CN2206580Y

CN2206580Y - Chair cabable of hand drawing wheel

Info

Publication number: CN2206580Y
Application number: CN 94214479
Authority: CN
Inventors: 江健一
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-07
Filing date: 1994-06-07
Publication date: 1995-09-06
Anticipated expiration: 2004-06-07

Abstract

The utility model relates to a chair capable of hand drawing cart. The ear base of a cushion is provided for pivoting a pivoting element and a yoke, and shaft holes are provided for connecting the pivoting element and a back frame. The back frame is provided with a cross rod for holding a back cushion with a clamp, the back cushion can be used by the clamp to rotate a proper angle winding the cross rod, and the bottom end of the back cushion can be folded to a proper angle for pivoting a cross shaft. The cross shaft is combined with the wheels, and the fork is pivoted in an X shape by the pivoting element through a long rod and a short rod. One end of the long rod of the fork is pivoted at the ear base, and the other end can be served as the leg of the chair. One end of the short rod can be supported on the upper wall of the cushion, and the other end can be served as the leg of the chair. A hook can be hooked in the positioning hole of the cushion, and the cushion is provided with a plurality of buckling blocks which can clamp the fork.

Description

Chair cabable of hand drawing wheel

The utility model relates to the chair that a kind of energy is used when hand buggy.

Chair such as the existing Taiwan patent application of applying for No. 78209825 " multifunctional chair " of the applicant that existing energy is used when hand buggy, by cushion, back pad, the forward foot in a step, the rear foot, telescoping tube constitutes, utilize telescoping tube flexible in pipe, make the forward foot in a step and the rear foot become to intersect setting, and make forward foot in a step upper end can withstand on position-arresting key, form one and open chair, or the forward foot in a step becomes smaller size smaller with rear foot folding, and rear foot lower end underfooting end action forward, rear foot upper end and tube connector and telescoping tube are concealed in pipe, forward foot in a step foot is entrapped in the restriction casket of pipe both sides, back pad is lifted into a carrier.And for example, the Taiwan patent application of the inventor No. 80207114 " multifunctional chair " is made of seat cushion, back pad, the forward foot in a step, the rear foot, utilizes forward and backward pin to be the X-shaped intersection and launches, and be stuck in preceding inside casing under the seat cushion with the upper end of the rear foot, to form an open chair; Seat cushion is raised, made the collapsible one-tenth of forward and backward pin one plane, and forward and backward pin is fixed, form a smaller size smaller by transverse slat; Or the pin of the forward foot in a step stretched, seat cushion is raised, and can constitute baggage train.The Taiwan patent application of the applicant No. 80207115 " multifunctional chair " for another example, by seat cushion, underframe, preceding foot rest, members such as rear leg constitute, the foot rest upper end can be entrapped in the fastening card of holding after a while the seat cushion bottom side before utilizing, before making, rear leg can be X-shaped and intersect to support seat cushion, form a chair for people's seating, and preceding foot rest upper end can be separated with the seat cushion fastening piece, the foot rest folding becomes the in-line shape approximately before making, and combine pin according to rear leg with underframe and rotate, connecting rod is stuck on the holder in the forward foot in a step, underframe is extended, and prop up with the wheel of ear seat and to be held in ground, form baggage train.But the chair that above-mentioned energy is used when hand buggy also has comfortable and small and exquisite inadequately shortcoming, and luggage carrier is big more, and its wheel diameter is relatively also big more, and luggage is overhead also high more, can rock during carrying, increases rollover risk, stacks the space and also reduces.

The purpose of this utility model is to provide a kind of energy to work as the chair that hand buggy is used.

The purpose of this utility model is to realize like this, the chair that promptly provides a kind of energy to use when hand buggy, it comprises: cushion, it articulates with the end of ear seat for crotch stock group, articulate back of the body frame with axis hole for pivot connecting element, the cushion bottom has cramp to lean for an end of crotch quarter butt; Crotch is made the X-shaped pivoted body with two group leaders, quarter butt by pivot connecting element, and stock one end is articulated in the ear seat of cushion, and the other end can constitute the pull bar of pin or hand buggy, and quarter butt one end can rely on the cramp of cushion, and the other end can be connected to ground and form pin; Back of the body frame is articulated in by pivot connecting element in the axis hole of cushion, and establishes wheel on a transverse axis, and wheel can be connected to ground; Cushion has locating hole, and crotch has hook, and hook can be buckled in the locating hole of cushion; Several snapping pieces are arranged at the cushion bottom, but make the bar snaps into position of crotch; Back of the body frame has cross bar to hold with clip for a back pad, and back pad can borrow clip to rotate suitable angle around cross bar.

Advantage of the present utility model is, it provides a kind of improved structure for the chair that can work as hand buggy and use, and it makes simple, and chair has better fastening structure when being varied to hand buggy or folding, makes it can be really by intact location after variation; The back pad of chair also can be rotated around support bar, make face upward by the person comparatively comfortable.In addition, when factory makes, can make the wheel that varies in size on demand, obtain firm, safe hand buggy.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model chair;

Fig. 2 is the side view of the utility model chair;

Fig. 3 is a change procedure schematic diagram among Fig. 2;

Side view when Fig. 4 is a hand buggy state of the present utility model;

Fig. 5 is a 5-5 line cutaway view among Fig. 4;

Rearview when Fig. 6 is folded into smaller size smaller for the utility model chair;

Fig. 7 is another embodiment of the utility model hand buggy among Fig. 4.

See also shown in Figure 1ly, chair of the present utility model comprises members such as cushion 1, crotch 2, back of the body frame 3.

But cushion 1 is connected with crotch 2 by pivot connecting elements 12 such as one group of ear seat 11 supply and marketing, axles, and other one group of axis hole 13 connects back of the body frame 3 for pivot connecting elements such as axle, screw rod 14; Cushion 1 itself has locating hole 15, and this locating hole 15 can be for hook 21 snappings of crotch 2, and cushion 1 has several snapping pieces 16, and snapping piece 16 can supply crotch 2 buckles.

Crotch 2 is connected with 22 one-tenth X-shaped shapes of pivot connecting element by two groups of bars, wherein one group of bar is longer, another group pole length is shorter, be articulated on the ear seat 11 of cushion 1 for pivot connecting element 12 with hole 23 by its end than stock, but than the in addition end apical grafting of stock in ground, form and support pin, or be the pull bar of hand buggy, another is organized than quarter butt, one end can withstand on the cramp 17 of cushion 1 bottom, the other end then can be connected to ground, forms another and supports pin, and this is organized than quarter butt, be provided with hook 21 by appropriate location, hook 21 can be buckled in the locating hole 15 of cushion 1, makes crotch when folding, can be located really, when crotch is folded, can be held in the snapping piece 16 of cushion 1 by the bar of this length, make after crotch 2 foldings location really, not have the danger of loosing and taking off.

Back of the body frame 3 is articulated in the axis hole 13 of cushion 1 for pivot connecting element 14 with hole 31, back of the body frame 3 has a cross bar 32 can supply back pad 33 with clip 34 clips, and clip 34 clips also can rotate cross bar 32 behind cross bar 32, back pad 33 can make seating person realize comfortable facing upward by rotation, and the effect that is adjusted to comfortable angle is arranged; Back of the body frame 3 bottoms are converted into suitable angle, and articulate a transverse axis 35, and wheel 36 is arranged on the transverse axis 35, and the element 37 that is positioned is fixing, when 36 diameter is taken turns in conversion on demand, can pull down setting element 37, changes wheel 36, makes the wheel kiss the earth.

See also shown in Figure 2ly, it dresses up the situation of chair for the utility model, and it utilizes crotch 2 to form X-shapeds to open, be connected to ground with an end, the other end one is articulated on the ear seat 11 by pivot connecting element 12, and one withstands on the cramp 17 of cushion 1, and back of the body frame 3 is upright by pivot connecting element 14, with 1 one-tenth appropriate subtended angle of cushion, back pad 33 leans against on the back pad 33 for seating person back, owing to can borrow clip 34 around cross bar 32 rotations, therefore, the low-angle that back pad 33 can have rotates, and seating person can comparatively cosily be faced upward lean on.

See also shown in Fig. 3,4, it becomes the situation of hand buggy for the utility model chair, it lifts off the upper end than quarter butt of crotch 2 cramp 17 of cushion 1 earlier, and make this crotch 2 by folding, make the stock movable end lift receipts towards the preceding extreme direction of cushion 1, and hook 21 is snapped in the locating hole 15 of cushion 1, and reaching the snapping piece 16 that is entrapped in cushion 1 with long and short bar, it promptly forms a hand buggy (shown in Fig. 4,5).This hour wheel 36 is than minor diameter, and there is less gradient back of the body frame 6 bottoms.

See also shown in Figure 6, when chair or hand buggy are desired to be varied to smaller size smaller, hand buggy as shown in Figure 5,2 pairs of cushions 1 of its crotch are done the rotation of different directions, smaller size smaller are arranged after making its folding.

See also shown in Figure 7ly, when wheel during 36 enlarged diameter, factory can be changed to the bottom of back of the body frame 3 than wide-angle, and bearing wheel 36 transverse axis 35 are strengthened with ground distance, and therefore, back of the body frame 3 carrier centers of gravity are also comparatively approaching with ground.

The utility model simple structure can be located preferably by hook, snapping piece 16, and its back pad 33 can be done suitable angular turn to cross bar 32, and the occupant is comparatively comfortable.The frame carrier ground proximity of trying one's best is carried on the back by changing high back of the body frame oblique angle, just can making simply by factory.

Claims

1, a kind of energy is worked as the chair that hand buggy is used, and comprising:

Cushion, it articulates with the end of ear seat for crotch stock group, articulates back of the body frame with axis hole for pivot connecting element, and the cushion bottom has cramp to lean for an end of crotch quarter butt;

Crotch is made the X-shaped connector with two group leaders, quarter butt by pivot connecting element, and stock one end is articulated in the ear seat of cushion, and the other end can constitute the pull bar of pin or hand buggy, and quarter butt one end can rely on the cramp of cushion, and the other end can be connected to ground and form pin;

Back of the body frame is articulated in by pivot connecting element in the axis hole of cushion, and establishes wheel on a transverse axis, and wheel can be connected to ground;

It is characterized in that: cushion has locating hole, and crotch has hook, and hook can be buckled in the locating hole of cushion; Several snapping pieces are arranged at the cushion bottom, but make the bar snaps into position of crotch; Back of the body frame has cross bar to hold with clip for a back pad, and back pad can borrow clip to rotate suitable angle around cross bar.

2, the chair used when hand buggy of energy as claimed in claim 1 is characterized in that it articulates the back of the body frame bottom of transverse axis, flexiblely is converted into suitable angle, to change cross bar and ground distance.