CN2501772Y - Bicycle with adjustable saddle height device for running - Google Patents

Abstract

A bicycle whose seat height can be adjusted during riding consists of a frame, above which a handle and a seat cushion are respectively arranged at the front end at the back end, a energy storing unit consisting of a base bar, an inner tube which is coaxially fixed in the base bar, a piston head which is airtightly slidingly sleeved in the inner tube, a piston rod, one internal end of which is fixed to the piston head and the external end passing through the frame and the seat cushion and high-pressure air filling the inner tube, the energy storing unit is fixed between the frame and the seat cushion by the base bar and external end of the piston rod, and a locking cell which makes a slide handover between the first and the second position. The first position is the locking state of the seat cushion relative to the frame and the second position is the sliding state of the seat cushion relative to the frame. The utility model has advantages of simple components and safe operation.

Description

Can in travelling, adjust the bicycle of bench height

[technical field]

The utility model relates to a kind of bicycle, the particularly a kind of bicycle that can adjust bench height in travelling.

[background technology]

General bicycle includes a vehicle frame with a handlebar, be hubbed at a front-wheel of the forward and backward fork of this vehicle frame and a trailing wheel, a pair of pedal, at least one this pedal-actuated large fluted disc that is subjected to that is linked to the vehicle frame below respectively, at least one small tooth plate of being located at the hind axle core, a circle are socketed on the seat cushion of the seat pipe of a vehicle frame around the chain of large and small fluted disc, with a bar, also have attendant equipments such as brake, change-speed box and Shock absorber in addition.And bench height can be adjusted when bicycle is quiescence, its adjustment mode is for loosening seat a pipe, elevating bracket bar, locking bed pipe again, pay attention to the rider of efficient orientation, as players, usually seat cushion is transferred very high, make lower limb energy full extension when pushes pedals cause the inconvenience that gets on and off but shortcoming is too high seat cushion, and too high center of gravity is relatively more dangerous when dealing with emergency with performance efficient.On the other hand, pay attention to the rider of safety orientation, transfer seat cushion lower usually, make to get on and off conveniently, and lower center of gravity is safer when dealing with emergency, be difficult to bring into play efficient but shortcoming is the pushes pedals of bending knee.

As Fig. 1, shown in Figure 2, existing a kind of bicycle saddle cushion setting device is emphasized to get off and can be adjusted bench height, mainly be to set firmly a linkage rod group 2 on the present pipe 1, this linkage rod group 2 connects a quick detach 3 and controlled by a cable wire 4, these quick detach 3 meeting pine oils are to the clamping of seat pipe 1 when tension cable wire 4, simultaneously pushing away pulling block 301 with one struts two intermediate plates 101 of seat pipe 1 more, utilize the elastic force of the spring (figure does not show) in the seat pipe 1 that a bar 501 is risen together with seat cushion 5, or the strength of borrowing the rider to sit down transfers to the appropriate location with seat cushion 5, this quick detach 3 locking bed pipe 1 and seat bar 501 once again when loosening cable wire 4.Though it can accomplish the end in view, still have following disappearance:

One, this spring is experienced all sorts of the anxiety that is compressed with elastic fatigue, and perhaps seat cushion 5 too quickly upspringing easily cause the rider injured.

Two, these linkage rod group 2 member complexity, bulky are easily interfered arrangements of components such as peripheral brake mudwing.

[utility model content]

The purpose of this utility model is to provide the bicycle that can adjust bench height in travelling of the simple and safety of operation of a kind of member.

In order to achieve the above object, the utility model provides a kind of bicycle that can adjust bench height in travelling, it is characterized in that: comprise:

One vehicle frame, its top front and back ends is respectively equipped with a handlebar and a seat cushion, and a forward and backward fork of its below is pivoted with a front-wheel and a trailing wheel respectively, and pair of pedals is to be linked to this vehicle frame below;

One energy storage unit, include: one has first, the seat bar of two ends and central axis hole, the one coaxial interior pipe that is fixedly arranged in this bar, should be installed with first airtightly in interior pipe two ends, two end caps, one airtightly slip cap be located in this piston head in pipe cooperate this first, two end caps are separated into first vertically with interior pipe, two ballastings, one piston rod is fixed in this piston head and passes pipe and this bar in this with an outer end via this second ballasting with an inner end, with high pressure air be filled in this first, in two ballastings, this is first years old, two end caps are respectively adjacent to first of a bar, two ends, also have an interlayer air flue that extends vertically between this bar and this interior pipe, these interlayer air flue two ends by this first, the sealing of two end caps, should be provided with this first ballasting of communication and first air flue of this interlayer air flue and second air flue of linking up this second ballasting and this interlayer air flue by interior pipe, this energy storage unit is fixed between vehicle frame and the seat cushion with the first end of this bar and the outer end of this piston rod, the trend that the permanent maintenance of this piston head is moved towards this second end cap, when it moves, first, total internal volume of two ballastings can increase, high pressure air can expand and release energy, can make seat cushion relative with vehicle frame away from, when the rider presses down seat cushion convergence vehicle frame with body weight, piston head moves towards first end cap, first, total internal volume of two ballastings can reduce, and impels high pressure air to be compressed and storing energy;

One lock cell and one is controlled the control unit of this lock cell, and this lock cell is in the primary importance place the relative vehicle frame of this seat cushion is formed locking condition, and this lock cell is in second place place the relative vehicle frame of this seat cushion is removed locking formation sliding mode.

The described bicycle that can in travelling, adjust bench height, it is characterized in that: this rear end, vehicle frame top is provided with a pipe, the first end and the seat cushion of this bar are affixed, and the second end of this bar is that slip cap is connected in this pipe, and the outer end of this piston rod is to be fixed in this pipe lower end.

The described bicycle that can adjust bench height in travelling is characterized in that: this rear end, vehicle frame top is installed with an outer tube, this seat pipe of this outer tube clamping.

The described bicycle that can in travelling, adjust bench height, it is characterized in that: this lock cell comprises a slip cap at least and is located at valve rod in the central valve opening of this first end cap, in this primary importance place, this valve rod should produce locking condition by interior pipe relatively with this first air flue blocking-up and this piston head, in this second place place, this valve rod is internally managed the generation sliding mode mutually with this first airway open and this piston head.

The described bicycle that can in travelling, adjust bench height, it is characterized in that: this valve rod top also is provided with a push rod that slides vertically, this push rod top is protruding to be exposed at beyond this bar, this control unit comprises the cable between the swinging end that connecting rod piece and that a binder that is fixedly arranged on this handlebar, is articulated in this bar with a pivot end is connected in this binder and this connecting rod piece, be provided with a protrusion between these connecting rod piece two ends, this protrusion presses down this push rod.

In sum, the utility model can be adjusted the bicycle of bench height in travelling, and compares with existing apparatus to have the following advantages:

One, utilizes high pressure air not have the problem of elastic fatigue, also can not make seat cushion 160 too quickly upspringing, cause the rider injured as the energy storage media.

Two, the main element of this control unit 400 and lock cell 300 all adopt concealed design, can not interfere the peripheral element configuration.

Below by preferred embodiment and accompanying drawing the bicycle that can adjust bench height in travelling of the present utility model is elaborated:

[description of drawings]

Fig. 1 is the block diagram of existing bicycle saddle cushion setting device.

Fig. 2 is the flat assembly drawing of existing bicycle saddle cushion setting device.

Fig. 3 is the plane installing scheme drawing of the utility model one first preferred embodiment, and shows the state of seat cushion convergence vehicle frame.

Fig. 4 is the local combination section of the above-mentioned preferred embodiment of the utility model.

Fig. 5 is the scheme drawing that a lock cell of the above-mentioned preferred embodiment of the utility model is positioned at primary importance.

Fig. 6 is the cross-sectional schematic of being got along the straight line 6-6 among Fig. 5.

Fig. 7 is the partial perspective view that the part member of a control unit of the above-mentioned preferred embodiment of the utility model is attached at a masthead end.

Fig. 8 is that this lock cell of the above-mentioned preferred embodiment of the utility model is subjected to controlling of this control unit and is positioned at the diagram of work of a second place.

Fig. 9 is the partial enlarged view that the lock cell of the above-mentioned preferred embodiment of the utility model is positioned at the second place.

Figure 10 is the adjustment scheme drawing of the seat cushion of the above-mentioned preferred embodiment of the utility model away from vehicle frame.

Figure 11 is the partial cutaway schematic of the above-mentioned preferred embodiment of the utility model.

Figure 12 is the part plan scheme drawing of the utility model one second preferred embodiment.

[specific embodiment]

As shown in Figure 3, the utility model first embodiment bicycle that can adjust bench height in travelling comprises a vehicle frame 100, an energy storage unit 200, a lock cell 300 and a control unit 400.

These vehicle frame 100 top front and back ends are installed with a handlebar 110 and a pipe 120 respectively, the forward and backward fork 101,102 of its below is pivoted with a front-wheel 130 and a trailing wheel 140 respectively, and these vehicle frame 100 belows are provided with a pair of pedal 150 that drives bicycle running between this front-wheel 130 and trailing wheel 140, these pipe 120 tops are provided with a seat cushion 160, the left of handlebar 110 can be established a brake binder (figure does not show), this is a prior art partly, so no longer describe in detail at this.

Cooperate and to consult Fig. 4, shown in Figure 5, this energy storage unit 200 mainly comprises a bar 10, and axially is set in pipe 20, in its in-to-in along seat bar 10 and can axially produces the piston head that slides 30, along pipe in this 20 and manage 20 in-to-in high pressure airs with these piston rod 30 bonded assembly piston rods 40 and in being filled in.This bar 10 has the central axis hole 13 that opposite first and second end 11,12 and connects this first and second end 11,12, these first end 11 abutment pads 160 are affixed, 12 of the second ends are that slip cap is connected in the seat pipe 120, as shown in Figure 6, this bar 10 and 120 of seat pipes are to work in coordination with the groove 14 that extends along axis and a steel ball 121 to prevent relative rotation.Should in pipe 20 be in the coaxial axis hole 13 that is fixedly arranged on a bar 10, and two ends are to being respectively equipped with first and second end cap 21,22 in first and second end 11,12, and pipe 20 produces airtight in making with an interior seal ring 211,221 respectively, pipe 20 and 10 on bar of seat have an interlayer air flue 23 along the axis extension in being somebody's turn to do, and the two ends of this interlayer air flue 23 are sealed by an outer seal ring 212,222 of first and second end cap 21,22 peripheries.This piston head 30 is to manage in 20 in slip cap is located at airtightly, and cooperates first and second end cap 21,22 that interior pipe 20 is separated into first and second ballasting 24,25 vertically, and high pressure air promptly is filled in first and second ballasting 24,25.This piston rod 40 has an inner end 41 that is fixed in piston head 30, and one pass via second ballasting 25 in the outer end 42 of pipe 20 and seat bar 10, this outer end 42 also is fixed in seat pipe 120 lower ends with a pin 122.And these first end cap, 21 central authorities have the valve opening 213 of a symmetrical axis, the stage casing then radially offers the pore 214 of a connection interlayer air flue 23 and valve opening 213, this pore 214 and valve opening 213 merged herein and be defined as first air flue 26 of linking up first ballasting 24 and interlayer air flue 23, then there is second air flue 27 of linking up second ballasting 25 and interlayer air flue 23 pipe 20 near lower ends in this.

As Fig. 5 and shown in Figure 9, this lock cell 300 is that a slip cap is located at the valve rod in the valve opening 213 of first end cap 21, this lock cell 300 has a first footpath section 301, a path section 302, one second largest footpath section 303 and a valve block 304 from top to bottom vertically, is provided with one first seal ring 305, a collar 306, one second seal ring 307 and a limit plug 308 between this valve opening 213 and lock cell 300 from top to bottom vertically.The external diameter of this path section 302 is less than the free internal diameter of second seal ring 307, the ring wall of this collar 306 is provided with a radial direction through hole 3061, the endoporus 3081 of this limit plug 308 and 303 of second largest footpath sections have a gap 309, in addition, these lock cell 300 tops more are provided with a push rod that can slide vertically 310, and push rod 310 tops are protruding is exposed to beyond the bar 10 for this.

Cooperate and to consult shown in Figure 5ly, this control unit 400 comprises one and is fixedly arranged on connecting rod piece 60 and that right-hand binder of handlebar 110 50, is articulated in a bar 10 with a pivot end 61 and is connected in cable 70 between the swinging end 62 of binder 50 and connecting rod piece 60.Protrusion 63 between these connecting rod piece 60 two ends can be for pressing down this push rod 310, this binder 50 and cable 70 are directly to take from existing brake accessory, especially as shown in Figure 7, the first end 11 of this bar 10 is installed with a beam ring 80, these beam ring 80 front sides are provided with a pivot ear 81 that can articulate for the pivot end 61 of connecting rod piece 60, rear side then is provided with the pole 82 in a tool line hole 821, make cable 70 can lead to cable-through hole 821 and be connected in the swinging end 62 of connecting rod piece 60, and this beam ring 80 and connecting rod piece 60 all can be hidden in seat cushion 160 inner and do not expose.

Energy storage of the present utility model unit 200 belongs to a kind of closed high pressure air system, and Fig. 3 shows seat cushion 160 convergence vehicle frames 100, and highly lower situation is convenient to get on and off and in response to emergency.And Figure 10 shows seat cushion 160 away from vehicle frame 100, the height condition with higher, make lower limb can full extension when pushes pedals 150 with performance efficient.Fig. 8 shows that seat cushion 160 is positioned at the situation of relaying height.The conversion of different seat cushion 160 height all can be finished under steam, and its adjustment mode and operating principle are described below:

Fig. 4 and Fig. 5 are that corresponding diagram 3 is drawn, the binder 50 of this control unit 400 does not move, and this lock cell 300 is positioned at primary importance, this valve block 304 is adjacent to limit plug 308 with gap 309 sealings because of the pushing tow of high pressure air, second seal ring 307 is with sealing between valve opening 213 and the second largest footpath section 303 simultaneously, cause first air flue 26 to be blocked, at this moment, this is first years old, two ballastings 24,25 become two independently hyperbaric chambers, and the piston head 30 of this energy storage unit 200 is positioned at the position near first end cap 21, and internally manage 20 mutually and produce locking condition, the rider can ride on the seat cushion 160 and travel with the low center of gravity height, and at this moment, this is first years old, two ballastings 24, total internal volume (V) of 25 is occupied less because of second ballasting 25 by piston rod 40, so pressure (P) is higher relatively, P * V is a definite value, determines according to the high pressure air loading.

Figure 11 is that corresponding Figure 10 draws, this lock cell 300 is positioned at primary importance equally, this is first years old, two ballastings 24,25 is not connected, be in to press close to second end cap 22 in this piston head 30 and make second ballasting, 25 internal volumes minimum with Fig. 4 difference, because of this piston rod 40 does not occupy internal volume, first, two ballastings 24, total internal volume of 25 (V ") maximum; thus pressure (P ") relatively low (P " * V "=P * V), the piston head 30 of this energy storage unit 200 is internally managed 20 equally mutually and is produced locking condition, the rider can ride on the seat cushion 160 and travel with the high center of gravity height, and the loading number of these energy storage unit 200 mesohigh air must be considered rider's body weight load range, total internal volume (parameters such as V ") and piston head 30 areas.

Fig. 9 is that corresponding diagram 8 is drawn, the binder 50 of this control unit 400 (figure does not show) is depressed, swinging end 62 relative pivot end 61 bottoms of cable 70 drop links sheets 60, make protrusion 63 press down push rod 310, this lock cell 300 is positioned at the second place by push rod 310 interlocks, this valve block 304 leaves limit plug 308 and gap 309 is opened, these second seal ring, 307 corresponding path sections 302 are not with valve opening 213 sealings, make the high pressure air can be through the gap 309, through hole 3061, valve opening 213 and pore 214 carry out forward or reverse circulation, promptly first air flue 26 is opened, at this moment, this is first years old, two ballastings 24,25 borrow first, two air flues 26,27 and interlayer air flue 23 and communicating with each other, make piston head 30 internally manage 20 mutually and produce movable state, when the rider lifts stern most body weight is placed on pedal 150 when (figure does not show), high pressure air can expand and release energy, originally overstocking can be through second air flue 27 in the high pressure air of second ballasting 25, interlayer air flue 23, first air flue 26 enters in first ballasting 24, promoting piston head 30 moves toward second end cap 22, that is to say, utilize high pressure air that the expansion step-down is arranged, the characteristic that releases energy, the trend that these piston head 30 permanent maintenances are moved towards second end cap 22, be that seat cushion 160 highly can be developed towards state shown in Figure 10 by state shown in Figure 3, and away from vehicle frame 100.On the contrary, when the rider presses down seat cushion 160 with body weight, high pressure air can be compressed and storing energy, high pressure air in first ballasting 24 can enter second ballasting 25 through first air flue 26, interlayer air flue 23, second air flue 27, promote piston head 30 and move toward first end cap 21, promptly seat cushion 160 height can reduce.As long as seat cushion 160 is adjusted to suitable height and loosens binder 50, this lock cell 300 can be replied primary importance because of the pushing tow of first ballasting, 24 mesohigh air.

Figure 12 is one second preferred embodiment of the present utility model, the rear end, vehicle frame 100 ' top of this bicycle is installed with an outer tube 170 ', can be for pipe 120 ' of clamping, be provided with as the energy storage unit 200 ' in above-mentioned first preferred embodiment in this seat pipe 120 ', this energy storage unit 200 ' is provided with a seat cushion 160 ', with more flexiblely in changing the relative height of seat pipe 120 ' with vehicle frame 100 '.

What deserves to be mentioned is that the necessary element of seat pipe 120 non-genus of the present utility model can be inverted this energy storage unit 200, promptly the first end 11 of seat bar 10 is directly fixed with vehicle frame 100, and seat cushion 160 is fixed in the outer end 42 of piston rod 40.Though lock cell 300 of the present utility model adopts the valve rod kenel, but also available other modes, and for example present pipe 120 and 10 on bar of seat are established the tenon device.

Conclude above-mentioned, the utility model can be adjusted bench height in travelling bicycle has the effect of processing ease, and when controlling this control unit 400, utilization is the expansion step-down that has of high pressure air itself, the characteristic that releases energy, and can make seat cushion 160 away from vehicle frame 100.When the weight of rider's utilization own pressed down seat cushion 160 convergence vehicle frames 100, high pressure air can be compressed and storing energy, can reach its intended purposes really.

Claims (5)

1. the bicycle that can adjust bench height in travelling is characterized in that: comprise:

One vehicle frame, its top front and back ends is respectively equipped with a handlebar and a seat cushion, and a forward and backward fork of its below is pivoted with a front-wheel and a trailing wheel respectively, and pair of pedals is to be linked to this vehicle frame below;

One energy storage unit, include: one has first, the seat bar of two ends and central axis hole, the one coaxial interior pipe that is fixedly arranged in this bar, should be installed with first airtightly in interior pipe two ends, two end caps, one airtightly slip cap be located in this piston head in pipe cooperate this first, two end caps are separated into first vertically with interior pipe, two ballastings, one piston rod is fixed in this piston head and passes pipe and this bar in this with an outer end via this second ballasting with an inner end, with high pressure air be filled in this first, in two ballastings, this is first years old, two end caps are respectively adjacent to first of a bar, two ends, also have an interlayer air flue that extends vertically between this bar and this interior pipe, these interlayer air flue two ends by this first, the sealing of two end caps, should be provided with this first ballasting of communication and first air flue of this interlayer air flue and second air flue of linking up this second ballasting and this interlayer air flue by interior pipe, this energy storage unit is fixed between vehicle frame and the seat cushion with the first end of this bar and the outer end of this piston rod, the trend that the permanent maintenance of this piston head is moved towards this second end cap;

One lock cell and one is controlled the control unit of this lock cell, and this lock cell is in the primary importance place the relative vehicle frame of this seat cushion is formed locking condition, and this lock cell is in second place place the relative vehicle frame of this seat cushion is removed locking formation sliding mode.

2. the bicycle that can in travelling, adjust bench height as claimed in claim 1, it is characterized in that: this rear end, vehicle frame top is provided with a pipe, the first end and the seat cushion of this bar are affixed, the second end of this bar is that slip cap is connected in this pipe, and the outer end of this piston rod is to be fixed in this pipe lower end.

3. the bicycle that can adjust bench height in travelling as claimed in claim 2 is characterized in that: this rear end, vehicle frame top is installed with an outer tube, this seat pipe of this outer tube clamping.

4. the bicycle that can in travelling, adjust bench height as claimed in claim 1, it is characterized in that: this lock cell comprises a slip cap at least and is located at valve rod in the central valve opening of this first end cap, in this primary importance place, this valve rod should produce locking condition by interior pipe relatively with this first air flue blocking-up and this piston head, in this second place place, this valve rod is internally managed the generation sliding mode mutually with this first airway open and this piston head.

5. the bicycle that can in travelling, adjust bench height as claimed in claim 4, it is characterized in that: this valve rod top also is provided with a push rod that slides vertically, this push rod top is protruding to be exposed at beyond this bar, this control unit comprises the cable between the swinging end that connecting rod piece and that a binder that is fixedly arranged on this handlebar, is articulated in this bar with a pivot end is connected in this binder and this connecting rod piece, be provided with a protrusion between these connecting rod piece two ends, this protrusion presses down this push rod.

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