CN87203785U - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN87203785U CN87203785U CN 87203785 CN87203785U CN87203785U CN 87203785 U CN87203785 U CN 87203785U CN 87203785 CN87203785 CN 87203785 CN 87203785 U CN87203785 U CN 87203785U CN 87203785 U CN87203785 U CN 87203785U
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- CN
- China
- Prior art keywords
- folding bicycle
- joint
- folding
- bicycle according
- handgrip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Abstract
The utility model discloses a folding bicycle whose vehicle body can be folded and overlapped. The movable handles of a headstock can be lowered and folded along the both sides of a front wheel, and a vehicle seat which can be lifted highly and placed low momentarily is provided with a switch. The utility model has the advantages of simple device, high reliability, easy fabrication, low cost, speediness and convenience, small size, shapely configuration and convenience for carrying. The folding bicycle is about 0.55*0.21*0.45 m after being folded, and various wheels can be used. The performance surface is wide, adults and children all can ride the folding bicycle which is especially suitable to be used by students, tourists, users live in high-rise buildings and the users whose housing conditions are nervous. The folding bicycle is favorable for riding, sitting and transporting a luggage after being folded and turned.
Description
The utility model is a kind of folding bicycle.
At present, folding bicycle vehicle body folded part great majority adopt modes such as bolt, set pin, pawl to lock in the prior art, and headstock adopts rotation or bolt locking, vehicle seat bolt locking commonly used, and foot-operated axis is for being threaded.This folded bicycle locking trouble is used inconvenience, and volume after folding is big, and accuracy of manufacture requires high, increases productive costs.
Task of the present utility model provides and a kind ofly can make body linkage, headstock handgrip, vehicle seat folding, and folding is quick and convenient, safe and reliable, simple in structure, the folding little folding bicycle of volume.
Folding bicycle of the present utility model partly is made up of headstock part, body portion, vehicle seat part, running part, brake portion, front and back wheel part etc.Its purpose is to realize in the following manner, and the folding mode of body linkage is to adopt joint, also can adopt button joint or circular shaft formula joint or spiral joint.The headstock handgrip adopts is sidelong formula activity handgrip, can place folding respectively along the front-wheel both sides.Vehicle seat adopts telescopic vehicle seat, can arbitrarily freely draw up, put down.The foot-operated plug-in type that adopts is foot-operated, takes out when making things convenient for folding.
The utility model, its structural principle can illustrate with the following drawings:
Fig. 1 is folding bicycle and folding scheme drawing.
Fig. 2 is a movable lug formula joint design schematic diagram, and wherein Fig. 2 A is for carving compact form, and Fig. 2 B is a swelled.
Fig. 3 is a button joint design schematic diagram.
Fig. 4 is a circular shaft formula joint design schematic diagram.
Fig. 5 is spiral joint design schematic diagram.
Fig. 6 is for being sidelong formula activity handgrip, and wherein Fig. 6 C is the pull bar latching device, and Fig. 6 D is the contiguous block latching device.
Fig. 7 is telescopic vehicle seat, is hook in Fig. 7 E switch enclosure wherein, is the top pawl in Fig. 7 F switch enclosure.
Fig. 1 is folding bicycle and folding scheme drawing.The appropriate location of body linkage (6) is equipped with joint (13), make front-wheel (1) but the rotation of solderless wrapped connection hinge overlaps with trailing wheel (16) doubling.After sweep was opened voluntarily, joint can be locked body linkage.When being sidelong formula activity handgrip (5) folding, can put down along the front-wheel both sides respectively headstock around bearing pin (3) rotation on the fixed support (4) that links with front fork (2).The expansion link (11) that vehicle seat (12) links below can with spider (7) bonded assembly telescopic (8) in upwards freely extract out, blocked automatically by the pawl in the switch enclosure (9), can not slide, can ride seat.During folding, press, vehicle seat is put down by latch spoon (10).The axis of foot-operated (15) is a cylindrical bar, freely inserts in the central axis hole of pin handle (14), in case of necessity, can take out.
Fig. 2 is a movable lug formula joint.Two connecting rods (3), (4) that a connecting rod (1) of connection headstock is connected spider are clipped in the middle, and connect with bearing pin (2), make three connecting rods self become hinge.Fixing a movable lug cover (6) between connecting rod (3) and the connecting rod (4), is the bevelled movable lug in top (9) in the cover, movable lug the cover in along pitman shaft to being free to slide, the movable lug cross section can be circle or arbitrary shape such as semicircle, rectangle.Pressure spring (10) control movable lug pressure is arranged between movable lug and the adjusting wire cover (11).Handle (7) is connected with movable lug.With handle past post-tensioning in groove (8), can be the body linkage doubling.During use, body linkage pulled directly run into block (12), movable lug inserts under action of the spring in connecting rod (1) the end face pit (5) automatically, and the locking body linkage can not be rocked.
Body linkage (1), (6) also can connect with hinge (7) in addition, (seeing shown in Fig. 2 A and Fig. 2 B), connecting rod (1) end is connected and fixed support (2), and connecting rod (6) end connects tongue cover (9), and movable lug (3) radially is free to slide in cover at spring (8) effect lower edge connecting rod.Also can utilize the pressure of handle (10) that movable lug further is inserted into fixed support (seeing shown in Fig. 2 A), the inclined-plane of movable lug (4) lock connecting rod, and handle snaps in the chuck (5) and clamps simultaneously, avoid vibrations that joint is got loose.Also can utilize the rotation of elliptical shaft in the middle of the joint (or semicircle axle, eccentric shaft) (11) and tensioner joint (seeing shown in Fig. 2 B), the locking body linkage.
Fig. 3 is the button joint.Body linkage (1), (4) connect with hinge (2), and connecting rod can rotate around hinge pin (3).Two link ends are connected and fixed support (8), (9) respectively, go up at fixed support (8) to be connected with the handle that is installed with knot that can be undone by a pull (10) (5) with bearing pin (7).Turning handle is enclosed within knot that can be undone by a pull on the fixed support (9), the backward rotation handle, and knot that can be undone by a pull can be locked body linkage.Handle can snap in chuck (6) and clamp.
Fig. 4 is a circular shaft formula joint.Body linkage (1), (3) connect with hinge (2).Two link ends are connected and fixed support (6), (7) respectively, on fixed support (6), be equipped with and the reeded circular shaft in handle (4) bonded assembly middle part (or eccentric shaft, semicircle axle) (5), turning handle (4) makes circular shaft rotation and interlock fixed support (7) can be locked body linkage.
Fig. 5 is spiral joint.Body linkage (1), (5) connect with hinge (2).The outer sleeve (6) that has handle (7) entangles nipple (3), (4).Nipple (3) step (8) medial surface (9) is gradient, and end face has two above breach (11).Body linkage is pulled directly, and nipple (3) step stretches into from the cooresponding indentation, there of outer sleeve, and the rotary sleeve tube entangles two nipples, and utilizes the gradient of nipple (3) step medial surface and lock body linkage.
Fig. 6 is sidelong formula activity handgrip.Movable handgrip (1) is connected with fixed support (4) with bearing pin (2), and two movable handgrips can rotate around bearing pin and place the front-wheel both sides.Two movable handgrips can be blocked by the pawl (5) under spring (8) effect in pull bar (6) the hook end insertion switch enclosure (7) with pull bar latching device locking (seeing shown in Fig. 6 C).Two movable handgrips or with contiguous block latching device locking (seeing shown in Fig. 6 D), the intrinsic contiguous block (9) that has hole (5) of movable handgrip, can insert in the dead slot (8) of fixed support (4), latch (6) inserts from support bracket fastened pin-and-hole (7) can locking activity handgrip in the contiguous block hole.(3) be rubber sheet gasket.
Fig. 7 is telescopic vehicle seat.Plural hole (or square hole or circular hole or through hole or blind hole) (2) is arranged on the expansion link (1), expansion link can random freedom upwards be drawn to the use height in telescopic (9), be connected with bearing pin (4) with pawl (3) in the switch enclosure (7), under the effect of spring (6), stretch out (5) in hole from telescopic, automatically block the hole on the expansion link, vehicle seat can not slide, and guarantees to ride seat.Pawl in the switch enclosure can be with hook (seeing shown in Fig. 7 E), and latch spoon up.Also available top pawl (seeing shown in Fig. 7 F), latch spoon down.Latch spoon also can be towards other direction.During folding, press, can at any time vehicle seat be put down by latch spoon.(10) be pad.
The utility model has the advantage of that vehicle body is collapsible, also can be with the headstock movable hand folding, the vehicle seat folding, the foot-operated taking-up reduces folding volume greatly. With 14 inch wheels, after the folding volume be about long 0.55 meter * wide 0.21 meter * high 0.45 meter; With 20 inch wheels, after the folding volume be about long 0.7 meter * wide 0.22 meter * high 0.55 meter. The wheel of available other specification also. It is light and handy that it is handsome in appearance, folding or pull open fast and easy (can finish folding in half a minute, pull open), flexibly folding, center of gravity is low, and is safe and reliable, is the good light vehicles of people, being particularly suitable for numerous students goes to school and uses and the traveller carries, rides and sits and take running package, the people of also being convenient to skyscraper after the bicycle folding are taken, take down, at the bottom of the people of being convenient to acute housing shortage are concealed in car bed, the table end, side seam, do not affect beautifying of house. The utility model folding structure is simple, compact, and cost is low, makes easily, need not special equipment.
Claims (10)
1, a kind of folding bicycle, have parts such as headstock part, body portion, vehicle seat part, running part, brake portion, front and back wheel, it is characterized in that described body portion folding device is a joint, the handgrip of headstock part is the formula of the being sidelong activity handgrip that can put down along the front-wheel both sides, vehicle seat partly be can be arbitrarily up and down telescopic vehicle seat.
2, folding bicycle according to claim 1, the joint that it is characterized in that the body portion folding device are movable lug formula joints, or the button joint, or circular shaft formula joint, or spiral joint.
3, folding bicycle according to claim 2 is characterized in that fixedly formed by tongue cover, the interior slip movable lug of cover, pressure spring by vehicle body hinge, body linkage for movable lug formula joint.
4, folding bicycle according to claim 2 is characterized in that the button joint is by vehicle body hinge, body linkage fixed support, free handle, formed with handle bonded assembly knot that can be undone by a pull.
5, folding bicycle according to claim 2 is characterized in that circular shaft formula joint is made up of vehicle body hinge, body linkage fixed support, band groove circular shaft or eccentric shaft.
6, folding bicycle according to claim 2 is characterized in that spiral joint is by the vehicle body hinge, formed with body linkage bonded assembly nipple, the outer sleeve that entangles nipple.
7, folding bicycle according to claim 1 is characterized in that being sidelong formula activity handgrip and is made up of movable handgrip, headstock fixed support, pull bar latching device or contiguous block latching device.
8, folding bicycle according to claim 7 is characterized in that the pull bar latching device is by being formed by the pawl under the action of the spring with another root handgrip bonded assembly active pull rod in the switch enclosure that is fixed on the handgrip.
9, folding bicycle according to claim 7 is characterized in that the contiguous block latching device is made up of handgrip contiguous block, movable latch, fixed support pin-and-hole.
10, folding bicycle according to claim 1 is characterized in that telescopic vehicle seat is by with body linkage bonded assembly expansion link cover, formed by the pawl under the action of the spring, porous expansion link with expansion link cover bonded assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87203785 CN87203785U (en) | 1987-03-13 | 1987-03-13 | Folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87203785 CN87203785U (en) | 1987-03-13 | 1987-03-13 | Folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87203785U true CN87203785U (en) | 1988-03-02 |
Family
ID=4819737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87203785 Ceased CN87203785U (en) | 1987-03-13 | 1987-03-13 | Folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87203785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466024A (en) * | 2013-07-09 | 2013-12-25 | 天津富士达集团有限公司 | Portable bicycle capable of being folded for multiple times |
-
1987
- 1987-03-13 CN CN 87203785 patent/CN87203785U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466024A (en) * | 2013-07-09 | 2013-12-25 | 天津富士达集团有限公司 | Portable bicycle capable of being folded for multiple times |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |