CN202774930U

CN202774930U - Rotary turntable of dinning table

Info

Publication number: CN202774930U
Application number: CN 201220437280
Authority: CN
Inventors: 殷超; 殷金锁; 寇帅; 高晓星
Original assignee: 殷金锁
Priority date: 2012-08-22
Filing date: 2012-08-22
Publication date: 2013-03-13
Anticipated expiration: 2022-08-22

Abstract

The utility model discloses a rotary turntable of a dinning table, wherein a center shaft is fixedly arranged at the axle center of a table top; a driving turnplate and a rotary table top are assembled on the center shaft; spherical pressure bearings installed on the driving turnplate are matched with annular sliding rails on the table top and the rotary table top correspondingly in a sliding way; the driving turnplate and the rotary table top are rotationally connected with the center shaft respectively; and the driving turnplate is connected with a power source through engagement transmission. Due to the corresponding arrangement of the spherical pressure bearings matched with the annular sliding rails on the table top and the rotary table top in the sliding way, the loading force of the rotary table top is concentrated on two adjacent bearings, so that the force transmission of a system is simplified and the load-bearing capacity of the table top is increased; due to the point-to-face contact between the spherical face of each bearing and each sliding rail face, the overall height of the system structure is decreased greatly; the overall height can be decreased by three times, so that the stability is improved significantly; with the adoption of an engagement transmission way that driving shafts are put between gears on the edge of the driving turnplate or a chain-gear engagement transmission way, the resistance is small, the service life of the system is prolonged, the fault tolerance is high, and the power consumption and the production cost are decreased.

Description

A kind of dining table revolving-turret

Technical field

The utility model relates to the improvement of dining table, relates in particular to the revolving-turret of lazy Susan.

Background technology

The appearance of lazy Susan has made things convenient for masses to have a dinner, and has enriched people's cooking culture.But the defectives such as existing lazy Susan ubiquity, and structure is comparatively complicated, rotating table top is heavy, poor stability during rotation, service life are short.Such as the turntable of existing lazy Susan since up and down two-layer bearing be installed on the different bearing blocks, two-layer bearing works in respectively on the two-layer track, pressure is by bearing block and bearing shared, thereby higher bearing block height is unfavorable for the Systems balanth running, and cause the fault rate of bearing block high, the structure of double-deck bearing block also so that between bearing and bearing block and and slide rail between the on-stream generation noise that is difficult to eliminate.In addition, the turntable of existing lazy Susan all is to adopt the mid-structure of drive motors, namely turntable central authorities rotating shaft around, drive the turntable rotation by gear.This irrational drive mechanism drives its rotation so that motor must overcome very large turntable resistance, thereby often need dispose the motor of relatively high power, and required power consumption is large, and cost is high.

The utility model content

The utility model provides a kind of simple and reasonable, spin stabilization, practical durable dining table revolving-turret, the drawback that exists to overcome prior art.

The utility model purpose is to realize like this, this dining table revolving-turret comprises desktop and the rotary desktop that is rotatably assorted with desktop, the place, axle center that it is characterized in that described desktop sets firmly a central shaft, assemble successively on the central shaft and drive rotating disk and rotary desktop, drive the sphere pressure bearing installed on the rotating disk respectively with desktop and rotary desktop on the sliding connection of ring-type slide rail, drive rotating disk and rotary desktop and be rotationally connected with central shaft respectively, drive rotating disk and link to each other with power source by engaged transmission or band transmission.

Described sphere pressure bearing arranges on the radially equally distributed axle in driving the rotating disk card in pairs, the wherein sphere pressure bearing on the ring week and the ring-type slide rail sliding connection of desktop upper surface, the sphere pressure bearing on another ring week and the ring-type slide rail sliding connection on the rotary desktop lower surface.

The periphery of described rotary desktop is to downward-extension, and described periphery is not less than the thickness sum that drives rotating disk and desktop at least to the length of downward-extension.

The technological progress that the utility model is obtained: 1. owing to adopt the driving rotating disk of the utility model structure, namely be provided with respectively with desktop and rotary desktop on the sphere pressure bearing that is slidingly matched of ring-type slide rail, the carrying force of rotary desktop concentrates on two next-door neighbours' bearing, this gravity is directly passed to the steel base by bearing, change existing lazy Susan weight transfer to bearing, bearing passes to bearing block, bearing block passes to the tactic pattern of base again, simplified the transmission of system force, optimized structure, thereby can greatly increase the load-carrying of rotary desktop, but compare with the lazy Susan of existing load-carrying 200kg, the load-carrying of rotary desktop rises to 500kg, thereby can greatly reduce the requirement to material, has greatly increased the bearing capacity of rotary desktop simultaneously.2. owing to adopt an axle to replace the existing up and down project organization of two-layer bearing block, the sphere pressure bearing that is about on the different rings side face is installed on the same axle in pairs, so that be close between two coaxial bearings, so that two coaxial bearings are able to asynchronous being rotated, the difference in height of and two slide rails poor by this diameter that utilizes two slide rails, whole height can be reduced to 80mm, and wherein the height of supporting part rotary desktop only is 30mm, so that stabilized structure, exquisiteness.Simultaneously owing to adopt outer round spherical bearing, the sphere that has formed bearing contacts with the point-to-area of slide rail face, thereby greatly reduced the whole height of system architecture, compare with existing product, the entire system height can reduce by three times, whole height can be reduced to 8cm by 25cm, thereby so that stability be greatly improved.3. the utility model takes full advantage of lever principle, taked driving shaft is placed engagement or chain pitch wheel engaged transmission mode between the gear that drives disk edge, only need very little power of motor just can make the driving dial rotation, compared with the prior art, power of motor can be reduced to 13W by 100W, not only the machine operation resistance is very little, also be improved its service life, and simple installation, and fault-tolerance is high, reduce required power consumption, reduced production cost.4. have now and land the steelframe load-bearing all by a central big-diameter bearing support, suffered gravity, side direction bending power are all born by it, thereby stressed complexity, and condition of work is abominable, causes it to be prone to the drawback of fault.And the utility model is the stressed pressure that all focuses on spherical bearing of system, its project organization is equivalent to the huge bearing of 1.2 meters of diameters, thereby stressed simple, lifting surface area is large, the unit lifting surface area reduces, all are stressed is born by the sphere pressure bearing, has optimized frame for movement, thereby can greatly reduce probability of failure.In addition, the arm-type structure of existing steelframe has very various height adjusting screw rod when assembling, need the usage level chi to regulate in the installation process, thereby assemble the lazy Susan of a steel frame construction turntable, often needs 4～6 hours.And the utility model is divided into three independently parts with turntable, i.e. steel base portion, and rotation driving section, tabletop support portion is divided.Quick for installation simple, use manpower and material resources sparingly, built-up time can be reduced to 20 minutes, has reduced built-up time, and is convenient for users, with respect to existing lazy Susan of landing steelframe shape structure, has outstanding simple in structure, firm, stability high.5. owing to adopt spherical bearing, bearing is that a some face contacts with the track of sliding track face, has reduced frictional force, has greatly reduced the resistance of motion, and the resistance of motion can be reduced to by the 2.5Kg/m of prior art 500g/m, has increased the service life of bearing and slide rail.6. owing to rotary desktop directly contacts with bearing by slide rail, touch the stopping time firmly as long as can realize tactile stopping greater than the resistance of bearing, and be far longer than the project organization of existing rubber dry friction the service life of bearing, make the drive motors running resistance reduce more than 25 times, the drive motors running resistance can be reduced to 80g/m by the 2000g/m of existing lazy Susan, has greatly prolonged the service life of system.

Description of drawings

Fig. 1 is the utility model rotary desktop structural representation.

Fig. 2 is for driving the turntable structure schematic diagram.

Fig. 3 is the slide rail structure for tabletop schematic diagram.

Fig. 4 is the local structure for amplifying schematic diagram of Fig. 2.

The specific embodiment

Below engaging specific embodiment is described further the utility model.

Such as Fig. 1～shown in Figure 4, it comprises desktop 9 and the rotary desktop 2 that is rotatably assorted with desktop 9 this dining table revolving-turret, place, axle center at desktop 9 sets firmly a central shaft 7, assemble successively on the central shaft 7 and drive rotating disk 6 and rotary desktop 2, with be equiped with respectively bearing on the central shaft 7 that drives rotating disk 6 and rotary desktop 2 joint portions, driving rotating disk 6 and rotary desktop 2 is rotationally connected by bearing and central shaft 7 respectively, drive the sphere pressure bearing 8b of installing on the rotating disk 6 and the ring-type slide rail 3b sliding connection of desktop 2 upper surfaces, the ring-type slide rail 3a sliding connection of sphere pressure bearing 8a and rotary desktop 2 lower surfaces drives rotating disk 6 by linking to each other with power source motor under being installed in desktop 9 with driving wheel 4 engaged transmission (or band transmission).

Sphere pressure bearing 8a, 8b arrange in the radially equally distributed rotating shaft 10 in driving rotating disk 6 cards in pairs, and rotating shaft 10 is installed in and drives in the through hole 5 of evenly offering on the rotating disk 6.Driving rotating disk 6 encircles the diameter of radially-arranged each sphere pressure bearing 8b rotational trajectory on the side faces and the ring-type slide rail 3b diameter on the desktop 9 matches and sliding connection, another encircles the diameter of upper radially-arranged each sphere pressure bearing 8a rotational trajectory of week and the ring-type slide rail 3a diameter on rotary desktop 2 lower surfaces matches and sliding connection, the periphery 1 of rotary desktop 2 is to downward-extension, drive rotating disk 6 and desktop 9 to hide from the side, periphery 1 downward extended length is not less than the thickness sum that drives rotating disk 6 and desktop 9 at least.

The utility model working method is as follows: behind the starter motor, drive rotating disk 6 and make its inboard bearing 8b and ring-type slide rail 3b sliding-contact rotation, and bearing 8b and bearing 8a are coaxial, bearing 8a contacts with ring-type slide rail 3a, because and non-resistance, so ring-type slide rail 3a and bearing 8b can not produce sliding friction, so rotary desktop 2 and driving rotating disk 6 synchronous rotaries.When rotary desktop 2 meets obstructions, serve, allow mutually between the guest dish and need to allow rotary desktop 2 rotate by demand the time such as waiter, just can use hand propelled rotary desktop 2, at this moment, coaxial bearing 8a, bearing 8b will asynchronously rotate, and at this time, the bearing 8b that follows electric machine rotation still rotates at ring-type slide rail 3b according to the rotary speed of motor, bearing 8a is then because meet obstructions, thereby beginning is according to producing the sliding friction rotation between customer demand and ring-type slide rail 3a.

The utility model product is realized thus touching and is stopped, and realizes can changing according to demand rotating speed and the direction of rotary desktop 2, but not affecting machine operation when customer demand.When external force disappeared, bearing 8a and rotary desktop 2 can slowly recover the rhythm that rotates synchronously with driving rotating disk 6 because of the impact of gravity and frictional force.

Claims

1. dining table revolving-turret, it comprises desktop (9) and the rotary desktop (2) that is rotatably assorted with desktop (9), the place, axle center that it is characterized in that described desktop (9) sets firmly a central shaft (7), assemble successively on the central shaft (7) and drive rotating disk (6) and rotary desktop (2), drive the sphere pressure bearing (8a of the upper installing of rotating disk (6), 8b) respectively with desktop (9) and rotary desktop (2) on ring-type slide rail (3a, 3b) sliding connection, drive rotating disk (6) and rotary desktop (2) and be rotationally connected with central shaft (7) respectively, drive rotating disk (6) and link to each other with power source by engaged transmission or band transmission.

2. dining table revolving-turret according to claim 1, it is characterized in that described sphere pressure bearing (8a, 8b) radially equally distributed axle (10) is upper in driving rotating disk (6) card arranges in pairs, the wherein sphere pressure bearing (8b) on the ring week and ring-type slide rail (3b) sliding connection of desktop (2) upper surface, the sphere pressure bearing (8a) on another ring week and ring-type slide rail (3a) sliding connection on rotary desktop (2) lower surface.

3. dining table revolving-turret according to claim 1, it is characterized in that the periphery (1) of described rotary desktop (2) to downward-extension, described periphery (1) is not less than the thickness sum that drives rotating disk (6) and desktop (9) at least to the length of downward-extension.

4. according to claim 1,2 or 3 described dining table revolving-turrets, it is characterized in that with the central shaft (7) that drives rotating disk (6) and rotary desktop (2) joint portion on be equiped with respectively bearing.