CN102871404A

CN102871404A - Folding sofa

Info

Publication number: CN102871404A
Application number: CN2012103880536A
Authority: CN
Inventors: 郑世平
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-12
Filing date: 2012-10-12
Publication date: 2013-01-16
Anticipated expiration: 2032-10-12
Also published as: CN102871404B

Abstract

The invention relates to a folding sofa, which comprises armrest rods, front supporting rods and rear supporting rods symmetrical on two sides and a seat cushion fabric. After the front and rear supporting rods are mutually crossed, the upper parts of the front and rear supporting rods are respectively hinged on the armrest rods; each front supporting rod is hinged with a sliding sleeve, the rear supporting rods penetrate through the sliding sleeves, and thus a movable hinge structure between the front and rear supporting rods is formed; associated cross rods are respectively arranged between the lower ends of the two front supporting rods and the two rear supporting rods on the two sides; the front part of each armrest rod is provided with an arc section arched upwards, the arc section is positioned at a position of laying a front arm, and an associated cross rod is arranged between the rear ends of the armrest rods on the two sides; after the rear supporting rods are hinged with the armrest rods, each rear supporting rod is forwards provided with an extension section; and the seat cushion fabric is sleeved on the extension sections and the armrest rods. The arc sections arched upwards are formed on the armrest rods, the armrest rods are inclined after the sofa is opened, and the arc sections just form relatively smooth supporting parts, so that the front arms can be well supported, and dependence is provided during sitting.

Description

A kind of Folding sofa

Technical field:

The invention belongs to field of furniture, particularly a kind of collapsible sofa, the Folding sofa that especially a kind of human body forearm section can fully be supported.

Background technology:

Existing folding round chair is commonly called as moon chair or radar chair, is made by flexible fabric and bar material, and the front sees that the cushion district is toroidal, and the similar radar antenna that becomes to lean forward; And the moulding that resembles half moon is seen in the side, so also be called moon chair, simple for structure, exotic shape is popular.As shown in Figure 1, its structure includes circular race 20, is set in the cushion fabric 2 on the seat ring 20, and the back and front supporting bar 3,4 of supporting seat ring 20 both sides; After front and back support bar 3,4 intersected mutually, the upper end was hinged on respectively on the seat ring 20, and front support rod 3 is hinged with a sliding sleeve 5, and 4 of back support rods pass sliding sleeve 5, formed the structure that is movably hinged of 3,4 on back and front supporting bar; For this reason, be provided with limited slip block at back support rod 4, so that the circle chair is opened when putting in place, sliding sleeve 5 is supported; In addition, two front support rods 3 of described both sides and two back support rods 4 form by a rod member bending.This folding round chair has simple in structure, the characteristics of modern design.But the huckle that is seated can by the circle front support, and the part is tied sense tight by force; Moreover although both hands can be placed on the circle, the circle surface that tilts is without supporting, and two forearms can toward the front lower place slippage, can not get good support.How to improve the deficiency of existing chair, design a kind of more comfortable Folding sofa that is seated, namely become the object of the present invention's research.

Summary of the invention:

The objective of the invention is to invent a kind of bar front portion and have the arc section that upwards arches upward, can play to forethiga the Folding sofa of support, secondary objective is that the shank that is seated can not tied tight by rod member.

Technical solution of the present invention is achieved in that a kind of Folding sofa, includes monosymmetric bar, front support rod and back support rod, and the cushion fabric; After the back and front supporting bar intersected mutually, the upper end was hinged on respectively on the bar, and front support rod is hinged with a sliding sleeve, and the rear support rod member passes sliding sleeve, formed the structure that is movably hinged between the back and front supporting bar; Two front support rods of described both sides and two back support rods are respectively equipped with related cross bar between the lower end, it is characterized in that the bar front portion has the arc section that upwards arches upward, and this arc section is on the position of shelving forearm, and both sides are provided with related cross bar between the bar rear end; After described back support rod and bar are hinged, has forward an extension; Described cushion fabric is set on described extension and the bar.The arc section that utilizes bar to form upwards to arch upward, after sofa was opened, bar was heeling condition, and this arc section forms a milder support portion just, and forearm can obtain good support, and it is reliable to be seated.

The inboard of described bar also is provided with the secondary bar of a handrail, and the arc section on the secondary bar of this handrail and the bar has suitable arc modeling; The secondary bar of handrail is hinged on the same pin joint of bar and front support rod, bar and back support rod at least; Described pin joint adopts long rivet hinged, is arranged with sheath unsettled section of rivet.The secondary bar of handrail and the wider supporting surface of bar formation are so that forearm is more comfortable.

Also be provided with a pin joint between the secondary bar of described handrail and the bar middle part, this riveting point directly passes bar for long rivet and the secondary bar of handrail is riveted, and can further increase the intensity of the secondary bar of handrail.

Near two front support rods the mutual crosspoint of described front support rod and back support rod perhaps are provided with support rail between two back support rods.Play the support to both sides, avoid stressed after, sofa is toward interior contraction.

Above-mentioned support rail is straight rod member, directly conflicts between two front support rods in its two ends; Be arranged with respectively fixed cover on described two front support rods, the fixed cover side is provided with sleeve, and the support rail two ends are plugged in the sleeve, forms fixed structure.

Two bars of described both sides, two front support rods and two back support rods form by a rod member bending, and bending part forms related cross bar.

Describedly be provided with limited slip block at back support rod, sofa is opened when putting in place, and sliding sleeve is conflicted on limited slip block, obtains stressed support.

On the middle position between described two back support rods, have additional one and support secondary bar; The moulding and the back support rod that support secondary bar are suitable, and the end is hinged on the related cross bar of back support rod thereafter, and the upper end is hinged on the support rail; Described support rail two ends are hinged on respectively on the back support rod of both sides, and its pin joint is on the same pin joint of back support rod and bar.

Above-mentioned support rail is a U-shaped bar, two ends have down the folding section, two fall to roll over section is hinged on respectively on the same pin joint of both sides bar and back support rod, support rail central authorities have headtree, end by this headtree is hinged with the secondary bar of support upper end, the supported on both sides cross bar both can be supported, and was related with the secondary bar of support again.

Perhaps, above-mentioned support rail is that two two ends have down the U-shaped bar of folding section and connect and form, and two of joint is fallen the folding section and minute stood in the both sides of supporting secondary bar, and is hinged on the same pin joint; Described two U-shaped bars and connecing refer to two, and to fall the folding section hinged by a long rivet at least, perhaps by the two ends of a connecting rod, is hinged to respectively the structure of selecting of one with two U-shaped bars.

The present invention is anterior with bar dexterously, the arc section that arches upward on forming device is oriented, open sofa after, utilize it that forearm is formed necessary support so that human body is seated is reliable, leisure and comfortable; In addition, come related support two front support rods or two back support rods by support rail, dodge out the space that the cushion fabric sinks, the shank of not tying tight is seated; Moreover structure of the present invention both can be made armchair, also can conveniently expand to be double and three-seater, and structure is general and novel, again collapsible collection and transportation, and comfortable characteristics are seated.

Description of drawings:

The present invention will be further described below in conjunction with concrete legend:

Fig. 1 has the folding round chair schematic perspective view now

Fig. 2 Folding sofa schematic perspective view

Fig. 3 Folding sofa support schematic perspective view

Fig. 4 Folding sofa support side schematic view

Fig. 5 Folding sofa folded state schematic diagram

Fig. 6 two-player foldable sofa support schematic perspective view

Wherein

The related cross bar 11-of 1-bar 10-arc section

The secondary bar 2-of 12-handrail cushion fabric 20-seat ring

3-front support rod 31-fixed cover 310-sleeve

4-back support rod 41-extension 42-limited slip block

43-supports secondary bar 5-sliding sleeve 6-support rail

61-falls to roll over the long rivet of section 62-connecting rod 7-

The 71-sheath

The specific embodiment:

Embodiment one;

With reference to Fig. 2 to Fig. 5, Folding sofa includes monosymmetric bar 1, front support rod 3 and back support rod 4, and cushion fabric 2; In this example, two bars 1 of both sides, two front support rods 3 and two back support rods 4 form by a rod member bending, and bending part forms related cross bar 10; After back and front supporting bar 3,4 intersected mutually, the upper end was hinged on respectively on the bar 1, and front support rod 3 is hinged with a sliding sleeve 5, and 4 of back support rods pass sliding sleeve 5, formed the structure that is movably hinged of 3,4 on back and front supporting bar; Be provided with limited slip block 42 at back support rod 4, sofa is opened when putting in place, and sliding sleeve 5 is conflicted on limited slip block 42, obtains stressed support and position-limiting action; Folding process, down slippage of sliding sleeve 5 is so that front support rod 3 closes up to back support rod 4, such as Fig. 5 folded state.

Such as Fig. 4, described bar 1 front portion has the arc section 11 that upwards arches upward, and this arc section 11 is on the position of shelving forearm after sofa is opened, and forms mild support portion; After described back support rod 4 and bar 1 are hinged, has forward an extension 41; Described cushion fabric 2 is set on described extension 41 and the bar 1, and cushion fabric 2 extends to the backrest top, is coated on the related cross bar 10 of bar 1, avoid stressed after, down slippage of cushion fabric 2, moreover, the location that also can reduce 1 of cushion fabric 2 and bar.

Such as Fig. 2 and Fig. 3, for forearm shelve more comfortable, also be provided with the secondary bar 12 of a handrail in the inboard of bar 1, the secondary bar 12 of this handrail has suitable arc modeling with arc section 11 on the bar 1; The secondary bar 12 of handrail is hinged on the same pin joint of bar 1 and front support rod 3, bar 1 and back support rod 4; Described pin joint adopts long rivet 7 hinged, is arranged with sheath 71 unsettled section of rivet 7; In addition, also be provided with a pin joint between the secondary bar 12 of handrail and bar 1 middle part, this riveting point directly passes bar 1 for long rivet 7 and the secondary bar 12 of handrail is riveted, and reaches support to cushion fabric 2 with the globality that improves the secondary bar 12 of handrail and bar 1.Unsettled section at long rivet 7 is arranged with sheath 71, and two parts that can avoid being hinged are drawn close.

After stressed for fear of cushion fabric 2, make both sides toward interior contraction, near 3 of two front support rods that they can be front support rod 3 and back support rod 4 mutual crosspoints are set up support rail 6, so that cushion is stressed more hale and more hearty.In this structure, support rail 6 is straight rod member, directly conflicts between two front support rods 3 in its two ends, avoids two front support rods 3 toward interior contraction; Be arranged with respectively fixed cover 31 on described two front support rods 3, fixed cover 31 sides are provided with sleeve 310, and support rail 6 two ends are plugged in the sleeve 310, form fixed structure, such as Fig. 3.

Described support rail 6 also can be located between two back support rods 4, can reach same effect.

In addition, two bars 1, front support rod 3 and back support rod 4, except rod member bending and molding of above-mentioned employing, also can adopt the separation rod member, between both ends or close end, weld respectively or be fixed with related cross bar 10, by related cross bar 10 separately, two bars 1, two front support rods 3 and two back support rods 4 are associated to rigid body.

Embodiment two:

With reference to Fig. 6, be two-player foldable sofa support schematic perspective view, it has additional one and supports secondary bar 43 on the middle position between two back support rods 4; The moulding of supporting secondary bar 43 is suitable with back support rod 4, and the end is hinged on the related cross bar 10 of back support rod 4 thereafter, and the upper end is hinged on the support rail 6; Described support rail 6 two ends are hinged on respectively on the both sides back support rod 4, say exactly its pin joint be back support rod 4 with the same pin joint of bar 1 on, only need a long rivet can finish hinged between the three.Described support rail 6 has following two kinds of structures:

First support rail 6 is that two two ends have down the U-shaped bar of folding section 61 and connect and form, and two of joint is fallen the folding section and stood in the both sides of supporting secondary bar 43 in 61 minutes, and is hinged on the same pin joint; Described two U-shaped bars and connecing refer to two, and to fall folding section 61 hinged by a long rivet at least, perhaps as the two ends of figure by a connecting rod 62, and respectively with the hinged all-in-one-piece structure of two U-shaped bars;

It two is that support rail 6 is a U-shaped bar, two ends have down folding section 61, two fall folding section 61 is hinged on respectively on the same pin joint of both sides bar 1 and back support rod 4, and support rail 6 central authorities have headtree, the end by this headtree with support secondary bar 43 upper ends and be hinged.

In this example, by supporting secondary bar 43 and support rail 6 cooperations, jointly Sofa cushion fabric 2 middle parts are supported, formed love seat.Moreover, be hinged on the support rail 6 on the rear support 4, adopt U-shaped bar structure, can dodge out the space that cushion fabric 2 sinks, the support rail 6 that is seated can not conflicted at huckle, and the shank of tying tight reduces foreign body sensation, improves comfortableness.

The Folding sofa that the present invention relates to is just called differently from folding seat, and the season of be fit to using is different, and its structure is identical, especially support; Sofa more lies fallow, and the cushion fabric can adopt thicker material, perhaps is filled with the material of foam, is fit to use autumn and winter; Directly adopt the sofa of the slim cushion fabric such as oxford, namely be more suitable for using in summer and spring.No matter be Folding sofa or folding seat, belong to same protection main body, all have a structure identical or that be equal to, all belongs to the row of the present invention's protection.

Claims

1. a Folding sofa includes monosymmetric bar (1), front support rod (3) and back support rod (4), and cushion fabric (2); After back and front supporting bar (3), (4) intersect mutually, the upper end is hinged on respectively on the bar (1), front support rod (3) is hinged with a sliding sleeve (5), back support rod (4) part passes sliding sleeve (5), forms the structure that is movably hinged between back and front supporting bar (3), (4); Two front support rods (3) of described both sides and two back support rods (4), be respectively equipped with related cross bar (10) between the lower end, it is characterized in that bar (1) front portion has the arc section (11) that upwards arches upward, this arc section (11) is on the position of shelving forearm, and both sides bar (1) is provided with related cross bar (10) between the rear end; After described back support rod (4) is hinged with bar (1), has forward an extension (41); Described cushion fabric (2) is set on described extension (41) and the bar (1).

2. a kind of Folding sofa according to claim 1 is characterized in that the inboard of bar 1 also is provided with the secondary bar (12) of a handrail, and the arc section (11) on the secondary bar of this handrail (12) and the bar (1) has suitable arc modeling; The secondary bar of handrail (12) is hinged on the same pin joint of bar (1) and front support rod (3), bar (1) and back support rod (4) at least; Described pin joint adopts long rivet (7) hinged, is arranged with sheath (71) unsettled section of rivet (7).

3. a kind of Folding sofa according to claim 2, it is characterized in that also being provided with a pin joint between the secondary bar (12) of handrail and bar (1) middle part, this riveting point directly passes bar (1) for long rivet (7) and the secondary bar of handrail (12) is riveted.

4. a kind of Folding sofa according to claim 1, it is characterized in that near two front support rods (3) front support rod (3) and the mutual crosspoint of back support rod (4), perhaps be provided with support rail (6) between two back support rods (4).

5. a kind of Folding sofa according to claim 4 is characterized in that support rail (6) is straight rod member, directly conflicts between two front support rods (3) in its two ends; Be arranged with respectively fixed cover (31) on described two front support rods (3), fixed cover 31 sides are provided with sleeve (310), and support rail (6) two ends are plugged in the sleeve (310), form fixed structure.

6. a kind of Folding sofa according to claim 1 is characterized in that forming two bars (1), two front support rods (3) and two back support rods (4) of both sides by a rod member bending, and bending part forms related cross bar (10).

7. according to claim 1,4 or 6 described a kind of Folding sofas, it is characterized in that being provided with limited slip block (42) at back support rod (4), sofa is opened when putting in place, sliding sleeve (5) is conflicted on limited slip block (42), obtains stressed support.

8. according to claim 1,4 or 6 described a kind of Folding sofas, it is characterized in that on the middle position between two back support rods (4), have additional one and support secondary bar (43); The moulding and the back support rod (4) that support secondary bar (43) are suitable, and the end is hinged on the related cross bar (10) of back support rod (4) thereafter, and the upper end is hinged on the support rail (6); Described support rail (6) two ends are hinged on respectively on the both sides back support rod (4), and its pin joint is on the same pin joint of back support rod (4) and bar (1).

9. a kind of Folding sofa according to claim 8, it is characterized in that support rail (6) is a U-shaped bar, two ends have down folding section (61), two fall folding section (61) is hinged on respectively on the same pin joint of both sides bar (1) and back support rod (4), support rail (6) central authorities have headtree (62), the end by this headtree (62) with support secondary bar (43) upper end and be hinged.

10. a kind of Folding sofa according to claim 8, it is characterized in that support rail (6) is that two two ends have down the U-shaped bar of folding section (61) and connect and form, two of joint is fallen to roll over section (61) and is divided the both sides that stand in the secondary bar of support (43), and is hinged on the same pin joint; Described two U-shaped bars and connecing refer to two, and to fall folding section (61) hinged by a long rivet at least, perhaps by the two ends of a connecting rod (63), is hinged to respectively the structure of selecting of one with two U-shaped bars.