CN102871391A - Folding chair and alumium section used by folding chair - Google Patents
Folding chair and alumium section used by folding chair Download PDFInfo
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- CN102871391A CN102871391A CN2012103286213A CN201210328621A CN102871391A CN 102871391 A CN102871391 A CN 102871391A CN 2012103286213 A CN2012103286213 A CN 2012103286213A CN 201210328621 A CN201210328621 A CN 201210328621A CN 102871391 A CN102871391 A CN 102871391A
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Abstract
The invention discloses a folding chair and an alumium section used by the folding chair. The folding chair comprises a chair back support (1), a chair face support (2), two back chair legs (3) and two front chair legs (4); the upper ends of the two front chair legs (4) are respectively pivoted with the upper ends of the two back chair legs (3); the two sides of the middle of the chair surface support (2) are pivoted between the two front chair legs (4); the two sides of the back end of the chair surface support (2) are provided with sliding sleeves (5) which are respectively in sliding connection with the two back chair legs (3); the back ends of the two sides of the chair surface support (2) are provided with pivoting seats (6) which are pivoted with the lower ends of the two sides of the chair back support (1); and the sliding sleeves (5) are respectively pivoted with the pivoting seats (6) at the same side. Compared with the prior art, the folding chair has the characteristic of being good in use stability.
Description
Technical field
The present invention relates to the aluminium section bar of a kind of folding seat and use thereof.
Background technology
Folding seat is convenient to collect and the function of carrying because having, and is standing house articles for use in daily life.At present, the folding seat major part of prior art is that the mode by connecting rod realizes folder function, fraction is to realize folder function by being slidingly connected with the combination that articulates, and is 201020179544 such as the patent No., and name is called a kind of patent of invention of folding seat; But former structure is complicated, and cost is higher, and after using a period of time, and connecting rod bending or rod hinge connection place easily occur and the situation of throwing off easily occurs, and stability in use is relatively poor; And the latter in use, because the sliding sleeve outer circumference surface is provided with projection and seat support pivot joint, the also effect of under tension of articulated section when folding or launching, after using a period of time, rupturing easily appears in the articulated section or projection is easy and the situation of sliding sleeve fracture occurs, the chair back and foreleg are the integral type structure simultaneously, the comfortableness of the chair back when the user is used, herringbone angle between foreleg and the back leg must be enough large, this is just so that the moment of foreleg and back leg articulated section is also larger, and then cause the in use easy stress destruction of foreleg and back leg articulated section, therefore stability in use is also relatively poor.
Summary of the invention
The present invention is directed to above problem preferably rumble seat of a kind of stability in use is provided.
The present invention overcomes the above problems used technical scheme: a kind of folding seat with following structure is provided, it comprises chairback brace, the seat support, two front chair legs of two back legs, the upper end of described two front chair legs articulates with the upper end of two back legs respectively, described seat mid-stent both sides are articulated between two front chair legs, described seat back-end support both sides are equipped with sliding sleeve and are slidingly connected with two back legs respectively, the end, lower end, both sides that the end of the rear end, both sides of described seat support is provided with pin joint seat and chairback brace articulates, and described sliding sleeve articulates with the pin joint seat of homonymy respectively.
After adopting above structure, compared with prior art, the present invention is because the end of the rear end, both sides of seat support is provided with end, lower end, the both sides pivot joint of pin joint seat and chairback brace, then the angle between chairback brace and the seat support does not affect the angle between front chair leg and the back leg, so that when guaranteeing that the chair back has preferably comfortableness, the less that the herringbone angle can arrange between front chair leg and the back leg, and then so that the stressed rear moment to front chair leg and back leg articulated section of seat also reduce thereupon, so that larger gravity can be born in front chair leg and back leg articulated section, be not prone to the situation of stress destruction, stability in use is better; And since sliding sleeve articulate with the pin joint seat of homonymy respectively, sliding sleeve has not had original bulge-structure, and directly articulate with pin joint seat, so that slide over folding or be not subjected to lateral pull when launching, then folding or sliding sleeve can be around rotating with the pin joint seat articulated section when launching, so that sliding sleeve slides up and down is more flexible, strength required when folding or launching is also just less, and the stressed less situation that is not prone to inefficacy of sliding sleeve and pin joint seat articulated section, reliability is better, namely uses stability also better.Therefore the present invention has preferably characteristics of stability in use.
As improvement, it also comprises two handrails, the end, upper end of described two back legs articulates with the middle part of two handrails respectively, be provided with pole between the rear end of described two handrails, and pole is positioned at the rear of chairback brace, after then being provided with two handrails, so that the comfortableness during of the present invention use is better, and after two handrails connect by pole, so that the rotation of two handrails is to rotate synchronously, person's more convenient to use use, and pole is positioned at the rear of chairback brace so that pole and chairback brace play mutually spacing effect, so that the stability of handrail is better, further increase the comfortableness that the present invention uses.
As further improvement, be socketed with the stop collar that spacing sliding sleeve upwards continues slip on the position between the articulated section, upper end of the sliding sleeve on the described back leg and back leg, described stop collar is slidingly socketed on back leg, and former before this need to perforate on back leg, by screw limited block is fixed on again and realizes on the back leg, then the present invention need not again perforate on back leg, do not affect the bulk strength of back leg, and also save screw, parts reduce, and only the stop collar cover need be received on the back leg to get final product, do not need other instrument, therefore assemble simplyr, can further improve efficiency of assembling of the present invention, reduce production costs.
As further improving again, described pin joint seat is provided with the spacing preiection spacing to the chairback brace flip angle, then owing to being limit convex directly to be set on the pin joint seat get up and carry out spacing to the chairback brace flip angle, structure is relatively simple, reliability is better, and then reduces production cost of the present invention.
As further improving, the end, lower end of described two front chair legs is respectively equipped with Universal antiskid mechanism again; Described Universal antiskid mechanism comprises holder and non-slipping block, one end of described holder is connected with the end, lower end of front chair leg, the other end of holder is connected with non-slipping block, being provided with universal joint between the other end of described reservation and the non-slipping block is connected, after then being provided with Universal antiskid mechanism, so that the contacting with ground with the area of maximum all the time of the non-slipping block in the Universal antiskid mechanism, and then guarantee not to be prone to when the present invention uses the situation of slip, prevent the situation that occurs sliding into when the user uses, and can prevent that also the situation on floor from appearring scratching in the chair leg when directly contacting with the floor, so that safety in utilization of the present invention is better; Universal antiskid mechanism includes only holder and non-slipping block simultaneously, and parts are less, and structure is simpler, and then further reduces production cost of the present invention.
As further improving, described non-slipping block is the ball-table shape structure, be connected by universal joint between the other end of the less face of described non-slipping block area and holder, then the ball-table shape structure is in the situation that slide block is put in assurance and contact area of ground is larger, and used material is relatively less, but therefore the conservation cost, and then reduce preparation cost.
As preferably, be provided with connecting rod between the end, lower end of described two back legs, described connecting rod two ends are the integral type structure with the end, lower end of two back legs respectively, described connecting rod is provided with at least one slipmat, the cross section of described slipmat is " C " font structure, back leg tension and the compression strength of this structure are larger, and stability in use is better, and slipmat is also so that the stability of the present invention when reality is used is better simultaneously.
As preferably, be provided with the cross bar that prevents two front chair leg bifurcateds between the lower end of described two front chair legs, described cross bar one end is fixedly connected with a front chair leg, the cross bar other end is fixedly connected with chair leg before another root, and the axis of cross bar is parallel with the seat support, then cross bar arranges rear so that the stability of two front chair legs increases, be not prone in use the situation of rocking, and the situation of bifurcated appears in the lower end that also can prevent two front chair legs under action of gravitation, thereby guarantees stability in use of the present invention.
Another object of the present invention is, a kind of a kind of folding seat aluminium section bar of following structure that has is provided, it comprises the aluminium section bar body, be provided with the first cavity and the second cavity in the described aluminium section bar body, and the second cavity is positioned at the first cavity, described the first cavity and the second cavity be corresponding the first chamber wall and the second chamber wall respectively, be provided with overlapping chamber wall between described the first chamber wall and the second chamber wall, overlapping chamber wall also can be regarded as the one section chamber wall that shares between the first chamber wall and the second chamber wall, described overlapping chamber wall is provided with two and tears in advance groove, tear in advance distance between the groove less than the length of overlapping chamber wall for described two, and two thickness of tearing in advance the groove place is all less than the thickness of overlapping chamber wall.
After adopting above structure, compared with prior art, the present invention is owing to being provided with the first cavity and the second cavity in the aluminium section bar body, and the second cavity is positioned at the first cavity, described the first cavity and the second cavity be corresponding the first chamber wall and the second chamber wall respectively, be provided with overlapping chamber wall between described the first chamber wall and the second chamber wall, overlapping chamber wall also can be regarded as the one section chamber wall that shares between the first chamber wall and the second chamber wall, described overlapping chamber wall is provided with two and tears in advance groove, tear in advance distance between the groove less than the length of overlapping chamber wall for described two, and two thickness of tearing in advance the groove place is all less than the thickness of overlapping chamber wall, then so that behind the body global formation, the general chair back and seat support are U-shaped structure, this external surface does not have open slot, the area of the seat that the user can install as required or chair back granny rag, punch in the position that overlapping chamber wall is fit to, from the free end end face of U-shaped structure two overlapping chamber walls of tearing in advance between the groove are torn until tear the opening that punching can obtain required installation granny rag subsequently, subsequently the gag lever post of granny rag is inserted in the second cavity and gets final product, this has just been avoided installing in the prior art the uncontrollable problem of opening length of granny rag, eliminated that opening length is too short can't install granny rag and the long problem that then can crush the user, and also having solved prior art can't be to granny rag seat support global formation, can only be by the problem of welding or the moulding that is spirally connected, therefore it is higher that the present invention has production efficiency, cost is lower, and can open according to the actual requirements the characteristics of the opening of different length.
Description of drawings
Fig. 1 is the blast structural representation of folding seat of the present invention.
Fig. 2 is the structural representation of folding seat axle side of the present invention.
Fig. 3 is the structural representation of folding seat side-looking of the present invention.
Fig. 4 is the structural representation of folding seat Universal antiskid of the present invention mechanism.
Fig. 5 is the explosive view of folding seat Universal antiskid of the present invention mechanism.
Fig. 6 is the structure for amplifying schematic diagram of A part among Fig. 1.
Fig. 7 is the structural representation of folding seat pin joint seat of the present invention.
Fig. 8 is the structural representation after folding seat of the present invention folds.
Fig. 9 is the structural representation that folding seat of the present invention is used aluminium section bar.
Figure 10 is the structure for amplifying schematic diagram of B part among Fig. 9.
Figure 11 is the opening schematic diagram of folding seat of the present invention when using with aluminium section bar.
As shown in the figure: 1, chairback brace, 2, the seat support, 3, back leg, 4, front chair leg, 5, sliding sleeve, 6, pin joint seat, 6.1, spacing preiection, 7, handrail, 8, pole, 9, stop collar, 10, Universal antiskid mechanism, 10.1, holder, 10.2, non-slipping block, 11, connecting rod, 12, slipmat, 13, cross bar, 14, aluminium section bar body, the 15, first cavity, the 15.1, first chamber wall, the 16, second cavity, 16.1, the second chamber wall, 17, overlapping chamber wall, 18, tear groove in advance.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and a kind of folding seat shown in Figure 8, it comprises chairback brace 1, seat support 2, it also comprises other parts certainly for two back legs 3 and two front chair leg 4(, but owing to not relating to the inventive point of the invention, therefore do not repeat them here), the upper end of described two front chair legs 4 articulates with the upper end of two back legs 3 respectively, the end, upper end of general two front chair legs 4 articulates with the upper end of two back legs 3 respectively by U-shaped pin joint seat, and this U-shaped pin joint seat is separately fixed near the upper end close end of two back legs 3, both sides, described seat support 2 middle part are articulated between two front chair legs 4, the rear end of the slightly biased nearly seat support 2 in articulated section of common both sides, seat support 2 middle part, both sides, described seat support 2 rear end are equipped with sliding sleeve 5 and are slidingly connected with two back legs 3 respectively, the end, lower end, both sides that the end of the rear end, both sides of described seat support 2 is provided with pin joint seat 6 and chairback brace 1 articulates, described sliding sleeve 5 articulates with the pin joint seat 6 of homonymy respectively, and general sliding sleeve 5 is articulated in the position that chairback brace 1 and pin joint seat 6 articulate.
It also comprises two handrails 7, general handrail 7 is square aluminium, the end, two ends is equipped with end cap, prevent the scratch user, the end, upper end of described two back legs 3 articulates with the middle part of two handrails 7 respectively, the bottom surface that also can be regarded as described two handrail 7 middle parts herein is equipped with hinged seat, the end, upper end of described two back legs 3 respectively with corresponding two handrails 7 on hinged seat hinged, be provided with pole 8 between the rear end of described two handrails 7, and pole 8 is positioned at the rear of chairback brace 1.
Be socketed with the stop collar 9 that spacing sliding sleeve 5 upwards continues slip on the position between sliding sleeve 5 on the described back leg 3 and the articulated section, upper end of back leg 3, described stop collar 9 is slidingly socketed on back leg 3, also can be regarded as stop collar 9 and be slidingly socketed on back leg 3, and stop collar 9 is between sliding sleeve 5 and U-shaped pin joint seat.
As shown in Figure 7, described pin joint seat 6 is provided with the spacing preiection 6.1 spacing to chairback brace 1 flip angle, and spacing preiection 6.1 is the integral type injection mo(u)lding with pin joint seat 6.
The end, lower end of described two front chair legs 4 is respectively equipped with Universal antiskid mechanism 10, and so-called Universal antiskid mechanism refers to how to place on the ground, so long as front chair leg 4 lands, Universal antiskid mechanism all can contact fully with ground after appointing the present invention to launch.
As shown in Figure 4 and Figure 5, described Universal antiskid mechanism 10 comprises holder 10.1 and non-slipping block 10.2, one end of described holder 10.1 is connected with the end, lower end of front chair leg 4, the other end of holder 10.1 is connected with non-slipping block 10.2, be provided with universal joint between the other end of described reservation 10.1 and the non-slipping block 10.2 and be connected, can be regarded as also that ball connects between the other end of reservation 10.1 and the non-slipping block 10.2.
Described non-slipping block 10.2 is the ball-table shape structure, is connected by universal joint between the other end of the less face of described non-slipping block 10.2 areas and holder 10.1.
Be provided with connecting rod 11 between the end, lower end of described two back legs 3, described connecting rod 11 two ends are the integral type structure with the end, lower end of two back legs 3 respectively, it is two that described connecting rod 11 is provided with at least one this example of slipmat 12(, also can be one, three, four or five etc.), the cross section of described slipmat 12 is " C " font structure.
Be provided with the cross bar 13 that prevents two front chair leg 4 bifurcateds between the lower end of described two front chair legs 4, described cross bar 13 1 ends are fixedly connected with a front chair leg 4, cross bar 13 other ends are fixedly connected with chair leg 4 before another root, and the axis of cross bar 13 is parallel with seat support 2.
As shown in Figure 9 and Figure 10, a kind of folding seat aluminium section bar, it comprises aluminium section bar body 14, be provided with the first cavity 15 and the second cavity 16 in the described aluminium section bar body 14, and the second cavity 16 is positioned at the first cavity 15, be not communicated with mutually between general the second cavity 16 and the first cavity 15, described the first cavity 15 and the second cavity 16 are respectively to having the first chamber wall 15.1 and the second chamber wall 16.1, be provided with overlapping chamber wall 17 between described the first chamber wall 15.1 and the second chamber wall 16.1, general the first chamber wall 15.1 and the second chamber wall 16.1 are cirque structure, therefore also to can be regarded as be one section circular arc that the first chamber wall 15.1 and the second chamber wall 16.1 share to overlapping chamber wall 17, be the lap of the first chamber wall 15.1 and the second chamber wall 16.1, described overlapping chamber wall 17 is provided with two and tears in advance groove 18, tear in advance distance between the groove 18 less than the length of overlapping chamber wall 17 for described two, and two thickness of tearing in advance groove 18 places just can with two the overlapping chamber walls 17 in advance torn groove 18 between be torn formation opening to make things convenient for the workman by hand all less than the thickness of overlapping chamber wall 17.
During use, as shown in figure 11, at first according to the width of required installation cloth, on the aluminium section bar body 14 punch in wall 17 suitable positions in overlapping chamber, from section part two overlapping chamber wall 17 parts and aluminium section bar bodies 14 of tearing in advance between the groove 18 are torn subsequently, can be realized aluminium section bar body 14 openings until tear punching place.
Above embodiment only is preferred embodiment of the present invention, and the present invention is not limited only to above embodiment and has also allowed other structural change, allly changes in rights to independence claimed range of the present invention, all belongs to protection domain of the present invention.
Claims (10)
1. folding seat, it comprises chairback brace (1), seat support (2), two back legs (3) and two front chair legs (4), the upper end of described two front chair legs (4) articulates with the upper end of two back legs (3) respectively, both sides, described seat support (2) middle part are articulated between two front chair legs (4), described seat support (2) both sides, rear end are equipped with sliding sleeve (5) and are slidingly connected with two back legs (3) respectively, it is characterized in that: the end, lower end, both sides that the end of the rear end, both sides of described seat support (2) is provided with pin joint seat (6) and chairback brace (1) articulates, and described sliding sleeve (5) articulates with the pin joint seat (6) of homonymy respectively.
2. folding seat according to claim 1, it is characterized in that: it also comprises two handrails (7), the end, upper end of described two back legs (3) articulates with the middle part of two handrails (7) respectively, be provided with pole (8) between the rear end of described two handrails (7), and pole (8) is positioned at the rear of chairback brace (1).
3. folding seat according to claim 1, it is characterized in that: be socketed with the stop collar (9) that spacing sliding sleeve (5) upwards continues slip on the position between the sliding sleeve (5) on the described back leg (3) and the articulated section, upper end of back leg (3), described stop collar (9) is slidingly socketed on back leg (3).
4. folding seat according to claim 1, it is characterized in that: described pin joint seat (6) is provided with the spacing preiection (6.1) spacing to chairback brace (1) flip angle.
5. folding seat according to claim 1, it is characterized in that: the end, lower end of described two front chair legs (4) is respectively equipped with Universal antiskid mechanism (10).
6. folding seat according to claim 5, it is characterized in that: described Universal antiskid mechanism (10) comprises holder (10.1) and non-slipping block (10.2), one end of described holder (10.1) is connected with the end, lower end of front chair leg (4), the other end of holder (10.1) is connected with non-slipping block (10.2), is provided with universal joint between the other end of described reservation (10.1) and the non-slipping block (10.2) and is connected.
7. folding seat according to claim 6 is characterized in that: described non-slipping block (10.2) is the ball-table shape structure, is connected by universal joint between the other end of the less face of described non-slipping block (10.2) area and holder (10.1).
8. folding seat according to claim 1, it is characterized in that: be provided with connecting rod (11) between the end, lower end of described two back legs (3), described connecting rod (11) two ends are the integral type structure with the end, lower end of two back legs (3) respectively, described connecting rod (11) is provided with at least one slipmat (12), and the cross section of described slipmat (12) is " C " font structure.
9. folding seat according to claim 1, it is characterized in that: be provided with the cross bar (13) that prevents two front chair legs (4) bifurcated between the lower end of described two front chair legs (4), described cross bar (13) one ends are fixedly connected with a front chair leg (4), cross bar (13) other end is fixedly connected with chair leg (4) before another root, and the axis of cross bar (13) is parallel with seat support (2).
10. folding seat aluminium section bar, it comprises aluminium section bar body (14), it is characterized in that: be provided with the first cavity (15) and the second cavity (16) in the described aluminium section bar body (14), and the second cavity (16) is positioned at the first cavity (15), described the first cavity (15) and the second cavity (16) are respectively to having the first chamber wall (15.1) and the second chamber wall (16.1), be provided with overlapping chamber wall (17) between described the first chamber wall (15.1) and the second chamber wall (16.1), described overlapping chamber wall (17) is provided with two and tears in advance groove (18), tear in advance distance between the groove (18) less than the length of overlapping chamber wall (17) for described two, and two are torn thickness that groove (18) locates in advance all less than the thickness of overlapping chamber wall (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210328621.3A CN102871391B (en) | 2012-09-07 | 2012-09-07 | Folding chair and alumium section used by folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210328621.3A CN102871391B (en) | 2012-09-07 | 2012-09-07 | Folding chair and alumium section used by folding chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102871391A true CN102871391A (en) | 2013-01-16 |
| CN102871391B CN102871391B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210328621.3A Active CN102871391B (en) | 2012-09-07 | 2012-09-07 | Folding chair and alumium section used by folding chair |
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| Country | Link |
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| CN (1) | CN102871391B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456459A (en) * | 2013-09-13 | 2015-03-25 | 深圳市海洋王照明工程有限公司 | Movable illuminating device and gasket structure thereof |
| WO2017181362A1 (en) * | 2016-04-20 | 2017-10-26 | 广州吉嗣利婴儿用品有限公司 | Multiuse foldable furniture |
| CN109925555A (en) * | 2019-04-09 | 2019-06-25 | 李菁 | A kind of sitting posture gynaecologic cleaning device |
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| CN104456459A (en) * | 2013-09-13 | 2015-03-25 | 深圳市海洋王照明工程有限公司 | Movable illuminating device and gasket structure thereof |
| CN104456459B (en) * | 2013-09-13 | 2019-07-19 | 深圳市海洋王照明工程有限公司 | Movable lighting device and its gasket construction |
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| US10342339B2 (en) | 2016-04-20 | 2019-07-09 | Guangzhou Jisili Baby Products Co. Ltd. | Multiuse foldable furniture |
| CN109925555A (en) * | 2019-04-09 | 2019-06-25 | 李菁 | A kind of sitting posture gynaecologic cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102871391B (en) | 2014-12-17 |
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