CN219487653U

CN219487653U - Two-wheeled cargo vehicle steering structure with box body

Info

Publication number: CN219487653U
Application number: CN202222336247.3U
Authority: CN
Inventors: 林渊
Original assignee: Ningbo Yuanduo Intelligent Technology Co ltd
Current assignee: Ningbo Yuanduo Intelligent Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-08-08
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a two-wheeled cargo vehicle steering structure with a box body, which comprises a vehicle frame body and the box body arranged on the vehicle frame body, wherein the vehicle frame body comprises a front fork, a handle bar assembly and a rear fork which are sequentially arranged from front to back, the box body is positioned between the front fork and the handle bar assembly, the vehicle frame body also comprises a pull rod, the front end of the pull rod is fixedly connected with the front fork, the rear end of the pull rod is fixedly connected with the handle bar assembly, the handle bar assembly controls the front fork to swing left and right through the pull rod, and the pull rod is arranged between the handle bar and the front fork, so that the handle bar can directly drive the front fork to swing through the pull rod, namely, the steering of wheels is controlled, a plurality of connecting pieces are arranged between the handle bar and the pull rod, the connecting degrees of freedom of the pull rod are better, no connecting dead angle is easy to occur, the connecting structure stability is better, and the installation is convenient.

Description

Two-wheeled cargo vehicle steering structure with box body

Technical Field

The utility model relates to the technical field of bicycles, in particular to a steering structure of a two-wheel carrying vehicle with a box body.

Background

The bicycle is a common transportation means of riding instead of walk in life, because the characteristics of health and environmental protection are always attracting attention, along with the continuous change of the use demands, various bicycles are derived, such as the bicycle with the box body, the bicycle with the box body has the function of carrying things, is very convenient for transporting luggage and the like, and the bicycle with the front box body not only can carry things, but also can be used for carrying people, and the front structure is convenient for looking over the condition in the box body when riding. The bicycle is characterized in that the front box body is arranged between the handle and the front fork, the handle is rotated, the front wheel is controlled to swing through the pull rod, steering is achieved, the traditional bicycle handle bar is arranged on the front fork vertical tube, the front fork is driven to rotate through the rotating handle bar to achieve the steering function, the front fork of the front box body and the handle bar are required to be connected through the pull rod, the steering function can be achieved, the steering is completed through the two parts, one part is rotationally connected with the front fork, the other part is rotationally connected with the handle, and the existing pull rod has the problems of complex connecting structure and poor connecting stability of two ends.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a steering structure of a two-wheeled cargo vehicle with a box body, which has the advantages of simple pull rod connecting structure, good connecting stability and convenient installation.

The utility model provides a two-wheel carrying vehicle steering structure with a box body, which comprises a vehicle frame body and the box body arranged on the vehicle frame body, wherein the vehicle frame body comprises a front fork, a handle bar assembly and a rear fork which are sequentially arranged from front to back, the box body is positioned between the front fork and the handle bar assembly, the vehicle frame body also comprises a pull rod, the front end of the pull rod is fixedly connected with the front fork, and the handle bar assembly controls the front fork to swing left and right through the pull rod.

In this technical scheme, the box sets up between front fork and handlebar subassembly, and the front fork is connected with the handlebar subassembly to the pull rod, and the pull rod is located the box below promptly, keeps away the box when the handlebar subassembly turns to through pull rod control wheel, does not influence the stability of box to the handlebar subassembly only can control wheel swing through a pull rod, simple structure.

As an improvement, the handlebar assembly is provided with a vertical pipe, and the frame body is provided with a frame pipe sleeved with the vertical pipe; the bottom of the vertical pipe is provided with a connecting sheet, and the vertical pipe is rotationally connected with the pull rod through the connecting sheet. In this technical scheme, connect handlebar subassembly and pull rod tip through the connection piece for steering stability is high, turn to in a flexible way, turn to the fixed tie rod position and do not rock when riding.

As an improvement, the connecting piece is provided with a limiting piece, and the rotating range is limited by the abutting of the limiting piece and the frame body in the rotating process of the handlebar assembly. When the user turns to through the handlebar subassembly, turn to the angle scope great, and the security is lower, in this technical scheme, through setting up spacing piece on the connection piece, when the handlebar subassembly rotated to certain angle, spacing piece was supported with the frame body and is leaned on, and the handlebar subassembly can't continue to rotate, avoids turning to excessively influence safety.

As an improvement, both sides of the connecting sheet are provided with a limiting sheet. According to the technical scheme, the limiting pieces are arranged on the two sides of the connecting piece, so that the steering range of the left side and the right side of the handlebar assembly can be controlled, and the safety is better.

As improvement, both sides of the frame body are provided with a rubber limiting block matched with the limiting piece. The limiting piece is propped against the frame body and is easy to wear, the rubber limiting blocks are arranged on two sides of the frame body, the limiting piece is propped against the rubber limiting blocks to realize steering limiting, and the rubber limiting blocks can disperse part of acting force so as to protect the frame body and the limiting piece and prolong the service life of the parts.

As an improvement, be provided with the fixing screw on the connection piece, the fixing screw is used for installing the pull rod seat, the fixing screw passes through the fastener with the pull rod seat fixedly, still be provided with first bearing between pull rod seat and the fixing screw, the connection piece passes through the pull rod seat and rotates with the pull rod and be connected. The pull rod is fixedly connected with the handle bar assembly through the fixing screw rod and the pull rod seat, and the steering is flexible.

As an improvement, one side of the pull rod seat is provided with a fixing sleeve, two ends of the fixing sleeve are connected with a pull rod joint sheet, the two pull rod joint sheets are sleeved on the outer wall of the rear end of the pull rod, and the pull rod joint sheet and the pull rod are fixed through a fastener. The pull rod is fixed through the fixing sleeve and the pull rod connecting sheet, the steering stability of the pull rod is high, and the pull rod is fixed and is not easy to shake.

As an improvement, the oil-containing shaft sleeve is arranged in the fixed sleeve, and the fixed sleeve is fixedly connected with the pull rod splicing through the oil-containing shaft sleeve. The connecting rod splicing is connected by arranging the oil-containing shaft sleeve in the fixed sleeve, so that the steering stability of the pull rod is improved.

As an improvement, the front end of the pull rod is provided with a fish-eye joint bearing, the front fork is provided with a fixing piece matched with the fish-eye joint bearing, and the fish-eye joint bearing is fixedly connected with the front fork through the fixing piece.

In this technical scheme, the pull rod passes through fish-eye joint bearing and front fork fixed connection, can improve the degree of freedom of connection, prevents to appear connecting the dead angle to fish-eye joint bearing can multidirectional transmission, eliminates outside interference force, and the pull rod uses more smoothly.

The utility model provides a two-wheeled cargo vehicle steering structure of area box, through set up the pull rod between handlebar and front fork to make the handlebar pass through the pull rod and can direct drive front fork swing, control the wheel promptly and turn to, and set up a plurality of connecting piece between handlebar and pull rod, set up a plurality of connecting piece between front fork and pull rod, the connection degree of freedom of pull rod is better, is difficult for appearing connecting the dead angle, and connection structure stability is better, simple to operate.

Drawings

Fig. 1 is a schematic perspective view of a steering structure of a two-wheeled cart with a box.

Fig. 2 is an enlarged partial schematic view of fig. 1 a of the present disclosure.

Fig. 3 is a schematic view of a part of a frame body in the present disclosure.

Fig. 4 is an enlarged partial schematic view of fig. 3B of the present disclosure.

FIG. 5 is a schematic view of a portion of the structure of the handlebar assembly of the present disclosure.

Fig. 6 is an enlarged partial schematic view of fig. 5C of the present disclosure.

Fig. 7 is a schematic perspective view of a pull rod tab of the present disclosure.

Fig. 8 is a schematic perspective view of a pull rod in the present disclosure.

The figure shows: 1. a frame body; 11. a front fork; 111. a fixing piece; 12. a frame tube; 13. a rear fork; 14. a pull rod; 141. a first straight rod; 142. a second straight rod; 143. a third straight rod; 144. a fourth straight rod; 145. a third through hole; 15. a rubber limiting block; 2. a case; 3. a wheel; 4. a handle bar assembly; 41. a standpipe; 42. a connecting sheet; 421. a limiting piece; 422. a fixed screw; 5. a pull rod seat; 51. a first bearing; 52. a fixed sleeve; 53. an oil-containing sleeve; 6. a pull rod connecting piece; 61. a first through hole; 62. a second through hole; 7. a fish-eye joint bearing.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed description are merely illustrative of exemplary embodiments of the application and are not intended to limit the scope of the application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "including" and/or "having," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 8, the application discloses a two-wheeled cargo vehicle steering structure with a box body, which comprises a frame body 1 and a box body 2 arranged on the frame body 1, wherein the frame body 1 comprises a front fork 11, a handlebar assembly 4 and a rear fork 13 which are sequentially arranged from front to back, the front fork 11 and the rear fork 13 are respectively provided with a wheel 3, the box body 2 is positioned between the front fork 11 and the handlebar assembly 4, and the box body 2 is mainly used for carrying objects and/or people.

The frame body 1 further comprises a pull rod 14, the front end of the pull rod 14 is fixedly connected with the front fork 11, and the handlebar assembly 4 controls the front fork 11 to swing left and right through the pull rod 14; the handlebar assembly 4 is provided with a vertical pipe 41, the frame body 1 is provided with a frame pipe 12 sleeved with the vertical pipe 41, and the driving pipe is connected with the vertical pipe 41 through a bearing bowl group.

The bottom of the vertical pipe 41 is provided with a connecting piece 42, the vertical pipe 41 is rotationally connected with the pull rod 14 through the connecting piece 42, both sides of the connecting piece 42 are provided with a limiting piece 421, the limiting piece 421 is vertically arranged on the connecting piece 42, the rotating range is limited by the abutting of the limiting piece 421 and the frame body 1 in the rotating process of the handlebar assembly 4, when the handlebar assembly 4 rotates left and right to a certain angle, the limiting piece 421 abuts against the frame body 1, the handlebar assembly 4 cannot continue to rotate, and the safety is prevented from being influenced by excessive steering; both sides of the frame body 1 are provided with a rubber limiting block 15 matched with a limiting piece 421, the limiting piece 421 and the rubber limiting block 15 are propped against to realize steering limiting, the rubber limiting block 15 can disperse partial acting force, and the limiting piece 421 and the frame body 1 are prevented from being worn, so that the frame body 1 and the limiting piece 421 are protected, and the service life of components is prolonged.

The connecting piece 42 is provided with a fixed screw 422, the fixed screw 422 is used for installing the pull rod seat 5, the fixed screw 422 and the pull rod seat 5 are fixed through a fastener, a first bearing 51 is further arranged between the pull rod seat 5 and the fixed screw 422, the first bearing 51 is installed in the pull rod seat 5, the fixed screw 422 penetrates through the pull rod seat 5 and is sleeved with the first bearing 51, and the top of the fixed screw is fixed through a nut so as to ensure flexible steering.

The pull rod seat 5 one side is provided with fixed cover 52, fixed cover 52 then passes through two pull rod splicing 6 of bolt fixed connection, install oiliness axle sleeve 53 in the fixed cover 52, fixed cover 52 passes through oiliness axle sleeve 53 and pull rod splicing 6 fixed connection, two pull rod splicing 6 suit is on the rear end outer wall of pull rod 14, the inner wall and the laminating of pull rod 14 outer wall of pull rod splicing 6, pull rod splicing 6 one end is provided with the first through-hole 61 of connecting oiliness axle sleeve 53, the other end then is provided with the second through-hole 62 of connecting pull rod 14, two pull rod splicing 6 symmetry suit is on the pull rod 14 outer wall, the rear end of pull rod 14 is provided with two and pull rod splicing 6 bolted connection's third through-hole 145, second through-hole 62 passes through the bolt with third through-hole 145 in order to realize fixedly, pull rod 14 steering stability is high, and pull rod 14 is fixed be difficult for rocking.

The front end of pull rod 14 is provided with fish-eye joint bearing 7, and front fork 11 is provided with the stationary blade 111 with fish-eye joint bearing 7 adaptation, and pull rod 14 passes through fish-eye joint bearing 7 and front fork 11 fixed connection, improves the connection degree of freedom, prevents to appear connecting the dead angle to fish-eye joint bearing 7 can multidirectional transmission, eliminates outside interference force, and pull rod 14 uses more smoothly.

The pull rod 14 has set gradually first straight-bar 141, second straight-bar 142, third straight-bar 143 and fourth straight-bar 144 from the back forward, handlebar subassembly 4 is connected to first straight-bar 141 one end, the second straight-bar 142 is upwards connected to the other end, third straight-bar 143 is connected along advancing direction to second straight-bar 142, third straight-bar 143 is V-arrangement with fourth straight-bar 144 connection, the turning that third straight-bar 143 formed with fourth straight-bar 144 is towards frame body 1 one side, pull rod 14 is provided with a plurality of straight-bar sections, can effectively avoid single straight-bar steering to block the problem, the pull rod 14 transmission is better.

The embodiment discloses a take two-wheeled cargo vehicle steering structure of box, through set up pull rod 14 between handlebar and front fork 11 to make the handlebar pass through pull rod 14 can direct drive front fork 11 swing, control wheel 3 steering promptly, and set up a plurality of connecting piece between handlebar and pull rod 14, set up a plurality of connecting piece between front fork 11 and pull rod 14, the connection degree of freedom of pull rod 14 is better, is difficult for appearing connecting the dead angle, and connection structure stability is better, simple to operate.

The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.

Claims

1. The utility model provides a take two-wheeled cargo vehicle steering structure of box, its characterized in that includes frame body (1) and installs box (2) on frame body (1), frame body (1) are including front fork (11), handlebar subassembly (4) and the rear fork (13) that set gradually from front to back, box (2) are located between front fork (11) and handlebar subassembly (4), frame body (1) still includes pull rod (14), the front end and the front fork (11) fixed connection of pull rod (14), handlebar subassembly (4) are through the left and right swing of pull rod (14) control front fork (11); the handlebar assembly (4) is provided with a vertical pipe (41), and the frame body (1) is provided with a frame pipe (12) sleeved with the vertical pipe (41); the bottom of the vertical pipe (41) is provided with a connecting sheet (42), and the vertical pipe (41) is rotationally connected with the pull rod (14) through the connecting sheet (42).

2. The two-wheeled cargo vehicle steering structure with the box body according to claim 1, wherein the connecting piece (42) is provided with a limiting piece (421), and the rotating range is limited by the abutting of the limiting piece (421) and the frame body (1) in the rotating process of the handlebar assembly (4).

3. The two-wheeled cart steering structure with the box body according to claim 2, wherein two sides of the connecting sheet (42) are provided with a limiting sheet (421).

4. A two-wheeled cargo vehicle steering structure with a box according to claim 3, wherein a rubber stopper (15) matched with the stopper piece (421) is arranged on both sides of the frame body (1).

5. The two-wheeled cargo vehicle steering structure with the box body according to claim 1, wherein a fixing screw (422) is arranged on the connecting piece (42), the fixing screw (422) is used for installing the pull rod seat (5), the fixing screw (422) and the pull rod seat (5) are fixed through a fastener, a first bearing (51) is further arranged between the pull rod seat (5) and the fixing screw (422), and the connecting piece (42) is rotationally connected with the pull rod (14) through the pull rod seat (5).

6. The two-wheeled cargo vehicle steering structure with the box body according to claim 5, wherein a fixing sleeve (52) is arranged on one side of the pull rod seat (5), two pull rod connecting pieces (6) are connected to two ends of the fixing sleeve (52), the two pull rod connecting pieces (6) are sleeved on the outer wall of the rear end of the pull rod (14), and the pull rod connecting pieces (6) and the pull rod (14) are fixed through fasteners.

7. The two-wheeled cargo vehicle steering structure with the box body according to claim 6, wherein an oil-containing shaft sleeve (53) is arranged in the fixed sleeve (52), and the fixed sleeve (52) is fixedly connected with the pull rod connecting piece (6) through the oil-containing shaft sleeve (53).

8. The two-wheeled cargo vehicle steering structure with the box body according to claim 1, wherein a fish-eye joint bearing (7) is arranged at the front end of the pull rod (14), the front fork (11) is provided with a fixing piece (111) matched with the fish-eye joint bearing (7), and the fish-eye joint bearing (7) is fixedly connected with the front fork (11) through the fixing piece (111).