CN201202397Y

CN201202397Y - Ladder

Info

Publication number: CN201202397Y
Application number: CNU2008200789277U
Authority: CN
Inventors: 张鸿森
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-02
Filing date: 2008-02-02
Publication date: 2009-03-04
Anticipated expiration: 2018-02-02

Abstract

The utility model discloses a ladder, which is mainly formed by a ladder which is formed by two longitudinal ladder frames and predetermined amount of lateral pedals which are arranged between the two longitudinal ladder frames, and auxiliary mechanisms which are arranged on both sides on the lower portions of the longitudinal ladder frames, wherein each auxiliary mechanism comprises a main body which is fixed on the longitudinal ladder frames, both sides of the outer end of the main body with openings are provided with chutes which are provided with guiding teeth, and a sliding bar is penetrated on chutes on both sides, a support bar is pivoted on the sliding bar, the sliding bar is pivoted on the top end of the support bar, and the tail end is provided with a foot stool, and the foot stool is provided with a regulating piece for adjusting the height, and the support bar is further pivoted with the top end of the connecting bar, the tail end of the connecting bar is pivoted on the lower end of a main body, and the ladder is supported through the assistance of the auxiliary mechanisms to reach stable and safe behavior.

Description

Ladder

Technical field

The utility model is about a kind of terraced field of ascending a height, and more particularly, has the safety structure and uses more firm ladder about a kind of.

Background technology

Ladder mainly is to be used for the usefulness that auxiliary people ascend a height, and uses the occasion of ascending a height at needs widely.Known ladder is an example with what patented, announce the patent (with reference to the TaiWan, China patent announcement on November 01st, 2007) of M321468 number sectional working stand as TaiWan, China, be with the solid assembly of two pillars, side panel, reinforcement stator, top cover, pedal, brace, support bar and spiral shell about the main member of working stand, machining the packing of promptly doing the per unit working stand; Supply the customer after purchase, in regular turn left and right two pillars to be taken mutually and lean on, establish back with the reinforcement stator at folder with side panel again and combine by the solid assembly of spiral shell; Continue and be covered in two pillar upper ends and do combination by the solid assembly of spiral shell with top cover; Each pedal and both sides brace are being resisted against in regular turn between two pillars, one side and are combining by the solid assembly of spiral shell; Be to combine between two pillars to opposite side against reaching by the solid assembly of spiral shell with support bar and both sides brace; Again the solid assembly of the spiral shell between each member is done the working stand that locking positioning can be finished sectional at last.The patent (with reference on 06 11st, 2007 TaiWan, China patent announcement) of the ladder of the adjustable feet height that TaiWan, China invention bulletin is I282390 number comprises: ladder; At least one adjustment group, be to be positioned at this ladder one side, and have the sleeve pipe and a leg of mutual fit, and sole, this sleeve pipe is fixed with this ladder, this leg is along this sleeve pipe telescopic displacement, and has an end that passes this sleeve pipe and this ladder, but this sole be turn be hubbed on this leg end portions and be affixed on supporting surface; And at least one location group, be arranged on this adjustment group, and can fix this leg.The patent of the ladder balancing pole footmuff that No. the 566472nd, the novel bulletin of TaiWan, China (with reference to Chinese Taiwan on the 11st patent announcement December in 2003), it comprises: anchor portion, has the cover inlet, the shape at the corresponding ladder balancing pole of its shape both ends, and on cover inlet dual-side inner surface, be provided with two or more wedge shape male members, the below of cover inlet is in conjunction with the bottom, these both sides in conjunction with the bottom are respectively equipped with a combined hole, cover inlet dual-side is combined with an end of diagonal rib relatively, and the other end of this diagonal rib then connects respectively in conjunction with the bottom; And anti-skidding portion, its end face is provided with two connection clips, and each connection clip can stretch into the aforementioned combined hole that anchors portion, makes both combinations in addition, and its bottom surface forms parallel ditch slot texture, has the function of on-slip when contacting with ground; Therefore, anchor in the combined hole of portion when the connection clip of anti-skidding portion is inserted, make both be combined into a footmuff, again the two ends of the balancing pole of ladder are inserted respectively in the cover inlet of the portion that anchors on the footmuff, make the both ends of the chimeric balancing pole of male member of the portion of anchoring, promptly finish whole combination.

Above-described known ladder, mostly utilize vertical ladder of both sides to stand on ground, and big city and ground is at an angle in use for ladder, because the difference of working environment, often there are situations such as uneven, wet and slippery on ground, and ascending a height at the use ladder has the disappearance of safeties such as ladder rocks steadily, slips often.

The utility model content

In view of this, main purpose of the present utility model is to provide a kind of ladder with comparatively firm safe effect.

In order to achieve the above object, ladder in the utility model mainly includes by two vertical ladders and is located at first ladder that two horizontal pedals of the predetermined quantity between vertical ladder are formed, and be located at the auxiliary body of both sides, described vertical ladder below, described each auxiliary body includes main body, this main body is fixed in described vertical ladder, described main body is equipped with sliding bar in the both sides, outer end with opening, this sliding bar is pivoted with support bar, the top of this support bar is hubbed at described sliding bar, described support bar articulates the top of connecting rod in addition, and the end of this connecting rod then is articulated in the lower end of described main body.

To achieve these goals, ladder in the utility model includes by two vertical ladders and is located at first ladder that two horizontal pedals of predetermined quantity between vertical ladder are constituted, and be located at the auxiliary body of both sides, described vertical ladder below, described each auxiliary body includes the opening that the outer end is provided with below described vertical ladder, the both sides of described opening are equipped with sliding bar, this sliding bar support bar that is pivoted, the top of this support bar is hubbed at described sliding bar, described support bar articulates the top of connecting rod in addition, and the end of this connecting rod then is articulated in the lower end of described main body.

Ladder in the utility model borrows auxiliary body to come the supplemental support ladder, thereby reaches the effect of comparatively firm safety.

Description of drawings

Fig. 1 is the three-dimensional exploded view of ladder among the utility model embodiment one;

Fig. 2 is the three-dimensional exploded view of ladder among the utility model embodiment two;

Fig. 3 is the three-dimensional exploded view of ladder shown in Fig. 2 when folded position;

Fig. 4 is the stereogram of ladder shown in Fig. 2 when stretching state.

Description of reference numerals

1 first ladder, 10 vertical ladders

11 horizontal pedal 12 openings

13 chutes 14 are led tooth

16 perforation of 15 chutes

2 auxiliary bodies, 20 main bodys

200 openings, 201 chutes

202 lead tooth 21 sliding bars

22 support bars, 23 runners

230 adjustment parts, 24 connecting rods

25 elastic parts, 3 auxiliary bodies

31 sliding bars, 32 support bars

33 runners, 330 adjustment parts

34 connecting rods, 35 elastic parts

4 flaps, 5 second ladders

6 connectors, 60 handles

61 spring pearls

The specific embodiment

As shown in Figure 1,, now enumerate embodiment, and conjunction with figs. is described as follows, wishes structure of the present utility model, feature and the effect reached are obtained more preferably to understand for reaching the aforesaid purpose of the utility model.

At first see also three-dimensional exploded view shown in Figure 1, as seen from the figure, ladder in the utility model mainly contains by two vertical ladders 10 and is located at first ladder 1 that the horizontal pedal 11 of predetermined quantity of 10 of two vertical ladders constituted and the auxiliary body 2 that is located at both sides, vertical ladder 10 below constitutes, each auxiliary body 2 includes main body 20, this main body 20 is fixed on vertical ladder 10, the both sides, outer end that this main body 20 has an opening 200 are provided with has the chute 201 of leading tooth 202, and be equipped with sliding bar 21 in both sides chute 201, this sliding bar 21 is pivoted with support bar 22, these support bar 22 tops and sliding bar 21 are pivoted, end then is provided with runners 23, runners 23 has adjustment part 230 to adjust height, this support bar 22 articulates the top of connecting rod 24 in addition, and the end of this connecting rod 24 is articulated in the lower end of main body 20.Auxiliary body 2 in the utility model can fold the side at two vertical ladders 10 when not using, during use support bar 22 is pulled outwardly, borrow sliding bar 21 to be stuck in the position of leading tooth 202 on the chute 201 and adjust support bar 22 to suitable angle, support bar 22 can be borrowed the support of connecting rod 24, and visual ground height is adjusted the adjustment part 230 of runners 23 to being fit to height, so can borrow auxiliary body 2 to come supplemental support first ladder 1, reach the effect of comparatively firm safety.20 of aforementioned sliding bar 21 and main bodys can be provided with elastic parts 25, when sliding bar 21 slides in chute 201, can be stuck in by means of the setting of elastic parts 25 and lead on the tooth 202.

Please consult another embodiment part three-dimensional exploded view of the utility model of Fig. 2 again, as seen from the figure, ladder in the utility model mainly contains by two vertical ladders 10 and is located at first ladder 1 that the horizontal pedal 11 of predetermined quantity of 10 of two vertical ladders constitutes and the auxiliary body 3 that is located at both sides, vertical ladder 10 below constitutes, each auxiliary body 3 includes the opening 12 that the outer end is provided with below vertical ladder 10, the both sides of opening 12 are provided with has the chute 13 of leading tooth 14, and be equipped with sliding bar 31 at both sides chute 13, this sliding bar 31 is pivoted with support bar 32, these support bar 32 tops and sliding bar 31 are pivoted, end is provided with runners 33, runners 33 has adjustment part 330 to adjust height, this support bar 32 articulates the top of connecting rod 34 in addition, and the end of this connecting rod 34 is articulated in the lower end of vertical ladder 10.Auxiliary body 3 in the utility model can collapse in the side of two vertical ladders 10 when not using, during use support bar 32 is pulled outwardly, borrow sliding bar 31 to be stuck in the position of leading tooth 14 on the chute 13 and adjust support bar 32 to suitable angle, support bar 32 can borrow connecting rod 34 to support, and visual ground height is adjusted the adjustment part 330 of runners 33 to being fit to height, so can borrow auxiliary body 3 to come supplemental support first ladder 1, reach the effect of comparatively firm safety.20 of aforementioned sliding bar 31 and main bodys can be provided with elastic parts 35, when sliding bar 31 slides in chute 13, can be stuck in by means of the setting of elastic parts 35 and lead on the tooth 14.

Moreover, see also shown in Figure 3, ladder in the utility model includes second ladder 5 that connects by flap 4 in addition, for amounting to or stretching use, and in first ladder, 1 vertical ladder 10, be provided with connector 6, connector 6 lower surfaces are provided with the handle 60 of protrusion, the upper surface is provided with spring pearl 61, first ladder, 1 vertical ladder 10 is provided with the chute 15 that is convexly equipped with for connector handle 60 with respect to connector handle 60 places, and the perforation 16 that supplies connector spring pearl 61 to be convexly equipped with, and when this connector handle 60 is positioned at chute 15 lower ends, this connector spring pearl 61 is positioned at perforation 16 places, and connector 6 is in first ladder, 1 inside, this second ladder 5 is provided with 50 (please cooperate and consult Fig. 4) of perforation with respect to 61 displacements place of connector spring pearl, and the spring Zhu61Chu when this perforation 50 is positioned at connector handle 60 and is positioned at chute 15 upper ends, when connector handle 60 is upwards pushed away, connector spring pearl 61 can be fastened on perforation 50 places of second ladder 2, thereby with first stretching ladder 1 and the 5 firm combinations of second ladder, what do not have that joint do not cause really shortcoming such as rocks.

The above only is a preferable possible embodiments of the present utility model, is not in order to limit scope of the present utility model.

Claims

1, a kind of ladder, it is characterized in that, mainly include by two vertical ladders and be located at first ladder that two horizontal pedals of the predetermined quantity between vertical ladder are formed, and be located at the auxiliary body of both sides, described vertical ladder below, described each auxiliary body includes main body, this main body is fixed in described vertical ladder, described main body is equipped with sliding bar in the both sides, outer end with opening, this sliding bar is pivoted with support bar, the top of this support bar is hubbed at described sliding bar, described support bar articulates the top of connecting rod in addition, and the end of this connecting rod then is articulated in the lower end of described main body.

2, ladder according to claim 1 is characterized in that, described main body both sides are provided with has the chute of leading tooth, and described sliding bar is located in the chute of main body both sides.

3, ladder according to claim 1 is characterized in that, described support bar tail end is provided with runners.

4, ladder according to claim 3 is characterized in that, described runners is provided with the adjustment part that is used for adjusting height.

5, ladder according to claim 1 is characterized in that, is provided with elastic parts between described sliding bar and described main body.

6, ladder according to claim 1, it is characterized in that, described first ladder is connected with second ladder by flap, be provided with connector in the vertical ladder of this first ladder, described connector lower surface is provided with the handle of protrusion, the upper surface is provided with the spring pearl, the vertical ladder of described first ladder is provided with the chute that is convexly equipped with for described connector handle with respect to described connector grip, reach the perforation that described connector spring pearl is convexly equipped with when supplying described connector handle to be positioned at described chute lower end, described connector spring Zhu Chu was provided with the perforation that is convexly equipped with for described connector spring pearl when this second ladder was positioned at described chute upper end with respect to described connector handle.

7, a kind of ladder, it is characterized in that, include by two vertical ladders and be located at first ladder that two horizontal pedals of predetermined quantity between vertical ladder are constituted, and be located at the auxiliary body of both sides, described vertical ladder below, described each auxiliary body includes the opening that the outer end is provided with below described vertical ladder, the both sides of described opening are equipped with sliding bar, this sliding bar support bar that is pivoted, the top of this support bar is hubbed at described sliding bar, described support bar articulates the top of connecting rod in addition, and the end of this connecting rod then is articulated in the lower end of described main body.

8, ladder according to claim 7 is characterized in that, the both sides of described vertical ladder opening are provided with has the chute of leading tooth, and described sliding bar is arranged in the chute of vertical ladder opening both sides.

9, ladder according to claim 7 is characterized in that, described support bar tail end is provided with runners.

10, ladder according to claim 9 is characterized in that, described runners is provided with the adjustment part that is used for adjusting height.

11, ladder according to claim 7 is characterized in that, is provided with elastic parts between described sliding bar and described vertical ladder.

12, ladder according to claim 7, it is characterized in that, described first ladder is connected with second ladder by flap, be provided with connector in the vertical ladder of this first ladder, described connector lower surface is provided with the handle of protrusion, the upper surface is provided with the spring pearl, the vertical ladder of described first ladder is provided with the chute that is convexly equipped with for described connector handle with respect to described connector grip, reach the perforation that described connector spring pearl is convexly equipped with when supplying described connector handle to be positioned at described chute lower end, described connector spring Zhu Chu was provided with the perforation that is convexly equipped with for described connector spring pearl when this second ladder was positioned at described chute upper end with respect to described connector handle.