CN2111689U

CN2111689U - Ladder-like chair

Info

Publication number: CN2111689U
Application number: CN 92202979
Authority: CN
Inventors: 詹生杰
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-02-20
Filing date: 1992-02-20
Publication date: 1992-08-05

Abstract

The utility model relates to a multi-purpose ladder-like chair, which is mainly composed of a front chair and a back chair which is hinged with the front chair, wherein, one side of the back chair is hinged with a tunable seat board, and chair feet of one side of a backrest of the back chair are respectively provided with rollers. In the normal condition, the chair can be sit on, when the indoor uphill is needed, only the backrest needs to be grasped by hands to cause the back chair to turn over 180 DEG around the front chair to cover the front chair inversely; thus, the seat board is in a pendency state, and the chair is changed into a ladder. The utility model overcomes the difficulties and the inconvenience of the uphill work as the indoor uphill fetching of general households, the replacement of the lighting fitting, etc., and also is the good co-worker for the arranging and the fetching of the goods by the workmen in shops or depots.

Description

Ladder-like chair

The utility model relates to a kind ofly can make the terraced chair that upright ladder, chair, shelf are used.Its primary structure feature is by preceding chair and can form around the back chair two large divisions of preceding chair Rotate 180 °.

85200578 multipurpose ladder chair a kind of application number is disclosed in Chinese utility model patent communique is.Though but many usefulness such as this terraced chair chair, ladders, structure is unreasonable; Use, because seat be two half hinges up and down, terraced time spent poor stability, and the seat leg adopts extension tubing interpolation type structure, and the security reliability of terraced chair can not be guaranteed fully, makes the manufacturing process complexity on the contrary, lack tourelle again when moving use, seem heavy and inconvenient.

The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of multifunctional ladder chair rational in infrastructure, easy to use is provided.

The purpose of this utility model can reach by following measure: by the chair leg, can revolve a kind of terraced chair that backrest, seat board three parts are formed; Its chair shank divides by preceding chair 1 and with the hinged back chair 2 of preceding chair 1 and forms, the side of preceding chair 1 is a right-angled trapezium, the right-angled trapezium middle part is welded with one-level foot-operated 9 near a side of hypotenuse, the top of right-angled trapezium is two extremely foot-operated 10, the side of back chair 2 is that a chamfer is trapezoidal, the angle of its hypotenuse and upper base and preceding chair 1 right-angled trapezium hypotenuse are 180 ° with the angle sum of going to the bottom, at the trapezoidal middle part of chair 2 side chamfers, back, one side of close hypotenuse is welded with three grades and rides 11, and the trapezoidal end of chamfer is a level Four foot-operated 12.Can revolve backrest 4 by 5 break-through of backrest rotating shaft, and rivet with the steel pipe on chair 2 backrest both sides, back.One side of seat board 3 is hinged on the chair 2 of back by seat board hinge 8, and can rotate freely.Preceding chair 1 top one side is hinged as a whole with brace 7 with top one side of back chair 2.

On the chair leg of back chair 2 chair back one side, trundle 6 is housed respectively.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the utility model chair time spent schematic side view.

Fig. 2 serves as ladder time spent dynamic process schematic side view for the utility model with the chair upset.

Schematic side view when Fig. 3 is the utility model ladder usefulness or other purposes.

Wherein:

Chair behind the chair 2--before the 1--

3--seat board 4--backrest

The 5--backrest leads to axle 6--trundle

7--brace 8--seat board hinge

The foot-operated 10--secondary of 9--one-level is foot-operated

Three grades of foot-operated 12--level Four of 11--are foot-operated

Embodiment: the 5th part of the utility model specification constitutes an embodiment of terraced chair.Square tube (or the garden pipe) seam that material selection is generally made folding seat forms.As Fig. 1--shown in 3.It divides preceding chair 1 and back chair 2 two large divisions, and one in the forward and backward chair is welded with 3--4 root steel pipe to level Four is foot-operated, also can adorn with plank or steel plate etc. on steel pipe is foot-operated.The backrest of back chair 2 can rotate, the stressing conditions when doing the ladder use according to terraced chair, and the rotating shaft 5 on the backrest 4 is by the cold-drawn wire rod break-through backrest central authorities of diameter phi 5--6mm and the backrest steel pipe riveted on chair 2 both sides, back.Seat board 3 is hinged on the chair 2 of back, and forward and backward chair falls angle, a α garden at two trapezoidal tops in conjunction with the position, so that upset flexibly.Hinged in its side then with brace 7.At this moment terraced chair is a chair, as Fig. 1.When needs are ascended a height, only need catch the chair back that back chair upset 180 ° (as Fig. 2) is tipped upside down on before on the chair 1 as Fig. 3, at this moment seat board 3 is overhang, chair just becomes the steel pipe ladder that can ascend a height.The ladder height is 2 times of chair height.For moving conveniently, to carry on the back at back chair 2 arm-chairs on the bottom chair leg of a side and adorn a roller 6 respectively, it can be general rubber tire, also can be commercially available various universal wheels.Only need catch the chair back to pull away when moving gets final product.

The utility model has the advantage of: first is simple in structure, easily manufactured, saved the intubate stretching structure, safe and reliable; The second, because terraced chair adopts forward and backward chair two parts hinged as a whole, the ladder time spent, chair 2 back-offs get final product in front chair 1 after the upset, and chair 2 is equipped with two rollers 6 afterwards, and are mobile also very convenient.

Claims

1, a kind of terraced chair, by the chair leg, can revolve backrest, seat board three parts are formed, it is characterized in that: the chair shank divides by preceding chair 1 and with the hinged back chair 2 of preceding chair 1 and forms, the side of preceding chair 1 is a right-angled trapezium, the right-angled trapezium middle part is welded with one-level foot-operated 9 near a side of hypotenuse, the top of right-angled trapezium is a secondary foot-operated 10, the side of back chair 2 is that a chamfer is trapezoidal, the angle of its hypotenuse and upper base and preceding chair 1 right-angled trapezium hypotenuse are 180 ° with the angle sum of going to the bottom, at the trapezoidal middle part of chair 2 side chamfers, back, one side of close hypotenuse is welded with three grades and rides 11, and the trapezoidal end of chamfer is a level Four foot-operated 12; Can revolve backrest 4 rivets by 5 break-through of backrest rotating shaft and with the steel pipe on chair 2 backrest both sides, back; One side of seat board 3 is hinged on the chair 2 of back by seat board hinge 8, and can rotate freely; Preceding chair 1 top one side is hinged as a whole with brace 7 with top one side of back chair 2.

2, terraced chair according to claim 1 is characterized in that: on the chair leg of back chair 2 chair back one side trundle 6 is housed respectively.