CN2616113Y

CN2616113Y - Dining table with automatic rotating and lifting top

Info

Publication number: CN2616113Y
Application number: CN 03211225
Authority: CN
Inventors: 孙萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-29
Filing date: 2003-01-29
Publication date: 2004-05-19
Anticipated expiration: 2013-01-29

Abstract

A dinner table with a table top which is capable rotating and elevating freely comprises a ring shaped stationary table top, and a movable table top actuating mechanism. The actuating mechanism comprises a central bearing the upper end of which is fixedly connected to the center of the movable table top, a screw cap which forms a screwed joint with the central bearing, a caging mechanism of the screw cap, a bull gear positioned under the screw cap which is capable of rotating with the central bearing as the centre, a pinion gear engaged with the bull gear, a driving motor of the pinion gear , a friction transmission pad positioned between the screw cap floor and the bull gear, a electric elevating mechanism positioned under the bull gear. The dinner table has the advantages that the table top is capable of being elevated or rotated manually or automatically, each operation has no interference, the table top doesn't need to rotate when elevating automatically, the generator is not easy to be burned down, the mechanical failures are few and the like.

Description

Desktop can rotate the dining table with lifting automatically

(1) technical field

The utility model relates to the furniture desk, and particularly a kind of confession restaurant and hotel's banquet are used, desktop can rotate automatically and the dining table of lifting.

(2) background technology

In order to overcome use inconvenience that existing manual lazy Susan exists and easily to transship the shortcoming of scaling loss by the motor that motor, gear and central shaft hard-drive lazy Susan exist, the applicant had once disclosed a kind of automatic rotating table that adopts the floppy drive flowing mode in application number is 02275344.3 Chinese utility application.This dining table be the annular that supports by table leg fixedly desktop, be positioned at fixedly that the active desktop and the active desktop transmission mechanism of desktop inside are constituted.Said active desktop transmission mechanism replaces gear hard-drive mode with friction-driven side in design, and its concrete structure comprises: upper end and active desktop center fixation fuse, by two central shafts that axle sleeve is located up and down; Form nut and the locking mechanism (former employing electromagnetic clutch) thereof that is threaded with the middle part of central shaft; Be positioned at nut bottom, the gear wheel that can rotate around central shaft and the motor that rotates with this gear wheel pinion in mesh and driving pinion; Frictional drive pad between nut bottom surface and gear wheel.The advantage of this automatic rotating table is owing to adopt the floppy drive flowing mode that active desktop is rotated, and can not cause mechanical part damage and drive motors because of the overload scaling loss because of desktop rotates to be obstructed, and its active desktop can also be regulated by manually doing oscilaltion simultaneously.But blemish in an otherwise perfect thing is, the lift adjustment of its active desktop can only armrest be moved and finished, and active desktop must be rotated in lifting process.Owing to there is this shortcoming, under some special occasions, use, just seem convenient inadequately.

(3) utility model content

The purpose of this utility model is improved it at the shortcoming that automatic rotating table described in the above-mentioned background technology exists, but but provides not only hand-operated lifting but also automatic lifting and the automatic lifting automatic rotating table that do not need desktop to rotate of a kind of active desktop.

The purpose of this utility model is achieved through the following technical solutions: keep the structure of existing automatic rotating table described in the above-mentioned background technology constant, only in its bottom around the gear wheel of central shaft rotation one electric lifting mechanism is installed.This mechanism is by supporting plate that has lead and upper end and supporting plate fixes and be made of the overcoat of underdrive on the rack-and-pinion of driven by motor.

The utility model dining table, the manual oscilaltion Principles of Regulation of its active desktop are same as the prior art, it is lock nut, it can not be rotated, rotate active desktop with hand, drive central shaft and move up and down in nut, active desktop is also followed axle one lifting, after reaching desired height, unlock.It then is by motor driven gear that the automatic lifting of active desktop is regulated, gear drive put outward tooth bar overcoat is moved up and down, overcoat drives supporting plate again and moves up and down together with parts that are positioned at supporting plate top and central shaft, with central shaft upper end fixedly the all-in-one-piece active desktop also just and then realize automatic oscilaltion.Because central shaft is fixed in whole automatic lifting adjustment process, so active desktop also just no longer needs to have rotated.

(4) description of drawings

Accompanying drawing is the partial structurtes schematic diagram of the utility model dining table.

(5) specific embodiment

In conjunction with the accompanying drawings, this dining table entire outer diameter is 4 meters, and is high 0.8 meter, can have dinner for 20 people's deskmates.0.45 meter of the outside annular table dormant face width of this dining table is put tableware, wineglass usefulness for the eater, and for the purpose of attractive in appearance, this annular tabletop is by wooden bottom surface 2 and glass wall facing 3 compound making, and desktop is supported by the ten slatted table legs 1 that are symmetrically distributed.Be positioned at this annular fixedly the inside of desktop be that diameter is slightly less than the fixedly annular active desktop 4 of desktop internal diameter, be used for putting vegetable dish, this active desktop is made by five fan-shaped glass plate splicings of frosted, 0.6 meter of desktop width, adopt glass plate to make desktop, not only seem high-grade, luxurious, and wear-resisting, easy cleaning.This annular active desktop inner for slightly to the central active desktop 7 of lower recess, put flowers or other ornament (desktop diameter hour, can not establish this central desktop) when being used for banquet, the top of the Center-to-Center axle 8 of this desktop is fixedly connected.Every fan-shaped glass plate of looping active desktop 4 is entrusted by the adjustable supports mechanism 5 (being made of the two groups of screw rods that can regulate lifting) on three groups of support bars 6 that are fixed on the central shaft top.Central shaft 8 becomes plumbness by up and down two

axle sleeves

10 and 25 location, and two axle sleeves are supported by the tubular stent 9 and the board-like support 26 that fuse with table leg respectively up and down.Middle part at central shaft, below the Upper shaft sleeve, nut 14 is installed, connecting thread 15 is arranged between this nut and the central shaft, the locking mechanism of nut adopts vertical tooth bar 11 that is driven by independent motor (omit among the figure and do not draw) and gear 12 and the bumping post 13 that is positioned on the nut upper surface to constitute.When the hand-operated lifting desktop needs lock nut, move down by motor and gear drive tooth bar 11, after the tooth bar lower end touches the nut upper surface, block mutually with bumping post, nut can not be rotated.When unlocking, tooth bar is moved up in the other direction, its lower end breaks away from bumping post and gets final product.The bottom of nut 14 is that centre bore can be around central shaft gear wheel 17 that rotates and the pinion 18 that is engaged with, and pinion is driven through decelerator (omit among the figure, do not draw) by motor, is equipped with the frictional drive pad of being manufactured by nylon 16 between gear wheel and the nut.The gear wheel bottom is equipped with bearing 19, and the base of bearing and square supporting plate 20 fix, and the supporting plate bottom is fixed with overcoat 21, and a side of overcoat has tooth bar 22, and the gear 23 that is meshed with this tooth bar is driven by independent motor (do not omit among the figure and draw).Radially keep not rotating when the supporting plate oscilaltion is moved, perforate on its four symmetric positions is equipped with the lower end and is fixed on four leads 24 on the lower carriage 26 in the hole.This dining table can be stirred active desktop with pin also in the lower end of central shaft rigid castors 27 to make things convenient for the eater under table, arbitrarily change the rotating speed or the direction of desktop.

Its unlatching of remote control respectively of above-mentioned three drive motors available dedicated remote controllers, for the motor that makes the motor of wherein controlling the desktop elevating mechanism and control nut locking mechanism can be because of the motor overload scaling loss after control puts in place, stroke circuit breaker (omit among the figure and draw) by this overcoat and the control of vertical tooth bar can be respectively be installed respectively on the overcoat of corresponding mechanism and vertical tooth bar, be closed the power supply of corresponding motor after lift adjustment is put in place automatically.

The utility model dining table, in use, the lifting of active desktop and rotation can realize that all manual and automatic dual mode finishes, adopt manual still automatic regulative mode, can arbitrarily choose as required, can the phase mutual interference even various regulative modes use also not simultaneously, factor such as also can not take place to be obstructed because of desktop rotates, desktop lifting and nut locking put in place causes mechanical breakdown, damage and motor burning phenomenon.This dining table is because of not fragile little with the repair and maintenance amount, so be particularly suitable for the public use in restaurant and hotel.

Claims

1, a kind of desktop can rotate and the dining table of lifting automatically, the annular that supports by table leg (1) fixedly desktop (2), be positioned at fixedly that the active desktop and the active desktop transmission mechanism of desktop inside are constituted, said active desktop transmission mechanism comprises: the upper end is connected with the active desktop center fixation, by about two axle sleeves (10,25) central shaft (8) of locating; Form nut (14) and the locking mechanism thereof that is threaded with the middle part of central shaft; The motor that is positioned at this nut bottom, the gear wheel (17) that can rotate around central shaft and rotates with the pinion (18) and the driving pinion of its engagement; Frictional drive pad (16) between nut bottom surface and gear wheel, it is characterized in that: the bottom at said gear wheel (17) is equipped with electric lifting mechanism, and this mechanism is by supporting plate that has lead (24) (20) and upper end and this supporting plate fixes and be made of the overcoat (21) that gear (23) tooth bar (22) of driven by motor is gone up underdrive.

As the said dining table of claim 1, it is characterized in that 2, the lower end of institute's said central axis (8) is fixed with castor (27).

3, as the said dining table of claim 1, it is characterized in that: said nut (14) locking mechanism is made of the vertical tooth bar (11) of motor and gear (12) driving and the bumping post (13) that is positioned on the nut upper surface.

4, as the said dining table of claim 3, it is characterized in that: the stroke circuit breaker by this vertical tooth bar control is installed on the vertical tooth bar (11) of said nut locking mechanism.

5, as the said dining table of claim 1 to 4, it is characterized in that: the stroke circuit breaker by this overcoat control is installed on the overcoat (21) of said electric lifting mechanism.