ES2215426B1 - SWITCHING UNIT WITH ROTATING SWITCH AND PUSH SWITCH. - Google Patents

Abstract

The unit has a turn and press switch (3) mounted near a front screen wall (5) of the cooker with a telescopic rod with at least two elongated telescopic bodies (1,2) for transferring the switch movements to a gas switch (4). The telescopic bodies can be rotated with respect to each other in a region of a defined rotation angle from a mutually locked state in the axial direction to an axially released state. The starting or end stop is adjustable to extend the range of rotation of the turn and press switch by the range of the rotation angle.

Description

Switching unit with a switch Rotary and push button switch.

Object of the invention

The invention at hand refers to a switching unit with a rotary switch and switch button that is arranged in the area of a front screen of a gas cooker and whose rotary and pulsed movements can  be transmitted through a telescopic rod on a gas key that has a turning area limited by two stops. The telescopic rod has at least two bodies longitudinal telescopes fitted in the longitudinal direction of the rod that allow to adjust its length to the separation between the switching unit and the gas tap, being also the telescopic bodies rotating together to produce the moored in the axial direction of the longitudinal bodies telescopic and allow adjusting the separation between the unit switching and the gas tap and thus enable the operation of this by pressing and turning the unit commutation. It also allows to produce the axial release of the longitudinal telescopic bodies in the opposite direction to mooring, to enable its use in subsequent locations, if so It was necessary.

The switching unit of the invention has in order to simplify its structure and at the same time simplify the maneuvers to be carried out to perform the mutual mooring in the axial direction and axial release of longitudinal bodies telescopic

The invention is applicable in cooking plates of gas in which the controls are embedded in the front of the furniture, the hob is located on the countertop, and the Gas key includes a thermocouple safety device that it is operated by pressing the switching unit, which It also allows the regulation of the gas outlet by the rotation of said switching unit.

Background of the invention

In the state of the art the use of gas stoves that are embedded in the countertop of a kitchen furniture, and that are combined with an oven located under the countertop, so that the drive controls or unit switching, both the oven and the kitchen, are provided on the front of the furniture and under the countertop.

The separation between the controls and the gas tap of the kitchen, varies depending on the type of kitchen furniture, and the area where the kitchen framing is carried out, with that the connection between the gas tap and the controls must be carried out at through an adjustable telescopic rod that allows its adaptation to any type of furniture and needs of embedding.

To do this, the telescopic rod is constituted by two telescopic longitudinal bodies axially movable to regulate its length and adapt it to the separation between the control and the gas tap, being also the telescopic longitudinal bodies rotating between them around a limited angle and arranged beyond an angle defined by the turning range of the gas tap, to produce the  mooring or locking of the relative selected longitudinal position between the telescopic longitudinal bodies, and thus allow the actuation of the gas tap by pressing and turning the longitudinal telescopic bodies; and to produce the unlocking or releasing the telescopic bodies in the direction contrary to blocking.

In this regard, the request for German patent DE19829286 in which the lock-unlock is done by two jaws supported on a guide of one of the longitudinal bodies telescopic, counting said jaws with two recesses in the that fit two projections of the other longitudinal body telescopic, so that when turning the longitudinal body telescopic and therefore the projections, the jaws move, which include complementary teeth that fit between if the blocking is done. Unlocking is done in the direction contrary.

The fact of incorporating two movable jaws determines a considerable volume to effect blocking and unlock

In addition the cost of the mechanism is not the optimum.

Description of the invention

The invention relates to a unit of switching than with a rotary switch and switch button, which is arranged in the area of a front screen of a gas cooker and whose rotary and pulsed movements can be transmitted through a telescopic rod, which presents at least two telescopic longitudinal bodies embedded in the longitudinal direction of the rod, on a gas tap, which It has a turning area, which is limited by two stops of the gas tap and essentially equivalent to a turning area of the rotary switch and push button switch, said zone being of limited rotation by an initial stop and an end stop of the unit switching it is characterized because the longitudinal bodies telescopes are relatively rotating with each other in an area of a certain angle of rotation that goes from a moored state mutually in the axial direction until a released state axially The initial stop or the final stop of the unit switching is adjustable to extend the turning area of the rotary switch and push button switch around the area of the angle of rotation that goes from the state tied together in the axial direction to the axially released state.

In addition, the invention is characterized in that the switching unit has a bearing body and a body rotary switch on which the rotary switch e is arranged push button switch The rotating body is mounted so swivel and can be pressed under a spring intermediate in the bearing body.

The initial stop is set by means of a sliding organ that is movable in the bearing body to along the axis of rotation of the rotating body.

The sliding body is movable by of a relative movement of the rotary switch and switch button in relation to the rotating body.

The bearing body has a guide sliding by means of which the rotating body is brought to its position not under pressure, during a rotating movement of the telescopic longitudinal bodies from their released state  axially to its axially tied state.

In this way, through the switching unit of the invention the mutual mooring of the bodies is carried out Telescopic rods in a simple and efficient way.

Next to facilitate a better understanding of this specification and being part member of the same, a series of figures are accompanied in the that for illustrative and non-limiting purposes the object of the invention.

Brief statement of the figures

Figure 1.- Shows a schematic view of a exemplary embodiment in which two bodies are used longitudinal telescopes that connect the rotary switch e push button switch with the gas key, and they are equipped with means moored mutually-released in the direction axial of the relative position of the selected length of the longitudinal telescopic bodies.

Figure 2.- Shows a schematic view of a exemplary embodiment in which three bodies are used telescopic longitudinals, longitudinally movable between yes, in which at least the fixation between two of the bodies Longitudinal telescopes are carried out by means of mooring mutually-released in the axial direction of the invention.

Figure 3.- Shows a side elevation view of one of the telescopic longitudinal bodies according to the invention.

Figure 4.- Shows a side elevation view of another position of the telescopic longitudinal body represented in the previous figure.

Figure 5.- Shows a side elevation view of the anterior part of the other longitudinal telescopic body, in the which is introduced the longitudinal telescopic body represented in figures 3 and 4.

Figure 6.- Shows a front view of the part anterior of the telescopic longitudinal body represented in the previous figure.

Figure 7.- Shows a view according to section B of figure 5.

Figure 8.- Shows an elevation view of a piece that is determined by a fixed part in which it is included a toothed, and a movable part constituted by a cam, and that retains in the frontal recess of the telescopic longitudinal body represented in figures 5, 6 and 7. In the embodiment of the invention two pieces are used as the one shown they retain in a fixed and diametrically opposite position in the recessed of the telescopic longitudinal body that has been represented in figures 5 to 7.

Figure 9.- Shows a bottom view of the piece represented in the previous figure, to clearly show the structure and arrangement of the teeth that make the mooring possible mutual in the relative position between the longitudinal bodies telescopic

Figure 10.- Shows a front view of a cover which seals the anterior part of the longitudinal body recess telescopic shown in figure 5.

Figure 11.- Shows a side view of the lid represented in the previous figure.

Figure 12.- Shows a view equivalent to the figure 6, in which the parts of figure 8 are mounted, and the telescopic longitudinal body is also introduced of figures 3 and 4, whose teeth and longitudinal protrusion are arranged in the unlocked position.

Figure 13.- Shows a view equivalent to the previous figure, in which the telescopic longitudinal body interior is located in an intermediate position between the Mooring and released position.

Figure 14.- Shows a view equivalent to the of figures 12 and 13, but with the difference that the body longitudinal telescopic interior is located in the position that produces the mutual mooring of the relative position between the two Telescopic longitudinal bodies by rotating the body longitudinal telescopic interior.

Figure 15.- Shows a side elevation view of a possible embodiment of the rotating body.

Figure 16.- Shows a front view of the body swivel shown in the previous figure.

Figure 17.- Shows a view of the body swivel depicted in figure 15, but from another angle.

Figure 18.- Shows a view according to a section longitudinal of the rotating body shown in the figure fifteen.

Figure 19.- Shows a view according to the section C-C of Figure 16.

Figure 20.- Shows a side elevation view of the bearing body constituting the retention means of the rotating body shown in figures 15 to 19.

Figure 21.- Shows a view according to a section longitudinal of the bearing body of the previous figure.

Figure 22.- Shows a front view of the body bearing shown in figure 20.

Figure 23.- Shows a rear view of the bearing body shown in figure 20.

Figure 24.- Shows a side elevation view of the movable stop mounted on the bearing body shown in figures 20 to 23.

Figure 25.- Shows a front view of the stop mobile represented in the previous figure.

Figure 26.- Shows a sectional view of the stop mobile represented in figure 24.

Figure 27.- Shows a schematic view of the upper half of the rotary switch and push button switch mounted on the front of a kitchen, which shows the arrangement of the rotating body, bearing body and stop mobile.

Figure 28.- Shows the relative position of the rotating body and bearing body before operating the rotary switch and push button switch to perform the mutual mooring maneuver. The rotating body corresponds to the shown in figure 16 and the bearing body with the represented in figure 23, and have been represented separately to facilitate the understanding of the relative position of both.

Figure 29.- Shows a view equivalent to the previous figure, in which the rotating body has been rotated 110º, point from which a busty starts to slide along the sliding guide ramp of the bearing body.

Figure 30.- Shows a view equivalent to the previous figure, in which the rotating body has been rotated 180º, moment from which the rotary switch and switch button has been moved outward preventing it from being able to be pressed

Figure 31.- Shows a view equivalent to the previous figure, in which the rotating body has been rotated 210º, position in which the mooring-mutual of the longitudinal bodies telescopic, fixing its length.

Figure 32.- Shows a schematic view of the arrangement of the fixed stop provided in the bearing body of the movable stop, and a skirt provided on the axis of the switch rotary and push button switch; and all of them arranged in the initial mounting position.

Figure 33.- Shows a view equivalent to the previous figure, in which the rotary switch and switch button has been turned 180º until the key stop is reached  Of gas.

Figure 34.- Shows a view equivalent to the previous figure, in which the flap of the rotary switch e push button switch, remains in contact with the planned fixed stop in the bearing body; situation in which the mooring of the relative position between the longitudinal bodies telescopic, and that corresponds to the position of the bodies Telescopic rods shown in Figure 14.

Figure 35.- Shows a view equivalent to that of the previous figure, in which the rotary switch e Push button switch is in its resting position and the longitudinal telescopic bodies moored mutually, for empower the correct operation of the gas tap from the rotary switch and push button switch.

Figure 36.- Shows a view equivalent to that of the previous figure, in which the movable stop has been removed, from so that it is possible to rotate the rotating body in the clockwise direction, and the gas tap being stop in its resting position; rotating body rotation produces the release of the relative position between the bodies Telescopic longitudinals.

Figure 37.- Shows a view equivalent to that of the previous figure, in which the sliding guide of the body rotating contact with the fixed stop of the bearing body, situation in which the released of the bodies has occurred longitudinal telescopes with each other, so that they return to be scrollable with each other to select a new length.

Description of the preferred embodiment

Below is a description of the invention based on the figures discussed above.

The invention is constituted by at least two longitudinal telescopic bodies 1 and 2 that are movable each other to adapt to the separation between a switch rotary and push button switch 3 and a gas tap 4.

The rotary switch and push button switch 3 it is attached on the front 5 of a gas cooker; and the gas tap 4 is a gas valve that includes a safety device by thermocouple, which consists of a valve that must be operated  pressing on it to produce its displacement longitudinal and thus achieve its opening, so that gas comes out to through the burner 6 and it is allowed to light the fire so that when the flame hits the thermocouple, a current is generated electrical that excites an electromagnet that holds the stop valve  of the gas tap, so it is not necessary to maintain Press the valve continuously to keep the fire switched on.

To perform this function, press on the rotary switch and push button switch 3 to carry out longitudinal displacement, displacement that must be transmitted to the gas tap 4, for which the bodies Telescopic longitudinals 1 and 2 are provided with means 7 which set their relative position to each other, once the length that adapts to the separation between the switch rotary switch and push button switch 3 and the gas tap 4.

In the exemplary embodiment of Figure 1, the rotary switch and push button switch is arranged in a lower plane to the gas tap, so the union of the Telescopic longitudinal bodies 1 and 2, to the axis of the switch rotary and push button switch 3 and to the tap tap shaft of gas 4, is carried out through cardan connections 8 and 9 respectively.

In the example of figure 2, a third telescopic longitudinal body 10, which is also longitudinally movable, to allow greater coverage separation between the rotary switch and push button switch 3 and the gas tap 4, for which the relative position between the longitudinal telescopic body 2 and 10, also has to be set to the selected length. This has also been done provided a means of locking-unlocking the relative position between the telescopic longitudinal bodies 2 and 10, which may be constituted for example by a pin, and that It is not the subject of the present invention. This structure allows make a first approximation by adjusting the position relative between the telescopic longitudinal bodies 2 and 10, and the definitive adjustment by fixing the relative position between the telescopic longitudinal bodies 1 and 2.

Telescopic longitudinal body 1 is provided in its front part with a sphere 11 provided with two 12 diametrically opposed pivots of different width that are intended to make the cardan union 8 in a ball head 13 that ends the end of the rotary body 14 of the rotary switch e push button switch 3 (figures 15 to 18).

Regarding the cardan 9 connection, it should be noted that it has a structure similar to that described for the connection card 8, so it is not described in greater detail.

The longitudinal telescopic body 1 is provided of two diametrically opposed teeth 15, which extend transversely to the longitudinal direction of the bodies Telescopic longitudinals.

In addition, in the telescopic longitudinal body 1, they have planned two longitudinal projections 16, diametrically opposites, and a projection 17.

Regarding the telescopic longitudinal body 2, it should be noted that this one presents at its previous end a widening 18 in which a recess 19 is defined which includes two part 20 retaining partitions 21. Parts 21 are determined by a fixed part 22 and a cam 23 which has a less inclined surface 24 and with a larger surface tilt 25.

The fixed part 22 is provided with a gear 26 and of a stop 27.

Box 19 is provided with openings 28, a through which comes a busty 29 on which presses a spring 32 retained on the outside of the widening 18 by arms 51.

The projection 17 of the longitudinal body telescopic 1, determines a contact surface with the stop 27, so that separation of the longitudinal body is prevented telescopic 1 with respect to the longitudinal telescopic body 2. By in order to mount the telescopic longitudinal body 1 inside the telescopic longitudinal body 2, is it is necessary that the parts 21 are not mounted in the recess 19.

Figure 12 shows the position of released between the telescopic longitudinal bodies 1 and 2, in which teeth 15 and 26 are separated from each other, what which allows the displacement of the longitudinal bodies telescopes 1 and 2. In this position of releasing the projections longitudinal 16 are arranged between the stop 27, of one of the pieces 21, and the less inclined surface 24 of the other piece 21, so that the angular displacement of the body longitudinal telescope 1, is limited between the stop 27 and the lower tilt surface 24.

Therefore, in the situation of released, if produces the rotation of the rotary switch and push button switch 3 counterclockwise, this movement is transmits directly to the gas tap 4, which governs the valve opening, from a maximum flow to a flow minimum turning an angle B, so that when you reach the top of the minimum flow, if the rotary switch e is continued to rotate Push button switch counterclockwise, the longitudinal projections 16 press against the surfaces of lower inclination 24, so that the lugs 29 are driven to through the openings 28 of the widening 18 overcoming the spring action 32.

Figure 13 shows the position in which longitudinal projections 16 are located at the extreme point of the surface of less inclination, point at which not yet the mooring of the longitudinal bodies has occurred telescopes 1 and 2.

After exceeding the point shown in Figure 13, longitudinal projections 16 slide along the surface of greatest inclination with the coupling of teeth 15 and 26, so that the relative position between the bodies is tied telescopes 1 and 2. For this purpose, an angle A has been rotated rotary switch and push button switch 3.

A lid 30 is shown in Figures 10 and 11, which is fixed on the front of the opening by means of the fingernails 31 from box 19, so that pieces 21 fit perfectly protected and held in position.

To empower the mooring-released of the telescopic longitudinal bodies 1 and 2, as has described, the rotary body 14 of the rotary switch e Push button switch 3 is attached to the front 5 of the kitchen by a bearing body 34, for which it is provided with tabs 35 by means of which the attachment to said front is made 5.

The bearing body 34 has a housing 36 (figure 21) in which a spring 37 is retained (figure 27) whose other end is retained by a washer 44 which is fixed on the rotating body 14, so that said rotating body is pushed outwards butt the rear end of the bearing body and the body remaining pressurized swivel in bearing body 34.

In addition, the bearing body 34 has a wall 38 in which a second spring 39 stops, whose other end contacts a mobile stop 41, which remains in the position marked in strokes in figure 27 by the switch rotary and push-button switch 3, so that when the rotary switch and push button switch 3, as it will be explained later, the spring 39 displaces the movable stop 41 outwards. The retention of the movable stop 41 is effected through its surface 43 that contacts the rear end of the rotary switch and push button switch 3.

It is important to note that the rotating body 14 it has a radial extension 46 of which an arm is integral 47 which is finished off according to a stud 48. In correspondence with the bumper 48, bearing body 34 has a sliding guide 49, which is provided with a first section defined by a ramp 50, of so that initially and once coupled the rotating body 14 and the bearing body 34 (figures 28 and 32) the stud 48 is left totally free, so you can press and turn freely on the rotary switch and push button switch 3 until you reach the last section of angle B, and more specifically at reach 110º, at which point the pin 48 contacts with ramp 50 (figure 20), so if you keep turning the rotating body 14, the pin 48 slides down the ramp 50, so that the shaft is driven (D) inward progressively until the end of ramp 50, the rotating body remaining in a position under pressure of the spring in the body of bearing, point corresponding to 180º of rotation of the switch rotary and push-button switch (figure 30), from which if the rotary switch and push button switch continue to turn the mutual mooring of the longitudinal bodies occurs telescopic, as previously described. By therefore, by means of the sliding guide 49 and bumper 48, the the telescopic longitudinal bodies are blocked is pressing on the rotary switch and switch button, which ensures that the selected length of the bodies  Telescopic longitudinal is correct, when the mooring (figure 31).

Figures 32 to 37 show schematically the process of mooring and released with the body swivel 14 mounted on the bearing body 34, and also has represented the mobile stop 42 that enables the process of released.

Thus, in figure 32 it is shown schematically the position of the fixed stop 40, the mobile stop 41 and the skirt 33, in which the telescopic longitudinal bodies 1 and 2 are They find released. This positioning corresponds to what represented in figure 12. This situation also corresponds with what is represented in figure 28.

With reference 45 the axis of actuation of the gas tap 4, which is 30º out of phase with respect to the rotary body 14 of the rotary switch e Push button switch 3 in the released position.

In this situation the switch is turned on rotary and push button switch 3 180º until reaching the position of figures 30 and 33, so that in this position the gas key stop 4, so if you continue to act on the rotary switch and push button switch 3, the situation described with the help of figure 13, until it get the tie; situation shown in figure 14 and that corresponds to the position of the rotating body 14 and the body bearing 34 shown in Figures 31 and 34. In this position the skirt 33 contacts the fixed stop 40 of the body of bearing 34, and shaft 45 is located in phase with the body swivel 14, as shown in said figure 34.

Then the rotary switch e is turned on push button switch to place it in its resting position, as and as depicted in figure 35, in which the skirt 33 contact the mobile stop 42, leaving the whole set suitable for empower the ignition and regulation of the gas.

To effect such regulation, first it is pressed on the rotary switch and push button switch 3, whereby the rotating body 14 moves longitudinally overcoming the action of spring 37, so that it also move the telescopic longitudinal bodies 1 and 2 and therefore the shaft 45 of the gas tap 4 is also displaced, producing the valve opening. When the rotary switch e is released push button switch, it recovers its position by the action of spring 37.

Gas regulation is carried out in a manner conventional, as already described at the beginning of this pulled apart.

If for any reason you want to make the release of the telescopic longitudinal bodies 1 and 2, the knob 3, whereby the spring 39 pushes outwards to the stop mobile 41, so that it can be removed, so it is allowed  turn the rotary switch and push switch clockwise 30º, angle occupying the extension 42 of the stop mobile 41, whereby longitudinal projections 16 press against the most inclined surfaces 25 until it occurs the released, as depicted in figure 12, situation which allows the relative displacement between the longitudinal telescopic bodies 1 and 2.

In figures 36 and 37, it is shown schematically the position of the planned elements in the area of the rotary switch and push button switch to show the Unlocking process described.

Note that the position of the rotating body 14 of figures 18 to 31 does not correspond to the position of this same rotating body in figures 32 to 37, since initially the rotary switch and push button switch 3 is located in the 0º position and axis 45 of the gas tap, is 30º ahead. By turning the rotary switch and 180º push button switch the Axis 45 rotates to the 210º position reaching its top. From this point is made the mutual mooring, that once produced the axis 45 coincides with the position of the rotating body 14.

Claims (5)

1. Switching unit with a rotary switch and push-button switch (3), which is arranged in the area of a front screen (5) of a gas cooker and whose rotary and pulsed movements can be transmitted through a telescopic rod which has at least two longitudinal telescopic bodies (1), (2) fitted in the longitudinal direction of the rod, on a gas key (4), which has a turning area, which is limited by two stops of the key gas and which is essentially equivalent to a turning zone of the rotary switch and push button switch (3), which is limited by an initial stop (N) and an end stop (E) of the switching unit; characterized because: the telescopic longitudinal bodies (1), (2) they are relatively rotating with each other in an area of a certain angle of rotation (A) from a state moored mutually in the axial direction to an axially released state, and the initial stop (N) or the final stop (E) of the Switching unit is adjustable to extend the turning area of the rotary switch and push button switch (3) around the angle of rotation zone (A). 2. Switching unit according to claim 1, characterized in that the switching unit has a bearing body (34) and a rotating body (14) rotatably mounted and which can be pressurized into the bearing body (34 ); the rotary switch and push-button switch (3) being arranged on the rotating body (14). 3. Switching unit according to claim 2, characterized in that the initial stop (N) is configured by means of a sliding member (41) that is movable in the bearing body (34) along the axis of rotation of the body swivel (14). 4. Switching unit according to claim 3, characterized in that the slide member (41) is movable by means of a relative movement (D) of the rotary switch and push button switch (3) relative to the rotary body (14). 5. Switching unit according to one of claims 2 to 4, characterized in that the bearing body (34) has a slide guide (49), by means of which the rotating body (14) is brought to its position introduced under pressure, during a rotating movement of the telescopic longitudinal bodies (1), (2) from their axially released state to their axially tied state.