CN103405059A

CN103405059A - Folding chair

Info

Publication number: CN103405059A
Application number: CN2013103811009A
Authority: CN
Inventors: 赵羽飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-28
Filing date: 2013-08-28
Publication date: 2013-11-27

Abstract

The invention discloses comprises a folding chair which comprises a seat made of fabric and a bracket, wherein the seat is sleeved on the bracket; the bracket comprises a pair of bracket bodies which are in bilateral symmetry and are connected with each other through two front and back pairs crossed rods; each bracket body comprises a backrest rod, a front supporting rod, a rear supporting leg, a seat supporting rod and handrails, which are connected through connecting pieces; each front supporting rod is a telescopic rod which is composed of an outer rod and an inner rod sleeved in the outer rod, the bottom end of each inner rod is fixedly connected with supporting feet, and the top end of each outer end is connected with the bottom of each handrail through a connecting piece. The folding chair adopts a hard handrail structure, and the handrails are directly supported on the ground, so that the structure is stable; the pair of parallel hard seat supporting rods are adopted by the seat, and the supporting rods sleeved by the seat made of soft cloth cannot collapse, and are convenient to fold and good in comfort.

Description

Folding seat

Technical field

The present invention relates to a kind of household articles or tourism supplies, particularly a kind of folding seat.

Background technology

Folding seat, since invention, because its structure is light, can stack, has been convenient to move and take in, and has obtained liking of people, lives to household from picnic barbecue, recreational fishing, and folding seat obtains a wide range of applications.The structure of folding seat is also constantly being improved, and from initial simple and easy campstool, Armrest by now, with the seat series of backrest.In comfort level, the security aspect has obtained great lifting.

Conventional folding seat, its seat support and armrest portion all adopt fabric to make.Because folding needs, handrail has adopted flexible material to connect the handrail two ends.People are sitting on the folding seat of opening, and the soft cloth handrail can be bent downwardly distortion due to the pressure that is subject to arm, cause the front and back of chair to be shunk to centre, make people produce a kind of sensation of depression, and the after sensation of sitting down is also uncomfortable.

For addressing this problem, the personnel in seat design field design the folding seat of hard structure, and as patent No. CN201220694184.2 " a kind of folding seat ", it has adopted four cross-coupled contraction understructures, and backrest has adopted a pair of vertical rod to support.One end of armrest has adopted the structure of sliding in vertical rod, and has adopted the locking stifle to fix, and the other end of handrail, adopted the folding rod structure, and the bottom of folding rod is supported on the front end connection that shrinks base.

The folding seat of this structure, people are sitting on folding seat, still also uncomfortable.As can be known from its structure, four connectors of the dependence contraction base of its seat support are fixed, and people are sitting on folding seat, still can produce depression, cause the contraction base of four intersections inwardly to shrink, and make people produce the sensation of depression.The front end of the handrail arm place of placing normally in addition, because the bottom of folding rod only is supported on connector, and do not land, and folding rod itself has certain elasticity, causes the handrail front end easily to lean forward, and causes folding seat unstable.

Summary of the invention

Technical problem to be solved by this invention: a kind of folding seat with hard handrail is provided, stabilized structure, folding convenient, comfort level are good.

The present invention addresses the above problem the technical scheme adopted: a kind of folding seat, comprise seat and support that fabric is made, seat webbing is connected on support, it is characterized in that: described support comprise left and right each other symmetrical pair of brackets body by two pairs of front and back crossbar, connect; Described stake body comprises that back support bar, front support rod, rear support leg, seat support bar, handrail are formed by connecting by connector; Described front support rod is expansion link, is comprised of outer bar and the interior bar that is socketed in outer bar inside, and the bottom of interior bar is fixedly connected with the station pin, and the top of outer bar is connected by adaptor with the bottom of handrail.

Described connector comprises the first connector, the second connector and the 3rd connector, and adaptor.

Described the first connector is the U font, and a horizontal rotating shaft passes the connecting hole of both sides, and the bottom of the bottom of back support bar, front support rod is rotationally connected; The hinge hole of the first connector bottom is passed in one vertical rotating shaft, by the first connector and front crossbar bottom-hinged.

Described the 3rd connector is strip, and centre is groove, and this groove coordinates with back support bar, and is rotationally connected by top and the back support bar of groove, and an end of groove is jagged, and the rear end of the other end and handrail is rotationally connected.

Described the second connector is L-type, four installing holes are arranged on the second connector, two installing holes are wherein respectively arranged on two arms, the upper end of rear support pin is fixedly connected with the 3rd installing hole and the 4th installing hole on the second connector, the middle part of back support bar and the second installing hole are rotationally connected, and an end and first installing hole of seat support bar are rotationally connected.

Two arm angles of described the second connector are 135 degree.

Compared with prior art, the invention has the advantages that: back support bar adopts inclined design, and handrail is hard, and has retained appropriate radian design, meets the ergonomics design, uses comfortablely, and the front support rod that passes through of handrail contacts with ground, stabilized structure; Seat adopts the aluminium-alloy pipe of pair of parallel to support, and resistance to deformation is effective, does not produce the depression sense.

The accompanying drawing explanation

Fig. 1, outside drawing of the present invention.

The rack assumption diagram of Fig. 2, folding seat.

The right view of Fig. 3, gathering after-poppet structure.

The structure chart of Fig. 4, the first connector.

The structure chart of Fig. 5, the second connector.

The structure chart of Fig. 6, the 3rd connector.

The specific embodiment

Below in conjunction with accompanying drawing, enforcement of the present invention is further described:

As shown in Figure 1, a kind of folding seat, comprise seat 1 and support that fabric is made.Its medium-height trestle is aluminium-alloy pipe and makes, it comprise left and right each other symmetrical pair of brackets body by front crossbar 7, be connected with rear crossbar 6; Described stake body comprises back support bar 2, front support rod 4, rear support leg 5, seat support bar 8, handrail 3 connects by connector or rivet forms.On seat 1, adapter sleeve is arranged, adapter sleeve is socketed on the first half and seat support bar 8 of back support bar 2.

Because seat support bar 8 is stiff rod, after having put the seat of soft cloth making, can not subside, good stability, be sitting on folding seat and feel comfortable, and described soft cloth includes the sponge liner.

As shown in Figure 2 and Figure 3, rear support leg 5 is connected by adaptor 10 with rear crossbar 6, and the bottom surface of handrail is connected by adaptor 10 with the front support rod top.The top of front crossbar 7 and front support rod 4 are hinged.The side of front support rod and seat support bar 8 is hinged.

The bottom of the bottom of the bottom of front crossbar 7, front support rod 4 and back support bar 2, by the first connector 11, connect, as shown in Figure 4, the first connector is the U font, on two side 111, shaft hole is arranged, axis hole is passed in rotating shaft 112, and sidewall 111 inside and back support bar are rotationally connected, and front support rod is passed in the outer rotating shaft of sidewall.For preventing the sidewall direct friction of front support rod and the first connector, in rotating shaft, also increased a spacer ring 113.The bottom of the first connector also has hinge hole 114, and the first connector and front crossbar 7 are rotationally connected.

As shown in Figure 5, the second connector 12 is the L-type clamping plate of two symmetries, is arranged on the both sides of back support bar 2, rear support leg 5 and seat support bar 8.Four installing holes are arranged on the second connector, two installing holes are wherein respectively arranged on two arms, the rear support leg is fixedly connected with the 3rd installation 123 holes and the 4th installing hole 124 on the second connector, the middle part of back support bar and the second installing hole 122 are rotationally connected, and an end of seat support bar and first is installed 121 holes and is rotationally connected.Two arm angles of the second connector are 135 degree.

As shown in Figure 6, the 3rd connector 13 is strip, centre is groove, this groove coordinates with back support bar, and be rotationally connected by connecting hole 131 and the back support bar 2 on groove top, one end of groove is jagged 133, and the shaft hole 132 of the other end is rotationally connected for the rear end by handrail 3 and the 3rd connector.When folding seat was launched fully, groove 133 offseted with back support bar 2, makes handrail 3 firm.

Front support rod 4 is expansion link, and it is comprised of outer bar 41 and the interior bar 42 that is socketed in outer bar inside, and the bottom of interior bar is fixedly connected with station pin 43, and the top of outer bar, be connected by tumbler with the bottom of handrail 3.

As shown in Figure 3, handrail is upwards lifted, and the handrail of the left and right sides is drawn in to central authorities, front support rod extends, 8 years old front support rod of seat support bar upwards lifts, back support bar 2 be take the second installing hole 122 of the second connector and is rotated as the center of circle, becomes plumbness by heeling condition, realizes that folding seat draws in fully.

Disclosed by the invention is, on the basic structure of folding seat, on the basis of this structure, also can comprise the additional structures such as drinking cup holder, gripper shoe, all belongs to existing routine techniques, within belonging to this patent protection domain.

Claims

1. folding seat, comprise seat and support that fabric is made, and seat webbing is connected on support, it is characterized in that: described support comprise left and right each other symmetrical pair of brackets body by two pairs of front and back crossbar, connect; Described stake body comprises that back support bar (2), front support rod (4), rear support leg (4), seat support bar (4), handrail are formed by connecting by connector; Described front support rod is expansion link, is comprised of outer bar (41) and the interior bar (42) that is socketed in outer bar inside, and the bottom of interior bar is fixedly connected with the station pin, and the top of outer bar is connected by adaptor (10) with the bottom of handrail.

2. folding seat according to claim 1, it is characterized in that: described connector comprises the first connector (11), the second connector (12) and the 3rd connector (13), and adaptor (10).

3. folding seat according to claim 2, it is characterized in that: described the first connector is the U font, a horizontal rotating shaft (112) passes the connecting hole of two side (111), and the bottom of the bottom of back support bar (2), front support rod (4) is rotationally connected; The first connector bottom (114) is passed in one vertical rotating shaft, by the bottom-hinged of the first connector and front crossbar (7).

4. folding seat according to claim 2, it is characterized in that: described the 3rd connector is strip, centre is groove, this groove coordinates with back support bar (2), and be rotationally connected by connecting hole (131) and the back support bar on groove top, one end of groove jagged (133), shaft hole (132) is rotationally connected for the rear end of the 3rd connector and handrail (3).

5. folding seat according to claim 2, it is characterized in that: described the second connector is L-type, four installing holes are arranged on the second connector, two installing holes are respectively arranged on two arms of the second connector, the upper end of rear support pin is fixedly connected with the 3rd installing hole (123) and the 4th installing hole (124) on the second connector, the middle part of back support bar and the second installing hole (122) are rotationally connected, and an end of seat support bar and the first installing hole (121) are rotationally connected.

6. folding seat according to claim 5 is characterized in that: two arm angles of described the second connector (12) are 135 degree.