RU2325302C1 - Lower unit of respiratory system - Google Patents

Abstract

FIELD: sport.

SUBSTANCE: lower unit of respiratory system contains common housing for bite-board and air ducts with inspiratory and expiratory limbs, inspired and expired valves. Inspired valve with elastic membrane and frame having seat and radial bridges with central rod to hold membrane is situated in inspiratory limb groove near limb outlet. Expired valve is similar to inspired valve but its frame is situated inside the expiratory limb flush to limb inlet, unit wall and opposite to inspired valve. Bottom part of expired valve frame inlet is situated on the level of common unit housing bottom. Both valve frames are either solid with unit housing or split into separate elements. Expiratory limb is 10÷12 cm long and bent to the side and upwards. It has external screw near outlet to hold expiration conduit end by tightening threaded O-ring washer.

EFFECT: excludes recirculation of expired air.

1 dwg

Description

The invention relates to water sports, in particular to a breathing tube and a swimmer's hose.

Known breathing tubes for snorkeling with two ducts, with valves at the mouthpiece (one by inhale, the other by exhalation): patent NO No. 168815, B, 12/30/1991, B63C 11/16 and patent FR No. 2732305, A1, 04.10.1996, B63C 11/16, but longitudinally obstructed tubes have narrowed air passages, they do not provide for water inlet, which cannot be blown out of the duct with the inspiration valve. In modern breathing tubes, the valve for exhaling and blowing water that has entered the tube is defined at the bottom of it in a block with a mouthpiece and duct pipe, actively performing part of the enhanced exhalation and drainage function on the surface of the water after emergence, and not complete removal of exhaled air.

The appearance of the inspiratory valve in a separate housing (patent RU No. 2231473, C1, June 27, 2004, B63C 11/16) inserted into the pipe duct of the unit made it possible to eliminate the recirculation of exhaled air, extend the tube, including replacing it with a breathing hose. The connection of a breathing tube in the form of a hose in underwater equipment for shallow water (patent RU No. 2272742, C1, 03/27/2006, B63C 11/02, prototype) required the development of a housing for a single block of mouthpiece, nozzles and valves, which, to ensure universal use with elongated and hose the breathing tubes need improvement: the approach of the inspiration valve to the mouthpiece, the elimination of exhalation bubbles from the swimmer's field of vision, but not due to the lengthening of the lock chamber of the exhalation valve.

The aim of the invention is to eliminate air recirculation, expiratory bubbles entering the swimmer’s field of view and to ensure the universality of the use of the lower unit of the breathing device for both elongated breathing tubes and breathing hoses, both in horizontal and vertical position of the swimmer under water.

This goal is achieved by the fact that the lower block has an oval shape based on the design of the mouthpiece as applied to the mouth of the swimmer, a single body that combines one part of the body for the mouthpiece, and the other part along the oval sides of the wall of the block for air ducts - docking with the body of the inspiration pipe (length 2.5-4 cm) with an inspiratory valve and an exhalation pipe (10-12 cm long) with an exhalation valve.

The inspiration valve is made with an elastic membrane and a frame having a saddle and radial jumpers with a center rod for fastening the membrane. The inspiration valve is located in the recess of the inspiration pipe at its outlet end, providing the plane of the membrane flush or slightly recessed relative to the inner side of the wall of the oval block body. The exhalation valve is identical to the inspiratory valve, and its frame is located inside the exhalation pipe flush with the inlet end of the latter and the block body wall, opposite the inspiratory valve. The bottom of the inlet of the frame and thereby the exhalation pipe is performed at the level of the bottom of the block body for successful blowing of water. Valve frames are made in one piece with the block body or as separate elements. With a separate inspiration valve body in the form of a frame, the rim of which is equal to the wall thickness of the inspiration pipe, it is completely inserted, like the membrane of the monolithic frame body, through the mouthpiece space and fastened by the back wall of the frame in the recess to the end of the pipe, and the upper wall to the block body. A separate body of the exhalation valve is inserted, like the membrane of the monolithic frame body, through the exhalation pipe. Equal in size to the inspiratory valve, the exhalation valve is located inside the exhalation pipe, i.e. the inner radius of the nozzles is different, but an increase in the exhalation nozzle, including in length, does not affect the increase in buoyancy of the block, because water enters and is inside the pipe, the bend of which to the side and up allows the exhalation bubbles to be out of the swimmer's field of vision.

The invention is illustrated by the drawing, which shows the lower block of the breathing device, including the mouthpiece 1, the inhalation pipe 2 with the inhalation valve 3 and the exhalation pipe 4 with the exhalation valve 5. Each valve has, for example, a solid frame frame 6 with a seat 7, radial jumpers 8 , the center rod 9 and the membrane 10. For connecting the breathing tube, for example, through the corrugation, a roller 11 is made on the inspiration pipe, and on the upper surface of the outlet end of the exhalation pipe there is a thread 12 for connecting, for example, an elongated respirator the exhalation tube by pressing the casing with a threaded sealing ring.

The lower unit of the breathing device is used with an extended inspiratory tube, including together with an elongated exhalation tube with water-resistant nozzles, for example, complete with floats or a single float, as well as with breathing air supply hoses (including forced from the water surface) .

Claims (1)

The lower unit of the respiratory device, containing a single housing uniting the mouthpiece and air ducts made with inhalation and exhalation pipes, as well as the inhalation and exhalation valves located in this housing, while the inhalation valve is made with an elastic membrane and a frame having a saddle and radial jumpers with a center rod for fastening the membrane, characterized in that the inspiration valve is located in the recess of the inspiration pipe at its output end, and the exhalation valve is identical to the inspiration valve, and its frame is located inside the exhalation pipe flush with the inlet end of the latter, the wall of the block body and opposite the inspiration valve, while the bottom of the inlet of the exhalation valve frame is made at the level of the bottom of the single block body, and the valve frames themselves are made integrally with the block body or as separate elements, in addition, the exhalation pipe made 10–12 cm long, curved to the side and up, and also has an external thread at its output end for fastening the end of the exhalation tube therein by pressing the casing ring with a threaded sealing ring.