CN102669936B - Novel extensible type round table driven by mechanical mechanism - Google Patents
Novel extensible type round table driven by mechanical mechanism Download PDFInfo
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- CN102669936B CN102669936B CN201210168505XA CN201210168505A CN102669936B CN 102669936 B CN102669936 B CN 102669936B CN 201210168505X A CN201210168505X A CN 201210168505XA CN 201210168505 A CN201210168505 A CN 201210168505A CN 102669936 B CN102669936 B CN 102669936B
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- axle sleeve
- round table
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- mounting brackets
- lower floor
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Abstract
The invention relates to a novel extensible type round table driven by a mechanical mechanism and belongs to the field of machine design and manufacture. The novel extensible type round table driven by the mechanical mechanism is characterized in that a tabletop of the round table is skillfully divided into three layers, and a three-dimensional linkage mechanism is arranged below the tabletop of the round table in the design; by means of the three-dimensional linkage mechanism, the radial reciprocating motion and lifting space omni-directional linkage of a middle-top layer and a middle layer of the three layers of tabletop boards are achieved, and synchronous revolution motion of the three layers of the boards is achieved; and by means of a linked mechanical device, furniture like the round table can be changed from small to big or from big to small, and during using, the round table can be changed into a bigger or into a smaller by moving one of the tabletop boards. By means of the mechanical device, the problem that tabletops of the furniture like the round table are hard to extend in space is solved, and a solution is provided for effectively utilizing space in sites of households, restaurants, meeting rooms and the like.
Description
Technical field
The present invention relates to a kind of novel mechanical mechanism and drive the expandable type round table, belong to Machine Design and manufacturing technology field.
Background technology
At present, in the such populous nation of China, the top priority of improving the human settlement is to create more freely spaces of activity in limited space for people, along with society is growing, modern society's living space intensification of contradictions, innovation aspect space utilization is one of effective way that solves this class problem.Such as at home, we dream of that many furniture can Free Transform, just become large while wanting to become large, just diminish while wanting to diminish, and operation use upper too not loaded down with trivial details, a simple action or by a button, just can complete all.The product that in the market square table is carried out convergent-divergent has many, although be not easily on using, cumbersome when launching and stacking, product type or many.With regard to round table,, due to the particularity of its tabletop shape, limited the variation of desktop, do not have square table many although can change in the market the product kind of its size of desktop, also have many.But its common characteristics of all these deformable round tables are, launch and fold all pretty troublesome, need manual being dismounted for multiple times, the aspects such as flexibility in security, reliability, operation in use have problems, often the dismounting connector is easy to bad, so general family all is reluctant to buy this class and seems changeable-shaped table easily, also have the problem of a maximum to be, round table is difficult to guarantee before and after the distortion splicing be all circle, from angle attractive in appearance, people also are reluctant to buy this series products, and this problem has also limited the development and application of round table class changeable-shaped furniture.
Summary of the invention
The invention provides a kind of novel mechanical mechanism and drive the expandable type round table
Main technical content of the present invention is as follows:
a kind of novel mechanical mechanism drives the expandable type round table, comprise base, desktop and three-dimensional linkage mechanism, described desktop is comprised of deformable desktop and girth sheets, described deformable desktop segmenting becomes 13, and wherein, middle one is star plate, peripheral 12 are divided into 6 fanning strips and 6 blocks of flechette-type plates, and they are spaced respectively, and described girth sheets below the deformable desktop, plays certain supporting role, described three-dimensional linkage mechanism comprises that 3 axle sleeves, 12 connecting rods, 12 cover line slideway auxiliaries, 12 mounting brackets, 1 fixed crank dish, 1 central shaft form, described 3 axle sleeves, the fixed crank dish is fixedly mounted on central shaft, described 3 axle sleeves are divided into the upper strata axle sleeve, the middle level axle sleeve, lower floor's axle sleeve, the top of described upper strata axle sleeve is discoid, be used for installing star plate, described 12 mounting brackets are divided into 6 upper strata mounting brackets and 6 lower floor's mounting brackets, described 6 upper strata mounting brackets are connected on the position that becomes each other 60 degree angles with the middle level axle sleeve, described 6 lower floor's mounting brackets are connected on the position that becomes each other 60 degree angles with the lower floor axle sleeve, the guide rail of described 12 cover line slideway auxiliaries is arranged on respectively on 12 mounting brackets, one end of described 12 connecting rods is hinged with the slide block of line slideway auxiliary respectively, the other end and fixed crank dish are hinged, described 6 fanning strips and 6 blocks of flechette-type plates are arranged on respectively on the slide block of line slideway auxiliary.
Above-mentioned girth sheets arranges lowering or hoisting gear, described lowering or hoisting gear is 6 cover space groove cam mechanisms, described space groove cam mechanism comprises wheel and cam path parts, described wheel is evenly distributed on the inner ring of girth sheets, and described cam path parts are fixedly mounted on respectively the end of 6 upper strata mounting brackets or 6 lower floor's mounting brackets.
Be provided with 1 locking device in any cover in above-mentioned 6 cover space groove cam mechanisms, be used for controlling the stable of girth sheets lifting.
The middle part of above-mentioned upper strata axle sleeve is uniform 3 mounting holes along the circumferential direction, the bottom of described upper strata axle sleeve is the first axial shift fork, the first fork slot is offered corresponding to the first axial shift fork position of upper strata axle sleeve in the top of described middle level axle sleeve, the middle part of described middle level axle sleeve arranges the first space cam groove, and the bottom of described middle level axle sleeve is that the second axial axis is to shift fork; The second fork slot is offered corresponding to the second shift fork position of middle axle sleeve in the top of described lower floor axle sleeve, and the middle part of described lower floor axle sleeve arranges the second space cam path.
5 back shafts are set on above-mentioned central shaft, 33 mounting holes that lay respectively at the upper strata axle sleeve, 1 the first space cam groove that is arranged in the middle level axle sleeve, 1 second space cam path that is arranged in lower floor's axle sleeve, described 5 back shafts all arrange roller, and the roller contact of described the first space cam groove, second space cam path and back shaft also supports.
By technique scheme, the present invention has following advantages at least: the present invention can launch the desktop of round table and shrink by the design of three-dimensional linkage mechanism, the present invention that main is exactly can with according to demand, can be used in the distortion of desk of any size, and the present invention also designed the special axle sleeve of the fork type with the space cam groove, makes round table convenient when being out of shape.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is three-dimensional structure diagram of the present invention;
Fig. 2 is the fanning strip schematic diagram in the deformable desktop;
Fig. 3 is the flechette-type plate schematic diagram in the deformable desktop;
Fig. 4 is the star plate schematic diagram in the deformable desktop;
Schematic diagram when Fig. 5 is the expansion of deformable desktop;
Schematic diagram when Fig. 6 is the contraction of deformable desktop;
Fig. 7 is the structural representation of three-dimensional linkage mechanism;
Fig. 8 is mounting bracket positional structure schematic diagram;
Fig. 9 is the axle sleeve structure schematic diagram;
Figure 10 is girth sheets lifting device structure schematic diagram;
Figure 11 is the structural representation of space groove cam mechanism;
Figure 12 is upper strata axle sleeve structure schematic diagram;
Figure 13 is middle level axle sleeve structure schematic diagram;
Figure 14 is lower floor's axle sleeve structure schematic diagram;
Figure 15 is back shaft positional structure schematic diagram.
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment, structure, feature and effect thereof to foundation the present invention proposes, be described in detail as follows.
as Fig. 1, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, a kind of novel mechanical mechanism drives the expandable type round table, comprise base 1, desktop and three-dimensional linkage mechanism, desktop is comprised of deformable desktop and girth sheets 5, the deformable desktop segmenting becomes 13, wherein, middle one be star plate 2(as shown in Figure 4), peripheral 12 are divided into 3 and 6 flechette-type plate 4(of 6 fanning strips (as shown in Figure 2) as shown in Figure 3), and they are spaced respectively, girth sheets 5 below the deformable desktop, plays certain supporting role, three-dimensional linkage mechanism comprises that 3 axle sleeves, 12 connecting rods 6,12 cover line slideway auxiliaries 7,12 mounting brackets 8,1 fixed crank dish 9,1 central shaft 10 form, 3 axle sleeves, fixed crank dish 9 is fixedly mounted on central shaft 10, 3 axle sleeves are divided into upper strata axle sleeve 11, middle level axle sleeve 12, lower floor's axle sleeve 13, the top of upper strata axle sleeve 11 is discoid, be used for installing star plate 2, 12 mounting brackets are divided into 6 upper strata mounting brackets 81 and 6 lower floor's mounting brackets 82, 6 upper strata mounting brackets 81 are connected on the position that becomes each other 60 degree angles with middle level axle sleeve 12, 6 lower floor's mounting brackets 82 are connected on the position that becomes each other 60 degree angles with lower floor axle sleeve 13, the guide rail 71 of 12 cover line slideway auxiliaries 7 is arranged on respectively on 12 mounting brackets, one end of 12 connecting rods 6 is hinged with the slide block 72 of line slideway auxiliary 7 respectively, the other end and fixed crank dish 9 are hinged, 6 fanning strips 3 and 6 blocks of flechette-type plates 4 are arranged on respectively on the slide block 72 of line slideway auxiliary 7.
As shown in Figure 10, Figure 11, girth sheets arranges lowering or hoisting gear, lowering or hoisting gear is 6 cover space groove cam mechanisms 14, the space groove cam mechanism comprises wheel 16 and cam path parts 15, wheel 16 is evenly distributed on the inner ring of girth sheets 5, and cam path parts 15 are fixedly mounted on respectively the end of 6 upper strata mounting brackets 81 or 6 lower floor's mounting brackets 82.
As shown in figure 11, be provided with 1 locking device 17 in any cover in 6 cover space groove cam mechanisms 14, be used for controlling the stable of girth sheets lifting.
As Figure 12, Figure 13, shown in Figure 14, the middle part of upper strata axle sleeve 11 is uniform 3 mounting holes 18 along the circumferential direction, the bottom of upper strata axle sleeve 11 is the first axial shift fork 19, the first fork slot 20 is offered corresponding to the first axial shift fork 19 positions of upper strata axle sleeve in the top of middle level axle sleeve 12, the middle part of middle level axle sleeve 12 arranges the first space cam groove 21, and the bottom of middle level axle sleeve 12 is the second axial shift fork 22; The second fork slot 23 is offered corresponding to the second axial shift fork 22 positions of middle axle sleeve in the top of lower floor's axle sleeve 13, and the middle part of lower floor's axle sleeve 13 arranges second space cam path 24.
As Fig. 9, shown in Figure 15,5 back shafts 25 are set on central shaft 10,33 mounting holes 18 that lay respectively at the upper strata axle sleeve, 1 the first space cam groove 21 that is arranged in the middle level axle sleeve, 1 second space cam path 24 that is arranged in lower floor's axle sleeve, 5 back shafts all arrange roller 26, the first space cam grooves 21, second space cam path 24 contacts and supports with the roller 26 of back shaft 25.
During operation, when desktop dwindles, desktop is a sub-circular (as shown in Figure 6) that is spliced by 6 fanning strips 3, and 6 blocks of flechette-type plates 4 are contracted between the star plate 2 of desktop and centre simultaneously, simultaneously, girth sheets 5 rotations are risen, and fill up the not round profile of panel, make small table surface revert to complete circle.When rotary desktop, star plate 2 and flechette-type plate 4, fanning strip 3 with rotational speed the time, make 6 blocks of flechette-type plates 4 and 6 fanning strips 3 realize radial and axial movement, are a smooth desktop (as shown in Figure 5) all the time after realizing launching and packing up.
The three-dimensional linkage mechanism principle:
12 slide blocks are connected with 12 desktops in top layer and middle level respectively, fixed crank dish 9 is fixed on the central shaft 10 of base 1, the Sports band movable slider 72 of table tangential direction moves, the swing of drivening rod 6 again, rotate thereby drive fixed crank dish 9, fixed crank dish 9 along the circumferential direction is uniformly distributed by three 3 bolsters 25 that are arranged in upper strata axle sleeve 11 that are contained on central shaft 10 and is secured on central shaft 10.bolster 25 in 3 upper strata axle sleeves 11 links together by screw thread and central shaft 10, fixed crank dish 9 rotates like this, driving central shaft 10 rotates, central shaft 10 rotation drives are arranged on central shaft 10 belows and are arranged in roller 26 rollings of 2 bolster 25 1 ends of middle level axle sleeve 12 and lower floor's axle sleeve 13, two rollers 26 roll respectively in the space cam groove of middle level axle sleeve 12 and lower floor's axle sleeve 13, realize the elevating movement of desktop, realized the synchronous rotation of tridecyne plate by such device, 12 blocks of plates radially shrink and the three dimensions interlock of synchronization lifting up and down.
the above, it is only preferred embodiment of the present invention, not the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a novel mechanical mechanism drives the expandable type round table, comprise base, desktop and three-dimensional linkage mechanism, described desktop is comprised of deformable desktop and girth sheets, described deformable desktop segmenting becomes 13, and wherein, middle one is star plate, peripheral 12 are divided into 6 fanning strips and 6 blocks of flechette-type plates, and they are spaced respectively, and described girth sheets below the deformable desktop, plays certain supporting role, it is characterized in that: described three-dimensional linkage mechanism comprises that 3 axle sleeves, 12 connecting rods, 12 cover line slideway auxiliaries, 12 mounting brackets, 1 fixed crank dish, 1 central shaft form, described 3 axle sleeves, the fixed crank dish is fixedly mounted on central shaft, described 3 axle sleeves are divided into the upper strata axle sleeve, the middle level axle sleeve, lower floor's axle sleeve, the top of described upper strata axle sleeve is discoid, be used for installing star plate, described 12 mounting brackets are divided into 6 upper strata mounting brackets and 6 lower floor's mounting brackets, described 6 upper strata mounting brackets are connected on the position that becomes each other 60 degree angles with the middle level axle sleeve, described 6 lower floor's mounting brackets are connected on the position that becomes each other 60 degree angles with the lower floor axle sleeve, the guide rail of described 12 cover line slideway auxiliaries is arranged on respectively on 12 mounting brackets, one end of described 12 connecting rods is hinged with the slide block of line slideway auxiliary respectively, the other end and fixed crank dish are hinged, described 6 fanning strips and 6 blocks of flechette-type plates are arranged on respectively on the slide block of line slideway auxiliary.
2. a kind of novel mechanical according to claim 1 mechanism drives the expandable type round table, it is characterized in that: described girth sheets arranges lowering or hoisting gear, described lowering or hoisting gear is 6 cover space groove cam mechanisms, described space groove cam mechanism comprises wheel and cam path parts, described wheel is evenly distributed on the inner ring of girth sheets, and described cam path parts are fixedly mounted on respectively the end of 6 upper strata mounting brackets or 6 lower floor's mounting brackets.
3. a kind of novel mechanical according to claim 2 mechanism drives the expandable type round table, it is characterized in that: be provided with 1 locking device in any cover in described 6 cover space groove cam mechanisms, be used for controlling the stable of girth sheets lifting.
4. a kind of novel mechanical according to claim 1 mechanism drives the expandable type round table, it is characterized in that: the middle part of described upper strata axle sleeve is uniform 3 mounting holes along the circumferential direction, the bottom of described upper strata axle sleeve is the first axial shift fork, the first fork slot is offered corresponding to the first axial shift fork position of upper strata axle sleeve in the top of described middle level axle sleeve, the middle part of described middle level axle sleeve arranges the first space cam groove, and the bottom of described middle level axle sleeve is the second axial shift fork; The second fork slot is offered corresponding to the second axial shift fork position of middle axle sleeve in the top of described lower floor axle sleeve, and the middle part of described lower floor axle sleeve arranges the second space cam path.
5. a kind of novel mechanical according to claim 4 mechanism drives the expandable type round table, it is characterized in that: 5 back shafts are set on described central shaft, 33 mounting holes that lay respectively at the upper strata axle sleeve, 1 the first space cam groove that is arranged in the middle level axle sleeve, 1 second space cam path that is arranged in lower floor's axle sleeve, described 5 back shafts all arrange roller, and the roller contact of described the first space cam groove, second space cam path and back shaft also supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168505XA CN102669936B (en) | 2012-05-25 | 2012-05-25 | Novel extensible type round table driven by mechanical mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168505XA CN102669936B (en) | 2012-05-25 | 2012-05-25 | Novel extensible type round table driven by mechanical mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102669936A CN102669936A (en) | 2012-09-19 |
| CN102669936B true CN102669936B (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210168505XA Expired - Fee Related CN102669936B (en) | 2012-05-25 | 2012-05-25 | Novel extensible type round table driven by mechanical mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102669936B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708129B (en) * | 2016-03-30 | 2017-11-24 | 江苏建筑职业技术学院 | The convertible round table of Desktop Dimensions |
| CN105768542B (en) * | 2016-04-28 | 2018-02-09 | 陕西科技大学 | A kind of table tool of size variable type |
| CN105996432B (en) * | 2016-06-20 | 2018-08-24 | 太原科技大学 | A kind of desk that desktop can zoom in or out |
| CN106175077B (en) * | 2016-07-15 | 2018-09-28 | 衢州学院 | Rotation transformation table |
| CN106360962B (en) * | 2016-09-19 | 2018-12-04 | 陕西科技大学 | Based on monolithic processor controlled automatic telescopic table |
| CN108720272A (en) * | 2017-04-21 | 2018-11-02 | 杭州思文科科技有限公司 | Diameter adjustable furniture |
| CN107028351B (en) * | 2017-06-06 | 2023-01-10 | 唐天高 | Diameter-variable round table with rotary table |
| CN107752397A (en) * | 2017-11-22 | 2018-03-06 | 董琦 | Changeable table |
| CN108903304B (en) * | 2018-04-13 | 2021-10-22 | 杭州臻煦智能家居有限公司 | Dining table with size of table top capable of being changed by rotating |
| CN108741633A (en) * | 2018-04-27 | 2018-11-06 | 贵州凌达风电器制造有限公司 | A kind of expansion desktop |
| CN109222432B (en) * | 2018-10-11 | 2023-12-22 | 无锡德仕邦家具有限公司 | Multipurpose dining table |
| CN109674221B (en) * | 2019-01-23 | 2021-04-23 | 浙江大清翰林古典艺术家具有限公司 | Padauk tea table |
| CN111706659B (en) * | 2020-06-30 | 2022-05-31 | 惠州市金力变速实业发展有限公司 | Worm and worm wheel and planet wheel combined type driving rotary lifting structure |
| CN112315200B (en) * | 2020-11-05 | 2021-08-27 | 贵州工程应用技术学院 | Power-assisted table based on electric power-assisted rotation and adjustment |
| CN114128984B (en) * | 2021-11-12 | 2023-01-06 | 中南林业科技大学 | Sharing rotary office table |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2265299A2 (en) * | 1971-04-22 | 1975-10-24 | Point Jack | Variable size round table - top raised first, extension levers actuated to increase size |
| US5237937A (en) * | 1992-03-26 | 1993-08-24 | Jacques Peltier | Expansible table |
| US5924664A (en) * | 1997-03-12 | 1999-07-20 | Ergo View Technologies Corp. | Keyboard support mechanism |
| DE20311144U1 (en) * | 2003-07-18 | 2003-10-23 | Schulz Andreas | Extendable table has extendable sections with deployable infill panels to maintain round shape of table top when extended |
| CN102038362A (en) * | 2009-10-23 | 2011-05-04 | 达艺家具有限公司 | Expandable desk |
-
2012
- 2012-05-25 CN CN201210168505XA patent/CN102669936B/en not_active Expired - Fee Related
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| CN102669936A (en) | 2012-09-19 |
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Granted publication date: 20131120 Termination date: 20200525 |
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