CN2185789Y

CN2185789Y - Ladder

Info

Publication number: CN2185789Y
Application number: CN 93235812
Authority: CN
Inventors: 谢锡安
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-30
Filing date: 1993-12-30
Publication date: 1994-12-21
Anticipated expiration: 2003-12-30

Abstract

The utility model relates to a working ladder structure, which comprises two ladder frames whose middle is provided with a plurality of transverse rods in an equidistant mode. The two ladder frames and the transverse rods are connected and pivoted into one body by pivoted rod members; positioning connecting rods are pivoted at the two sides and are used as the opening definition of the two ladder frames. The working ladder can be used for pedaling and climbing. The utility model is characterized in that the plurality of equidistant transverse rods of the ladder frame are pivoted and contained in n-shaped supporting posts at the two sides; the central junction ends are pivoted with a shaft rod. The working ladder can do the actuation of concave fold and support stand by the linkage of the shaft rod. A pedal which is foldable and is crossed over the other ladder frame for pedaling is pivoted at the top transverse rod portion of the ladder frame; the working ladder is made to be condensed or folded into a long type cylinder, and has small space and convenient carrying and transportation.

Description

Ladder

The utility model is about a kind of working stand, refers to especially a kind ofly can not take up space that collapsible then the expansible support is upright when folding into the convenient band carrying of a microscler cylinder, work surely establishes firm working stand structure.

Existing work ladder extensively generally is used for such as industry-by-industries such as paint, water power, indoor decorations, and the assistance work of handling of need climbing to a higher point can be finished smoothly; On the whole its general structure goes up promptly as shown in figure 10, system is pivoted by two corresponding ladders 11,12 and forms, this ladder 11 is two parallel opposition and the bottom is assembled with the pillar 112 of on-slip rubber cushion 111, equidistantly be installed with many cross bars 113 at two intercolumniations, and be integrated with ladder 12 corresponding pivots by the boundary end 114 on top, and two ladders, 11,12 other being pivoted are come the firm terraced body of boundary with positioning linkage rod 13; Its facility place is that this ladder body Zhang Like forms the triangle ladder of firmly surely establishing, and then becomes a long rectangle ladder after amounting to and is beneficial to carry and moves.

Show more easily carrying though be converted into long cuboid by the working stand of above-mentioned member, right its still has suitable body area, and ladder is a steadiness of asking frame upright, the ladder end much larger than terraced top width degree and longer ladder difference more so it, always feel to lift during in this way to the transport operation of this ladder body not smoothly and inconvenience such as take up space, therefore how to improve the structure of working stand, make it be converted into minimum volume and be beneficial to carrying to be the problem that remains to be solved.

The purpose of this utility model provides a kind of working stand structure, and it can fold into the ladder folded body one microscler cylinder effectively, makes it seldom to take up space and more convenient carrying.

The utility model provides a kind of working stand, comprise two ladders, two ladder top ends close bar binding pivot by pivot and are integrated, the centre of each ladder equidistantly sets up many cross bars, and two ladder sides are pivoted with the positioning linkage rod that defines as the first transaction of a day's business of two ladders, it is characterized in that: equidistant many cross bar pivots of this ladder close and are placed in the ㄇ shape pillar of both sides, and central authorities have a common boundary to hold with an axostylus axostyle and are articulated, the moving up and down of axostylus axostyle drives cross bar and does recessed folding or the upright action of support, and it is one collapsible and be cross-placed on another ladder for stepping on upright pedal that cross bar place, ladder top pivot has closed.

For technological means and the creation purpose that the utility model is used is easy to understand, conjunction with figs. and figure number are described in detail as follows now:

Fig. 1 is the schematic appearance of the utility model;

Fig. 2 is the ladder structural upright exploded view of the utility model;

Fig. 3 is the pedal structure schematic diagram of the utility model;

Fig. 4 is that the pedal side of the utility model is analysed and observe and illustrative view;

Fig. 5 is that the pedal of the utility model is embedded at ladder protruded stigma schematic diagram;

Fig. 6 is the upright structure front elevation drawing of the frame of the utility model working stand;

Fig. 7 is the side-looking and the actuating schematic diagram of the utility model working stand;

Fig. 8 be the utility model working stand fold forward sight and illustrative view;

Fig. 9 is the retracting structure lateral view of the utility model working stand;

Figure 10 sees structural representation outside the existing working stand.

At first, see also shown in Figure 1, but the utility model mainly is made up of two

ladders

2,3 and pedal 4 that the phase pivot closes.

Ladder 2 sees also shown in Fig. 1 and 2, is parallel two arranged side by side ㄇ shape pillars 21, and it equidistantly sets up many perforations 211 and circular hole 212, and the bottom side sets firmly with on-slip rubber cushion 22 location, top and closes rod member 23 with pivot.Perforation 211 on these two pillars 21 is pivoted by rivet 241 and packing ring 242, can be placed in the ㄇ shape cross bar 24 on the pillar 21, the cross bar 24 of two corresponding cooperations can be closed by lug 243, the perforation 244 phase pivots of the end that has a common boundary, and each correspondence of end of having a common boundary is when being formed with half round cut 245 and opening terraced body in order to frame, and cross bar 24 can support axostylus axostyle 25.Behind many cross bar 24 phase builts, the axostylus axostyle 25 of tool perforation 251 is placed in half round cut 245 places, and penetrates through hole 261 on the sleeve pipe 26 below the cross bar 24, can rivet 252 through perforation 244,262,251 cross bar 25 being articulated rivet clasps be one.

Ladder 2 is put in the bottom side of upper and lower end cross bar 24 again and is adorned the seat 27 and pole 28 that is pivoted of bearing responsibility.These seat 27 top sides of bearing responsibility penetrate axostylus axostyle 25 by through hole 271, and an end of two poles 28 is hubbed at circular hole 212 places of pillar 21 by rivet 281, and the other end is combined in seat 27 places of bearing responsibility by rivet 282 through packing ring 272 pivots.These seat 27 overheads of bearing responsibility are in sleeve pipe 26 times, in order to the gravity of supplemental support cross bar 24.

Ladder 3, it is corresponding identical with ladder 2 structures, and closes rod member 31 and pivot by the top side pivot and close rod member 23 and two

ladders

2,3 are articulated become one, and opens the support boundary in 2,3 pairs of sides of two ladders positioning linkage rod 32 that is pivoted as terraced body.

Pedal 4 sees also shown in Fig. 1,3 and 4, and this pedal 4 is to be pivoted by 41,42,43 of left, center, right plate bodys to form, and wherein plate body 42 bottoms have biconvex ear 421, just can close elongated hole 441 places in pole 44 by rivet 422 pivots.The other end of pole 44 then is hubbed on axostylus axostyle 25 tops of ladder 2.These pedal 4 collapsible supports of also opening stand, and just in time are cross-placed on top cross bar 33 places of ladder 3; Respectively be formed with an embedded hole 411,431(as shown in Figure 5 on the left and right plate body 41,43), after amounting to, pedal 4 can be embedded on the set protruded stigma 213 in ladder 2 both sides.

Above-mentioned member is made up, see also shown in Fig. 1 and 6, the user only needs outwards to be opened by two lateral braces 21 of ladder 2 and support cross bar 24 that axostylus axostyle 25 bears responsibility to horizontal positioned, and positioning linkage rod 32 also supports and upright is suitably steadily angle to

ladder

2,3, spread pedal 4 again out and be cross-placed on top cross bar 33 places of ladder 3, this working stand can firmly be set up, and climbs the enforcement operation for the user.

When working stand is desired to fold, can consult shown in Figure 7ly, at first make progress cocked pedal 4(as shown in Figure 4), recessed again folding positioning linkage rod 32 also draws close two ladders, 2,3 closures.Continuous consulting shown in Fig. 8 and 9 slightly upwards removed axostylus axostyle 25 and to be carried, and makes all

cross bars

24,33 close ccontaining one-tenth one microscler cylinder to fovea superior is foldable.Continue it, the left and right plate body of pedal 4 41,43 is turned up towards side, and is fixed on the protruded stigma 213 of ladder 2 (as shown in Figure 5), promptly becomes one and seldom takes up space and the working stand of the carrying that is easy to carry.

The utility model also can be established at pillar 21 appropriate locations of ladder 2 and carry ear 291(as shown in Figure 1); move when folding with convenient working stand; and the upper end edge of ladder 3 also can be established retaining ring 292, bull point safeguard protection when being used for climbing up working stand and standing on the pedal 4 for the user.

Combination by above-mentioned member is implemented, the utility model working stand can firmly set up after support is stood in opening as can be known, come climbing work to implement to use for the user, and the microscler cylinder of the volume that can recessed foldable synthetic when not using seldom takes up space, the very convenient carrying in the user carried, and sound construction, simple to operate easy has solved the shortcoming that work on hand ladder structure takes up room greatly and carries trouble.

Claims

1, a kind of working stand, comprise two ladders, two ladder top ends close bar binding pivot by pivot and are integrated, the centre of each ladder equidistantly sets up many cross bars, and two ladder sides are pivoted with the positioning linkage rod of opening a business and defining as two ladders, it is characterized in that: equidistant many cross bar pivots of this ladder close and are placed in the ㄇ shape pillar of both sides, and central authorities have a common boundary to hold with an axostylus axostyle and are articulated, the moving up and down of axostylus axostyle drives cross bar and does recessed folding or the upright action of support, and it is one collapsible and be cross-placed on another ladder for stepping on upright pedal that cross bar place, ladder top pivot has closed.

2, working stand as claimed in claim 1, it is characterized in that this working stand also comprises: ladder, be parallel two ㄇ shape pillars arranged side by side, on it, equidistantly set up many perforations and circular hole, and the bottom side sets firmly an on-slip rubber cushion and the top is located a pivot and closed rod member, the perforation of this two pillar is pivoted by rivet and packing ring, can be placed in the ㄇ shape cross bar in the pillar, the cross bar of its two-phase corresponding matching can be by the lug of the end that has a common boundary, perforation phase pivot closes, and each correspondence of end of having a common boundary is formed with half round cut, cross bar can support the axostylus axostyle of bearing responsibility when opening terraced body in order to frame, and many cross bar phase builts are placed in the half round cut place by the axostylus axostyle of tool perforation, and penetrate through hole on the sleeve pipe under the cross bar, through perforation cross bar and axostylus axostyle being articulated rivet clasp with rivet is one; Again ladder put again in the bottom side of upper and lower end cross bar adorn one bear responsibility the seat and the pole that is pivoted, this top side of bearing responsibility is provided into axostylus axostyle by through hole, one end of two poles is hubbed at the circular hole place of pillar by rivet, in addition end is combined in the seat place of bearing responsibility by rivet through the packing ring pivot, this bear responsibility an overhead under sleeve pipe in order to the gravity of supplemental support cross bar;

The other positioning linkage rod that articulates of above-mentioned two ladder sides, the boundary that struts as terraced body;

Wherein, described pedal is pivoted by the left, center, right plate body and is formed, wherein dash forward and have the biconvex ear in the plate body bottom, just can close elongated hole place by the rivet pivot in pole, the end in addition of pole then is hubbed on the axostylus axostyle top of ladder, and the collapsible support of also opening of this pedal stands, and is cross-placed on the cross bar place, top of ladder, one embedded hole is respectively arranged on the left and right plate body, after pedal is amounted to, can nestedly be fixed on the set protruded stigma in ladder both sides.