DE1708109A1 - Mouthpiece valve for breathing apparatus, especially diving equipment - Google Patents

Description

V3B Medical Technology Leipzig 17 08109

7035 Leipzig
Franz-Flemming-Str. 43

Vontil mouthpiece for breathing apparatus, in particular diving apparatus

The invention relates to a mouthpiece valve for breathing apparatus, in particular diving equipment, with the help of which the gas necessary for breathing is either drawn from the open air Atmosphere or from the breathing gas container carried.

By arranging a mouthpiece valve, the diver is able to swim out while swimming on the surface of the water Saving reasons to breathe via a so-called snorkel and the wearer of a regeneration device has also the possibility of completing the cycle from the ambient air.

Is known a diving device with a snorkel and a compressed gas device and with a three-way valve in the one Position establishes the connection to the snorkel and in the other position the connection to the compressed gas device. This three-way cock is in the known design with a cock plug and flange housing in the mouthpiece or housed on the mask body and has the disadvantage that £ c it sticks easily and then can no longer or very difficult to move. A fixing of what is to be served Cock plug with the valve closed can be with itself

109817/0034

-7 DEC.1967 * ß8i) 8ll " ₂ "

6ADORiQlNAL

1700109

Suddenly necessary use of the breathing apparatus can lead to it being completely unusable. V / hen the tap in the open valve is stuck, would - mainly in diving equipment - water entering the Gei'ät ₀ This allows proper puncture the device be prevented in several ways ₀ Three Wage taps also usually too big I-Iaterialgemcht which the Holding the mouthpiece with the teeth is detrimental to the

φ is device carrier. On top of that, the cock chicks have to be whole A must be perfectly ground.

The purpose of the task is to modify the mouthpiece valve so that it is absolutely insensitive to interference, thereby preventing the intrusion from being undesirable to the device wearer moving media is prevented.

The invention is based on the object of developing a control for switching the mouthpiece valve, α with which the device carrier can actuate a closure part, causing a switchover from the atmosphere to the device circuit and vice versa takes place in a functionally reliable manner.

According to the invention the object is achieved in that in a chamber leading to the mouth of the device wearer Valve disc is arranged, which by means of a lever via an eccentric and pressure piece either the passage closes off from the antechamber and thus from the open atmosphere and allows access to the breathing apparatus or vice versa,

1098 17/003 4

wherein the passage and the access are designed as a valve seat. It is expedient to provide the chamber arranged between an antechamber and a spring chamber with a channel leading into the mask space. The antechamber can be provided with a connecting piece for receiving a device through which atmospheric air flows by breathing, preferably a Schnoichel. Furthermore, it is expedient to fasten a bearing block for receiving the eccentric on the upper part of the housing. The eccentric and the pressure element can also be replaced by a valve disc operated screw pin, wherein both versions in the end position, self-locking against the generated by the compression spring back pressure acting _o The inventive construction of the iüundstückventils iut the use thereof over a long period of time wear and functionally reliable guaranteed so that the device wearer does not come into contact with harmful media that would be detrimental to his health. In the subject matter of the invention, the connection piece is arranged in such a way that the water which has penetrated into the antechamber can flow away after it has surfaced.

The invention will be explained in more detail below using an exemplary embodiment. In the accompanying drawing demonstrate:

109817/003 /;

8AD ORIGINAL

1 shows the side view of the nozzle in section, Fig. 2 shows the front view, partly in section and

3 shows the front view of a further embodiment of the Mundutückvontils, partly in section

A channel 2 leads from the mouth of the device wearer into a chamber 1. The chamber 1 is connected to an antechamber 4 via a passage 3 and to a spring chamber 6 via an access 5. Between the aisles 3> 5 designed as a valve seat there is a valve disk 7 which is pressed against the access 3 by an eccentric 9 provided with a lever 8 and a pressure piece 10. A compression spring counteracting the eccentric pressure is arranged below the valve disk 7, the spring bearing 12 of which is inserted into the valve housing 16 in a fixed or adjustable manner. To accommodate a device through which the atmospheric air flows, preferably a snorkel, the upper housing part 13 delimiting the antechamber M is provided with a connection part 14

Mistake. The Ι ^ ΟΓ-T is also on the same part of the housing

Bock 15 attached for the eccentric.

In a further embodiment according to FIG instead of the eccentric 9 and the pressure piece 10, a screw pin 17 is arranged which is connected with a nut 18

see is.

Is access 5 through the eccentric pressure from the valve disc 7 closed, then via the connected to the connector 14, from the atmospheric air by breathing through-flow device (not shown), the antechamber

1 0 C Ü Ί 7/0 0 3 U - ¹ J "

and inhaled and exhaled channel 2. Is by flipping of the lever 8, the access 5 is free again, and the valve disc 7 is pressed by the compression spring 11 onto the passage 3, then the device wearer breathes the im. Device with guided Breathing gas. The exhaust gas flows past the device coming over the. Spring chamber 12 and from this in the Chamber 1 through channel 2 to the wearer's mouth »

The same effect is achieved with the screw pin 17 by optionally moving the nut 18 and thus switching the nozzle valve from the atmosphere to the device circuit and vice versa _e

109817/0034 - ⁶ -

CA ^ 8AD ORIGINAL

Claims (1)

Patent requests: Mouth valve for breathing apparatus, in particular Diving equipment that connects in one position to the open atmosphere and in the other position the connection to the breathing apparatus, characterized by that between the passage leading to the free atmosphere (3) and the one leading to the breathing apparatus Access (5) a spring-loaded valve disc (7) is arranged, which via a pressure piece (10) with one attached to the housing part (13) and rotatably mounted Eccentric (9) is in loose or fixed connection. 2. mouthpiece valve according to claim 1, characterized in that the mibtlere, the valve disc (7) receiving Chamber (1) is provided with a channel (2) leading to the mouth of the device wearer. 3 mouthpiece valve according to claim 1 and 2, characterized in that that the passage (3) and the access (5) are designed as a valve seat. 4. mouthpiece valve according to claim 1 to 31, characterized in that that the chamber (1) is arranged between an antechamber and a spring katumer (6). 5. mouthpiece valve according to claim 1 to 4, characterized that the upper housing part (13) delimiting the prechamber (4) has a connecting part (14). 1 0981 7/0034 mm Ό mm 6, mouthpiece valve according to claim 1 to 5 »characterized in that that on the upper housing wedge (13) a bearing block (15) for receiving the eccentric (9) is attached is. ο mouthpiece valve according to claim 1 and 6, characterized in that that the eccentric (9) consists of a lever (8) to which a flat cylindrical part is attached which in turn has an axis of rotation (19) arranged off-center and in the bearing block (15). 8. mouthpiece valve according to claim 1,6 and 7 »characterized in that that the eccentric (9) and the pressure piece (10) are actuated by a valve disc (7), with a nut (18) provided screw pin (17) is replaced. 1098 17/0034 8ADQRIGJNAi,