CN115803499A - Jet regulator - Google Patents

Abstract

The invention relates to a jet regulator (101) comprising a jet regulator housing (1), wherein the jet regulator housing (1) can be inserted into the outlet of a sanitary outlet fitting and surrounds a housing interior, wherein a jet splitter (2) having splitter openings (3) is provided in the housing interior, wherein the splitter openings (3) divide the water flowing through into a plurality of individual jets, and wherein the jet regulator comprises a fluid rectifier (5) which forms the outlet end face (A) of the jet regulator (101, 106, 110, 115, 118, 121), wherein the fluid rectifier (5) has a plurality of outlet openings (6), wherein a jet regulating device (4) is provided in the housing interior in the flow path between the jet splitter (2) and the fluid rectifier (5), wherein the jet regulating device (4) has a regulating web (7) which is oriented transversely to the flow direction of the water flowing through. The jet regulator (101) according to the invention is characterized in that the fluid rectifier (5) and the jet regulator device (4) can be inserted into the jet regulator housing (1) from the outlet side (A) of the jet regulator (101, 106, 110, 115, 118, 121), in that the jet regulator device (4) has at least one inner wall (8) to which the regulating web (7) is integrally formed on the flat side, and in that the fluid rectifier (5) and/or the jet regulator device (4) can be fixed in the jet regulator housing (1) by means of a form-fit or frictional fit.

Description

Jet regulator

Technical Field

The invention relates to a jet regulator comprising a jet regulator housing which can be inserted into the outlet of a sanitary outlet fitting and which surrounds a housing interior, in which a jet splitter having splitter openings is provided which divide the water flowing through into a plurality of individual jets, and comprising a flow straightener which forms the outlet end side of the jet regulator and which has a plurality of outlet openings, wherein a jet regulating device having a regulating tab oriented transversely to the flow direction of the water flowing through is provided in the housing interior in the flow path between the jet splitter and the flow straightener.

Background

DE19647798A1 discloses a jet regulator which can be attached to the outlet of a sanitary outlet fitting in order to form the exiting water into a uniform, non-splashing and, if appropriate, soft outlet jet. In order to be able to mount the previously known jet regulator on the water outlet portion of the sanitary water outlet fitting, the jet regulator is designed as an insertion cartridge, the cylindrical jet regulator housing of which, designed as a plastic injection molding, can be inserted into a sleeve-shaped water outlet mouthpiece, which has an external or internal thread that can be screwed onto a corresponding thread on the water outlet portion of the sanitary water outlet fitting. The threaded connection provided between the water outlet mouthpiece and the water outlet portion leads to a circular cross-section of the water outlet mouthpiece and the jet regulator housing which can be embedded in the water outlet mouthpiece. A jet splitter having a plurality of splitter openings spaced apart from one another is provided inside the jet regulator housing, in which splitter openings the water flowing in the water line is divided into a corresponding number of individual jets. On the water outlet side of the previously known jet regulator, a flow straightener is provided which has a plurality of water outlet openings in order to shape the individual jets which generate the turbulence in the interior of the housing and which are possibly mixed with the ambient air into uniform water jets. In order to be able to generate additional turbulence, braking and possibly mixing ambient air in the housing interior, a jet regulator is provided in the housing interior between the jet splitter and the flow straightener in the flow path, which jet regulator has a regulating tab oriented transversely to the flow direction of the water flowing through. In the case of the previously known jet regulator, the flow straightener forming the outlet end side of the jet regulator and the jet regulator are both formed by a mesh disk made of a metal braid. The screen openings of the screen disks forming the flow straightener form the water outlet openings, while the metal wires which are interlaced with one another and form the screen disks of the jet regulating device form their regulating webs. In this case, the screen disks are inserted into the housing interior of the jet regulator housing from the outlet end side, and then the outlet-side mouth edge of the jet regulator housing is bent inward by the action of heat applied to the plastic material used for the jet regulator housing, so that the screen disks are held in the jet regulator housing in a manner that cannot be lost.

EP0931199B1 discloses a jet regulator having an inflow-side jet splitter device and an outflow-side flow straightener in its jet regulator housing, wherein a jet splitter device is provided in the flow path between the jet splitter and the flow straightener. The jet regulating device of this previously known jet regulator also has a pin-shaped or tab-shaped impingement body, wherein the pin or tab serving as the impingement body either projects from the inside of at least one peripheral section of the jet regulator housing and is connected integrally thereto or projects at right angles beyond the flat side of a neck part which can be inserted into the sleeve-shaped jet regulator housing by bending. However, this previously known jet regulator is associated with considerable outlay in terms of design and production.

Disclosure of Invention

The object is therefore to provide a jet regulator of the type mentioned at the outset, the components of which can be produced as simply as possible even in the case of a relatively complex construction of the jet regulator.

The solution according to the invention of the object is achieved in particular in the case of a jet regulator of the type mentioned at the outset in that: the fluid rectifier and the jet regulator device can be inserted into the jet regulator housing from the outflow side of the jet regulator, the jet regulator device has at least one inner wall to which the regulating webs are integrally formed on the flat side, and the fluid rectifier and/or the jet regulator device can be fixed in the jet regulator housing by means of a form-fit or friction-fit.

The jet regulator according to the invention has a jet regulator housing which can be inserted into the outlet of a sanitary outlet fitting in order to form the water discharged there into a uniform, non-splashing and, if appropriate, also bubbling soft water jet. The jet regulator housing of the jet regulator according to the invention surrounds a housing interior, in which a jet splitter with splitter openings is arranged. In the splitter opening, the water flowing through is divided into a plurality of individual jets. These individual jets are additionally braked and divided in the subsequent jet regulator inside the jet regulator housing, and the water flowing through in this way is then combined again in the subsequent flow straightener to form a soft, homogeneous total jet. The flow straightener with a plurality of water outlet openings forms the water outlet side of the jet regulator. In the housing interior, a jet regulating device is arranged in the flow path between the jet splitter and the fluid rectifier, which jet regulating device has a regulating web oriented transversely to the flow direction of the water flowing through. The flow straightener and the jet regulator can be inserted into the jet regulator housing from the outlet end side of the jet regulator. In order to be able to maintain the adjusting tab in the flow path transversely to the direction of flow of the water, the jet adjusting device has at least one inner wall to which the adjusting tab is integrally formed on the flat side. The jet control web with its at least one inner wall and the control web integrally formed on the inner wall, such as, in addition, the jet control housing and the remaining components of the jet control according to the invention, can be produced in a simple manner as an injection-molded part without complex injection-molding dies being required for producing the components. In this case, the flow straightener and/or the jet regulator is fixed in the jet regulator housing by means of a form-fit or friction-fit.

In this case, according to a particularly advantageous and easily producible embodiment of the invention, provision is made for: the fluid rectifier and/or the jet regulator can be fixed in the jet regulator housing by means of a snap-on or snap-on connection. The positive connection between the fluid rectifier and/or the jet regulator on the one hand and the jet regulator housing on the other hand, which is formed by the latching or latching connection, ensures a reliable and load-bearing connection of the components of the jet regulator according to the invention.

The jet regulator according to the invention can have a jet regulator housing which is circular in cross section with a likewise circular jet outlet. However, preferred embodiments are those in which the jet regulator is designed as a rectangular or flat jet regulator and/or has a non-circular jet outlet with a greater longitudinal extent than the transverse extent.

In order to be able to position the jet regulator device in a positionally suitable manner within the jet regulator housing, it is advantageous if at least one guide groove which is open toward the water outlet side of the jet regulator is provided on the housing inner circumference of the jet regulator housing, into which guide groove the at least one inner wall can be introduced with one of its narrow edges oriented in the insertion direction.

The simple installation of the jet regulator according to the invention is additionally facilitated if the jet regulator housing has a guide groove which is open toward the outlet end on opposite sides of its housing inner circumference and if the at least one inner wall can be introduced into the guide groove with its narrow edge oriented in the insertion direction. In this embodiment, a positionally-suitable mounting of the inner wall together with the adjusting tab integrally formed thereon is ensured in a simple manner.

The adjustment tab may be integrally formed to one of the two flat sides of the at least one inner wall. However, according to a particularly simple embodiment of the invention with regard to design and production, provision is made for: the adjusting tab is integrally formed on both flat sides to the at least one inner wall.

In order to be able to shape the water flowing through the jet regulator and its regulating webs in the desired manner, it is advantageous if the regulating webs are integrally formed on at least one flat side of the at least one inner wall in layers oriented transversely to the flow direction and preferably spaced apart from one another.

In this case, when the control webs arranged in the outflow-side layer are arranged on the recesses in the extension of the flow-through spaces arranged between adjacent control webs of the inflow-side layer, the water flowing through can be shaped particularly well in the following web layers of the jet regulator.

In order to rapidly brake the individual jets from the jet splitter and also to divide them additionally, it is advantageous if the control webs of the first web level in the flow direction each have an inflow-side impact surface and/or if the control webs are rounded on their outflow side.

In order to merge the water jets which are braked in the jet regulating device and are additionally divided, it is advantageous if the regulating webs of the web layer which are arranged on the outflow side in the flow direction have a greater longitudinal extent in the flow direction than the web width, and/or if the regulating webs are rounded on their inflow side and/or on their outflow side.

In particular, if the jet regulator according to the invention is designed as a rectangular or flat jet regulator, it can be advantageous if the adjusting webs of the web layer arranged on the outflow side in the flow direction have a longitudinal extent which is curved in the direction of the adjacent transverse wall of the jet regulator housing. The flat jet formed in such a rectangular or flat jet regulator maintains its shape even over a relatively long stroke section of the exiting water if the water flowing through the jet regulator housing is also guided well in the region of the jet regulating device in the edge region of the flat jet flowing along the transverse wall of the jet regulator housing.

In this case, according to a particularly advantageous embodiment of the invention, provision is made for: this curvature of the adjacent control webs is greater in the outer control webs, which are arranged closer to the adjacent transverse wall, than in the corresponding inner control webs, in which embodiment the outflowing water is discharged as a uniform flat jet even over a longer path and is well distributed over the entire jet cross section.

According to a preferred embodiment of the invention, the control webs of the fluidic control device are arranged in at least three web levels, with the following being provided: the adjusting webs of the web layers arranged between the first web layer and the web layer arranged on the outflow side in the flow direction have a rounded, preferably circular, web cross section. In this web level, the water flowing through is additionally braked and divided without fear of the water flowing through strong eddies.

In order to be able to homogenize and combine the water flowing out there into a uniform total jet by means of the flow straightener arranged on the water outlet side without the flow straightener counteracting the water flowing in against excessive flow resistance, it is advantageous if the flow straightener has a grid structure of a plurality of groups of mutually intersecting flow straightener webs, which between one another delimit a water outlet opening.

In this case, the water flowing through can be shaped particularly well in a fluid rectifier if the rectifier webs of the grid structure have a greater longitudinal extent in the flow direction than the web width.

In this case, the formation of a uniform outlet jet is facilitated if the commutator webs are arranged "on top of" in the extension of the flow space between adjacent control webs arranged on the outflow-side web level.

In a particularly simple embodiment, the jet splitter is inserted into the jet regulator housing either from the inflow side of the jet regulator as far as an annular step provided on the housing inner periphery or can be integrally formed in one piece on the housing inner periphery of the jet regulator housing, in which embodiment it is provided that: the jet splitter is designed as a perforated plate with splitter openings oriented in the flow direction.

In order to be able to satisfy the function of the adjusting webs provided in the inflow-side first web level particularly well, it is advantageous if the jet splitter is arranged in the jet regulator housing relative to the adjusting webs of the inflow-side first web level in such a way that the adjusting webs are arranged in the through-flow direction in alignment with the splitter openings.

In order to be able to spread the individual jets discharged on the outflow side of the jet splitter unhindered and mix them with one another in the mixing zone, it is advantageous if at least two tab-shaped distance holders project on the inflow-side narrow edge of the inner wall or on the outflow side of the jet splitter, which distance holders keep the inflow-side narrow edge at a distance from the jet splitter. These web-shaped spacer elements ensure a sufficient spacing between the outflow side of the jet splitter on the one hand and the inner wall on the other hand, so that a mixing zone can be formed in this region in the housing interior of the jet regulator housing.

According to a preferred embodiment of the invention, provision is made for: the flow straightener and the jet regulator are connected to one another in one piece or form separate components of the jet regulator.

If these components are to be produced as separate components and if these components are to be connected to one another when they are installed in the jet regulator housing, it can be advantageous if the flow straightener and the jet regulating device, which are designed as separate components, can be connected to one another and for this purpose at least one plug-in bolt, preferably at least two plug-in bolts spaced apart from one another, which can be inserted into associated insertion openings on the other component, projects out from one of the components.

In a preferred embodiment, which provides that the plug-in pin projects over the outflow-side narrow edge of the inner wall and can be inserted into an associated insertion opening on the flow straightener, the design and installation are considerably easier.

If the plug-in pin can be inserted into the associated insertion opening until the cross-sectional expansion provided at the free pin end of the plug-in pin projects beyond the flow straightener, the fluidic control device can also be mounted with its inner wall on the flow straightener so as to be inseparable and, if appropriate, also inseparable. By means of this cross-sectional enlargement, which in the assembled state of the jet regulator projects like a fish-fork beyond the outflow side of the jet regulator, the flow straightener is held securely and firmly on the inner wall of the jet regulator device.

Advantageously, the inner wall can be divided into at least two wall sections with webs integrally formed on the flat sides. The at least two segments are then successively introduced into the guide groove on the housing inner circumference of the jet regulator housing until the inner wall formed by these wall segments is formed.

In this case, according to one embodiment of the invention, which can be produced particularly simply, provision is made for: the inner wall is divided into wall sections, on each of which the level of at least one adjusting tab is integrally formed. In this embodiment, the adjusting webs provided in the individual web levels can be formed with different web cross sections in spite of the relatively small distance.

Advantageously, the at least one inner wall can be arranged in the jet regulator housing such that the inner wall is at a greater distance from the first longitudinal wall than from the second longitudinal wall of the jet regulator housing.

In order to achieve a good and uniform distribution of the water flowing through the jet regulator according to the invention over the entire housing cross section in this embodiment as well, it can be advantageous if the longitudinal axis of the splitter opening of the jet splitter is oriented approximately toward the center of the webs of the adjacent adjusting webs. If the at least one inner wall is spaced apart from the bilaterally arranged longitudinal wall of the jet regulator housing by different distances, then, nevertheless, a uniform distribution of the water flowing through over the entire housing cross section is ensured if the longitudinal axes of the splitter openings of the jet splitter are oriented approximately toward the web center of the adjacent adjusting web and if, if necessary, the splitter openings arranged in rows spaced apart from one another in at least one row of the splitter openings are oriented obliquely to the longitudinal extent of the jet regulator housing.

The flow straightener and/or the jet regulator can advantageously be designed as a two-component or multi-component injection molding and/or be made of an elastomeric plastic.

According to a preferred embodiment of the invention, at least one subregion of the commutator bar is made of an elastomer plastic or has at least one surface made of an elastomer plastic.

According to an advantageous further development of the invention, it is provided that the fluid rectifier has a grid structure formed by a set of parallel first webs spaced apart from one another, which intersect at least one second web arranged perpendicularly to the first webs, and the first webs and the second webs define water outlet openings of the fluid rectifier.

In order that the water which is conducted through the jet regulator can be conducted over virtually the entire housing cross section of the jet regulator housing at least in the region of the flow straightener without the retaining ring which delimits the flow straightener and is integrally formed on the flow straightener constricting the clear flow cross section, it is advantageous if at least one of the first webs and preferably at least a plurality of the first webs of the flow straightener each have free web ends on both sides and the first webs can be latched with their free web ends in latching grooves on the inner circumference of the housing of the jet regulator housing, preferably releasably.

In order to be able to arrange and mount the inner wall supporting the adjusting tab in a functionally and positionally suitable manner in the housing interior of the jet regulator housing without having to worry about tilting of the inner wall under the pressure of the water flowing through, it is advantageous if at least one retaining prong and at least two retaining prongs spaced apart from one another project on the side of the flow straightener facing the housing interior, the at least one inner wall of the jet regulator device being retained in an insertable manner in the prong openings.

In this case, the holding of the inner wall, which is produced separately from the flow straightener, and its adjusting webs against tilting is facilitated if the distance of the prongs of the at least one retaining prong, which delimit the prong opening, is adapted to the wall thickness of the inner wall assigned to the at least one retaining prong and is dimensioned such that the inner wall is held on the flow straightener preferably perpendicular to the grid plane of the flow straightener determined by the grid structure, in particular against tilting.

Further developments of the invention result from the claims with the aid of the figures and the following description of the figures.

Drawings

The invention is described in more detail below with the aid of preferred embodiments.

In the drawings:

fig. 1 shows a flat jet regulator in a plan view of the housing end face on the inflow side of the flat jet regulator;

fig. 2 shows the jet regulator in fig. 1 in a longitudinal section according to section plane II-II in fig. 1, wherein it can be seen that the fluid rectifier and the jet regulator device can be inserted into the housing interior of the jet regulator housing from the water outlet side, and wherein the jet regulator device has an inner wall on which webs serving as impingement bodies project on both sides;

fig. 3 shows a perspective view of the flow straightener of the jet regulator shown in fig. 1 and 2 and the jet regulator, wherein the inner wall forming the jet regulator, together with the two-sided integrally formed webs, is connected in one piece with the flow straightener forming the outlet end side of the jet regulator;

fig. 4 shows the jet regulator in fig. 1 to 3 in an exploded perspective view of the components of the jet regulator which are formed as plastic injection molded parts, wherein these components are shown here in a perspective bottom view of the flat side of the jet regulator housing which faces the user in the installed position of the jet regulator;

fig. 5 shows the components of the jet regulator shown in fig. 1 to 4 in a perspective bottom view of the jet regulator housing in exploded perspective of the flat side of the jet regulator in the installed position of the jet regulator facing away from the user;

fig. 6 shows a jet regulator which is likewise designed as a flat jet regulator in a plan view of the housing end face on the inflow side of the jet regulator;

fig. 7 shows the jet regulator in fig. 6 in a longitudinal section according to the sectional plane VII/VII in fig. 6, wherein it can be seen that the components of the jet regulator which are inserted from the water outlet side and which serve as a flow straightener and the components which serve as a jet regulator are formed as separate components;

fig. 8 shows, in an exploded individual component view, the components of the jet regulator shown in fig. 6 and 7 serving as a flow straightener and as a jet regulator;

fig. 9 shows the jet regulator in fig. 6 to 8 in a bottom view in exploded perspective of the component parts of the jet regulator;

fig. 10 shows a top view of the inflow-side end face of the further jet regulator, which is also embodied here as a flat jet regulator;

fig. 11 shows the jet regulator of fig. 10 in longitudinal section through a sectional plane XI-XI, wherein the jet regulator formed by the inner wall with the regulating webs integrally formed on both sides and the flow straightener forming the water outlet side and here produced as a two-component injection molded part are formed as separate components of the jet regulator, and wherein the plate-shaped flow straightener can be positively latched or snapped onto the inner periphery of the jet regulator housing, so that the jet regulator pushed into the jet regulator housing is also fixed there;

fig. 12 illustrates in exploded perspective side view the fluid rectifier and the jet regulating device of the jet regulator shown in fig. 10 and 11;

fig. 13 shows a fluid rectifier of the jet regulator shown in fig. 10 to 12 in a side view;

fig. 14 shows a cross section through the sectional plane XIV-XIV in fig. 13 of the jet regulator shown in fig. 10 to 13, the flow straightener being produced here as a two-component injection molding;

fig. 15 shows a jet regulator designed as a flat jet regulator in a plan view of the inflow-side end face of the jet regulator;

fig. 16 shows the jet regulator in fig. 15 in a longitudinal section through a sectional plane XVI-XVI according to fig. 15, wherein the jet regulator and the flow straightener, which is produced here as a two-component injection molded part, are produced as separate plastic injection molded parts and can be fixed to one another;

fig. 17 shows a perspective, individual component view of the fluid rectifier and the jet regulating device of the jet regulator shown in fig. 15 and 16 before they are connected to one another;

fig. 18 shows the jet regulator in a plan view of the inflow-side end face of the jet regulator, wherein the jet regulator shown here is also designed as a flat jet regulator;

fig. 19 shows the jet regulator of fig. 18 in a longitudinal section of the sectional plane XIX-XIX of fig. 18, wherein the inner wall of the jet regulator device can be seen, which is composed of three separately produced wall sections;

fig. 20 shows, in an exploded perspective single part view, the three wall sections of the jet regulator shown in fig. 18 and 19, which form the inner wall of the jet regulator, together with integrally formed webs on both sides, and a flow straightener which forms the outlet end side of the jet regulator;

fig. 21 shows a jet regulator in longitudinal section, which is designed as a flat jet regulator;

fig. 22 shows the jet regulator of fig. 21 in longitudinal section through the sectional plane XXII-XXII in fig. 21, rotated by 90 ° relative to fig. 21;

fig. 23 shows the jet regulator in fig. 21 and 22 in a longitudinal section through a detail of the partial region enclosed in fig. 22, wherein a longitudinally cut jet splitter is shown in the region of two adjacent splitter openings.

Fig. 24 shows a longitudinal section through a jet regulator which is likewise designed as a flat jet regulator or as a rectangular jet regulator, and

fig. 25 shows an isolated perspective view of a fluid rectifier forming the water outlet face of the jet regulator shown in fig. 24.

Detailed Description

In fig. 1 to 25, different embodiments 101, 106, 110, 115, 118, 121 and 124 of the jet regulator are shown. The jet regulators 101, 106, 110, 115, 118, 121 and 124 have a jet regulator housing 1 which can be inserted into the outlet of a sanitary outlet fitting, not shown in detail here, in order to form the water discharged there into a uniform, non-splashing and, if appropriate, still soft water jet. The jet regulator housing 1 encloses a housing interior, in which a jet splitter 2 having a splitter opening 3 is provided. In the embodiments 101, 106, 110, 115, 118, 121 and 124 shown here, the plate-shaped jet splitter 2 is integrally formed with its splitter opening 3 in one piece on the inner periphery of the jet regulator housing 1. The water flowing through is divided in the decomposer opening 3 into a plurality of individual jets. These individual jets are additionally braked and divided in the subsequent jet regulator 4 within the jet regulator housing 1, and the water flowing through in this way is then combined again in the subsequent flow straightener 5 to form a soft, uniform total jet. The fluid rectifier 5 with a plurality of water outlet openings 6 forms the water outlet side a of the jet regulator 101, 106, 110, 115, 118, 121 or 124. In the housing interior, a jet regulation device 4 is arranged in the flow path between the jet splitter 2 and the flow straightener 5, which jet regulation device has a regulation web 7 oriented transversely to the flow direction of the water flowing through. The flow straightener 5 and the jet regulator 4 can be inserted into the jet regulator housing 1 from the water outlet side a of the jet regulator. In order to be able to maintain the adjusting tab 7 transversely to the direction of flow of the water in the flow path, the jet adjusting device 4 has at least one inner wall 8, to which the adjusting tab 7 is integrally formed on the flat side. The jet regulating device 4 with its at least one inner wall 8 and the regulating webs 7 integrally formed on the inner wall can be produced in a simple manner as an injection molded part and in particular as a plastic injection molded part, for example, also as the jet regulator housing 1 and the remaining components of the jet regulators 101, 106, 110, 115, 118, 121, 124 shown here, without complex injection molding tools being required for producing these components. The flow straightener 5 and the jet regulator 4 are fixed to the inner periphery of the jet regulator housing 1 by means of a form-locking or frictional locking, so that these components 4, 5 cannot accidentally fall out of the jet regulator housing 1 even under the pressure of the inflowing water.

As can be seen in fig. 2,7, 11, 16, 19, 21 and 24, the jet regulator shown here has a pre-screen 9 on the inflow side of its jet regulator housing 1, which pre-screen filters out possible calcium and dirt particles entrained in the inflowing water before these particles can have a negative effect on the function of the jet regulator in the housing interior. Between the upstream screen 9 and the jet splitter 2, a flow regulator 10 can be provided, which regulates the throughflow capacity of the water flowing from the inflow side of the jet regulator housing 1 to the opposite outlet end side a to a defined maximum value independently of the pressure. In the embodiments 101, 106, 110, 115, 118, 121 and 124 shown here, the jet regulator is in each case designed as a rectangular or flat jet regulator and has a non-circular jet outlet with a greater longitudinal extent than a transverse extent. In order to be able to position the jet regulator device 4 in a positionally suitable manner within the jet regulator housing 1, at least one guide groove 11 which is open toward the water outlet side a of the jet regulator is provided on the housing inner periphery of the jet regulator housing of the jet regulators 101, 106, 110, 115, 118 and 121 shown in fig. 1 to 23 and into which at least one inner wall 8 of the jet regulator device 4 can be introduced with one of its narrow edges oriented in the insertion direction. In order to also additionally facilitate simple installation of the jet regulator shown in fig. 1 to 23, the jet regulator housing 1 of the jet regulator embodiments 101, 106, 110, 115, 118 and 121 has in each case one guide groove 11, which is open toward the water outlet side a, on opposite sides of the housing inner periphery, wherein the at least one inner wall 8 can be introduced into the guide groove 11 with its narrow edge oriented in the insertion direction. In this way, a positionally-appropriate mounting of the inner wall 8 with the adjusting tab 7 integrally formed thereon is ensured in a simple manner.

In the jet regulators 101, 106, 110, 115, 118, 121 and 124 according to fig. 1 to 25, the regulating webs 7 are integrally formed on both sides on the flat side on the at least one inner wall 8. In order to be able to shape the water flowing through along the jet regulating device 4 and its regulating webs 7 in a desired manner, the regulating webs 7 are integrally formed on at least one flat side of the at least one inner wall 8 in layers which are oriented transversely to the flow direction and are preferably spaced apart from one another. In order to enable a particularly good shaping of the water flowing through the jet regulator housing 1 in the successive web layers of the jet regulator device 4, the regulating webs 7 arranged in the outflow-side layer are arranged on the recesses in the extension of the flow-through spaces arranged between adjacent regulating webs of the inflow-side web layer relative to this.

In order to rapidly brake the individual jets from the jet splitter 2 and additionally divide them, the control webs 7 of the first web level in the flow direction each have an inflow-side impact surface 12 and are rounded on their outflow side.

In order to merge the water jets braked and additionally divided in the jet regulator 4 again, the regulating webs 7 of the web layer arranged on the outflow side in the flow direction have a greater longitudinal extent in the flow direction than the web width and are rounded both on their inflow side and on their outflow side.

In the jet regulator embodiments 101, 106, 110, 115, 118, 121 and 124 shown here, the regulating webs 7 of the intermediate web level, which are arranged between the first web level and the web level arranged on the outflow side in the flow direction, have a rounded and preferably circular web cross section. In this intermediate web level, the water flowing through is additionally braked and divided without any fear of the water flowing through strong eddies.

In order to be able to homogenize and combine the water flowing out there into a uniform total jet the flow straightener 5 arranged on the water outlet side a and formed here as a plate, without the flow straightener 5 opposing the excessive flow resistance of the inflowing water, the flow straightener 5 of the jet regulators 101, 106, 110, 115, 118, 121 and 124 shown here has a grid structure formed by a plurality of sets of mutually intersecting flow straightener webs 13, which between one another delimit the water outlet openings 6 of the flow straightener 5. In order to shape the water flowing through in the flow straightener 5 as a jet strip discharging uniformly, the grid-structured straightener webs 13 have a greater longitudinal extent in the flow direction than the web width. In this case, the formation of a uniform outlet jet is facilitated by the fact that the commutator webs 13 are arranged on the recesses in the extension of the flow space between adjacent control webs 7 arranged on the outflow-side web level.

In order to allow the adjusting webs 7 arranged in the inflow-side first web level to already fulfill their function particularly well, the jet splitter 2 is arranged in the jet regulator housing 1 relative to the adjusting webs 7 of the inflow-side first web level in such a way that these adjusting webs 7 are arranged in the throughflow direction in alignment with the splitter openings 3.

In order to be able to spread the individual jets discharged on the outflow side of the jet splitter 2 unhindered and mix them with one another in the mixing zone, at least two tab-shaped distance holders 14 project on the outflow side of the jet splitter or, as there is, on the inflow-side narrow edges of the inner wall 8, said distance holders keeping these inflow-side narrow edges at a distance from the jet splitter 2. These web-shaped spacer elements 14 ensure that there is a sufficient distance between the outflow side of the jet splitter 2 on the one hand and the inner wall 8 on the other hand, so that a mixing region can be formed in this region in the housing interior of the jet regulator housing 1.

In the jet regulator embodiment 101 shown in fig. 1 to 5, the fluid rectifier 5 and the jet regulator device 4 are connected to one another in one piece, while the fluid rectifier 5 and the jet regulator device 4 of the remaining jet regulator embodiments 106, 110, 115, 118, 121 and 124 form mutually separate components or constituent parts of the jet regulator.

In the jet regulator embodiment 115 shown in fig. 15 to 17, the fluid rectifier 5 and the jet regulator 4, which are produced as separate components, can be connected to one another. For this purpose, at least two plug pins 15 spaced apart from one another are provided on one of the components, here on the inner wall 8 of the jet regulating device 4, and can each be inserted into an associated insertion opening 16 on the other component, here on the fluid rectifier 5. The plug pins 15 project at the outflow-side narrow edge of the inner wall 8 and can each be inserted into associated insertion openings 16 on the flow straightener 5 until the cross-sectional extensions provided at the free pin ends of the plug pins 15 project beyond the flow straightener 5. By means of the cross-sectional widening, which in the installed state of the jet regulator projects like a fish-fork beyond the outflow side of the jet regulator 115, the flow straightener 5 is held securely and firmly on the inner wall 8 of the jet regulator 4.

In the jet regulator embodiment 118 shown in fig. 18 to 20, the inner wall 8 is divided into at least two wall sections and here into three wall sections 17, the regulating webs 7 being integrally molded onto the respective wall sections 17. The wall sections 17 are in turn introduced into the guide groove 11 on the housing inner circumference of the jet regulator housing 1 until the inner wall 8 formed by these wall sections 17 is formed. One layer of the adjusting tab 7 is integrally formed on each wall section 17. In the jet regulator embodiment 118 shown in fig. 18 to 20, the adjusting webs 7 arranged in the individual web layers can be formed with different web cross sections, despite the relatively small distance.

In the jet regulator embodiment 101 shown in fig. 1 to 5, the plate-shaped flow straightener 5 with the inner wall 8 of the jet regulator 4, which is integrally formed on it at right angles, is inserted into the housing interior of the jet regulator housing 1 from the outflow side a of the jet regulator 101 until the latching projections provided on the outer circumference of the flow straightener 5 snap into the complementary latching grooves on the housing inner circumference of the jet regulator housing. By means of this form-fitting connection of the flow straightener 5 to the housing inner circumference of the jet regulator housing 1, the jet regulator 4, which is integrally formed on the flow straightener 5, is also fixed in the housing inner space.

In a comparable manner, the jet regulating device 4 of the jet regulator embodiment 115 shown in fig. 15 to 17 can also be fixed in the housing interior of the jet regulator housing 1. If the jet regulator 4 is connected to the flow straightener 5, these components 4, 5 can be held securely and securely in the jet regulator housing 1 if, in addition or as an alternative thereto, latching or snap-in connections cooperating with the housing periphery of the jet regulator housing 1 are provided on the inner wall 8 of the jet regulator 4 and in particular on the narrow sides of this inner wall 8.

In the jet regulator embodiments 106, 110, 118, 121 and 124, the jet regulator device 4 is first pushed into the jet regulator housing 1 from the outflow side, and then the plate-shaped fluid straightening 5 is then inserted into the jet regulator housing 1 and snapped or clipped onto the housing inner periphery of the jet regulator housing 1, so that the jet regulator device 4 is also held securely and firmly in the housing interior of the jet regulator housing 1.

In order to form the flat jet flowing out of the jet regulator housing 1 with a sufficient water quantity on both sides also in its narrow-side edge region, in the jet regulator embodiment 121 shown in fig. 21 to 23, the adjusting webs 7 arranged on the outflow-side web side in the flow direction have a longitudinal extent which is curved in the direction of the adjacent transverse wall 18 of the jet regulator housing 1, wherein this curvature of the adjacent adjusting webs 7 is greater in the outer adjusting webs 7 arranged closer to the transverse wall 18 than in the corresponding inner adjusting webs 7.

As becomes apparent from a comparison of fig. 4 and 5: the jet regulator shown here, but in particular the jet regulator embodiment 101, has at least one slit-shaped ventilation opening 21 only on one of its longitudinal walls 19, and here only on its longitudinal wall 19 facing away from the user in the use position, said ventilation opening into a mixing zone which is arranged in the flow direction below the jet splitter 2, and through which ambient air can flow into the housing interior of the jet regulator housing 1. For this purpose, the jet regulator housing 1 has an inward profile 20 on its housing outer circumference on a longitudinal wall 19 facing away from the user in the use position, said inward profile leading from the outlet side a of the jet regulator housing as far as a ventilation opening 21. If the inner wall 8 is now arranged approximately in the longitudinal middle plane of the jet regulator housing 1, this results in: the inner wall 8 has a greater spacing with respect to the longitudinal wall 19 facing the user in the use position than the longitudinal wall 19 facing away from the user and having the ventilation opening 21 in the use position. In order to allow the water flowing through to flow through in a manner which nevertheless is distributed uniformly over the cross section of the jet regulator housing 1, it is provided in the jet regulator embodiment 121 shown in fig. 21 to 23 that: the longitudinal axis of the splitter opening 3 of the jet splitter 2 is oriented approximately toward the web center of the adjacent adjusting web 7. Although the control webs 7, which extend with their free web ends as far as the adjacent longitudinal wall 19, have different web lengths on both sides of the inner wall 8, the water flowing through is distributed uniformly over the cross section of the jet regulator housing 1, since the longitudinal axes of the splitter openings 3 of the jet splitter 2 are each oriented approximately in the direction of the web center of the adjacent control web 7.

In order to counteract excessive calcification of the adjusting lugs 7 and/or the rectifier lugs 13, the flow rectifier 5 and/or the jet regulator 4 can be designed as a two-component or multi-component injection molding and in particular be made of an elastomer plastic 22. In the exemplary embodiment shown in fig. 11 to 14 and 15 to 17, the flow straightener 5 is designed as a two-component injection molded part, wherein the hard elastic plastic part 23, shown in the figures by dotted lines, forms the frame for reinforcing the flow straightener, while the outer circumference of the flow straightener 5, which is formed by a water-impregnated lattice structure and/or which rests against the inner circumference of the housing, is made at least on the surface of an elastomer plastic 22, which is shown here by cross hatching and has a significantly brighter effect. In this case, an embodiment is preferred in which at least one subregion of the commutator bar 13 is made of elastomer plastic 22 or has at least one surface made of elastomer plastic 22.

Fig. 24 and 25 show a longitudinal section through a further modified embodiment 124 of a rectangular jet regulator (see fig. 24) and a perspective top view of the flow straightener 5 (see fig. 25) which forms the outlet side of the jet regulator 124. Fig. 25 shows that the flow straightener 5 of the jet regulator 124 has a grid structure made up of a series of parallel first straightener webs 13 spaced apart from one another, which intersect at least one second straightener web 13 'and here two second straightener webs 13' spaced apart from one another at an intersection point. At least a number of the first commutator bars 13 in each case have free bar ends 24 on both sides, wherein the bar ends 24 are in each case formed as latching projections. As is apparent from the joint observation of fig. 24 and 25, the flow straightener 5 of the jet regulator 124 is preferably releasably latched with the free web end 24 in latching grooves 25 arranged on the jet regulator housing 1 and on the housing inner periphery of the jet regulator 124. The first and second flow straightening webs 13, 13' delimit the outlet openings 6 of the outflow-side flow straightening 5 between themselves and, if appropriate, the housing inner circumferential wall of the jet regulator housing 1.

As can be seen from a comparison of fig. 24 and 25, at least one retaining prong 26 and preferably at least two retaining prongs 26 spaced apart from one another project from the side of the fluid rectifier 5 facing the housing interior of the jet regulator housing 1, the at least one inner wall 8 or at least one of the inner walls 8 of the jet regulator device 4 being held in each case insertable manner in a prong opening 27 of the retaining prongs.

The distance of the prongs 28, 29 of the at least one retaining prong 26, which delimit the prong opening 27, is adapted to the wall thickness of the inner wall 8 associated with the at least one retaining prong 26 and is dimensioned such that the inner wall 8 is held on the flow straightener 5 preferably perpendicular to a grid plane defined by the grid structure of the flow straightener, in particular in a manner preventing tilting. When the lattice structure of the flow straightener of the jet regulators 101, 106, 110, 115, 118 and 121 shown in fig. 1 to 23 is surrounded by a surrounding retaining ring, with which the flow straightener can be latched into latching grooves on the housing inner circumference of the jet regulator housing 1, such a retaining ring is abandoned in the flow straightener 5 of the jet regulator 124 shown in fig. 24 and 25, so that the entire housing cross section of the jet regulator housing 1 is available for conducting the water flowing through without further constriction.

List of reference numerals

1. Jet regulator casing

2. Jet flow decomposer

3. Resolver opening

4. Jet flow regulating device

5. Fluid flow rectifier

6 (of the flow straightener 5) water outlet openings

7. Adjusting connecting piece

8. Inner wall

9. Front screen

10. Flow regulator

11. Guiding groove

12. Impact surface

13. 13' commutator bar

14. Spacer

15. Plug bolt

16. Insertion opening

17. Wall segment

18. Transverse wall

19. Longitudinal wall

20. Inwardly formed section

21. Ventilation opening

23. Elastomer plastic

24 The web ends (of the fluid rectifier web 13 shown in fig. 24 and 25)

25. Card lock groove

26. Retaining fork

27. Fork opening

28. 29 fork for holding fork 26

101. Jet regulator according to fig. 1 to 5

106. Jet regulator according to fig. 6 to 9

110. Jet regulator according to fig. 10 to 14

115. Jet regulator according to fig. 15 to 17

118. Jet regulator according to fig. 18 to 20

121. Jet regulator according to fig. 21 to 23

124. Jet regulator according to claims 24 to 25

Water outlet side of A jet regulator

Claims (33)

1. Jet regulator (101, 106, 110, 115, 118, 121, 124) comprising a jet regulator housing (1), which jet regulator housing (1) can be inserted into the water outlet of a sanitary water outlet fitting and surrounds a housing interior space, in which housing interior space a jet splitter (2) having splitter openings (3) is provided, which splitter openings (3) divide the throughflowing water into a plurality of individual jets, and which jet regulator comprises a fluid rectifier (5) which forms the water outlet side (a) of the jet regulator (101, 106, 110, 115, 118, 121, 124), which fluid rectifier (5) has a plurality of water outlet openings (6), wherein a jet regulating device (4) is provided in the housing interior space in the flow path between the jet splitter (2) and the fluid rectifier (5), which jet regulating device (4) has regulating webs (7) which are oriented transversely to the flow direction of the throughflowing water, characterized in that the fluid rectifier (5) and the jet regulating device (4) can be inserted from the jet regulator housing interior wall (101, 106, 115, 118, 121, 124) into the housing interior wall (1, 124) and that at least one jet regulator (7) is integrally formed in the jet regulator housing interior wall (1, 121), and the fluid rectifier (5) and/or the jet regulator device (4) can be fixed in the jet regulator housing (1) by means of a form-fit or friction-fit.

2. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to claim 1, characterized in that the fluid rectifier (5) and/or the jet regulating device (4) can be fixed in the jet regulator housing (1) by means of a snap-on and/or snap-on connection.

3. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to claim 1 or 2, characterized in that the jet regulator (101, 106, 110, 115, 118, 121, 124) is configured as a rectangular or flat jet regulator and/or has a non-circular jet outlet with a larger longitudinal extension compared to the transverse extension.

4. Jet regulator (101, 106, 110, 115, 118, 121) according to one of claims 1 to 3, characterized in that at least one guide groove (11) which is open towards the water outlet end side (A) of the jet regulator (101, 106, 110, 115, 118, 121) is provided on the housing inner circumference of the jet regulator housing (1), the at least one inner wall (8) being introducible into the guide groove (11) with one of its narrow edges oriented in the insertion direction.

5. Jet regulator (101, 106, 110, 115, 118, 121) according to one of claims 1 to 4, characterized in that the jet regulator housing (1) has on opposite sides of its housing inner circumference in each case a guide groove (11) which is open toward the outlet end side (A), and the at least one inner wall (8) can be introduced into the guide groove (11) with its narrow edge oriented in the insertion direction.

6. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 5, characterized in that the regulating web (7) is integrally molded on both sides on the flat side onto the at least one inner wall (8).

7. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 6, characterized in that the regulating webs (7) are integrally molded onto at least one flat side of the at least one inner wall (8) in layers which are oriented transversely to the flow direction and are preferably spaced apart from one another.

8. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 7, characterized in that the regulating webs (7) arranged in the outflow-side layer are arranged on the recesses in the extension of the flow-through spaces arranged between adjacent regulating webs (7) of the inflow-side layer.

9. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 8, characterized in that the regulating webs (7) of the first web level in the flow direction each have an inflow-side impact surface (12) and/or in that the regulating webs (7) of the first web level in the flow direction are rounded on their outflow side.

10. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 9, characterized in that the regulating webs (7) of the web layer situated on the outflow side in the flow direction have a greater longitudinal extent in the flow direction than the web width, and/or in that the regulating webs (7) of the web layer situated on the outflow side in the flow direction are rounded on their inflow side and on their outflow side.

11. Jet regulator (121) according to one of claims 1 to 10, characterized in that the regulating webs (7) of the web level arranged on the outflow side in the flow direction have a longitudinal extent which is curved in the direction of the adjacent transverse wall (18) of the jet regulator housing (1).

12. Jet regulator (121) according to claim 11, characterized in that the curvature of adjacent regulating webs (7) is greater in the outer regulating webs (7) arranged closer to the transverse wall (18) than in the respective inner regulating webs (7).

13. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 12, characterized in that the adjusting webs (7) of the web layers arranged between the first web layer and the web layer arranged on the outflow side in the flow direction have a rounded, preferably circular, web cross section.

14. A jet regulator (101, 106, 110, 115, 118, 121, 124) according to any of claims 1 to 13, characterized in that the flow straightener (5) has a grid structure of sets of mutually intersecting straightener blades (13), the rectifier blades (13) defining the water outlet openings (6) between each other.

15. Jet regulator (124) according to one of the claims 1 to 14, characterized in that the fluid rectifier (5) has a grid structure consisting of a set of parallel first rectifier webs (13) spaced apart from one another, which intersect at least one second rectifier web (13 ') arranged perpendicularly to the first rectifier webs (13), and the first and second rectifier webs (13, 13') define the water outlet opening (6) of the fluid rectifier (6).

16. Jet regulator (124) according to claim 15, characterized in that at least one of the first commutator bars (13) and preferably at least a number of the first commutator bars (13) of the fluid commutator (6) each have a free bar end (24) on both sides and the first commutator bars (13) can be latched with their free bar ends (24) in latching grooves (25) on the housing inner periphery of the jet regulator housing (1), preferably releasably.

17. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 16, characterized in that the commutator bars (13) of the lattice structure have a greater longitudinal extent oriented in the flow direction than the bar width.

18. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 17, characterized in that the rectifier webs (13) are arranged on the recesses in the extension of the flow-through spaces between adjacent regulating webs (7) of the web level arranged on the outflow side.

19. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 18, characterized in that the jet splitter (2) is designed as a perforated plate with splitter openings (3) oriented in the throughflow direction.

20. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 19, characterized in that the jet splitter (2) is arranged in the jet regulator housing (1) relative to the adjusting webs (7) of the inflow-side first web level such that the adjusting webs (7) of the inflow-side first web level are arranged in the flow direction in alignment with the splitter openings (3).

21. Jet regulator (101, 106, 110, 115, 118) according to one of claims 1 to 20, characterized in that at least one web-shaped distance holder (14) projects on the inflow-side narrow edge of the inner wall (8) or on the outflow-side of the jet splitter (2), said distance holder keeping the inflow-side narrow edge at a distance from the jet splitter (2).

22. Jet regulator according to one of claims 1 to 21, characterized in that the fluid rectifier (5) and the jet regulator device (4) are connected to one another in one piece or form mutually separate components of the jet regulator.

23. Jet regulator (115) according to one of claims 1 to 22, characterized in that the fluid regulator (5) and the jet regulator (4) which are designed as separate components can be connected to one another and for this purpose at least one plug-in bolt (15), preferably at least two plug-in bolts (15) which are spaced apart from one another, project from one of the components (5) and can be inserted into associated insertion openings (16) on the other component (4.

24. Jet regulator (115) according to claim 23, characterized in that the plug pins (15) project over the narrow edge of the outflow side of the inner wall (8) and can be inserted into associated insertion openings (16) on the flow straightener (5).

25. Jet regulator (115) according to claim 23 or 24, characterized in that the plug bolt (15) can be inserted into a matching insertion opening (16) until a cross-sectional widening provided at the free bolt end of the plug bolt (15) projects beyond the flow straightener (5).

26. Jet regulator (118) according to one of the claims 1 to 25, characterized in that the inner wall (8) is divided into at least two wall sections (17) with regulating webs (7) integrally formed on the flat side.

27. Jet regulator (118) according to claim 26, characterized in that the inner wall (8) is divided into lower wall sections (17), on which wall sections (17) at least one layer of regulating webs (7) is integrally formed in each case.

28. Jet regulator (121) according to one of the claims 1 to 27, characterized in that the at least one inner wall (8) is arranged in the jet regulator housing (1) such that the inner wall (8) is at a greater distance from a first longitudinal wall (19) than from a second longitudinal wall (19) of the jet regulator housing (1).

29. Jet regulator (101, 106, 110, 115, 118, 121, 124) according to one of claims 1 to 28, characterized in that the longitudinal axis of the splitter opening (3) of the jet splitter (2) is oriented substantially towards the tab center of the adjacent adjusting tab (7).

30. Jet regulator according to one of claims 1 to 29, characterized in that the flow straightener (5) and/or the jet regulator (4) are designed as a two-component or multi-component injection molding and/or are made of an elastomer plastic (22).

31. Jet regulator according to one of claims 1 to 30, characterized in that at least one subregion of the commutator bars (13) is made of an elastomeric plastic (22) or has at least one surface made of an elastomeric plastic (22).

32. Jet regulator (124) according to one of the claims 1 to 31, characterized in that at least one retaining prong (26) and at least two retaining prongs (26) spaced apart from one another project on the side of the fluid rectifier (6) facing the housing interior, the at least one inner wall (8) of the jet regulating device (4) being retained insertable in a prong opening (27) of the retaining prong.

33. Jet regulator (124) according to claim 32, characterized in that the distance of the prongs (28, 29) of the at least one retaining prong (26) which delimit the prong opening (27) is adapted to the wall thickness of the inner wall (8) associated with the at least one retaining prong (26) and is dimensioned such that the inner wall (8) is held on the flow straightener (6) preferably perpendicular to a grid plane of the flow straightener (6) which is defined by the grid structure, in particular in a manner preventing tilting.

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