CN2469940Y

CN2469940Y - Improved spring single stilt

Info

Publication number: CN2469940Y
Application number: CN 01208094
Authority: CN
Inventors: 简肇泳
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-22
Filing date: 2001-03-22
Publication date: 2002-01-09
Anticipated expiration: 2011-03-22

Abstract

The utility model discloses an improved spring single stilt, which comprises one or two expanding vertical sticks arranged in parallel, grips fixed on the upper ends of the vertical sticks and a bounce unit and a pedal fixed on the lower ends thereof. The bounce unit is composed of a cylinder body, a main spring, a sliding sleeve and an expanding rod; the upper part of the sliding sleeve is provided with a Phi-shaped threading hole, and the bottom face thereof is provided with a semicircle groove; the lower part of the sliding sleeve has a round threading hole and an alcove, a small spring is arranged in the alcove; the upper end of the expanding rod is threaded with a lateral bolt. The structure can make the lateral shrink to the cylinder body and the main spring, then the whole size can be contracted to the minimum for facilitating packaging, transportation and collection.

Description

The modified pogo stick

The utility model relates to a kind of pogo stick, refers in particular to a kind ofly it to be amounted to the modified pogo stick of packing up when not using.

Present known pogo stick structure, as shown in Figure 5, mainly by a montant 11, handle 12, pedal 13 be located at inner telescopic expansion link 14 in montant 11 lower ends and main spring 15 etc. and constitute.This pogo stick, about about 150 centimetres of its entire length can not be amounted to and be packed up, and handle 12 wherein is separately fixed at the montant upper/lower terminal with pedal 13, also can't amount to and pack up; Therefore, no matter it is all very inconvenient when packing, transportation and collection, improved necessity is arranged.

Therefore, some manufacturer utilizes general common two-section type expansion link structure as montant (not with diagram) now, handle and pedal are made detachable or collapsible structure, thereby when transportation or collection, reduce its length and volume, reduce packing, cost of transportation and the stock space of manufacturer, make things convenient for the user to collect.But, in above-mentioned structure, the expansion link that is located at the main spring of montant lower end and can stretches in montant when spring can't be taken in the inside of montant when folding, thereby the effect of its foreshortened length that can reach and volume is still very limited, is difficult to the practical effect that reaches best.

Main purpose of the present utility model is to provide a kind of modified pogo stick in order to overcome above-mentioned defective and deficiency, its when not using except montant, handle, pedal can be amounted to pack up, projection can also be packed up at the expansion link of montant lower end, thereby can further shorten the entire length when folding, be convenient to packing, transportation and collection.

Secondary objective of the present utility model provides a kind of modified pogo stick, and main spring wherein is covered by in the cylindrical shell, thereby can improve the aesthetic and the security of overall appearance.

For achieving the above object, the utility model adopts following technical proposal: be fixed with a spring unit in the outside, montant lower end, the spring unit is for being equiped with the structure of main spring, sliding sleeve and expansion link etc. in a cylindrical shell, and the perforation of one " Φ " font is arranged at sliding sleeve top; One semi-circular recesses perpendicular to " I " shape groove direction of above-mentioned perforation is arranged in this bottom surface, sliding sleeve top; One circular perforations and an alcove are arranged at the sliding sleeve bottom, and this sliding sleeve bottom and sliding sleeve top connect to one, are provided with a little spring in alcove; Be equipped with a horizontal latch in the upper end of expansion link, the shape of this part is corresponding to " Φ " font perforation on sliding sleeve top, thereby this end of expansion link can free shuttling be bored a hole in " Φ " font.During combination, expansion link from top to bottom penetrates the perforation of sliding sleeve upper and lower part, and sliding sleeve after will making up then and expansion link and main spring are assembled in the cylindrical shell, thereby forms a unit individuality.The unit that will bounce during enforcement is fixed on a side of montant.

Described montant is a telescopic structure, and its quantity is one or two of being set up in parallel.

After adopting technique scheme, when folding, the user omits the application of force by the expansion link lower end and pulls down, make latch break away from the semi-circular recesses of bottom surface, sliding sleeve top, rotating an angle again makes the expansion link upper end corresponding with " Φ " font perforation of sliding sleeve, the expansion link of this spring unit is retracted in cylindrical shell and the main spring, thereby overall volume is contracted to minimum, reach be convenient to pack, transport, the purpose of collection etc.Main spring is hidden in the cylindrical shell, has increased integral aesthetic property and security.

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 be the utility model modified pogo stick an embodiment use with fold stereoscopic-state figure.

Fig. 2 be the utility model modified pogo stick another embodiment use with fold stereoscopic-state figure.

Fig. 3 is the three-dimensional exploded view of the spring unit of the utility model modified pogo stick.

Fig. 4 is the section constitutional diagram of the spring unit of the utility model modified pogo stick.

Fig. 5 is the structural upright schematic diagram of known pogo stick.

As depicted in figs. 1 and 2, the utility model modified pogo stick mainly by one or two telescopic montant 21 that is arranged side by side, be fixed on the handle 22 of these montant 21 upper ends and be fixed on the spring unit 23 of these montant 21 lower ends and pedal 24 etc. is formed.These two embodiment shape in use is the same with known pogo stick, is elongate (shown in left part among Fig. 1, Fig. 2); Amount to when packing up, telescopic montant 21 can narrow down to nearly 1/2nd length, handle 22 desirable following putting on the montant 21 " C " clevis 25, the pedal 24 of below can upwards be turned up, but give prominence to expansion link 34 retractions of spring outside the unit 23 be arranged on montant 21 1 sides and with this montant 21 cylindrical shell 31 side by side in.Zheng Ti volume and length can be contracted to minimum (shown in right side among Fig. 1, Fig. 2 is divided) like this.

Referring to Fig. 3 and Fig. 4, spring unit 23 is for being equiped with the structure of main spring 32, sliding sleeve 33 and expansion link 34 etc. in a cylindrical shell 31, and sliding sleeve top 33a has one " Φ " font perforation 331; One semi-circular recesses 332 perpendicular to " I " shape groove direction of above-mentioned perforation 331 is arranged in this 33a bottom surface, sliding sleeve top; Sliding sleeve bottom 33b has a circular perforations 333 and an alcove 334, and this sliding sleeve bottom 33b and sliding sleeve top 33a connect to one, are provided with a little spring 335 in alcove 334; Be equipped with a horizontal latch 341 in the upper end of expansion link 34, the shape of this part is corresponding to " Φ " font perforation 331 of sliding sleeve top 33a, thereby expansion link 34 these ends can free shuttling bore a hole 331 in " Φ " font.During combination, expansion link 34 from top to bottom penetrates the

perforation

331 and 333 of sliding sleeve upper and lower part, and the sliding sleeve 33 after will making up then is assembled in the cylindrical shell 31 with expansion link 34 and main spring 32, thereby forms a unit individuality.The unit 23 that will bounce during enforcement is fixed on a side of montant 21.

Above-mentioned spring unit 23, when being used for the pogo use, the user can be pulled out this expansion link by the lower end of expansion link 34, and slightly the application of force makes the ledge of the latch 341 of this expansion link upper end compress

little spring

335,34 1 angles of rotating extensible arm then, latch 341 is entered in the semi-circular recesses 332 of 33a bottom surface, sliding sleeve top, elastic force by little spring 335 after letting go is kept in the semi-circular recesses 332 that is in sliding sleeve the latch 341 of this expansion link, thereby can carry out the spring-like movement of pogo.When folding, the user omits the application of force by expansion link 34 lower ends and pulls down, the semi-circular recesses 332 that makes latch 341 break away from 33a bottom surface, sliding sleeve top, rotating an angle again, that expansion link upper end and " Φ " font of sliding sleeve are bored a hole is 331 corresponding, the expansion link 34 of this spring unit 23 is retracted in cylindrical shell 31 and the main spring 32, thereby overall volume is contracted to minimum, reach be convenient to pack, transport, the purpose of collection etc.Main spring 32 is hidden in the cylindrical shell 31, has increased integral aesthetic property and security.

Consult Fig. 4, valve rubber 35 or " O " type ring 36, butter etc. can be set at the upper and lower end face of main spring 32 and sliding sleeve 33 movable parts such as grade to reach the purpose of lubricated, damping and noise abatement sound; In addition, the constraint of " O " type ring 36 that also can be by being set in expansion link 34 outsides when making this expansion link 34 in retraction main spring 32 and cylindrical shell 31, can maintain the inside and do not fall down easily, thus the generation practical effect.

In sum, the utility model modified pogo stick can be reduced to minimum with the length and the volume of pogo stick really, is convenient to packing, transportation and collection, has practicality and economic worth.

Claims

1, a kind of modified pogo stick, comprise: montant, the handle that is fixed on this montant upper end and spring unit and the pedal that is fixed on this montant lower end, it is characterized in that: described spring unit comprises: cylindrical shell, be contained in main spring, sliding sleeve and expansion link in this cylindrical shell; The perforation of one " Φ " font is arranged at sliding sleeve top; One semi-circular recesses perpendicular to " I " shape groove direction of above-mentioned " Φ " font perforation is arranged in this bottom surface, sliding sleeve top; One circular perforations and an alcove are arranged at the sliding sleeve bottom, and this sliding sleeve bottom and sliding sleeve top connect to one; One little spring is arranged in the alcove of sliding sleeve bottom; Be equipped with a horizontal latch in the upper end of expansion link, the shape after make up with described horizontal latch this expansion link upper end is corresponding to " Φ " font perforation on sliding sleeve top.

2, modified pogo stick according to claim 1 is characterized in that: described montant is a telescopic structure, and its quantity is one or two of being set up in parallel.