CN201668149U

CN201668149U - Foldable chair

Info

Publication number: CN201668149U
Application number: CN2010201470092U
Authority: CN
Inventors: 崔宽峻
Original assignee: Xiamen Innovation Metal Products Co Ltd
Current assignee: Xiamen Innovation Metal Products Co Ltd
Priority date: 2010-03-23
Filing date: 2010-03-23
Publication date: 2010-12-15
Anticipated expiration: 2020-03-23
Also published as: WO2011116638A1; WO2011116608A1; US20120319435A1; CA2792935A1

Abstract

The utility model discloses a foldable chair which comprises a chair seat board, a chair seat bracket, a chair back bracket and a chair back board, wherein the chair seat bracket comprises two sets of rod parts which are respectively and crossly pivoted by a front support rod and a back support rod; the chair back bracket comprises two chair back support rods, and the chair back board is fixed at the upper parts of the two chair back support rods; the lower surface of the chair seat board is provided with a baffle table for limiting the upper end of the front support rod, the front support rod is movably matched on the chair seat board, the back support rod is pivoted at the back end of the chair seat board, the lower parts of the two chair back support rods are pivoted with the two sides at the back end of the chair seat board; and the lower ends of the two chair seat support rods are connected with each other through a baffle rod which is arranged behind the back support rod. As the front support rod of the chair seat bracket is designed to be movably matched with the chair seat board, the chair seat board can be downward folded to lean against each support rod of the chair seat, and the chair back bracket can be folded towards the chair seat bracket due to the pivoting relationship between the chair back bracket and the chair seat board, so that the foldable chair effectively reduces the whole folded height, thereby reducing the folding volume thereof.

Description

Folding seat

Technical field

The relevant a kind of daily living article of the utility model is meant a kind of folding seat especially.

Background technology

At present, people family folding seat used in everyday, as shown in Figure 1 to Figure 3, usually only be seat support 1 ' receipts to be leaned against the chair back 4 ' locate, be that seat support 1 ' is that pivoting point with its rear portion and chair back bar 3 ' is rotating shaft, by upwards lifting and make seat support 1 be vertical shape and closing is simultaneously located at the chair back 4 ' in the front portion of seat support 1 ', therefore the folding seat of this structure is after folding, the whole height of chair can increase, though the chair folding is plane, but its integrality still can't fold to volume minimizes, and both has been not easy to transportation, also is not easy to collection.Based on this, how the folding seat that traditional-family is used realizes minimizing of volume after the folding, and this case just produces thus.

The utility model content

The purpose of this utility model provides a kind of height that can effectively reduce after the folding, to realize the minimized folding seat of folding volume.

For achieving the above object, solution of the present utility model is:

A kind of folding seat comprises chair seat board, seat bracket, chairback brace and chair back plate; Seat bracket comprises respectively by a front support rod and a back stay and intersects two groups of rod members that articulate; Chairback brace comprises two chair back poles, and chair back plate is to be fixed on two chair back pole tops; Wherein: the lower surface of chair seat board is provided with the retaining platform of spacing front support rod upper end, and front support rod is that activity is matched with on the chair seat board, and back stay is the rear end that is articulated in chair seat board; The bottom of two chair back poles is articulated in both sides, chair seat board rear end, is connected by a pin that is positioned at the back stay rear in the lower end of two chair back poles.

Described chair seat board is a hard plate body, and its lower surface both sides vertically are formed with the mating groove of spacing front support rod from back to front.

Described chair seat board vertically is formed with the mating groove of spacing front support rod from back to front for the soft seat surface that the hard lath by both sides connects constitutes at hard lath lower surface.

Half back that described mating groove extends across chair seat board length forms the retaining platform.

The both sides of described chair seat board are extended with the backplate bar downwards.

Described seat bracket two front support rod being are articulated in the inboard of two back stays, and the upper end of back stay is to be articulated on the backplate condition of chair seat board rear end.

The bottom of described seat bracket two front support rods is connected by a cross bar.

The back stay of described chair back pole, chair seat board and seat bracket is articulated by a trunnion.

Described chair back plate is a hard lath.

Described chair back plate is soft the formation by face by the connection of both sides hard lath.

After adopting such scheme, the utility model is because the wherein front support rod of seat bracket is set to the movable matching relationship with chair seat board, each pole place that makes chair seat board receive downwards leaning against seat support, the pivot joint of chairback brace and chair seat board simultaneously concerns, make chairback brace be close together to the receipts of seat bracket, so make the height after the whole folding of folding seat effectively reduce, thereby reduced the volume that folds of folding seat.

In addition because of just placing on the chair seat board between two chair back poles, further make the thickness that folds of folding seat reach and minimize, so not only be convenient to collection, and be convenient to transportation, reduce cost of transportation simultaneously.

Description of drawings

Fig. 1 is an expansion schematic diagram of commonly using the product folding seat;

Fig. 2 is a folding action diagram of commonly using the product folding seat;

Fig. 3 is the folding state figure that commonly uses the product folding seat;

Fig. 4 is the expansion schematic diagram of the utility model folding seat;

Fig. 5 is the expansion elevational schematic view of the utility model folding seat;

Fig. 6 is the folding action diagram 1 of the utility model folding seat;

Fig. 7 is the folding action diagram 2 of the utility model folding seat;

Fig. 8 is the folding state figure of the utility model folding seat.

The specific embodiment

A kind of folding seat extremely shown in Figure 8 as Fig. 4, that the utility model discloses, it comprises chair seat board 1, seat bracket 2, chairback brace 3 and chair back plate 4.

Chair seat board 1 is a hard plate body, its lower surface both sides vertically are formed with mating groove 11 from back to front, mating groove 11 extends across half of chair seat board 1 length, and this mating groove 11 its groove depth from back to front is gradually shallow and designs in addition, and the both sides of chair seat board 1 are extended with backplate bar 12 downwards in addition; This chair seat board 1 also can be the soft seat surface that is connected by the hard lath of both sides, and vertically is formed with the mating groove of spacing front support rod from back to front at the lower surface of this hard lath.

Seat bracket 2 comprises respectively by a front support rod 21 and a back stay 22 and intersects two groups of rod members that articulate, and wherein two front support rods 21 are the inboards that are articulated in two back stays 22, and the top of front support rod 21 is that the movable top cunning is in the mating groove 11 of above-mentioned chair seat board 1 simultaneously; And the upper end of back stay 22 is to be articulated on the backplate bar 12 of chair seat board 1 rear end; Connect by a cross bar 23 in addition, playing the effect of certain reinforcing, thereby improve the support degree of seat bracket 2 in the bottom of two front support rods 21;

Chairback brace 3 comprises that the bottom of two chair back poles 31 and a pin 32, two chair back poles 31 is the outsides that are articulated in the backplate bar 12 of chair seat board 1 both sides, and promptly the back stay 22 of chair back pole 31, chair seat board 1 and seat bracket 2 is articulated by a trunnion; And a pin 32 is the lower ends that connect two chair back poles 31, and this pin 32 is the rears that are positioned at above-mentioned back stay 22 simultaneously, launches the back is formed the relative seat support of the chair back by this pin 32 support angle to make the chair back;

Chair back plate 4 also is a hard lath, or by both sides hard lath connect soft by face, it is fixed on the top of chairback brace 3.

Shown in Fig. 4,5, when folding seat was launched, seat bracket 2 was to be in deployed condition, and promptly the upper end of front support rod 21 is sliding front portions that place mating groove 11, and the pin 32 of chairback brace 3 is the rear sides that are resisted against the back stay 22 of seat bracket 2, has certain function of use chair thereby form.

Shown in Fig. 6,7,8, when this folding seat folds, at first the front end from chair seat board 1 upwards lifts, make the relative chair in upper end of front support rod 21 upwards lift, then can slide to chair seat board 1 rear along mating groove 11 in the top of front support rod 21, until being close together with back stay 22 upper ends, then front support rod 21 and back stay 22 overlappings together, again the front end of chair seat board 1 is rotated afterwards and closing on together front support rod 21 of overlapping, back stay 22; At last chairback brace 3 being driven chair back plates 4 is pivoted downward and on the closing chair seat board 1 with the pivoting point of two chair back poles, 31 bottoms, and 1 just places between two chair back poles 31 on the chair seat board, so just finishes the folding of whole folding seat.

To sum up, the utility model is owing to be set to movable matching relationship with chair seat board 1 with the wherein front support rod 21 of seat bracket 2, each pole place that makes chair seat board 1 receive downwards leaning against seat support, chairback brace 3 concerns with the pivot joint of chair seat board 1 simultaneously, make chairback brace 3 be close together to the receipts of seat bracket 2, so make the height after the whole folding of folding seat effectively reduce, thereby reduced the volume that folds of folding seat, because of 1 just placing between two chair back poles 31 on the chair seat board, further make the thickness that folds of folding seat reach and minimize, so not only be convenient to collection, and be convenient to transportation, reduce cost of transportation simultaneously.

Claims

1. a folding seat comprises chair seat board, seat bracket, chairback brace and chair back plate; Seat bracket comprises respectively by a front support rod and a back stay and intersects two groups of rod members that articulate; Chairback brace comprises two chair back poles, and chair back plate is to be fixed on two chair back pole tops; It is characterized in that: the lower surface of chair seat board is provided with the retaining platform of spacing front support rod upper end, and front support rod is that activity is matched with on the chair seat board, and back stay is the rear end that is articulated in chair seat board; The bottom of two chair back poles is articulated in both sides, chair seat board rear end, is connected by a pin that is positioned at the back stay rear in the lower end of two chair back poles.

2. folding seat as claimed in claim 1 is characterized in that: chair seat board is a hard plate body, and its lower surface both sides vertically are formed with the mating groove of spacing front support rod from back to front.

3. folding seat as claimed in claim 1 is characterized in that: chair seat board vertically is formed with the mating groove of spacing front support rod from back to front for the soft seat surface that the hard lath by both sides connects constitutes at hard lath lower surface.

4. as claim 2 or 3 described folding seat, it is characterized in that: mating groove its groove depth from back to front is gradually shallow and designs.

5. as claim 1,2 or 3 described folding seat, it is characterized in that: the both sides of chair seat board are extended with the backplate bar downwards.

6. folding seat as claimed in claim 1 is characterized in that: seat bracket two front support rod being are articulated in the inboard of two back stays, and the upper end of back stay is to be articulated on the backplate condition of chair seat board rear end.

7. folding seat as claimed in claim 1 is characterized in that: the bottom of seat bracket two front support rods is connected by a cross bar.

8. folding seat as claimed in claim 1 is characterized in that: the back stay of chair back pole, chair seat board and seat bracket is articulated by a trunnion.

9. folding seat as claimed in claim 1 is characterized in that: chair back plate is a hard lath.

10. folding seat as claimed in claim 1 is characterized in that: chair back plate is soft the formation by face by the connection of both sides hard lath.