FR2778331A1 - Pulsating spray dental cleaner - Google Patents

Abstract

the pulsating spray dental cleaner has a nozzle (10) and a tube (9) with a connecting plate (1) fixed permanently to the tap spout (2). A valve member (4) slides between two stops (5) to allow normal flow or flow to the cleaner. The plate has a valve to limit the water pressure to the nozzle.

Description

The invention consists of a hydropulsor having certain

characteristics.

  The main interest of a hydropulsor is to clean the inter dental spaces difficult to access by

  toothbrushes and / or deposit cariogenic food debris.

  The market offers electric water jets. However, they are likely to be the cause of electric shocks. They are also noisy, bulky, have a limited tank volume, require operations

  preparatory (connection far from the sink, filling the tank, mechanical maintenance).

  The idea is not new to imagine a hydropulser connected to the running water supply.

  However, installing the device on the occasion of each use is not practical. The ideal would therefore be

  to have a tap that integrates the hydropulsor. But the cost of changing the valve would be too great.

  An additional problem arises. The force of the water at the outlet of the nozzle should not be likely to damage the gum tissue. This question also arises in the case of hydropulsers connected to the running water network. The invention consists of the combination (Figure 1) of a tube connected to a hydropulsor nozzle and a connector

  of a special type attached to the tap spout of the running water network.

  The fitting has several specificities:

  - I is provided with a diverter (4) which allows, in the operating position, to divert the water flow towards the nozzle.

  - When the diverter is not in the operating position, water flows normally into the sink.

  - The fitting (1) is extra-flat so that it takes up minimal space, especially in height. This

  characteristic is decisive for a use adapted to the environment of a bathroom.

  - The extra-flat connection can be screwed between the spout of the tap and the aerator. It is very important to combine the diverter and the aerator. Indeed, the aerator aerates the water and thus allows water savings. But the aerator also has the function of clearly cutting the flow of outgoing water. It also makes it possible to direct the outgoing water well vertically whatever the flow rate of the outgoing flow. This connection-aerator combination is new and decisive

  for the integration of the fitting in the environment of a bathroom.

  - The connector can be fitted with a valve intended to limit the force of the jet at the outlet of the nozzle. Excess water falls

then in the sink.

  - This valve can be replaced by a simple device located in the nozzle or the fitting and warning the consumer of the pressure beyond which it is not advisable to direct the jet on the gums. These measures

  could consist, for example, of a gauge (15) which progresses in the nozzle (10) as a function of the pressure.

  - In the embodiments presented (Figures A and B), the extra-flat connection operates the diversion to the tube connected to the water jet nozzle by means of a valve. This bypass could just as easily be achieved by a diaphragm, a butterfly valve, a ball valve, a conical valve, a membrane valve, a valve, a rotary valve, etc. -2- - The sliding valve in the fitting may consist of a valve drawer. This slide valve slides entirely between two stops (5). The bypass or non-bypass devices are therefore included, in the valve drawer, between the two stops. This device is particularly advantageous in the new combination presented to allow a quality bypass in such a reduced space. This mechanism therefore makes it possible to make a connection-

extra-flat diverter.

  The diversion of water to the nozzle is therefore effected by manipulation on the fitting itself. The fitting can therefore remain permanently screwed onto the spout. It therefore does not require installation during each use. As the fitting is extra-flat, it takes up minimal space. The result is particularly advantageous for the user. The new combination finally makes it possible to make available to the consumer a hydropulsor supplied with practical running water, since it takes up little space and requires only minimal handling. Despite the many constraints associated with electric water jets, the combination presented here, with specific and decisive characteristics for its use in a bathroom, for its ease of use and

  the quality of its result, however, had never been proposed for more than thirty years that exist hydropulsers.

  This had therefore not allowed consumers to benefit from a sufficiently practical hydropulser that worked

  under running water notwithstanding the multiple benefits of hydropulsers for dental hygiene.

  An embodiment of the invention may consist of a connector body (1), screwed to the spout of the tap (2) at (3), and in which slides a gate valve (4) (Figures A and B). The slide valve is held in the fitting by the stops (5). The opening and closing of the valve drawer is therefore obtained by sliding the valve drawer in the connection between the stops. Running water passes through the opening (6) fitted in the fitting (1) then meets the valve drawer, When the valve drawer is open water passes into the space (7) then into the opening ( 8) from the connection to the aerator to fall into the sink. When the gate valve is closed the water is directed to the tube (9) leading to the

  nozzle (10) through part (11) OR (12) of the valve slide. In a first example (figures A), the water passes into the drawer-

  valve from which it exits at (11) to the tube (9) connected to the nozzle (10). In a second example (Figures B), the water is directed by the concave part (12) of the gate valve through the tube (9) towards the nozzle (10). The tube (9) is connected to the fitting by

  any means. In the embodiments present seals (13) are placed to ensure the seal. The drawer-

  valve can be as flat as possible to allow the fitting to be extra-flat. The opening in (6) can be elliptical to increase the water flow and to further reduce the height of the fitting. The connection can be made of any material allowing it to be as flat and as strong as possible. The connection will allow the

  screwing the aerator (16) into (14).

  The connector may include a valve intended to limit the force of the water at the outlet of the nozzle. This valve can by

  example be housed in the space (11) of the valve drawer, thereby diverting excess water towards the opening (8) of the fitting (1).

  The force of the jet can also be limited by fitting one or more appropriate openings in the space (11) or (12). Some elements of the connection can be made of materials (often plastic) and in shapes

  limiting limescale deposits in small diameter canals. A nozzle holder (17) can be combined.

-3 -

Claims (8)

CLAIMS:   1- Hydropulser comprising a hydropulsor nozzle (10) and a tube (9) connected thereto characterized in that it comprises an extra-flat connection (1) permanently fixed to the spout of a tap (2) of running water network, the connection being extra-flat thanks to the use of a slide valve (4) sliding entirely between two stops (5) and operating, in the position of the slide valve such as water enters the space (11) or (12), the diversion of the water towards the tube connected to the nozzle and, in the position of the valve drawer such that the water passes into the space (7), the non bypass and flow normal water in the sink.   2- The hydropulsor according to claim 1, characterized in that the connector has two openings (6) and (8).   3- hydropulser according to claim I characterized in that the slide valve has the deflection mode (1).   4- hydropulser according to claim 1 characterized in that the slide valve has the deflection mode (12).   - Water-jet engine according to any one of the preceding claims, characterized in that the connector comprises a   valve intended to limit the force of the jet at the outlet of the nozzle.   6- water-jet, according to any one of the preceding claims, characterized in that it comprises a   device, a gauge (15) for example, intended to inform the user of the force of the jet beyond which it is   advised not to direct the jet on the gums.   7- Water jet, according to any one of the preceding claims in that it comprises an aerator (16).   8- Water jet, according to any one of the preceding claims, characterized in that the spaces (11) and   (12) have openings to (8) to limit the force of the jet at the outlet of the nozzle.   9- Water jet, according to claim 2 characterized in that the openings (6) and / or (8) are of elliptical shape.