RU2139119C1 - Soap-bubbles blowing device - Google Patents

Abstract

FIELD: production of toys. SUBSTANCE: device has tube, air or gas supply branch pipe positioned in upper part of tube and having smaller diameter than tube. Branch pipe has end which serves nozzle and is directed inside tube to its lower part impregnated with surfactant solution. Air is drawn into tube due to created vacuum for forming soap-bubbles. EFFECT: simplified construction and usage and increased entertaining effect. 6 cl, 2 dwg

Description

 The invention is intended for use as a toy, for entertainment purposes, for organizing spectacular performances, obtaining stage effects, etc.

 The invention is directed to the creation of a small-sized, easy-to-use device for blowing large soap bubbles. With the help of the device receive giant soap bubbles (more than 50 centimeters in diameter), as well as individual bubbles or many smaller bubbles.

 A device for blowing soap bubbles is known, including a tube open on both sides, one end of which is wetted by a solution of a surface-active substance (surfactant), and the other serves to pump air or gas. - prototype - [1].

 The proposed device for blowing soap bubbles differs from the known one in that a pipe of a smaller diameter is fixed in the upper part of the tube, through which air or gas is supplied, the end of the nozzle serving as a nozzle is directed inside the tube to its lower part moistened with a surfactant solution, and forcing into the tube of air going to the formation of a soap bubble through holes (one or more) in its upper part, due to the created vacuum.

 The operation of the device is based on using the effect of injection of ambient air with an air or gas stream of higher pressure to obtain a gas mixture of a given composition and pressure sufficient to overcome the surface tension forces of the soap bubble film at the lower end of the tube moistened with a surfactant solution.

 The device is manufactured in a stand-alone version (a small-sized portable device designed for oral blowing of soap bubbles) and stationary (used to obtain stage effects using various gases), it can have a simplified design or can be combined with a container for a surfactant solution.

 A simplified device for blowing soap bubbles includes a tube with holes and a pipe for supplying gas or air.

 The tube for blowing soap bubbles has a through hole and can be cylindrical or conical in shape, including having extensions or constrictions. Slots, grooves, pores, ribs of various shapes, etc., can be made at the lower end of the tube (at which soap bubbles form) to better retain the surfactant solution and film formation on it, the same result can be achieved by using removable inserts having slots , coaxial rings of various diameters inserted into the tube, or slots and ribs directly made in the walls of the tube. The holes in the upper part of the tube are either end or side, they can be round or have the form of slots of various configurations made between the jumpers or stiffeners that secure the pipe. The device’s tube can be made up of segments of various diameters with ledges (both inside the tube and outside), the presence of which will prevent the surfactant solution from spreading along the tube when it is oriented with its bottom upward hole, and the ledges can form coaxial cavities between the outer wall of the smaller diameter tube section and the inner wall of the tube section of larger diameter, in which the surfactant solution will be delayed. In the tube, for example, at the boundary of sections with a variable cross-section, additional through holes can be located for multi-stage air injection.

 The pipe for supplying gas or air is fixed to the tube using jumpers, stiffeners made in the tube between the holes, in the partition that overlaps the end hole of the tube, or is attached independently of the tube (for a stationary device). The pipe and tube may be movable relative to each other, for example, by securing the pipe in a slightly larger hole in the pipe.

 The simplified device is intended for use as a toy, it is made visually attractive shape, convenient to use. In such a device, blowing soap bubbles can be accompanied by an additional function - a whistle, arising due to the suction of air into the tube through the holes in its upper part.

 The simplified device is equipped with a separate container for a surfactant solution. During the period when the device is not used, its storage is carried out separately from the container, and the container is sealed with a lid.

 The combination of the device with a container for a surfactant solution can be carried out using a larger case, consisting of a lid and a sealed container.

 In such a device, the housing into which the tube is inserted has a shape convenient to operate. For a stand-alone device, this is usually the shape of a cylinder or a truncated cone, however, it is possible to manufacture a housing of complex configuration, for example, having an indentation along the axis in the side wall for placement and fixing an extension mouthpiece therein. The constituent parts of the housing are a cover and a container for a surfactant solution. The lid seals the container during storage and movement of the device and protects the tube from external influences. For a stand-alone device, the shape of the lid is made taking into account the convenience of holding it in the hand.

 A tube for blowing soap bubbles and a pipe for supplying air or gas to the device is fixed on the lid. The tube may constitute a single part with the cap fixed with ribs or jumpers, or it can be a removable element, for example, fixed with ribs made on the tube or the inner surface of the cap body due to their elastic deformation when the tube is inserted into the cap. In the latter case, it is possible to extend the tube in order to change the bore of the gap between the tube and the cover. The pipe for supplying gas or its lower end, if the pipe has a bend, is performed coaxially with the pipe, it performs the function of a nozzle.

 The container serves to place a surfactant solution into it, usually it is made in a cylindrical or conical shape. On the inner walls of the container, ribs or spikes can be made to guide the movement of the tube when it is removed from the tank, guide ribs or spikes can also be on the tube. The tube is inserted along the central axis of the container or with an offset relative to the central axis, for example, parallel to it.

 The sealing of the device is carried out after the coaxial alignment of the cap and the container and placing the lower end of the tube into the container by screwing the cap onto the container or by other known methods.

 To protect the surfactant solution from evaporation during the inter-operational period, a simplified type device is manufactured in which on the outside of the tube there is an extension that covers the passage opening of the container with the surfactant solution (ring, protrusion), or a lid compatible with the neck of the container, the extension or protrusion can be located as above the upper holes of the tube, and below them. After using the device, the tube is inserted with the lower end into the container and left in the container until the next use, and the extension (or cover) on the tube blocks the passage opening of the container, preventing the evaporation of the liquid. To completely prevent evaporation of the surfactant solution, the entire tube is enclosed in a housing from a container and a lid, the upper part of the tube is isolated with a protective cap, the upper holes in the tube are closed with a stopper, or a container of a special design is used.

 When using a tank of a special design, protection against evaporation of a surfactant solution through a tube opening is achieved through the use of a tube of variable internal cross section and a tank having a protrusion inside. When the tube is placed in the container, the lower part of the tube is put on the protrusion, sealing the inner passage section of the tube. Complete sealing of the device of this design is achieved by using a container for a surfactant solution, at the bottom of which there is a protrusion that overlaps the internal passage section of the tube, and a lid is fixed on the tube, which seals the container from the outside of the tube.

 Sealing the nozzle opening can be carried out in various ways. To this end, a cap is fixed on the lid using a flexible connection, and a shut-off valve or gate valve is installed in the nozzle.

 For the convenience of using an autonomous device, it is equipped with a tip or extension mouthpiece, fixed to the nozzle, or connected to the nozzle using a flexible hose. In the latter case, sealing of the nozzle can be achieved by bending the flexible hose, installing a crane on it, etc. During the inter-operational period, the mouthpiece is fixed to the housing with clamps or inserted into a special groove made in the housing. The mouthpiece, fixed with clamps mounted on the lid and the container, is a stopper preventing accidental unscrewing of the lid.

 In the case of a device in which the upper hole of the tube has an exit through the lid, a plug is also provided for this hole. The specified hole can be used for the operational regulation of the gas composition of the soap bubble when the hole is blocked with a finger or in another way during the blowing of the bubble.

 In order to separate the exhaled air from the condensate, the pipe, if necessary, serves as a separator. The simplest separator consists of a nozzle having a corrugated outer surface with a system of grooves and recesses, on which an extension mouthpiece or tube for supplying moist air is put on, while the gas stream passes through the nozzle, and condensate flowing down the walls of the mouthpiece or tube leaves through the grooves and recesses on the outer surface of the pipe and then removed or removed to the wall of the tube or cover. A similar result is achieved when performing the pipe jointed from two tubes inserted one into the other with a small gap.

 When using the device in stationary conditions, various gases and gas mixtures are used to obtain soap bubbles.

 The composition of the gas mixture is regulated by changing the bore of the tube, the area of the holes in its upper part or the gap between the walls of the tube and the walls of the housing (for a device combined with a container). For this, a regulating ring is installed on the tube, part or all of the openings are closed with plugs, and a retractable tube or nozzle is used. Obviously, when the upper opening of the tube is completely blocked, the composition of the soap bubble gas will correspond to the composition of the gas supplied to the device.

 To initiate the generation of soap bubbles by the device, the lower end of the tube is placed in a container containing a surfactant solution, and then the container is removed. In this case, there is no need to overlap the nozzle and the gas supply line to the device, since the device operates under the pressure of the gas mixture in the tube, not sufficient to overcome the pressure of the surfactant solution column, but sufficient to overcome the surface tension of the bubble film, therefore, when When the lower end of the tube is placed in a surfactant solution, the gas exits through the upper opening of the tube, and when the container is removed, a bubble forms.

 The device generates continuous generation of soap bubbles after connecting to the lower end of the tube capillary (s) passing outside or inside the tube through which a surfactant solution is required to form a liquid film. In this case, to start the generation of bubbles, the lower hole of the tube is temporarily blocked and then opened. Overlapping of the hole is carried out by establishing at the lower end of the tube a sliding shutter, an opening diaphragm, or by pinching the tube (or tube fragment) made of an elastic material. In all these cases, after opening the lower hole of the tube at its end, the formation and growth of the soap bubble occurs. As in the previous case, overlapping the nozzle and the gas supply line is not required.

 Automatic control of the formation and separation of bubbles is carried out by installing a recording device, for example, an optical or microwave electromagnetic emitter and detector, moreover, the beam passing through the bubble is absorbed (reflected) by the film, and in the absence of a bubble it enters the detector, which gives a signal to close aperture. For the same purpose, a sensor can be used that responds to the pressure inside the tube.

 In FIG. 1 shows a stand-alone device for blowing soap bubbles.

 The device consists of a tube (1), which is fixed by ribs or jumpers in the lid (2), the tube (1) has upper and lower end holes, there is a gap between the outer walls of the tube and the inner walls of the lid and container (3) ( 2) it seals the container (3), which covers the lower end of the tube (1) and is filled with a surfactant solution, in the lid (2), coaxially with the tube, a nozzle (4) is built in, for its sealing a stopper (5) is mounted on the lid with a flexible segment , on the outer surface of the tube (1) there is a regulating ring (6), on the side External Expansion surface of the cover (2) and containers (3) are arranged clamps (7) to secure the extension of the mouthpiece (8).

 The device operates in the following order: remove the mouthpiece (8) from the clamps (7), remove the plug (5) from the nozzle (4) and put the mouthpiece (8) on the nozzle (4), then disconnect the lid (2) and the container (3) ), and remove the tube (1) from the container (3), holding the device with one hand on the lid (2) and the other on the container (3), after which, bring the end of the mouthpiece (8) to the mouth and blow out a soap bubble, orienting the device in space depending on the wishes. The separation of the bubble from the tube occurs independently, as it grows, the forced separation of the bubble is initiated by shaking the device. To form a new bubble, the tube (1) is dipped into the container (3), it is removed and the bubble is again blown out. A stream of exhaled air through the mouthpiece (8) and the pipe (4) enters the tube (1), creating a vacuum in its upper part, due to which into the tube (1) through the upper hole and the gap between the tube (1) and the cover (2) ambient air enters. To vary the amount of sucked-in air, an adjusting ring (6) is used, changing the passage section of the gap by it.

 Injection of air by the device takes place at such an arrangement of the nozzle and the tube, when the end of the nozzle is coaxially directed inside the tube, and the nozzle may enter the tube or be located at some distance from its end. By extending the nozzle relative to the tube, it is possible to control the amount of injected air.

 In FIG. 2 shows a stationary version of a device for blowing soap bubbles.

 The device includes a tube (1) with a lower end hole and side holes in the walls of the upper part of the tube, mounted in the cover (2), the cover (2) seals the container, put on the tube (1) and which is a protective casing (not shown in Fig. 2 ), a nozzle (4) is built into the cover (2), a movable control ring (6) is located on the tube (1), a capillary (9) is connected to the bottom of the tube (1), and a diaphragm is installed on the lower end hole of the tube (1) (ten).

 For operation, the device is fixed to the cover (2) or pipe (4), or the tube (1) is mounted on the perpendicular axis with the possibility of turning the device at any angle relative to the horizon, the container is removed from the tube (1), gas is supplied to the tube (1) through the pipe (4) and the surfactant solution through the capillary (9), close the diaphragm (10), and then open it. The device operates in automatic mode, the formation, growth and independent separation of bubbles from the device. Forced separation of bubbles is provided by turning the device relative to the horizon. Upon destruction of the bubble, close the diaphragm (10) and reopen it. The amount of intake air is controlled by changing the bore of the holes in the upper part of the tube using the control ring (6) or drowning them. In a simplified version, the device is manufactured without a cover (2) and a sealing container.

 As an example of a simplified device, the device shown in FIG. 2, without elements bearing additional functional purposes (diaphragms (10), capillary (9), rings (6), covers (2)), such a device can be used to blow soap bubbles, if there is a container with a surfactant solution to wet its bottom parts, it can be either portable or stationary. In a simplified device for producing soap bubbles, the lower part of the tube (1) is moistened with a surfactant solution, and then the bubble formed on the lower hole of the tube is blown out, exhaling air or supplying gas through the nozzle (4). Air intake through the holes in the upper part of the tube can be adjusted by blocking them with your finger or using the adjusting ring (6).

 Using the claimed device, it is possible to obtain soap bubbles with a volume several times greater than the volume of exhaled air or supplied gas, to optimize the composition, humidity and temperature of the gas mixture inside the soap bubble.

 Depending on the ratio of the amount of exhaled air or gas supplied through the nozzle and the amount of sucked air through the upper openings of the tube, soap bubbles of the optimal composition for the specific conditions in which the device is used are obtained (temperature, humidity, gas composition and temperature and air humidity are taken into account, as well as structural device features and composition of surfactant solution), which allows the formation of soap bubbles of maximum magnitude. These circumstances also make it possible to obtain and operational regulation of the properties of giant soap bubbles lighter than air and pyrotechnic soap bubbles - see RF patent N 2125516 (RU 2125516 C1 of 11.22.95).

A source:
1. Boyce C. Soap bubbles. Lectures on hairiness and capillary phenomena., Trans. with the English., P. 1919.

Claims (6)

 1. A device for blowing soap bubbles, including a tube open on both sides, one end of which is wetted with a solution of a surfactant, and the other serves to pump air or gas, characterized in that a smaller diameter pipe is fixed in the upper part of the pipe through which the supply of air or gas, the end of the nozzle acting as a nozzle, is directed inside the tube to its lower part moistened with a solution of a surfactant, and the injection of air into the tube s bubble through holes in its upper part, is due to the underpressure being created.  2. The device according to claim 1, characterized in that the tube is enclosed in a larger case consisting of a lid in which the upper part of the tube is fixed, and a container for a surfactant solution closed by this lid, into which the lower part of the tube is inserted with the possibility of removing it, there is a gap between the walls of the housing and the tube, the gas supply pipe is built into the lid, the cover and container are made with the condition of their sealing when combined, and a device is provided to seal the pipe, which overlaps it passage hole.  3. The device according to claims 1 and 2, characterized in that a capillary is supplied to the tube for supplying a surfactant solution and a device is installed at the bottom of the tube for periodically blocking its passage opening.  4. The device according to claims 1 and 2, characterized in that on the device case there are clips in which an extension mouthpiece is fixed.  5. The device according to claims 1 to 3, characterized in that a movable regulating ring is located on the tube to change the amount of injected air.  6. The device according to claims 1 to 3, characterized in that grooves and recesses are made on the surface of the nozzle.

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