CN203897633U - Portable and foldable table and chair - Google Patents

Abstract

The utility model discloses a portable and foldable table and chair. The portable and foldable table and chair comprises a lifting table, a chair and a link mechanism, wherein the lifting table and the chair are connected together through the link mechanism. The advantages of being convenient to carry, adjustable in height, foldable and integrated are achieved through the mechanism as simple as possible. The portable and foldable table and chair has the advantages of being simple in structure, good in manufacturability, convenient to operate, environmentally friendly and convenient to carry and maintain, and the cost is easy to control.

Description

A kind of portable and collapsible tables and chairs

Technical field

The utility model relates to novel school desk and chair, is specially a kind of portable and collapsible tables and chairs.

Background technology

The factor that affects tables and chairs operating characteristic mainly comprises height of table top, tables and chairs weight, portability etc.Meanwhile, tables and chairs generally support the use, and this is very important for its management, can address this problem admirably so tables and chairs are integrated.In addition, a large amount of application tree resources, are unfavorable for carrying out the industrial development trend of energy-conserving and environment-protective, and therefore non-wooden material should be the first-selection of this series products.In current most campus, existing wooden desk exists heaviness, carrying inconvenience, function singleness, height can not, manage inconvenience and waste many deficiencies such as tree resources.In addition, although instantly also there is non-wooden lifting student desk, steel-wood structure causes tables and chairs leg complex structure, and because can not regulate conveniently height, need to use certain apparatus and just can regulate, cause the lifting desk of a lot of schools to become fixing desk.Some other forms of portable or folding tables and chairs on market, for example name be called " conjoined jack-knifing table (200710132945.9) " although invention realized portability and folding functional, but its complicated integral structure, quality of fit between pipe fitting is had relatively high expectations, established technology is poor, and then causes the increase of processing cost.

Utility model content

For the deficiencies in the prior art, the technical problem that the utility model quasi-solution is determined is: a kind of portable and collapsible tables and chairs are provided, this utility model adopts that the simple winding machine of trying one's best is easy to carry, the function such as highly adjustable, collapsible, integrated, has simple in structure, good manufacturability, easy to operate, cost is easy to control, environmental protection, be convenient to the features such as carrying and maintenance.

The technical scheme that the utility model solve the technical problem is: design a kind of portable and collapsible tables and chairs, comprise same table, seat, linkage, same table and seat link together by linkage, it is characterized in that: described same table comprises desktop, slideway, Y type slide block and elevating mechanism; The submarginal place, the left and right sides, bottom surface of the desktop of described same table is equipped with slideway, on slideway every the uniform locating hole of 2-3cm; Described elevating mechanism adopts X-type cross linkage, and the elevating lever radical of employing is according to the requirement of same table height is determined; Respectively there are respectively one set of lifting mechanism and the combination of above-mentioned left and right slideway in described desktop left and right, and combination, for this elevating mechanism one elevating lever and slideway one end are connected, is called stiff end; Another elevating lever of this elevating mechanism is connected with Y type slide block by the hole on the lower limb of a Y type slide block with bolt, is called sliding end; Described Y type slide block is installed on slideway inside, and with slideway laminating completely just, Y type slide block is slided along slideway, two upper limbs have with slideway on the measure-alike circular hole of locating hole, slide block is located on slideway with alignment pin; The elongate slit that the lower limb of described Y type slide block are outputed by slideway lower surface reaches slideway outside, is connected with elevating mechanism bolt;

Described seat comprises seat, support bar, chute, outer tube, inner tube and ground supports structure; Described outer tube and inner tube are one group of sleeve pipe, and the diameter of outer tube is greater than inner tube and is enclosed within the outside of inner tube, and inner tube one end part is exposed, and the other end is deep into the inside of outer tube, and outer tube and inner tube are assembled into the feet of seat; The about 1-2cm place, partial distance inner tube upper end that described inner tube is exposed is drilled with through hole, and this through-bore axis is vertical with inner tube axis, and this inner tube has one end of through hole to be connected with seat, and the other end links together by outer tube and ground supports structure; On described outer tube wall, have chute, be uniform staggered with some locating holes in the chute left and right sides every 2-3cm, be fixed on inner pipe wall through chute with having strong market potential of chute width same size with one, this is had strong market potential and can in chute, slide, can have strong market potential to be stuck in different locating holes and position by this, realize the adjusting of height of seat; The lower surface of described seat is equipped with twice crossbeam symmetrically, parallel and the spacing of crossbeam is above-mentioned inner tube outside dimension, the upper end of inner tube is installed in the middle of twice crossbeam and connects by stay bolt, stay bolt length surplus capacity is 1-2cm, after support bar punching, be enclosed within this stay bolt part more than needed, and use nut screwing clamping bolt; Described ground supports structure is sphere of movements for the elephants type shape, is connected with above-mentioned outer tube lower end;

Described linkage is four rod type, and a bar of the elevating mechanism of same table is as the fixed bar of linkage, and swing arm one end of linkage is connected in fixed bar one end, and the other end is connected in the side of chair surface, uses short pin to connect.

Compared with prior art, the simple four-bar mechanism of the utility model portable and collapsible tables and chairs utilization is realized the adjusting of complicated tables and chairs folding and seat and desktop height, after folding, light weight is individual little, be easy to carry, and processing technology is simple, cost is easy to control, the easy recycling of material, realize lightweight, greenization, be convenient to go into operation and move towards market.

Brief description of the drawings

Fig. 1 is the overall open mode structural representation of a kind of embodiment of the utility model portable and collapsible tables and chairs;

Fig. 2 is the same table structural representation of a kind of embodiment of the utility model portable and collapsible tables and chairs;

Fig. 3 is the overall shrinkage state horizontal type structure schematic diagram of a kind of embodiment of the utility model portable and collapsible tables and chairs;

Fig. 4 is the overall shrinkage state vertical structure schematic diagram of a kind of embodiment of the utility model portable and collapsible tables and chairs;

Fig. 5 is the slide block structure schematic diagram of a kind of embodiment of the utility model portable and collapsible tables and chairs;

Fig. 6 is the armchair structure schematic diagram of a kind of embodiment of the utility model portable and collapsible tables and chairs;

Detailed description of the invention

Further narrate the utility model below in conjunction with embodiment and accompanying drawing thereof.Embodiment is only the detailed description to technical solution of the present invention, does not form the restriction to the utility model claim.

The portable and collapsible tables and chairs of the utility model design are (hereinafter to be referred as portable tables and chairs, referring to Fig. 1-6), comprise same table 1, seat 2, linkage 3, same table 1 links together by linkage 3 with seat 2, it is characterized in that: described same table 1 comprises desktop 101, slideway 102, Y type slide block 103 and elevating mechanism 104; The submarginal place, the left and right sides, bottom surface of the desktop 101 of described same table 1 is equipped with slideway 102, on slideway 102 every the uniform locating hole of 2-3cm; Described elevating mechanism 104 adopts X-type cross linkage, and the elevating lever radical of employing is according to the requirement of same table 1 height is determined; Described desktop 101 left and right respectively have respectively one set of lifting mechanism 104 and above-mentioned left and right slideway 102 to combine, and combination, for these elevating mechanism 104 1 elevating levers and slideway 102 one end are connected, is called stiff end; Another elevating lever of this elevating mechanism 104 is connected with Y type slide block 103 by the hole on the lower limb of a Y type slide block 103 with bolt, is called sliding end; Described Y type slide block 103 is installed on slideway 102 inside, and with slideway 102 laminating completely just, Y type slide block 103 is slided along slideway, two upper limbs have with slideway 102 on the measure-alike circular hole of locating hole, slide block 103 is located on slideway 102 with alignment pin; The elongate slit that the lower limb of described Y type slide block 103 are outputed by slideway 102 lower surfaces reaches slideway 102 outsides, is connected with elevating mechanism 4 bolts;

Described seat 2 comprises seat 201, support bar 202, chute 203, outer tube 204, inner tube 206 and ground supports structure 205; Described outer tube 204 is one group of sleeve pipe with inner tube 206, the diameter of outer tube 204 is greater than inner tube 206 and is enclosed within the outside of inner tube 206, inner tube 206 one end parts are exposed, and the other end is deep into the inside of outer tube 204, and outer tube 204 and inner tube 206 are assembled into the feet of seat 2; The partial distance inner tube 206 about 1-2cm places, upper end that described inner tube 206 is exposed are drilled with through hole, this through-bore axis is vertical with inner tube 206 axis, this inner tube 206 has one end of through hole to be connected with seat 201, and the other end links together by outer tube 204 and ground supports structure 205; On described outer tube 204 tube walls, have chute 203, be uniform staggered with some locating holes in chute 203 left and right sides every 2-3cm, be fixed on inner tube 206 tube walls through chute 203 with having strong market potential of chute 203 width same sizes with one, this is had strong market potential and can in chute 203, slide, can have strong market potential to be stuck in different locating holes and position by this, realize the adjusting of height of seat;

The lower surface of described seat 201 is equipped with twice crossbeam 207 symmetrically, parallel and the spacing of crossbeam 207 is above-mentioned inner tube 206 outside dimensions, the upper end of inner tube 206 is installed in the middle of twice crossbeam 207 and connects by stay bolt, stay bolt length surplus capacity is 1-2cm, after support bar 202 punchings, be enclosed within this stay bolt part more than needed, and use nut screwing clamping bolt; Described ground supports structure 205 is sphere of movements for the elephants type shape, is connected with above-mentioned outer tube 204 lower ends;

Described linkage 3 is four rod type, and a bar of the elevating mechanism 104 of same table is as the fixed bar of linkage 3, and swing arm one end of linkage 3 is connected in fixed bar one end, and the other end is connected in the side of chair surface, uses short pin to connect.

The utility model operation principle: transferred in stand-by state process by use state, first take support bar 202 from stay bolt part more than needed, seat 201 is turned to and be adjacent to inner tube 206, at this moment adhering to outer tube 204 folding connecting rod mechanisms 3 tightens up to desktop 101 bottoms again, finally take off the alignment pin of same table 1, be down to minimum and seat 201 is fitted below with desktop 101 above, entirety can be tightened to stand-by state.

Transfer to and using in state procedure by stand-by state, first desktop 101 is lifted to the height needing, the alignment pin of this desktop 101 is inserted in the hole of Y type slide block 103 and slideway 102, make desktop 101 highly fixing, then adhere to outer tube 204 and launch linkage 3 by seat 2 part entirety pull-outs, then seat 201 being turned to level and support bar 202 is arranged on to above-mentioned stay bolt part more than needed makes seat 201 stable, then be adjusted at the position of having strong market potential in chute 203 in inner tube 206 and realize the height of seat 2 and regulate, can transfer use state to.

Compared with prior art, the simple four-bar mechanism of the utility model portable and collapsible tables and chairs utilization is realized the adjusting of complicated tables and chairs folding and seat and desktop height, after folding, height is below 20cm, and light weight is individual little, also has handle to be used for pulling, be easy to carry, and processing technology is simple, cost is easy to control, the easy recycling of material, realize lightweight, greenization, be convenient to go into operation and move towards market.

The utility model is not addressed part and is applicable to prior art.

Claims (1)

1. portable and collapsible tables and chairs, is characterized in that this Foldable table chair comprises same table, seat, linkage, and described same table and seat link together by linkage; Described same table comprises desktop, slideway, Y type slide block and elevating mechanism; The submarginal place, the left and right sides, bottom surface of the desktop of described same table is equipped with slideway, on slideway every the uniform locating hole of 2-3cm; Described elevating mechanism adopts X-type cross linkage, and the elevating lever radical of employing is according to the requirement of same table height is determined; Respectively there are respectively one set of lifting mechanism and the combination of above-mentioned left and right slideway in described desktop left and right, and combination, for this elevating mechanism one elevating lever and slideway one end are connected, is called stiff end; Another elevating lever of this elevating mechanism is connected with Y type slide block by the hole on the lower limb of a Y type slide block with bolt, is called sliding end; Described Y type slide block is installed on slideway inside, and with slideway laminating completely just, Y type slide block is slided along slideway, two upper limbs have with slideway on the measure-alike circular hole of locating hole, slide block is located on slideway with alignment pin; The elongate slit that the lower limb of described Y type slide block are outputed by slideway lower surface reaches slideway outside, is connected with elevating mechanism bolt;

Described seat comprises seat, support bar, chute, outer tube, inner tube and ground supports structure; Described outer tube and inner tube are one group of sleeve pipe, and the diameter of outer tube is greater than inner tube and is enclosed within the outside of inner tube, and inner tube one end part is exposed, and the other end is deep into the inside of outer tube, and outer tube and inner tube are assembled into the feet of seat; The about 1-2cm place, partial distance inner tube upper end that described inner tube is exposed is drilled with through hole, and this through-bore axis is vertical with inner tube axis, and this inner tube has one end of through hole to be connected with seat, and the other end links together by outer tube and ground supports structure; On described outer tube wall, have chute, be uniform staggered with some locating holes in the chute left and right sides every 2-3cm, be fixed on inner pipe wall through chute with having strong market potential of chute width same size with one, this is had strong market potential and can in chute, slide, can have strong market potential to be stuck in different locating holes and position by this, realize the adjusting of height of seat; The lower surface of described seat is equipped with twice crossbeam symmetrically, parallel and the spacing of crossbeam is above-mentioned inner tube outside dimension, the upper end of inner tube is installed in the middle of twice crossbeam and connects by stay bolt, stay bolt length has surplus capacity, after support bar punching, be enclosed within this stay bolt part more than needed, and use nut screwing clamping bolt; Described ground supports structure is sphere of movements for the elephants type shape, is connected with above-mentioned outer tube lower end;

Described linkage is four rod type, and a bar of the elevating mechanism of same table is as the fixed bar of linkage, and swing arm one end of linkage is connected in fixed bar one end, and the other end is connected in the side of chair surface, uses short pin to connect.