CN202990824U

CN202990824U - Foldable ladder

Info

Publication number: CN202990824U
Application number: CN 201220748445
Authority: CN
Inventors: 周远飞
Original assignee: CHONGQING DUDAO BUILDING MATERIAL Co Ltd
Current assignee: CHONGQING DUDAO BUILDING MATERIAL Co Ltd
Priority date: 2012-12-31
Filing date: 2012-12-31
Publication date: 2013-06-12
Anticipated expiration: 2022-12-31

Abstract

The utility model discloses a foldable ladder, which comprises two parallel uprights, wherein a plurality of cross bars suitable for climbing are arranged between the two uprights in a traversing manner; each upright is formed by sequentially hinging a plurality of sub-uprights through hinges, and the positions of the hinges on the two uprights are correspond to each other, so that the ladder can be folded longitudinally; and each cross bar is formed by sequentially hinging at least two sub-cross bars through hinges, and the two ends of the cross bars are respectively hinged on the two uprights, so that the ladder can be folded transversely. Due to the foldable uprights and the cross bars, the ladder can be folded longitudinally and transversely, thus achieving a best folding effect of the ladder.

Description

Folded ladder

Technical field

The utility model relates to a kind of ladder, relates in particular to a kind of Collapsible ladder.

Background technology

Ladder is a kind of common life appliance, and it does the limit by two root posts, crosses scansorial cross bar in the middle of column, is used for climbing.

In the prior art, ladder has not collapsible in-line ladder, this ladder is not easy to storage and carrying, eliminated by market gradually, a kind of folding herringbone ladder is separately arranged, and this ladder can be folded, its storage and convenient in carrying, space shared after but this ladder is folding is still very large, and the climb altitude of this ladder is limited.

For the deficiencies in the prior art, the inventor has designed a kind of ladder of folding fully, the extensible one-tenth yi word pattern ladder of this ladder, and can be folded into the very little column that takes up room, use very convenient.

The utility model content

In view of this, the utility model provides a kind of folded ladder, this folded ladder can be folded into the various shapes such as yi word pattern, N font or M font, become the very little column that takes up room during its folding, solved that existing yi word pattern ladder is not easy to store and carrying and the folding of herringbone folding ladder after the still very large and limited problem of climb altitude that takes up room.

Folded ladder of the present utility model, comprise two columns that are set up in parallel, cross a plurality of scansorial cross bars in the middle of two root posts, each other by the first hinge hinged forming successively, the first mutual correspondence of hinge position on described two root posts makes the described ladder can be longitudinal folding to described column by a plurality of sub-columns; Each other by the second hinge hinged forming successively, the two ends of described cross bar are hinged on respectively and make the described ladder can be laterally folded on two root posts described cross bar by at least two sub-cross bars.

Further, described the first hinge comprises jack-post and latch, described jack-post and latch are fixedly installed on respectively the end of two sub-columns that are hinged, the end of described sub-column with latch is set on jack-post and can rotates around jack-post, be provided with a plurality of slots on the periphery of described jack-post, described latch can be inserted in slot in order to fix two angles between the sub-column that is hinged.

Further, described latch is spring catch.

Further, also comprise respectively with left and right two root posts on the detachable support rail that is connected of the first hinge.

Further, be provided with the groove that can hold described sub-cross bar on described column, can take in described groove after described sub-cross bar is folding.

Further, described the second hinge is hinge.

The beneficial effects of the utility model: folded ladder of the present utility model, comprise two columns that are set up in parallel, cross a plurality of scansorial cross bars in the middle of two root posts, each other by the first hinge hinged forming successively, the first mutual correspondence of hinge position on described two root posts makes the described ladder can be longitudinal folding to described column by a plurality of sub-columns; Each other by the second hinge hinged forming successively, the two ends of described cross bar are hinged on respectively and make the described ladder can be laterally folded on two root posts described cross bar by at least two sub-cross bars.Folded ladder of the present utility model not only can vertically repeatedly fold but also can be laterally folded, and taking up space after its folding reaches minimum, stores and carry very convenient.In addition, it vertically can be folded into the various shapes such as yi word pattern, N font or M font folded ladder of the present utility model, solved that existing yi word pattern ladder is not easy to store and carrying and the folding of herringbone folding ladder after the still very large and limited problem of climb altitude that takes up room.

Description of drawings

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

Fig. 1 is vertically fully folding rear perspective view of the utility model folded ladder;

Fig. 2 is the perspective view after the complete folding of the utility model folded ladder;

Fig. 3 is the perspective view after the utility model folded ladder is launched into the M font;

Fig. 4 is the perspective view after the utility model folded ladder is launched into herringbone;

Fig. 5 is the perspective view after the utility model folded ladder is launched into the N font;

Fig. 6 is the perspective view after the utility model folded ladder is launched into in-line;

Fig. 7 is the cross-sectional view of the first hinge in the utility model folded ladder;

Fig. 8 is the perspective exploded view of the first hinge in the utility model folded ladder.

The specific embodiment

Below with reference to accompanying drawing, the utility model is elaborated, as shown in the figure: folded ladder of the present utility model, comprise two columns that are set up in parallel 1, cross a plurality of scansorial cross bars 2 in the middle of two root posts, each other by the first hinge 12 hinged forming successively, the first hinge 12 mutual correspondences in position on described two root posts make the described ladder can be longitudinal folding to described column 1 by a plurality of sub-columns 11; Each other by the second hinge 22 hinged forming successively, the two ends of described cross bar 2 are hinged on respectively and make the described ladder can be laterally folded on two root posts 1 described cross bar 2 by at least two sub-cross bars 21.Described column 1 and cross bar 2 can be made by alloy material, wood materials or plastics.In this enforcement, the sub-column 11 of every root post 1 preferably is arranged to four, and the end of described four sub-columns 11 is hinged successively in twos; The sub-cross bar 21 of every cross bar 2 preferably is arranged to 2, described sub-cross bar 21 equal in length.For making the structure after folded ladder horizontal spreading of the present utility model more stable, folded ladder of the present utility model also comprise respectively with left and right two root posts on the first detachable support rail that is connected 124 of hinge 12, the two ends of described support rail 124 can be threaded with two of left and right the first hinge 12, support rail 124 can be unloaded when laterally folded to get final product.Folded ladder of the present utility model not only can vertically repeatedly fold but also can be laterally folded, and taking up space after its folding reaches minimum, stores and carry very convenient.In addition, it vertically can be folded into the various shapes such as yi word pattern, N font or M font folded ladder of the present utility model, solved that existing yi word pattern ladder is not easy to store and carrying and the folding of herringbone folding ladder after the still very large and limited problem of climb altitude that takes up room.

As further improvement in the technical proposal, described the first hinge 12 comprises jack-post 121 and latch 122, described jack-post 121 and latch 122 are fixedly installed on respectively the end of two sub-columns 11 that are hinged, the end of described sub-column 11 with latch 122 is set on jack-post 121 and can be around jack-post 121 rotation, be provided with a plurality of slots 123 on the periphery of described jack-post, described latch 122 can be inserted in slot 123 in order to fix two angles between the sub-column 11 that is hinged.The first hinge 12 that employing has the angle locking function makes folded ladder of the present utility model can fold out as required as various shapes such as in-line, M font, N fonts.

As further improvement in the technical proposal, described latch 122 is spring catch.Described spring catch is by the interior spring 125 that is provided with.When folding, pull spring catch to make it to spin off from slot 123, then adjust the angle between two sub-columns, then the retracting spring pin, described spring catch reinserts in slot 123 under the effect of spring force, and then locks the angle between sub-column.The technology maturation of spring catch, simple in structure, be easy to promote.

As further improvement in the technical proposal, be provided with the groove 13 that can hold described sub-cross bar 21 on described column 1, can take in described groove 13 after described sub-cross bar 21 is folding.One end of described sub-cross bar 21 can be hinged by an end of pin and groove 13, and described sub-cross bar 21 can and enter into groove 13 fully around the pin joint rotation of itself and groove 13.The groove 13 that can hold sub-cross bar 21 is set, makes the floor space after folded ladder of the present utility model folds less, and more be convenient to storage and the carrying of ladder.

As further improvement in the technical proposal, described the second hinge 11 is hinge.Hinge has simple in structure, low cost and other advantages.

Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims

1. folded ladder, comprise two columns that are set up in parallel (1), cross a plurality of scansorial cross bars (2) in the middle of two root posts, it is characterized in that, each other by the first hinge (12) hinged forming successively, the mutual correspondence in the first hinge (12) position on described two root posts makes the described ladder can be longitudinal folding to described column (1) by a plurality of sub-columns (11); Each other by the second hinge (22) hinged forming successively, the two ends of described cross bar (2) are hinged on respectively and make the described ladder can be laterally folded on two root posts (1) described cross bar (2) by at least two sub-cross bars (21).

2. folded ladder according to claim 1, it is characterized in that: described the first hinge (12) comprises jack-post (121) and latch (122), described jack-post (121) and latch (122) are fixedly installed on respectively the end of two sub-columns (11) that are hinged, it is upper and can rotate around jack-post (121) that the end of described sub-column (11) with latch (122) is set in jack-post (121), be provided with a plurality of slots (123) on the periphery of described jack-post, described latch (122) can be inserted in slot (123) in order to fix two angles between the sub-column (11) that is hinged.

3. folded ladder according to claim 2, it is characterized in that: described latch (122) is spring catch.

4. folded ladder according to claim 3 is characterized in that: also comprise respectively with left and right two root posts on the detachable support rail that is connected of the first hinge (12) (124).

5. according to claim 1-4 described folded ladder of any one, it is characterized in that: be provided with the groove (13) that can hold described sub-cross bar (21) on described column (1), can take in described groove (13) after described sub-cross bar (21) is folding.

6. folded ladder according to claim 5, it is characterized in that: described the second hinge (22) is hinge.