CN209499181U

CN209499181U - A kind of folding seat

Info

Publication number: CN209499181U
Application number: CN201821751236.9U
Authority: CN
Inventors: 薛勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-28
Filing date: 2018-10-28
Publication date: 2019-10-18
Anticipated expiration: 2028-10-28

Abstract

The present utility model is related to a kind of folding seat, including seat pipe, back pipe, handrail tube, front leg tube, handrail panel, cant trombone slide, push and pull pipe etc., when expansion, seat pipe, back pipe, handrail tube and front leg tube form positive parallelogram in the same plane, cant trombone slide one end and front foot disk are hinged, front foot disk connection telescoping tube protrudes into front foot pipe, the other end and seat pipe, or handrail tube, or the upper hinged sliding sleeve on back pipe is hinged, push-and-pull pipe is hinged with cant trombone slide and low sleeve, change the angle of handrail tube and back pipe, drive front leg tube, seat pipe, the movement of cant trombone slide and push-and-pull pipe, to drive with it is preceding hinged and it is front lower hingedly, it is upper hinged and rear lower hinged afterwards, hinged sliding sleeve and penstock hinged support down, hinged sliding sleeve and the hinged front cross pipe and rear cross pipe of upper hinged sliding sleeve are shunk and are unfolded to move down, it realizes Folding and expansion to the folding seat in regular quadrangle structure；Armrest surface sleeve-board is on handrail tube, using limit sliding chutes, deployable and folding.

Description

A kind of folding seat

Technical field

The present utility model is related to furniture item, belongs to outdoor travel foldable chair, especially collapsible director's chair.

Background technique

In the folding seat that existing tourism and leisure folds class product, majority is the soft cover of no hard tube structure, soft handrail Folding seat, although there is hard seat pipe in nearly more than ten years, the folding seat of hard handrail tube, seat pipe, back pipe, front leg tube, When handrail tube is at regular quadrangle arragement construction, folding cannot achieve.The side as tradition folds director's chair is seen with positive four Up to the present the moulding of side shape can only also fold slabbing, be not possible to be folded into column, that is to say, that tradition folds director's chair It folding and expansion can only change on two-dimensional direction, can not make it on three-dimensional while be changed to realize folding and exhibition It opens；Secondly, all no configuration handrail panel of the handrail tube of all folding seat, the reason is that fixed handrail panel can greatly increase packet Fill volume, that is to say, that after chair folds and unfolds, handrail panel can not facilitate folding and expansion；Furthermore tradition folds director The additional desktop that chair or common folding seat are configured all is hardfaced plate, is reached other than chair, and the spaces such as passageway, shadow are occupied Other staff are rung to pass through.For this purpose, side regards positive four as it is desirable to there is Shape Modelling after a expansion to be similar to traditional director's chair Side shape modeling structure, handrail panel can carry out folding and expansion easily, and the desktop that small article is placed after expansion should not account for According to passageway and influence, other people are passing.

Summary of the invention

The purpose of the present utility model is exactly to be the provision of a kind of folding seat, from the side seat pipe, back pipe, foreleg Pipe, handrail tube are arranged at regular quadrangle structure, are similar to side view tradition director's chair, can be folded into column easily, are folded and are opened up When unfolding folding chair, handrail panel also can folding and expansion easily, configured with built-in flexible desktop.

The purpose of the present utility model is reached by following measure:

A kind of folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), seat pipe rear support (5), Seat pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, handrail panel (17), cant trombone slide (1.1) push away Trombone slide (1.2) pushes and pulls piping support (1.6), low sleeve (1.3), front foot disk (13), protracts the draw (15), front cross pipe (11), Rear cross pipe (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4) prop up after seat pipe It holds (5), seat pipe front support (7), after articulation piece (8) and handrail tube rear support (6) are articulated and connected before handrail tube, two-by-two in parallel, In same plane, arrange that cant trombone slide (1.1) is diagonally disposed in positive parallelogram sturcutre, one end and seat pipe (1) hingedly, separately Hingedly, front foot disk (13) is protruded into and is sleeved in front leg tube (4) equipped with the extension draw (15) for one end and front foot disk (13), push-and-pull pipe (1.2) one end and low sleeve (1.3) hingedly, push-and-pull piping support (1.6) of the other end through being fixed on push-and-pull pipe (1.2) and tiltedly Push-and-pull pipe (1.1) is hinged hinged, two front cross pipes (11) be hinged after respectively with seat pipe front support (7 and cant trombone slide (1.1) and it is preceding intersect bearing (1.4) on preceding upper hinge part (12) and preceding lower hinge (14) hingedly, two rear cross pipes (10) After being hinged respectively with rear lower hinged (20) and rear hinged (21) on low sleeve (1.3) hingedly, change handrail tube (3) With the angle of back pipe (2), handrail tube (3), back pipe (2), parallelogram is moved immediately for seat pipe (1) and front leg tube (4), Realize the folding and expansion of folding seat.Body folding motion process are as follows: front leg tube (4) and seat pipe (1) are rotated up, and are intersected before driving (11) contractile motion is managed, cant trombone slide (1.1) pushes down on front foot disk (1.1), and the extension draw (15) is stretched out from front leg tube (4), together When, cant trombone slide (1.1) also pushes down on push-and-pull pipe (1.2) and the lower hinged sliding sleeve (1.3) hinged with it, along back pipe (2) move downward, drive rear cross pipe (10) contractile motion, while folding before and after folding seat, in front cross pipe (11) and Under the collective effect of rear cross pipe (10), the left and right directions of folding seat also carries out folding simultaneously, finally realizes the folding of folding seat, The motion process being specifically unfolded is then on the contrary.

Further, handrail panel (17) is socketed on handrail tube (3), and handrail tube riveting has multiple positioning pins (18), is being helped Positioning pin (18) socket place on gesture and facial expression plate (17) and handrail tube (3) is provided with the sliding slot (19) of many places axially and radially, positioning pin (18) sliding in sliding slot (19) can both limit handrail panel (17) expansion and collapsed position, and it is appropriate axially to make Mobile, to reach handrail panel (17) energy folding or be deployed into position appropriate, handrail tube (3) is through articulation piece before handrail tube (8) Hingedly with front leg tube (4), the outer diameter of preceding articulation piece (8) is less than or equal to handrail tube (3) outer diameter, hinged before handrail tube The front leg tube (4) of part (8) excessively, reaches the handrail moulding phase with the director's chair for currently folding slabbing using larger arc (9) Seemingly.

Further, cant trombone slide (1.1) is perhaps articulately arranged at the outside of seat pipe (1) or is articulately arranged at seat pipe (1) Inside equally push-and-pull pipe (1.2) and push and pull piping support (1.6) or be arranged in the insides of cant trombone slide (1.1), Huo Zhebu The outside in cant trombone slide (1.1) is set, push-and-pull pipe (1.2) or water are perhaps in the same plane with cant trombone slide (1.1) Plain cloth is set, or oblique inclination arrangement backward.

A kind of folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), seat pipe rear support (5), Seat pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, penstock hinged support (16), cant trombone slide (2.1), push-and-pull pipe (2.2), lower hinged sliding sleeve (2.3), front foot disk (13) protract the draw (15), and front cross pipe (11) is rear to intersect It manages (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), through seat pipe rear support (5), Seat pipe front support (7), before handrail tube after articulation piece (8) and handrail tube rear support (6) articulated connection, two-by-two in parallel, same flat In face, arrange that cant trombone slide (2.1) is diagonally disposed in positive parallelogram sturcutre, one end and handrail tube (3) hingedly, the other end Hingedly with front foot disk (13), front foot disk (13) is protruded into and is sleeved in front leg tube (4) equipped with the extension draw (15), push-and-pull pipe (2.2) One end and lower hinged sliding sleeve (2.3) are hingedly, hinged in the middle part of the other end and cant trombone slide (2.1), and two front cross pipes (11) are mutual After hinged respectively with seat pipe front support (7 and cant trombone slide (2.1) and the preceding preceding upper hinge part (12) intersected on bearing (2.4) and before Lower hinge (14) hingedly, hingedly prop up with lower hinged sliding sleeve (2.3) and penstock respectively after being hinged by two rear cross pipes (10) It holds (16) hingedly, changes the angle of handrail tube (3) and back pipe (2), handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) parallelogram moves immediately, realizes the folding and expansion of folding seat.Specific folding motion process are as follows: front leg tube (4) and Seat pipe (1) is rotated up, and drives front cross pipe (11) contractile motion, and cant trombone slide (1.1) pushes down on front foot disk (13), front stretching It manages (15) to stretch out from front leg tube (4), while cant trombone slide (2.1) also pushes down on push-and-pull pipe (2.2) and the lower hinge hinged with it Sliding sleeve (2.3) are connect, are moved downward along back pipe (2), rear cross pipe (10) contractile motion, the folding before and after folding seat are driven While, under the collective effect of front cross pipe (11) and rear cross pipe (10), the left and right directions of folding seat is also received simultaneously Folding finally realizes the folding of folding seat.The motion process being specifically unfolded is then on the contrary.

Further, handrail tube (3) through articulation piece before handrail tube (8) and front leg tube (4) hingedly, for convenient for configuring handrail panel (17) and package handrail foam fabric, the outer diameter of preceding articulation piece (8) are less than or equal to handrail tube (3) outer diameter, in close handrail tube The front leg tube (4) of preceding articulation piece (8) is excessive using larger arc (9).With the handrail of the current traditional director's chair for folding slabbing Modeling structure is similar.

Further, cant trombone slide (2.1) is perhaps articulately arranged at the outside of handrail tube (3) or is articulately arranged at handrail The inside of (3) is managed, equally, push-and-pull pipe (2.2) is perhaps arranged in the outside of cant trombone slide (2.1) or is arranged in cant trombone slide (2.1) inside is perhaps in the same plane push-and-pull with cant trombone slide (2.1) and manages (2.2) or horizontally disposed, Huo Zhexiang It retreads to inclination arrangement.In unfolded chair, there is limited block (2.5) limitation push-and-pull pipe (2.2) gradient, or limit and push away The height that the hinged lower hinged sliding sleeve (2.3) of trombone slide (2.2) rises.Push-and-pull pipe (2.2) close to it is horizontally disposed when, two push-and-pull manage (2.2) the built-in flexible desktop effect not taken up space may be implemented in flat-seam fabric between；Meanwhile it is close to push and pull pipe (2.2) When horizontally disposed, push-and-pull pipe (2.2) and back pipe (2) is in small angle of friction close to 90 degree, keeps folding seat locked, keeps exhibition Open state.

Further, seat pipe (1) is other than the necessary hinge hole in both ends, in the middle without hinge hole, also not with other What pipe fitting is hinged.Both it had been convenient for package sewing fabric, and had also directed making for the hingeless contact of seat tube with the usual tradition for folding slabbing Type structure is similar.

A kind of folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), seat pipe rear support (5), Seat pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, cant trombone slide (3.1), push-and-pull pipe (3.2), under Hinged sliding sleeve (3.3), upper hinged sliding sleeve (3.6), rotating bar (3.7), front foot disk (13) protract the draw (15), front cross pipe (11), rear cross pipe (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), through seat Pipe rear support (5), seat pipe front support (7) are put down two-by-two before handrail tube after articulation piece (8) and handrail tube rear support (6) articulated connection Row arranges that cant trombone slide (3.1) is diagonally disposed in positive parallelogram sturcutre, one end and back pipe (2) in the same plane Hingedly, hingedly, front foot disk (13) is equipped with the extension draw (15) to the upper hinged sliding sleeve (3.6) on top for the other end and front foot disk (13), It protrudes into and is sleeved in front leg tube (4), the rear upper end hole of rotating bar (3.7) one end and cant trombone slide (3.1) is hinged and hinged simultaneously Upper hinged sliding sleeve (3.6), hingedly, push-and-pull manages (3.2) one end and lower hinged sliding sleeve (3.3) hingedly for the other end and handrail tube (3), The other end and cant trombone slide (3.1) hingedly, two front cross pipes (11) be hinged after respectively with seat pipe front support (7) and cant Trombone slide (3.1) and it is preceding intersect bearing (3.4) on preceding upper hinge part (12) and preceding lower hinge (14) hingedly, two rear cross pipes (10) after being hinged respectively with lower hinged sliding sleeve (3.3) and upper hinged sliding sleeve (3.6) hingedly, change handrail tube (3) and back The angle of (2) is managed, handrail tube (3), back pipe (2), parallelogram moves immediately for seat pipe (1) and front leg tube (4), realizes folding The folding and expansion of folding chair.Specific folding motion process are as follows: front leg tube (4) and seat pipe (1) are rotated up, and drive front cross pipe (11) contractile motion, cant trombone slide (3.1) push down on front foot disk (13), and the extension draw (15) is stretched out from front leg tube (4), and cant is drawn Pipe (3.1) also pushes down on push-and-pull pipe (3.3) and the lower hinged sliding sleeve (3.3) hinged with it, transports downwards along back pipe (2) Dynamic, handrail tube (3) and back pipe (2) angle reduce, and push rotation pipe (3.7) and cant trombone slide (3.1) and upper hinged sliding sleeve (3.3) it is moved up along back pipe (2), drives rear cross pipe (10) contractile motion, while folding before and after folding seat, Under the collective effect of front cross pipe (11) and rear cross pipe (10), the left and right directions of folding seat also carries out folding simultaneously, last real The folding of existing folding seat.The motion process being specifically unfolded is then on the contrary.

Further, handrail tube (3) through articulation piece before handrail tube (8) and front leg tube (4) hingedly, for convenient for configuring handrail panel (17) it is less than or equal to handrail tube (3) outer diameter with package handrail fabric, the outer diameter of preceding articulation piece (8), is cut with scissors before handrail tube The front leg tube (4) of fitting (8) is excessive using larger arc (9).With the handrail modeling structure of the current director's chair for folding slabbing It is similar.

Further, cant trombone slide (3.1) is perhaps articulately arranged at the outside of back pipe (2) or is articulately arranged at back The inside of (2) is managed, equally, push-and-pull pipe (3.2) is perhaps arranged in the outside of cant trombone slide (3.1) or is arranged in cant trombone slide (3.1) inside is perhaps in the same plane push-and-pull with cant trombone slide (3.1) and manages (3.2) or horizontally disposed, Huo Zhexiang It retreads to inclination arrangement.In unfolded chair, there is limited block (3.5) limitation push-and-pull pipe (3.2) gradient, or limit and push away The height that the hinged lower hinged sliding sleeve (3.3) of trombone slide (3.2) rises.Push-and-pull pipe (3.2) close to it is horizontally disposed when, two push-and-pull manage (3.2) the built-in flexible desktop effect not taken up space may be implemented in flat-seam fabric between；Meanwhile it is close to push and pull pipe (3.2) When horizontally disposed, push-and-pull pipe (3.2) and back pipe (2) is in small angle of friction close to 90 degree, keeps folding seat locked, keeps exhibition Open state.

Further, seat pipe (1) is other than the necessary hinge hole in both ends, in the middle without hinge hole, also not with other What pipe fitting is hinged, the moulding knot convenient for package sewing fabric, with the usual tradition director's hingeless contact of seat tube for folding slabbing Structure is similar, in addition, handrail tube (3) is other than the necessary hinge hole in both ends, it is also not hinged with other any pipe fittings.

The present utility model by adopting the above technical scheme, the advantage is that:

1. add cant trombone slide structure using the moulding of side regular quadrangle, folding seat more modern design can be made, style, but it is same When can be folded into column again, packaging volume is substantially reduced, the 1/4 of only traditional director's chair packaging volume, reduce transportation logistics Cost.

2. handrail panel and handrail tube are socketed mode, i.e. handrail panel can also carry out folding and expansion, and reducing has The packaging volume of hard handrail panel folding seat, it is easy to carry.

3. having no or only hinge joint at one in the middle part of the seat pipe of folding seat, sewed convenient for the package of fabric, while fabric is used Material is also relatively fewer, reduces and manufactures cost

4. push and pull pipe using basic horizontal arrangement, it can not have in addition increase lock construction, can realize easily with small The folding seat of angle of friction principle locking expansion, makes folding seat keep unfolded state, this is the function that general folding seat cannot achieve Can, the traditional director's chair of expansion can be reached and cross the function that dead point locks automatically.

5. the flat-seam fabric between two push-and-pull pipes may be implemented not take up space when pushing and pulling pipe and being arranged using basic horizontal Built-in flexibility desktop effect.

Detailed description of the invention

Fig. 1 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with seat pipe and front foot disk It connects, push-and-pull pipe is located on the inside of cant trombone slide in horizontally disposed, and armrest surface sleeve-board is equipped with seat surface material, backrest surface on handrail tube Material and flexible desktop material, the axonometric three-dimensional view of unfolded state.

Fig. 2 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with seat pipe and front foot disk It connects, push-and-pull pipe is located on the inside of cant trombone slide in horizontally disposed, and handrail plate kit is deployed on handrail tube, and the axis of unfolded state is surveyed Perspective view.

Fig. 3 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with seat pipe and front foot disk It connects, push-and-pull pipe is located on the inside of cant trombone slide, and handrail plate kit folding is surveyed three-dimensional on handrail tube in the axis of semi-collapsed condition Figure.

Fig. 4 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with seat pipe and front foot disk It connects, handrail plate kit folding is on handrail tube, in the axonometric three-dimensional view of completely folded state.

Fig. 5 is the utility model folding seat, and the right armrest surface sleeve-board is on handrail tube, slot of the positioning pin in handrail panel Interior sliding, handrail panel is in the partial enlarged view that positioning states are unfolded.

Fig. 6 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with handrail tube and front foot disk It connects, push-and-pull pipe is located in arrangement is tilted backwards on the inside of cant trombone slide, and handrail tube is not set with handrail panel, surveys in the axis of unfolded state Perspective view.

Fig. 7 is the partial enlargement of the utility model armrest for folding chair pipe and front leg tube through articulation piece before handrail tube when hinged Figure.

Fig. 8 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with handrail tube and front foot disk It connects, push-and-pull pipe is located at cant trombone slide disposed inboard, in the axonometric three-dimensional view of semi-collapsed condition.

Fig. 9 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, is cut with scissors respectively with handrail tube and front foot disk It connects, push-and-pull pipe is located at cant trombone slide disposed inboard, in the axonometric three-dimensional view of completely folded state.

Figure 10 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, respectively with upper hinged sliding sleeve and before Foot disk is hinged, and push-and-pull pipe is with cant trombone slide in same plane and in arrangement is tilted backwards, and handrail tube is not set with handrail panel, in exhibition The axonometric three-dimensional view of open state.

Figure 11 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, respectively with upper hinged sliding sleeve and before Foot disk is hinged, and push-and-pull pipe arranges that handrail tube is not set with handrail panel, in the axis of semi-collapsed condition in same plane with cant trombone slide Survey perspective view.

Figure 12 is the utility model folding seat, and cant trombone slide is located at seat pipe planar outboard, respectively with upper hinged sliding sleeve and before Foot disk is hinged, and push-and-pull pipe arranges that handrail tube is not set with handrail panel, in completely folded state in same plane with cant trombone slide Axonometric three-dimensional view.

Specific embodiment

Refering to fig. 1 to Fig. 5 and Fig. 7, folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), Seat pipe rear support (5), seat pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, handrail panel (17), tiltedly Push-and-pull pipe (1.1), push-and-pull pipe (1.2) push and pull piping support (1.6), low sleeve (1.3), front foot disk (13), protract the draw (15), Front cross pipe (11), rear cross pipe (10), seat pipe (1) here, back pipe (2), handrail tube (3), front leg tube (4), through seat pipe Rear support (5), seat pipe front support (7) are put down two-by-two before handrail tube after articulation piece (8) and handrail tube rear support (6) articulated connection Row arranges that cant trombone slide (1.1) is diagonally disposed in positive parallelogram sturcutre, behind one end and seat pipe (1) in the same plane Portion is hinged, and hingedly, front foot disk (13) protrudes into equipped with the extension draw (15) and is sleeved on front leg tube (4) for the other end and front foot disk (13) Interior, hingedly, the other end is through being fixed on the push-and-pull piping support pushed and pulled on pipe (1.2) for push-and-pull pipe (1.2) one end and low sleeve (1.3) (1.6) with cant trombone slide (1.1) hingedly, two front cross pipes (11) be hinged after respectively with seat pipe front support (7) and cant Trombone slide (1.1) and it is preceding intersect bearing (1.4) on preceding upper hinge part (12) and preceding lower hinge (14) hingedly, two rear cross pipes (10) hinged (21) are gone up hingedly with rear lower hinged (20) on low sleeve (1.3) and afterwards respectively after being hinged, folding seat folding When, horizontal push-and-pull pipe (1.2) and low sleeve (1.3) are pushed down on first, are greater than the angle of friction of push-and-pull pipe () and back pipe It 5 degree or more, unlocks, then pins back pipe (2), lift handrail tube (3), reduce the folder of handrail tube (3) and back pipe (2) Angle, handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) parallelogram contractile motion immediately, at this point, cant is drawn Pipe (1.1) relatively rotates, and on the one hand moves upwards, on the other hand pushes down on front foot disk (13) with seat pipe (1), drives extension The draw (15) stretches out front leg tube (4), and due to seat pipe (1), front leg tube (4) is moved upwards, the seat pipe front support (7) connecting with them It is also moved upwards with the preceding upper hinge (12) hinged with seat pipe front support (7), drives front cross pipe (11) contractile motion, together When, cant trombone slide (1.1) also pushes down on push-and-pull pipe (1.2) and the low sleeve hinged with it (1.3), along back pipe (2) to Lower movement drives rear cross pipe (10) contractile motion, while folding before and after folding seat, in front cross pipe (11) and rear intersection Under the action of the co-contraction movement for managing (10), the left and right directions of folding seat is also synchronous to carry out folding, finally realizes folding seat Folding.In turn, when folding seat is unfolded, back pipe (2) is pinned, are pushed away handrail tube (3), increase handrail tube (3) and back pipe (2) Angle, handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) movement of parallelogram expansion immediately, at this point, tiltedly Push-and-pull pipe (1.1) relatively rotates, and on the one hand moves downward with seat pipe (1), on the other hand pushes down on front leg tube (4) and upward It pulls front foot disk (13), the extension draw (15) is driven to protrude into front leg tube (4), due to seat pipe (1), front leg tube (4) is moved downward, with The seat pipe front support (7) and the preceding upper hinge (12) hinged with seat pipe front support (7) that they connect also move downward, before drive Cross pipe (11) expansion movement, meanwhile, cant trombone slide (1.1) also pulls up push-and-pull pipe (1.2) and the low sleeve hinged with it (1.3), it is moved upwards along back pipe (2), rear cross pipe (10) expansion movement is driven, until low sleeve (1.3) is fast against limit (1.5) only, while being unfolded before and after folding seat, in the movement that is co-stretched of front cross pipe (11) and rear cross pipe (10) Under effect, the left and right directions of folding seat is also unfolded simultaneously, finally realizes the expansion of folding seat, at this moment, seat pipe fabric, back Also expansion is taut flat therewith for pipe fabric and built-in flexible desktop material.

Further, handrail panel (17) is socketed on handrail tube (3), and riveting has multiple positioning pins (18) on handrail tube (3), Positioning pin (18) socket place on handrail panel (17) and handrail tube (3) is provided with the sliding slot (19) of many places axially and radially, fixed Position pin (18) can the sliding in sliding slot (19)；When folding seat folding is to certain position, (19) rotary handle along the chute upwards Panel (17) certain angle, in place after, the axial positive direction of sliding slot (19) on handrail panel (17) pushes handrail panel (17), After in place, (19) rotary handle panel (17) along the chute, can make handrail panel (17) for handrail panel (17) folding still further below It is close to front foot pipe (4) and seat pipe (1) in downside；When folding seat is deployed into certain position, (19) rotary handle face along the chute upwards Plate (17), in place after, the axial opposite direction of sliding slot (19) on handrail panel (17) pushes handrail panel (17), in place after, then (19) rotary handle panel (17) can smooth expansion handrail panel (17) against positioning pin (18) along the chute downwards；Handrail tube (3) hingedly through articulation piece before handrail tube (8) and front leg tube (4), the outer diameter of preceding articulation piece (8) is less than or equal to handrail tube (3) outside Diameter uses larger arc (9) excessively in the front leg tube (4) close to articulation piece (8) before handrail tube, reaches and currently fold slabbing Director's chair handrail moulding it is similar.

Further, cant trombone slide (1.1) is perhaps articulately arranged at the outside of seat pipe (1) or is articulately arranged at seat pipe (1) Inside equally push-and-pull pipe (1.2) and push and pull piping support (1.6) or be arranged in the insides of cant trombone slide (1.1), Huo Zhebu The outside in cant trombone slide (1.1) is set, push-and-pull pipe (1.2) or water are perhaps in the same plane with cant trombone slide (1.1) Plain cloth is set, or oblique inclination arrangement backward.In unfolded chair, there is limited block (1.5) limitation push-and-pull pipe (1.2) inclination The height that (1.2) hinged lower hinged sliding sleeve (1.3) rises is managed in degree, or limitation with push-and-pull.The close level of push-and-pull pipe (1.2) When arrangement, the built-in flexible desktop effect not taken up space is may be implemented in the flat-seam fabric between two push-and-pull pipes (1.2)；Meanwhile Push-and-pull pipe (1.2) close to it is horizontally disposed when, push-and-pull pipe (1.2) and back pipe (2) in small angle of friction, makes to fold close to 90 degree Chair is locked, keeps unfolded state.

Refering to Fig. 6 to Fig. 9 and Fig. 5, folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), Seat pipe rear support (5), seat pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, penstock hinged support (16), cant trombone slide (2.1), push-and-pull pipe (2.2), lower hinged sliding sleeve (2.3), front foot disk (13) protract the draw (15), preceding intersection It manages (11), rear cross pipe (10), seat pipe (1) here, back pipe (2), handrail tube (3), front leg tube (4), through seat pipe rear support (5), seat pipe front support (7), before handrail tube after articulation piece (8) and handrail tube rear support (6) articulated connection, two-by-two in parallel, same In one plane, arrange that cant trombone slide (2.1) is diagonally disposed in positive parallelogram sturcutre, one end and handrail tube (3) rear portion are cut with scissors It connects, hingedly, front foot disk (13) is protruded into and is sleeved in front leg tube (4), push away equipped with the extension draw (15) for the other end and front foot disk (13) Trombone slide (2.2) one end and lower hinged sliding sleeve (2.3) hingedly, the other end and cant trombone slide (2.1) hingedly, two front cross pipes (11) after being hinged respectively with seat pipe front support (7) and cant trombone slide (2.1) and the preceding preceding upper hinge part intersected on bearing (2.4) (12) and preceding lower hinge (14) hingedly, two rear cross pipes (10) be hinged after respectively with lower hinged sliding sleeve (2.3) and back Pipe hinged support (16) hingedly, when folding seat folding, is pinned back pipe (2), is lifted handrail tube (3), reduces handrail tube (3) with after The angle of penstock (2), handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) parallelogram contractile motion immediately, At this point, cant trombone slide (2.1) relatively rotates, is on the one hand moved upwards with handrail tube (1), on the other hand push down on front foot disk (13), the extension draw (15) is driven to stretch out front leg tube (4), due to seat pipe (1), front leg tube (4) is moved upwards, and is connect with them Seat pipe front support (7) and the preceding upper hinge (12) hinged with seat pipe front support (7) also move upwards, drive front cross pipe (11) contractile motion, meanwhile, cant trombone slide (2.1) also pushes down on push-and-pull pipe (2.2) and the lower hinged sliding sleeve hinged with it (2.3), it is moved downward along back pipe (2), drives rear cross pipe (10) contractile motion, while folding before and after folding seat, Under the action of the movement of the co-contraction of front cross pipe (11) and rear cross pipe (10), the left and right directions of folding seat is also synchronous to be carried out The folding of folding seat is finally realized in folding.In turn, when folding seat is unfolded, back pipe (2) is pinned, handrail tube (3) is pushed away, adds The angle of big handrail tube (3) and back pipe (2), handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) are immediately in parallel Quadrangle expansion movement, at this point, cant trombone slide (2.1) relatively rotates, on the one hand moves downward with handrail tube (3), another party Front leg tube (4) are pushed downwards and are pulled up front foot disk (13), drive the extension draw (15) to protrude into front leg tube (4), due to seat Manage (1), front leg tube (4) moves downward, the seat pipe front support (7) that connect with them and with seat pipe front support (7) hingedly before on Articulation piece (12) also moves downward, and drives front cross pipe (11) expansion movement, meanwhile, cant trombone slide (2.1), which also pulls up, to be pushed away Trombone slide (2.2) and the lower hinged sliding sleeve (2.3) hinged with it, move upwards along back pipe (2), drive rear cross pipe (10) exhibition Movement is opened, until lower hinged sliding sleeve (2.3) stops against fast (2.5) are limited, while being unfolded before and after folding seat, in front cross pipe (11) it is co-stretched under the action of movement with rear cross pipe (10), the left and right directions of folding seat is also unfolded simultaneously, finally Realize the expansion of folding seat, at this moment, seat pipe fabric, also expansion is taut therewith for back pipe fabric and interior inclined type flexibility desktop material It is flat；Handrail tube (3) is wrapped up using foam and fabric, comfortable handrail.Seat pipe (1) is other than the necessary hinge hole in both ends, wherein Portion does not have hinge hole, not hinged with other any pipe fittings yet.

Further, handrail tube (3) through articulation piece before handrail tube (8) and front leg tube (4) hingedly, for convenient for configuring handrail panel (17) and package handrail foam fabric, the outer diameter of preceding articulation piece (8) are less than or equal to handrail tube (3) outer diameter, in close handrail tube The front leg tube (4) of preceding articulation piece (8) uses larger arc (9) excessively, the handrail with the current traditional director's chair for folding slabbing Modeling structure is similar.Equally, handrail tube (3) can also be socketed handrail panel (17), and it is multiple fixed to have riveted on handrail tube (3) Position pin (18), positioning pin (18) socket place on handrail panel (17) and handrail tube (3) are provided with the cunning of many places axially and radially Slot (19), positioning pin (18) can the slidings in sliding slot (19)；When folding seat folding is to certain position, upwards along the chute (19) rotary handle panel (17) certain angle, in place after, the axial positive direction of sliding slot (19) on handrail panel (17) pushes Handrail panel (17), in place after, (19) rotary handle panel (17) along the chute still further below, can by handrail panel (17) folding, Make to be close to front foot pipe (4) and seat pipe (1) on the downside of handrail panel (17)；When folding seat is deployed into certain position, upwards along the chute (19) rotary handle panel (17), in place after, the axial opposite direction of sliding slot (19) on handrail panel (17) pushes handrail panel (17), after in place, (19) rotary handle panel (17) can smooth expansion handrail against positioning pin (18) along the chute still further below Panel (17).

0 to Figure 12 and Fig. 5, Fig. 7, folding seat refering to fig. 1, comprising: seat pipe (1), back pipe (2), handrail tube (3), foreleg It manages (4), seat pipe rear support (5), seat pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, cant trombone slide (3.1), push-and-pull pipe (3.2), lower hinged sliding sleeve (3.3), upper hinged sliding sleeve (3.6), rotating bar (3.7), front foot disk (13), extension The draw (15), front cross pipe (11), rear cross pipe (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), through seat pipe rear support (5), seat pipe front support (7), articulation piece (8) and handrail tube rear support before handrail tube (6) it after being articulated and connected, two-by-two in parallel, in the same plane, is arranged in positive parallelogram sturcutre, cant trombone slide (3.1) is oblique Arrangement, the upper hinged sliding sleeve (3.6) on one end and back pipe (2) top hingedly, the other end and front foot disk (13) hingedly, front foot disk (13) it equipped with the extension draw (15), protrudes into and is sleeved in front leg tube (4), behind rotating bar (3.7) one end and cant trombone slide (3.1) Upper end hole is hinged and hinged upper hinged sliding sleeve (3.6) simultaneously, and the other end and handrail tube (3) rear portion are hinged, and (3.2) one end is managed in push-and-pull Hingedly with lower hinged sliding sleeve (3.3), hingedly, two front cross pipes (11) are divided after being hinged for the other end and cant trombone slide (3.1) Not with seat pipe front support (7) and cant trombone slide (3.1) and preceding preceding upper hinge part (12) and the preceding lower hinge intersected on bearing (3.4) (14) hingedly, it is cut with scissors respectively with lower hinged sliding sleeve (3.3) and upper hinged sliding sleeve (3.6) after two rear cross pipes (10) are hinged It connects, when folding seat folding, pins back pipe (2), lift handrail tube (3), reduce the angle of handrail tube (3) and back pipe (2), Handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) parallelogram contractile motion immediately, at this point, cant trombone slide (3.1) it relatively rotates, is on the one hand moved upwards with handrail tube (1), on the other hand pushed down on front foot disk (13), drive extension The draw (15) stretches out front leg tube (4), and due to seat pipe (1), front leg tube (4) is moved upwards, the seat pipe front support connecting with them (7) hinged preceding upper hinge (12) also moves upwards and with seat pipe front support (7), drives front cross pipe (11) contractile motion, Meanwhile cant trombone slide (3.1) also pushes down on push-and-pull pipe (3.2) and the lower hinged sliding sleeve (3.3) hinged with it, along back Pipe (2) moves downward, meanwhile, under the action of handrail tube (3), rotating bar (3.7) and cant trombone slide (3.1), upper hinged sliding sleeve (3.6) it is moved up along back pipe (2), rear cross pipe (10) contractile motion is driven, while folding before and after folding seat, preceding Under the action of the movement of the co-contraction of cross pipe (11) and rear cross pipe (10), the left and right directions of folding seat, which also synchronizes, to be received Folding finally realizes the folding of folding seat.In turn, when folding seat is unfolded, back pipe (2) is pinned, are pushed away handrail tube (3), increased The angle of handrail tube (3) and back pipe (2), handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) are immediately in parallel Quadrangle expansion movement, at this point, cant trombone slide (3.1) relatively rotates, on the one hand in the work of handrail tube (3) rotating bar (3.7) It under, moves downward, on the other hand push down on front leg tube (4) and pulls up front foot disk (13), drive the extension draw (15) Protrude into front leg tube (4), due to seat pipe (1), front leg tube (4) is moved downward, the seat pipe front support (7) that is connect with them and with seat The hinged preceding upper hinge (12) of pipe front support (7) also moves downward, and drives front cross pipe (11) expansion movement, meanwhile, cant Trombone slide (3.1) also pulls up push-and-pull pipe (3.2) and the lower hinged sliding sleeve (3.3) hinged with it, upward along back pipe (2) Movement, meanwhile, under the action of handrail tube (3), rotating bar (3.7) and cant trombone slide (3.1), upper hinged sliding sleeve (3.6) is along rear Penstock (2) moves down, and drives rear cross pipe (10) expansion movement, until lower hinged sliding sleeve (2.3), which abuts, limits fast (3.5) only, While being unfolded before and after folding seat, in front cross pipe (11) and under the action of being co-stretched movement of rear cross pipe (10), folding The left and right directions of folding chair is also unfolded simultaneously, finally realizes the expansion of folding seat, at this moment, seat pipe fabric, back pipe fabric, with And also expansion is taut flat therewith for interior inclined type flexibility desktop material.Handrail tube (3) is wrapped up using foam and fabric, comfortable handrail.Seat pipe (1) also not hinged with other any pipe fittings in the middle without hinge hole other than the necessary hinge hole in both ends.

Further, seat pipe (1) and handrail tube (3) be other than the necessary hinge hole in both ends, in the middle without hinge hole, It is not hinged with other any pipe fittings.Both convenient for package sewing fabric, also with the usual tradition director's seat tube for folding slabbing without The modeling structure of hinge joint is similar.

Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, under the premise of not departing from the present utility model concept, improvement can also be made, but these belong to this The protection scope of utility model invention.

Claims

1. a kind of folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), seat pipe rear support (5), seat Pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, handrail panel (17), cant trombone slide (1.1), push-and-pull It manages (1.2), pushes and pulls piping support (1.6), low sleeve (1.3), front foot disk (13), protract the draw (15), front cross pipe (11) is rear to hand over Breeches pipe (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), through seat pipe rear support (5), seat pipe front support (7), before handrail tube after articulation piece (8) and handrail tube rear support (6) articulated connection, two-by-two in parallel, same In one plane, arrange that cant trombone slide (1.1) is diagonally disposed in positive parallelogram sturcutre, one end and seat pipe (1) are hingedly, another Hingedly with front foot disk (13), front foot disk (13) is protruded into and is sleeved in front leg tube (4) equipped with the extension draw (15) at end, push-and-pull pipe (1.2) hingedly, the other end is through being fixed on the push-and-pull piping support (1.6) and cant that push and pull on pipe (1.2) for one end and low sleeve (1.3) Trombone slide (1.1) is hinged hinged, two front cross pipes (11) be hinged after respectively with seat pipe front support (7 and cant trombone slide (1.1) And the preceding preceding upper hinge part (12) intersected in bearing (1.4) and preceding lower hinge (14) are hingedly, two rear cross pipes (10) are mutually cut with scissors After connecing respectively with rear lower hinged (20) and rear hinged (21) on low sleeve (1.3) hingedly, change handrail tube (3) and back pipe (2) parallelogram moves immediately for angle, handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4), realizes and folds The folding and expansion of chair.

2. folding seat according to claim 1, it is characterised in that handrail panel (17) is socketed on handrail tube (3), handrail Pipe riveting has multiple positioning pins (18), and positioning pin (18) socket place on handrail panel (17) and handrail tube (3) is provided with many places Sliding slot (19) axially and radially, positioning pin (18) sliding in sliding slot (19), handrail tube (3) is through articulation piece before handrail tube (8) Hingedly with front leg tube (4), the outer diameter of preceding articulation piece (8) is less than or equal to handrail tube (3) outer diameter, close to articulation piece before handrail tube (8) front leg tube (4) is excessive using circular arc (9).

3. folding seat according to claim 1, it is characterised in that cant trombone slide (1.1) is articulately arranged at seat pipe (1) Outside, or be articulately arranged at the inside of seat pipe (1), equally, push-and-pull pipe (1.2) and push-and-pull piping support (1.6) or arrange In the inside of cant trombone slide (1.1), perhaps it is arranged in the outside of cant trombone slide (1.1) or is located at cant trombone slide (1.1) same In one plane, (1.2) perhaps horizontally disposed or oblique inclination arrangement backward for push-and-pull pipe.

4. a kind of folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), seat pipe rear support (5), seat Pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, penstock hinged support (16), cant trombone slide (2.1), Push-and-pull pipe (2.2), lower hinged sliding sleeve (2.3), front foot disk (13) protract the draw (15), front cross pipe (11), rear cross pipe (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), through seat pipe rear support (5), seat Pipe front support (7), before handrail tube after articulation piece (8) and handrail tube rear support (6) articulated connection, two-by-two in parallel, in same plane It is interior, arrange that cant trombone slide (2.1) is diagonally disposed in positive parallelogram sturcutre, one end and handrail tube (3) hingedly, the other end with Hingedly, front foot disk (13) is protruded into and is sleeved in front leg tube (4) equipped with the extension draw (15) front foot disk (13), push-and-pull pipe (2.2) one Hingedly with lower hinged sliding sleeve (2.3), hinged in the middle part of the other end and cant trombone slide (2.1), two front cross pipes (11) are mutually cut with scissors at end After connecing respectively with seat pipe front support (7 and cant trombone slide (2.1) and the preceding preceding upper hinge part (12) intersected on bearing (2.4) and front lower Articulation piece (14) hingedly, two rear cross pipes (10) be hinged after respectively with lower hinged sliding sleeve (2.3) and penstock hinged support (16) hingedly, change the angle of handrail tube (3) and back pipe (2), handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4) parallelogram moves immediately, realizes the folding and expansion of folding seat.

5. folding seat according to claim 4, it is characterised in that handrail tube (3) is through articulation piece before handrail tube (8) and foreleg Manage (4) hingedly, the outer diameter of preceding articulation piece (8) is less than or equal to handrail tube (3) outer diameter, close to articulation piece (8) before handrail tube Front leg tube (4) is excessive using circular arc (9).

6. folding seat according to claim 4, it is characterised in that cant trombone slide (2.1) is articulately arranged at handrail tube (3) outside, or it is articulately arranged at the inside of handrail tube (3), equally, push-and-pull manages (2.2) or is arranged in cant trombone slide (2.1) outside is perhaps arranged in the inside of cant trombone slide (2.1) or is in the same plane with cant trombone slide (2.1), (2.2) perhaps horizontally disposed or oblique inclination arrangement backward for push-and-pull pipe.

7. a kind of folding seat, comprising: seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4), seat pipe rear support (5), seat Pipe front support (7), handrail tube rear support (6), articulation piece (8) before handrail tube, cant trombone slide (3.1), push-and-pull pipe (3.2), lower hinge It connects sliding sleeve (3.3), upper hinged sliding sleeve (3.6), rotating bar (3.7), front foot disk (13), protracts the draw (15), front cross pipe (11), Rear cross pipe (10), it is characterised in that the seat pipe (1), back pipe (2), handrail tube (3), front leg tube (4) prop up after seat pipe It holds (5), seat pipe front support (7), after articulation piece (8) and handrail tube rear support (6) are articulated and connected before handrail tube, two-by-two in parallel, In same plane, arrange that cant trombone slide (3.1) is diagonally disposed in positive parallelogram sturcutre, one end and back pipe (2) top Hingedly, hingedly, front foot disk (13) protrudes into set equipped with the extension draw (15) to upper hinged sliding sleeve (3.6) for the other end and front foot disk (13) In front leg tube (4), the rear upper end hole of rotating bar (3.7) one end and cant trombone slide (3.1) is hinged and hinged simultaneously hinged Sliding sleeve (3.6), the other end and handrail tube (3) hingedly, push-and-pull pipe (3.2) one end and lower hinged sliding sleeve (3.3) hingedly, the other end with Cant trombone slide (3.1) hingedly, two front cross pipes (11) be hinged after respectively with seat pipe front support (7) and cant trombone slide (3.1) and it is preceding intersect bearing (3.4) on preceding upper hinge part (12) and preceding lower hinge (14) hingedly, two rear cross pipe (10) phases After mutually hinged respectively with lower hinged sliding sleeve (3.3) and upper hinged sliding sleeve (3.6) hingedly, change handrail tube (3) and back pipe (2) Parallelogram moves immediately for angle, handrail tube (3), back pipe (2), seat pipe (1) and front leg tube (4), realizes folding seat Folding and expansion.

8. folding seat according to claim 7, it is characterised in that handrail tube (3) is through articulation piece before handrail tube (8) and foreleg The outer diameter for managing (4) hinged preceding articulation piece (8) is less than or equal to handrail tube (3) outer diameter, before articulation piece (8) before handrail tube Leg pipe (4) is excessive using circular arc (9).

9. folding seat according to claim 7, it is characterised in that cant trombone slide (3.1) is articulately arranged at back pipe (2) outside, or it is articulately arranged at the inside of back pipe (2), equally, push-and-pull manages (3.2) or is arranged in cant trombone slide (3.1) outside is perhaps arranged in the inside of cant trombone slide (3.1) or is in the same plane with cant trombone slide (3.1), (3.2) perhaps horizontally disposed or oblique inclination arrangement backward for push-and-pull pipe.

10. the folding seat according to claim 4 or 7, it is characterised in that seat pipe (1) other than the necessary hinge hole in both ends, It is also not hinged with other any pipe fittings in the middle without hinge hole.