EP3974345A1 - Spray head and dispenser with such a spray head - Google Patents

Abstract

A discharge head (10) for discharging liquid is known, which can be manually switched between a secured and a released state, the discharge of liquid being prevented in the secured state and the discharge of liquid being enabled in the released state. Such a discharge head has a discharge channel (12) and a discharge opening (14) at one end of the discharge channel (12). It also has an outer shell (20) with a discharge opening (22) through which the liquid discharged through the discharge opening (14) can be discharged. In order to allow switching, the outer body has a rotatable inner body (60) or screen body (50) on the inside of the outer shell (20). Discharge is prevented depending on the rotational position in relation to the outer shell. According to the invention, a releasable snap-on coupling (60) is provided, by means of which the outer shell (20) on the one hand and the inner body (40) or the screen body on the other hand can be rotationally coupled in the closed rotary position, so that the open rotary position can only be reached again after manual force has been applied to a release surface (62) of the detachable snap-on coupling (60).

Description

The invention relates to a discharge head for discharging liquids, in particular pharmaceutical liquids or personal care products as well as disinfectants and cleaning agents, and a liquid dispenser with such a discharge head.

A discharge head according to the invention or of the generic type serves to discharge liquid from a liquid reservoir. For this purpose, it has a discharge channel and a discharge opening at the end of the discharge channel. For the purpose of discharge, the discharge head is preferably depressed relative to the liquid reservoir. In order to prevent the unintentional discharge of liquid, in particular the discharge by a child playing with the liquid dispenser, such a discharge head can be manually switched between a secured and a released state, with the discharge of liquid being prevented in the secured state and with the discharge being in the released state made possible by liquid.

A generic discharge head has an outer shell with a discharge opening through which the liquid discharged through the discharge opening can be discharged when the discharge opening and the discharge opening are in an aligned arrangement and no diaphragm preventing the discharge is provided between them. In order to prevent the discharge, a generic discharge head has one of two possible configurations: According to a first configuration, it has an inner body on which the discharge opening is provided and which can be rotated about a switching axis relative to the outer shell, the discharge opening being in an open rotary position is arranged flush with the discharge opening of the outer shell and is covered by the outer shell in a closed rotational position. With such a design, it is therefore provided that the prevention or enabling of the discharge depends on the relative rotational position of the discharge opening and the discharge opening. Alternatively, in a second configuration, a generic discharge head has a screen body which is arranged within the outer shell and can be rotated about a switching axis relative to the outer shell, the screen body having a blocking section which, in a closed rotational position, is arranged between the discharge opening and the discharge opening in the outer shell and releases the discharge opening in an open rotary position. With such a design Accordingly, it is provided that the discharge opening and the discharge opening are always aligned and the prevention or enabling of the discharge depends on the position of a blocking section that can be positioned between them.

Discharge heads of the type described or similar are from the documents EP 2707311 B1 and US8777061B1 famous.

TASK AND SOLUTION

The object of the invention is to increase security against unintentional discharge in a generic dispenser or discharge head and in particular to ensure a child safety function.

This object is achieved by a discharge head which, in accordance with the generic discharge head described at the outset, has on the one hand an outer shell with a discharge opening and on the other hand an inner body or screen body which is arranged on the inside of the outer shell and can be rotated about a switching axis relative to the outer shell. It does not matter whether the outer shell or the diaphragm body or inner body remains non-rotatably relative to a liquid reservoir to which the discharge head is coupled during rotation. The discharge opening, which is preferably in the form of a discharge nozzle with a spray opening and/or a turbulence device, is preferably provided in a rotationally fixed manner with respect to the outer shell in the case of a design with a diaphragm body, and is preferably provided on this inner body in a design with an inner body and is therefore rotatable in relation to the outer shell.

According to the invention, a releasable snap-on coupling is provided, by means of which the outer shell on the one hand and the inner body or the visor body on the other hand can be rotationally coupled in the closed rotary position, so that the open rotary position can only be reached again after manual application of force to a release surface of the releasable snap-on coupling.

In the context of the invention, a snap coupling is understood to mean a coupling device which, when the inner body or cover body rotates relative to the outer shell, when a closed rotary position is reached, suddenly assumes a coupled state by mechanically relieving a previously prestressed latching section, which cannot be restored again solely by the application of an opposing torque is resolvable. If the discharge head in these has been brought to the closed state, it requires the preferably radial and / or axial application of force to the release surface in order to elastically deflect said locking section again, so that a reverse rotation in the direction of the open rotary position can then be achieved. The snap coupling is preferably designed in such a way that an audible noise is generated when the closed rotary position is reached and/or when the open rotary position is reached, so that the user can acoustically and possibly also haptically detect when the respective end position has been reached.

According to the first configuration mentioned, it is provided that the discharge is made possible and prevented by the relative rotatability of the inner body and thus the discharge opening in relation to the outer shell. In this case, it is preferably provided that the inner body has an outer peripheral shell section and a line section which is integrally connected thereto and protrudes into an inner region of the shell section and through which the discharge channel passes.

The shell section is preferably the carrier of the elements of the snap coupling provided on the inner body. Furthermore, a gripping surface is preferably provided on the shell section for the purpose of manually rotating the inner body relative to the outer shell. The line section protrudes into an interior area and, together with the discharge channel, encompasses the supply line to the discharge opening. The discharge opening can be provided in one piece on the inner body or can be formed by a separate component in a manner that will be explained below.

With the exception of the components directly associated with the snap-on coupling, the shell section is preferably designed only to be rotatable relative to the outer shell, while the line section is also designed to be depressible. For the purpose of limited mobility of the line section, a deformable connection area is preferably provided, which acts as a kind of joint and is provided between the shell section and the line section. The connection area is preferably formed by at least one thin-walled plastic bridge, which is elastically deformed when pressed down.

The line section is preferably designed to be coupled directly to a valve tube of a pressure accumulator and for this purpose has a liquid inlet aligned with the switching axis. The valve tube is preferably inserted into this. An axial displacement of the liquid inlet leads to the valve tube being pressed in and thus to the valve opening.

The line section can be directly accessible from the outside, so that it can be pressed down by direct application of force to an upper side of the line section. However, a configuration is advantageous in which the outer shell has the depressible actuating handle, in particular in the form of an actuating surface which is arranged on the upper side and can be pressed in downwards. This acts indirectly on the line section. The line section is thus subjected to a downward force by the operating handle of the outer shell.

In the second configuration mentioned, it is provided that a screen body is provided which, depending on its rotational position relative to the outer shell, is arranged between the discharge opening and the discharge opening and can prevent liquid discharge there. In such a configuration, the shutter body is preferably provided with an outer peripheral shell portion which, unlike the first configuration, is not rotatable in unison with the discharge port. Instead, the discharge opening in this configuration is preferably provided in a rotationally fixed manner with respect to the outer shell and a discharge opening provided therein. For this purpose, a line section is particularly preferably provided in one piece on the component forming the outer shell. Similar to the above-mentioned line section in the first configuration, this line section is penetrated by the discharge channel which supplies the discharge opening with liquid. As already described, the discharge opening can be defined in one piece in the line section or can be formed by a separate component.

In this second configuration, a depressible operating handle is preferably provided on the outer shell. The line section is preferably connected in one piece to the actuating handle. This line section preferably also has a liquid inlet which is aligned with the switching axis and acts on a valve tube of the liquid reservoir in the manner described above.

The snap coupling provided according to the invention is designed to couple the inner body in the case of the first configuration or the visor body in the case of the second configuration on the one hand and the outer shell on the other hand in the closed rotary position in such a way that a mere application of torque in the direction of the open rotary position is not sufficient to move the closed rotary position to leave. In order to restore the ability to rotate, an additional force must be applied to the release surface. The coupling in the closed position is achieved in particular in a form-fitting manner, preferably by latching in a primarily radial direction in relation to the shifting axis. In principle, however, partial or complete axial locking is also possible.

The latching takes place in that a section which is elastically deflected from its basic position during the movement into the closed rotary position snaps into a recess of a holding profile or a holding opening, forming the said form fit. The elastically deflected section can be provided on the outer shell and/or on the inner body or visor body.

In a preferred embodiment, the snap-on coupling is formed by a latching extension that protrudes outwards from the inner body or the visor body and can be elastically deflected radially inward, as well as a corresponding holding opening or holding profile on the outer shell.

The release surface is preferably formed by an end face of said latching extension, so that a separate release surface can be dispensed with. The latching extension is therefore immediately acted upon manually in order to disengage it from the holding recess or holding opening so that the open rotary position can then be reached again. However, constructions are also possible in which the release surface is separated from the latching extension and indirectly applies a force to it.

A particularly advantageous design provides that the holding opening or holding recess, into which the latching extension jumps when it reaches the closed rotary position, is formed by the discharge opening itself. In order to reach the open rotary position starting from the closed rotary position, the user first presses on the latching extension arranged in the discharge opening, so that it is pushed inwards out of the discharge opening. Then the rotary movement into the open rotary position is possible.

However, the holding opening or holding profile can also be provided separately from the discharge opening, in particular on the side of the outer shell facing away from the discharge opening.

The latching extension is preferably provided on a radially deflectable surface section which is provided via a tangentially aligned deformation area on an adjacent section of the inner body or the visor body.

In order for the latching extension to snap into the corresponding holding opening or holding profile when the closed rotary position is reached, it must first be elastically prestressed. One possibility for this is that the latching extension is always elastically prestressed when it is not snapped into the closed rotational position. However, this comes with the risk that the elasticity degrades over time due to relaxation. It is therefore preferred that the latching extension is also at least partially relaxed in the open rotary position and is tensioned during a rotary movement in the direction of the closed rotary position before the closed rotary position is reached. In order to achieve this, an insertion bevel is preferably provided on an inside of the outer shell or on an outside of the inner body or the visor body and/or on the latching extension, by means of which the latching extension is elastically deflected, in particular radially inwards or outwards, when the inner body or the visor body is moved relative to the outer shell in the direction of the closed rotary position.

Preferably, the outer shell is secured on the inner body or on the visor body not only in the closed rotary position, but also in the open position. However, while the security in the closed rotary position cannot be overcome solely by a rotary movement, the security in the open rotary position can preferably be overcome solely by a rotary movement against an increased resistance moment. For this purpose, the visor body or the inner body and the outer shell preferably have cooperating holding means which bring about the securing in the open rotary position. Said latching extension, which is also part of the snap-on coupling, is preferably also part of these holding means. In particular, it preferably jumps into a recess when the open rotary position is reached and generates an audible noise, which the user interprets as confirmation that the open rotary position has been reached.

The described securing in the open rotary position reduces the risk of erroneous discharge, which could occur if the outer shell and the inner body/visor body are unintentionally in a position a few degrees away from the open rotary position.

Both configurations mentioned, with an inner body or with a diaphragm body, have the effect that the discharge opening is visible through the discharge opening in the outer shell in the open rotary position and is not visible in the closed rotary position, either because the discharge opening in the closed rotary position is arranged offset to the discharge opening (first configuration with inner body) or because the blocking portion of the orifice body is disposed between the discharge opening and the discharge hole (second configuration with orifice body).

This is preferably also used to make it possible for the user, by means of a color coding, to quickly identify the rotary position in which the discharge head is currently located. Therefor It is preferably provided that the discharge opening is formed by a discharge opening component, such as in particular a nozzle component, the discharge opening component having a different color than the inner body or the diaphragm body. In particular, the discharge opening component can be designed in green and the inner body or the diaphragm body can be designed in red. In the open rotary position, the discharge opening component can be seen through the discharge opening and signals the readiness for discharge with the green color. In the closed rotary position, only the inner body or the screen body can be seen through the discharge opening, which signalizes with its red color that the discharge head is currently blocked.

In a discharge head according to the invention, it is provided that in the closed rotary position the discharge is prevented at least by the fact that liquid discharged through the discharge opening cannot escape through the discharge opening, either because the discharge opening and the discharge opening are not aligned (first configuration) or because there is a gap between the two Aperture is arranged (second configuration).

However, it is preferably provided that the twisting into the closed rotary position also prevents the discharge in an additional way.

Particularly preferably, it can be provided that the inner body or the visor body is matched to the outer shell in such a way that in the closed rotary position, pressing down an actuating handle of the outer shell is blocked. This can be done in particular by arranging the line section in the closed rotary position above a blocking section, which acts as a stop and thereby prevents the line section from being pressed down.

Another way of preventing or impeding the discharge in the closed rotary position can be achieved if the outer shell has a free area on the side facing away from the discharge opening for lateral accessibility of an actuating handle and the inner body or the cover body also has a free area for lateral accessibility of the Operating handle has. In the open rotary position, the free areas are arranged in an overlapping manner, so that the actuating handle can be accessed from the side and pressing it down with a finger arranged laterally on the discharge head is easy. In the closed rotational position, on the other hand, the free areas are offset from one another, so that lateral accessibility is impeded. Even if viewed in isolation this does not reliably prevent actuation, it makes it clear to the user that the discharge in the closed rotary position is not intended.

As described, it is provided that, for the purpose of changing, the inner body or the cover body is rotated about the switching axis relative to the outer shell. Although it is not important for the described mode of operation which of the components remains non-rotatably to a liquid reservoir, it is preferred that the outer shell is non-rotatably attached to a liquid reservoir in a positive or non-positive manner, so that this liquid reservoir is held and on the other hand, the inner body or the panel body can be rotated in relation thereto.

The manual application of force to the inner body or the visor body preferably takes place in the direction of rotation by means of a gripping surface provided thereon, which is designed to be easy to grip, in particular by structuring the surface. If the latching extension is latched with a holding profile, it can be advantageous to provide the gripping surface directly on the latching extension. If, however, a holding opening is provided with which the latching extension latches as intended, the gripping surface for rotating the inner body or the visor body is preferably provided separately from the latching extension and/or the release surface and is preferably provided opposite the release surface. The opposed arrangement makes it particularly difficult for children to simultaneously apply force to the release surface and the gripping surface for the purpose of transition to the pivoted open position.

In addition to the discharge head itself, the invention also relates to a liquid dispenser with such a discharge head. In addition to the discharge head, this liquid dispenser has a liquid reservoir to which the discharge head is attached.

Such a dispenser can be designed in particular for dispensing pharmaceutical liquids or personal care products as well as disinfectants and cleaning agents and, when ready for use, has a liquid reservoir filled with such a liquid.

In particular, the liquid reservoir is preferably designed as a pressure reservoir, ie it is already under pressure, for example due to compressed air or a propellant, before it is put into operation. In particular, the liquid reservoir preferably has an outlet valve which can be actuated by means of the inner body or a line section attached to the outer shell. For this purpose, the outlet valve preferably has a depressible valve tube, which opens the outlet valve when depressed. This valve tube is preferably inserted into the above-described liquid inlet of the line section and can be depressed by it.

The discharge head described makes it more difficult to unintentionally discharge liquid due to its secured closed rotary position, especially if a dispenser with such a discharge head gets into the hands of children. However, such a child safety device is only sufficiently secure if it is difficult to remove the discharge head as a whole from the liquid reservoir.

It is therefore preferably provided that the discharge head and in particular its outer shell is connected to the liquid reservoir in such a way that a separating force of 100 Newtons is not sufficient to remove the discharge head from the liquid reservoir. In particular, it can be a snap connection that ensures this. In particular, it can also be expedient to design the connection in such a way that it cannot be detached without being destroyed. In such a case, a separation of the discharge head and liquid reservoir is only possible with the risk of destruction, in particular by the holding sections of the discharge head being bent or broken. This is usually only possible with a force that cannot be applied, at least by small children.

BRIEF DESCRIPTION OF THE DRAWINGS

• Fig. 1 zeigt einen erfindungsgemäßen Flüssigkeitsspender mit einem erfindungsgemäßen Austragkopf in einer Gesamtdarstellung.
• Fig. 2 bis 5 zeigen eine erste Variante des Austragkopfes in einem gesicherten Schließzustand (Fig. 2 und 3) sowie in einem Öffnungszustand (Fig. 4 und 5).
• Fig. 6 zeigt die Bauteile des Austragkopfes der Fig. 2 bis 5 in getrennter Darstellung.
• Fig. 7A bis 7D zeigen den Austragkopf der Fig. 2 bis 6 in einer geschnittenen Darstellung beim Übergang aus dem Schließzustand in den Öffnungszustand.
• Fig. 8 bis 11 zeigen einezweiteVariante des Austragkopfes in einem gesicherten Schließzustand (Fig. 8 und 9) sowie in einem Öffnungszustand (Fig. 10 und 11).
• Fig. 12 zeigt die Bauteile des Austragkopfes der Fig. 8 bis 11 in getrennter Darstellung.
• Fig. 13 bis 16 zeigen eine dritte Variante des Austragkopfes in einem gesicherten Schließzustand (Fig. 13 und 14) sowie in einem Öffnungszustand (Fig. 15 und 16).

Further advantages and aspects of the invention result from the claims and from the following description of preferred exemplary embodiments of the invention, which are explained below with reference to the figures.

• 1 shows a liquid dispenser according to the invention with a discharge head according to the invention in an overall view.
• Figures 2 to 5 show a first variant of the discharge head in a secured closed state ( Figures 2 and 3 ) as well as in an open state ( Figures 4 and 5 ).
• 6 shows the components of the discharge head Figures 2 to 5 in separate representation.
• Figures 7A to 7D show the discharge head of Figures 2 to 6 in a sectional view during the transition from the closed state to the open state.
• Figures 8 to 11 show a second variant of the discharge head in a secured closed state ( Figures 8 and 9 ) as well as in an open state ( Figures 10 and 11 ).
• 12 shows the components of the discharge head Figures 8 to 11 in separate representation.
• Figures 13 to 16 show a third variant of the discharge head in a secured closed state ( 13 and 14 ) as well as in an open state ( Figures 15 and 16 ).

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS

1 shows a liquid dispenser 100 according to the invention in an overall view.

The liquid dispenser 100 has a liquid reservoir 102, which in the present case is in the form of a pressure reservoir, in which a pharmaceutical liquid or a personal care product is stored under pressure. The liquid reservoir 102 is closed by a crimp cover. It has an outlet valve 104 with a valve tube 106. By depressing this valve tube 106, based on 1 downwards, the outlet valve 104 can be opened so that liquid flows through the valve tube 106 into a discharge head 10 which is fastened to the crimped cover by means of a snap-in connection.

The discharge head 10 has a liquid inlet 16 which is pushed onto the valve tube 106 . Starting from the liquid inlet 16, a discharge channel 12 extends to a discharge opening 14, which is preferably designed as a spray opening and can be provided with an upstream turbulence chamber in order to cause the turbulence of the exiting fluid and thus the generation of a spray jet.

A line section 44 of the discharge head 10 can be depressed from top to bottom by manual application of force. This also depresses the liquid inlet, which thereby presses the valve tube 106 downwards and thereby opens the outlet valve 104 .

The construction of the in 1 Discharge head 10 shown only as an example in more detail.

When designing the Figures 2 to 7D the discharge head 10 has an outer shell component 20 and an inner body 40 inserted therein. In addition, a discharge opening component 90 is provided, which is inserted into a corresponding recess of the inner body 40.

The outer shell component 20 is provided for latching attachment to the liquid reservoir 102 . A coupling collar 21, on which coupling devices provided for this purpose are provided on the inside, always remains stationary to the liquid reservoir 102 during operation and is separated from it can only be removed with strong tensile force and preferably not non-destructively. From the coupling collar 21 there extends upwards a jacket section 23 which is not completely circumferential and which is penetrated by a discharge opening 22 . On the inside of this jacket section 23, an actuating handle 30 is formed in one piece, which is attached to the jacket section 23 only by means of a narrow bridge and is thus elastically depressible relative to the jacket section 23.

The already mentioned inner body 40 is inserted into the outer shell component 20 . This inner body 40 has an outer peripheral shell section 42 and a line section 44 integrally connected thereto. The already described components of the liquid inlet 16, the discharge channel 12 and the receptacle for the discharge opening component 90 are provided in this line section 44. Line section 44 is formed in one piece on a partial section which can be pressed down by elastic deformation in relation to the surrounding sections of shell section 42, so that a force acting on actuating handle 30 is passed on to line section 44 and line section 44 in turn presses valve tube 106 to open the valve Valve can depress.

Also provided on the shell section 42 of the inner body 40 is a latching extension 66 which can also be deflected relative to adjacent subsections of the shell section 42 by means of free cuts. This latching extension 66 has an end face 62 which, in a manner to be described below, simultaneously represents a release face 62 . This release surface 62 is provided with an insertion bevel 64 on one side. Furthermore, the shell section 42 has a gripping surface 48 approximately opposite the latching extension 66, the use of which will be explained below.

In the assembled condition shown in the Figures 2 to 5 is shown, the inner body 40 is inserted into the outer shell component 20 from below and is rotatable about a switching axis 2 therein. With the exception of the partial sections 66 , 44 , 30 provided for limited mobility on these two components, the outer shell component 20 and the inner body 40 can be moved relative to one another purely in rotation about the switching axis 2 . They have corresponding guide surfaces for this.

In the Figures 2 and 3 a closed state of the discharge head 10 is shown. In this closed state, the inner body 40 and the outer shell component 20 are in one position relative to one another closed turning position. In this closed rotational position, the latching extension 66 is arranged within the discharge opening 22, which thereby forms a holding opening 68 of the snap coupling 60. How out 6 can be seen, which shows the same rotational position of the inner body 40 to the outer shell component 20, the discharge opening 14 is not arranged in alignment with the discharge opening 22 in this position, so that for this reason alone discharge is not possible. In addition, discharge in this position is made more difficult by the fact that the actuation handle 30 is prevented from being pressed down by a blocking section 41 of the inner body 40 . In addition, a cut-out free area 46 in the inner body 40 in the closed state Figures 2 and 3 offset by 90° with respect to a corresponding free area 26 of the outer shell component 20, so that it is obvious to the user that actuation should not take place in this rotational position.

In order to place the discharge head in an open state in which discharge is then possible by actuating the actuating handle 30 , the inner body 40 must be rotated counterclockwise by about 90° with respect to the outer shell component 20 . However, this is only possible if the latching extension 66 has been disengaged from the discharge opening 22 by direct manual application of force to its release surface 62 . this is in 3 indicated with an arrow. It is therefore intended that with reference to 2 the user presses the latching extension 66 radially inwards and in this state makes the relative rotation which is shown in figure 5 is indicated with an arrow. For the purpose of relative rotation, the previously described gripping surface 48 is provided, which is displaced counterclockwise by the user. The detent extension 66 is thereby removed from the discharge opening 22, while the discharge opening 14 is brought into alignment with the discharge opening 22. the Figures 4 and 5 show the opening state achieved in this way. In this state, liquid discharge by depressing the operating handle 30 is then possible. The pressing down also indirectly causes the line section 44 of the inner body 40 to be pressed down and thus the valve tube 106 to be pressed down.

If the discharge head 10 is to be brought back into its secured closed state after use, the gripping surface 48 is rotated clockwise. During the transfer, the latching extension 66 is pressed radially inward through the inside of the outer shell component 20 by means of its insertion bevel 64 until it snaps back into the discharge opening 22 in the region of the latter. As a result, the secured initial state of the Figures 2 and 3 achieved.

Based on the sectional views of the Figures 7A to 7D is again the transfer from the closed rotational position of the Figure 7A according to the Figures 2 and 3 in the opening rotary position Figure 8D according to the Figures 4 and 5 clarified. Starting from the closed rotational position is the

Locking projection 66 is manually pressed inwards from the discharge opening 22, as indicated by the arrow in FIG Figure 7B clarified. While the latching extension 66 is still being pushed inwards manually, the user begins the rotary movement by applying force to the gripping surface 48 as shown in FIG Figure 7C clarified. When the open rotary position is reached, the latching extension 66 snaps into an inside recess of the outer shell component 20 . This makes a noise and signals the user that the rotation has been sufficiently far. In addition, the engagement of the latching extension 66 in the depression 28 also leads to a safeguard against leaving the open state too easily.

The design of Figures 8 to 12 is largely similar to the previous embodiment. The differences are explained below. For the rest, the characteristics apply as for the Figures 2 to 7D described.

The discharge head 10 according to Figures 8 to 12 also has an outer shell component 20 and an inner body 40 . Deviating from the prescribed design, however, no latching extension is provided which protrudes into the discharge opening 22 in the closed state. Instead, a section on which the gripping surface 48 is provided simultaneously forms the latching extension 66 and its end face 62. In order to form a snap coupling 60 with this, a holding profile 70 is provided in the free area 26 of the outer shell component 20. In the secured closed state of the Figures 8 and 9 the latching extension 66 is positioned so far radially on the outside that a rotary movement in the direction of an open rotary position is prevented by a pinnacle 72 of the holding profile 70 . Only when the latching projection 66 is pushed in by radial application of force to the gripping surface 48 can the rotational movement from the closed state of the by means of the same gripping surface and a now tangential additional application of force Figures 8 and 9 in the opening state of the Figures 10 and 11 be effected. The arrows in the Figures 9 and 11 illustrate indentation and twisting.

The opposite movement into the secured state is in turn facilitated by an insertion bevel 74, which in this case is not provided on the latching extension 66 but on the pinnacle 72.

In this second embodiment, the secured state is secured in almost the same way as in the first embodiment, as far as preventing an unintentional opening, for example in luggage, is concerned. With regard to child safety, however, is the embodiment of the Figures 2 to 7D more suitable because of the required simultaneous application of force there mutually opposite elements of the latching extension 66 and the gripping surface 48 achieving the opening rotary position is difficult for children. With a suitable design of the holding profile 70 and the locking extension 66 in the embodiment of Figures 8 to 12 However, operation by children is made at least significantly more difficult, particularly when pressing in the gripping surface in order to release the snap connection requires an operating force in excess of 20 N.

the Figures 13 to 16 shows an alternative construction. Corresponding to the previous exemplary embodiments, an outer shell component 20 is also provided here, which has a discharge opening 22 through which liquid which has previously been discharged through the discharge opening 14 located behind it can be discharged. Deviating from the above embodiments is in the embodiment of Figures 13 to 16 however, no inner body with a line section is provided, but rather a screen body 50 which is coupled to the outer shell component 20 so as to be rotatable about a switching axis 2 in a manner similar to the inner body described above.

In this design, the line section with the discharge opening 14 is not provided such that it can rotate with respect to the outer shell component 20 , but in such a way that the discharge opening 14 is always aligned with the discharge opening 22 . In order to nevertheless be able to prevent a discharge, the diaphragm body 50 closes in the closed rotary position 13 and 14 the discharge opening 22 by means of a blocking section 52. For this purpose, a gap is provided between the inside of the discharge opening 22 and the discharge opening 14.

The visor body 50 is in the same way as the inner body 40 of the embodiment of the Figures 8 to 12 secured on the outer shell component 20 in the closed rotational position, namely by a latching extension 66, the end face 62 of which forms a gripping surface 48.

To the discharge head 10 from its closed rotational position 12 and 13 in its open rotary position 14 and 15 to bring, the latching extension 66 must in turn be displaced by radial application of force to its release surface 62 in such a way that the latching extension 66 can then be guided past the pinnacle 72 of the holding profile 70 . The arrows in 13 clarify this. As a result of this movement, a recess 56 of the orifice body 50 passes between the discharge opening 14 and the discharge opening 22, so that discharge is possible through this opening in the open rotary position.

Claims (15)

Discharge head (10) for discharging liquid with the following features: a. the discharge head (10) can be manually switched between a secured and a released state, the discharge of liquid being prevented in the secured state and the discharge of liquid being enabled in the released state, and b. the discharge head (10) has a discharge channel (12) and a discharge opening (14) at one end of the discharge channel (12), and c. the discharge head (10) has an outer shell (20) with a discharge opening (22) through which the liquid discharged through the discharge opening (14) can be discharged, i.e. the discharge head (10) has - an inner body (40) on which the discharge opening (14) is provided and which can be rotated about a switching axis (2) relative to the outer shell (20), the discharge opening (14) being aligned with the discharge opening (22) of the outer shell in an open rotary position (20) is arranged and is covered by the outer shell (20) in a closed rotational position, or - a screen body (50) which is arranged within the outer shell (20) and can be rotated about a switching axis (2) relative to the outer shell, the screen body (50) having a blocking section (52) which, in a closed rotary position, is between the discharge opening (14) and the discharge opening (22) is arranged in the outer shell (20) and releases the discharge opening (22) in an open rotary position, characterized by the following additional feature: e. a detachable snap-on coupling (60) is provided, by means of which the outer shell (20) on the one hand and the inner body (40) or the visor body on the other hand can be rotationally coupled in the closed rotary position, so that the open rotary position can only be reached after manual force has been applied to a release surface (62) of the detachable snap coupling (60) can be reached again. Discharge head according to claim 1 with the following additional feature: a. the inner body (40) has an outer peripheral shell section (42) and a line section (44) which is connected to it in one piece and protrudes into an inner area of the shell section (42), through which the discharge channel (12) penetrates, preferably with at least one of the following additional ones Characteristics: b. the line section (44) can be displaced in relation to the shell section (42) by deforming a connection area (43), and/or c. the line section (44) has a liquid inlet (16) which is aligned with the switching axis (2). Discharge head according to claim 2 with the following additional feature: a. on the outer shell (20) there is a depressible actuating handle (30) which, when actuated, applies a force to the line section (44) of the inner body (40). Discharge head according to claim 1 with the following additional features: a. the visor body (50) has an outer peripheral shell portion (54), and b. a line section (24) through which the discharge channel (12) penetrates is provided in one piece on the outer shell (20), preferably with at least one of the following additional features: c. an actuating handle (30) that can be pressed down is provided on the outer shell (20), on which the line section (24) is provided, and/or i.e. the line section (24) has a liquid inlet (16) which is aligned with the switching axis (2). Discharge head (10) according to one of the preceding claims with the following additional feature: a. The snap-on coupling (60) is held by a latching extension (66) which protrudes outwards from the inner body (40) or the cover body (50) and can be elastically deflected radially inwards, as well as a corresponding holding opening (68) or holding profile (70) on the outer shell (20 ) educated, preferably with at least one of the following additional features: b. the release surface (62) is formed by an end face of the outwardly projecting latching extension (66), and/or c. the holding profile (70) is provided on the side of the outer shell (20) facing away from the discharge opening (22), and/or i.e. the latching extension (66) is provided on a radially deflectable surface section which is provided via a tangentially aligned deformation area on an adjacent section of the inner body (40) or the visor body (50), and/or e. An insertion bevel (64, 74) is provided on an inside of the outer shell (20) and/or on the latching extension (66), by means of which the latching extension (66) is elastically deflected radially inwards when the inner body (40) or the visor body (50) is transferred into the closed rotational position relative to the outer shell (20). Discharge head (10) according to claim 5 with the following additional feature: a. the retaining aperture (68) of the outer shell is formed by the discharge aperture (22). Discharge head according to one of the preceding claims with the following additional feature: a. the visor body (50) or the inner body (40) and the outer shell (20) have cooperating holding means which secure the rotary position in the open rotary position and only allow rotation into the closed rotary position if a maximum counter-torque is simultaneously overcome. Discharge head according to one of the preceding claims with the following additional feature: a. the discharge opening (14) is formed by a discharge opening component (90), the discharge opening component (90) having a different color than the inner body (40) or the screen body, preferably with at least one of the following characteristics: b. the discharge opening component (90) has the material color green or red, and/or c. the inner body (40) or the panel body (50) has the material color red or green. Discharge head according to one of the preceding claims with the following additional feature: a. the inner body (40) or the visor body (50) is matched to the outer shell (20) in such a way that in the closed rotary position, pressing down an actuating handle of the outer shell (20) is blocked. Discharge head according to one of the preceding claims with the following additional features: a. on the side facing away from the discharge opening, the outer shell (20) has a free area (26) for lateral accessibility of an actuating handle (30), and b. the inner body (40) or the visor body (50) has a free area (46) for lateral accessibility of the actuating handle (30), and c. the free areas (26, 46) of the outer shell (20) and the inner body (40) or the visor body (50) are arranged overlapping in the open rotary position, so that the lateral accessibility of the actuating handle is given, and in the closed rotary position are arranged offset to one another, so that lateral accessibility is impeded. Discharge head according to one of the preceding claims with the following additional feature: a. the inner body (40) or the visor body (50) has a gripping surface (48) for rotating the inner body (40) or the visor body (50) relative to the outer shell (20), preferably with the following additional feature: b. the gripping surface (48) is provided separately from the release surface (62) and preferably opposite the release surface (62) in the closed rotational position. Discharge head according to claim 11 with the following additional feature: a. the gripping surface (48) is provided on the same side as, preferably identical to, the release surface (62). Liquid dispenser (100) for dispensing liquids with the following feature: a. the liquid dispenser (100) has a liquid reservoir (102) and a discharge head (10), characterized by the following additional feature:
b. the discharge head (10) is designed according to one of the preceding claims. Liquid dispenser (100) according to claim 13 with at least one of the following additional features: a. the liquid reservoir (102) is designed as a pressure reservoir and/or b. the liquid reservoir (102) has an outlet valve (104) which can be actuated by means of the inner body (40) or a line section (24) attached to the outer shell (20). Liquid dispenser (100) according to claim 13 or 14 with the following additional feature: a. the discharge head (10) is connected to the liquid reservoir (102) in such a way - that a separating force of 100 Newtons is not sufficient to deduct the discharge head (10) from the liquid reservoir (102), and/or - That a separation of discharge head (10) and liquid storage (102) is only possible with destruction.

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