each other; the spring is sleeved on the adjusting screw rod.

Further, the fastener comprises a fastening belt and an adjusting button matched with the fastening belt; the fastening band is provided with a plurality of clamping blocks along the length direction of the fastening band, and the adjusting button is provided with a clamping groove matched with the plurality of clamping blocks.

Further, the connecting device comprises a connecting box, a clamping piece and a fastening screw; the connecting box is arranged on the bottom frame; the clamping piece is arranged in the connecting box; the fastening screw is installed at the top of the connecting box and is positioned above the clamping piece.

Furthermore, the side wall of the connecting box, which is far away from the underframe, and the bottom of the connecting box are both provided with a through groove, and the two through grooves are communicated; and the connecting box is fixed on the underframe through a bolt and a nut, and a plastic decorative box is arranged on the connecting box.

The clamping piece is clamped in the through groove at the bottom of the connecting box, and a clamping curved surface with the section gradually reduced from top to bottom is arranged on the clamping piece.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

in the utility model, the connecting device comprises a connecting box, a clamping piece and a fastening screw, when the tail bicycle frame is arranged at the tail of the automobile, the connecting ball head on the automobile is aligned and clamped into the clamping piece, on one hand, the clamping curved surface on the clamping piece is attached to the ball head; on the other hand, the fastening screw at the top of the connecting box is adjusted for fixation; the bicycle frame is arranged at the tail part of the automobile in a matching way by two fixing modes, so that the bicycle frame is stable and reliable.

In the utility model, the frame of the bicycle is fixed by the first fixing clamp and the two wheels of the bicycle are fixed by the fastening belts and the adjusting buttons which are arranged at the two ends of the first support frame respectively, so that a firm triangular fixing structure is formed, and the bicycle is stable and reliable and is not easy to loosen; the bicycle fixed on the second support frame fixes the frame of the bicycle through a second fixing clamp, and two wheels of the bicycle are fixed through fastening belts and adjusting buttons at two ends of the second support frame respectively, so that a firm triangular fixing structure is formed; the fastening belts on the first support frame and the second support frame can slide along the sliding grooves to adapt to bicycles with different lengths, and the adjustment is very convenient; the length of first fixation clamp and second fixation clamp also can be adjusted to the bicycle of adaptation co-altitude not, this afterbody bicycle frame can be applicable to the bicycle of different specifications size promptly, and application scope is wide.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the fastener;

FIG. 3 is a schematic view of FIG. 2 with the knob housing removed;

FIG. 4 is a schematic view of a first retaining clip;

FIG. 5 is a schematic view of the structure of the connecting device;

FIG. 6 is a schematic structural diagram of the first support frame;

fig. 7 is a schematic view of fig. 6 from another perspective.

In the figure, the position of the upper end of the main shaft,

1. a chassis;

2. a connecting device; 20. a connection box; 21. a fastener; 22. fastening screws; 23. a plastic decorative box; 201. a through groove; 210. clamping the curved surface;

3. a support frame; 30. a fastener; 31. a first support frame; 32. a second support frame; 33. an end cap; 34. Connecting sheets; 35. a T-bolt; 301. a fastening tape; 302. an adjusting knob; 3011. a clamping block; 3012. a slider; 3021. a card slot; 311. a base plate; 312. a side wall; 3110. a chute;

4. fixing a bracket; 40. a fixing clip; 41. a first fixing clip; 42. a second fixing clip; 411. an upper clamping block; 412. a lower clamping block; 413. adjusting the screw rod; 414. a spring; 50. a signal lamp; 60. license plate installation department.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, a simple tail bicycle frame comprises: chassis 1, connecting device 2, support frame 3 and fixed bolster 4.

The automobile chassis comprises a chassis 1, wherein a connecting device 2 used for being connected with an automobile is arranged on the chassis 1; specifically, can install a connecting rod that has the bulb additional generally at the afterbody of car, and this connecting rod can dismantle with the car and be connected, when need not using, directly take off it can, and the connecting rod can with the 2 adaptations of connecting device of this scheme, need not be to car afterbody trompil or weld other connection structure again, do not influence the structure of automobile body. Wherein, because after the afterbody bicycle frame has been installed at the car afterbody, can shelter from the tail lamp that the car was originally, so the one end of keeping away from the car on chassis 1 is provided with signal lamp 50, signal lamp 50 distributes at chassis 1's both ends, be used for in time providing the warning effect for the back car, improve driving safety, specifically, signal lamp 50 is connected with the car through the joint, with car tail lamp synchronous display brake, signals such as turn to, be equipped with license plate installation department 60 between two signal lamps 50, be used for installing the license plate, because the original license plate region of car afterbody is sheltered from by afterbody bicycle frame, the event sets up this license plate installation department 60.

The supporting frame 3 is used for supporting a bicycle, is arranged on the underframe 1, and a fastening piece 30 for fastening the bicycle is arranged on the supporting frame 3;

the fixed support 4 is arranged on the underframe 1 and is positioned at the side edge of the support frame 3; the fixing bracket 4 is provided with a fixing clamp 40 for fixing the bicycle.

Preferably, the number of the supporting frames 3 is the same as that of the fixing clips 40; or the number of the supporting frames 3 is one more than that of the fixing clips 40. When the number of the support frames 3 is equal to that of the fixing clips 40, one bicycle is fixed to correspond to one fixing clip 40, and when the number of the support frames 3 is one more than that of the fixing clips 40, the frame of the rear bicycle and the frame of the front bicycle need to be fixed through a double-headed fixing clip.

The support frame 3 comprises a first support frame 31 and a second support frame 32 which are arranged side by side and at intervals; the fixing clip 40 includes a first fixing clip 41 and a second fixing clip 42, and the first fixing clip 41 and the second fixing clip 42 have different lengths with respect to the fixing bracket 4. The first fixing clip 41 is used for fixing the bicycle frame mounted on the first support frame 31, and the second fixing clip 42 is used for fixing the bicycle frame mounted on the second support frame 32; since the two bicycles are at different distances from the fixing bracket 4, the first fixing clip 41 and the second fixing clip 42 are provided at different heights.

As shown in fig. 4, each of the first fixing clip 41 and the second fixing clip 42 includes: an upper clamping block 411 and a lower clamping block 412 which are hinged with each other, an adjusting screw 413 which penetrates through the upper clamping block 411 and the lower clamping block 412, and a spring 414 which is arranged between the upper clamping block 411 and the lower clamping block 412; the spring 414 is sleeved on the adjusting screw 413, an adjusting knob is arranged at the end of the adjusting screw 413, and the tightness of the upper clamping block 411 and the lower clamping block 412 can be adjusted by rotating the adjusting knob, so that the bicycle can be clamped by proper clamping force. The first fixing clip 41 and the second fixing clip 42 are both hung on the fixing bracket 4, and specifically, the fixing bracket 4 is detachably fixed on the base frame 1 by a knob member (not labeled in the figure).

As shown in fig. 6 to 7, each of the first support frame 31 and the second support frame 32 includes a bottom plate 311 and side walls 312 respectively connected to two sides of the bottom plate 311, and the distance between the side walls 312 gradually increases from the side close to the bottom plate 311 to the side far from the bottom plate 311, so as to facilitate the placement of the wheel of the bicycle in the support frame 3; preferably, a sliding groove 3110 is arranged on the bottom plate 311, and a sliding block 3012 is arranged on the fastening piece 30; slider 3012 card is established in the spout 3110, and can follow the spout 3110 slides, and fastening area 30 on first support frame 31 and the second support frame 32 all can slide along spout 3110 to the bicycle of the different length of adaptation, and it is also very convenient to adjust, but the not bicycle of co-altitude of adaptation, this afterbody bicycle frame can be applicable to the bicycle of different specifications size promptly, and application scope is wide. End covers 33 are arranged at two ends of the first support frame 31 and two ends of the second support frame 32 to prevent the fastening piece 30 from being separated from the sliding groove 3110; specifically, each of the first support frame 31 and the second support frame 32 includes a left half section, a right half section, and a connecting piece 34 connected between the left half section and the right half section, a T-shaped bolt 35 is disposed in the sliding slot 3110, the T-shaped bolt 35 penetrates through the connecting piece 34 and is connected with a nut, and the position of the T-shaped bolt 35 can be arbitrarily adjusted in the sliding slot 3110, so that the installation is convenient; the left half section and the right half section are respectively provided with a T-shaped bolt 35.

As shown in fig. 2-3, the fastener 30 includes a fastening band 301 and an adjusting knob 302 adapted to the fastening band 301; the fastening belt 301 is provided with a plurality of clamping blocks 3011 along the length direction, the adjusting button 302 is provided with a clamping groove 3021 matched with the plurality of clamping blocks 3011, when the adjusting button 302 is pressed down, the adjusting button 302 rotates on the adjusting button shell, the clamping block 3011 is separated from the clamping groove 3021, the fastening length of the fastening belt 301 can be adjusted, after the adjusting button 302 is loosened, the clamping block 3011 is clamped into the clamping groove 3021 again, and the adjustment is convenient.

In the actual use process, the bicycle fixed on the first support frame 31 fixes the frame of the bicycle through the first fixing clamp 41, and two wheels of the bicycle are fixed through the fastening belts 301 and the adjusting buttons 302 arranged at the two ends of the first support frame 31 respectively, so that a firm triangular fixing structure is formed, and the bicycle is stable and reliable and is not easy to loosen; the bicycle fixed on the second support frame 32 is fixed on the frame of the bicycle through the second fixing clamp 42, and the two wheels of the bicycle are fixed through the fastening belts 301 and the adjusting buttons 302 at the two ends of the second support frame 32 respectively, so that a firm triangular fixing structure is formed, and the fixing is reliable.

As shown in fig. 5, the connecting device 2 includes a connecting box 20, a snap piece 21 and a fastening screw 22; the connection box 20 is arranged on the chassis 1; the engaging piece 21 is installed in the connection box 20; the fastening screw 22 is mounted on the top of the connection box 20 and above the engaging member 21. The side wall of the connecting box 20 far away from the underframe 1 and the bottom of the connecting box 20 are both provided with a through groove 201, and the two through grooves 201 are communicated, so that a connecting ball head on an automobile can be conveniently clamped in; the engaging member 21 is engaged in the through groove 201 at the bottom of the connecting box 20, and the engaging member 21 has an engaging curved surface 210 with a gradually decreasing cross-section from top to bottom.

When the tail bicycle frame is installed at the tail of an automobile, a connecting ball head on the automobile is aligned and clamped into the clamping piece 21, on one hand, a clamping curved surface 210 on the clamping piece 21 is attached to the ball head; on the other hand, the fastening screw 22 at the top of the adjusting connection box 20 is fixed; the bicycle frame is installed at the tail part of the automobile in a matching way in two fixing modes, and is stable and reliable.

The simple and easy type afterbody bicycle rack of this scheme's simple structure, with low costs, the structure is firm and adjust convenient, and application scope is wide.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a simple and easy type afterbody bicycle rack which characterized in that, including:

2. The simplified tail bicycle frame of claim 1, wherein the number of the support frames is the same as the number of the fixing clips; or the number of the supporting frames is one more than that of the fixing clips.

3. The simple tail bicycle frame as claimed in claim 1 or 2, wherein the support frame comprises a first support frame and a second support frame arranged side by side and spaced apart from each other; the fixing clip comprises a first fixing clip and a second fixing clip, and the first fixing clip and the second fixing clip are different in height relative to the fixing support.

4. The simplified rear bicycle frame as claimed in claim 3, wherein the first and second support frames each comprise a bottom plate and side walls connected to both sides of the bottom plate, and the distance between the side walls increases from the side close to the bottom plate to the side away from the bottom plate.

5. The simple tail bicycle frame as claimed in claim 4, wherein the bottom plate is provided with a sliding groove, and the fastening member is provided with a sliding block; the sliding block is clamped in the sliding groove and can slide along the sliding groove.

6. The simple tail bicycle rack of claim 3, wherein both ends of the first support frame and both ends of the second support frame are provided with end caps.

7. A simplified rear bicycle frame according to claim 3, characterised in that said first and second fixing clips each comprise: the clamping device comprises an upper clamping block, a lower clamping block, an adjusting screw rod and a spring, wherein the upper clamping block and the lower clamping block are hinged with each other; the spring is sleeved on the adjusting screw rod.

8. The simple tail bicycle frame as claimed in claim 1, wherein the fastening member comprises a fastening band and an adjusting knob adapted to the fastening band; the fastening band is provided with a plurality of clamping blocks along the length direction of the fastening band, and the adjusting button is provided with a clamping groove matched with the plurality of clamping blocks.

9. A simplified rear bicycle frame according to claim 1, characterised in that said connection means comprise a connection box, a snap-fit element and a fastening screw; the connecting box is arranged on the bottom frame; the clamping piece is arranged in the connecting box; the fastening screw is installed at the top of the connecting box and is positioned above the clamping piece.

10. The simple tail bicycle frame as claimed in claim 9, wherein the connecting box is provided with a through slot at the side wall far away from the bottom frame and at the bottom of the connecting box, and the two through slots are communicated;