KR101521347B1 - bike for board both seat and carrier - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle having a seat board, and a seat board for moving forward or rearward about a seat tube supporting the seat is installed in a frame, and can be used as an auxiliary seat or a bed A bicycle board is disclosed in which the auxiliary saddle and the carrier are used together. Therefore, the movable plate can be slid as needed to switch to the auxiliary saddle or the load carrier, which is convenient to use.

Description

[0001] The present invention relates to a bicycle board for use with a saddle-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bicycle board which is used as a saddle and a load carrier, and more particularly to a bicycle comprising a seat tube supporting a saddle and a movable plate sliding toward the front wheel and the rear wheel, The present invention relates to a bicycle board in which an auxiliary saddle or a load carrier can be used by being converted into an auxiliary saddle or a load carrier.

In recent years, various types of exercise have been carried out in order to train the body as the leisure activity becomes active. Among them, exercise such as bicycle riding develops cardiopulmonary function like other aerobic exercise such as walking and running, and is interesting compared to other exercises, so it can be switched on while performing physical activities for health, and is attracting many people .

In particular, bike exercise not only improves the physical fitness of people with weak muscles in the lower legs, those who are not good at joints or backs, people with osteoporosis, but also consumes a lot of calories, so people who are obese can also do without putting strain on their ankles or knees. It is an effective exercise that can be carried out regardless of anger or young.

Such a bicycle is generally composed of a front wheel and a rear wheel which are made up of rim and tire, a frame which connects the front wheel and the rear wheel to each other, a power transmitting part supported by the frame and including a pedal transmitting the driving force to the rear wheel, And a brake for braking the running bicycle and a saddle for the driver to sit on the frame.

A general bicycle having the above structure is operated by rotating the pedal while holding the handle with both hands in a state where the driver is sitting on the saddle, and when the direction is changed during traveling, the direction of travel of the bicycle is changed by operating the handle to the left and right .

In addition, when deceleration and braking are required during bike travel, the brake lever provided on the handle is operated to operate the brake shoe provided on the front wheel and the rear wheel, respectively, so that the rotation of each wheel is decelerated to brak the bicycle.

On the other hand, in the frame of the bicycle, a saddle is installed on the upper part of the rear wheel as necessary, or an auxiliary saddle is installed so that a passenger other than the bicycle driver can sit.

However, as described above, it is inconvenient that the bicycle in which the load carrier and the auxiliary saddle are installed is difficult to separate between the load carrier and the auxiliary saddle.

In recent years, the weight of the frame and the main parts of the bicycle has been reduced to reduce the overall weight of the bicycle in order to improve the transportation and activity. However, when the above-described loader and auxiliary saddle are installed together, the weight of the bicycle increases. .

Further, when the rider and the auxiliary saddle are respectively installed on the bicycle, the installation cost is increased, and the auxiliary saddle is installed between the handle and the saddle, and the rider is installed on the upper part of the rear wheel, There is an inconvenience such as being caught by the auxiliary saddle or the load carrier.

Particularly, when an auxiliary saddle is provided between the handle and the saddle, the driver has to step on the pedal while spreading the legs outward when operating the pedal.

In addition, a locking device is used to prevent theft when the bicycle is stored. Such a locking device is provided separately from the bicycle so that the frame, the rear wheel or the front wheel are integrally bound to each other to prevent the wheel from rotating, So that the bicycle can be prevented from moving. Therefore, there is an inconvenience that the locking device must always be carried to prevent the bicycle from being stolen.

Korean Registered Utility Model No. 20-0438145 (2008.01.17)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a seat board that moves forward or backward around a seat tube supporting a saddle, The present invention provides a bicycle board in which the auxiliary saddle and the carrier are combined.

It is another object of the present invention to provide a bicycle board in which a locking device for preventing theft of a bicycle is installed on a seat board so that a driver does not need to carry a locking device and an auxiliary saddle and a carrier are easy to use.

According to an aspect of the present invention, there is provided a bicycle comprising a frame provided with a front wheel and a rear wheel of a bicycle, a stationary plate fixed to a seat tube which is integrally formed with the frame and supports a saddle on which a driver sits, And a movable plate formed with a slide groove on which the stationary plate is placed and sliding toward the front wheel or the rear wheel about the stationary plate.

Here, the fixing plate includes a support portion that is seated on the upper surface of the frame and has a through hole through which the seat tube passes, a seat tube retaining ring formed on the through hole of the support portion to surround and fix the periphery of the seat tube, And a frame fixing ring which is formed on the lower surface of the frame and surrounds and fixes the periphery of the frame.

In addition, it is preferable that an installation groove conforming to the top surface of the frame is formed on the bottom surface of the support portion.

In addition, it is preferable that guide protrusions projecting laterally are formed on both side surfaces of the support portion, and guide slots are formed in the slide grooves of the guide plate corresponding to the guide protrusions.

Preferably, the movable plate includes a base member having a slide groove on which a fixing plate is mounted, and an operation slot extending in the same direction as the slide groove on the upper surface of the base member and passing through the seat tube fixing ring Do.

The base plate may further include a movable plate holding ring formed on a lower surface of the base member for holding and fixing the periphery of the frame.

The base member may further include a cushion member surrounding the outer surface of the base member.

Preferably, the base member is provided with a locking unit for winding wires, and the wire of the locking unit is engaged with a rear wheel provided on the frame.

The locking unit includes a spool that is installed in a locking case provided inside the base member and that winds a wire formed with a latch, a spring that is installed inside the locking case and provides a rotational force to rotate the spool in one direction And a lock installed on the base member at a position opposite to the locking case, wherein the lock is locked or unlocked.

It is preferable that the stopper includes a stopper for stopping movement of the movable plate sliding on one side or the other side with respect to the fixed plate.

The stopper may include a stationary pin extending through the movable plate and inserted into a row of insertion holes formed in the stationary plate, a storage housing formed on the movable plate so that the stationary pin can move linearly toward the stationary plate, And an elastic member provided with a locking step around the fixing pin and interposed between the locking step and the housing housing to provide an elastic force such that the fixing pin faces the insertion hole.

According to the bicycle board of the present invention, the movable plate is slid toward the front wheel or the rear wheel about the fixed plate fixed to the frame and the seat tube, so that the movable plate can be moved to the auxiliary saddle or the load- It is not necessary to install a separate saddle or platform on the bicycle.

Further, the locking unit is provided on the movable plate, the wire is taken out from the locking unit to prevent the bicycle from being stolen, or the load on the movable plate can be bundled so as not to fall off, Therefore, when the wire is not used, the wire is not exposed to the outside, so that the bicycle can have a beautiful design.

1 is a perspective view showing a board for a bicycle in which an auxiliary saddle and a carrier are used together according to the present invention.
2 is an exploded perspective view of a bicycle board according to the present invention.
3 is a cross-sectional view of the bicycle board viewed from the rear.
Figs. 4 and 5 are operational state diagrams showing the movement of the movable plate about the fixed plate. Fig.
Figs. 6 and 7 are operational state diagrams showing the switching of the auxiliary saddle and the carrier. Fig.
8 is a side view showing another embodiment for fixing the movable plate.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor may properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a board for a bicycle in which an auxiliary saddle and a carrier are used together according to the present invention, and FIG. 2 is an exploded perspective view showing the board for a bicycle according to the present invention. 3 is a cross-sectional view of the bicycle board viewed from the rear.

The bicycle board according to the present invention includes a fixed plate 100 fixed to a frame 10 and a seat tube 20 and a fixed plate 100 mounted on the fixed plate 100 to be slid into an auxiliary saddle or platform The movable plate 200 is used as an auxiliary saddle as the movable plate 200 slides to one side about the fixed plate 100 and the movable plate 200 is switched to the load as the movable plate 200 slides to the other side. .

The bicycle is integrally formed with the frame 10 in which the front wheel 40 and the rear wheel 50 made of rim and tires and the front wheel 40 and the rear wheel 50 are installed and the saddle 30 A power transmission portion including a seat tube 20 for supporting and a pedal 60 for transmitting a driving force to the rear wheels by a driver's foot cloud, a handle 70 for adjusting the direction of the front wheel 40, . At this time, the upper end of the seat tube 20 is hollowed and the seat stem 31 formed at the lower part of the saddle 30 is inserted to support the saddle 30.

Particularly, in the bicycle board according to the present invention, the frame 10 and the seat tube 20 are provided with the fixed frame 10, and the movable plate 200 is used as an auxiliary saddle by sliding the movable plate 200 toward the front wheel 40 Or slide toward the rear wheel (50) to be used as a load carrier.

The stationary plate 100 installed on the frame 10 and the seat tube 20 is supported on the upper surface of the frame 10 and has a support 110 formed with a through hole 112 through which the seat tube 20 passes, A seat tube fixing ring 120 which is formed on the through hole 112 of the supporting part 110 and surrounds the seat tube 20 to fix the seat tube 20 and a support tube 110, And a frame fixing ring 130 for wrapping and fixing.

That is, the seat tube fixing ring 120 and the frame fixing ring 130 for fixing the seat tube 20 and the frame 10 to the upper surface and the lower surface are provided on the support 110, The frame fixing ring 120 and the frame fixing ring 130 have a hollow cylindrical shape, and one side is opened and a bent piece facing outward is formed in the opened portion.

After the bolts and nuts are passed through the bending piece and the seat tube fixing ring 120 and the frame fixing ring 130 are installed so as to surround the seat tube 20 and the frame 10 respectively, The seat tube fixing ring 120 and the frame fixing ring 130 push the outer surface of the seat tube 20 and the frame 10 respectively and fix the fixing plate 100 in a non-moving manner according to the binding of the bolts and the nuts .

The seat tube fixing ring 120 and the frame fixing ring 130 are made of a material excellent in corrosion resistance and strength because they are exposed to the outside. For example, the seat tube fixing ring 120 and the frame fixing ring 130 are preferably made of a material such as an aluminum alloy, high-strength plastic, or the like.

In addition, an installation groove 114 is formed on a lower surface of the support portion 110. The holding groove 114 maximizes a contact area between the frame 10 and the supporting part 110 and allows the supporting part 110 to be easily positioned on the frame 10, An anchor groove 114 is formed. In other words, as shown in FIG. 1, when the frame 10 has a cylindrical shape, an installation groove 114 having a semicircular shape is formed on the lower surface of the support 110 so as to have a shape conforming to the external shape of the frame.

When the support portion 110 is mounted on the frame 10, the mounting groove 114 formed on the lower surface of the support portion 110 is fitted on the upper portion of the frame 10, so that the contact between the frame 10 and the support portion 110 The area is increased to prevent the supporting portion 110 from being detached from the frame 10. [

On the other hand, the movable plate 200 is installed on the upper portion of the fixed plate 100 provided on the frame 10 and the seat tube 20 of the bicycle. The movable plate 200 includes a base member 210 having a slide groove 212 in which a fixing plate 100 is mounted and a base member 210 extending in the same direction as the slide groove 212 on the upper surface of the base member 210 And an operating slot 216 through which the seat tube retaining ring 120 passes.

At this time, the cushion member 220 may be further provided on the outer surface of the base member 210 so that there is no inconvenience when a passenger other than the driver is seated on the movable plate. For example, the cushion member 220 may be a sponge, rubber, silicone, synthetic resin, or the like.

As shown in FIG. 1 or 2, the concave and convex protrusions 222 may be formed on the upper surface of the cushion member 220 to prevent slippage, (Toward the rear wheel) of the cushion member about the operation slot 216 or on the upper surface of the other side (toward the front wheel) of the cushion member.

A protrusion 221 protruding upward may be formed at the tip of the cushion member 220. When the movable plate 200 is used as an auxiliary saddle, the protruding portion 221 is positioned between the legs of the occupant so that the occupant does not slip toward the front wheel due to sudden braking or the like, .

The width of the slide groove 212 formed in the base member 210 in which the fixed plate 100 is embedded is equal to or greater than the width of the fixed plate 100 as shown in the arc of FIG. And the length of the slide groove 212 is longer than the length of the fixed plate 100. [

When the fixed plate 100 is placed in the slide groove 212 of the base member 210, the movable plate 200 slides on the front wheel or the rear wheel of the bicycle around the fixed plate 100, .

4 and 5, when the movable plate 200 slides toward the front wheel 40, the movable plate 200 is attached to the frame 10 between the saddle 30 and the handle 70 When the movable plate 200 is slid toward the rear wheel 50, the movable plate 200 is moved to the upper side of the rear wheel 50, So that it can be used as a load carrier in which a cargo or the like can be loaded.

Guide slots 214 are formed on both sides of the slide groove 212 in a direction in which the movable plate 200 slides and guide projections 116 are formed on both sides of the fixed plate 100 in correspondence with the guide slots 214. [ And guide the movable plate 200 when the movable plate 200 slides to one side or the other side with the fixed plate 100 as a center.

As shown in FIG. 2, the guide protrusions 116 formed on both sides of the stationary plate 100 may have a structure in which one side and the other side of the stationary plate 100 are connected in a straight line, A plurality of openings may be formed in the guide slots 214 of the movable plate 200 at regular intervals.

When the movable plate 200 slides toward the front wheel 40 or the rear wheel 50 with the fixed plate 100 as a center, the sliding of the movable plate 200 is performed so that the movable plate 200 does not arbitrarily slide. A stopper 240 for restricting the stopper 240 is provided.

That is, the stopper 240 is composed of the fixing pin 241, the housing housing 242, and the elastic member 243 as shown in the arc of FIG. The fixing pin 241 has the shape of a cylinder and the tip end of the fixing pin 241 passes through the movable plate 200 and is inserted into the insertion hole 111 formed in the fixing plate 100. The base end of the fixing pin 241, Protrudes out of the housing 200 and is gripped by the driver.

The insertion hole 111 formed in the fixing plate 100 into which the tip of the fixing pin 241 is inserted is arranged in a line along the direction in which the movable plate 200 is slid to slide the movable plate 200 in a proper position The fixing pin 241 is inserted into the corresponding insertion hole 111. In this case,

The movable plate 200 is also provided with a housing housing 242 so that the stationary pin 241 can move smoothly toward the stationary plate 100 when the stationary pin 241 is installed to penetrate the movable plate 200. [ .

An elastic member such as a coil spring (not shown) is inserted into the receiving housing 242 so that the fixing pin 241 can always be moved toward the insertion hole 111 of the fixing plate 100 when no external force is applied to the fixing pin 241 243 are installed. At this time, the elastic member 243 is interposed between the holding jaw 241a formed around the fixing pin 241 and the housing housing 242. [

With this structure, unless the driver pushes the base end of the fixing pin 241 protruding out of the movable plate 200, the tip of the fixing pin 241 faces the insertion hole 111 of the fixing plate 100 The elastic member 243 provides an elastic force.

Therefore, in order to use the movable plate 200 as an auxiliary saddle or platform, the driver pulls the fixing pin 241 outward to release the tip of the fixing pin 241 from the insertion hole 111, Is slid to one side or the other side as needed to switch to the auxiliary saddle or platform.

In this state, when the driver releases the fixing pin 241, the fixing pin 241 is inserted into the fixing pin 241 of the insertion hole 111 arranged in a row by the elastic force exerted by the elastic member 243 The movable plate 200 is inserted into the insertion hole 111 having the same axis and is fixed so as not to move.

Meanwhile, the movable plate 200 is provided with a locking unit 230 so that the rear wheel 50 of the bicycle can be restrained when the driver stands up for a short period of time without riding the bicycle or is bound to the structure provided at the place where the bicycle is erected, Theft will be prevented.

That is, the locking unit 230 includes a locking case 236 embedded in the base member 210 of the movable plate 200, a spool 232 rotatably installed in the locking case 236, a spool 232 A wire 231 wound around the spool 232 and a spring 233 providing a rotational force to rotate the spool 232 in one direction and a lock 235 installed at the base member 210 at a position facing the spool 232 ).

The locking case 236 is embedded in the base end side of the base member 210 facing the protruding portion 221 of the cushion member 220 and the inside thereof is hollow so that the spool 232 is installed. The spool 232 is rotatably installed inside the locking case 236. One end of the spool 232 is provided with a spool 233 so that the spool 232 can be engaged with the spool 232, The spool 232 rotates in one direction.

One end of the wire 231 is fixed to the spool 232 and the other end of the wire 231 is fixed to the spool 232. The wire 231 is wound on the spool 232, (234) are formed. A lock 235 is provided on the base member 210 at a position opposite to the lock case 236 in which the spool 232 is installed.

At this time, the wire 231 passes through the rim of the rear wheel 50 of the bicycle so that the lock 235 installed on the base member 210 has a length enough for the latch 234 to be filled.

6 and 7, the wire 231 is drawn out from the spool 232 installed on the movable plate 200 when the bicycle is stored for a long time or stolen frequently, 231 are passed through the rim of the rear wheel 50 and then the latches 234 provided on the wires 231 are fastened to the locks 235 provided on the base member 210 facing the spools 232, (50).

When the lock 235 is unlocked in the above state, the lock 235 is separated from the lock 235 by using the key, and the wire 231 including the separated lock 234 is separated from the spool 232, The wire 231 is wound on the spool 232 and is drawn into the movable plate 200 by the spring 233 installed on the spool 232 so that the wire 231 can be kept out of sight.

At this time, the wire 231 is coupled to the rear wheel 50 so as to prevent the bicycle from being stolen, and the cargo is transferred to the movable plate 200 when the cargo is loaded on the upper surface of the movable plate 200 slid toward the rear wheel 50. [ It is also possible to bundle and fix it with a wire 231 so as not to fall off.

The bicycle board in which the auxiliary saddle and the load carrier are used according to the present invention slides the movable plate 200 toward the front wheel 40 to form an auxiliary saddle capable of occupying the occupant in addition to the driver, 200) to the rear wheel (50), it is possible to use the cargo as a loadable carrier, which is convenient to use.

It is also possible to prevent the bicycle from being stolen by pulling out the wire 231 from the locking unit 230 installed in the movable plate 200 to bind the rear wheel 50 of the bicycle, The wire 231 is drawn into the movable plate 200 and is not exposed to the outside, so that the bicycle can have a beautiful design.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

For example, the movable plate 200 may further include a movable plate fixing ring 250 fixed to the frame 10 on the base member 210 so as not to slide arbitrarily. This will be described with reference to FIG.

8 is a side view showing another embodiment for fixing the movable plate. Referring to the drawings, a movable plate fixing ring 250 is formed on a lower surface of a base member 210 to surround and fix the periphery of the frame 10.

The movable plate fixing ring 250 has a hollow cylindrical shape so as to surround the periphery of the frame 10 like the frame fixing ring 130 provided on the fixing plate 100, The bent piece is formed.

In addition, bolts and nuts are assembled through the bending pieces so that the movable plate fixing ring 250 presses the outer surface of the frame 10 according to the binding of the bolts and the nuts to prevent the movable plate 200 from sliding arbitrarily. can do.

10: frame 20: seat tube
30: Saddle 40: Front wheel
50: Rear wheel 60: Pedal
70: Handle 100: Fixing plate
110: Support part 112: Through hole
114: anchoring groove 116: guide projection
120: seat tube retaining ring 130: frame retaining ring
200: movable plate 210: base member
212: Slide groove 214: Guide slot
216: operative slot 220: cushion member
221: protrusion 222: concave / convex
230: locking unit 231: wire
232: spool 233: spring loaded
234: Clasp 235: Lock
236: Locking case 240: Stopper
241: Fixing pin 241a:
242: storage housing 243: elastic member
250: movable plate holding ring

Claims (11)

A frame provided with a front wheel and a rear wheel of a bicycle, a fixing plate integrally formed with the frame and fixed to a seat tube supporting a saddle on which a driver sits; And
And a movable plate having a slide groove on which the stationary plate is placed and sliding toward the front wheel or the rear wheel about the stationary plate,
The fixing plate includes:
A support portion that is seated on an upper surface of the frame and has a through hole through which the seat tube passes;
A seat tube retaining ring formed on the through hole of the support portion to surround and fix the periphery of the seat tube; And
And a frame fixing ring formed on a lower surface of the support portion and surrounding and fixing the periphery of the frame.
delete The method according to claim 1,
Wherein a support groove is formed on a bottom surface of the support portion to conform to the top surface of the frame.
The method according to claim 1,
Wherein a guide protrusion protruding sideways is formed on both sides of the support portion and a guide slot is formed in a slide groove of the movable plate corresponding to the guide protrusion.
The method according to claim 1,
Wherein the movable plate comprises:
A base member having a sliding groove in which a fixing plate is mounted; And
And an operation slot extending in the same direction as the slide groove on an upper surface of the base member and through which the seat tube fixing ring passes.
The method of claim 5,
And a movable plate fixing ring formed on a lower surface of the base member to surround and fix the periphery of the frame.
The method of claim 5,
Wherein the base member further comprises a cushion member surrounding the outer surface of the base member.
The method of claim 5,
Wherein the base member is provided with a locking unit for winding wires, and a wire of the locking unit is engaged with a rear wheel installed on the frame.
The method of claim 8,
The locking unit includes:
A spool that is installed in a locking case provided inside the base member and that winds a wire having a latch;
A spring disposed inside the locking case and providing a rotational force to allow the spool to rotate in one direction; And
And a lock provided on the base member at a position opposite to the locking case, wherein the lock is locked or unlocked.
The method according to claim 1,
And a stopper for controlling the movement of the movable plate sliding on one side or the other side with respect to the fixed plate.
The method of claim 10,
The stopper
A fixing pin passing through the movable plate and inserted in a row of insertion holes formed in the fixing plate;
A storage housing formed on the movable plate so that the fixed pin can move linearly toward the fixed plate; And
And an elastic member having a locking protrusion formed on the periphery of the fixing pin and interposed between the locking protrusion and the housing housing to provide an elastic force such that the fixing pin faces the insertion hole. Bicycle board.

Images