CN105768542A - Dimension-transformable table - Google Patents
Dimension-transformable table Download PDFInfo
- Publication number
- CN105768542A CN105768542A CN201610279873.XA CN201610279873A CN105768542A CN 105768542 A CN105768542 A CN 105768542A CN 201610279873 A CN201610279873 A CN 201610279873A CN 105768542 A CN105768542 A CN 105768542A
- Authority
- CN
- China
- Prior art keywords
- cylindrical cam
- desktop
- cam
- screw mandrel
- sliding block
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/081—Movable, extending, sliding table tops
Landscapes
- Combinations Of Kitchen Furniture (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention discloses a dimension-transformable table, comprising a baseplate, wherein a double-layer cylindrical cam is mounted above the baseplate, a central upright column is mounted in the double-layer cylindrical cam in a sleeved manner, a central tabletop is mounted at the top of the central upright column, four smaller tabletops and four sectorial tabletops are arranged on the central tabletop in turns, the double-layer cylindrical cam consists of an upper-layer cylindrical cam and a lower-layer cylindrical cam, the diameter of the upper-layer cylindrical cam is smaller than that of the lower-layer cylindrical cam, the smaller tabletops can move up and down through the cooperation of an upper-layer cam ejector rod and an upper-layer needle bearing of the upper-layer cylindrical cam, and the central tabletop can move up and down through the cooperation of a lower-layer cam ejector rod and a lower-layer needle bearing of the lower-layer cylindrical cam. According to the dimension-transformable table disclosed by the invention, transformation of tabletop dimension is realized by means of a mechanical structure only, up-and-down movement and fold-and-unfold movement of table panels are finally realized by means of the movement of a series of mechanical mechanisms, so that the dimension-transformable characteristic of the table is realized; and the dimension-transformable table has the characteristics of high precision, compact structure, economy and convenience, and has a broad prospect for experiments and application.
Description
[technical field]
The present invention relates to a kind of table tool, belong to machinery manufacturing technology field, the table particularly to a kind of size variable type has.
[background technology]
The invention of desk, is the clever again technological contributions of one greatness in ancient times, and it has very important status in the development and progress history of the mankind, and the appearance of desk not only improves the quality of the life of the mankind, has been also convenient for life.Common are outside rectangular table, strip table, square table, round table, short-legged table, also have version square table, version round table, crescent moon table etc..It addition, also have some to only have the table of special purpose to have, such as pedestal table, qin table, chess and card table, wine table etc..But the less thought adding Human Engineering in the design of modern table tool, the Appropriate application in less emphasis space, often do not possess the feature combined of practicality and comfortableness.
[summary of the invention]
In order to overcome above-mentioned the deficiencies in the prior art, it is an object of the invention to propose the table tool of a kind of size variable type, it is possible to utilize rational frame for movement accurately to control, there is practicality, compact conformation, economy feature easily.
To achieve these goals, the technical solution used in the present invention is:
A kind of table tool of size variable type, including base plate, base plate at least three table leg mounted below, base plate double-deck cylindrical cam installed above, suit gin pole in double-deck cylindrical cam, central authorities' desktop is installed at the top of gin pole, and central authorities' desktop sets gradually four small table surfaces and four fan-shaped desktops;Double-deck cylindrical cam is made up of upper and lower two cylindrical cams, and the diameter of upper strata cylindrical cam is less than lower floor's cylindrical cam;Upper strata cylindrical cam realizes the up and down motion of small table surface by the cooperation of upper strata cam follower and upper strata needle bearing;Lower floor's cylindrical cam is by the up and down motion coordinating realization central authorities desktop of lower cam push rod and lower floor's needle bearing.
The present invention is further improved by:
Described base plate and table leg are fixed by punching, and base plate is connected by the first holding screw is fixing with double-deck cylindrical cam.
Described gin pole is placed in double-deck step through-hole within cylindrical cam, and is connected by the second holding screw is fixing with central desktop, central authorities' desktop has two slots and is connected with overhead cam push rod.
The top of described upper strata cylindrical cam is provided with upper slide, and the both sides, top of lower floor's cylindrical cam arrange lower skateboard;The bottom of upper slide arranges top shoe, and the bottom of lower skateboard arranges sliding block;Base plate is provided with slip strut;
The two ends of slip strut all offer screwed hole, one screwed hole of the lower end traverse slip strut of the first screw mandrel, and pass downwards base plate, fixed by hex bolts, the upper end of the first screw mandrel sequentially passes through lower skateboard, top shoe, upper slide, central authorities' desktop and small table surface, top screws in the silk hole offered on fan-shaped desktop, is connected with small table surface by sliding block;
The lower end of the second screw mandrel is through another screwed hole of slip strut, and upper end sequentially passes through sliding block, lower skateboard, top shoe, upper slide and central authorities' desktop, and top screws in the silk hole offered on small table surface;
The lower end of the 3rd screw mandrel screws in the silk hole offered on sliding block, and upper end sequentially passes through lower skateboard, top shoe and upper slide, and top screws in the silk hole offered on small table surface, is connected with small table surface by sliding block;
The lower end of the 4th screw mandrel screws in the silk hole offered on top shoe, and upper end sequentially passes through upper slide, central authorities' desktop and small table surface, and top screws in the silk hole offered on fan-shaped desktop.
Described second screw mandrel runs through the silk hole on sliding block and the single pulley groove on upper slide is connected with small table surface;Upper slide is fixed by keyway and overhead cam push rod, then passes through needle bearing and is connected with upper strata cylindrical cam;Lower skateboard is fixed by keyway and lower cam follower, is so connected with lower floor cylindrical cam by lower needle bearing.
Described lower skateboard has four three symmetrical pulley grooves and four symmetrical single-sheaved block grooves, three pulley grooves are installed with three pulleys, and be connected with sliding block by screw, sliding block has two silk holes, the second screw mandrel and the 3rd screw mandrel and is passed by the two silk hole respectively.
Described lower skateboard and 45 ° of upper slide interval are arranged symmetrically with.
Compared with prior art, the method have the advantages that
The present invention utilizes purely mechanic structure to achieve the modification of Desktop Dimensions, cylindrical cam push rod is passed motion to by rotating clockwise or counter-clockwise the mode of slide plate, the latter again through cylindrical cam change motion after again by motor feedback to slide plate, finally motion pass to desktop support part makes desktop rise or decline;Meanwhile, motion is also passed to slip strut, and slip strut promotes the motion of slide block to pass to desktop, it is achieved the contraction of desktop and extension.This tool finally realizes the up and down motion of desk panel by a series of mechanical movements, and shrinks and extension movement, thus embodying the variable dimension characteristic of desk, having precision height, compact conformation, economy feature easily, having wide test application prospect.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of upper slide of the present invention;
Fig. 3 is the desktop expanded view of the present invention;
Fig. 4 is the cylindrical cam figure of the present invention;
Fig. 5 is the slip strut figure of the present invention;
The slide block that Fig. 6 is the present invention coordinates figure with pulley.
Wherein: 1-sector desktop;2-the 5th screw mandrel;3-screw;4-table leg;5-hex bolts;6-the second screw mandrel;7-slip strut;8-sliding block;9-pulley;10-lower skateboard;11-the 3rd screw mandrel;12-upper slide;13-central authorities desktop;14-small table surface;15-the first screw mandrel;16-the second holding screw;17-gin pole;18-bilayer cylindrical cam;19-overhead cam push rod;The upper needle bearing of 20-;Cam follower under 21-;22-base plate;23-nut;24-the first holding screw;25-top shoe;26-the 4th screw mandrel;Needle bearing under 27-.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the present invention is described in further detail:
nullReferring to Fig. 1,The present invention includes four symmetrical table legs 4,Base plate 22 and table leg 4 are fixed by punching,Base plate 22 is fixed together by the first holding screw 24 with double-deck cylindrical cam 18,One end of eight slip struts 7 is connected by eight symmetrical hex bolts 5 with base plate 22,The other end of slip strut 7 connects the second screw mandrel 6,Second screw mandrel 6 runs through the silk hole on sliding block 8 and the single pulley groove on upper slide 12 is connected with small table surface 14,Lower skateboard 10 is fixed with lower cam follower 21 by keyway,Then pass through lower needle bearing 27 to be connected with double-deck cylindrical cam 18,Lower skateboard 10 has four three symmetrical pulley grooves and four symmetrical single-sheaved block grooves,Three pulleys 9 are stuck in three pulley grooves,It is connected with sliding block 8 by screw 3,Sliding block 8 has two silk holes,One silk hole is by running through the second screw mandrel 6,Another hole connects the 3rd screw mandrel 11 and sliding block 8 and small table surface 14 is coupled together;In like manner, fan-shaped desktop 1 also has two silk holes, is connected with top shoe 25 with the 4th screw mandrel 26 by the first screw mandrel 15.Upper slide 12 is fixed with overhead cam push rod 19 by keyway, then passes through needle bearing 20 and is connected with double-deck cylindrical cam 18, upper slide 12 has the keyway same with lower skateboard 10, and lower skateboard 10 and upper slide 12 are coupled together by the 5th screw mandrel 2.Double-deck cylindrical cam 18 is internal has a step through-hole for laying gin pole 17, and gin pole 17 is connected with central desktop 13 by the second holding screw 16, has two slots simultaneously and be connected with overhead cam push rod 19 on central authorities' desktop.
The operation principle of the present invention is:
When carrying out Desktop Dimensions change, by rotating clockwise or counter-clockwise lower skateboard 10 and upper slide 12, motion is flowed to double-deck cylindrical cam 18 and overhead cam push rod 19, lower cam follower 21 by lower skateboard 10 and upper slide 12, change motion by motor feedback to slide plate 10 and slide plate 12 by double-deck cylindrical cam 18, finally pass motion to fan-shaped desktop 1 and small table surface 14 realizes rising or declining;Meanwhile, motion passes to slip strut 7 also by lower skateboard 10 and upper slide 12, slip strut 7 promotes sliding block 8 to translate along chute, realize contraction and the extension of fan-shaped desktop 1 and small table surface 14, final embodiment is exactly the up and down motion of desk panel, and shrink and extension movement, thus embodying the variable dimension characteristic of desk.
Above content is only the technological thought that the present invention is described, it is impossible to limits protection scope of the present invention, every technological thought proposed according to the present invention, any change done on technical scheme basis with this, each falls within the protection domain of claims of the present invention.
Claims (7)
1. a multi-functional change size table tool, it is characterized in that, including base plate (22), base plate (22) at least three table leg (4) mounted below, base plate (22) double-deck cylindrical cam (18) installed above, suit gin pole (17) in double-deck cylindrical cam (18), central authorities' desktop (13) are installed at the top of gin pole (17), and central authorities' desktop (13) set gradually four small table surfaces (14) and four fan-shaped desktops (1);Double-deck cylindrical cam (18) is made up of upper and lower two cylindrical cams, and the diameter of upper strata cylindrical cam is less than lower floor's cylindrical cam;Upper strata cylindrical cam realizes the up and down motion of small table surface (14) by the cooperation of upper strata cam follower (19) and upper strata needle bearing (20);Lower floor's cylindrical cam realizes the up and down motion of central authorities' desktop (13) by the cooperation of lower cam push rod (21) and lower floor's needle bearing (27).
2. multi-functional change size table according to claim 1 tool, it is characterized in that, described base plate (22) and table leg (4) are fixed by punching, and base plate (22) is connected by the first holding screw (24) is fixing with double-deck cylindrical cam (18).
3. multi-functional change size table according to claim 1 and 2 tool, it is characterized in that, described gin pole (17) is placed in the step through-hole that double-deck cylindrical cam (18) is internal, and be connected by the second holding screw (16) is fixing with central authorities' desktop (13), central authorities' desktop (13) have two slots and is connected with overhead cam push rod (19).
4. multi-functional change size table according to claim 1 and 2 tool, it is characterised in that the top of described upper strata cylindrical cam is provided with upper slide (12), and the both sides, top of lower floor's cylindrical cam arrange lower skateboard (10);The bottom of upper slide (12) arranges top shoe (25), and the bottom of lower skateboard (10) arranges sliding block (8);Base plate (22) is provided with slip strut (7);
The two ends of slip strut (7) all offer screwed hole, one screwed hole of lower end traverse slip strut (7) of the first screw mandrel (15), and pass downwards base plate (22), fixed by hex bolts (5), the upper end of the first screw mandrel (15) sequentially passes through lower skateboard (10), top shoe (25), upper slide (12), central authorities' desktop (13) and small table surface (14), top screws in the silk hole offered on fan-shaped desktop (1), is connected with small table surface (14) by sliding block (25);
Another screwed hole of lower end traverse slip strut (7) of the second screw mandrel (6), upper end sequentially passes through sliding block (8), lower skateboard (10), top shoe (25), upper slide (12) and central authorities' desktop (13), and top screws in the silk hole offered on small table surface (14);
The lower end of the 3rd screw mandrel (11) screws in the silk hole offered on sliding block (8), upper end sequentially passes through lower skateboard (10), top shoe (25) and upper slide (12), top screws in the silk hole offered on small table surface (14), is connected with small table surface (14) by sliding block (8);
The lower end of the 4th screw mandrel (26) screws in the silk hole offered on top shoe (25), upper end sequentially passes through upper slide (12), central authorities' desktop (13) and small table surface (14), and top screws in the silk hole offered on fan-shaped desktop (1).
5. multi-functional change size table according to claim 4 tool, it is characterized in that, described second screw mandrel (6) runs through the silk hole on sliding block (8) and the single pulley groove on upper slide (12) is connected with small table surface (14);Upper slide (12) is fixed with overhead cam push rod (19) by keyway, then passes through needle bearing (20) and is connected with upper strata cylindrical cam;Lower skateboard (10) is fixed by keyway and lower cam follower (21), is so connected with lower floor cylindrical cam by lower needle bearing (27).
6. multi-functional change size table according to claim 4 tool, it is characterized in that, described lower skateboard (10) has four three symmetrical pulley grooves and four symmetrical single-sheaved block grooves, three pulley grooves are installed with three pulleys (9), and be connected with sliding block (8) by screw (3), sliding block (8) has two silk holes, the second screw mandrel (6) and the 3rd screw mandrel (11) passed by the two silk hole respectively.
7. multi-functional change size table according to claim 4 tool, it is characterised in that described lower skateboard (10) and 45 ° of upper slide (12) interval are arranged symmetrically with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610279873.XA CN105768542B (en) | 2016-04-28 | 2016-04-28 | A kind of table tool of size variable type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610279873.XA CN105768542B (en) | 2016-04-28 | 2016-04-28 | A kind of table tool of size variable type |
Publications (2)
Publication Number | Publication Date |
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CN105768542A true CN105768542A (en) | 2016-07-20 |
CN105768542B CN105768542B (en) | 2018-02-09 |
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CN201610279873.XA Active CN105768542B (en) | 2016-04-28 | 2016-04-28 | A kind of table tool of size variable type |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106360962A (en) * | 2016-09-19 | 2017-02-01 | 陕西科技大学 | Single chip microcomputer-based automatic telescopic table |
CN107048726A (en) * | 2017-03-28 | 2017-08-18 | 张坤龙 | A kind of new windlass type rotary folding dining table |
Citations (6)
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GB2396552A (en) * | 2002-12-24 | 2004-06-30 | David Boardman Fletcher | Expanding table |
WO2004089158A1 (en) * | 2003-04-01 | 2004-10-21 | Century Furniture, Llc | Expandable table |
CN202286896U (en) * | 2011-11-01 | 2012-07-04 | 徐晓龙 | Telescopic round table |
CN102669936A (en) * | 2012-05-25 | 2012-09-19 | 河海大学常州校区 | Novel extensible type round table driven by mechanical mechanism |
CN202820133U (en) * | 2012-07-12 | 2013-03-27 | 东莞市豪满庭家具有限公司 | Table with size-adjustable table top |
CN205849046U (en) * | 2016-04-28 | 2017-01-04 | 陕西科技大学 | A kind of multi-functional change size table tool |
-
2016
- 2016-04-28 CN CN201610279873.XA patent/CN105768542B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2396552A (en) * | 2002-12-24 | 2004-06-30 | David Boardman Fletcher | Expanding table |
WO2004089158A1 (en) * | 2003-04-01 | 2004-10-21 | Century Furniture, Llc | Expandable table |
CN202286896U (en) * | 2011-11-01 | 2012-07-04 | 徐晓龙 | Telescopic round table |
CN102669936A (en) * | 2012-05-25 | 2012-09-19 | 河海大学常州校区 | Novel extensible type round table driven by mechanical mechanism |
CN202820133U (en) * | 2012-07-12 | 2013-03-27 | 东莞市豪满庭家具有限公司 | Table with size-adjustable table top |
CN205849046U (en) * | 2016-04-28 | 2017-01-04 | 陕西科技大学 | A kind of multi-functional change size table tool |
Non-Patent Citations (1)
Title |
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赵嘉宇等: ""一人转旋转可变桌"的创新设计", 《机械工程与自动化》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106360962A (en) * | 2016-09-19 | 2017-02-01 | 陕西科技大学 | Single chip microcomputer-based automatic telescopic table |
CN106360962B (en) * | 2016-09-19 | 2018-12-04 | 陕西科技大学 | Based on monolithic processor controlled automatic telescopic table |
CN107048726A (en) * | 2017-03-28 | 2017-08-18 | 张坤龙 | A kind of new windlass type rotary folding dining table |
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Publication number | Publication date |
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CN105768542B (en) | 2018-02-09 |
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