CN202716990U

CN202716990U - Bicycle with saddle favorable for health

Info

Publication number: CN202716990U
Application number: CN 201220257800
Authority: CN
Inventors: 孙银花
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-04
Filing date: 2012-06-04
Publication date: 2013-02-06
Anticipated expiration: 2022-06-04

Abstract

The utility model relates to a bicycle with a saddle favorable for health. The bicycle comprises a frame, a handle and a saddle, wherein the handle is arranged on the front upper part of the frame, and the saddle is arranged on the back upper part of the frame. The bicycle is characterized in that the saddle comprises a left first saddle (91) and a right second saddle (92), wherein the first saddle (91) and the second saddle (92) are separated, and the saddle is favorable for the health of riders. A back vertical rod of the saddle upwards extends and forms a saddle backrest. The upper end of a handle vertical tube is hinged with the front end of a first connecting rod, the back end of a second connecting rod and the lower end of the back vertical rod of the saddle are connected and maintain synchronous rotation, and meanwhile the back end of the first connecting rod is hinged with the front end of the second connecting rod. The bicycle has the advantages that the handle and the saddle are synchronously folded, so the folding is convenient; additionally, the frame structure is formed by a first frame and a second frame, so the integral structure of the bicycle body is firmer, each part is positioned between the first frame and the second frame after the bicycle is folded, and then the external structure of the bicycle is more concise.

Description

The bicycle that saddle is healthy

Technical field

The present invention relates to a kind of bicycle, specifically refer to a kind of Foldable bicycle.

Background technology

At present the saddle of bicycle is unfavorable for that health has been well-known, mainly is that centre portion contacts with human body and exerts pressure and cause.

The folding bicycle general structure is all comparatively compact, and volume after folding is less, is very suitable for people and goes out to carry.But it is folding about carrying out that existing most of folding bicycle all is the midperpendicalar along vehicle frame basically, launches also need lock when riding, and uses still aobvious trouble.

Summary of the invention

Technical matters to be solved by this invention is for above-mentioned prior art present situation, provide separate about a kind of in the middle of empty saddle, this saddle more is conducive to bicyclist's health.

Another technical matters to be solved by this invention provides a kind of folding convenient and can carry out to handlebar and saddle the folding bicycle of synchronous folding.

Another technical matters to be solved by this invention provides comparatively firmly folding bicycle of a kind of structure.

Another technical matters to be solved by this invention provides a kind of folding rear comparatively succinct folding bicycle of external structure.

For make ride more comfortable, the invention provides separate about a kind of in the middle of empty saddle, this saddle more is conducive to bicyclist's health.Vertical rod extends upward and is formed with the saddle backrest behind the described saddle.Like this, in the time of by bike back leaned against the saddle backrest, but relieving sports fatigue increases comfort level.

The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of folding bicycle, comprise vehicle frame, be located at the handlebar of vehicle frame front upper place and be located at the saddle of vehicle frame back upper place, it is characterized in that: the first saddle and the second saddle that separate about described saddle comprises, the front vertical rod of described saddle, rear vertical rod are two, and lay respectively between described the first cross bar and the second cross bar, vertical rod extends upward and is formed with the saddle backrest behind the described saddle.Like this, in the time of by bike back leaned against the saddle backrest, but relieving sports fatigue increases comfort level.Also include first connecting rod and second connecting rod, the front end of described vehicle frame is provided with for supported cart the stem that also can rotate before and after this vehicle frame is done, the rear end of described vehicle frame is provided with the upper end above the vehicle frame top and relatively vertical rod behind vertical rod and the saddle before this vehicle frame saddle of doing rotate front and back, described saddle rear and front end is articulated in respectively the front vertical rod of above-mentioned saddle, the upper end of rear vertical rod, the front end of described first connecting rod and the upper end of described stem are hinged, the rear end of described second connecting rod be connected with vertical rod lower end behind the described saddle and with saddle after vertical rod keep rotating synchronously, simultaneously, described first connecting rod extends to the back lower place from front end, described second connecting rod extends to the front lower place from the rear end, and the rear end of first connecting rod and described second connecting rod front end are hinged.

In order to make front-wheel carry out synchronous folding with handlebar and saddle, described vehicle frame front end also is provided with a vertical tube of front fork that can rotate and that be positioned at described stem below before and after vehicle frame is done, the front end of the lower end of this vertical tube of front fork and a third connecting rod is hinged, and the rear end of this third connecting rod is hinged with the front end of described the second vertical rod and the rear end of described first connecting rod simultaneously.Front-wheel is installed on the vertical tube of front fork by front fork, and like this, when handlebar and saddle folded, under the drive of third connecting rod, front-wheel is rotated to be taken in to the vehicle frame below, thereby makes the bicycle volume after folding less, carries more convenient; In addition, bicycle is in folded state not lower time, and vertical tube of front fork and stem are on the same straight line and mutually are fastened togather.

In order further to reduce the volume of the bicycle after folding, the posterior end section of described vehicle frame is provided with the back vent that relative vehicle frame rotate before and after doing, and also is provided with the positive stop that the back vent after the rotation forward is fixed on below the vehicle frame in the posterior end of vehicle frame section.Under the positive stop effect, back vent and trailing wheel are limited in the vehicle frame below.

For the structure that makes folding bicycle comparatively firm, described vehicle frame comprises the first vehicle frame and the second vehicle frame that lays respectively at the car body left and right sides, have respectively front and back to the first cross bar and the second cross bar that distribute at the top of the first vehicle frame and the second vehicle frame, between the first cross bar bottom and the second cross bar bottom, pass through successively from front to back the first rotating shaft, the second rotating shaft is connected with the 3rd rotating shaft, and above-mentioned each rotating shaft is all perpendicular to described the first cross bar and the second cross bar, the lower end of described stem is fixed in the first rotating shaft, the lower end of vertical rod is fixed in the second rotating shaft before the described saddle, and the lower end of vertical rod is fixed in the 3rd rotating shaft behind the described saddle.By the first vehicle frame and the second vehicle frame that is positioned at the car body both sides, and be connected to each rotating shaft between first, second cross bar, make the structural strength of car body better.Certainly, except adopting above-mentioned bilateral vehicle frame, also can adopt existing one-sided vehicle frame, but the structural strength of one-sided vehicle frame is lower, the external structure of folding rear bicycle is also succinct not.

Preferred as such scheme, the upper end of described stem is equipped with verticle stem of handlebar, described handlebar is installed on this verticle stem of handlebar, under the bicycle folded state, vertical rod is embedded between above-mentioned the first saddle and the second saddle behind described two saddles, and described verticle stem of handlebar is embedded in behind described two saddles between the vertical rod.Like this, just can mutually not stop in the synchronous folding process at verticle stem of handlebar, the forward and backward vertical rod of saddle and saddle, folding can carrying out smoothly, and after folding above-mentioned parts also between the first vehicle frame and the second vehicle frame, thereby make the bicycle external structure after folding comparatively succinct.

Further preferred as such scheme, under the bicycle folded state, the left handle of described the first saddle and the second saddle and described handlebar and right handle are subjected to described the first cross bar and the second stopping of cross bar and spacing respectively.Like this, just no longer rotate after leaning with first, second cross bar when first, second saddle turns to, similarly, just no longer rotate after leaning with first, second cross bar when left and right handle turns to.

Further preferred, described the first rotating shaft below is provided with the 4th rotating shaft, and the 4th rotating shaft connects described the first vehicle frame and the second vehicle frame and parallels with this first rotating shaft, and the upper end of described vertical tube of front fork is fixed in the 4th rotating shaft.By the setting of the 4th rotating shaft, further improved on the one hand the structural strength of vehicle frame, also be convenient on the other hand vertical tube of front fork and do to rotate smoothly.

Compared with prior art, the invention has the advantages that: because the forward and backward vertical rod of saddle, saddle of this folding bicycle and the vehicle frame that is positioned between the forward and backward vertical rod of saddle consist of four-bar mechanism, and being positioned at vertical rod is rotated synchronously behind vehicle frame rear end and the saddle second connecting rod can drive stem by first connecting rod and rotate synchronously, so that turn to forward near in the process of vehicle frame at saddle, stem drive handlebar rotates backward synchronously until near vehicle frame, thereby realized the synchronous folding of handlebar and saddle, folding very convenient.In addition, because the present invention has also adopted the body frame structure for automotive that is made of the first vehicle frame and the second vehicle frame, not only so that the integral structure of car body is comparatively firm, and each parts makes the external structure of bicycle seem comparatively succinct between the first vehicle frame and the second vehicle frame after folding.About separate in the middle of empty saddle more be conducive to bicyclist's health.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of the embodiment of the invention;

Fig. 2 is the three-dimensional structure diagram of another angle of folding bicycle shown in Figure 1;

Fig. 3 is the left view of folding bicycle shown in Figure 1;

Fig. 4 is the left view of folding bicycle shown in Figure 1 when partially folded;

Fig. 5 is the three-dimensional structure diagram after folding bicycle shown in Figure 1 folds fully;

Fig. 6 is the left view of folding bicycle shown in Figure 5.

For making figure succinct, power part is not expressed in the drawings.

The specific embodiment

Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.

Extremely shown in Figure 6 such as Fig. 1, the vehicle frame of the folding bicycle in the present embodiment is made of the first vehicle frame 11 and the second vehicle frame 12, the first vehicle frame and the second vehicle frame are located at respectively the left and right sides of car body, the bicycle structure of this bilateral vehicle frame is more firm, and each assembly of bicycle all in the inner space between the first vehicle frame 11 and the second vehicle frame 12, makes the bicycle external structure after folding more succinct after folding.Certainly, the present invention also can adopt one-sided body frame structure for automotive.Have respectively front and back to the first cross bar 13 and second cross bar 14 of horizontal distribution at the top of the first vehicle frame 11 and the second vehicle frame 12, bottom at the first cross bar 13 is provided with the first axis hole 51 from front to back successively, the second axis hole 52 and Triaxial hole 53 be totally three axis holes, bottom at the second cross bar 14 also is provided with the first corresponding axis hole 51 from front to back successively, the second axis hole 52 and Triaxial hole 53 be totally three axis holes, between above-mentioned two the first axis holes 51, the first rotating shaft 41 is installed, between above-mentioned two the second axis holes 52, the second rotating shaft 42 is installed, between above-mentioned two Triaxial holes 53, the 3rd rotating shaft 43 is installed, and above-mentioned each rotating shaft is all perpendicular to the first cross bar 13 and the second cross bar 14.In addition, the front end of the first vehicle frame 11 be positioned at the first axis hole 51 below locate to be provided with the 4th axis hole 54, the front end of the second vehicle frame 12 be positioned at the first axis hole 51 below locate to be provided with 54, the four rotating shafts 44 of the 4th axis hole and be installed between above-mentioned two the 4th axis holes 54 and with the first rotating shaft 41 and parallel.

Vertical rod 22 is two before the saddle, between the first cross bar 13 and the second cross bar 14, and the lower end of vertical rod 22 is separately fixed at the two ends of the second rotating shaft 42 before two saddles, like this, rotation along with the second rotating shaft 42, vertical rod 22 just can be rotated before and after the first cross bar and the second cross bar are done before the saddle, and the upper end of vertical rod 22 exceeds the first cross bar and the second cross bar and also is hinged with the front end of the first saddle 91 and the second saddle 92 respectively before two saddles.Accordingly, vertical rod 23 is two behind the saddle, between the first cross bar 13 and the second cross bar 14, and the lower end of vertical rod 23 is separately fixed at the two ends of the 3rd rotating shaft 43 behind two saddles, like this, rotation along with the 3rd rotating shaft 43, vertical rod 22 can be rotated before and after the first cross bar and the second cross bar work before the saddle, the upper end of vertical rod 23 exceeds the first cross bar and the second cross bar and is hinged with the rear end of the first saddle 91 and the second saddle 92 respectively behind two saddles, and vertical rod 23 extends upward and forms saddle backrest 26 behind two saddles.In addition, thus the rear end of second connecting rod 32 be fixed in the 3rd rotating shaft 43 with two saddles after vertical rod 23 keep rotating synchronously, and this second connecting rod 32 extends from its rear end to the front lower place and arranges.Like this, saddle, the forward and backward vertical rod of saddle and the cross bar between second and third rotating shaft consist of four-bar mechanism jointly, during this four-bar mechanism work, saddle rotates to the front lower place and is spacing until the first saddle 91 and the second saddle 92 were subjected to respectively in the first cross bar 13 and stopping of the second cross bar 14, and can drive second connecting rod 32 when this four-bar mechanism work and does backward synchronously rotation.

The lower end of stem 21 is fixed in the first rotating shaft 41 and oblique back upper place arranges, and like this, along with the rotation of the first rotating shaft, stem 21 just can rotate before and after the first cross bar 13 and the second cross bar 14 works.Verticle stem of handlebar 24 is installed in upper end at stem 21, and the left handlebar 61 of handlebar and right handlebar 62 are installed in the top of verticle stem of handlebar 24.The upper end of vertical tube of front fork 25 is fixed in the 4th rotating shaft 44 and oblique front lower place arranges, be provided with the snap-in structure 27 of mutual engaging at the opposing end surface of stem 21 and vertical tube of front fork 25, bicycle is under folded state not, stem 21 is on the same straight line with vertical tube of front fork 25 and mutually snaps into one, like this, when driving, just can't fold parts such as stem 21 and verticle stem of handlebars 24, guarantee traffic safety, when folded state, then be separated from each other.Front fork 72 and front-wheel 82 are fixed on the below of vertical tube of front fork 25, the lower end of vertical tube of front fork 25 is hinged by the front end of connecting strap 34 with third connecting rod 33, the front end of the rear end of third connecting rod 33 and above-mentioned second connecting rod 32 is hinged, simultaneously, the rear end of third connecting rod 33 also is hinged with the rear end of first connecting rod 31, and oblique front upper place arranges and its front end is articulated in the upper end of stem 21 first connecting rod 31 from its rear end.Like this, when above-mentioned four-bar mechanism work drive second connecting rod 32 rotated backward synchronously, second connecting rod 32 can drive third connecting rod 33 and first connecting rod 31 is mobile backward.Third connecting rod 33 backward movement can drive vertical tube of front fork 25 and be fixed on the parts such as front fork 72 on the vertical tube of front fork 25, front-wheel 82 and rotates backward, and until to be accommodated in the front end of the first vehicle frame 11 and the second vehicle frame 12 inner; First connecting rod 31 backward movement can drive stem 21, verticle stem of handlebar 24 and handlebar and rotates backward, and spacing until left and right handlebar is subjected to respectively stopping of first, second cross bar, to realize the synchronous folding of saddle, verticle stem of handlebar and front-wheel.Otherwise, rotate backward stem 21, verticle stem of handlebar 24 and handlebar, it finally drives vertical tube of front fork 25 by first connecting rod 31 and above-mentioned four-bar mechanism moves, and also can realize the synchronous folding of verticle stem of handlebar, front-wheel and saddle, specifically can with reference to above-mentioned course of action, not repeat them here.

In the present embodiment, also be provided with the trailing wheel fold mechanism, particularly, between the posterior end section of the first vehicle frame 11 and the second vehicle frame 12, be provided with the back vent 71 that can before and after vehicle frame is done, rotate, trailing wheel 81 is installed on the back vent 71, is provided with respectively a positive stop 9 in the posterior end section of the first vehicle frame and the second vehicle frame.During folding trailing wheel 81, rotate trailing wheel 81 and make its rear end that is accommodated in the first vehicle frame 11 and the second vehicle frame 12 inner, at this moment, positive stop 9 can stop that back vent 71 makes backward rotation, thereby makes the bicycle volume after folding less, carries more convenient.

For strengthening the sound construction degree of car body, and simultaneously also be convenient to each parts and be well on folding, the front vertical rod 22 of saddle, rear vertical rod 23 are two, and respectively between the first cross bar 13 and the second cross bar 14, the first saddle 91 and the second saddle 92 that separate about saddle then comprises, under the bicycle folded state, vertical rod 23 is embedded between above-mentioned the first saddle 91 and the second saddle 92 behind two saddles, and verticle stem of handlebar 24 is embedded in behind two saddles between the vertical rod 23.Like this, vertical rod 22 before verticle stem of handlebar 24, saddle, rear vertical rod 23 and saddle just can not stop in the synchronous folding process mutually, folding can carrying out smoothly.In addition, the first connecting rod 31 in the present embodiment, second connecting rod 32 and third connecting rod 33 also all adopt two, also link to each other by reinforcing rod 10 in the bottom of the first vehicle frame 11 and the second vehicle frame 12, further strengthen the integral structure firmness of this folding bicycle with this.

The above only is preferred implementation of the present invention; should be understood that; for those of ordinary skills; do not breaking away under the principle prerequisite of the present invention; can make multiple remodeling or improvement to the present invention; such as, the first connecting rod among the present invention, second connecting rod and third connecting rod all can substitute with the similar attaching parts such as the first connecting strap, the second connecting strap and the 3rd connecting strap respectively, and these all are regarded as within protection scope of the present invention.

Claims

1. bicycle that saddle is healthy comprises vehicle frame, is located at the handlebar of vehicle frame front upper place and is located at the saddle of vehicle frame back upper place, it is characterized in that: the first saddle (91) and the second saddle (92) that separate about described saddle comprises.

2. the healthy bicycle of saddle according to claim 1, it is characterized in that: the rear end of described vehicle frame is provided with the upper end above the vehicle frame top and relatively vertical rod (22) and rear vertical rod (23) before this vehicle frame saddle of doing rotate front and back, the front vertical rod of saddle (22), rear vertical rod (23) are two, and described saddle rear and front end is articulated in respectively the upper end of the front vertical rod of above-mentioned saddle, rear vertical rod.

3. the healthy bicycle of saddle according to claim 1, it is characterized in that: under the bicycle folded state, vertical rod (23) is embedded between above-mentioned the first saddle (91) and the second saddle (92) behind described two saddles.

4. the healthy bicycle of saddle according to claim 1 is characterized in that: the lower end of vertical rod (22) is fixed in the second rotating shaft before the described saddle, and the lower end of vertical rod behind the described saddle (23) is fixed in the 3rd rotating shaft.