CN102551390A

CN102551390A - One-piece folding chair

Info

Publication number: CN102551390A
Application number: CN2012100039479A
Authority: CN
Inventors: 李国斌; 陈远平
Original assignee: HUIZHOU HUALI PACKAGE CO Ltd
Current assignee: HUIZHOU HUALI PACKAGE CO Ltd
Priority date: 2012-01-09
Filing date: 2012-01-09
Publication date: 2012-07-11

Abstract

The invention relates to a folding chair, in particular to a folding chair formed by folding a plate. The one-piece folding chair is formed by folding one plate. The plate comprises a rectangular seat plate, and four edges of the seat plate extend outwards to form extension portions. The one-piece folding chair is high in compression strength. Test results show that the corrugated board folding chair with length, width and height as 300mm*260mm*580mm and the plate thickness of 7mm can bear pressure of 2911N. In addition, the one-piece folding chair is formed by one plate, simple in structure, low in material consumption, light, simple, attractive, practical, suitable for various places and users, and convenient to carry. When not used, the folding chair can be folded to carry. The horizontal compression ratio can reach 1:3.

Description

A kind of single piece type folding seat

Technical field

The present invention relates to a kind of folding seat, be specifically related to a kind of by the folding folding seat that forms of a sheet material.

Background technology

Chair is one of article that the most often use in people's live and work, and our common chair generally all is to combine by multiple wooden, metal or with fabric parts, installs loaded down with trivial detailsly, carry, transport inconvenience, and cost is higher.

The inventing type content

Technical problem to be solved by this invention provides a kind of by the folding folding seat that forms of a sheet material.

The present invention realizes through following technical scheme:

A kind of single piece type folding seat only forms by a sheet material is folding, and said sheet material comprises rectangular substantially seat board, and four edges of seat board are outward extended with extension;

First edge of said seat board extends outward first extension of the preceding chair leg of a conduct, and the dual-side of first extension extends outward two second extensions symmetrically, and the end of second extension extends outward first brace summer; Be formed with broken line between first edge of said seat board and first extension and between first extension and second extension;

Second edge relative with first edge of said seat board extends outward the 5th extension as the chair back; The dual-side of the 5th extension extends outward two chair back extensions symmetrically; Each chair back extension extends the 6th extension as back leg near the side of seat board, and the side away from seat board of the 6th extension extends outward second brace summer; Between second edge and the 5th extension of seat board, between the 5th extension and the chair back extension and be formed with broken line between the 6th extension and second brace summer;

Connection first edge of said seat board and the dual-side at second edge are formed with broken line along extending outward two seat board side extensions between seat board and the seat board side extension;

Be formed with first draw-in groove on said first brace summer, be formed with second draw-in groove that cooperates with first draw-in groove on second brace summer, four draw-in grooves can be connected together four brace summers.

Be formed with on said the 6th extension substantially with the 5th extension and chair back extension between the parallel broken line of broken line, be near interior half one of seat board and other outer half one with the 6th extension.

Be formed with broken line between said second extension and first brace summer.

Under deployed condition, the side near second extension of said seat board side extension contacts with the side of second extension but is not connected; Said seat board side extension contacts with interior half one of the 6th extension but is not connected; The end of said the 6th extension contacts with the side of second extension or first brace summer but is not connected.

The said first extension end has groove.

Said sheet metal thickness is 5-10mm.

Said sheet material is cardboard, metallic plate, plastic plate.

Beneficial effect of the present invention is:

(1) a slice folding seat of the present invention is only formed by a slice board making, and is simple in structure, consumptive material is few, and is light and handy, simple and easy, both artistic and practical; The application place is many, and the crowd that is suitable for is wide, and carry extremely convenient; Take folding carrying when not using apart, the transverse compression ratio can reach 1:3.

(2) folding seat compression strength of the present invention is high, and test result shows that the length and width height is 300mm * 260mm * 580mm, and sheet metal thickness is the pressure that this corrugated board folding seat of 7mm can be born 2911N.

Description of drawings

Fig. 1 is a present embodiment one monolithic sheet sketch map.

Fig. 2 is the perspective view behind Fig. 1 folding forming.

Fig. 3 is the side view of Fig. 2.

Fig. 4 is the upward view of Fig. 2.

Fig. 5 is the compression strength curve map of sample under different test speeds.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed explanation, embodiment only is a preferred implementation of the present invention, is not limitation of the present invention.

Embodiment

As shown in Figure 1, present embodiment single piece type folding seat only forms by a sheet material is folding, and said sheet material preferably adopts the corrugated board of thickness 7mm.In other embodiments, can be thick corrugated board of steel plate, the 5mm of 3mm thick plastic plate, 10mm etc.

The corrugated board of the said thickness 7mm of present embodiment comprises rectangular substantially seat board 1, and four edges of seat board 1 are outward extended with extension;

The end that the dual-side that first edge of said seat board 1 extends outward first extension, 2, the first extensions 2 of chair leg before the conduct extends outward two second extension 3, the second extensions 3 symmetrically extends outward first brace summer 4; Be formed with broken line between first edge of said seat board 1 and first extension 2 and between first extension 2 and second extension 3; (as front end, extend terminal point as end with the starting point of extension, the side of extension is as side)

Second edge relative with first edge of said seat board 1 extends outward the 5th extension 5 as the chair back; The dual-side of the 5th extension 5 extends outward two chair back extensions 6 symmetrically; Each chair back extension 6 extends a side away from seat board 1 as the 6th extension 7, the six extensions 7 of back leg near the side of seat board 1 and extends outward second brace summer 8; Between second edge and the 5th extension of seat board 1, between the 5th extension 5 and the chair back extension 6 and be formed with broken line between the 6th extension and second brace summer 8;

Connection first edge of said seat board 1 and the dual-side at second edge are formed with broken line along extending outward two seat board side extensions 73 between seat board 1 and the seat board side extension 73;

Be formed with on said first brace summer 4 and be formed with 81, four draw-in grooves of second draw-in groove that cooperate with first draw-in groove on first draw-in groove, 41, the second brace summers 8 and can four brace summers be connected together.

Be formed with on said the 6th extension 7 substantially with the 5th extension 5 and chair back extension 6 between the parallel broken line of broken line, the 6th extension 7 is divided into interior half one 71 and other outer half one 72 near seat board 1.

Be formed with broken line between said second extension 3 and first brace summer 4.

Under deployed condition, the side near second extension 3 of said seat board side extension 73 contacts with the side of second extension 3 but is not connected; Said seat board side extension 73 contacts with interior half one 71 of the 6th extension 7 but is not connected; The end of said the 6th extension 7 contacts with the side of second extension 3 or first brace summer 4 but is not connected.

Said first extension, 2 ends have groove 21, two chair legs about groove 21 is divided into first extension 2.

During the sheet material folding forming of present embodiment single piece type folding seat; Folding along folding line earlier; Make first extension 2 and second extension 3 that connects thereof and first brace summer, 4 relative seat boards 1 roll over 90 ° downwards, the 5th extension 5 and the chair back extension 6 that connects thereof are upwards rolled over 90 °; Then second extension 3 and first brace summer 4 are inwardly rolled over successively; Again the folding line between chair back extension 6 and the 6th extension 7 edge the 5th extensions 5 that connect and the chair back extension 6 is rolled over 90 ° to reverse side; Then outer half one 72 and second brace summer 8 of the 6th extension 7 are rolled over 90 ° to reverse side successively; Four draw-in grooves with first brace summer 4 and second brace summer 8 are connected together each other at last, form a complete seat.

After this folding seat moulding, first extension 2 and second extension 3 become the preceding chair leg of folding seat, and the 6th extension 7 becomes back leg, and preceding chair leg is into two vertical or angled limits with the part that back leg contacts with ground.

Because the present invention is provided with draw-in groove on four brace summers of seat board, four draw-in grooves interlock after the chair moulding; When seat board 1 stressed; Four brace summers that see through seat board pass to 4 chair legs of chair with power, and perpendicular to the ground because of 4 chair legs of chair, the chair leg is contacted by line along the folding chair leg that makes chair of dotted line and ground and becomes face and contact; Increase its lifting surface area, made chair have high compression strength.

The present embodiment intensity test is reported as follows:

Sample title: single piece type folding seat.

TestDate: on December 15th, 2011.

Tester: GT-7001-DS.

Testing standard: GB/T4857.4-92.

Test speed: 10mm/min.

Test condition: 23.5 ℃ of temperature, humidity 52%.

Precompressed value: 220N.

[0035] table 1 sample test data

Numbering	Length	Width	Tolerance	The strength maximum	Maximum deformation quantity	Compression strength
								Mm	Mm	Mm	Kgf	Mm	N
1	300	260	580	296.82	25.311	2911
							---	---	---	---	---	---	---

							---	---	---	---	---	---	---
Mean value	300	260	580	296.82	25.311	2911

Fig. 5 is the compression strength of sample under the test speed of 10mm/min, and abscissa is that (unit: mm), ordinate is to chair applied force (unit: kgf kgf) to deflection.As shown in Figure 5, when test speed was 10mm/min, compression strength can reach 296.82kgf, about 2911N (1 kilogram (kgf) ≈ 9.8 newton (N)), and this moment, deflection had only 19.8mm.Promptly be equivalent to the heavy object of 297kg and be pressed on the chair, chair only produces the distortion of 19.8mm.

Claims

1. single piece type folding seat is characterized in that:

Only form by a sheet material is folding, said sheet material comprises rectangular substantially seat board (1), and four edges of seat board (1) are outward extended with extension;

First edge of said seat board (1) extends outward first extension (2) of the preceding chair leg of a conduct; The dual-side of first extension (2) extends outward two second extensions (3) symmetrically, and the end of second extension (3) extends outward first brace summer (4); Be formed with broken line between first edge of said seat board (1) and first extension (2) and between first extension (2) and second extension (3);

Second edge relative with first edge of said seat board (1) extends outward the 5th extension (5) as the chair back; The dual-side of the 5th extension (5) extends outward two chair back extensions (6) symmetrically; Each chair back extension (6) extends the 6th extension (7) as back leg near the side of seat board (1), and the side away from seat board (1) of the 6th extension (7) extends outward second brace summer (8); Between second edge and the 5th extension of seat board (1), between the 5th extension (5) and the chair back extension (6) and be formed with broken line between the 6th extension and second brace summer (8);

Connection first edge of said seat board (1) and the dual-side at second edge are formed with broken line along extending outward two seat board side extensions (73) between seat board (1) and the seat board side extension (73);

Be formed with first draw-in groove (41) on said first brace summer (4), be formed with second draw-in groove (81) that cooperates with first draw-in groove on second brace summer (8), four draw-in grooves can be connected together four brace summers.

2. single piece type folding seat according to claim 1; It is characterized in that: be formed with on said the 6th extension (7) substantially with the 5th extension (5) and chair back extension (6) between the parallel broken line of broken line, the 6th extension (7) is divided near interior half one (71) of seat board (1) and other outer half one (72).

3. single piece type folding seat according to claim 2 is characterized in that: be formed with broken line between said second extension (3) and first brace summer (4).

4. single piece type folding seat according to claim 1 is characterized in that: under deployed condition, the side near second extension (3) of said seat board side extension (73) contacts with the side of second extension (3) but is not connected; Said seat board side extension (73) contacts with interior half one (71) of the 6th extension (7) but is not connected; The end of said the 6th extension (7) contacts with the side of second extension (3) or first brace summer (4) but is not connected.

5. single piece type folding seat according to claim 1 is characterized in that: said first extension (2) end has groove (21).

6. according to each described single piece type folding seat in the claim 1 to 5, it is characterized in that: said sheet metal thickness is 5-10mm.

7. according to each described single piece type folding seat in the claim 1 to 5, it is characterized in that: said sheet material is cardboard, metallic plate, plastic plate.