RU2462168C1 - Device for rotation of articles - Google Patents

Abstract

FIELD: process engineering.

SUBSTANCE: invention relates to light industry, particularly, to vessels and rotary supports for various articles. Proposed device comprises base 1 made integral with article 4 or allowing locking it thereon. Besides it has bottom shaped surface 2 with central section maximum height exceeding that of its periphery. Dished bottom surface forms, at least, one ledge 9 with height smaller than that of bottom surface central section or said surface may be fibrous in planes extending through base vertical central axis, or it may be tapered.

EFFECT: higher efficiency.

5 cl, 5 dwg

Description

The invention relates to light industry, in particular to containers and rotating stands for various items.

A device for rotating a container for a liquid is known, comprising a base with a central support protrusion made in one piece with the subject (see RF patent No. 52685 of 04/27/2006).

A disadvantage of the known device is the inability to rotate the base within the permissible range of rocking only by performing its bottom surface profiled, i.e. without central support ledge. In addition, during rotation of the base, the value of the resistance to rotation is of great importance, which depends on the diameter of the base and the form of its execution.

The technical result, to which the invention is directed, is to create a device for rotating objects, which eliminates the possibility of excessive rocking and increases the rotation time of the base without using a central supporting protrusion.

The specified technical result is achieved by the fact that the device for rotating objects contains a base made in one piece with the object or with the possibility of fixing the object on it and with a lower profiled surface, the maximum height of the protruding middle supporting section of which is greater than the height of its peripheral supporting sections.

The lower profiled surface can be convex or conical with the formation of at least one peripheral protruding support section or a side support protrusion, the height of which is less than the maximum height of the protruding middle support section of the lower profiled surface, or wavy in planes intersecting the vertical central axis of the base .

In the invention according to the second embodiment, the technical result is achieved in that the device for rotating objects contains a base made integrally with the object or with the possibility of fixing the object on it and with a lower profiled surface with the formation of a protruding middle supporting section and at least one peripheral supporting protrusion or with the formation of at least one peripheral reference portion and the middle reference protrusion, while the height of the protruding middle reference portion is greater than the height p the peripheral support protrusion, and the height and the middle support protrusion are greater than the height of the peripheral support portion.

The invention is illustrated by drawings.

Figure 1 shows the base of the device with a convex lower surface; figure 2 - the base of the device with a wavy bottom surface; figure 3 - the base of the device with a conical bottom surface; figure 4 - the base of the device with the middle support section and peripheral support projections; figure 5 - the base of the device with a peripheral support section and the middle support ledge.

The device for rotating objects contains a base 1 with a lower surface 2. The shape and dimensions of the lower surface 2 are important elements for rotation on any smooth horizontal surface 3 of the object 4 around the vertical axis 5. The base 1 is a removable or integral part of any object 4, for example the bottom of the glass or the supporting element of the stand. The base has a central support point 6 on its middle protruding support portion 7 and side support points 8 on the lateral support protrusions 9 or on the peripheral support sections (parts) 10.

The shape of the central point of the support 6 is spherical or conical. The central point of the support 6 is located on the vertical axis 5 (axis of rotation) passing through the center of gravity 11 of the base, and can also be located on the protrusion 12.

The lateral support points 8 (lateral support projections 9 or peripheral support sections (parts) 10) are located at a distance “a” from the central point of the support 6. The distance “a” is determined by the dimensions of the base 1 and may be smaller than the radius of the lower surface 2 of the base 1.

A feature of the device is that the ratio of the distance (a) of the base to the height h of the protruding middle support portion is in the range of 40-2000, while the base can be made with at least one lateral support protrusion or a peripheral support portion having a height less than the height of the middle reference section. The indicated ratio was obtained experimentally and theoretically using supporting surfaces 3 with varying degrees of roughness.

For the best rotation of the base with the smallest friction force of the lateral support points on the surface 3, it is preferable that the lateral support points are located in a solid or broken line along a circle having a center at the central reference point.

The purpose of the central fulcrum 6 is to provide the base 1 with the ability to rotate around the axis of rotation 5. The purpose of the lateral fulcrum is to provide the base with the necessary stability in a vertical position, to avoid tipping the base on its side. Ideally, it would be if the base 1, being on the horizontal surface 3, could rest on this surface with only one central point of support 6. In this case, the base could rotate around the axis of rotation 5 as efficiently (continuously) as possible. However, since the center of gravity 11 is located above the fulcrum 6, the base, relying on only one central fulcrum, is in a state of unstable equilibrium. In this case, the base will tend to transition to a state of stable equilibrium by tilting to any side and supporting it on a horizontal surface in addition to the central point of support 6, and additionally on the side points of support 8.

In this position, relying on a horizontal surface with the help of the central and lateral support points, the base is constantly at a time when it stands on the surface at rest and when it makes rotational movements on the surface 3 around the axis of rotation 5.

Size h (FIGS. 1-5) is important in the construction of the base. The dimension h determines the height of the middle protruding support portion 7, on which the central fulcrum is located, relative to the lateral fulcrum. Due to the middle protruding support section 7, the base can rotate around a vertical axis 5 on a horizontal surface 3. With a value of size h = 0, the central fulcrum and the lateral fulcrum are in the same plane. In this case, the rotation of the base is impossible. If the value of h is very large, then the base swings strongly during rotation (tilts sideways in different directions relative to the vertical axis 5). Such rocking of the base greatly reduces the duration of its rotation. Rocking the base significantly reduces its appearance. The optimal value of h = 0.05-0.15 mm. This range of h is recommended for the base, when the size "a" is in the range of 20-100 mm. In this case, it is assumed to use the base on horizontal flat surfaces with a slight roughness. These surfaces include almost all widespread surfaces for the manufacture of countertops, window sills, furniture. The material for such a surface can be various hard plastics, wood, artificial and natural stone, etc. The range of values of h = 0.02-0.05 mm will be optimal for the size range “a” = 5-50 mm, as well as in cases when the base is intended to be used on very smooth surfaces such as glass, polished stone and the like. The value range h = 0.1-1 mm is recommended for devices with a = 100-500 mm, as well as in cases where the base is used on surfaces with increased roughness or having slight bends (height differences). Bases with a large value of h are possible, with a correspondingly larger value of size "a", as well as for use on surfaces with a curved surface.

The value of h1 (FIGS. 1-5) is also important in the design of the base. Size h1 determines the height of the lateral support protrusion 9 or the peripheral support portion 10 and determines the remoteness of the bottom surface 2 of the base from the horizontal surface 3. The lateral support protrusions 9 (protruding peripheral support portions 10) are necessary for the following. In their absence (h1 = 0), the lower surface 2 of the base 1 is convex, which leads to excessive swaying of the base. The maximum value of h1 is determined either for aesthetic or technological reasons in the production of the base. The maximum value of h1 can also be determined by the more complex shape of the lower surface 2 in those cases when such a shape of the lower surface leads to an improvement in the rotation of the base.

To increase the duration of rotation of the base, it is necessary to increase its inertia (flywheel principle). This can be achieved by using higher density materials to make the base. This can be achieved constructively by evenly distributing a significant portion of the total mass of the base in its lateral peripheral part (around the perimeter).

Device application

As already mentioned above, this device is used in combination with item 4.

The option of joint execution of the base with the object is applicable when the object as a whole with the base is made by the method: 1 - injection molding (plastic, polymers, glass, crystal, ceramic metal), 2 - pressing (stamping) into the mold (plastic, ceramic, polymers , metal), 3 - machining (plastic, polymers, glass, crystal, ceramics, metal, artificial and natural stone, wood).

Item 4 may be a container or box:

- a container for storing small items (a box, a glass for pencils, a box for bulk products, an ashtray, a plate ...),

- capacity (vessel) for liquid (glass (glass), vase, shaker, chemical glassware ...).

This may be a monolithic item:

- interior decoration (sculpture, candlestick, lamp ...),

- Award badge (pennant, cup, obelisk ...).

It can be a complicated design:

- a device for outdoor advertising (advertising stand, stand (pedestal) to demonstrate the advertised goods in a store or at an exhibition ...).

Claims (5)

1. A device for rotating objects, containing a base made integral with the object or with the possibility of fixing the object on it and with a lower profiled surface, the maximum height of the protruding middle supporting section of which is greater than the height of its peripheral supporting section. 2. The device for rotating objects according to claim 1, characterized in that the lower profiled surface is convex with the formation of at least one peripheral protruding supporting portion, the height of which is less than the maximum height of the protruding middle supporting portion of the lower profiled surface. 3. The device for rotating objects according to claim 1, characterized in that the lower profiled surface is made wavy in planes intersecting the vertical central axis of the base. 4. The device for rotating objects according to claim 1, characterized in that the lower profiled surface is conical. 5. A device for rotating objects, containing a base made integral with the object or with the possibility of fixing the object on it and with a lower profiled surface to form a protruding middle support portion and at least one peripheral support protrusion or to form at least , one peripheral reference section and the middle reference protrusion, while the height of the protruding middle reference section is greater than the height of the peripheral reference protrusion, and the height of the middle reference protrusion is greater the height of the peripheral reference section.

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