CN206197506U - A kind of folding seat - Google Patents

Abstract

The utility model discloses a kind of folding seat, belong to chair art, aim to provide a kind of folding seat, with making base plate fixing-stable, the advantage of enhancing chair connection, two back legs of its drip irrigation device are provided with horizontal support bar between the second connecting rod, the support bar is provided with the supporting plate perpendicular to support bar, one end of the supporting plate is stretched out support bar and is rotated with preceding chair leg and is connected, the other end stretches out support bar and is provided with slide bar, back leg is stretched out at the slide bar two ends, when supporting plate is contacted with support bar, the slide bar is contradicted with back leg, the back leg is provided with the slide rail for slide bar movement, when current chair leg and back leg are relatively rotated, the slide bar is moved on slide rail, the supporting plate is connected with base plate away from the side of preceding chair leg.

Description

A kind of folding seat

Technical field

The utility model is related to chair art, more particularly to a kind of folding seat.

Background technology

In modern furniture, either household chair or office chair, in order to improve its practicality, comfort, Ease of use is more and more high in its requirement functionally.

The Chinese patent of Publication No. CN1618371 discloses a kind of foldable structure of folding seat, including first folds branch Support and the second folding support frame, the first folding support frame include first before chair leg, the first back leg and base plate assembly, before first The upper end of chair leg and the side leading section of seat board are rotatably connected, and chair midleg and the first back leg middle and lower part intersect before first Be rotatably connected, seat board slideably and is rotatably connected at the first back leg approximate mid-section, also, seat board and first When the connecting portion of back leg slides to first level pole front end, chair leg, the first back leg are located on the same face before seat board, first； The structure of the second folding support frame is identical with the first folding support frame.But when the foldable structure of the folding seat is used, base plate The state pressed is in by the extraneous gravity for applying, now base plate front end is supported by chair leg before first, and rear end can be slided That moves and rotate is connected at the first back leg, therefore base plate rear end is only slided and rotated the supporting role that connection is played, Easily base plate rear end is slided and rotates junction when larger by gravity and is damaged so that base plate loses support force, and then influences The use of chair.

Utility model content

The purpose of this utility model is to provide a kind of folding seat, and with base plate fixing-stable is made, it is excellent that enhancing chair is connected Point.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of folding seat, including Two symmetrically arranged preceding chair legs and two symmetrically arranged back legs, two preceding chair leg upper and lower ends pass through first respectively Connecting rod is fixedly connected, and two back leg upper and lower ends are fixedly connected by the second connecting rod respectively, work as head rod When respectively connecting preceding chair leg and back leg with the second connecting rod, monosymmetric preceding chair leg and back leg intersect and in phase respectively Connection is rotated at friendship, two back legs are provided with horizontal support bar between the second connecting rod, and the support bar is provided with Perpendicular to the supporting plate of support bar, one end of the supporting plate is stretched out support bar and is rotated with preceding chair leg and is connected, and the other end stretches out Support bar is simultaneously provided with slide bar, and back leg is stretched out at the slide bar two ends, the slide bar and rear chair when supporting plate is contacted with support bar Leg is contradicted, and the back leg is provided with the slide rail for slide bar movement, and when current chair leg and back leg are relatively rotated, the slide bar exists Moved on slide rail, the supporting plate is connected with base plate away from the side of preceding chair leg.

By using above-mentioned technical proposal, the two preceding chair legs and back leg for being respectively symmetrically setting are support, before two Chair leg is connected by head rod, and two back legs are connected by the second connecting rod and cause two preceding chair legs and back leg simultaneously Rotate, opening and merging beneficial to chair, one end for being provided for supporting supporting plate of support bar, the other end of supporting plate passes through Preceding chair leg support so that supporting plate supporting ＆ stablizing in chair open mode, and then the base plate fixing-stable in supporting plate is caused, When supporting plate and support bar are contacted, slide bar is contradicted with back leg so that the base plate in supporting plate does not have in supporting object stress The trend for moving horizontally, strengthens the stability of the backplanes support object in supporting plate, and current chair leg and back leg are relatively rotated When, slide bar is moved on slide rail, and slide rail is arranged on back leg, be easy to preceding chair leg and back leg relatively rotate when, slide bar band Dynamic supporting plate is moved also along back leg, and now supporting plate drives the preceding chair leg being connected with supporting plate rotation also to turn with back leg It is dynamic, and then preceding chair leg and back leg are combined, chair is folded, reduce space, it is easy to folding and unfolding.

The utility model is further arranged to：Two back legs are tabular, two the second of the back leg upper end Connecting rod is some spaced backup plates, and the backup plate is connected with the plate face of the back leg of tabular, and the slide rail is for after tabular The side of chair leg.

By using above-mentioned technical proposal, the setting person of conveniently adapting to of backup plate relies on when sitting on chair, increases comfortableness, Backup plate is set to several so that have gap between backup plate so that wind can enter from gap when user contacts with backup plate, Increase ventilation so that comfortable when user uses, backup plate is connected with the plate face of the back leg of tabular, is easy to fixed plate, increase The area contacted with backup plate so that backup plate fixing-stable, slide rail is set to by the side of tabular back leg, reduces slide rail with slide bar Contact area, and then reduce the friction between slide rail and slide bar, it is easy to the movement of slide bar, subtracted as slide rail with the side of back leg Few material, it is cost-effective.

The utility model is further arranged to：The slide bar is arranged with the first rubber sleeve in the position contacted with slide rail.

Protect slide bar not worn and torn by slide rail by using the setting of above-mentioned technical proposal, the first rubber sleeve, reduce slide in addition Noise is produced when bar is moved on slide rail so that chair noise in folding and opening reduces.

The utility model is further arranged to：The supporting plate is some the first stripe boards perpendicular to support bar, described Base plate is some spaced the second stripe boards perpendicular to the first stripe board.

By using above-mentioned technical proposal, the first stripe board and the setting of the second stripe board cause user when in use with When second stripe board is contacted, the gap between the first adjacent stripe board and the second stripe board forms air vent, it is to avoid user Base plate is airtight when using for a long time, increases the comfortableness that user uses, while saving material, reduces cost.

The utility model is further arranged to：The first stripe board is stretched out and in the position stretched out in the second stripe board two ends It is provided with the arc for upwardly extending.

Cause that user limits user from Article 2 when in use by using the setting of above-mentioned technical proposal, arc Skidded off on shape plate, and arc and the hardened conjunction of the second bar shaped increase with user's contact area, and then increase and user Between friction so that what user consolidated is sitting on chair.

The utility model is further arranged to：Two ends near second stripe board of slide rail are arranged with the second rubber Set.

By using above-mentioned technical proposal, the second rubber sleeve reduces the abrasion of the second stripe board, protects the second bar shaped Plate, while reduce when the second stripe board is touched with back leg producing stress in chair leg before merging and back leg, it is to avoid Article 2 The deformation of shape plate.

The utility model is further arranged to：The position that the supporting plate is contacted with support bar is provided with the gear for extending downwardly Plate.

By using above-mentioned technical proposal, when supporting plate is contacted with support bar, support bar produces support to make supporting plate With, and baffle plate extends downwardly setting so that support bar is embedded between supporting plate and baffle plate, and then increased supporting plate and support bar Connection.

The utility model is further arranged to：The backup plate near the second stripe board side be provided with stop baffle plate motion and With the baffle-wall of baffle fit.

Movement of second stripe board along back leg is limited by using the setting of above-mentioned technical proposal, baffle-wall, is easy to The merging of preceding chair leg and back leg.

The utility model is further arranged to：First stripe board is provided with to away between adjacent second stripe board The projection that two stripe boards extend.

By using above-mentioned technical proposal, it is adjacent that raised setting avoids user from being embedded in when being contacted with the second stripe board Contacted with the first stripe board in gap between second stripe board, increase draught area, increase comfortableness.

The utility model is further arranged to：The raised lower end is provided with the fixed plate being connected with preceding chair leg.

By using above-mentioned technical proposal, the setting of fixed plate avoid preceding chair leg and projection be directly connected to and in preceding chair leg pair Projection applies to make bulging deformation during support force, the fixed-area of chair leg before increase.

In sum, the utility model has the advantages that：When preceding chair leg and back leg are relatively rotated, supporting plate Contacted with support bar, so supporting plate one end by they sup-port, the other end is supported by preceding chair leg so that supporting plate support is steady It is fixed, and the setting of slide bar is further such that supporting plate stable connection.

Brief description of the drawings

Fig. 1 is a kind of structural representation of folding seat；

Fig. 2 is a kind of structural representation for embodying projection of folding seat.

In figure, 1, preceding chair leg；11st, head rod；2nd, back leg；21st, the second connecting rod；211st, backup plate；212nd, baffle-wall； 22nd, support bar；221st, supporting plate；2211st, base plate；2212nd, baffle plate；2213rd, it is raised；2214th, fixed plate；222nd, slide bar；2221、 First rubber sleeve；223rd, arc；224th, the second rubber sleeve；23rd, slide rail.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of folding seat, referring to Figures 1 and 2, including two symmetrically arranged preceding chair legs 1 and two symmetrically arranged rear chairs Leg 2, the length of the length more than preceding chair leg 1 of back leg 2, two upper and lower ends of preceding chair leg 1 are solid by head rod 11 respectively Fixed connection, two upper and lower ends of back leg 2 are fixedly connected by the second connecting rod 21 respectively, and head rod 11 and second is connected Bar 21 can be respectively welded in preceding chair leg 1 and back leg 2, when the connecting rod 21 of head rod 11 and second is respectively by preceding chair leg 1 and back leg 2 when connecting, monosymmetric preceding chair leg 1 and back leg 2 intersect and are rotated in intersection and connect respectively, beneficial to chair The opening of son and merging, it is preferably that preceding chair leg 1 and back leg 2 are bolted to rotate connection, and two back legs 2 are second Horizontal support bar 22 is provided between connecting rod 21, support bar 22 is provided with the supporting plate 221 perpendicular to support bar 22, supporting plate 221 one end is stretched out support bar 22 and is rotated with preceding chair leg 1 and is connected, and the other end stretches out support bar 22 and is provided with slide bar 222, slide bar Back leg 2 is stretched out at 222 two ends, and now the forward chair leg 1 in the one end of supporting plate 221 is supported, and the other end is supported by support bar 22, is increased The Area of bearing of supporting plate 221 so that the supporting ＆ stablizing in chair open mode of supporting plate 221, supporting plate 221 deviates from preceding chair leg 1 side is connected with base plate 2211, and then causes the fixing-stable of base plate 2211 in supporting plate 221, when supporting plate 221 and support Slide bar 222 is contradicted with back leg 2 when bar 22 is contacted, and the base plate 2211 reduced in supporting plate 221 has in supporting object stress The trend for moving horizontally, strengthen the stability of the supporting object of base plate 2211 in supporting plate 221.

Referring to Figures 1 and 2, when current chair leg 1 and back leg 2 are relatively rotated, back leg 2 is provided with and is moved for slide bar 222 Slide rail 23 so that slide bar 222 is moved on slide rail 23, is easy to merging and the opening of chair, is connect with slide rail 23 in slide bar 222 Tactile position is arranged with the first rubber sleeve 2221, protects slide bar 222 not worn and torn by slide rail 23, and slide bar 222 is reduced in addition in slide rail Noise is produced when being moved on 23 so that chair noise in folding and opening reduces；Two back legs 2 are set to tabular, two Second connecting rod 21 of the upper end of back leg 2 is some spaced backup plates 211, and backup plate 211 and back leg 2 are connected by bolt Connect, replacing easy to disassemble has gap between backup plate 211 so that wind can enter from gap when user contacts with backup plate 211 Enter, increase ventilation so that be comfortable when user uses, backup plate 211 is connected with the plate face of the back leg 2 of tabular, be easy to fix Backup plate 211, the area that increase is contacted with backup plate 211 so that the fixing-stable of backup plate 211, this external slide rail 23 is the back leg 2 of tabular Side, reduce the contact area of slide rail 23 and slide bar 222, and then reduce the friction between slide rail 23 and slide bar 222, be easy to slide The movement of bar 222, material is reduced with the side of back leg 2 as slide rail 23, cost-effective.

Referring to Figures 1 and 2, supporting plate 221 is some the first stripe boards perpendicular to support bar 22, and base plate 2211 is some Spaced the second stripe board perpendicular to the first stripe board, the second stripe board two ends are stretched out the first stripe board and are being stretched out Position is provided with the arc 223 for upwardly extending, and arc 223 limitation user skid off from the second stripe board, and arc 223 Conjunction hardened with the second bar shaped increase with user's contact area, and then increase the friction between user so that use What person consolidated is sitting on chair, and the gap between the first adjacent stripe board and the second stripe board forms air vent, it is to avoid use Base plate 2211 is airtight when person uses for a long time, increases the comfortableness that user uses, while saving material, reduces cost； Two ends near the second stripe board of slide rail 23 are arranged with the second rubber sleeve 224, reduce the abrasion of the second stripe board, protect Second stripe board, while reduce when the second stripe board is touched with back leg 2 that stress is produced in chair leg before merging 1 and back leg 2, Slow down the deformation of the second stripe board.

Referring to Figures 1 and 2, the first stripe board is provided between adjacent second stripe board and prolongs to away from the second stripe board in addition Raised 2213 for stretching, it is to avoid user be embedded in when the second stripe board is contacted in the gap between adjacent second stripe board and with First stripe board is contacted, and increases draught area, increases comfortableness, while raised 2213 lower end is provided with and consolidating that preceding chair leg 1 is connected Fixed board 2214, chair leg 1 is directly connected to projection 2213 and makes projection when 1 pair of projection 2213 of preceding chair leg applies support force before reducing 2213 deformations, the fixed-area of chair leg 1 before increase.

Referring to Figures 1 and 2, in order to increase the connection of support bar 22 and supporting plate 221 again, in supporting plate 221 and support The position of the contact of bar 22 is provided with the baffle plate 2212 for extending downwardly so that support bar 22 is embedded between supporting plate 221 and baffle plate 2212, And then increased the connection of supporting plate 221 and support bar 22；In backup plate 211 stop baffle plate is provided near the side of the second stripe board 2212 motions and the baffle-wall 212 coordinated with baffle plate 2212, baffle-wall 212 limit movement of second stripe board along back leg 2, just In the merging of preceding chair leg 1 and back leg 2.

Specific operation process：When chair needs to merge, when preceding chair leg 1 and back leg 2 are relatively rotated, 1 pair of branch of preceding chair leg Fagging 221 loses supporting role, while preceding chair leg 1 drives supporting plate 221 also to be moved to the direction of back leg 2, now drives and slides Bar 222 wants the direction movement away from support bar 22 on slide rail 23, until the second stripe board is limited by baffle-wall 212, continues Chair leg 1 and back leg are 2-in-1 simultaneously before chair leg 1 and back leg 2 are caused before rotating, and when chair needs to open, chair leg 1 before rotating makes Produced relative rotation between chair leg 1 and back leg 2 before obtaining, now preceding chair leg 1 drives supporting plate 221 also to away from the side of back leg 2 To movement, and then cause that slide bar 222 is moved along slide rail 23 to the direction of support bar 22, until supporting plate 221 is horizontal When, preceding chair leg 1 and the lower end of back leg 2 are also in same level, and now the one end of supporting plate 221 is supported by preceding chair leg 1, separately One end is supported the support of bar 22, and then fixing-stable, and now slide bar 222 is contradicted with back leg 2, slows down supporting plate 221 Trend is moved horizontally, further such that supporting plate 221 is connected firmly, stabilization during supporting object.

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of folding seat, it is characterised in that：Including two symmetrically arranged preceding chair legs（1）With two symmetrically arranged back legs （2）, two preceding chair legs（1）Upper and lower ends pass through head rod respectively（11）It is fixedly connected, two back legs（2） Upper and lower ends pass through the second connecting rod respectively（21）It is fixedly connected, works as head rod（11）With the second connecting rod（21）Respectively will Preceding chair leg（1）And back leg（2）During connection, monosymmetric preceding chair leg（1）And back leg（2）Intersect respectively and turn in intersection Dynamic connection, two back legs（2）In the second connecting rod（21）Between be provided with horizontal support bar（22）, the support bar （22）It is provided with perpendicular to support bar（22）Supporting plate（221）, the supporting plate（221）One end stretch out support bar（22）And With preceding chair leg（1）Connection is rotated, the other end stretches out support bar（22）And it is provided with slide bar（222）, the slide bar（222）Two ends are stretched out Back leg（2）, work as supporting plate（221）With support bar（22）Slide bar during contact（222）With back leg（2）Contradict, it is described after Chair leg（2）It is provided with and supplies slide bar（222）Mobile slide rail（23）, current chair leg（1）And back leg（2）It is described during relative rotation Slide bar（222）In slide rail（23）Upper movement, the supporting plate（221）Away from preceding chair leg（1）Side be connected with base plate（2211）.

2. a kind of folding seat according to claim 1, it is characterised in that：Two back legs（2）It is tabular, two institutes State back leg（2）Second connecting rod of upper end（21）It is some spaced backup plates（211）, the backup plate（211）With tabular Back leg（2）Plate face connection, the slide rail（23）It is tabular back leg（2）Side.

3. a kind of folding seat according to claim 2, it is characterised in that：The slide bar（222）With slide rail（23）Contact Position be arranged with the first rubber sleeve（2221）.

4. a kind of folding seat according to claim 2, it is characterised in that：The supporting plate（221）For some perpendicular to branch Strut（22）The first stripe board, the base plate（2211）It is some spaced the second bar shapeds perpendicular to the first stripe board Plate.

5. a kind of folding seat according to claim 4, it is characterised in that：The first bar shaped is stretched out at the second stripe board two ends Plate and the arc for upwardly extending is provided with the position stretched out（223）.

6. a kind of folding seat according to claim 4, it is characterised in that：Near slide rail（23）Second stripe board Two ends are arranged with the second rubber sleeve（224）.

7. a kind of folding seat according to claim 4, it is characterised in that：The supporting plate（221）With support bar（22）Connect Tactile position is provided with the baffle plate for extending downwardly（2212）.

8. a kind of folding seat according to claim 7, it is characterised in that：The backup plate（211）Near the second stripe board Side is provided with stop baffle plate（2212）Motion and and baffle plate（2212）The baffle-wall of cooperation（212）.

9. a kind of folding seat according to claim 4, it is characterised in that：First stripe board is in adjacent second stripe board Between be provided with to the projection extended away from the second stripe board（2213）.

10. a kind of folding seat according to claim 9, it is characterised in that：The projection（2213）Lower end is provided with and preceding chair Leg（1）The fixed plate of connection（2214）.