CN203207572U

CN203207572U - Folding chair

Info

Publication number: CN203207572U
Application number: CN 201320199272
Authority: CN
Inventors: 李玉生
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-19
Filing date: 2013-04-19
Publication date: 2013-09-25
Anticipated expiration: 2023-04-19

Abstract

The utility model discloses a folding chair. The folding chair comprises a chair surface, chair legs and a backrest, and is structurally characterized in that a backrest frame is hinged with the rear end of a supporting frame through a hinging shaft; clamping hooks are arranged at the lower end of the backrest frame; a clamping hook sleeve which is matched with each clamping hook is arranged at the upper part of the corresponding front leg; the middles of front and rear chair legs are intersected and are hinged; the upper end of each front leg is hinged with the rear end of one of hinging connection plates on the lower surface of the chair surface; the upper end of each rear leg is hinged with one end of one of connecting rods; the other end of each connecting rod is hinged with the middle of the corresponding hinging connection plate; an upper transverse rod is arranged between the upper ends of two rear legs; a manual clamping lock is arranged on the lower surface of the chair surface; a clamping lock hole is formed in a position, corresponding to the manual clamping lock, on the upper transverse rod. The chair surface, the chair legs and the backrest can be folded vertically and can be folded downwards again to reduce the height. When the folding chair is used, the front and rear legs are supported at four corners of the chair surface, the chair surface is tightly combined with the chair legs, and the problem of over-inclination is solved through the backrest frame, so that the folding chair is convenient to carry and store, firm in structure, uniform in stress and comfortable in use.

Description

A kind of folding seat

Technical field

The utility model belongs to daily household goods, particularly relates to a kind of folding seat.

Background technology

Chair is one of furniture common in office space and the family, and is in many styles, folding seat because of its not the time spent can conveniently fold the storage be used widely.

Existing folding seat comprises seat, chair leg and backrest, article two, preceding chair leg is longer, by preceding downside backward upside extend to form backrest, article two, the length of back leg approximately is half of preceding chair leg length, its top is connected through the hinge at about medium position of preceding chair leg, seat two middle side parts and preceding chair leg are rotationally connected, rear portion, the seat both sides part that is connected through the hinge is connected with back leg, so just form folding quadric chain, chair leg and seat are folded, be convenient for carrying storage, but there is firm inadequately shortcoming in use, because the seat front portion is unsettled when using, preceding back leg discontinuity, hinge connection is stressed bigger, because making, distortion connects the hinge damage easily, and back is extended upward by preceding chair leg and forms, and too tilts, and comfort level is not enough during use.

Summary of the invention

The purpose of this utility model is intended to overcome above-mentioned shortcoming, provide a kind of sound construction, stressed evenly, use comfortable, carry and store folding seat easily.

For achieving the above object, the utility model adopts following solution: a kind of folding seat, comprise seat, chair leg and backrest, seat is fixed on the bracing frame, backrest is fixed on the back rest, it is characterized in that: the bottom of back rest arranges hinged flange, and hinged by the both sides, rear end of jointed shaft and bracing frame, the lower end of back rest arranges grab, between two grabs cross bar is set; Article two, between the foreleg bottom transverse slat is set, between two back leg bottoms sheer pole is set, preceding back leg intersects in the centre position and connects by jointed shaft; The hinge-coupled plate of two correspondences is fixed in seat lower surface both sides of the edge, and the foreleg upper end is hinged with the rear end of hinge-coupled plate, and the back leg upper end is hinged with an end of connecting rod, and the middle part of the other end of connecting rod and hinge-coupled plate is hinged; Foreleg top arranges the grab cover supporting with the grab of back rest.

Above-mentioned folding seat, it is characterized in that: described two back legs arrange cross tube between the upper end, seat lower surface anteriomedial arranges manual kayser, position corresponding with manual kayser on cross tube arranges the kayser shrinkage pool, so in use just can be with seat and cross tube locking, thereby seat and chair leg are not fragile in conjunction with firmly.

Above-mentioned folding seat is characterized in that: connect two folding hinge bars by jointed shaft between back leg interconnection below, the preceding back leg before described, its objective is increases steadiness when launching to use.

Above-mentioned folding seat is characterized in that: back leg keeps at a certain distance away in the jointed shaft junction before described, and the hinge-coupled plate can enter in this gap when folding like this.

Above-mentioned folding seat is characterized in that: the front portion of described hinge-coupled plate arranges recess, like this when folding before the cross-coupled jointed shaft of back leg just can enter recess.

Above-mentioned folding seat is characterized in that: on the described back leg sheer pole snap belt is set, the snap belt clasp is set on the backrest, its effect is after chair folds snap belt to be buckled well, and avoids taking place launching phenomenon automatically, and it is convenient to carry storage.

Above-mentioned folding seat is characterized in that: described chair leg lower end arranges roller.

Compared with prior art, the utlity model has following advantage:

1, because the bracing frame of back rest of the present utility model and seat is hinged, the rear end of the hinge-coupled plate on foreleg upper end and the seat lower surface is hinged, the back leg upper end is hinged with an end of connecting rod, the middle part of the other end of connecting rod and hinge-coupled plate is hinged, so just can be with seat, chair leg and backrest are folded up, be convenient for carrying storage, and be supported on two jiaos at the rear portion of seat opening foreleg when using, back leg is supported on two jiaos of the front portions of seat, the front and back leg is stressed evenly, seat also can be combined closely by buckling and locking device and chair leg, carries storage conveniently so the utlity model has, sound construction, stressed uniform advantage.

2, since of the present utility model be absolute construction, be not to be extended upward by foreleg to form, so just avoided the problem that too tilts, and the bracing frame of back rest and seat is hinged, in the lower end of back rest the grab supporting with the grab cover on foreleg top is set, grab is stuck in the grab cover when opening use, and back rest and foreleg are combined closely, so it is comfortable that the utility model not only uses, and back rest is combined firmly with seat and chair leg.

3, the utility model can make not only that seat, chair leg and backrest are folding to erect, and can with they again downwards folding hinge-coupled plate etc. is entered into before the gap of back leg, then snap belt is buckled well, the height after folding has like this reduced, and is convenient for carrying storage.

4, the cross bar that arranges between two grabs of the utility model back rest lower end not only can play firm effect, and can be used as and carry handle.

5, the utility model chair leg lower end is provided with roller, conveniently moving during use.

Description of drawings

Fig. 1 is front view of the present utility model.

Fig. 2 is the left view corresponding with Fig. 1.

Fig. 3 is the right view corresponding with Fig. 1.

Fig. 4 is the front view in the utility model folding process.

Fig. 5 is the front view of the utility model folded state one.

Fig. 6 is the front view of the utility model folded state two.

Fig. 7 is the broken section enlarged drawing along A among Fig. 2-A line.

Fig. 8 is the broken section enlarged drawing along B among Fig. 3-B line.

Fig. 9 is the front view of another embodiment of the utility model.

Among the above-mentioned figure:

1-seat, 2-bracing frame, 3-backrest, 4-back rest

5-hinged flange 6-jointed shaft 7-hinged flange 8-jointed shaft

9-grab, 10-hinge-coupled plate, 11-grab cover, 12-jointed shaft

13-jointed shaft, 14-back leg, 15-hinge bar, 16-jointed shaft

17-hinge bar, 18-foreleg, 19-jointed shaft 20-manual kayser

21-seat lower cross plate, 22-back leg cross tube, 23-cross bar

24-foreleg transverse slat, 25-back leg sheer pole, 26-snap belt

27-pull stap clasp, 28-kayser shrinkage pool, 29-recess

30-jointed shaft, 31-connecting rod, 32-jointed shaft, 33-roller.

The specific embodiment

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

As Fig. 1-shown in Figure 8, the described folding seat of present embodiment, comprise seat 1, foreleg 18, back leg 14 and backrest 3, seat 1 is fixed on the bracing frame 2, and backrest 3 is fixed on the

back rest

4,4 bottoms of back rest arrange hinged flange 5, and hinged with the both sides, rear end of bracing frame 2 by jointed shaft 6, the lower end of back rest 4 arranges between grab 9, two grabs 9 cross bar 23 is set, cross bar 23 not only can play firm effect, and can be used as and carry handle; Article two, between foreleg 18 bottoms transverse slat 24 is set, article two, between back leg 14 bottoms sheer pole 25 is set, snap belt 26 is set on the back leg sheer pole 25, snap belt clasp 27 is set on the backrest 3, its effect is after chair folds snap belt to be buckled well, avoid taking place launching phenomenon automatically, it is convenient to carry storage; Foreleg 18 intersects in the centre position with back leg 14 and is connected by jointed shaft 12, keeps at a certain distance away therebetween, and hinge-coupled plate 10 can enter in this gap when folding; The hinge-coupled plate 10 of two correspondences is fixed in seat 1 lower surface both sides of the edge, hinge-coupled plate 10 is parts of bracing frame 2, cross section is Cranking bar for automobile shape, the hinged flange 7 that rear end and bracing frame 2 rear ends of foreleg 18 upper ends by jointed shaft 8 and hinge-coupled plate 10 arrange is hinged, back leg 14 upper ends are hinged with an end of connecting rod 31 by jointed shaft 32, and the other end of connecting rod 31 is hinged with the middle part of hinge-coupled plate 10 by jointed shaft 30; The grab 9 supporting grabs of the setting of foreleg 14 tops and back rest 4 overlap 11.

Article two, between back leg 14 upper ends cross tube 22 is set, the anterior manual kayser 20 of transverse slat 21 center fixed that arranges of seat 1 lower surface, position corresponding with manual kayser 20 on cross tube 22 arranges kayser shrinkage pool 28, so in use just can be with seat 1 and cross tube 22 lockings, thereby seat and chair leg are not fragile in conjunction with firmly.

Connecting two

folding hinge bars

15 and 17 by

jointed shaft

13,16,19 below preceding

back leg

18 and 14 interconnections, between the preceding

back leg

18 and 14, its objective is increases steadiness when launching to use.

In the forward position of hinge-coupled plate 10 recess 29 is set, when folding, can makes jointed shaft 12 enter this recess.

As shown in Figure 9, on the basis of above-described embodiment, all be provided with roller 33 at

chair leg

18 and 14 lower ends, conveniently moving during use.

Claims

1. folding seat, comprise seat, chair leg and backrest, seat is fixed on the bracing frame, backrest is fixed on the back rest, it is characterized in that: the bottom of back rest arranges hinged flange, and hinged by the both sides, rear end of jointed shaft and bracing frame, the lower end of back rest arranges grab, between two grabs cross bar is set; Article two, between the foreleg bottom transverse slat is set, between two back leg bottoms sheer pole is set, preceding back leg intersects in the centre position and connects by jointed shaft; The hinge-coupled plate of two correspondences is fixed in seat lower surface both sides of the edge, and the foreleg upper end is hinged with the rear end of hinge-coupled plate, and the back leg upper end is hinged with an end of connecting rod, and the middle part of the other end of connecting rod and hinge-coupled plate is hinged; Foreleg top arranges the grab cover supporting with the grab of back rest.

2. folding seat according to claim 1 is characterized in that: described two back legs arrange cross tube between the upper end, and seat lower surface anteriomedial arranges manual kayser, and position corresponding with manual kayser on cross tube arranges the kayser shrinkage pool.

3. folding seat according to claim 1 is characterized in that: connect two folding hinge bars by jointed shaft between back leg interconnection below, the preceding back leg before described.

4. folding seat according to claim 1 is characterized in that: back leg keeps at a certain distance away in the jointed shaft junction before described.

5. folding seat according to claim 1, it is characterized in that: the front portion of described hinge-coupled plate arranges recess.

6. folding seat according to claim 1 is characterized in that: on the described back leg sheer pole snap belt is set, the snap belt clasp is set on the backrest.

7. folding seat according to claim 1, it is characterized in that: described chair leg lower end arranges roller.