CN100479894C

CN100479894C - Body retractable self-moving slide board

Info

Publication number: CN100479894C
Application number: CNB2005100997213A
Authority: CN
Inventors: 王可力
Original assignee: Individual
Current assignee: Wang Keli
Priority date: 2005-09-03
Filing date: 2005-09-03
Publication date: 2009-04-22
Anticipated expiration: 2025-09-03
Also published as: CN1736524A

Abstract

The invention discloses a body collapsible self-propelled slide, which comprises the following parts: front slide (1) with front-wheel (18) on the carriage (4), back slide (6) with front-to-back mobile one-way rotating back-wheel (11) and stretching spring (26) of keeping the back slide contracting tendency under the front and back slide, wherein the carriage (4) contains two stretching slideways (5) whose cross section is composed of grooved section bar (5-1, 5-2, 5-3) with interembedding connection; the ball track (5-5, 5-10) is set between two lateral walls of grooved section bar, which concludes balls (5-6, 5-11) of holder (5-7, 5-12) limit separation; the limit component (5-8, 5-9, 5-13, 5-14) is set between two grooved section bars to avoid balls (5-6, 5-11) pull-apart; the front slide (1) is fixed on the outboard of outer layer grooved section bar (5-1) or inner layer grooved section bar (5-2) by vertical downward stretching element (3, 8); the back slide (6) is fixed on the outboard of inner layer grooved section bar (5-2) or outer layer grooved section bar (5-1) by vertical downward stretching element (8).

Description

Body retractable self-moving slide board

Technical field:

The present invention relates to a kind of slide plate, particularly a kind of self-moving slide board with stretching drive mechanism is applicable to nonirrigated farmland roller-skating motion.

Background technology:

I have formerly submitted a kind of " self-moving slide board " utility application to State Intellectual Property Office, and (application number is: 200420014349.2), the described slide plate of this patent application comprises the front-wheel that is located under the pedal, the service brake device that has the trailing wheel of mono-directional overrun clutch and be located at trailing wheel top, it is characterized in that described pedal is by the front running board of trampling for the forward foot in a step with step on the tail skid of pedaling for the rear foot and form; Front-wheel is articulated under the front running board, and front running board is articulated in a vehicle frame front end; Vehicle frame has an extension spring, and the end system of this extension spring is connected under the tail skid, and other end system is connected to the front portion of vehicle frame, is provided with a guiding bindiny mechanism between tail skid and vehicle frame; Trailing wheel is articulated in the rear portion of tail skid.Sporter's bipod is stepped on respectively on the front running board and tail skid of self-moving slide board of the present invention, the rear foot is stepped on backward and is pedaled, because trailing wheel is provided with the effect of single freewheel clutch, trailing wheel does not change, rear riding force must be delivered on the front-wheel, the elastic force that overcomes extension spring drives vehicle frame and travels forward, in case remove the rear riding force on the tail skid, extension spring just spurs tail skid and travels forward.Repeat above-mentioned action, self-moving slide board one of the present invention is stretched one and contracted, and car connects the people and travels forward together, and as roller skating, speed is fast, and is interesting strong.But find that in practice there is following deficiency in this self-moving slide board: although 1 tail skid can stretch, vehicle frame is holistic grooved square frame, causes whole vehicle body long, neither is easy to carry, and also is not easy to collection, also influences attractive in appearance; 2, a front-wheel is articulated under the front running board, and spoke is in same plane with the front slide rotation centerline all the time, turns to dumb.

Summary of the invention:

Technical problem to be solved by this invention is to shorten the length of vehicle body, and a kind of body retractable self-moving slide board is provided.

The technical solution that the present invention solves the problems of the technologies described above is:

A kind of body retractable self-moving slide board, comprise the tail skid of front slide that is located on the vehicle frame band front-wheel and the band one-directional rotation trailing wheel that can seesaw and be located at before and after make the remain retracted extension spring of trend of tail skid under the slide plate, it is characterized in that described vehicle frame mainly is made up of two telescopic chute; Described telescopic chute is nested mutually by three grooved section bars and connects and composes, and three grooved section bar arrangement modes are that outer grooved section bar and middle grooved section bar are provided with in the same way, and internal layer grooved section bar and outer grooved section bar oppositely are provided with; Be provided with raceway between the outer grooved section bar that is nested mutually and the lateral wall of middle grooved section bar and between the lateral wall of be nested mutually middle grooved section bar and internal layer grooved section bar, be provided with in the raceway by the spacing separated ball of retainer, be provided with the spacing member of avoiding slideway to pull between outer grooved section bar and the middle grooved section bar and between middle grooved section bar and the internal layer grooved section bar; Described front slide is fixed on the outside of the section bar that is in outside grooved by ennation vertically downward, and tail skid is fixed on the inboard of the section bar that is in inboard grooved by ennation vertically downward; Or front slide is fixed on the inboard that is in inboard grooved section bar by ennation vertically downward, and tail skid is fixed on the outside that is in outer grooved section bar by ennation vertically downward.

For body retractable self-moving slide board of the present invention is turned to flexibly, the feature of the more excellent design of another of technique scheme is to be arranged with two front-wheels about under the front slide, and two front-wheel rotary centerlines are positioned at same plane and vertical mutually with the rotary centerline of front slide.

(application number is: it is short 200420014349.2) to have a vehicle body, carries, collects convenient and turn to remarkable result flexibly for the utility application that the present invention formerly submits to than prior art and I.

Description of drawings:

Fig. 1 and Fig. 2 are the structural representation of a specific embodiment of the present invention, and wherein Fig. 1 is a front view, and Fig. 2 is a upward view;

Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the structural representation of a specific embodiment of described telescopic chute, and wherein Fig. 3 is a front view, and Fig. 4 is A-A profile of Fig. 3, and Fig. 5 is B-B profile of Fig. 3, and Fig. 6 is C-C profile of Fig. 3;

Fig. 7 is the rotary state schematic diagram of front slide among Fig. 2 of embodiment illustrated in figures 1 and 2;

Extended state schematic diagram when Fig. 8 slides for embodiment illustrated in figures 1 and 2, arrow is the direction of advance of body retractable self-moving slide board of the present invention among the figure.

The specific embodiment:

Referring to Fig. 3 to Fig. 6, described telescopic chute 5 is nested mutually by the section bar of three grooveds and connects and composes.Wherein, the outside grooved section bar 5-1 and the grooved section bar 5-3 of centre are provided with in the same way, and the section bar 5-1 of inboard grooved section bar 5-2 and outside grooved oppositely is provided with.The grooved section bar 5-3 of described centre arches upward left, forms a longitudinal groove 5-4, so that attachment screw 9 is installed.Be provided with raceway 5-5 between the lateral wall of the grooved section bar 5-3 of outside grooved section bar 5-1 and centre, be provided with ball 5-6 in the raceway 5-5, spacing and separate between the ball 5-6 by retainer 5-7, described two, the spacing member left and right sides of avoiding slideway to pull is respectively established one, the spacing member 5-8 of right head goes out one and has lifted up formation on outer side slot type section bar 5-1, the spacing member 5-9 of left side head stamps out to convex to form on the lateral wall of the grooved section bar 5-3 of centre; Be provided with raceway 5-10 between the lateral wall of the grooved section bar 5-3 of inboard grooved section bar 5-2 and centre, be provided with ball 5-11 in the raceway 5-10, spacing and separate between the ball 5-11 by retainer 5-12, the retainer 5-12 on both sides fuses along described arching upward, go up longitudinal sliding motion but being stuck in arches upward, the described spacing member of avoiding slideway to pull also is that two, the left and right sides is respectively established one, right head is to be made of the limited block 5-13 in the grooved section bar 5-3 groove in the middle of being fixed on, left side head be that bottom land at the grooved section bar 5-3 of centre goes out a triangular hill 5-14 to internal layer grooved section bar 5-2 one side blow and forms.

Referring to Fig. 1 and Fig. 2, vehicle frame 4 mainly is made up of two telescopic chute 5.Following vertically being arranged with between two angle steel, 2, two angle steel 2 of front slide 1 is provided with a plate 23, and two angle steel 2 are fused to be stuck on two telescopic chute 5; Described angle steel 2 one vertically downward stile form described connector 3, the outside grooved section bar 5-1 of telescopic chute 5 is worn the inboard that is clipped in connector 3 by screw 9; Also be provided with two angle steel 7 on the tail skid 6, this angle steel 7 one vertically downward stile form described connector 8, the inboard grooved section bar 5-2 of telescopic chute 5 is worn the outside that is clipped in connector 8 by screw 10.

According to the structure of telescopic chute 5 described above, can transfer excessive the use obviously, be about to inboard grooved section bar 5-2 and be connected with front slide 1, outside grooved section bar 5-1 is connected with tail skid 6; Next be described telescopic chute 5

rigid connectors

3 and 8 the inboard or the outside also can change, these all are that those skilled in the art are easy to accomplish, have just repeated no more here.

Referring to Fig. 1 and Fig. 2, two trailing wheels 11 are located at the left and right sides of tail skid 6 belows, and (application number is the utility application of formerly submitting to me in two trailing wheels 11: 200420014349.2) the same known freewheel clutch (being similar to flying greatly of bicycle) that is equipped with.

Referring to Fig. 2, front slide 1 is bearing on the vehicle frame 4 by rolling bearing 12 and freely rotates.Concrete supporting scheme is: the centre of connecting plate 23 is provided with a circular hole, rolling bearing 12 is placed in the hole, the inner ring of rolling bearing 12 is clamped on the front slide 1 by four screws 15 by circular pressing plate 13, and the outer ring of rolling bearing 12 is clamped on the connecting plate 23 by four screws 16 by pressing plate 14.Because the area of front slide 1 is bigger, and the bearing-surface of rolling bearing 12 is less, certainly will cause the amount of deflection of front slide 1 excessive.The technical scheme that the present invention addresses this problem is that front slide 1 following connecting plate 23 is provided with two carrying rollers 17.This carrying roller 17 preferably is located on the center line of vehicle frame 4, is positioned at the front and back of rolling bearing 12.

Referring to Fig. 1 and Fig. 2, front-wheel 18 is fixed on the left and right sides of front slide 1 by support 19, and preferably the rotary centerline of the axial line of the wheel shaft of front-wheel 18 and front slide 1 is positioned at same plane, and vertical mutually.

Referring to Fig. 1, Fig. 2 and Fig. 7, be arranged with two extension springs 20 below the front slide 1, of extension spring 20 is hooked on the earrings 21 below the front slide 1, and the other end is hooked on the earrings 22 in vehicle frame 4 outsides.Described two extension springs 20 make 1 of front slide towards the dead ahead all the time, and its effect is: reduce the double swerve of front slide 1 in the process of sliding first, be convenient to control line of travel; Second after cancelling, the external force that control turns to return automatically.

Referring to Fig. 2 or Fig. 7, extend a double-screw bolt 24 on the connecting plate 23 vertically downward, also extend a double-screw bolt 24 on the tail skid 2 vertically downward, two of one longer extension spring 26 is enclosed within on two double-screw bolts 24 and by nut 25 and presses referring to Fig. 2 or Fig. 7, extend a double-screw bolt 24 on the connecting plate 23 vertically downward, the two of also extending a double-screw bolt 24, one longer extension springs 26 on the tail skid 2 vertically downward is enclosed within on two double-screw bolts 24 and by nut 25 and compresses.After telescopic chute 5 is stretched under the effect of external force, in case external force is cancelled telescopic chute 5 reset (referring to Fig. 8) that just can easily withdraw under the effect of extension spring 26.

Referring to Fig. 1 and Fig. 2, tail skid 6 front ends are provided with the anti-collision block 27 (also can say the rear end at front slide 1) of elasticity, and front and back two slide plates produce bump when avoiding returning, and damage parts.

Claims

1, a kind of body retractable self-moving slide board, comprise the tail skid of front slide that is located on the vehicle frame band front-wheel and the band one-directional rotation trailing wheel that can seesaw and be located at before and after make the remain retracted extension spring of trend of tail skid under the slide plate, it is characterized in that described vehicle frame mainly is made up of two telescopic chute; Described telescopic chute is nested mutually by three grooved section bars and connects and composes, and three grooved section bar arrangement modes are that outer grooved section bar and middle grooved section bar are provided with in the same way, and internal layer grooved section bar and outer grooved section bar oppositely are provided with; Be provided with raceway between the outer grooved section bar that is nested mutually and the lateral wall of middle grooved section bar and between the lateral wall of be nested mutually middle grooved section bar and internal layer grooved section bar, be provided with in the raceway by the spacing separated ball of retainer, be provided with the spacing member of avoiding slideway to pull between outer grooved section bar and the middle grooved section bar and between middle grooved section bar and the internal layer grooved section bar; Described front slide is fixed on the outside that is in outer grooved section bar by ennation vertically downward, tail skid is fixed on the inboard that is in inboard grooved section bar or front slide by ennation vertically downward and is fixed on the inboard that is in inboard grooved section bar by ennation vertically downward, and tail skid is fixed on the outside that is in outside grooved section bar by ennation vertically downward.

2, a kind of body retractable self-moving slide board according to claim 1 and 2 is arranged with two front-wheels about it is characterized in that under the front slide, and two front-wheel rotary centerlines are positioned at same plane and vertical mutually with the rotary centerline of front slide.