CN1152804C

CN1152804C - Trailer of bike

Info

Publication number: CN1152804C
Application number: CNB01119572XA
Authority: CN
Inventors: 宋郑还; 高翔
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2001-01-31
Filing date: 2001-05-17
Publication date: 2004-06-09
Anticipated expiration: 2021-05-17
Also published as: WO2002060748A1; CN1368454A

Abstract

The present invention relates to a trailer of a bicycle, which comprises side cross rods [4] positioned at both sides, wheel fixed seats [10] respectively arranged on the side cross rods [4], and wheels [11] respectively arranged on the wheel fixed seats [10], wherein the side cross rods [4] are connected with a pull rod [1]. The present invention is characterized in that the back parts of the side cross rods [4] are respectively hinged with the outer end parts of two folding pull rods [16], both inner end parts of the two folding pull rods [16] are respectively hinged with a pull handle [17], and two back end parts of two support rods [15] are respectively hinged with the back parts of the side cross rods [4] at both of the two sides, two front end parts of the two support rods [15] are respectively hinged with two sliding sleeves [5] of the support rods. The two cross support rods and the two folding pull rods can cause the entire bicycle to finish transverse folding, the volume of the entire bicycle can be reduced, and packing costs and transportation costs can be reduced.

Description

The trailer of bicycle

The present invention relates to the trailer on a kind of bicycle.

In the prior art, the trailer of bicycle comprise the side cross bar that is positioned at the left and right sides, respectively be arranged at wheel permanent seat on the side cross bar of described both sides, be arranged at wheel on the described wheel permanent seat respectively, be connected with drawbar on the described side cross bar, be fixedly connected with horizontal connecting rod between the side cross bar, this trailer can be longitudinal folding under non-working condition and during transport package, make that trailer can reduced volume, but can not be laterally folded, make the width of car load not change, then the transverse width of car load is still very big.

The object of the present invention is to provide a kind of trailer of bicycle that can be laterally folded.

Technical scheme of the present invention is: a kind of trailer of bicycle comprises vehicle frame, the drawbar that is connected with described vehicle frame, is arranged at wheel permanent seat on the described vehicle frame, is arranged at the wheel on the wheel permanent seat; In the described vehicle frame, the rear portion that is positioned at the side cross bar of the left and right sides is hinged with the outer end of two folding pull rods respectively, and two inner ends of described two folding pull rods are hinged with handle respectively; Between the side cross bar of two struts in both sides cross-shaped and that be hinged at the place of intersecting, two rearward end of described two struts are articulated in the rear portion of the side cross bar of both sides respectively, two leading sections of described two struts are articulated in respectively on two strut sliding sleeves, described two strut sliding sleeves respectively with the anterior sliding block joint mutually of the side cross bar of both sides.

The present invention compared with prior art has following advantage:

Two struts that green phase intersects and two root folding pull rods can be so that car load be finished horizontal foldingly, and then car load can reduced volume, reduces packing cost and traffic cost.

The invention will be further described below in conjunction with drawings and Examples:

Accompanying drawing 1 is the structural front view of embodiments of the invention one;

Accompanying drawing 2 is the structure birds-eye view of embodiments of the invention one;

Accompanying drawing 3 is the right elevations of embodiments of the invention one after folding;

Accompanying drawing 4 is the structural front view of embodiments of the invention two;

Accompanying drawing 5 is the structure birds-eye view of embodiments of the invention two;

Accompanying drawing 6 is the right elevations of embodiments of the invention two after folding; Wherein:

[1], drawbar; [2], fixed knob; [3], side crossbar mount; [4], side cross bar; [5], strut sliding sleeve; [6], turn over bar; [7], paulin; [8], turn over pole socket; [9], side is held up pole socket; [10] wheel permanent seat; [11], wheel; [12], strut back seat; [13], drawbar Connection Block; [14], side is held up bar; [15], strut; [16], folding pull rod; [17], handle; [18], turn over the bar singletree; [19], fluffy bar; [20], fluffy pole socket; [21], fluffy bar joint;

Embodiment: referring to accompanying drawing, a kind of trailer of bicycle, comprise the side cross bar [4] that is positioned at the left and right sides, respectively be arranged at wheel permanent seat [10] on the side cross bar [4] of described both sides, be arranged at wheel [11] on the described wheel permanent seat [10] respectively, be connected with drawbar [1] (drawbar [1] also can be connected on other parts of vehicle frame) on the described side cross bar [4].The rear portion of the side cross bar [4] of described both sides is hinged with the outer end of two folding pull rods [16] respectively, and two inner ends of described two folding pull rods [16] are hinged with handle [17] respectively; The hinge top of described handle [17] is provided with the block that extends laterally, this block makes two inner ends of two folding pull rods [16] be the hinge that rotates that can only upwards arch upward with handle [17] respectively to be connected, shown in accompanying drawing 3 and accompanying drawing 6, when upwards [17] are shaken hands in pulling, can be pulled upwardly the upper end of two folding rods [16].

Equivalent configurations is also can directly be hinged between two inner ends of described two folding pull rods [16], is connected with a turning cylinder phase pivot between [17] three rod members of two inner ends and handles of pull bar this moment [16].

Referring to accompanying drawing 2 and accompanying drawing 5, cross-shaped and be positioned at two struts [15] that the place of intersecting is hinged between the side cross bar [4] of both sides, two rearward end of described two struts [15] are articulated in the rear portion of the side cross bar [4] of both sides respectively, two leading sections of described two struts [15] are articulated in respectively on two strut sliding sleeves [5], described two strut sliding sleeves [5] respectively with the anterior sliding block joint mutually of the side cross bar [4] of both sides, the mode of its sliding block joint is that described strut sliding sleeve [5] is enclosed within on the described side cross bar [4].When car load was laterally folded, described strut sliding sleeve [5] can be along side cross bar [4] to front slide.

Referring to accompanying drawing 1 to accompanying drawing 3, the top of described side cross bar [4] is provided with turns over bar [6], the front upper part of described side cross bar [4] and upper back are hinged with the preceding bottom and the rear lower that turn over bar [6] respectively, the turning over to be connected with between bar [6] top of described both sides turned over bar singletree [18], describedly turn over an end of bar singletree [18] and the bar [6] that turns over of a side is hinged, the described other end and another rollover bar [6] that turns over bar singletree [18] removably connects.After the side cross bar [4] of the other end that turns over bar singletree [18] and a side is separated, the turning over bar [6] and can overturn to the inside as shown in Figure 3 of both sides, then car load can be finished folding.

Referring to accompanying drawing 4 to accompanying drawing 6, be hinged with the both ends of the fluffy bar [19] of two horizontally sets on the side cross bar [4] of described both sides, the middle part of described every fluffy bar [19] is connected by rotating fluffy bar joint [21] and is one, this fluffy bar joint [21] can rotate as shown in Figure 6, and it is laterally folded to make car load finish.

Lock connection mutually by fixed knob [2] between the rearward end of described drawbar [1] and the side cross bar [4], the rearward end of drawbar [1] and side cross bar [4] are connected as one.

Claims

1, a kind of trailer of bicycle, is arranged at wheel permanent seat [10] on the described vehicle frame, is arranged at the wheel [11] on the wheel permanent seat [10] at the drawbar [1] that comprise vehicle frame, is connected with described vehicle frame; It is characterized in that: in the described vehicle frame, the rear portion that is positioned at the side cross bar [4] of the left and right sides is hinged with the outer end of two folding pull rods [16] respectively, and two inner ends of described two folding pull rods [16] are hinged with handle [17] respectively; Cross-shaped and be positioned at two struts [15] that the place of intersecting is hinged between the side cross bar [4] of both sides, two rearward end of described two struts [15] are articulated in the rear portion of the side cross bar [4] of both sides respectively, two leading sections of described two struts [15] are articulated in respectively on two strut sliding sleeves [5], described two strut sliding sleeves [5] respectively with the anterior sliding block joint mutually of the side cross bar [4] of both sides.

2, the trailer of bicycle according to claim 1 is characterized in that: the side cross bar [4] of both sides is provided with wheel permanent seat [10], is connected with drawbar [1] on the described side cross bar [4].

3, the trailer of bicycle according to claim 1 is characterized in that: described strut sliding sleeve [5] is enclosed within on the described side cross bar [4].

4, the trailer of bicycle according to claim 1, it is characterized in that: the top of described side cross bar [4] is provided with turns over bar [6], the front upper part of described side cross bar [4] and upper back are hinged with preceding bottom and the rear lower that turns over bar [6] respectively, and the turning over to be connected with between bar [6] top of described both sides turned over bar singletree [18].

5, the trailer of bicycle according to claim 4 is characterized in that: describedly turn over an end of bar singletree [18] and the bar [6] that turns over of a side is hinged, the described other end and another rollover bar [6] that turns over bar singletree [18] removably connects.

6, the trailer of bicycle according to claim 1 is characterized in that: the both ends that are hinged with the fluffy bar [19] of at least one horizontally set on the side cross bar [4] of described both sides respectively; Described fluffy bar [19] is hinged by three joints and forms, and two joints of both sides wherein are fluffy bar [19], and the middle part is fluffy bar joint [21].

7, the trailer of bicycle according to claim 1 is characterized in that: lock connection mutually by fixed knob [2] between the rearward end of described drawbar [1] and the side cross bar [4].

8, the trailer of bicycle according to claim 1, it is characterized in that: the hinge of described handle [17] top is provided with the block that extends laterally, and this block makes two inner ends of two folding pull rods [16] be the hinge that rotates that can only upwards arch upward with handle [17] respectively to be connected.