CN212654452U - Sharing bicycle - Google Patents

Abstract

The utility model provides a sharing bicycle, sharing bicycle include two pedals and sprocket, and sharing bicycle includes: the bicycle comprises a frame, a middle shaft, a parking disc, a saddle, a connecting rod, a first limiting part, a second limiting part, a first spring, a fixing hole and an electric control lock; when the shared bicycle is paid, the spring bolt of the electric control lock is embedded into the fixed hole, the person rides the shared bicycle at the moment, the gravity of the person acts on the saddle, and the spring bolt is embedded into the fixed hole, so that the connecting rod cannot move downwards, and the shared bicycle is guaranteed to be ridden normally. By adopting the structure, when the sharing unit is not paid, the sharing bicycle can not be ridden, and the sharing bicycle can be pushed, so that the sharing bicycle can be conveniently placed, the sharing bicycle is prevented from blocking the road, and the use experience of the product is improved.

Description

Sharing bicycle

Technical Field

The utility model relates to a sharing bicycle technical field particularly, relates to a sharing bicycle.

Background

Currently, in the related art, one problem facing shared bicycles is: if the shared bicycle is returned to a parking place, the shared bicycle is not convenient to move because the rear wheel of the shared bicycle is locked and does not rotate; if the shared bicycle is forcibly pushed, the bicycle is easily damaged, and the use experience of the product is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model provides a sharing bicycle.

In view of this, the utility model provides a sharing bicycle, sharing bicycle include two pedals and sprocket, and sharing bicycle includes: the bicycle comprises a frame, a middle shaft, a parking disc, a saddle, a connecting rod, a first limiting part, a second limiting part, a first spring, a fixing hole and an electric control lock; the frame comprises a front pipe, an upper pipe, a vertical pipe, a lower pipe and a connecting part, wherein the front pipe, the upper pipe, the vertical pipe and the lower pipe are sequentially connected, and the connecting part is simultaneously connected with the vertical pipe and the lower pipe; the middle shaft penetrates through the connecting part, the middle shaft is rotatably connected with the connecting part, the two pedals are respectively connected with two ends of the middle shaft, the chain wheel is sleeved on the outer side of the middle shaft, and the chain wheel and the middle shaft do not rotate relatively; the parking disc is sleeved outside the middle shaft, and the parking disc and the middle shaft do not rotate relatively; at least part of the saddle is embedded in one end of the riser; the connecting rod is embedded into the vertical pipe, one end of the connecting rod is connected with the saddle, the other end of the connecting rod is provided with a positioning bulge, the positioning bulge is matched with the positioning groove, and the connecting rod slides in the vertical pipe; the first limiting part is arranged on the inner wall of the vertical pipe, the first limiting part is wound on the outer side of the other end of the connecting rod, and a gap is formed between the first limiting part and the connecting rod; the second limiting part is sleeved on the outer side of the connecting rod, and the second limiting part and the connecting rod are of an integrated structure; one end of the first spring is connected with the first limiting part, and the other end of the first spring is connected with the second limiting part. The fixing hole penetrates through the vertical pipe and the connecting rod; the electric control lock comprises a body and a bolt, wherein at least one end of the bolt is embedded into the body, the bolt moves in the body, and the other end of the bolt is embedded into the fixing hole.

In the technical scheme, firstly, the front pipe, the upper pipe, the stand pipe and the lower pipe are sequentially connected, and the connecting part is simultaneously connected with the stand pipe and the lower pipe, so that the inside of the stand pipe is communicated with the inside of the connecting part, and the firmness of the frame is improved; secondly, the middle shaft penetrates through the connecting part, the middle shaft is rotatably connected with the connecting part, the two pedals are respectively connected with two ends of the middle shaft, and the chain wheel is sleeved on the outer side of the middle shaft, so that the middle shaft is driven to rotate by the two pedals, the middle shaft drives the chain wheel to rotate, and normal movement of the shared bicycle is realized; thirdly, the parking disc is embedded into the connecting part and sleeved outside the middle shaft, and the parking disc and the middle shaft do not rotate relatively, so that the parking disc and the middle shaft rotate or stop simultaneously; thirdly, embedding at least part of the saddle into one end of the vertical pipe, and connecting one end of the connecting rod with the saddle so as to drive the connecting rod to move downwards in the vertical pipe when the saddle is pressed by weight; meanwhile, the other end of the connecting rod is provided with the positioning bulge, and the positioning bulge is matched with the positioning groove in the circumferential direction of the parking disc, so that when the connecting rod moves downwards, the positioning bulge is embedded into the positioning groove, the parking disc stops rotating, and the shared bicycle cannot be ridden; thirdly, one end of the first spring is connected with the first limiting part arranged on the inner wall of the vertical pipe, and the other end of the first spring is connected with the second limiting part sleeved on the outer side of the connecting rod, so that when the connecting rod moves downwards, the second limiting part compresses the first spring to enable the first spring to generate elastic deformation, and therefore when the saddle is not stressed, the first spring recovers the elastic deformation to enable the connecting rod to reset; thirdly, the fixing hole penetrates through the vertical pipe and the connecting rod, so that the spring bolt of the electric control lock is embedded into the fixing hole, the connecting rod is fixed in the vertical pipe, and the connecting rod is prevented from occurring. When the shared bicycle is not paid, the structure is adopted, the spring bolt of the electric control lock is not embedded into the fixed hole, and at the moment, if a person is ready to ride the shared bicycle, the gravity of the person acts on the saddle to cause the connecting rod to move downwards, so that the positioning protrusion is embedded into the positioning groove, the parking disc cannot rotate at the moment, the shared bicycle cannot be ridden, and the shared bicycle can be charged normally; if a person does not ride the shared bicycle at the moment, gravity does not act on the saddle, the first spring drives the connecting rod to move upwards, the positioning protrusion is separated from the positioning recess, and the parking disc can normally rotate at the moment, so that the shared bicycle can be pushed. When the shared bicycle is paid, the spring bolt of the electric control lock is embedded into the fixed hole, the person rides the shared bicycle at the moment, the gravity of the person acts on the saddle, and the spring bolt is embedded into the fixed hole, so that the connecting rod cannot move downwards, and the shared bicycle is guaranteed to be ridden normally. By adopting the structure, when the sharing unit is not paid, the sharing bicycle can not be ridden, and the sharing bicycle can be pushed, so that the sharing bicycle can be conveniently placed, the sharing bicycle is prevented from blocking the road, and the use experience of the product is improved.

Specifically, the shared bicycle comprises a processor which is electrically connected with the electric control lock so as to control the bolt of the electric control lock to extend out of the body or retract into the body.

Additionally, the utility model provides a sharing bicycle among the above-mentioned technical scheme can also have following additional technical characterstic:

in the above technical solution, preferably, the shared bicycle further includes: the limiting groove is red, and the limiting block is arranged on the limiting groove; the limiting groove is a long through groove and penetrates through the connecting rod; the limiting block penetrates through the connecting part and is embedded into part of the limiting groove.

In this technical scheme, through passing connecting portion with the stopper, make the stopper embedding at partial spacing inslot, and because the spacing groove is rectangular type logical groove to realize that the stopper removes in the spacing inslot, thereby inject the connecting rod and reciprocate the distance, too big and oppression parking dish in order to avoid the distance of connecting rod downstream, cause parking dish to receive the effort too big and take place the condition emergence of damaging, thereby promote the quality of product, the service life of extension product.

In the above technical solution, preferably, the shared bicycle further includes: the second spring is sleeved on the outer side of the connecting rod, one end of the second spring is connected with the vertical pipe, and the other end of the second spring is connected with the saddle.

In this technical scheme, establish the outside at the connecting rod through establishing the second spring cover, be connected the one end of second spring with the riser to be connected the other end of second spring with the saddle, when in order to realize because of saddle gravity downwardly moving, the second spring is compressed, when the saddle does not receive gravity, the second spring resets, and make the saddle and the connecting rod rebound that is connected with the saddle, thereby realize that the location is protruding to break away from with the positioning groove mutually, in order to ensure the normal use of product.

In the above technical solution, preferably, the shared bicycle further includes: a bearing; the bearing comprises an inner ring, an outer ring and balls, wherein at least four balls are embedded into the inner ring of the bearing and the outer ring of the bearing so as to enable the inner ring of the bearing and the outer ring of the bearing to rotate relatively; the outer rings of the two bearings are embedded into two ends of the connecting part, and the inner rings of the bearings are sleeved outside the middle shaft; wherein, the middle shaft is in excessive fit with the inner ring of the bearing.

In the technical scheme, the outer rings of the two bearings are embedded into the two ends of the connecting part, and the inner rings of the bearings are sleeved on the outer side of the middle shaft, so that the middle shaft is supported by the two bearings, and the rotation flexibility of the middle shaft is improved. Meanwhile, the middle shaft and the inner ring of the bearing are arranged to be in excessive fit, so that the situation that the middle shaft shakes due to the fact that a gap between the middle shaft and the inner ring of the bearing is too large is avoided, the situation that the bearing cannot be installed on the middle shaft due to the fact that no gap exists between the middle shaft and the inner ring of the bearing is avoided, and the use experience of a product is improved.

In the above technical solution, preferably, the shared bicycle further includes: a roller; at least two rollers are rotatably connected with the connecting rod, and the rollers are attached to the vertical pipe.

In the technical scheme, at least two idler wheels are rotatably connected with the connecting rod and are attached to the inner wall of the vertical pipe, so that the connecting rod is positioned in the vertical pipe through the at least two idler wheels, and the connecting rod is prevented from deviating in the vertical pipe; simultaneously, can realize that the connecting rod is connected with the inner wall gyro wheel of riser to improve the flexibility that the connecting rod removed in the riser.

In the above technical solution, preferably, the shared bicycle further includes: a protective cover; the protective cover covers the outer side of the electric control lock, and the protective cover is fixed on the vertical pipe.

In this technical scheme, establish the outside at the electric control lock through covering the protection casing to fix the protection casing on the riser, hit and receive the damage because of receiving external force with preventing the electric control lock, thereby promote the quality of product, prolong the life of product.

In the above technical scheme, preferably, the other end of the lock tongue is arc-shaped.

In this technical scheme, set up to the circular arc type through the other end with the spring bolt to reduce the degree of difficulty of spring bolt embedding fixed orifices, thereby promote the use of product and experience.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of a shared bicycle according to an embodiment of the present invention;

fig. 2 is a partial enlarged view of a portion a of fig. 1 showing a schematic structural view of a shared bicycle according to an embodiment of the present invention;

fig. 3 is a partial enlarged view at B of fig. 1 showing a structural schematic view of a shared bicycle according to an embodiment of the present invention;

fig. 4 is a partial enlarged view at C of fig. 1 showing a structural schematic view of a shared bicycle according to an embodiment of the present invention;

fig. 5 shows a schematic structural view of a shared bicycle according to another embodiment of the present invention;

fig. 6 is a partial enlarged view at D of fig. 5 showing a structural schematic view of a shared bicycle according to another embodiment of the present invention;

fig. 7 is a partial enlarged view at E of fig. 5 showing a structural schematic view of a shared bicycle according to another embodiment of the present invention;

fig. 8 shows a schematic structural view of a shared bicycle according to yet another embodiment of the present invention;

fig. 9 is a partial enlarged view of fig. 8 showing a structural schematic view of a shared bicycle according to still another embodiment of the present invention;

fig. 10 is a partial enlarged view at G of fig. 8 showing a structural schematic view of a shared bicycle according to still another embodiment of the present invention;

wherein, the correspondence between the reference numbers and the component names in fig. 1 to 10 is:

12 frames, 122 front tubes, 124 upper tubes, 126 vertical tubes, 128 lower tubes, 130 connecting parts, 14 middle shafts, 16 parking discs, 17 positioning grooves, 18 saddles, 20 connecting rods, 21 positioning protrusions, 22 first limiting parts, 24 second limiting parts, 26 first springs, 28 fixing holes, 30 electric control locks, 302 bodies, 304 locking tongues, 32 limiting grooves, 34 limiting blocks, 36 second springs, 38 rollers and 40 protective covers.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The sharing bicycle according to some embodiments of the present invention is described below with reference to fig. 1 to 10.

In an embodiment of the present invention, as shown in fig. 1 to 10, the present invention provides a shared bicycle, which includes two pedals and a sprocket, the shared bicycle includes: the bicycle comprises a frame 12, a middle shaft 14, a parking disc 16, a saddle 18, a connecting rod 20, a first limiting part 22, a second limiting part 24, a first spring 26, a fixing hole 28 and an electric control lock 30; the frame 12 comprises a front pipe 122, an upper pipe 124, a riser 126, a lower pipe 128 and a connecting part 130, wherein the front pipe 122, the upper pipe 124, the riser 126 and the lower pipe 128 are connected in sequence, and the connecting part 130 is simultaneously connected with the riser 126 and the lower pipe 128; the middle shaft 14 penetrates through the connecting part 130, the middle shaft 14 is rotatably connected with the connecting part 130, the two pedals are respectively connected with two ends of the middle shaft 14, the chain wheel is sleeved on the outer side of the middle shaft 14, and the chain wheel and the middle shaft 14 do not rotate relatively; the parking disc 16 is circumferentially provided with a plurality of positioning grooves 17, the parking disc 16 is embedded into the connecting part 130, the parking disc 16 is sleeved on the outer side of the middle shaft 14, and the parking disc 16 and the middle shaft 14 do not rotate relatively; at least part of saddle 18 is embedded within one end of riser 126; the connecting rod 20 is embedded in the vertical pipe 126, one end of the connecting rod 20 is connected with the saddle 18, the other end of the connecting rod 20 is provided with a positioning bulge 21, the positioning bulge 21 is matched with the positioning groove 17, and the connecting rod 20 slides in the vertical pipe 126; the first position-limiting part 22 is arranged on the inner wall of the vertical pipe 126, the first position-limiting part 22 is wound on the outer side of the other end of the connecting rod 20, and a gap is formed between the first position-limiting part 22 and the connecting rod 20; the second limiting part 24 is sleeved on the outer side of the connecting rod 20, and the second limiting part 24 and the connecting rod 20 are of an integrated structure; one end of the first spring 26 is connected to the first position-limiting portion 22, and the other end of the first spring 26 is connected to the second position-limiting portion 24. The fixing hole 28 passes through the stand pipe 126 and the connecting rod 20; the electrically controlled lock 30 comprises a body 302 and a locking tongue 304, wherein at least one end of the locking tongue 304 is embedded in the body 302, the locking tongue 304 moves in the body 302, and the other end of the locking tongue 304 is embedded in the fixing hole 28.

In this embodiment, first, the front tube 122, the upper tube 124, the riser tube 126 and the lower tube 128 are connected in sequence, and the connecting portion 130 is connected to the riser tube 126 and the lower tube 128 at the same time, so that the interior of the riser tube 126 and the connecting portion 130 are communicated, and the firmness of the frame 12 is improved; secondly, the middle shaft 14 passes through the connecting part 130, so that the middle shaft 14 is rotatably connected with the connecting part 130, the two pedals are respectively connected with two ends of the middle shaft 14, and the chain wheel is sleeved on the outer side of the middle shaft 14, so that the middle shaft 14 is driven to rotate by the two pedals, the middle shaft 14 drives the chain wheel to rotate, and the normal movement of the shared bicycle is realized; thirdly, the parking disc 16 is sleeved outside the middle shaft 14 by embedding the parking disc 16 into the connecting part 130, and the parking disc 16 and the middle shaft 14 do not rotate relatively, so that the parking disc 16 and the middle shaft 14 rotate or stop simultaneously; thirdly, one end of the connecting rod 20 is connected with the saddle 18 by embedding at least part of the saddle 18 into one end of the riser 126, so that when the saddle 18 is pressed by weight, the saddle 18 drives the connecting rod 20 to move downwards in the riser 126; meanwhile, as the other end of the connecting rod 20 is provided with the positioning protrusion 21, and the positioning protrusion 21 is matched with the positioning groove 17 on the periphery of the parking disc 16, when the connecting rod 20 moves downwards, the positioning protrusion 21 is embedded into the positioning groove 17, so that the parking disc 16 stops rotating, and the shared bicycle cannot be ridden; thirdly, one end of the first spring 26 is connected with the first limiting part 22 arranged on the inner wall of the vertical pipe 126, and the other end of the first spring 26 is connected with the second limiting part 24 sleeved on the outer side of the connecting rod 20, so that when the connecting rod 20 moves downwards, the second limiting part 24 compresses the first spring 26, the first spring 26 is elastically deformed, and therefore when the saddle 18 is not stressed, the first spring 26 recovers elastic deformation, and the connecting rod 20 is reset; again, the locking tongue 304 of the electrically controlled lock 30 is inserted into the fixing hole 28 by passing the fixing hole 28 through the riser 126 and the connecting rod 20 to achieve the fixing of the connecting rod 20 in the riser 126, thereby preventing the connecting rod 20 from occurring. When the shared bicycle is not paid, by adopting the structure, the bolt 304 of the electric control lock 30 is not embedded into the fixing hole 28, and at the moment, if a person is ready to ride the shared bicycle, the gravity of the person acts on the saddle 18 to cause the connecting rod 20 to move downwards, so that the positioning protrusion 21 is embedded into the positioning groove 17, and at the moment, the parking disc 16 cannot rotate, so that the shared bicycle cannot be ridden, and the shared bicycle can be normally charged; if the person does not ride the sharing bicycle, gravity will not act on the saddle 18, the first spring 26 will drive the connecting rod 20 to move upwards, so that the positioning protrusion 21 is separated from the positioning recess, and the parking disc 16 can normally rotate, so that the sharing bicycle can be pushed. When the shared bicycle is paid for, the locking tongue 304 of the electric control lock 30 is inserted into the fixing hole 28, and the shared bicycle is ridden by the person, the weight of the person acts on the saddle 18, and the connecting rod 20 does not move downwards because the locking tongue 304 is inserted into the fixing hole 28, so that the shared bicycle is guaranteed to be ridden normally. By adopting the structure, when the sharing unit is not paid, the sharing bicycle can not be ridden, and the sharing bicycle can be pushed, so that the sharing bicycle can be conveniently placed, the sharing bicycle is prevented from blocking the road, and the use experience of the product is improved.

Specifically, the shared bicycle comprises a processor which is electrically connected with the electric control lock 30 to control the bolt 304 of the electric control lock 30 to extend out of the body 302 or retract into the body 302.

In an embodiment of the present invention, preferably, as shown in fig. 1 to 10, the shared bicycle further includes: a limiting groove 32 and a limiting block 34; the limiting groove 32 is a long through groove, and the limiting groove 32 penetrates through the connecting rod 20; the stopper 34 passes through the connecting portion 130, and the stopper 34 is embedded in a portion of the stopper groove 32.

In this embodiment, through passing stopper 34 through connecting portion 130, make stopper 34 imbed in partial spacing groove 32, and because spacing groove 32 is rectangular type logical groove to realize that stopper 34 removes in spacing groove 32, thereby inject connecting rod 20 and reciprocate the distance, in order to avoid connecting rod 20 distance of moving down too big and oppress parking dish 16, cause parking dish 16 to receive the too big condition emergence that takes place the damage of effort, thereby promote the quality of product, the life of extension product.

In an embodiment of the present invention, preferably, as shown in fig. 1 to 10, the shared bicycle further includes: and the second spring 36 is sleeved on the outer side of the connecting rod 20, one end of the second spring 36 is connected with the vertical pipe 126, and the other end of the second spring 36 is connected with the saddle 18.

In this embodiment, the second spring 36 is sleeved outside the connecting rod 20, one end of the second spring 36 is connected with the vertical pipe 126, and the other end of the second spring 36 is connected with the saddle 18, so that when the saddle 18 moves downwards due to the gravity, the second spring 36 is compressed, when the saddle 18 is free from the gravity, the second spring 36 is reset, the saddle 18 and the connecting rod 20 connected with the saddle 18 move upwards, and the positioning protrusion 21 is separated from the positioning groove 17, so that the normal use of the product is ensured.

In an embodiment of the present invention, preferably, the shared bicycle further includes: a bearing; the bearing comprises an inner ring, an outer ring and balls, wherein at least four balls are embedded into the inner ring of the bearing and the outer ring of the bearing so as to enable the inner ring of the bearing and the outer ring of the bearing to rotate relatively; the outer rings of the two bearings are embedded into two ends of the connecting part 130, and the inner rings of the bearings are sleeved outside the middle shaft 14; wherein, the middle shaft 14 is in excessive fit with the inner ring of the bearing.

In this embodiment, the outer rings of the two bearings are embedded into the two ends of the connecting portion 130, and the inner rings of the bearings are sleeved on the outer side of the middle shaft 14, so that the two bearings support the middle shaft 14, and the flexibility of rotation of the middle shaft 14 is improved. Meanwhile, the middle shaft 14 and the inner ring of the bearing are arranged to be in over fit, so that the situation that the middle shaft 14 shakes due to an overlarge gap between the middle shaft 14 and the inner ring of the bearing is avoided, the situation that the bearing cannot be installed on the middle shaft 14 due to no gap between the middle shaft 14 and the inner ring of the bearing is avoided, and the use experience of the product is further improved.

In an embodiment of the present invention, preferably, as shown in fig. 1 to 4, the shared bicycle further includes: a roller 38; at least two rollers 38 are rotatably connected to the connecting rod 20, and the rollers 38 engage the vertical tube 126.

In this embodiment, the at least two rollers 38 are rotatably connected to the connecting rod 20, and the rollers 38 are engaged with the inner wall of the vertical pipe 126, so as to position the connecting rod 20 in the vertical pipe 126 via the at least two rollers 38, thereby preventing the connecting rod 20 from being deviated in the vertical pipe 126; at the same time, the connection of the connecting rod 20 with the inner wall roller 38 of the riser 126 can be achieved, thereby improving the flexibility of the movement of the connecting rod 20 within the riser 126.

In an embodiment of the present invention, preferably, as shown in fig. 1 to 10, the shared bicycle further includes: a protective cover 40; the protection cover 40 covers the outside of the electric control lock 30, and the protection cover 40 is fixed on the stand pipe 126.

In this embodiment, the protective cover 40 is covered on the outer side of the electric control lock 30, and the protective cover 40 is fixed on the vertical pipe 126, so that the electric control lock 30 is prevented from being damaged due to being hit by external force, the quality of the product is improved, and the service life of the product is prolonged.

In an embodiment of the present invention, preferably, the other end of the latch tongue 304 is a circular arc.

In this embodiment, the other end of the latch bolt 304 is set to be a circular arc shape, so that the difficulty of embedding the latch bolt 304 into the fixing hole 28 is reduced, and the use experience of the product is improved.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A shared bicycle that includes two pedals and a sprocket, the shared bicycle comprising:

the frame comprises a front pipe, an upper pipe, a vertical pipe, a lower pipe and a connecting part, wherein the front pipe, the upper pipe, the vertical pipe and the lower pipe are sequentially connected, and the connecting part is simultaneously connected with the vertical pipe and the lower pipe;

the middle shaft penetrates through the connecting part, the middle shaft is rotatably connected with the connecting part, the two pedals are respectively connected with two ends of the middle shaft, the chain wheel is arranged on the outer side of the middle shaft, and the chain wheel and the middle shaft do not rotate relatively;

the parking disc is provided with a plurality of positioning grooves in the circumferential direction, the parking disc is embedded into the connecting part, the parking disc is sleeved on the outer side of the middle shaft, and the parking disc and the middle shaft do not rotate relatively;

a saddle at least partially embedded within one end of the riser;

the connecting rod is embedded into the vertical pipe, one end of the connecting rod is connected with the saddle, the other end of the connecting rod is provided with a positioning bulge, the positioning bulge is matched with the positioning groove, and the connecting rod slides in the vertical pipe;

the first limiting part is arranged on the inner wall of the vertical pipe, the first limiting part is wound on the outer side of the other end of the connecting rod, and a gap is formed between the first limiting part and the connecting rod;

the second limiting part is sleeved on the outer side of the connecting rod, and the second limiting part and the connecting rod are of an integrated structure;

one end of the first spring is connected with the first limiting part, and the other end of the first spring is connected with the second limiting part;

a fixing hole passing through the stand pipe and the connecting rod;

the electric control lock comprises a body and a lock tongue, at least one part of one end of the lock tongue is embedded into the body, the lock tongue moves in the body, and the other end of the lock tongue is embedded into the fixed hole.

2. The shared bicycle of claim 1, further comprising:

the limiting groove is a long through groove and penetrates through the connecting rod;

the limiting block penetrates through the connecting part and is embedded into part of the limiting groove.

3. The sharing bicycle of claim 2, further comprising:

the second spring is sleeved on the outer side of the connecting rod, one end of the second spring is connected with the vertical pipe, and the other end of the second spring is connected with the saddle.

4. The sharing bicycle of claim 3, further comprising:

the bearing comprises an inner ring, an outer ring and balls, and at least four balls are embedded into the inner ring of the bearing and the outer ring of the bearing so that the inner ring of the bearing and the outer ring of the bearing rotate relatively;

the outer rings of the two bearings are embedded into two ends of the connecting part, and the inner rings of the bearings are sleeved on the outer side of the middle shaft;

the middle shaft is in excessive fit with the inner ring of the bearing.

5. The sharing bicycle of claim 4, further comprising:

and at least two idler wheels are rotatably connected with the connecting rod and are attached to the vertical pipe.

6. The shared bicycle of claim 1, further comprising:

the protective cover covers the outer side of the electric control lock, and the protective cover is fixed on the vertical pipe.

7. The shared bicycle of any one of claims 1 to 6, wherein:

the other end of the lock tongue is arc-shaped.

Images