CN106102924B

CN106102924B - Shower head with jet disk holding device

Info

Publication number: CN106102924B
Application number: CN201480064448.8A
Authority: CN
Inventors: F.梅勒
Original assignee: Hansgrohe SE
Current assignee: Hansgrohe SE
Priority date: 2013-11-25
Filing date: 2014-11-25
Publication date: 2020-07-07
Anticipated expiration: 2034-11-25
Also published as: DE102013224053A1; EP3074140B1; EP3074140A1; CN106102924A; WO2015075255A1

Abstract

The invention relates to a shower head comprising a body (1), a jet disk (2) and a jet disk holder for holding the jet disk on the body. The inventive shooting plate holding device has a first holding part (8 a, 8 b) for fastening a central region (2 a) of a shooting plate to the body in the center of an associated holding position, and has a second holding part (9 a, 9 b) for fastening a peripheral region (2 b) of the shooting plate to the body in the periphery of the associated holding position, wherein the two holding parts are designed to be brought into their respective holding positions during a common mounting process. Such as for sanitary hand shower and overhead shower showerhead applications.

Description

Shower head with jet disk holding device

Technical Field

The invention relates to a shower head having a body, a jet disc and a jet disc holding device for securing the jet disc to the body. Shower heads of this type are suitable, for example, for sanitary shower installations, such as hand-held showers and overhead showers.

Background

A shower head has been disclosed in which the shooting plate holding means comprises a bolt which is inserted from the outside through a central hole in the shooting plate and screwed into a central thread on the body in order to subsequently hold the shooting plate on the body with the bolt head of the bolt.

The utility model document DE 8500209U 1 discloses a hand-held shower device with a shower head for which, instead of a screw fastening device which is regarded as a disadvantageous center, the jet disk forms the bottom of a bowl-shaped part which is inserted with its wall on an associated part of the shower head housing and is provided internally with projections and/or depressions which engage into corresponding depressions and/or projections which are provided in the peripheral region of the housing part.

Disclosure of Invention

As a technical problem, the present invention is based on the provision of a shower head that achieves a further improved fastening of the shooting disk on the body.

The present invention solves the problem by providing a shower head. In the case of this shower head, the sabot holding device has a first holder according to the first aspect for securing the central region of the sabot on the body in the center of the associated holding position, and the sabot holding device has a second holder for securing the peripheral region of the sabot on the body in the periphery of the associated holding position. The two holding elements are set up in such a way that they are brought into their holding position in a common mounting process.

With a shower head according to the invention, the shooting plate is thus held not only in the central region of the shooting plate on the body but also in the peripheral region of the shooting plate on the body of the shower head, which improves the stability of the fixing of the shooting plate on the body compared to a central fastening only or a peripheral fastening only. This can be advantageous in particular for shower heads having a relatively large-area jet disk and/or for shower heads which are operated with relatively high water pressures. On the other hand, the shooting plate on the body is fastened by the special design of the holder without requiring a different mounting process. The fastening of the shooting disk is rather carried out in a single mounting process, by means of which not only the central first holder but also the peripheral second holders jointly enter their respective holding positions.

According to another aspect of the invention, the sabot holding device has a safety pin that secures against removal of the sabot from the body. This prevents the shooting plate from inadvertently loosening from the body or being removed from the body without authorization.

In a further development of the invention, the first holder and/or the second holder is/are embodied as a bayonet holder or a screw holder or a clip holder. This describes a structurally simple and functionally reliable alternative to the fastening of the shooting disk on the body. In a further embodiment, both holders are embodied as bayonet holders or bolt holders or clip holders and are therefore embodied as the same type of fastening. This can simplify manufacturing and/or installation.

In a further embodiment of the invention, the first holder and/or the second holder comprise: a shooting-disk-side holding element on the shooting disk; and a housing-side counterpart holding element on the body, which cooperates with the holding element. This describes a suitable implementation of the respective holder. In a further embodiment of the invention, the housing-side mating holding element of the first and/or second holding part is arranged on a housing part which forms the body or a part of the body or on an intermediate plate which is accommodated in the housing part. The former can keep the structural expenditure low, while the latter can be suitable, for example, in applications where the intermediate plate fulfills an additional function, for example as a distributor plate, in order to be able to guide the water introduced into the shower head into different outlet chambers in front of the jet disk.

In a further embodiment of the invention, the safety lock comprises a locking pin receptacle on the shooting plate and a locking pin held on the shower head body, in which the locking pin can be accommodated in a manner secured against removal. This describes a structurally and functionally advantageous realization of the safety lock.

Drawings

Advantageous embodiments of the invention are shown in the drawings and described below. Shown here are:

fig. 1 shows a schematic longitudinal section through a shower head with a central and peripheral screw connection of the jet disk and the housing part;

FIG. 2 shows a perspective exploded view of the showerhead of FIG. 1;

FIG. 3 shows a schematic longitudinal section of a shower head with central and peripheral clip fastening of the shooting disk on the housing part;

FIG. 4 shows a perspective exploded view of the showerhead of FIG. 3;

FIG. 5 shows a schematic longitudinal section of a showerhead with a central jet disk fastening on the intermediate disk;

FIG. 6 shows a perspective exploded view of the showerhead of FIG. 5;

figure 7 shows a longitudinal section of a shower head with central and peripheral snap fastening of the jet disk on the cartridge insert;

FIG. 8 shows a perspective view of the cartridge insert of FIG. 7; and

fig. 9 shows a view corresponding to fig. 7 for an embodiment variant with a safety lock.

Detailed Description

The shower head shown schematically in fig. 1 and 2 can be used, for example, as a sanitary hand shower or overhead shower and has a body 1 and a shooting plate 2 arranged thereon. The body 1 forms in the present example a pot-shaped housing of a shower head with a cover and a side wall 1a, from which a lateral fluid inlet sleeve 3 emerges, which has an external thread 4. By means of this external thread 4, the shower head can be connected to an inlet line, such as a shower pipe or an overhead shower supply line.

In the installed state of the jet disk 2 of fig. 1, it covers the shower head housing 1 from its open underside in fig. 1 and 2 and, together with the housing 1, encloses an outlet chamber 5 into which an inlet 6 bounded by the inlet sleeve 3 opens. The injection disk 2 has in the usual manner a plurality of outlet openings 7 which are arranged in any desired pattern away from the injection disk surface 2 and extend from the outlet chamber 5 through the injection disk 2 to the outside. Thus, in use as a shower, shower water which reaches the outlet chamber 5 via the inlet end 6 is ejected from the tray 2 via an ejection opening 7 having a desired spray pattern which is determined in a desired manner by the arrangement and shaping of the ejection opening 7.

The shooting plate 2 is held on the body 1 by a shooting plate holding device having a first holding part for fastening the shooting plate 2 at the body 1 in the central region 2a at the center of the associated holding position, and having a second holding part for fastening the shooting plate 2 at the body 1 in the peripheral region 2b at the periphery of the associated holding position. Fig. 1 shows a shower head with two holders in its holding position, which corresponds to the mounting position of the jet disk 2 on the body 1, in which the shower head is in a state of operational readiness.

These central first holding elements comprise on the jet disk side a holding pin 8a which protrudes centrally inward on the jet disk inner side from the central region 2a with respect to the longitudinal axis 10 of the shower head and which is provided with an external thread on its free end region. On the body side, the central first holding part comprises a sleeve-shaped holding projection 8b, which is adapted to the holding pin 8a and protrudes centrally from the lid of the pot-shaped body 1 facing inwards, and which is provided with an internal thread, so that the holding pin 8a can be screwed with its external thread into the internal thread of the sleeve-shaped holding projection 8 b.

The peripheral second holder comprises, on the shooting-disk side, an external thread 9a which is inserted into the peripheral surface of the shooting disk 2 and, on the body side, an internal thread 9b which is inserted into the open end region of the side wall 1a of the pot-shaped body 1 and into which the shooting disk 2 can be screwed by means of its peripheral external thread 9 a.

In the present exemplary embodiment, the retaining pin 8a with an external thread thus forms a retaining element and the sleeve-shaped retaining projection 8b with an internal thread forms a counter-retaining element of the central first retaining part, which co-acts with said retaining element. Likewise, the external thread 9a on the circumferential side of the shooting plate 2 forms a retaining element and the internal thread 9b on the outer circumference of the body 1 forms a mating retaining element of the second outer retaining part, which cooperates with this retaining element. The two holding parts are therefore embodied as bolt holders in the case of the present exemplary embodiment.

The two holding parts are embodied and coordinated with one another in such a way that they can be brought into the mentioned holding position of the two holding parts during the common mounting process. In other words, for this purpose two screw connections of two screw retaining parts with corresponding thread pitch are produced, so that in order to mount the shooting plate 2 on the body 1, this shooting plate 2 is placed on the body 1 and then rotated in the direction of screwing in relative to the body 1, whereby simultaneously on the one hand the retaining pin 8a is screwed with its outer thread into the inner thread of the sleeve-shaped retaining projection 8b and on the other hand the peripheral outer thread 9a is screwed into the peripheral inner thread 9b on the body side. The mounting of the shooting plate 2 on the body 1 therefore requires only a screwing movement of the shooting plate 2 relative to the body 1.

Fig. 3 and 4 schematically illustrate another shower head according to the invention as an embodiment variant of the shower head of fig. 1 and 2, wherein for the sake of clarity the same reference numerals are used for identical and functionally equivalent elements and reference can be made to the above description of fig. 1 and 2 for this purpose. In contrast to the exemplary embodiment of fig. 1 and 2, the embodiment of fig. 3 and 4 is implemented with the aid of a clip connection instead of a screw connection. The first holder, which is centered on the shooting-disk holder, comprises a shooting-disk-side catch projection 11a and a body-side catch groove 11b that cooperates in a latching manner with said catch projection. The catch projection 11a extends inwardly in the central region 2a of the shooting plate 2 on the inner side thereof and ends with a catch nose directed radially to the outside at the free end thereof. In this example three clip protrusions 11a are arranged at equidistant circumferential intervals along a circular line around the showerhead central axis 10. In a corresponding position, the catch groove 11b, which interacts with the central catch projection 11a, is inserted into the inner side of a sleeve-shaped projection 13, which extends from the cover surface of the body 1 parallel to the longitudinal axis 10 of the shower head in the direction of the jet plate 2. Furthermore, the shooting pot holding device comprises, as peripheral second holder 3, clamping projections 12a arranged at equidistant angular intervals in the peripheral shooting pot area 2b and corresponding clamping grooves 12b, which are introduced in the inner side of the side wall 1a of the showerhead housing 1.

In order to mount the shooting plate 2 on the body 1, the shooting plate 2 is in this case inserted into the body 1 in the axial direction until both the central detent projections 11a and the peripheral detent projections 12a snap into their associated central or peripheral detent grooves 11b, 12b and the shooting plate 2 is thereby held on the body 1. The two holding means are therefore embodied in the present exemplary embodiment as clip holders and are provided as in the first exemplary embodiment for: the two holding parts are brought into their respective holding positions in a common mounting process, which here involves the axial insertion of the body 2 on or into the body 1 or in the body 1 instead of a bolt rotation. The catch projections 11a, 12a form respective pan-side holding elements with which the corresponding catch grooves 11b, 12b of the body 1 cooperate as mating holding elements.

Fig. 5 and 6 schematically illustrate a shower head in the form of a further embodiment variant of the shower head of fig. 1 and 2, wherein the same reference numerals are again used for identical and functionally equivalent elements and reference can be made to the above description of fig. 1 and 2 for this purpose. In contrast to the shower head of fig. 1 and 2, the shower head of fig. 5 and 6 has an additional intermediate plate 14.

The intermediate plate 14 divides the outlet chamber 5 into a portion 5a on the input side into which the input 6 opens and a portion 5b on the output side directly in front of the jet disk 2. The intermediate plate 14 has through-or dispensing openings 16. The fluid can be fed in a controlled manner into the inlet-side part 5a of the outlet chamber 5 and can be conveyed through the passage opening 16 into the outlet-side part 5b of the outlet chamber 5 upstream of the jet disk 2. So that different ejection patterns for the fluid ejected from the ejection disk 2 are obtained when required. For this purpose, the outlet-side section 5b of the outlet chamber 5 can be divided into a plurality of separate chambers, as desired, to which the fluid can be supplied in a controllable manner and, if necessary, in different operating modes of the shower head.

The shower head of fig. 5 and 6, like the shower head of fig. 1 and 2, has a second holder of the same outer circumference in the form of an external thread 9a arranged on the circumferential surface of the jet disk 2 and an internal thread 9b arranged on the inside in the free end region of the housing side wall 1 a. The central holding projection 15a, which is shortened in this example compared to the shower head of fig. 1 and 2, and the central threaded hole 15b in the intermediate plate 14, which holding projection 15a has an external thread projecting from the inside of the shooting plate towards the inside, act as a central first holder of the respective shooting plate holder. The two holding parts are therefore again embodied as screw holding parts, wherein the pitch of the thread for the co-action of the central first holding part 15a, 15b is also selected here in accordance with the pitch of the thread of the peripheral second holding part. For mounting, the intermediate plate 14 in the housing part 1 of the shower head can thus be first of all reinforced and then the shooting plate 2 can be screwed in tightly, wherein the shooting plate is simultaneously screwed in on the one hand with the central external thread of the projection 15a of the shooting plate into the central thread 15b of the intermediate plate 14 and on the other hand with the peripheral external thread 9a of the shooting plate into the peripheral internal thread of the housing part 1. In this case too, it is therefore possible to mount the jet disk 2 on the shower head housing 1 in a single mounting process in such a way that it is held in its central region 2a and in its peripheral region 2 b.

Fig. 7 and 8 illustrate a showerhead that implements a known multiple spray feature. For easier understanding, identical or functionally equivalent elements are again designated by the same reference numerals as in the exemplary embodiments of fig. 1 to 6, so that reference can be made to the above description for this purpose. In order to provide the mentioned multi-spray feature, the shower head comprises a body 1 in the form of a cartridge insert having a cover part 1b and a cartridge plate or intermediate plate 17 connected to the cover part on the inner side of the cover part 1 b. The cartridge insert 1 can be inserted in a shower head housing, not shown.

The outlet chamber 5 is divided by the intermediate plate 17 into a portion 5a on the inlet side between the cover 1b and the intermediate plate 17 and a portion 5b on the outlet side between the dial 2 and the intermediate plate 17. By means of a corresponding design of the inner side of the cover 1b and of the facing side of the intermediate plate 17, the part 5a of the outlet chamber 5 on the inlet side is divided into a plurality of separate water conducting paths which can be brought into fluid connection with the inlet 6, optionally by means of a switching valve 18. The switching valve 18 can be actuated by the user by means of an operating button 19. As in the case of the intermediate plate 14 in the embodiment of fig. 5 and 6, the intermediate plate 17 is provided with through-openings for the fluid connection of the inlet-side part 5a and the outlet-side part 5b of the outlet chamber 5. By means of the inner side of the jet disk and the corresponding contour of the latter on the side facing the intermediate plate 17, the outlet-side portion 5b of the outlet chamber 5 is divided into a plurality of separate chambers, into which fluid supplied by the supply 6 can be supplied in a controllable and different manner by actuating the switching valve 18, in order to obtain the desired different spray patterns for the fluid discharged by the jet disk 2 via the outlet opening 7.

The shooting plate 2 is held on the body 1 by a shooting plate holding device which again comprises a central first holding member and a peripheral second holding member. In the present example, the two holders are embodied as bayonet holders. For this purpose, for the central first holder, a bayonet catch 20, which is provided with a bayonet groove 20a on the peripheral side in the vicinity of its free end region, projects centrally from the inside of the shooting disk towards the inside. The intermediate plate 17 correspondingly has a central bore and a bayonet nose 21 which projects radially inwardly into the central bore. In order to provide a peripheral bayonet mount, the shooting disk 2 has a plurality of, for example, four radially outwardly directed bayonet projections 22 distributed on the peripheral side, with which correspondingly configured bayonet grooves 23, which are configured at a suitable angular distance to this end on the side of the peripheral portion of the intermediate plate 17 facing the shooting disk 2 in the lower part of fig. 7 and 8, cooperate in the region of the periphery of the intermediate plate 17.

Furthermore, the central

first holders

20, 21 and the peripheral

second holders

22, 23 are matched to one another in such a way that the shooting plate 2 can be fastened both in the region of the center of the shooting plate and in the region of the periphery of the shooting plate at the body 1 or at the intermediate plate 17 of the body by a common mounting movement, here a bayonet-closing movement.

Fig. 9 illustrates a shower head (which corresponds to the shower head of fig. 7 and 8 with modifications) equipped with a safety lock. The safety lock comprises a locking pin receptacle 30 in the correspondingly modified shooting pot 2, in the present example in particular in the operating button 19 of the safety lock, and the safety lock comprises a locking pin 31 which acts in the locking pin receptacle 30, wherein the locking pin receptacle 30 is realized in the present example as a through-opening in the operating button 19 of the shooting pot 2.

Preferably, the lock pin 31 is in an actuating pin receiving portion of an actuating pin 33 for switching the valve 18. The locking pin 31 can simultaneously function as an associated valve actuating pin 33 or be arranged on an axial extension of the latter and, for example, be coupled in a movable manner to the latter. The actuating pin receptacle can, for example, comprise a receptacle 32 at the underside of the body 1 of the shower head, which can be identified in fig. 8.

To mount the shooting plate 2, the locking pin 31 is inserted into the actuating pin receptacle and pressed back. Subsequently, the shooting plate 2 is abutted to the body 1 and rotated so as to create a bayonet connection. As soon as the detent receiver 30 is aligned with the return detent 31 in this mounting rotation, it can act therein and thus prevent a counter-rotation of the shooting plate 2 and thus a removal from the body 1. Furthermore, it can be provided that the locking pin 31 snaps into the locking pin receiver 30 automatically as soon as it is aligned with the locking pin receiver. Alternatively, it can be provided that the locking pin 31 is held in the pressed-back position during the installation of the shooting dish by a releasable holding mechanism and, after the completed installation, is pushed in again, for example in the case of a tool, by the release of the holding mechanism and is thus moved into the locking pin receptacle. The tool can act on the locking pin 31 through the locking pin receiver 30.

In order to detach the shooting plate 2 from the body 1, the catch 31 is pressed back, for example by means of a suitable tool, into its position releasing the catch receptacle 30 and is held in this pressed back position by means of the mentioned holding mechanism. The bayonet connection can then be released by counter-rotation of the shooting disk 2 relative to the body 1 and thereby remove the shooting disk 2 from the shower head.

As the embodiments shown and explained above clearly show, the invention provides a shower head in which the shooting disk can be placed on the body in only one mounting process and is here held in a preferably form-fitting manner securely in the region of the center of the shooting disk on the body and in the region of the periphery of the shooting disk on the body. No additional fastening between the central region and the peripheral region of the shooting pot is necessary. No additional installation process is required. On the other hand, the jet disk is held very stably and functionally reliably on the shower head body, not only in the central but also in the peripheral region, owing to its fastening, so that a reliable function of the shower head is ensured even when relatively high fluid pressures occur in the shower head and/or when a relatively large-area jet disk is used.

Although in the illustrated embodiment the central first holder and the peripheral second holder are of the same type, the invention also encompasses embodiments in which the two holders are of different types, for example one of the holders being a bayonet holder and the other being a bolt holder. It is further evident that the specific embodiment of the holder as a bayonet mount or a screw mount or a clip mount can vary from the illustrated embodiment, for which other embodiments are used, which are known to the person skilled in the art.

It is clear that the shower head according to the invention is not only suitable for use as a sanitary overhead shower or hand shower, but can also be advantageously used everywhere where there is a need for a shower head with a shooting disk mountable on the body.

Claims

1. A showerhead, having:

-a body (1);

-a shooting plate (2); and

-a shooting plate holding means for holding the shooting plate on the body,

it is characterized in that the preparation method is characterized in that,

the shot disk holding device has the following two features:

a first holder for fixing the central region of the projectile on the body in the center of the associated holding position and a second holder for fixing the peripheral region of the projectile on the body in the periphery of the associated holding position, wherein the first and second holders are embodied as bayonet or snap holders and are set up for being brought into their respective holding positions during a common mounting process; and

-a safety lock (30, 31) preventing removal of the shooting plate from the body and comprising a lock pin receptacle (30) in the form of an opening extending through the shooting plate and a lock pin (31) on the shooting plate, which lock pin is retained on the body and can be accommodated in the lock pin receptacle in a manner preventing removal.

2. The showerhead of claim 1 further characterized in that the first retaining member comprises: a shooting-disk-side holding element on the shooting disk; and a mating holding element on the housing side on the body, which cooperates with the injection-disk-side holding element.

3. Shower head according to claim 2, further characterized in that the housing-side counterpart holding element of the first holding member is provided on a housing part of the shower head forming the body or a part of the body or on an intermediate plate (14, 17) accommodated in the housing part.

4. The showerhead of claim 1 further characterized in that the second retainer comprises: a shooting-disk-side holding element on the shooting disk; and a mating holding element on the housing side on the body, which cooperates with the injection-disk-side holding element.

5. Shower head according to claim 4, further characterized in that the housing-side counterpart holding element of the second holding part is arranged on a housing part of the shower head forming the body or a part of the body or on an intermediate plate (14, 17) accommodated in the housing part.

6. Shower head according to claim 1, 2 or 4, further characterized in that the shower head is a shower head for a sanitary shower installation.