Folding table
Technical field
The invention belongs to technical field of furniture, relate to a kind of table, particularly a kind of folding table.
Background technology
Desk is a kind of conventional furniture, above has plane, under have pillar.Chair or stool are a kind of things to sit on., use desk and chair right and wrong usually to see in office, open air, public place of entertainment and other place at home.Usually, chair or stool and desk with the use of, people are sitting on chair or bench and carry out having a meal or other purposes.
Desk and chair or stool normally to use according to specific environment and design, but also dissimilar desk and chair or stool can be used in other environment.Such as, the desk used out of doors and chair or stool are normally made up of the material standing the weather effects such as rainwater, snow, hail and sunlight, and the materials such as such as hardwood, metal and concrete are made.The desk that these materials are made and chair or the usual comparatively robust of stool and durable in use; But the desk that these materials are made and chair or stool usually heavier and be difficult to mobile.Therefore, this kind of desk and chair or stool are difficult to carry usually; In addition, this kind of desk and chair or stool need regular maintenance and maintenance usually.
Conveniently deposit and transport, people have devised various folding table, and wherein part is documented in pertinent literature.The folding table recorded as Chinese patent literature and the system [application number: 200480000254.8 of bench; Authorization Notice No.: CN100502724C], after folding, bench and desk can be fixed together.And for example conjoined jack-knifing table [application number: 200320123286.X; Authorization Notice No.: CN2671413Y], after folding, table pin is positioned at table side.And for example a kind of folding table [application number: 200720008718.0; Authorization Notice No.: CN201119559Y], after folding, table pin is between two desktop portions.The each have their own advantage of above-mentioned folding table, each have their own inferior position; But be folding scheme diversity to make a due contribution; Make people's more selection scheme again.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the folding table of another kind of structure.
Object of the present invention realizes by following technical proposal: this folding table, comprises two pieces of tables and two groups of table pin, is hinged between two pieces of tables; It is characterized in that, two groups of table pin lay respectively at hinge axes both sides between two pieces of tables and two groups of table pin and two pieces of tables are hinged correspondingly; Be provided with montant between two groups of table pin, montant is arranged with sliding sleeve, montant upper end is connected with table, is equipped with first connecting rod and second connecting rod between two groups of table pin and montant; One end of first connecting rod is all hinged with sliding sleeve, and the other end is hinged with corresponding table pin; One end of second connecting rod is all hinged with the lower end of montant, and the other end is hinged with corresponding table pin.
During expansion by two pieces of table sides lean realize spacing, namely avoid launch transition maybe cannot realize stable support.In order to realize spacingly adopting following scheme to replace: the limited block arranging restriction sliding sleeve upward sliding on montant, when sliding sleeve and limited block lean, two pieces of tables form a smooth desktop.Certainly, namely limited block is set on montant, and when sliding sleeve and limited block lean, ensures that again two pieces of table sides lean.
In order to the portability of desk can be ensured, can ensure that again desk is in the bearing capacity of deployed condition, following technical characteristic can be adopted simultaneously or select portion of techniques feature: when this folding table is in deployed condition, two groups of table pin relative to table all skewed and between two groups of table pin tops spacing be less than spacing between two groups of table foot bottoms.
The third connecting rod that table pin comprises two legs and is fixedly connected with two legs, leg and table are hinged; Then this foldable base has four legs.As preferably, the pin joint of leg and table distributes and is positioned on four angle points of a rectangle, and between two pieces of tables, hinge axes is a center line of above-mentioned rectangle.
The quantity of montant is two, the phase contact place, sideline of montant and tie point hinge axes and above-mentioned rectangle between above-mentioned two pieces of tables of table; On every root montant, all cover has a sliding sleeve, and the quantity of first connecting rod and second connecting rod is four, and one end of a sliding sleeve and two first connecting rods is hinged, and one end of the lower end of a montant and two second connecting rods is hinged; The other end of four first connecting rods and four second connecting rods is all hinged correspondingly with four legs.Every root montant is all fixed with the limited block of restriction sliding sleeve upward sliding.Be fixedly connected with by double leval jib between two montants.First connecting rod and second connecting rod overlap with the pin joint that same leg is hinged and described pin joint is positioned at the downside of montant.
As preferably, table pin arranges bench; Certainly one group of table pin can arrange group leader's stool wherein, also group leader's stool can be all set often organizing on a pin.Specifically, the table outside of foot of this folding table is provided with stool plate, and stool plate is connected with table pin by foldable structure.Foldable structure comprises the first triatic stay and is positioned at the second triatic stay below the first triatic stay; Stool plate is fixedly connected with the first triatic stay; One end and the table pin of the first triatic stay are hinged; Second triatic stay and the perpendicular setting of the first triatic stay, the two ends of the second triatic stay are all hinged with first pole and second pole, and one end and first triatic stay of the first pole are hinged, and one end and the table pin of the second pole are hinged.The length being shorter in length than the second pole of the first pole.Elastic component is provided with between second pole and table pin; Under the effect of elastic component, stool plate is easier is switched to deployed condition from folded state and keeps deployed condition; In other words, stool plate can be avoided surprisingly to switch to folded state, and then cause people from sky.
Following scheme can be adopted to replace according to actual conditions foldable structure: foldable structure comprises triatic stay and pole, stool plate is fixedly connected with triatic stay, one end and the table pin of triatic stay are hinged, and one end and the triatic stay of pole are hinged, and table pin has locating hole.The other end of pole penetrates in locating hole, and what realize pole is spacing, and under this state, stool plate is horizontal, and then provides stable thing to sit on for people.The other end of pole is extracted in locating hole, swings stool plate and stool plate is relied on mutually with table pin, so needed for take up room.
Compared with prior art, stool plate is connected with table pin this folding table all the time, without the need to bench and desk being fixed or removing fixing in folded state and the mutual handoff procedure of deployed condition; Therefore there is easy to operate advantage.
Stool plate is arranged on a pin by this folding table, namely utilizes table pin stool for supporting plate, eliminates stool pin, therefore have the advantage that structure is simple and compact.
The foldable structure of this folding table makes stool plate be connected with the leg of table pin, and then improves the intensity of table pin, especially avoids a pin to swing.
Elastic component in the foldable structure of this folding table can avoid people from sky, therefore has the advantage that security is high; Also there is easy to operate advantage simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of this folding table.
Fig. 2 is the side-looking structural representation of this folding table.
Fig. 3 is the perspective view at another visual angle of this folding table.
Fig. 4 is the side-looking structural representation that the bench of this folding table is in folded state.
Fig. 5 is the perspective view that the bench of this folding table is in folded state.
Fig. 6 is the side-looking structural representation that this folding table is in folded state.
Fig. 7 is the perspective view that this folding table is in folded state.
In figure, 1, table; 2, table pin; 2a, leg; 2b, third connecting rod; 3, montant; 4, hinge; 5, sliding sleeve; 6, first connecting rod; 7, second connecting rod; 8, limited block; 9, double leval jib; 10, the first triatic stay; 11, the second triatic stay; 12, the 5th connecting rod; 13, the first pole; 14, the second pole; 15, elastic component; 16, stool plate; 17, the first positioning lock; 18, the second positioning lock.
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.
As shown in Figure 1 to Figure 3, this folding table comprises two pieces of tables, 1, two groups of table pin 2, two group leader's stools and two montants 3.
Be hinged by two groups of hinges 4 between two pieces of tables 1.Two montants 3 to be hingedly connected correspondingly with two groups, and then realize montant 3 and be connected with table 1.Specifically, the jointed shaft of hinge 4 is through corresponding montant 3 upper end, and montant 3 can swing relative to table 1.
The table pin 2 third connecting rod 2b that comprises two leg 2a and be fixedly connected with two leg 2a, table pin 2 is only connected to form by three rod members, therefore has structure simple, lightweight and can the advantage of proof strength.
Two groups of table pin 2 lay respectively at hinge axes both sides between two pieces of tables 1, and two groups of table pin 2 and two pieces of tables 1 are hinged correspondingly.Specifically, the upper end of leg 2a is fixedly connected with table 1 by hinged.In order to improve the aesthetic property of folding table, practicality and structural compactness, as preferably, the pin joint of leg 2a and table 1 distributes and is positioned on four angle points of a rectangle, and between two pieces of tables 1, hinge axes is a center line of above-mentioned rectangle.
Every root montant 3 is all arranged with a sliding sleeve 5, two groups and between table pin 2 and montant 3, is equipped with first connecting rod 6 and second connecting rod 7.The quantity of first connecting rod 6 and second connecting rod 7 is four, and one end of a sliding sleeve 5 and two first connecting rods 6 is hinged, and one end of the lower end of a montant 3 and two second connecting rods 7 is hinged; The other end of the other end of four first connecting rods 6 and four second connecting rods 7 is all hinged correspondingly with four leg 2a.
In order to make this folding table structure simpler, first connecting rod 6 and second connecting rod 7 overlap with the pin joint that same leg 2a is hinged and pin joint is positioned at the downside of montant 3.Specifically, jointed shaft is successively through first connecting rod 6, second connecting rod 7 and leg 2a, and first connecting rod 6 is positioned at outermost, and this structure is conducive to folding.
Every root montant 3 is all fixed with the limited block 8 of restriction sliding sleeve 5 upward sliding; Namely when this folding table is in deployed condition, limited block 8 and limited block 8 lean.In other words, when after placing articles on table 1, Item Weight cannot make sliding sleeve 5 upward sliding again, and then ensures that this folding table can load capacity.
Be fixedly connected with by double leval jib 9 between two montants 3, make between two montants 3, to produce interactive association, ensure the component actuation uniformity be connected with two montants 3, and then handled easily, a pin 2 and connected components can be avoided to swing simultaneously, and then improve the intensity of this folding table, improve this folding table load capacity thus.
When this folding table is in deployed condition, two groups of table pin 2 relatively table 1 all skewed and between two groups of table pin 2 tops spacing be less than bottom two groups of table pin 2 between spacing.By adjusting the length of first connecting rod 6 and second connecting rod 7, can realize adjusting table pin 2 angle of inclination; As preferably, above-mentioned tilt angle alpha controls at 52 ° ~ 70 °.Above-mentioned table pin 2 arrangement table pin 2 area coverage is larger, and table pin 2 more not easily produces swing, and then effectively improves stability when folding table is in deployed condition, improves this folding table load capacity thus.In order to avoid the folding table being in deployed condition produces folding trend, produce between two tables 1 in other words and swing, be provided with the first positioning lock 17 at hinge 4, namely after folding table is in deployed condition, the first above-mentioned positioning lock 17 locked; When needing folding, above-mentioned first positioning lock 17 is opened.
Known in sum, the weight that this folding table can carry is large, therefore all arranges group leader's stool often organizing on a pin 2; And allow many people to be sitting on bench simultaneously.
About bench structure specifically, bench comprises stool plate 16, and stool plate 16 is positioned at stool plate 16 outside a pin 2 and is connected with table pin 2 by foldable structure.Foldable structure comprises two first triatic stays 10 and second triatic stay 11 be positioned at below the first triatic stay 10.Be fixedly connected with by the 5th connecting rod 12 between two first triatic stays 10.First triatic stay 10 and the perpendicular setting of the second triatic stay 11; Stool plate 16 is fixedly connected with the first triatic stay 10.One end of two first triatic stays 10 and two leg 2a of table pin 2 are hinged correspondingly; The pin joint that first triatic stay 10 and leg 2a are hinged and first connecting rod 6 overlap with the pin joint that leg 2a is hinged; Specifically, jointed shaft is also positioned at inner side through the first triatic stay 10, first triatic stay 10, and this structure is conducive to the folding of bench.
The two ends of the second triatic stay 11 are all hinged with first pole 13 and second pole 14, one end and two first triatic stays 10 of two first poles 13 are hinged correspondingly, and one end of two second poles 14 and two leg 2a of table pin 2 are hinged correspondingly.The pin joint that second pole 14 and leg 2a are hinged is positioned at the below of the pin joint that the first triatic stay 10 is hinged with leg 2a.The length being shorter in length than the second pole 14 of the first pole 13.Elastic component 15 is provided with between second pole 14 and table pin 2; Elastic component 15 is spring or rubber belt, and one end of spring is connected with the middle part of the second pole 14, and the other end of spring is connected with the jointed shaft that leg 2a is hinged with the first triatic stay 10.
As shown in Figure 1 to Figure 3, the bench of this folding table is in deployed condition, and the second triatic stay 11 and the first triatic stay 10 lean, and stool plate 16 is in level, second triatic stay 11 supports primarily of the second pole 14, and the second triatic stay 11 is spacing primarily of the first pole 13.Second triatic stay 11 is positioned on the upside of the pin joint line that pin joint that the first pole 13 and the first triatic stay 10 be hinged and the second pole 14 and leg 2a be hinged.
As shown in Figures 4 to 7, the bench of this folding table is in folded state, and the second triatic stay 11 is positioned on the downside of the pin joint line that pin joint that the first pole 13 and the first triatic stay 10 be hinged and the second pole 14 and leg 2a be hinged.
Switch to deployed condition process from folded state, only need to pull stool plate 16 second triatic stay 11 is crossed pin joint that the first pole 13 and the first triatic stay 10 be hinged and the pin joint line that the second pole 14 is hinged with leg 2a, under the effect of elastic component 15 pulling force, support bar to lean with the first triatic stay 10 automatically, and can above-mentioned trend be kept.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, switch to folded state process from deployed condition, two groups of table pin 2 and two tables 1 all close up, and sliding sleeve 5 slides from the top down, and the length of obvious montant 3 meets sliding sleeve 5 and to glide required separation distance.In order to avoid the folding table being in folding state produces expansion trend, produce between two tables 1 in other words and swing, between two groups of table pin 2, be provided with the second positioning lock 18, namely after folding table is in folding state, the second above-mentioned positioning lock 18 locked; When launching to be opened by above-mentioned second positioning lock 18.
First positioning lock 17 is identical with the structure of the second positioning lock 18, comprises lock and the locking plate with locked groove.The locking plate of the first positioning lock 17 is hinged in hinge 4 one swing arm, and lock is fixed in another swing arm of hinge 4.The locking plate of the second positioning lock 18 is hinged on one group of table pin 2, and lock is fixed on another group table pin 2.
Embodiment two
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: foldable structure comprises the pole be positioned on the downside of stool plate 16, one side and the table pin 2 of stool plate 16 are hinged, and one end and the stool plate 16 of pole are hinged, and table pin 2 has locating hole.The other end of pole penetrates in locating hole, and what realize pole is spacing, and under this state, stool plate 16 is horizontal, and then provides stable thing to sit on for people.The other end of pole is extracted in locating hole, swings stool plate 16 and stool plate 16 is relied on table pin 2 phase, so needed for take up room.