A kind of folding bench
Technical field
The invention belongs to technical field of furniture, relate to a kind of folding bench.
Background technology
Along with the development of society and the raising of living standards of the people, automobile also just progressively enter each family, the raising of domestic automobile recoverable amount, the self driving outing in units of family, outdoor leisure activity become the main flow activity of modern metropolitan cities people weekend and vacation.It can not only enjoy fresh air, the Amenities in countryside, temporarily forgets busy Working Life, and body and mind is well loosened, and can also promote the friendship between friend in stress-relieving activity, enjoys the family happiness between relatives.Chair is a kind of everyday tools taking a seat rest for people, mainly contains individual chair and bench, and relative to individual seat, the advantage of bench on using is that can improve many people takes a seat simultaneously.But common bench volume is comparatively large, the space that need occupy is also comparatively large, not Portable belt.Therefore, a kind of tool that folding bench just becomes the daily outing of people, outdoor leisure activity is commonly used.
Existing rumble seat all also exists the still larger problem of volume after folding.As Chinese patent application (application number: 201120451656.7) disclose a kind of folding bench, comprise seat and backrest, also comprise iron chains, for being rotationally connected between described seat and backrest, on backrest, angle place is provided with clasp, be provided with hook with the seat anterior angle place of clasp homonymy, described iron chains one end is fixedly connected on the anterior side of seat, and the other end is fixedly connected on backrest upper side.Although the bench that above-mentioned folding bench is relatively common, volume reduces relatively to some extent, but the supporting role of its whole chair is the acting in conjunction relying on backrest and chair pin to be completed, the volume of whole backrest is larger, and chair pin with between backrest for being fixedly connected with, space shared after folding is still comparatively large, is also provided with iron chains between backrest and seat, weight is also heavier, carries still inconvenience.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of folding bench, its technical problem to be solved is: it is comparatively large that existing folding bench folds rear shared space, heavier-weight, not Portable belt.
Object of the present invention realizes by following technical proposal: a kind of folding bench, comprise seat board, the chair back, at least two group chair pin, it is characterized in that, the described chair back and seat board hinder marginal part are hinged, and are provided with the position limiting structure that at least can prevent the chair back from rotating backward between the described chair back and seat board; All described chair pin are all hinged with seat board bottom surface, and being provided with between described chair pin and seat board can by fixed structure fixing for chair pin when chair pin is in supporting seat board status.
The chair back and the seat hinder marginal part of this folding bench are hinged, and during use, the upset chair back is also spacing by position limiting structure and seat, then the upset chair pin hinged with seat bottom surface fixed can be used by fixed structure, and comparatively simply, use also more for convenience for structure.When this rumble seat does not use, the chair back, chair pin are turning to coincide with seat, and small volume overall after folding, the space that need take is also less, and lighter weight is easy to carry.
In above-mentioned folding bench, described position limiting structure comprises and to be connected with chair back trailing flank and to be in the limit base be resisted against when tilting backwards state on seat board when the chair back.By the effect of limit base, can be resisted against on seat board when the chair back is in and tilts backwards state, can not tilt backwards above human body leans against.
In above-mentioned folding bench, the described chair back comprise chair back rack, two groups fix backup plate and fix one group of Active guide fence between backup plate at above-mentioned two groups, described Active guide fence rising wood and chair back rack are hinged, and described fixing backup plate is fixedly connected with chair back rack; Be provided with and Active guide fence can be supported in being in horizontal support bar between described Active guide fence and chair back rack or seat board.Support bar is hinged on seat board, Active guide fence is also provided with the stopper slot that can embed for support bar free end.When this folding bench uses, Active guide fence upwards can be overturn, play a supporting role in stopper slot on the free end embedding Active guide fence of support bar, Active guide fence is in level, thus on folding bench, define one can the platform of placing articles, can be used for placing various article, also can use as tea table, feature richness, easy to use.Do not need to use, the free end of support bar is taken out from stopper slot, Active guide fence can be overturn back original position, recover its normal operating condition.
In above-mentioned folding bench, described seat board comprises chair frame, two groups of fixed base plates and one group of movable base plate between above-mentioned two groups of fixed base plates; Trailing edge and the Active guide fence lower edge of described movable base plate are hinged; Described movable base plate is fixed with when movable base plate and Active guide fence be in flush state time and the limited block that leans of Active guide fence lower face.Support bar to be hinged in chair frame and to be positioned at below movable base plate, chair frame is also provided with the limiting plate that can prevent support bar from rotating when support bar is in level, when folding bench is in normal operating condition, support bar is in level and is positioned at below movable base plate, plays the effect of movable support seat board.The movable base plate of this folding bench together can overturn along with Active guide fence, by the acting in conjunction of support bar and limited block, movable base plate and Active guide fence are all in level and are positioned in same level, thus the platform area formed is larger, the article that can place are more, and relative motion seat board place is also provided with breach on front side of chair frame, pin can be placed on below movable base plate and sit facing each other by the people being sitting in movable base plate both sides, facilitates talk.
In above-mentioned folding bench, the movable base plate one arranged before and after described movable base plate comprises and movable base plate two, described movable base plate one is hinged with Active guide fence; Described limited block is fixed on movable base plate one, and described movable base plate two is hinged with movable base plate one.During use, movable base plate one overturns and is in level and is positioned in same level together with Active guide fence, turnover is to movable base plate one downwards for movable base plate two, and movable base plate two is provided with hook, and movable base plate two is hooked on support bar by hook and locates.By this setting, movable base plate one is identical with the length of both sides fixed base plate with the length of the article placement platform that Active guide fence is formed, and overall aesthetic property is better.
In above-mentioned folding bench, described position limiting structure comprises and to be connected with chair back trailing flank and to be in the limit base be resisted against when tilting backwards state on seat board when the chair back; The locating part that can prevent the chair back from leaning forward when limit base is in and is resisted against state on seat board is provided with between described chair back trailing flank and seat board.By the mating reaction of limit base and locating part, can the chair back be positioned on seat board, can not lean forward and hypsokinesis, can for people against.
In above-mentioned folding bench, described locating part is pulling buckle, and the barb of described pulling buckle is fixedly connected with the chair back, and hinged seat is fixedly connected with seat board.During use, buckle on barb by the hinged seat of pulling buckle, the chair back is located can not lean forward, and the chair back is resisted against on seat board by limit base, also can not hypsokinesis.
In above-mentioned folding bench, described locating part is bolt, and described limit base has bolt hole, and described seat board is provided with the screwed hole that for bolt thread connect corresponding with bolt hole position.Limit base is bolted on seat board, thus plays the position-limiting action to the chair back, makes it can not lean forward or hypsokinesis.
In above-mentioned folding bench, the quantity of described limit base is at least two.
In above-mentioned folding bench, the quantity of described locating part and one_to_one corresponding identical with the quantity of limit base is arranged.
In above-mentioned folding bench, described chair pin is a feet; Or described chair pin is the connecting rod that two feets be arranged in parallel are fixedly connected with by two feets.
In above-mentioned folding bench, described fixed structure is the hinge with self-locking mechanism, and hinge comprises hinge bodies one all in bar shaped sheet and hinge bodies two, and one end and the seat board of hinge bodies one are hinged, and one end of hinge bodies two and the middle part of feet are hinged.During use, routed up by feet make it be in supporting seat board status around pin joint, cooperatively interacting and forming self-locking by self-locking mechanism of hinge one and hinge two, makes feet can not swing around pin joint, thus is fixed by feet.
In above-mentioned folding bench, described fixed structure comprises an articulated body one and two articulated bodies two, and articulated body one is between two articulated bodies two, and two articulated bodies two are obliquely installed relative to articulated body one; One end of two described articulated bodies two is all hinged with one end of articulated body one, and be hinged correspondingly in the middle part of the other end of two articulated bodies two and above-mentioned two feets be arranged in parallel, the other end and the seat board of articulated body one are hinged; Described articulated body one is arranged with can be enclosed within articulated body one and articulated body two hinged place from lock tube.During use, being routed up around pin joint by feet makes it be in supporting seat board status, articulated body one and stressed the swing around pin joint of articulated body two are straightened, articulated body one and the formation self-locking of articulated body two hinged place is set in from lock tube, articulated body one and articulated body two can not be swung around pin joint, thus feet is fixed.
Compared with prior art, this folding bench has the following advantages:
1, structure is comparatively simple, easy to operate, and small volume overall after folding, the space that need take is also less, and lighter weight is easy to carry.
2, movable base plate one and Active guide fence can together with overturn and be the level of state, form a platform, can be used for placing various article, also can use as tea table, feature richness, facilitates use.
3, movable base plate one is identical with the length of both sides fixed base plate with the length of the article placement platform that Active guide fence is formed, and overall aesthetic property is better, and the people be positioned on the fixed base plate of both sides can sit facing each other, convenient talk.
4, be applicable to the various occasion such as open air, indoor, versatility is better.
Accompanying drawing explanation
Fig. 1 is the structural representation under this folding bench normal operating condition.
Fig. 2 is the structural representation that the Active guide fence of this folding bench overturns when being the level of state.
Fig. 3 is the partial enlarged drawing of this folding bench position limiting structure.
Fig. 4 is the structural representation under this folding bench is in folded state.
In figure, 1, the chair back; 11, chair back rack; 12, fixing backup plate; 13, Active guide fence; 2, seat board; 21, chair frame; 22, fixed base plate; 23, movable base plate; 231, movable base plate one; 232, movable base plate two; 3, chair pin; 4, support bar; 5, limit base; 6, locating part; 7, fixed structure.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As Figure 1-3, this folding bench, comprises seat board 2, the chair back 1, at least two group chair pin 3.The chair back 1 and seat board 2 hinder marginal part are hinged, and are provided with the position limiting structure that at least can prevent the chair back 1 from rotating backward between the chair back 1 and seat board 2.Chair pin 3 is all hinged with seat board 2 bottom surface, and being provided with between chair pin 3 and seat board 2 can by fixed structure 7 fixing for chair pin 3 when chair pin 3 is in and supports seat board 2 state.
The chair back 1 comprises chair back rack 11, two groups to be fixed backup plate 12 and fixes one group of Active guide fence 13 between backup plate 12 at above-mentioned two groups.Active guide fence 13 rising wood and chair back rack 11 are hinged, and fixing backup plate 12 is fixedly connected with chair back rack 11.Be provided with between Active guide fence 13 and chair back rack 11 or seat board 2 and Active guide fence 13 can be supported in being in horizontal support bar 4.Seat board 2 comprises chair frame 21, two groups of fixed base plates 22 and one group of movable base plate 23 between above-mentioned two groups of fixed base plates 22.Trailing edge and Active guide fence 13 lower edge of movable base plate 23 are hinged.Movable base plate 23 is fixed with when movable base plate 23 and Active guide fence 13 be in flush state time and the limited block that leans of Active guide fence 13 lower face.The movable base plate 1 arranged before and after movable base plate 23 comprises and movable base plate 232.Movable base plate 1 and Active guide fence 13 are hinged, and limited block is fixed on movable base plate 1, and movable base plate 232 and movable base plate 1 are hinged.Support bar 4 to be hinged in chair frame 21 and to be positioned at below movable base plate 23, Active guide fence 13 is also provided with the stopper slot that can embed for support bar 4 free end.Chair pin 3 is a feet or is the connecting rod that two feets be arranged in parallel are fixedly connected with by two feets.Chair pin 3 on front side of the folding bench of the present embodiment is the connecting rod that two feets be arranged in parallel are fixedly connected with by two feets, can turn down backward time folding; The chair pin 3 of rear side is a feet, can by both sides fold inward time folding.The chair pin 3 of the present embodiment designs, and the front side chair pin 3 after turning down and rear side chair pin 3 can not be superimposed together, and reduces the thickness of folding rear whole bench.
More particularly, position limiting structure comprises and to be connected with the chair back 1 trailing flank and to be resisted against the limit base 5 on seat board 2 when the chair back 1 is in and tilts backwards state.The locating part 6 that can prevent the chair back 1 from leaning forward when limit base 5 is in and is resisted against state on seat board 2 is provided with between the chair back 1 trailing flank and seat board 2.The quantity of limit base 5 is at least two.The quantity of locating part 6 and one_to_one corresponding identical with the quantity of limit base 5 is arranged.Locating part 6 is pulling buckle, and the barb of pulling buckle is fixedly connected with the chair back 1, and hinged seat is fixedly connected with seat board 2.Locating part 6 can also be bolt, and limit base 5 has bolt hole, and seat board 2 is provided with the screwed hole that for bolt thread connect corresponding with bolt hole position.Fixed structure 7 is for having the hinge of self-locking mechanism, and hinge comprises hinge bodies one all in bar shaped sheet and hinge bodies two, and one end and the seat board 2 of hinge bodies one are hinged, and one end of hinge bodies two and the middle part of feet are hinged.
When this folding bench uses, the upset chair back 1 and by the mating reaction of limit base 5 and locating part 6 and seat spacing, can not lean forward or hypsokinesis; Upset and the hinged chair pin 3 in seat bottom surface again, the cooperatively interacting and form self-locking by self-locking mechanism of hinge one and hinge two, chair pin 3 can not be swung around pin joint, thus fixed by chair pin 3, bench is in using state as shown in Figure 1.And then Active guide fence 13 upwards overturn together with movable base plate 1 in the stopper slot that the free end of support bar 4 embedded on Active guide fence 13 and play a supporting role, by the effect of limited block, Active guide fence 13 and movable base plate 1 are in level, by movable base plate 232 turnover downwards to movable base plate 1, locate by being hooked on support bar 4, bench is in the using state shown in Fig. 2.
This folding bench structure is simple, easy to operate, and small volume overall after folding, the space that need take is also less, and lighter weight is easy to carry.During use, Active guide fence 13 and movable base plate 1 turning formation platform, can be used for placing various article, also can use as tea table, feature richness, easy to use, overall aesthetic property is better, and be applicable to the various occasion such as open air, indoor, versatility is better.
Embodiment two
The structure of this folding bench is substantially identical with embodiment one, and its difference is: position limiting structure comprises and to be connected with the chair back 1 trailing flank and to be resisted against the limit base 5 on seat board 2 when the chair back 1 is in and tilts backwards state.Fixed structure 7 comprises an articulated body one and two articulated bodies two.Articulated body one is between two articulated bodies two, and two articulated bodies two are obliquely installed relative to articulated body one.One end of two articulated bodies two is all hinged with one end of articulated body one, and be hinged correspondingly in the middle part of the other end of two articulated bodies two and above-mentioned two feets be arranged in parallel, the other end and the seat board 2 of articulated body one are hinged.Articulated body one is arranged with can be enclosed within articulated body one and articulated body two hinged place from lock tube.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the term such as the chair back 1, chair back rack 11, fixing backup plate 12, Active guide fence 13, seat board 2, chair frame 21, fixed base plate 22, movable base plate 23, movable base plate 1, movable base plate 2 232, chair pin 3, support bar 4, limit base 5, locating part 6, fixed structure 7 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.