CN104188343A - Mechanical drive telescopic table - Google Patents
Mechanical drive telescopic table Download PDFInfo
- Publication number
- CN104188343A CN104188343A CN201410433624.2A CN201410433624A CN104188343A CN 104188343 A CN104188343 A CN 104188343A CN 201410433624 A CN201410433624 A CN 201410433624A CN 104188343 A CN104188343 A CN 104188343A
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- rotating disk
- desktop
- stop collar
- slide block
- rotating disc
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Abstract
The invention discloses a mechanical drive telescopic table. The mechanical drive telescopic table comprises a top layer table top, a middle layer table top, a bottom layer central table top, table legs, an upper layer rotating disc, a lower layer rotating disc, a fixed chassis, a plurality of slider-crank mechanisms and two end face cam mechanisms. The upper layer rotating disc, the lower layer rotating disc and the fixed chassis are sequentially arranged from top to bottom, and the fixed chassis is fixed to the table legs; the upper layer rotating disc and the lower layer rotating disc are provided with a plurality of guide rails respectively; each slider-crank mechanism comprises a sliding block and a connecting rod, the sliding blocks are installed on the guide rails, the sliding blocks installed on the upper layer rotating disc are connected with the top layer table top, the sliding blocks installed on the lower layer rotating disc are connected with the middle table top, one end of each connecting rod is hinged to the corresponding sliding block, and the other end of each connecting rod is hinged to the fixed chassis; the two end face cam mechanisms are provided with convex teeth located on the top end face, and through holes are formed in the upper layer rotating disc and the lower layer rotating disc and respectively correspond to the convex teeth of one end face cam mechanism. The mechanical drive telescopic table is stable in mechanical structure, reliable in operation and long in service life.
Description
Technical field
The present invention relates to a kind of desk, espespecially a kind of Mechanical Driven extension type desk, can be used as dining table, desk or conference table etc.
Background technology
Desk applies to the various places such as school, family, restaurant, meeting room widely, and the space availability ratio that improves desk is necessary.Known desk is made up of table pin and desktop simply, and after desk is made, the actual usable floor area of desktop is all changeless.The changeless desk space utilization rate of size of desktop is low, makes troubles: desk is too little to life, and people not to be squeezed; Desk is too large, takes up space again, therefore needs to improve.
For can be at limited space creation more free space, constantly someone attempts changing the structure of desk, makes desk can arbitrarily change size, improves space availability ratio.Prior art connects by loose-leaf, and turnover edge desktop changes table sizes, and the table structure of this flexible table top is simple, but enlargement ratio is limited, and seam crossing connects out-of-flatness.
And Mechanical Driven extension type desk is completed by pure machinery, simple in structure, safe and reliable.Can realize larger pantograph ratio by shirtsleeve operation.At present, also varied by the kind of mechanically operated extension type desk, the disclosed one of Chinese utility model patent notification number CN202286896U " flexible round table ", is typical Mechanical Driven extension type desk.This flexible round table is provided with three kinds of difform tables, and be provided with rotatory and extending device and rotary lifting mechanism, can realize in rotary manner the interior external extension of fan-shaped large plate and platelet by rotatory and extending device, can realize equally in rotary manner the lifting of platelet and central plate by rotary lifting mechanism, thereby can change size of desktop according to the requirement using, to adapt to the needs of different use occasions.But the rotatory and extending device of this flexible desk and rotary lifting mechanism all coordinate corresponding guide finger to realize by rail groove or radius groove, this pin easily damages with the pin that coordinates of groove, and service life is shorter.And for fluctuating orbit groove, because groove has gradient at vertical direction, anti-fall location structure need to be set, iff the downslide that prevents desktop by frictional force, reliability is not good.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of reliable, Mechanical Driven extension type desk that frame for movement is firm.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of Mechanical Driven extension type desk, comprises top layer desktop, middle level desktop, bottom center desktop, table leg, upper strata rotating disk, lower floor's rotating disk, fixed underpan, some slider-crank mechanisms and Liang Ge edge cam mechanism; This top layer desktop and middle level desktop are provided with the polylith that quantity is equal; This upper strata rotating disk, lower floor's rotating disk and fixed underpan set gradually from top to bottom, and this fixed underpan is fixed on table leg; On this upper and lower layer rotating disk, be respectively arranged with multiple guide rails; This slider-crank mechanism comprises slide block and connecting rod, and this slide block is slidably mounted on described guide rail, and the slide block being arranged on the rotating disk guide rail of upper strata is fixedly connected with top layer desktop, and the slide block being arranged on lower floor's rotating disk guide rail is fixedly connected with middle level desktop; One end of this connecting rod is hinged on slide block, and the other end is hinged on fixed underpan; Liang Ge edge cam mechanism is provided with the double wedge that is positioned at top end face, and this upper and lower layer rotating disk is provided with through hole, the double wedge of respectively corresponding one of them the edge cam mechanism of the through hole on two rotating disks.
Preferably, described Mechanical Driven extension type desk further comprises position-limit mechanism, this position-limit mechanism comprises stop collar urceolus, the stop collar inner core being connected with bottom center desktop being connected with upper strata rotating disk and is arranged on the newel that also passes stop collar urceolus and stop collar inner core on fixed underpan, this stop collar urceolus is provided with stopper slot, this stop collar inner core is provided with positive stop lug boss, and stop collar urceolus is nested together with stop collar inner core and this stopper slot coordinates with positive stop lug boss; Described lower floor's rotating disk is provided with spacing hole and is enclosed within on described newel.
Preferably, described bottom center desktop is fixed on fixed underpan.
Preferably, described connecting rod two ends are all provided with oscillating bearing, hinged with slide block and fixed underpan respectively by this oscillating bearing.
Preferably, between described guide rail and slide block, be connected by ball.
Preferably, the annular that described Liang Ge edge cam mechanism is nested inside and outside being, described double wedge is arranged on annular end face and along even circumferential and distributes, and be positioned at the large end face cam mechanism control upper strata rotating disk in outside and the lifting of top layer desktop, be positioned at the lifting of middle level desktop for the small end face cam mechanism control lower floor rotating disk of inner side.
Adopt after such scheme, the present invention is realized and is positioned at the top layer desktop in outside and stretching of middle level desktop by slider-crank mechanism, adopt the lifting of the above-mentioned two-layer desktop of edge cam winding machine, and being positioned at central bottom center's desktop does not move or only rotates, therefore whole mechanism is more reasonable firm, move more reliable, longer service life.
Brief description of the drawings
Assembling when Fig. 1 is desk closure of the present invention is always schemed;
Assembling when Fig. 2 is desk expansion of the present invention is always schemed;
Internal structural map when Fig. 3 is desk closure of the present invention;
Internal structural map when Fig. 4 is desk expansion of the present invention;
Fig. 5 is the structural map of internal end surface cam mechanism of the present invention;
Fig. 6 is the in-built upward view of the present invention;
Fig. 7 is the top view that the present invention removes desktop;
Fig. 8 is the structural map of position-limit mechanism of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Disclosed is a kind of Mechanical Driven extension type desk, as shown in Figures 1 to 8, is preferred embodiment of the present invention.Described desk comprises top layer desktop 1, middle level desktop 2, bottom center desktop 3, table leg 4, upper strata rotating disk 5, lower floor's rotating disk 6, fixed underpan 7, some slider-crank mechanisms 8 and Liang Ge edge cam mechanism 9.Wherein:
Described top layer desktop 1 and middle level desktop 2 are provided with the polylith that quantity is equal, and described bottom center desktop 3 can only arrange one.Described upper strata rotating disk 5, lower floor's rotating disk 6 and fixed underpan 7 set gradually from top to bottom, and this fixed underpan 7 is fixed on table leg 4, and described bottom center desktop 3 can be fixed on fixed underpan 7.On this upper strata rotating disk 5 and lower floor's rotating disk 6, be respectively arranged with multiple guide rails 51,61.
Described slider-crank mechanism 8 comprises slide block 81 and connecting rod 82, this slide block 81 is slidably mounted in the respective track 51,61 of upper strata rotating disk 5 or lower floor's rotating disk 6, and the slide block 81 being arranged on upper strata rotating disk 5 is fixedly connected with described top layer desktop 1, the slide block 81 being arranged on lower floor's rotating disk 6 is fixedly connected with described middle level desktop 2.One end of this connecting rod 82 is hinged on slide block 81, and the other end is hinged on described fixed underpan 7.Further, in order to make motion more smooth-going, described connecting rod 82 two ends all can be provided with oscillating bearing 83, hinged with slide block 81 and fixed underpan 7 respectively by this oscillating bearing 83.Between described guide rail 51,61 and slide block 81, can be connected by ball.Rotate upper and lower layer rotating disk 5,6, the slide block 81 on guide rail 51,61 outwards or inwardly slides under the drive of connecting rod 82 simultaneously, thereby can realize the outside stretching, extension of the corresponding top layer desktop 1 that is attached thereto or middle level desktop 2 or inwardly dwindle.
Described Liang Ge edge cam mechanism 9 is provided with the double wedge 91 that is positioned at top end face, the through hole that described upper strata rotating disk 5 and lower floor's rotating disk 6 are provided with on through hole 53(Tu Zhong lower floor rotating disk is covered), the double wedge 91 of respectively corresponding one of them the edge cam mechanism 9 of the through hole on two rotating disks.Rotate upper and lower rotating disk 5,6, in the time that the upper and lower layer through hole of rotating disk 5,6 is relative with the double wedge 91 of corresponding end-faces cam mechanism 9, upper and lower rotating disk declines double wedge 91 is entered in through hole, and then can drive corresponding desktop to decline; Rotate backward lower rotary table, the double wedge 91 of corresponding end-faces cam mechanism 9 leaves corresponding through hole, withstands on the bottom surface of upper strata or lower floor's rotating disk, thereby can be by desktop jack-up.Can realize like this rise and fall of desktop.Simplify the internal structure of an organization in order to save space, the annular being nested inside and outside described Liang Ge edge cam mechanism 9 can be arranged to, described double wedge 91 is arranged on annular end face and along even circumferential and distributes, and be positioned at the large end face cam mechanism control upper strata rotating disk 5 in outside and the lifting of top layer desktop 1, be positioned at the lifting of the small end face cam mechanism control lower floor rotating disk 6 use middle level desktops 2 of inner side.
In order to make three layers of desktop interlock more smooth and easy, realize the perfection laminating of three layers of desktop, position-limit mechanism can be set, this position-limit mechanism comprises stop collar urceolus 52, the stop collar inner core 31 being connected with bottom center desktop 3 being connected with upper strata rotating disk 5 and is arranged on the newel 71 with stop collar inner core 31 on fixed underpan 7 and through stop collar urceolus 52, this stop collar urceolus 52 is provided with stopper slot 521, this stop collar inner core 31 is provided with positive stop lug boss 311, and stop collar urceolus 52 is nested together with stop collar inner core 31 and this stopper slot 521 coordinates with positive stop lug boss 311.By coordinating of this stopper slot 521 and positive stop lug boss 311, can make stop collar urceolus 52 in the time of rotation and lifting, only drive the common rotation of stop collar inner core 31 and don't rise and fall thereupon, thereby it is constant in the simultaneous altitude of rotation to control bottom center desktop 3, realizes the perfection laminating of three layers of desktop.On described lower floor's rotating disk 6, spacing hole (in figure, this spacing hole is covered) can be set in addition, be enclosed within on described newel 71 by this spacing hole, thus can spacing lower floor rotating disk 6 move radially.
Course of action of the present invention is as follows:
When Fig. 1 is converted into Fig. 2, catch upper strata rotating disk 5 and lower floor's rotating disk 6 to be rotated counterclockwise certain angle simultaneously, upper strata rotating disk 5 is glided gradually, drive top layer desktop 1 to move downward; Lower floor's rotating disk 6 glides gradually, drives middle level desktop 2 to move downward, and is connected with bottom desktop 3, realizes the amplification of desktop.
When Fig. 2 is converted into Fig. 1, catch upper strata rotating disk 5 and lower floor's rotating disk 6 certain angle that turns clockwise simultaneously, make upper strata rotating disk 5 increase gradually, drive top layer desktop 1 to move upward; Lower floor's rotating disk 6 rises gradually, drives middle level desktop 2 to move upward, and bottom desktop 3 is highly constant, realizes dwindling of desktop.
When Fig. 3 is converted into Fig. 4, catch upper strata rotating disk 5 and lower floor's rotating disk 6 to be rotated counterclockwise certain angle simultaneously, crank connecting link 82 rotates counterclockwise under the drive of rotating disk 5,6, the slide block 81 hauling on guide rail 51,61 outwards slides, the top layer desktop 1 and the middle level desktop 2 that are connected with slide block 81 are outwards stretched, realize the amplification of desktop.
When Fig. 4 is converted into Fig. 3, catch upper strata rotating disk 5 and lower floor's rotating disk 6 certain angle that turns clockwise simultaneously, crank connecting link 82 clockwise rotates under the drive of rotating disk 5,6, the slide block 81 hauling on guide rail 51,61 slides inwards, the top layer desktop 1 and the middle level desktop 2 that are connected with slide block 81 are shunk inwards, realize dwindling of desktop.
Be illustrated in figure 8 position-limit mechanism, in the process of amplifying at desktop, the stop collar urceolus 52 being connected with upper strata rotating disk 5 is being followed upper strata rotating disk 5 and is being rotated counterclockwise certain angle, drive stop collar inner core 31 jointly to rotate by the stopper slot 521 on stop collar urceolus 52 and the positive stop lug boss 311 on stop collar inner core 31, make in rotary course, the bottom center desktop 3 being connected with stop collar inner core 31 is constant in the simultaneous altitude of rotation.
In like manner, in the process of dwindling at desktop, the stop collar urceolus 52 being connected with upper strata rotating disk 5 is being followed upper strata rotating disk 5 certain angle that turns clockwise, drive stop collar inner core 31 jointly to rotate by the stopper slot 521 on stop collar urceolus 52 and the positive stop lug boss 311 on stop collar inner core 31, make in rotary course, the bottom desktop 3 being connected with stop collar inner core 31 is constant in the simultaneous altitude of rotation.
The above, be only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus variation or the modification in every case done according to claim of the present invention and description, within all should belonging to the scope that patent of the present invention contains.
Claims (6)
1. a Mechanical Driven extension type desk, is characterized in that: comprise top layer desktop (1), middle level desktop (2), bottom center desktop (3), table leg (4), upper strata rotating disk (5), lower floor's rotating disk (6), fixed underpan (7), some slider-crank mechanisms (8) and Liang Ge edge cam mechanism (9); This top layer desktop and middle level desktop are provided with the polylith that quantity is equal; This upper strata rotating disk, lower floor's rotating disk and fixed underpan set gradually from top to bottom, and this fixed underpan is fixed on table leg; On this upper and lower layer rotating disk, be respectively arranged with multiple guide rails (51), (61); This slider-crank mechanism comprises slide block (81) and connecting rod (82), this slide block is slidably mounted on described guide rail (51), (61), and the slide block being arranged on the rotating disk guide rail of upper strata is fixedly connected with top layer desktop, the slide block being arranged on lower floor's rotating disk guide rail is fixedly connected with middle level desktop; One end of this connecting rod is hinged on slide block, and the other end is hinged on fixed underpan; Liang Ge edge cam mechanism is provided with the double wedge (91) that is positioned at top end face, and this upper and lower layer rotating disk is provided with through hole, the double wedge of respectively corresponding one of them the edge cam mechanism of the through hole on two rotating disks.
2. Mechanical Driven extension type desk according to claim 1, it is characterized in that: further comprise position-limit mechanism, this position-limit mechanism comprises the stop collar urceolus (52) being connected with upper strata rotating disk (5), the stop collar inner core (31) being connected with bottom center desktop (3) and be arranged on fixed underpan (7) and go up and pass the newel (71) of stop collar urceolus and stop collar inner core, this stop collar urceolus is provided with stopper slot (521), this stop collar inner core is provided with positive stop lug boss (311), stop collar urceolus is nested together with stop collar inner core and this stopper slot coordinates with positive stop lug boss, described lower floor's rotating disk (6) is provided with spacing hole and is enclosed within on described newel (71).
3. Mechanical Driven extension type desk according to claim 1, is characterized in that: described bottom center desktop is fixed on fixed underpan.
4. according to the Mechanical Driven extension type desk one of claim 1-3 Suo Shu, it is characterized in that: described connecting rod (82) two ends are all provided with oscillating bearing (83), hinged with slide block (81) and fixed underpan (7) respectively by this oscillating bearing.
5. according to the Mechanical Driven extension type desk one of claim 1-3 Suo Shu, it is characterized in that: between described guide rail and slide block, be connected by ball.
6. according to the Mechanical Driven extension type desk described in claim 2 or 3, it is characterized in that: the annular that described Liang Ge edge cam mechanism (9) is nested inside and outside being, described double wedge (91) is arranged on annular end face and along even circumferential and distributes, and be positioned at the large end face cam mechanism control upper strata rotating disk in outside and the lifting of top layer desktop, be positioned at the lifting of middle level desktop for the small end face cam mechanism control lower floor rotating disk of inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433624.2A CN104188343B (en) | 2014-08-29 | 2014-08-29 | Mechanical Driven telescoping desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433624.2A CN104188343B (en) | 2014-08-29 | 2014-08-29 | Mechanical Driven telescoping desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104188343A true CN104188343A (en) | 2014-12-10 |
| CN104188343B CN104188343B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410433624.2A Active CN104188343B (en) | 2014-08-29 | 2014-08-29 | Mechanical Driven telescoping desk |
Country Status (1)
| Country | Link |
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| CN (1) | CN104188343B (en) |
Cited By (9)
| 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 |
| CN106723944A (en) * | 2016-12-15 | 2017-05-31 | 彭树林 | The square table of expansible desktop |
| CN107752397A (en) * | 2017-11-22 | 2018-03-06 | 董琦 | Changeable table |
| CN108451160A (en) * | 2017-02-17 | 2018-08-28 | 杜月江 | A kind of Extensible table |
| CN108741616A (en) * | 2018-03-30 | 2018-11-06 | 广州大学 | A kind of variable area type square table |
| CN109077447A (en) * | 2018-09-25 | 2018-12-25 | 泰州机电高等职业技术学校(江苏联合职业技术学院泰州机电分院) | A kind of intelligence desk |
| CN109986683A (en) * | 2019-04-04 | 2019-07-09 | 中民筑友智能装备科技有限公司 | A kind of telescopic integral window frame mould |
| CN111671236A (en) * | 2020-06-30 | 2020-09-18 | 惠州市金力智能科技有限公司 | Rotary lifting mechanism of electric dining table |
| CN117531781A (en) * | 2024-01-09 | 2024-02-09 | 山东大业股份有限公司 | Avoid bead wire scratch's gas blowing device |
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| 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 |
| CN2684639Y (en) * | 2003-04-01 | 2005-03-16 | 世纪家具有限公司 | Extensible desk |
| CN202286896U (en) * | 2011-11-01 | 2012-07-04 | 徐晓龙 | Telescopic round table |
| CN202636043U (en) * | 2012-06-05 | 2013-01-02 | 浙江工业大学 | Desk capable of being large or small automatically |
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| CN2684639Y (en) * | 2003-04-01 | 2005-03-16 | 世纪家具有限公司 | Extensible desk |
| 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 |
| CN202286896U (en) * | 2011-11-01 | 2012-07-04 | 徐晓龙 | Telescopic round table |
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Cited By (11)
| 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 |
| CN106723944A (en) * | 2016-12-15 | 2017-05-31 | 彭树林 | The square table of expansible desktop |
| CN108451160A (en) * | 2017-02-17 | 2018-08-28 | 杜月江 | A kind of Extensible table |
| CN107752397A (en) * | 2017-11-22 | 2018-03-06 | 董琦 | Changeable table |
| CN107752397B (en) * | 2017-11-22 | 2024-05-28 | 董琦 | Deformation table |
| CN108741616A (en) * | 2018-03-30 | 2018-11-06 | 广州大学 | A kind of variable area type square table |
| CN109077447A (en) * | 2018-09-25 | 2018-12-25 | 泰州机电高等职业技术学校(江苏联合职业技术学院泰州机电分院) | A kind of intelligence desk |
| CN109986683A (en) * | 2019-04-04 | 2019-07-09 | 中民筑友智能装备科技有限公司 | A kind of telescopic integral window frame mould |
| CN111671236A (en) * | 2020-06-30 | 2020-09-18 | 惠州市金力智能科技有限公司 | Rotary lifting mechanism of electric dining table |
| CN117531781A (en) * | 2024-01-09 | 2024-02-09 | 山东大业股份有限公司 | Avoid bead wire scratch's gas blowing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104188343B (en) | 2016-06-01 |
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Effective date of registration: 20180605 Address after: 361102 Chen Zhai 170, Da Zhai village, Xin Dian Town, Xiangan District, Xiamen, Fujian Patentee after: XIAMEN HANBOKE ELECTROMECHANICAL AUTOMATION EQUIPMENT CO., LTD. Address before: No. 600, Jimei District, Fujian Province, Xiamen City, Fujian Patentee before: Xiamen University of Technology |
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