Folding table
Technical field
The invention belongs to furniture technical field, 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.In office, open air, public place of entertainment and other place, use desk and chair right and wrong usually to see at home.Conventionally, chair or stool and desk are used in conjunction with, and people are had a meal or other purposes on being sitting on chair or bench.
Desk and chair or stool normally use and design according to specific environment, but also dissimilar desk and chair or stool can be used in other environment.For example, the desk using out of doors and chair or stool are normally made up of the material of standing the weather effects such as rainwater, snow, hail and sunlight, make materials such as hardwood, metal and concrete.The common comparatively robust of the desk that these materials are made and chair or stool and durable in use; But the desk that these materials are made and chair or stool are conventionally heavier and be difficult to mobile.Therefore, this class desk and chair or stool are difficult to carry conventionally; In addition, this class desk and chair or stool need regular maintenance and maintenance conventionally.
In order conveniently to deposit and to transport, people have designed various folding tables, and wherein part is documented in pertinent literature.As the folding table of Chinese patent literature record and the system [application number: 200480000254.8 of bench; Granted publication number: CN100502724C], folding rear bench and desk can be fixed together.And for example conjoined jack-knifing table [application number: 200320123286.X; Granted publication number: CN2671413Y], a folding rear table pin is positioned at table one side.And for example a kind of folding table [application number: 200720008718.0; Granted publication number: CN201119559Y], folding rear 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 being folding scheme diversity makes a due contribution; Make people's more selection scheme again.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed the folding table of another kind of structure.
Object of the present invention can realize by following technical proposal: this folding table, comprise two tables and two groups of table pin, and between two tables, be hinged; It is characterized in that, two groups of table pin lay respectively between two tables hinge axes both sides and two groups of table pin and two tables and are hinged correspondingly; Between two groups of table pin, be provided with montant, be arranged with sliding sleeve on montant, montant upper end is connected with table, between two groups of table pin and montant, is equipped with first connecting rod and second connecting rod; 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.
When expansion, can lean and realize spacingly by two table sides, avoid launching transition and maybe cannot realize stable support.Spacingly adopt following scheme to replace in order to realize: the limited block of restriction sliding sleeve upward sliding is set on montant, and two tables form a smooth desktop in the time that sliding sleeve and limited block lean.Certainly, limited block is set on montant, and in the time that sliding sleeve and limited block lean, ensures that again two table sides lean.
In order to ensure the portability of desk, can ensure again the bearing capacity of desk in deployed condition, can adopt following technical characterictic simultaneously or select part technical characterictic: this folding table in the time of deployed condition, two groups of relative tables of table pin all between skewed and two groups of table pin tops spacing be less than spacing between two groups of table foot bottoms.
Table pin comprises two legs and the third connecting rod being fixedly connected with two legs, and leg and table are hinged; 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, the center line that between two tables, hinge axes is above-mentioned rectangle.
The quantity of montant is two, the phase contact place, sideline of the tie point of montant and table hinge axes and above-mentioned rectangle between above-mentioned two tables; On every 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.On every montant, be all fixed with the limited block of restriction sliding sleeve upward sliding.Between two montants, be fixedly connected with by the 4th connecting rod.The pin joint that first connecting rod and second connecting rod are hinged with same leg overlaps and described pin joint is positioned at the downside of montant.
As preferably, on table pin, bench is set; Certainly on one group of table pin, group leader's stool is set therein, group leader's stool also can be all set on every group of table 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 of the first triatic stay below; Stool plate is fixedly connected with the first triatic stay; One end of the first triatic stay is hinged with table pin; The 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 of the first pole and the first triatic stay are hinged, and one end of the second pole is hinged with table pin.The length that is shorter in length than the second pole of the first pole.Between the second pole and table pin, be provided with elastic component; Under the effect of elastic component, stool plate is more easily switched to deployed condition and keeps deployed condition from folded state; In other words, can avoid stool plate surprisingly to switch to folded state, and then cause people from sky.
Can adopt following scheme 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 of triatic stay is hinged with table pin, and one end and the triatic stay of pole are hinged, and on table pin, has locating hole.The other end of pole penetrates in locating hole, realizes spacing to pole, 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, and swing stool plate stool plate and table pin are relied on mutually, and then required taking up room.
Compared with prior art, stool plate is connected with table pin this folding table all the time, in folded state and the mutual handoff procedure of deployed condition without bench and desk are fixed or removed fixing; Therefore have advantages of easy to operate.
This folding table is arranged on stool plate on a pin, utilizes table pin stool for supporting plate, has omitted stool pin, therefore has advantages of simple in structure 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 advantages of safe; Also have advantages of easy to operate simultaneously.
Brief description of the drawings
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 that the bench of this folding table is in the side-looking structural representation of folded state.
Fig. 5 is that the bench of this folding table is in the perspective view of folded state.
Fig. 6 is the side-looking structural representation of this folding table in folded state.
Fig. 7 is the perspective view of this folding table 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, the 4th connecting rod; 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 by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1 to Figure 3, this folding table comprises two tables 1, two groups of table pin 2, two group leader's stools and two montants 3.
Between two tables 1, be hinged by two groups of hinges 4.Two montants 3 are 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 ends, and montant 3 can swing with respect to table 1.
Table pin 2 comprises two leg 2a and the third connecting rod 2b being fixedly connected with two leg 2a, and a table pin 2 is only connected to form by three rod members, therefore has advantages of simple in structure, lightweight and can proof strength.
Two groups of table pin 2 lay respectively at hinge axes both sides between two tables 1, and two groups of table pin 2 and two tables 1 are hinged correspondingly.Specifically, the upper end of leg 2a is fixedly connected with table 1 by hinged.In order to improve aesthetic property, practicality and the structural compactness of folding table, as preferably, the pin joint of leg 2a and table 1 distributes and is positioned on four angle points of a rectangle, the center line that between two tables 1, hinge axes is above-mentioned rectangle.
On every montant 3, be all arranged with between 5, two groups of table pin 2 of a sliding sleeve and montant 3 and be 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, the pin joint that first connecting rod 6 and second connecting rod 7 are hinged with same leg 2a overlaps 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 fold.
On every montant 3, be all fixed with the limited block 8 of restriction sliding sleeve 5 upward slidings; When this folding table during in deployed condition limited block 8 lean with limited block 8.In other words, when after placing articles on table 1, Item Weight cannot make sliding sleeve 5 upward slidings again, and then ensures that this folding table can load capacity.
Between two montants 3, be fixedly connected with by the 4th connecting rod 9, make to produce between two montants 3 interactive associated, ensure the parts action consistency being connected with two montants 3, and then handled easily, can avoid a pin 2 and connected components to swing simultaneously, and then improve the intensity of this folding table, improve thus this folding table load capacity.
This folding table in the time of deployed condition, two groups of relative tables 1 of table pin 2 all between skewed and two groups of table pin 2 tops spacing be less than spacing between two groups of table pin 2 bottoms.By adjusting the length of first connecting rod 6 and second connecting rod 7, can realize and adjust table pin 2 angles of inclination; As preferably, above-mentioned tilt angle alpha is controlled at 52 °~70 °.Above-mentioned table pin 2 arrangement table pin 2 area coverages are larger, and the more difficult generation of table pin 2 swings, and then effectively improves the stability of folding table in the time of deployed condition, improves thus this folding table load capacity.Produce folding trend for fear of the folding table in deployed condition, between two tables 1, produce and swing in other words, be provided with the first positioning lock 17 at hinge 4, when folding table is after deployed condition, the first above-mentioned positioning lock 17 is locked; In the time needing folding, above-mentioned the first positioning lock 17 is opened.
Known in sum, the weight that this folding table can carry is large, and therefore group leader's stool is all set on every group of table pin 2; And allow many people to be sitting on bench simultaneously.
About the structure of bench specifically, bench comprises stool plate 16, and stool plate 16 is positioned at a pin 2 outside stool plates 16 and is connected with table pin 2 by foldable structure.Foldable structure comprises that two the first triatic stays 10 and one are positioned at the second triatic stay 11 of the first triatic stay 10 belows.Between two the first triatic stays 10, be fixedly connected with by the 5th connecting rod 12.The 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 the first triatic stays 10 is hinged correspondingly with two leg 2a of table pin 2; The pin joint that the first triatic stay 10 is hinged with leg 2a 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, the first triatic stays 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 of two the first poles 13 and two the first triatic stays 10 are hinged correspondingly, and one end of two the second poles 14 is hinged correspondingly with two leg 2a of table pin 2.The pin joint that the second pole 14 and leg 2a are hinged is positioned at the below of the pin joint that the first triatic stay 10 and leg 2a be hinged.The length that is shorter in length than the second pole 14 of the first pole 13.Between the second pole 14 and table pin 2, be provided with elastic component 15; 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, the second triatic stay 11 is mainly supported by the second pole 14, and the second triatic stay 11 is mainly spacing by the first pole 13.The second triatic stay 11 is positioned at the pin joint line upside that pin joint that the first pole 13 and the first triatic stay 10 be hinged and the second pole 14 and leg 2a are 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 at the pin joint line downside that pin joint that the first pole 13 and the first triatic stay 10 be hinged and the second pole 14 and leg 2a are hinged.
Switch to deployed condition process from folded state, only needing to pull stool plate 16 makes the second triatic stay 11 cross 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 are hinged, under elastic component 15 pulling force effects, support bar and lean with the first triatic stay 10 automatically, and can keep above-mentioned trend.
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 obviously the length of montant 3 meets sliding sleeve 5 downslide required separation distances.Produce expansion trend for fear of the folding table in folding state, between two tables 1, produce and swing in other words, between two groups of table pin 2, be provided with the second positioning lock 18, when folding table is after folding state, the second above-mentioned positioning lock 18 is locked; When need launch above-mentioned the second positioning lock 18 to open.
The 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 arms, and lock is fixed in hinge 4 another swing arms.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 bis-
The present embodiment is basic identical with structure and the principle of embodiment mono-, different place is: foldable structure comprises the pole that is positioned at stool plate 16 downsides, one side of stool plate 16 is hinged with table pin 2, and one end of pole and stool plate 16 are hinged, and on table pin 2, has locating hole.The other end of pole penetrates in locating hole, realizes spacing to pole, 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, and swing stool plate 16 stool plate 16 and table pin 2 are relied on mutually, and then required taking up room.