CN200971602Y - Scaffold - Google Patents

Abstract

The utility model relates to a scaffold which comprises a scaffold frame and a scaffold pedal. Wherein, the scaffold frame consists of at least two frame structures which are positioned front and rear oppositely and formed by ladder components connected by a cross bar; each ladder component is provided with left and right upright posts and a plurality of pedal cross bars; among the ladder components, at least one ladder component is provided with an openable pedal cross bar to form a gateway of the scaffold. The utility model is characterized in that the mentioned openable pedal cross bar has one fixed end, which is hinge to a side upright post through the hinge pin positioned back and forth, therefore, the scaffold can swing around the hinge pin up and down; the other end of the openable pedal cross bar is an oscillation end, which is connected with the side upright post through the chimeric base of the other side upright post. The utility model can not only open and close easily in a small place, but also can smoothly enter and exit the scaffold gateway without being held the openable pedal cross bar.

Description

Scaffold

Technical field

The utility model relates to a kind of scaffold, is specifically related to a kind of assembly scaffold of being made up of ladder element.

Background technology

In the prior art, assembly scaffold (also claiming scaffold) is made up of a scaffold frame and the scaffold pedal that is fixed on the scaffold frame, and scaffold frame is formed by connecting by cross bar by about two ladder element that are oppositely arranged; The structure of ladder element is similar to ladder, is to be connected and composed by a column and the spaced several foot-operated whippletrees on above-below direction that are connected between the two; But the foot-operated whippletree of ladder element bottom is openable folding rides whippletree, thereby forms the access of scaffold.During use, people just enter the inside of scaffold frame from this access, utilize each foot-operated whippletree to climb up scaffold from level to level again.

Can be referring to Japanese kokai publication hei 10-2105 communique, but the foot-operated whippletree of its folding is outwards around the vertical pivot rotating opening, but the foot-operated outside integral body of whippletree of folding has been given prominence to much after opening, and so just requires to locate that in the access very big space will be arranged.If this kind scaffold is placed on the space-constrained place, but cause difficulty just may for foot-operated the opening of whippletree of folding.

In addition, also have a kind of structure, see that the spy opens the 2001-254508 communique, but the foot-operated whippletree of its folding can slide at the column of above-below direction upper edge ladder element, and be provided with and stop mechanism to prevent its downslide.During use, but with move on the foot-operated whippletree of folding open after, must live in case it drops with hand rest, when the bigger article turnover access of carrying heavy goods or volume just very not.

The utility model content

The utility model provides a kind of scaffold, but purpose is to make it to be used in the also foot-operated whippletree of folding folding easily of narrow and small place, space, but and need not to live the foot-operated whippletree of folding with hand rest and can successfully pass in and out the scaffold access.

For achieving the above object, the technical solution adopted in the utility model is: a kind of scaffold, comprise scaffold frame and scaffold pedal, and scaffold frame is the frame rod structure that is formed by connecting by cross bar by the ladder element that at least two front and back are oppositely arranged; Each ladder element is made of left and right pillar and the several foot-operated whippletree that is connected between two columns again; In each ladder element, but have at least a ladder element to be provided with the foot-operated whippletree of folding, form the scaffold access with this; But an end of the foot-operated whippletree of described folding is a fixed end, and it is hinged on the heel post by the bearing pin along the fore-and-aft direction setting, can swing up and down around bearing pin with this whippletree; But the other end of the foot-operated whippletree of folding is a swinging end, and it is connected with this heel post is chimeric by the embedding seat on the opposite side column.

Related content in the technique scheme is explained as follows:

1, in the such scheme, for but the foot-operated whippletree of folding upwards can keep motionless under the open mode, do not drop voluntarily, can adopt following three scheme: a, described bearing pin to be convexly equipped with on the column inboard, leave spacing between bearing pin and column, but make the foot-operated whippletree of folding upwards tilt to lean against on the column inboard to stud sides under the open mode with this.Being designed to tighter friction fit between b, the fixed end that but folding can be ridden whippletree and the bearing pin on the column, must be could rotate with the resistance that hand overcomes between the two when making folding, and under no manual operation, but the foot-operated whippletree of folding can not drop voluntarily because of gravity.But be provided with fastening devices corresponding to the swinging end position of the foot-operated whippletree of folding under the open mode that makes progress on c, the described ladder element, swinging end is upwards cooperating the location with this fastening devices under the open mode, but keeps the posture of the foot-operated whippletree of folding this moment by fastening devices with this.The fastening devices effect here is the location, and concrete structure is not limit, and can adopt existing various location structure, as rotating blocked flake type, bolt-type or the like.

2, in the such scheme, but the foot-operated whippletree of its swinging end and upside bumps against when the foot-operated whippletree of folding is upwards opened, but can the foot-operated whippletree of folding under open mode upwards to the outside or the inboard inclination of ladder element.For reaching inclination, can take multiple mode, preferable scheme is that bearing pin is obliquely installed slightly, makes between it and horizontal direction to have certain angle.

3, in the such scheme, further scheme has: but the fixed end of the foot-operated whippletree of described folding links to each other with column by a hinged seat, this hinged seat is made of a pair of assembly wall, a fixation wall and a bearing pin, a pair of assembly wall becomes " Contraband " shape to be connected with fixation wall, fixation wall is fixedlyed connected with a heel post, between two assembly walls across having set up bearing pin.

4, in the such scheme, further scheme has: described embedding seat is " Contraband " shape structure of the upper end open that is made of a pair of sidewalls and a diapire, and it is fixed on the heel post, but the swinging end that whippletree is ridden in its upper end open and folding is corresponding.

5, in the such scheme, but can all establish the foot-operated whippletree of folding in the whole scaffold on each ladder element, form a plurality of accesss, but also can only on a ladder element, establish the foot-operated whippletree of folding, form an access with this.And, but the quantity of the foot-operated whippletree of folding can be one, also can be two of facing mutually, more than three even three, and this quantity has promptly determined the size of access, and in general, the access is provided in a side of the scaffold bottom.

Because the technique scheme utilization, the utility model compared with prior art has following advantage:

1, because but the utility model is designed to swing up and down opening type with the foot-operated whippletree of folding, but the foot-operated whippletree of folding does not take up room when opening, thereby access surrounding space size is not required,, but can open and close the foot-operated whippletree of folding easily yet even be in narrow and small place, space.

2, because but the utility model is designed to swing up and down opening type with the foot-operated whippletree of folding, can keep its posture motionless under open mode, when the turnover access, can successfully not pass in and out scaffold but do not need to live the foot-operated whippletree of folding with hand rest, be very much convenient.

Description of drawings

Accompanying drawing 1 is embodiment one an overall structure schematic perspective view;

Accompanying drawing 2 is looked schematic diagram for embodiment one integrally-built master;

Accompanying drawing 3 is looked schematic diagram for the left side of accompanying drawing 2;

Accompanying drawing 4 is the schematic top plan view of accompanying drawing 2;

Accompanying drawing 5 is looked schematic diagram for the master who implements scaffold bottom one stepladder member;

Accompanying drawing 6 is looked schematic diagram for the right side of accompanying drawing 5;

But accompanying drawing 7 is looked schematic diagram for the master who implements the foot-operated whippletree part of folding in the ladder element;

Accompanying drawing 8 is the schematic top plan view of accompanying drawing 7;

Accompanying drawing 9 be in the accompanying drawing 7 A-A to sectional drawing;

Accompanying drawing 10 be in the accompanying drawing 7 B-B to sectional drawing;

Accompanying drawing 11 is looked schematic diagram for the master of embodiment two scaffolds bottom one stepladder member;

Accompanying drawing 12 is looked schematic diagram for the right side of accompanying drawing 11;

But accompanying drawing 13 is the foot-operated whippletree moving process schematic diagram of folding of embodiment two scaffolds bottom one stepladder member;

Accompanying drawing 14 is looked schematic diagram for the master of embodiment three scaffolds bottom one stepladder member;

Accompanying drawing 15 is looked schematic diagram for the right side of accompanying drawing 14.

In the above accompanying drawing: 1, scaffold; 2, scaffold frame; 3, scaffold pedal; 5, column; 6, foot-operated whippletree; 7, ladder element; 8, ladder framework; 9, support cant beam; 10, cross bar; 11, feet; But whippletree is ridden in 15 foldings; 16, access; 17, hinged seat; 18, embedding seat; 19, assembly wall; 20, fixation wall; 23, diapire; 24, sidewall; 26, bearing pin; 26a, bearing pin; 27, nut; 29, fixed leg; 30, fixing hole; 33, connecting rod; 35, fastening devices; 36, supporting pieces; 37, transverse axis; 38, locating stop piece.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described:

Embodiment one: shown in accompanying drawing 1～4, a kind of scaffold 1, mainly form by scaffold frame 2 and scaffold pedal 3, the structure of above-mentioned scaffold frame 2 is: by two columns 5 about evenly spaced several (have in the legend 4 with 3) foot-operated whippletree 6 is connected on above-below direction, the ladder element 7 of formation rectangular frame shape; With four such ladder element ladder framework 8 that chimeric composition stands vertically about in the of 7; Again two such ladder framework 8 front and back are established relatively, connect both to support cant beam 9 and cross bar 10, thereby the space framework of forming is scaffold frame 2.Above-mentioned scaffold pedal 3 can set up between foot-operated whippletree 6 relative on the suitable height.And, being tiltedly installed with feet 11 in the bottom of scaffold 1 below outwards, these feets 11 can be to each column 5 side folding of foot.

Constitute the above-mentioned column 5 of ladder element 7 and foot-operated whippletree 6 and be axle center material such as metal rounding pipe and make, available electric welding, solid tool or joint etc. are connected and fixed.

Shown in accompanying drawing 5～10, but respectively be provided with the foot-operated whippletree 15 of a folding on the ladder element 7 of one section of a pair of ladder framework 8 bottom, on ladder element 7, form inlet 16 thus.But after opening the foot-operated whippletree 15 of folding, can enter scaffold 1 inside, but can utilize foot-operated whippletree 6 on the ladder element 7 and the foot-operated whippletree 15 of folding to climb up on the scaffold 1 and return from the inboard of scaffold 1 by the access 16 on the one stepladder member 7 of bottom.But the foot-operated whippletree 15 of folding is connected between two columns 5 of bottom one stepladder member 7 with hinged seat 17 and embedding seat 18.

One column, 5 positions of hinged seat 17 and embedding seat 18 and bottom one stepladder member 7 all are that relative shape distributes.Above-mentioned hinged seat 17 is made of a pair of assembly wall 19, a fixation wall 20 and a bearing pin 26, a pair of assembly wall 19 is connected with 20 one-tenth of fixation wall " Contraband " shape, fixation wall 20 outside (outside) becomes certain angle of inclination to be fixed on the heel post 5,19 of two assembly walls are across having set up bearing pin 26a, there to be certain angle between this bearing pin 26a and horizontal plane.Above-mentioned embedding seat 18 is " Contraband " shape structures of the upper end open that is made of a pair of sidewalls 24 and a diapire 23, and it is corresponding with hinged seat 17, and outwards (outside) becomes certain angle of inclination to be fixed on the opposite side column 5.

But the fixed end of the foot-operated whippletree 15 of folding inserts and is embedded between a pair of assembly wall 19 of hinged seat 17, but bearing pin 26 passes a pair of assembly wall 19 of hinged seat 17 and the fixed end of the foot-operated whippletree 15 of folding, is screwed with nut 27 on its end that passes.But the fixed end nationality of the foot-operated whippletree 15 of folding is by hinged seat 17, under the effect of bearing pin 26 and nut 27, can upwards rotate around bearing pin 26a, and, but the fixed end of the foot-operated whippletree 15 of folding and 19 of assembly walls or and bearing pin 26a between be tight friction fit, can keep motionless but can guarantee therefore that the foot-operated whippletree 15 of folding makes progress after the rotation.Bearing pin 26 (26a) tilts with hinged seat 17 the same outside belows, but whippletree 15 also outward-dipping certain angle when rotating is up and down ridden in folding like this, and the swinging end of whippletree 15 just can not bump against with the foot-operated whippletree 6 of upside when upwards rotating like this.

Be fixed with on the diapire 23 of embedding seat 18 and connect fixed leg 29 up and down, insert chimeric fixing hole 30 but have on the swinging end of the foot-operated whippletree 15 of folding with fixed leg 29.But folding is ridden whippletree 15 when bearing pin 26a rotates, the swinging end of whippletree 15 inserts between the pair of sidewalls 24 of embedding seat 18, touch mutually with diapire 23, fixed leg 29 inserts in the fixing hole 30, but the foot-operated whippletree 15 of folding is being connected on the horizontal level between two columns 5 like this.

Use is: when stepping on scaffold 1, but but with the foot-operated whippletree 15 of folding around bearing pin 26a upwards rotate will folding ride whippletree 15 and open after, enter scaffold 1 inside by the access 16 of the ladder element 7 of one section of bottom.At this moment, shown in dotted line in Fig. 5～7, but the foot-operated whippletree 15 of folding outward-dipping certain angle when rotating, but the swinging end of the foot-operated whippletree 15 of folding is in the outside of the foot-operated whippletree 6 of upside after upwards rotating, avoided riding the collision of whippletree 6, but the foot-operated whippletree 15 of folding also can keep motionless after rotation in addition with upside.Therefore but the operator neither needs to ride whippletree 15 with the folding that hand rest is lived after upwards rotating, and does not also need to hold up in case it falls down suddenly with have gentle hands, can enter scaffold 1 inside by access 16 comfortablely.After entering scaffold inside, but the foot-operated whippletree 15 of folding is rotated around bearing pin 26a, but the swinging end of the foot-operated whippletree 15 of folding inserts between the pair of sidewalls 24 of embedding seat 18, touch mutually with diapire 23, fixed leg 29 inserts fixing hole 30 simultaneously, but the foot-operated whippletree 15 of folding is being connected on the horizontal level between two columns 5 like this.Thus, but can utilize foot-operated whippletree 6 and the foot-operated whippletree 15 of folding on the ladder element 7 easily to climb up scaffold 1 upside from the inboard of scaffold 1.When scaffold 1 gets off, but can utilize foot-operated whippletree 6 and the foot-operated whippletree 15 of folding on the ladder element 7 to return in the inboard of scaffold 1.As aforementioned but upwards rotating opening of whippletree 15 is ridden in folding then, come out to scaffold 1 outside by the access 16 of bottom one stepladder member 7.At last but the foot-operated whippletree 15 of folding is rotated, it is connected between two columns 5.

But when opening the foot-operated whippletree 15 of folding, but the foot-operated whippletree 15 of folding can be outwards whole not outstanding, whippletree 15 can rotate up and down, makes the access not require the surrounding space size, even but be in the foot-operated whippletree 15 of its folding of narrow and small place, space and also can easily carry out folding.And, in turnover scaffold 1, but do not need to live the foot-operated whippletree 15 of folding, even hold weight or bulky items also can be passed in and out smoothly by the access with hand rest.

Embodiment two: shown in accompanying drawing 11～13, a kind of scaffold 1 mainly is made up of scaffold frame 2 and scaffold pedal 3, is with the difference of embodiment one: but the ladder element 7 of one section of its bottom is interval with the foot-operated whippletree 15 of two foldings on above-below direction.But foot-operated whippletree 15 structures of these two foldings are described the same with embodiment one, be connected in hinged seat 17 and embedding seat 18 between the column 5 of bottom one stepladder member 7, when avoiding rotating and the foot-operated whippletree 6 of upside bump against, but foot-operated whippletree 15 outward-dipping certain angles of folding and can rotating up and down.But the middle part of the foot-operated whippletree 15 of these two foldings links to each other with connecting rod 33, but so the foot-operated whippletree 15 of these two foldings when rotating up and down, form interlock.Other are all identical with embodiment one, repeat no more here.

Embodiment three: shown in accompanying drawing 14,15, a kind of scaffold 1, mainly form by scaffold frame 2 and scaffold pedal 3, be with the difference of embodiment one: but the fixed end of the foot-operated whippletree 15 of folding is installed on the heel post 5 and can rotates up and down, but the swinging end and 5 chimeric linking to each other of opposite side column of the foot-operated whippletree 15 of folding bump against with the foot-operated whippletree 6 of upside when avoiding rotating, but folding is ridden whippletree 15 outward-dipping certain angles and also can be rotated up and down.In that but foot-operated whippletree 15 is provided with fastening devices 35 in the swinging end position under the open mode upwards corresponding to folding on the ladder element 7, swinging end is upwards cooperating the location with this fastening devices 35 under the open mode, but promptly keeps the attitude of opening of the foot-operated whippletree 15 of folding by fastening devices 35.Concrete fastening devices 35 is formed by the supporting pieces 36 that projects upwards on the foot-operated whippletree 6 of upside with around the locating stop piece 38 that transverse axis 37 rotates for rotating blocked flake type.The scope that location washer 38 rotates around transverse axis 37 contacts with the foot-operated whippletree 6 of upside with location washer 38 and exceeds, location washer 38 is when transverse axis 37 rotates, between the retreating position B that its slewing area is taken at the final position A outwards outstanding from foot-operated whippletree 6 with to the inboard of foot-operated whippletree 6.When but the foot-operated whippletree 15 of folding was upwards rotated, location washer 38 was in final position A, located the fixed-site that washer 38 is about to foot-operated whippletree 15 this moment.

Under this user mode, but the foot-operated whippletree 15 of folding keeps its attitude constant under the effect of fastening devices 35, during by access 16 turnover of ladder element 7, but do not need to live the foot-operated whippletree 15 of folding after upwards rotating, even hold weight or bulky items also can be passed in and out smoothly by access 16 with hand rest.Other repeats no more here with embodiment one.

The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims (6)

1, a kind of scaffold comprises scaffold frame [2] and scaffold pedal [3], and scaffold frame [2] is the frame rod structure that is formed by connecting by cross bar [10] by the ladder element [7] that at least two front and back are oppositely arranged; Each ladder element [7] is made of left and right pillar [5] and the several foot-operated whippletree [6] that is connected between two columns [5] again; In each ladder element [7], have a ladder element [7] at least but be provided with folding and ride whippletree [15], form scaffold [1] access with this; It is characterized in that: but an end of the foot-operated whippletree [15] of described folding is a fixed end, and it is hinged on the heel post by the bearing pin [26] that is provided with along fore-and-aft direction, can swing up and down around bearing pin with this whippletree [15]; It is swinging end that but the other end of whippletree [15] is ridden in folding, and it is by embedding seat [18] and chimeric connection of this heel post [5] on the opposite side column [5].

2, scaffold according to claim 1, it is characterized in that: described bearing pin [26] is convexly equipped with on column [5] inboard, leave spacing between bearing pin [26] and column [5], upwards leaning on column [5] inboard to column [5] inclination under the open mode but make folding ride whippletree [15] with this.

3, scaffold according to claim 1, it is characterized in that: described ladder element [7] but go up corresponding to the foot-operated whippletree [15] of folding and be provided with fastening devices [35] in the swinging end position under the open mode upwards, swinging end is upwards cooperating the location with this fastening devices [35] under the open mode.

4, according to claim 1,2 or 3 described scaffolds, it is characterized in that: but the foot-operated whippletree [15] of described folding is upwards tilting to the outside or the inboard of ladder element [7] under the open mode.

5, according to claim 1,2 or 3 described scaffolds, it is characterized in that: but the fixed end of the foot-operated whippletree [15] of described folding links to each other with a heel post [5] by a hinged seat [17], this hinged seat [17] is made of a pair of assembly wall [19], a fixation wall [20] and a bearing pin [26], a pair of assembly wall [19] becomes " Contraband " shape to be connected with fixation wall [20], fixation wall [20] is fixedlyed connected with a heel post [5], between two assembly walls [19] across having set up bearing pin [26].

6, according to claim 1,2 or 3 described scaffolds, it is characterized in that: described embedding seat [18] is " Contraband " shape structure by the upper end open of pair of sidewalls [24] and a diapire [23] formation, it is fixed on the heel post [5], but its upper end open is corresponding with the swinging end of the foot-operated whippletree [15] of folding.

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