CN2151679Y

CN2151679Y - Improved structure rotary disk device

Info

Publication number: CN2151679Y
Application number: CN 93200817
Authority: CN
Inventors: 徐灯铨
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-20
Filing date: 1993-01-20
Publication date: 1994-01-05
Anticipated expiration: 2003-01-20

Abstract

The utility model relates to an improved structure rotary disk device, comprising a body and a chassis. The circumference of the external edge of the body is provided with a plurality of long through holes which are in radial form towards a central rotating core; the inner side of the transverse long direction is provided with a shallow concave groove whose direction is opposite. After a plurality of rolling shafts whose diameters are slightly larger and lengths are slightly shorter than those of the long through holes are embedded into the shallow concave grooves of the long through holes, the rolling shafts can be deformed with the body material and are tightly clamped between the shallow concave grooves by flexibility and return; the rolling shaft is not easy to glue out, and at least eighteen rolling contact surfaces are formed; the external edge of the chassis is provided with a convex loop wall, and the bottom surface is provided with a concave loop groove which is sheathed in a slippage preventing shim; the central shaft center is also provided with shaft holes, which is convenient for screw bolts to penetrate for locking and positioning with a circular table board; the utility model can largely promote the rotation smoothness of the rotary disc and the combination stability and has the advantages of simple structure, and easy formation.

Description

Improved structure rotary disk device

The utility model relates to a kind of rotating disk, particularly relate to the dining table of a kind of low insertion force and high confining force or the structurally improved rotating-table apparatus that seat is used, this device is embedding most roller bearings before the shallow grooves of its microscler through hole for body construction, oppress the outer rim ring week of body earlier, most microscler through holes are suitably outer to be opened to order about, so that caliber is bigger, the slightly short roller bearing of length embeds easily, the unlikely difficulty that causes assembling because of the confusion of the aligning that slides mutually when in the past entering circular hole with steel ball to improve, after roller bearing is located microscler through hole, make it flexible answer and can prevent a kind of novel rotating disk with the tight kink of shallow grooves inwall from microscler through hole slippage.

At present, the rotating disk 1 that general dining table is used, as shown in Figures 1 and 2, its formation comprises by whole piece metal material forming being the body 11 of a circle form, be positioned at a chassis 12 in its outer shroud week, and most main elements such as steel ball 13, wherein, offer the through hole 110 of several spacings at least on the body 11, be used for separately one by one the sealed location of DRIVE SCREWS and the circular table on it (figure does not show) and can rotate thereupon, offer a wedge shape concave ring groove 111 on its outer rim, and on the inner edge on chassis 12, also offer in opposite directions a wedge shape concave ring groove 121, be used for the steel ball 13 of majority is covered with at two wedge shape concave ring grooves 111,121 and the accommodation space 13A that closes in, also offer the through hole 122 of some spacings on it, be used for being inserted in one by one separately on-slip plunger 123, on the side, more offer a horizontal screw 124 again, with by a jackscrew 14 screws in body 11 sealed location.Yet so the shortcoming of design is:

1, the assembly machining clearance is tired many:, need be drilled with one by one separately or car is established most through hole 110,122, screw 124 and wedge shape concave ring groove 111,121 etc. with aluminium founding casting as body 11 and chassis 12, increase the moulding cost of assembly.

2, assembly is too much: the steel ball 13 that is covered with as majority, at least six are used for sealed screw (and a jackscrew 14) and a plurality of on-slip plungers 123 etc., increase the combination formality, and then raise the cost.

3, owing to be to form, and make it have certain material weight, so move or during 1 use of adjustment rotating disk, can be described as suitable effort removing with the metal material manufacturing.

4, in assembling process, normal owing to adorned one, two steel ball 13 less, and make rotating disk 1 produce or rotate bad phenomenon.

Seat rotating disk 2 as another, as shown in Figures 3 and 4, this rotating disk 2 is respectively by a body 21, chassis 22, rotary case 23, dog screw 24, spacer 25 and

steel ball

26,27 main elements such as grade constitute, wherein, this chassis 22, rotary case 23 all is disc bodies, this has the roundlet groove 220 of an indent on it, 230, and the center of chassis 22 round recesseds 220 offers a circular port 221, a circular hole 231 is then offered in round recessed 230 centers of rotary case 23, in addition at two discs in contrast to round recessed 220, on 230 the card, be provided with a bigger annular groove 222,232; Body 21 is ring plates, offers several circular holes 210 on it; The size of these several circular holes 210 just in time makes steel ball 26 put and penetrates and rolling within it, and dog screw 24 is provided with the head of a nail 240, nail bar 241, and spacer 25 is round sheets, and a circular hole 250 that cooperates with nail bar 241 is offered in the center, but so the shortcoming of design is:

1, being set in rotary case 23 inner faces and the steel ball 26 in several circular holes 210, is the spherosome that has quite highly for, so be easy to tilt to rock when rotating.

2, the position that contacts with rotary case 23 of steel ball 26, be to be point-to-point contact, the flexibility that not only makes its rotation can't be smooth and easy outside, and after rotation after a while, also because of pressure (gravity) all concentrated load in a contact, and wearing and tearing that are easy to produce steel ball 26.

3, the stability of rotating disk 2 is not enough: because steel ball 26 itself has bigger spacing (highly) potential difference, if so that the demand that is applied in is when rotating the article that use than wide-angle or longer frequency, as the bar counter chair ... Deng, just make its steel ball 26 be easy to because of spacing (highly) potential difference of itself.

4, the polarization difficulty of steel ball 26: circular hole 210 and each steel ball 26 are the structures that form the swimming type fit, and these plural steel ball 26 surfaces are all very smooth, therefore circular hole 230 and each steel ball 26 are because there is the gap value of moving about, so when desire is inserted in circular hole 210 with one one contraposition, usually the former steel ball that is inserted in 26 is skidded off once again, so the combination operation of steel ball 26 is quite slow because attend to one thing and lose sight of another.

The purpose of this utility model provides a kind of simple structure combined and instant, and moulding is easy, and is applied widely, can promote dial rotation smoothness and combinative stability, and difficult disengaging can obtain the structurally improved rotating-table apparatus of excellent abrasive resistance again.

The structurally improved rotating-table apparatus of the utility model is compared with the structure of aforementioned conventional devices, advantage is fairly obvious, its parts are few, moulding easily, group cube just, and only only with flexible chimeric simple motion, can make the nested stability of roller bearing good, be difficult for breaking away from, can obtain good wearability and holding property of rotation again.It can reduce manufacturing cost greatly, and the scope of application is more extensive, and is more suitable for practicality.

The purpose of this utility model is realized by following technical scheme.A kind of structurally improved rotating-table apparatus comprises:

One body is arranged on its outer rim ring week and is provided with to the microscler through hole of the radial majority of center hub, and the direction inboard of growing crosswise of microscler through hole is provided with shallow grooves in opposite directions again, and center hub is provided with an axis hole;

One chassis extends the bulge loop wall of the aforementioned body outer rim of fit on its outer rim, its bottom surface is provided with a concave ring groove, again center hub also be provided with one with the axis hole of aforementioned body mutually and the axis hole that closes;

Most roller bearings be to be set as the microscler through hole length that length slightly is shorter than aforementioned body, and its caliber are slightly larger than the pipe body of the microscler through hole width of aforementioned body, with between the shallow grooves of flexible its microscler through hole of embedding of aforementioned body and rotate within it;

And an on-slip pad, be to be set as a torus, with outside can corresponding being sticked in the concave ring groove on aforementioned chassis and slightly protruding in.

The purpose of this utility model can also further be realized by following technical scheme.

Aforementioned structurally improved rotating-table apparatus, wherein said body and chassis are that flexible plastics or plastic-steel material injection molding is one to have suitably; The number of a wherein said majority roller bearing is to be set to more than 18 to good.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.For make above-mentioned purpose of the present utility model, feature and advantage can be more obvious, lift two preferred embodiments now, and conjunction with figs. is described in detail as follows:

Fig. 1 is the three-dimensional exploded view of a kind of known dining table with rotating disk.

Fig. 2 is the assembled sectional view of Fig. 1.

Fig. 3 is the three-dimensional exploded view of a kind of known seat with rotating disk.

Fig. 4 is the assembled sectional view of Fig. 3.

Fig. 5 is the three-dimensional exploded view of the utility model first embodiment.

Fig. 6 is the assembled sectional view of Fig. 5.

Fig. 7 is the three-dimensional exploded view of the utility model second embodiment.

Fig. 8 is the assembled sectional view of Fig. 7.

See also Fig. 5 and cooperate shown in Figure 6, the body 31 of the utility model rotating disk 3 and chassis 32 are that flexible plastics, plastic-steel material injection molding is one to have suitably, go up row the nearly outer rim ring week of body 31 and be provided with that to establish with 24 to the microscler through hole 310(of the radial majority of center hub present embodiment be example), and the direction inboard of growing crosswise of microscler through hole 310 is provided with shallow grooves 311,311 ' in opposite directions, and center hub is provided with an axis hole 312 again.Extend the bulge loop wall 320 of fit body 31 outer rims on the outer rim on chassis 32, the bottom surface is provided with a concave ring groove 322, again center hub also be provided with one with the axis hole 312 of body 31 mutually and the axis hole 321 that closes.The length of most roller bearings 33 is microscler through hole 310 length that slightly are shorter than body 31, and its caliber then is slightly larger than the width of the microscler through hole 310 of body 31.

As shown in Figure 6, when the outer rim ring week of compressing body 31, when opening so that the width that orders about the microscler through hole 310 on its adjacent side is suitably outer, in the case, the width of microscler through hole 310 is slightly larger than the caliber of roller bearing 33 thereupon, embeds between its shallow grooves 311,311 ' in opposite directions along microscler through hole 310 with convenient roller bearing 33.

In the microscler through hole 310, microscler through hole 310 returned back to the form of original width flexibly under roller bearing 33 was embedded into, so roller bearing 33 perseverances can be subjected to the effect of keeping of shallow grooves 311,311 ' limited flexible clamping roller bearing 33; 33 of this roller bearings have quite little height potential difference again, when rocking when very big, body 31 can be done suitably flexible linear deformation and regulate, and slightly short roller bearing 33 also can be in shallow grooves 311,311 ' the intercropping effect of suitably laterally vacillating, roller bearing 33 still not can from slippage between shallow grooves 311,311 ' for microscler through hole 310 outside.

The on-slip pad 34 again, be to be set as a torus, with outside can corresponding being sticked in the concave ring groove 322 on chassis 32 and slightly protruding in, and need not be again the on-slip plunger of sheathed majority one by one.

During combination, after only need directly from bottom to top screwing in the axis hole 321,312 of chassis 32 and body 31 by a bolt 35, just can with the default screw in round desktop bottom (figure does not show) location that locks together, and need not again the screw of sealed one by one majority (at least six).This is first embodiment that is applied in Lazy Susan.

Certainly, as shown in Figures 7 and 8, people also can be by the structure division of this body 31 wherein, cooperating the most roller bearing 33(present embodiments that are nested in its microscler through hole 310 is example to be provided with 18), and other chassis, rotating disk, be respectively equipped with the big head of a nail and can run through the known assemblies such as detent mechanism of the nail bar that chassis, rotating disk make it to make up, then give no longer in addition at this and giving unnecessary details.Just can be applicable to the seat rotating disk by said structure, this is second embodiment.

Though front explanation the utility model is the body 31 with chimeric eighteen at least contact roller bearing 33, except that can be applicable to dining table or seat, also can be applicable on the article that rotate the demand location and (generally be located at its bottom), for example TV, sound equipment, light fixture, pendulum decorations, show stand ... Deng.

Roller bearing 33 of the present utility model has splendid laterally vacillating property, slightly be shorter than the length of microscler through hole 310 because of its length, the vertical flexible deformation's amount (plastics that cooperate body 31 microscler through holes 310, the material behavior of plastic-steel), can guarantee height potential difference (caliber) less roller bearing 33 and shallow grooves 311, stability between 311 ', and thereby can prevent its shallow grooves 311 from correspondence, 311 ' slippage is to microscler through hole 310, and the manufacturing combination that makes rotating disk more convenient rapidly and the scope of application more extensive, and can greatly reduce manufacturing cost and wearing and tearing, in fact be one to have the new design of practical value.

Embodiment of the present utility model as above describes, yet, the utility model is not really wanted to be limited among these embodiment, various other change and modifications still can be arranged in scope of the present utility model, for example can form the plural hole in the center hub and the centre in outer rim ring week partly, it also can offer into other different geometries or style etc., but does not all break away from the scope of technical solutions of the utility model.

Claims

1, a kind of structurally improved rotating-table apparatus is characterized in that comprising:

One body, its outer rim ring week goes up row and is provided with to the microscler through hole of the radial majority of center hub, and the direction inboard of growing crosswise of microscler through hole is provided with shallow grooves in opposite directions again, and center hub is provided with an axis hole;

2, structurally improved rotating-table apparatus according to claim 1 is characterized in that wherein said body and chassis are is one to have flexible plastics or plastic-steel material injection molding.

3, structurally improved rotating-table apparatus according to claim 1 is characterized in that, the number of a wherein said majority roller bearing is to be set to more than 18 to good.