CN215904652U

CN215904652U - Multifunctional rear frame

Info

Publication number: CN215904652U
Application number: CN202121334443.6U
Authority: CN
Inventors: 董福坤
Original assignee: Hebei Tianyuan Technology Co ltd
Current assignee: Hebei Tianyuan Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-02-25
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a multifunctional rear frame which comprises a front support frame, a baffle and a backrest fixing frame, wherein the support frame is connected to a bicycle through a bolt assembly, the front support frame is arranged on the front side of the support frame, the backrest fixing frame is arranged on the rear side of the support frame, and the baffle is hinged to the left side and the right side of the support frame. The utility model has simple and reasonable structure, can realize the conversion of manned goods and is suitable for the transportation of various goods with different volumes.

Description

Multifunctional rear frame

Technical Field

The utility model relates to the field of bicycle accessories, in particular to a multifunctional rear frame.

Background

In the present life, the bicycle is an important vehicle for people, the frame of the bicycle is fixed and cannot be adjusted for the bicycle used by people at ordinary times, and the bicycle frame needs to be improved for better and more comfortable requirements of people, so that the bicycle can be conveniently used for bearing certain goods or carrying people.

In the process of carrying articles on a bicycle, a bicycle basket is generally installed at the front end of a handlebar by an existing bicycle manufacturer, but in the parking state of the bicycle in the installation mode, because a head of the bicycle is relatively independent of the handlebar, the gravity center of the bicycle body is easy to deflect, so that the bicycle body is prone to toppling, and further the bicycle body and vehicle-mounted articles are damaged; in order to solve the problems, some consumers also try to install a basket on a rear luggage carrier of the bicycle, but the installation mode easily causes inconvenience for passengers to get on or off the bicycle, and particularly the inconvenience is obvious for some bicycles provided with cross beams; in addition, when the existing bicycle structure is adopted, the handlebar and the bicycle basket are mutually installed, so that the handlebar is stressed too much in the riding process, the rider is not favorable to timely steering, traffic accidents easily happen in emergency, and certain potential safety hazards exist. If the goods are placed on the rear frame, the goods are easy to drop because the rear frame only has one clamping function. Therefore, how to provide a rear frame with side guards, which can put down the side guards when people need to carry people and can stand up the side guards to prevent goods from falling when carrying goods becomes a difficult problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional rear frame, which solves the problem that the conventional rear frame of a bicycle can only bear a small amount of goods.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model discloses a multifunctional rear frame which comprises a front support frame, a baffle and a backrest fixing frame, wherein the support frame is connected to a bicycle through a bolt assembly, the front support frame is arranged on the front side of the support frame, the backrest fixing frame is arranged on the rear side of the support frame, and the baffle is hinged to the left side and the right side of the support frame.

Furthermore, the front support comprises a first support rod, first telescopic rods, a first cross rod and first adjusting rods, the first support rod is welded on the front side of the support frame, one end of each first telescopic rod is arranged in an inner hole of each first support rod, the first cross rods are welded on the other ends of the two first telescopic rods, and the two first adjusting rods are symmetrically arranged in the first cross rods; the back mount includes second bracing piece, second telescopic link, second horizontal pole and second regulation pole, the welding of second bracing piece is in the rear side of support frame, the one end setting of second telescopic link is in the hole of second bracing piece, the welding of second horizontal pole is two the other end of second telescopic link, two the symmetry setting of second regulation pole is in the second horizontal pole.

Furthermore, a reinforcing rod is arranged between the two second supporting rods.

Furthermore, a plurality of clamping grooves for adjusting positions are formed in the first adjusting rod and the second adjusting rod.

Further, the lower surface of support frame is provided with baffle installation pipe and extension rod, the extension rod sets up in the baffle installation pipe, the tip of extension rod with the baffle is articulated.

Further, the baffle includes frame horizontal pole, frame vertical pole, spacer bar and lower frame horizontal pole, it articulates to go up the frame horizontal pole on the extension rod, it constitutes the frame through the welding to go up frame horizontal pole, frame vertical pole and lower frame horizontal pole, and is a plurality of the spacer bar is arranged the setting perpendicularly inside the frame.

Furthermore, one end of the outer frame longitudinal rod is provided with a semicircular clamping groove, and the other end of the outer frame longitudinal rod is provided with a clamping hole.

Furthermore, the spacer bars are metal nets, and the peripheries of the metal nets are connected inside the outer frame.

Compared with the prior art, the utility model has the beneficial technical effects that:

the multifunctional rear frame comprises a front support frame, a baffle plate and a backrest fixing frame, wherein the baffle plate can rotate and be fixed, so that the functions of carrying people and goods are converted; the extension rod can be extended to bear cargoes with different volumes; the baffle can also be clamped on the support frame, thereby providing a larger horizontal platform. The utility model has simple and reasonable structure, can realize the conversion of manned goods and is suitable for the transportation of various goods with different volumes.

Drawings

The utility model is further illustrated in the following description with reference to the drawings.

FIG. 1 is a schematic view of a multi-function rear frame of the present invention;

FIG. 2 is a cross-sectional view of a front buttress of the present invention;

FIG. 3 is a cross-sectional view of the support of the present invention;

FIG. 4 is a cross-sectional view of a baffle of the present invention;

FIG. 5 is a cross-sectional view of the backrest mount of the present invention;

description of reference numerals: 1. a front support frame; 101. a first support bar; 102. a first telescopic rod; 103. a first cross bar; 104. a first adjusting lever; 2. a support frame; 201. a baffle plate mounting pipe; 202. an extension rod; 3. a baffle plate; 301. an outer frame cross bar; 302. an outer frame vertical rod; 303. a spacer bar; 4. a backrest mount; 401. a second support bar; 402. a second telescopic rod; 403. a second cross bar; 404. a second adjustment lever.

Detailed Description

As shown in fig. 1, the multifunctional rear frame comprises a front support frame 1, a support frame 2, a baffle 3 and a backrest fixing frame 4, wherein the support frame 2 is connected to a bicycle through a bolt assembly, the front support frame 1 is arranged on the front side of the support frame 2, the backrest fixing frame 4 is arranged on the rear side of the support frame 2, and the baffle 3 is hinged to the left side and the right side of the support frame 2.

As shown in fig. 2 and 5, the forehand rack 1 comprises a first supporting rod 101, a first telescopic rod 102, a first cross rod 103 and a first adjusting rod 104, wherein the first supporting rod 101 is welded at the front side of the supporting frame 2, one end of the first telescopic rod 102 is arranged in an inner hole of the first supporting rod 101, the first cross rod 103 is welded at the other end of the two first telescopic rods 102, and the two first adjusting rods 104 are symmetrically arranged in the first cross rod 103; the backrest fixing frame 4 comprises a second supporting rod 401, a second telescopic rod 402, a second cross rod 403 and a second adjusting rod 404, the second supporting rod 401 is welded at the rear side of the supporting frame 2, one end of the second telescopic rod 402 is arranged in an inner hole of the second supporting rod 401, the second cross rod 403 is welded at the other end of the second telescopic rod 402, and the second adjusting rod 404 is symmetrically arranged in the second cross rod 403.

Two be provided with the anchor strut between the second bracing piece 401, the anchor strut is provided with two, and the anchor strut passes through welded connection on second bracing piece 401, can fix the cushion on the anchor strut.

The first adjusting rod 104 and the second adjusting rod 404 are provided with a plurality of clamping grooves for adjusting positions, the clamping grooves are clamped with the end portions of the first telescopic rod 102 or the second telescopic rod 402, and the extending lengths of the first adjusting rod 104 and the second adjusting rod 404 can be adjusted by rotating and pulling out the first adjusting rod 104 and the second adjusting rod 404.

As shown in fig. 3, a baffle installation pipe 201 and an extension rod 202 are arranged on the lower surface of the support frame 2, the extension rod 202 is arranged in the baffle installation pipe 201, and the end of the extension rod 202 is hinged to the baffle 3.

As shown in fig. 4, the baffle 3 includes an upper outer frame cross bar 301, an outer frame longitudinal bar 302, a spacer bar 303 and a lower outer frame cross bar 304, the upper outer frame cross bar 301 is hinged to the extension bar 202, the upper outer frame cross bar 301, the outer frame longitudinal bar 302 and the lower outer frame cross bar 304 form an outer frame by welding, and the spacer bars 303 are vertically arranged inside the outer frame.

One end of the outer frame longitudinal rod 302 is provided with a semicircular clamping groove, the other end of the outer frame longitudinal rod 302 is provided with a clamping hole, and the semicircular clamping groove can be clamped on the support frame 2, so that the baffle 3 can be horizontally placed.

The spacer bars 303 are made of metal mesh, and the periphery of the metal mesh is connected inside the outer frame.

The installation and use processes of the utility model are as follows:

first, the support frame 2 is fixed to the bicycle during installation. Then, the first telescopic rod 102 or the second telescopic rod 402 is inserted from the bottom of the first supporting rod 101 or the second supporting rod 401, the first adjusting rod 104 or the second adjusting rod 404 is inserted into the first cross bar 103 or the second cross bar 403, then the first supporting rod 101 or the second supporting rod 401 is inserted into the hole on the side of the first cross bar 103 or the second cross bar 403, the first adjusting rod 104 or the second adjusting rod 404 is rotated to clamp the end of the first supporting rod 101 or the second supporting rod 401 into the clamping groove of the first adjusting rod 104 or the second adjusting rod 404, then the first telescopic rod 102 or the second telescopic rod 402 and the first cross bar 103 or the second cross bar 403 are welded together, and finally the front handrail 1 or the backrest fixing frame 4 is vertically welded on the supporting frame 2. And finally, the baffle 3 is connected with the support frame 2 through a rotating shaft.

When in use:

the first embodiment: upset baffle 3, adjust extension rod 202, until the bayonet socket card on the frame vertical pole 302 on support frame 2, place the goods on the platform that baffle 3 and support frame 2 constitute can.

Second embodiment: adjusting the first adjustment bar 104 or the second adjustment bar 404 according to the shape of the cargo: the first adjustment lever 104 or the second adjustment lever 404 is rotated to slide the first adjustment lever 104 or the second adjustment lever 404, the first adjustment lever 104 or the second adjustment lever 404 is slid to a predetermined position, and the first adjustment lever 104 or the second adjustment lever 404 is rotated and locked. The baffle 3 is rotated to be vertical, the distance between the baffles 3 is adjusted, and the first cross rod 103 or the second cross rod 403 is pulled up to enable the first adjusting rod 104 or the second adjusting rod 404 to be clamped in the clamping hole of the outer frame longitudinal rod 302. The goods are placed on the supporting frame 2, and the middle of a placing area enclosed by the baffle 3, the front support 1 and the backrest fixing frame 4 is the goods.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A multi-functional rear frame, its characterized in that: including preceding rest (1), support frame (2), baffle (3) and back mount (4), support frame (2) are connected on the bicycle through bolt assembly, preceding rest (1) sets up the front side of support frame (2), back mount (4) set up the rear side of support frame (2), baffle (3) articulate the left and right sides of support frame (2).

2. The utility rear frame of claim 1, wherein: the front support (1) comprises a first support rod (101), first telescopic rods (102), a first cross rod (103) and first adjusting rods (104), the first support rod (101) is welded on the front side of the support frame (2), one end of each first telescopic rod (102) is arranged in an inner hole of each first support rod (101), the first cross rods (103) are welded on the other ends of the two first telescopic rods (102), and the two first adjusting rods (104) are symmetrically arranged in the first cross rods (103); backrest mount (4) include second bracing piece (401), second telescopic link (402), second horizontal pole (403) and second regulation pole (404), welding of second bracing piece (401) is in the rear side of support frame (2), the one end setting of second telescopic link (402) is in the hole of second bracing piece (401), welding of second horizontal pole (403) is two the other end of second telescopic link (402), two second regulation pole (404) symmetry sets up in second horizontal pole (403).

3. The utility rear frame of claim 2, wherein: a reinforcing rod is arranged between the two second supporting rods (401).

4. The utility rear frame of claim 2, wherein: the first adjusting rod (104) and the second adjusting rod (404) are provided with a plurality of clamping grooves for adjusting positions.

5. The utility rear frame of claim 1, wherein: the lower surface of support frame (2) is provided with baffle installation pipe (201) and extension rod (202), extension rod (202) set up in baffle installation pipe (201), the tip of extension rod (202) with baffle (3) are articulated.

6. The utility rear frame of claim 5, wherein: baffle (3) are including last frame horizontal pole (301), frame vertical pole (302), spacer bar (303) and lower frame horizontal pole (304), it articulates to go up frame horizontal pole (301) on extension rod (202), it constitutes the frame through the welding to go up frame horizontal pole (301), frame vertical pole (302) and lower frame horizontal pole (304), and is a plurality of spacer bar (303) are arranged the setting perpendicularly inside the frame.

7. The utility rear frame of claim 6, wherein: one end of the outer frame longitudinal rod (302) is provided with a semicircular clamping groove, and the other end of the outer frame longitudinal rod (302) is provided with a clamping hole.

8. The utility rear frame of claim 6, wherein: the spacer bars (303) are metal nets, and the peripheries of the metal nets are connected inside the outer frame.