CN1291888C

CN1291888C - Dual-saddle bicycle combined with single-saddle bicycle

Info

Publication number: CN1291888C
Application number: CNB011176709A
Authority: CN
Inventors: 朴玉荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-08
Filing date: 2001-05-15
Publication date: 2006-12-27
Anticipated expiration: 2021-05-15
Also published as: KR100364974B1; KR20020020122A; WO2002026554A1; AU2001244794A1; CN1343596A

Abstract

The invention relates to a two-seat bicycle assembled with a one-seat bicycle. The bearing revolving barrel is fixed at the vertical hem of the connecting body of the tail wheel, and the revolution pipe installed on the bearer tube of the upper part of the rear wheel of the single-seater bicycle with bearing is connected to Coaxial Shaft joint. Thus, not only the connecting body of the tail wheel gets free up and down action and right and left rotation action, but the front and rear steering handle rotate in unison. The gear shaft of the single-seater bicycle and the suspension frames install with the suspension stands, on which of the upper bearing pipe has a connecting pipe. A long screw bar with a handle is inserted into the connecting pipe, on the lower portion of which a sphenoid is fixed, and removed by the rotation of a rotating handle.

Description

The tandem bicycle that combines by tail wheel body and single seat bicycle

Technical field

The present invention relates to a kind of tandem bicycle, it can be used as the single seat bicycle when the tail wheel body of tandem bicycle is opened and unloads, and on tail wheel body is connected and assembles the time, it also can be used as tandem bicycle.When its during as tandem bicycle, when preceding cyclist handles steering tiller to the left or to the right, back cyclist's steering tiller automatically left or turn right moving, and his or her health preceding physiognomy by bike with direction on move, thereby preceding and trailing wheel moves in the same direction.Because forward and backward cyclist's weight trend can be not opposite, preceding cyclist needs less power powered vehicle, and it is very safe to ride, and the operation of tandem bicycle and quicken more steady.The present invention is a tandem bicycle a kind of and combination of single seat bicycle, to satisfy above-mentioned purpose and feature.

Background technology

Common old-fashioned tandem bicycle has three wheels of in-line, and connects car body longitudinally, and the connecting panel of trailing wheel center upwards is being mounted upward.Be mounted with the car body that is connected on the preceding and trailing wheel that is connected to the single seat bicycle and be connected on the connecting plate of the rotation pipe in the hanger bar top, this hanger bar is fixed on an independent position, so that can rotate upper and lower and left or rightly.Pull down from connecting panel in case connect car body, tandem bicycle becomes the single seat bicycle.The connecting panel of trailing wheel by will connecting car body separates from the connecting panel of return bend and is removed.Invent by the present inventor with tandem bicycle single seat bicycle combination by the above principle work, and its disclose civilian this shop be 20-1998-125202 (on August 17th, 1998 disclosed).

The steering tiller (handle bar) of the bicycle of early stage invention is connected on the connecting panel that connects vehicle body upper portion, and only as artificial by bike safety in the process of riding and the fixed link of grasping.This does not have much benefits to riding of preceding cyclist, it would be better to say that to have hindered as normally the riding of tandem bicycle, this be since current cyclist to the right or left when upwards riding, back cyclist's weight tilts to antipodal direction.This safety to preceding cyclist is ridden and is brought challenges, and can cause the accident when high speed.In a word, when as tandem bicycle, have a lot of problems.

Summary of the invention

The present invention improves to solve the problem of old type tube.

For realizing the object of the invention, a kind of tandem bicycle that is combined by tail wheel body and single seat bicycle is provided, the bearing revolving barrel at vertical edge place of connector that is fixed in the tail wheel of tail wheel body inserts and is installed in shaft screw and nut between the outstanding co-axial shafts joint that forms of return bend of the upper support pipe of single seat bicycle rear, and tandem bicycle is assembled in this way; The trailing wheel of single seat bicycle has on the upright gear wheel shaft in the central and connects and be fixed to hanging post on the support tube, and described hanging post is connected on the single seat bicycle body structure by hanging frame; Support tube is formed with threaded portion and carrying shell respectively with the outside of bottom thereon, and the return bend plug-in mounting that is embedded with the upper and lower portion bearing is in its surface and by connecting the cover location; The connection pipe that is secured to the back steering tiller is plugged within the support tube; Connection pipe has the long bolt of insertion, sphenoid is equipped with on the top of described screw rod, the sloping portion of sphenoid is with consistent at the rake of connection pipe bottom, and handle is contained in the outside on the top of long bolt, thereby it can handle and make the back steering tiller to be installed and remove from the outside.

When as tandem bicycle, cyclist's steering tiller automatically rotates in the same direction after when preceding cyclist rides on a left side or right, so back cyclist's weight and preceding cyclist's weight tilt in the same direction, this is the condition precedent that safety and pleased are ridden.Equally, when when the tandem bicycle, by the heave and set reposefully of the bearing revolving barrel trailing wheel on the vertical edge of connector, and by return bend to left and right smooth rotation, make the riding safety on high or low and crooked road surface.

If be intended to a single seat bicycle, it is very easily simple to pull down the back wheel flutter from tail wheel, and is improved to for everyone and is easy to operation.It below is the detailed description of these features in the accompanying drawing.

Description of drawings

With reference to accompanying drawing, will describe the present invention.Wherein:

Fig. 1 is the complete transparent view that is assembled into the structure of the present invention of tandem bicycle;

Fig. 2 is the transparent view of the connection structure between branch's supporting strut and hanging frame;

Fig. 3 is the open circuited lateral plan of the steering tiller mounting portion in tandem bicycle;

Fig. 4 is the cutaway view of the amplification of steering tiller mounting portion;

Fig. 5 is the cutaway view along the amplification of the A-A line direction of Fig. 4;

Fig. 6 is the axial view of the amplification of steering tiller stationary pipes;

Fig. 7 is the lateral plan under the situation in the single seat bicycle;

Fig. 8 is the lateral plan of the tail wheel body of pulling down from steering tiller under single seat bicycle situation.

The specific embodiment

The description of reference numerals of the strength member of accompanying drawing.

In the present invention, single seat bicycle A have the preceding and trailing wheel 10,10 that is connected to bicycle body 15 both sides ', car body 15 is between top set's pipe 13 of the lower support pipe 12 of front saddle 11 and front-wheel 10 frameworks.The lower support pipe 12 of front saddle 11 is connected by resolution stand (resolutionstand) 16 with bicycle body.

The both sides of the gear wheel shaft 17 of trailing wheel 10 ' center, the bottom of car body and support tube are by connecting frame 18,18 ' link to each other.And final, in case preceding steering tiller 19 is installed to the top of branched pipe 13, just finished single seat bicycle A.Back steering tiller 19a can by with hanging post 1,1 ' above the both sides of trailing wheel 10 ' sun gear shaft 17 support tube 2 is connected and fixing and by with two hanging frames 3,3 ' in both sides with support tube 12 connections and be fixed to that hanging post 1,1 ' dismounting comes up.

The outside of upper and lower support tube 2 has threaded portion 4 and carrying cover 5, and it is inserted in the return bend 7, and in upper and lower bearing 6,6 ' insertion return bend 7.Connecting cover 8 is fixed on the threaded portion 4 with the screw method dual link and at last return bend place.Thereby return bend 7 passes through bearing 6,6 ' easily in support tube 2 outside left-right rotation.The connection pipe 21 of steering tiller 19a is inserted into upper support pipe 2 inboards after remaining to be installed at an upper portion thereof.Connection pipe 21 bottoms be cut into rake 21 '.The long bolt 22 that is inserted into the center of connection pipe 21 is connected on the sphenoid 23 with screw method, this sphenoid have with rake 21 ' opposing inclined part 23 '.When the handle 25 on screw rod 22 tops rotates, the sloping portion 23 of sphenoid 23 ' and the rake 21 of the bottom of connection pipe 21 ' contact with each other.Sloping portion 23 ' from rake 21 ' remove a bit, and sphenoid 23 then closely adheres to the inwall of support tube 2, as a voussoir.Thereby the connection pipe 21 that is installed in steering tiller 19a bottom, back can not move and form an individual with the inwall of support tube 2.

Sphenoid 23 green phase counter-rotation handles 25 and pulling down easily, and back steering tiller 19a also can extract from support tube 2 and separate with it easily.

If be assembled into tandem bicycle, its tail wheel 10a have in each side be connected framework 30,30 between the gear wheel shaft 29 of the support tube 28 of top rear cradling and trailing wheel 10a '.Connector 15a is installed in so top of long support tube of saddle.Supported pillar 31 strengthens and the top of bonded assembly connector 15a has fixing bearing revolving barrel 32.Bearing revolving barrel 32 be inserted in and be connected to coaxial shaft adapter 33,33 ' on, the welding of this joint also is fixed on the return bend 7 on the back support tube 2 of single seat bicycle A, thereby and easily is connected with nut 35 by bolt 34 or dismantles.

The function of the present invention of Gou Chenging is as follows as mentioned above: the bearing revolving barrel 32 at vertical edge place that is fixed on the connector 15a of tail wheel body B be inserted in

co-axial shafts joint

33,33 on the return bend 7 that is fixed on support tube 2 behind the single seat bicycle ' between, and be connected with nut 35 by shaft screw 34 then, the present invention is configured to as shown in Figure 1 tandem bicycle.When it was intended that the single seat bicycle, the bearing revolving barrel of the vertical edge of the connector 15a of tail wheel body B can be easily and easily from the

co-axial shafts joint

33,33 of return bend 7 ' pull down, as shown in Figure 7 and Figure 8.

In the present invention, the back steering tiller 19a of tail wheel body B with connection pipe 21 insert and be installed in hanging post 1,1 ' on support tube 2 within, each hanging post stand upright on single seat bicycle rear 10 ' the both sides of threaded shaft 17.Even back steering tiller 19a keeps static connection pipe 21 to be inserted within the support tube 2, thus and the handle 25 outside can being exposed to.The sphenoid 23 that is connected to long bolt 22 bottoms be designed to make the rake 21 of connection pipe 21 ' and the wedge-shaped part 23 of sphenoid 23 ' between contact and be separated into possibility.When they contacted, the sphenoid 23 on support tube 2 inwalls kept back steering tiller 19a static as a voussoir.On the contrary, when they separated, adhering to of sphenoid 21 was released and removes, thereby and can outwards extract connection pipe 21, and can pull down back steering tiller 19a, prepared an easy method for becoming the single seat bicycle.

As depicted in figs. 1 and 2, when the present invention is merged and be used as tandem bicycle, the connection pipe 21 of back steering tiller 19a be inserted into be fixed on hanging post 1,1 ' on support tube 2 in, each hanging post fix and be connected to the trailing wheel 10 of single seat bicycle ' gear wheel shaft 17 on.And thereby make connection pipe 21 close attachment and be fixed on the sphenoid 23 of long bolt 22 bottoms.As a result, when the back cyclist of the preceding cyclist of single seat bicycle A and tail wheel body B together rode, back cyclist's back steering tiller 19a automatically rode on identical direction on or a left side right with preceding cyclist and is rotating.So, forward and backward cyclist in their weight when equidirectional is ridden to inclined, before this just makes and the back cyclist all ride safely.

In other words, before preceding cyclist is willing to the right with it or handles left during steering tiller 19, the suitable equidirectional of back cyclist's direct of travel, rotation to the left or to the right automatically with preceding steering tiller 19.Since back cyclist's weight and preceding cyclist with inclined, riding of tandem bicycle becomes steadily, safety and make us the free time and escape.

The back steering tiller 19a of tandem bicycle also install and be exposed to the outside, and on left and right directions turning handle 25.And the sphenoid 23 in long bolt 22 bottoms closely adheres to mutually with the inwall of support tube 2, and as a voussoir, adhering to and removing attached function of this sphenoid 23 can be mounted and dismantle back steering tiller 19a.So, be the simple to operate easy of single seat bicycle or tandem bicycle with the invention process.The connection pipe 21 of back steering tiller 19a is inserted into and is installed in the support tube 2, this support tube and hanging post 1,1 ' with hanging frame 3,3 ' be connected very firm.So no matter as the single seat bicycle or as tandem bicycle, the present invention has guaranteed steadily and safely to ride.

Claims

1. tandem bicycle that combines by tail wheel body and single seat bicycle, the bearing revolving barrel (32) at vertical edge place of connector (15a) that is fixed in the tail wheel (10a) of tail wheel body (B) inserts and is installed in between the outstanding co-axial shafts joint (33) that forms of the return bend (7) of the upper support pipe (2) of single seat bicycle rear (10 '), (33 ') with shaft screw (34) and nut (35), and tandem bicycle is assembled in this way; The trailing wheel of single seat bicycle (10 ') has uprightly on the gear wheel shaft (17) in the central and connects and be fixed to hanging post (1), (1 ') on the support tube (2), described hanging post is connected on the single seat bicycle body structure by hanging frame (3,3 '); Support tube (2) is formed with threaded portion (4) and carrying shell (5) respectively with the outside of bottom thereon, and return bend (7) plug-in mounting that is embedded with upper and lower portion bearing (6), (6 ') is in its surface and by connecting cover (8) location; The connection pipe (21) that is secured to back steering tiller (19a) is plugged within the support tube (2); Connection pipe (21) has the long bolt (22) of insertion, sphenoid (23) is equipped with on the top of described screw rod (22), the sloping portion of sphenoid is with consistent at the rake (21 ') of connection pipe (21) bottom, handle (25) is contained in the outside on the top of long bolt (22), thereby it can handle and make back steering tiller (19a) to be installed and remove from the outside.