CN104188343B - Mechanical Driven telescoping desk - Google Patents
Mechanical Driven telescoping desk Download PDFInfo
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- CN104188343B CN104188343B CN201410433624.2A CN201410433624A CN104188343B CN 104188343 B CN104188343 B CN 104188343B CN 201410433624 A CN201410433624 A CN 201410433624A CN 104188343 B CN104188343 B CN 104188343B
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- rotating disk
- desktop
- slide block
- fixed underpan
- cam mechanism
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Abstract
The present invention discloses a kind of Mechanical Driven telescoping 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 slide crank block mechanisms and two end cam mechanism; This upper and lower layer rotating disk and fixed underpan are arranged from top to bottom successively, and this fixed underpan is fixed on a leg; This upper and lower layer rotating disk is respectively arranged with multiple guide rail; This slide crank block mechanism comprises slide block and connecting rod, and slide block is arranged on guide rail, and the slide block being arranged on the rotating disk of upper strata is connected with top layer desktop, and the slide block being arranged on lower floor's rotating disk is 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; Two end cam mechanism are provided with the convex tooth being positioned at top end face, and this upper and lower layer rotating disk is provided with through hole, the convex tooth of through hole difference one of them end cam mechanism corresponding on two rotating disks. Desk physical construction of the present invention is firm, reliable, long service life.
Description
Technical field
The present invention relates to a kind of desk, espespecially a kind of Mechanical Driven telescoping desk, it is possible to as dining table, desk or conference table etc.
Background technology
Desk applies to the various places such as school, family, restaurant, meeting room widely, it is to increase the space availability ratio of desk is necessary. Known desk simply is made up of table pin and desktop, and after desk is made, the actual usable floor area of desktop all immobilizes. The desk space utilization ratio that desktop size immobilizes is low, makes troubles to life: desk is too little, and people not to be squeezed; Desk is too big, takes up space again, it is thus desirable to improve.
In order to can at the more freeboard of limited space creation, constantly someone attempt change desk structure so that desk can arbitrarily change size, it is to increase space availability ratio. Prior art is connected by loose-leaf, and flanging edge desktop changes table sizes, and the table structure of this kind of scalable desktop is simple, but enlargement ratio is limited, and seam place connects unfairness.
And Mechanical Driven telescoping desk is completed by pure machinery, structure is simple, safe and reliable. Bigger contracting can be realized by simple operation and put ratio. At present, also varied by the kind of the telescoping desk of Mechanical Driven, the one " flexible round table " disclosed in Chinese utility model patent notification number CN202286896U, is typical Mechanical Driven telescoping desk. This flexible round table is provided with the table of three kinds of different shapeies, and it is provided with rotatory and extending device and rotary lifting mechanism, the interior external extension of fan-shaped big plate and platelet can be realized in rotary manner by rotatory and extending device, the lifting of platelet and center plate can be realized equally in rotary manner by rotary lifting mechanism, such that it is able to change desktop size according to the requirement used, to adapt to the needs of different use occasion. But, the rotatory and extending device of this flexible desk and rotary lifting mechanism all coordinate corresponding guiding pin to realize by rail groove or radius groove, and this kind of pin easily damages with the pin that coordinates of groove, it may also be useful to the life-span is shorter. And for fluctuating orbit groove, owing to groove has gradient at vertical direction, it is necessary to arrange anti-fall locating structure, if prevent the downslide of desktop only 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 telescoping desk that physical construction is firm.
For solving the problems of the technologies described above, the technical solution of the present invention is:
A kind of Mechanical Driven telescoping 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 slide crank block mechanisms and two end cam mechanism; This top layer desktop and middle level desktop are provided with the equal polylith of quantity; This upper strata rotating disk, lower floor's rotating disk and fixed underpan are arranged from top to bottom successively, and this fixed underpan is fixed on a leg; This upper and lower layer rotating disk is respectively arranged with multiple guide rail; This slide crank block 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; Two end cam mechanism are provided with the convex tooth being positioned at top end face, and this upper and lower layer rotating disk is provided with through hole, the convex tooth of through hole difference one of them end cam mechanism corresponding on two rotating disks.
Preferably, described Mechanical Driven telescoping desk comprises position-limit mechanism further, this position-limit mechanism comprise cylinder in the spacing cover that the spacing cover urceolus being connected with upper strata rotating disk is connected with bottom center desktop and be arranged on fixed underpan and through the center post of cylinder in spacing cover urceolus and spacing cover, this spacing cover urceolus is provided with spacing groove, in this spacing cover, cylinder is provided with positive stop lug boss, and spacing cover urceolus is nested together with cylinder in spacing cover and this spacing groove coordinates with positive stop lug boss; Described lower floor's rotating disk is provided with spacing hole and is enclosed within the post of described center.
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, it is connected by ball between described guide rail and slide block.
Preferably, two described end cam mechanism be inside and outside the annular that is nested, described convex tooth is arranged on the end face of annular and is circumferentially uniformly distributed, and it is positioned at the large end face cam mechanism control upper strata rotating disk in outside and the lifting of top layer desktop, it is positioned at the lifting of little end cam mechanism control lower floor's rotating disk middle level desktop of inner side.
After adopting such scheme, the present invention is positioned at the top layer desktop in outside and the flexible of middle level desktop by the realization of slide crank block mechanism, end cam mechanism is adopted to realize the lifting of above-mentioned two layers of desktop, and the bottom center's desktop being positioned at central authorities does not move or only rotates, therefore whole mechanism is more reasonable firm, move more reliable, it may also be useful to the life-span is longer.
Accompanying drawing explanation
Fig. 1 be desk of the present invention closed time assembling always scheme;
Fig. 2 is that assembling during desk of the present invention expansion is always schemed;
Fig. 3 be desk of the present invention closed time internal structural map;
Fig. 4 is internal structural map during desk of the present invention expansion;
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 vertical view that the present invention removes desktop;
Fig. 8 is the structural map of position-limit mechanism of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Disclosed is a kind of Mechanical Driven telescoping desk, as shown in Figures 1 to 8, it is the better 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 slide crank block mechanisms 8 and two end cam mechanism 9. Wherein:
Described top layer desktop 1 and middle level desktop 2 are provided with the equal polylith of quantity, and described bottom center desktop 3 can only arrange one piece. Described upper strata rotating disk 5, lower floor's rotating disk 6 and fixed underpan 7 are arranged from top to bottom successively, and this fixed underpan 7 is fixed on a leg 4, and described bottom center desktop 3 can be fixed on fixed underpan 7. This upper strata rotating disk 5 and lower floor's rotating disk 6 are respectively arranged with multiple guide rail 51,61.
Described slide crank block 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. Can be connected by ball between described guide rail 51,61 and slide block 81. Rotating upper and lower layer rotating disk 5,6, the slide block 81 on guide rail 51,61 is outside or slid inward under the drive of connecting rod 82 simultaneously, such that it is able to realize the extend outward of corresponding top layer the desktop 1 or middle level desktop 2 being attached thereto or inwardly reduce.
Described two end cam mechanism 9 are provided with the convex tooth 91 being 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 convex tooth 91 of one of them end cam mechanism 9 corresponding respectively of the through hole on two rotating disks. Rotating upper and lower rotating disk 5,6, when the through hole of upper and lower layer rotating disk 5,6 is relative with the convex tooth 91 of corresponding end-faces cam mechanism 9, the decline of upper and lower rotating disk makes convex tooth 91 enter in through hole, and then corresponding desktop can be driven to decline; Rotating backward lower rotary table, the convex tooth 91 of corresponding end-faces cam mechanism 9 leaves corresponding through hole, withstands on upper strata or the bottom surface of lower floor's rotating disk, such that it is able to by desktop jack-up. The rise and fall of desktop can be realized like this. Mechanism is simplified in order to save space, two described end cam mechanism 9 can be arranged to inside and outside the annular that is nested, described convex tooth 91 is arranged on the end face of annular and is circumferentially uniformly distributed, and it being positioned at the large end face cam mechanism control upper strata rotating disk 5 in outside and the lifting of top layer desktop 1, the little end cam mechanism being positioned at inner side controls lower floor's rotating disk 6 lifting of middle level desktop 2.
In order to make three layers of desktop linkage more smooth and easy, realize the perfect laminating of three layers of desktop, position-limit mechanism can be set, this position-limit mechanism comprise in the spacing cover that the spacing cover urceolus 52 being connected with upper strata rotating disk 5 is connected cylinder 31 with bottom center desktop 3 and be arranged on fixed underpan 7 and through the center post 71 of spacing cover urceolus 52 with cylinder 31 in spacing cover, this spacing cover urceolus 52 is provided with spacing groove 521, in this spacing cover, cylinder 31 is provided with positive stop lug boss 311, and spacing cover urceolus 52 is nested together with cylinder 31 in spacing cover and this spacing groove 521 coordinates with positive stop lug boss 311. By coordinating of this spacing groove 521 and positive stop lug boss 311, spacing cover urceolus 52 can be made when rotation and lifting, cylinder 31 in spacing cover is only driven jointly to rotate and don't rise and fall thereupon, thus it is highly constant while rotating to control bottom center desktop 3, it is achieved the perfect laminating of three layers of desktop. Lower floor's rotating disk 6 described in addition can arrange spacing hole (in figure, this spacing hole is covered), it is enclosed within described center post 71 by this spacing hole, such that it is able to the moving radially of spacing lower floor rotating disk 6.
The action process 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 so that upper strata rotating disk 5 glides gradually simultaneously, drive top layer desktop 1 to move downward; Lower floor's rotating disk 6 glides gradually, drives middle level desktop 2 to move downward, is connected with bottom desktop 3, it is achieved 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 to turn clockwise certain angle so that upper strata rotating disk 5 rises gradually simultaneously, drive top layer desktop 1 upwards to move; Lower floor's rotating disk 6 rises gradually, drives middle level desktop 2 upwards to move, and bottom desktop 3 is highly constant, it is achieved reducing 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 rod 82 rotates counterclockwise under the drive of rotating disk 5,6, the slide block 81 hauled on guide rail 51,61 outwards slides, make the top layer desktop 1 that is connected with slide block 81 and middle level desktop 2 extend outward, it is achieved 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 to turn clockwise certain angle simultaneously, crank connecting rod 82 rotates clockwise under the drive of rotating disk 5,6, the slide block 81 hauled on guide rail 51,61 slides inwards, the top layer desktop 1 being connected with slide block 81 and middle level desktop 2 are shunk inwards, it is achieved reducing of desktop.
It is illustrated in figure 8 position-limit mechanism, in the process that desktop amplifies, the spacing cover urceolus 52 being connected with upper strata rotating disk 5 followed by upper strata rotating disk 5 and is rotated counterclockwise certain angle, cylinder 31 in spacing cover is driven jointly to rotate by the spacing groove 521 on spacing cover urceolus 52 with the positive stop lug boss 311 on cylinder 31 in spacing cover, making in rotary course, the bottom center desktop 3 being connected with cylinder 31 in spacing cover is highly constant while rotating.
With reason, in the process that desktop reduces, the spacing cover urceolus 52 being connected with upper strata rotating disk 5 followed by upper strata rotating disk 5 and turns clockwise certain angle, cylinder 31 in spacing cover is driven jointly to rotate by the spacing groove 521 on spacing cover urceolus 52 with the positive stop lug boss 311 on cylinder 31 in spacing cover, making in rotary course, the bottom desktop 3 being connected with cylinder 31 in spacing cover is highly constant while rotating.
The above is only the better embodiment of the present invention, is not imposed any restrictions by the technical scope of the present invention, therefore the change in every case done according to claim and the specification sheets of the present invention or modification, all should belong within the scope that patent of the present invention contains.
Claims (5)
1. a Mechanical Driven telescoping desk, it is characterised 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 slide crank block mechanisms (8) and two end cam mechanism (9); This top layer desktop and middle level desktop are provided with the equal polylith of quantity; This upper strata rotating disk, lower floor's rotating disk and fixed underpan are arranged from top to bottom successively, and this fixed underpan is fixed on a leg; This upper and lower layer rotating disk is respectively arranged with multiple guide rail (51), (61); This slide crank block 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; Two end cam mechanism are provided with the convex tooth (91) being positioned at top end face, and this upper and lower layer rotating disk is provided with through hole, the convex tooth of through hole difference one of them end cam mechanism corresponding on two rotating disks; Comprise position-limit mechanism further, this position-limit mechanism comprises cylinder (31) in the spacing cover that the spacing cover urceolus (52) being connected with upper strata rotating disk (5) is connected with bottom center desktop (3) and is arranged on fixed underpan (7) to be gone up and the center post (71) that passes cylinder in spacing cover urceolus and spacing cover, this spacing cover urceolus is provided with spacing groove (521), in this spacing cover, cylinder is provided with positive stop lug boss (311), and spacing cover urceolus is nested together with cylinder in spacing cover and this spacing groove coordinates with positive stop lug boss; Described lower floor's rotating disk (6) is provided with spacing hole and is enclosed within described center post (71).
2. Mechanical Driven telescoping desk according to claim 1, it is characterised in that: described bottom center desktop is fixed on fixed underpan.
3. Mechanical Driven telescoping desk according to claim 1 and 2, it is characterised 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.
4. Mechanical Driven telescoping desk according to claim 1 and 2, it is characterised in that: it is connected by ball between described guide rail and slide block.
5. Mechanical Driven telescoping desk according to claim 1 and 2, it is characterized in that: two described end cam mechanism (9) be inside and outside the annular that is nested, described convex tooth (91) is arranged on the end face of annular and is circumferentially uniformly distributed, and it is positioned at the large end face cam mechanism control upper strata rotating disk in outside and the lifting of top layer desktop, it is positioned at the lifting of little end cam mechanism control lower floor's rotating disk middle level desktop 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 CN104188343A (en) | 2014-12-10 |
| CN104188343B true 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 |
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| Country | Link |
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| CN (1) | CN104188343B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107752397B (en) * | 2017-11-22 | 2024-05-28 | 董琦 | Deformation table |
| CN108741616B (en) * | 2018-03-30 | 2021-10-26 | 广州大学 | Area variable 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 |
| CN111671236B (en) * | 2020-06-30 | 2022-08-23 | 惠州市金力变速实业发展有限公司 | 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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2014
- 2014-08-29 CN CN201410433624.2A patent/CN104188343B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| CN104188343A (en) | 2014-12-10 |
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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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