JPS62137332A - Jet stream controller - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is a jet regulator for sanitary outflow appliances, comprising an insertable jet distribution device and a casing made of injection molded plastic. The casing is integrally connected with a filter retaining sleeve defined for receiving the shaped filter and with a support stop for the jet distribution device, and an air inlet slit is provided between the filter retaining sleeve and the casing. related to the format in which it is

BACKGROUND OF THE INVENTION Known jet regulators of this type usually have several individual parts, some of which remain identical for different ranges of use, in particular for different flow classes. However, in particular the jet dispersion device can be varied depending on the desired throughflow class in each case. This adaptation of each individually necessary jet distribution device to the respective pressure relationship is therefore disadvantageous for the production of jet regulators of the above type as rationally and standardized as possible.

Jet regulators of integral construction are known, but this has the disadvantage that the entire jet regulator must be replaced in order to adapt to a different flow class. In a further known jet regulator, the housing and the filter retaining sleeve are manufactured permanently by injection molding in one operation, and the jet distribution plate is replaceable for adaptation to different pressure relationships. However, this known jet regulator also has drawbacks. In this case, for example:
A filter holding sleeve is arranged which is accessible from the outlet side and in which the filter or filters are arranged. The filter is held in this case by a flange on the opening side, which can only be carried out after the filter has been inserted, so that additional post-processing of the injection molded part is required. Moreover, despite this additional flaring operation, the desired reliable retention of the filter may not be achieved.

For example, the injection molded part must be heated close to its lower outer edge in order to carry out a later flaring operation.
In some cases, measures must be taken to keep the unsightly defects that occur at this time small. This is especially true for casings that are chrome-plated or similarly colored.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to improve a jet flow regulator of the type mentioned at the outset in such a way that it is possible to selectively incorporate integrated components in order to adapt to different requirements, and in a rational manner. It is an object of the present invention to provide a jet flow regulator that can be manufactured in a number of ways and can achieve standardization of manufacturing.

Means for Solving the Problem In order to solve this problem, the present invention provides a configuration in which the molded filter and the jet distribution device can be inserted into the casing from the inflow side and can be fixed from the inflow side towards the support. I made it.

Effects of the Invention In the jet regulator according to the present invention, the molded filter and the jet dispersion device can be inserted from the inflow side, so that the manufacturing process of the jet regulator is significantly simplified. Furthermore, the casing as well as the filter holding sleeve can be injection molded in one piece to their final shape in one operation, and the molded filter as well as the jet dispersion device can be installed from the same side. In addition, in the jet flow regulator according to the invention, damage to the housing surface due to the flanging of the filter retaining sleeve can be avoided since this working process is avoided, for example, by injection molding the stop collar together.

Embodiment In an advantageous embodiment of the invention, the filter retaining sleeve has on its opening side a support collar or a similar support surface that projects radially inwardly as a support for the shaped filter, and The inner diameter of the filter retaining sleeve for receiving the filter is designed to be approximately equal all the way to the open end on the inlet side. Due to this shaping, the molded filter can not only be inserted from the inlet side, but also be removed from the casing again if necessary. Moreover, such a shaping is advantageous for easy release of the casing or retaining sleeve from the injection mold.

The filter retaining sleeve is preferably connected to the housing by means of retaining webs designed as longitudinal ribs, so that the air can flow between the individual longitudinal ribs.
The air can be drawn in through an axially extending air inlet slit.

In this case, longitudinal ribs, which are uniformly distributed over the entire circumference of the filter-holding sleeve, extend in the axial direction beyond the outer circumferential wall of the filter-holding sleeve, each of which has an enlarged inner diameter towards the inflow side. It is advantageous to have the step as a support stop for the jet distribution device.

The inner ribbed surface extending behind the step towards the inlet side advantageously forms a guide surface for a jet distribution device which can be inserted from the inlet side. As a result, the jet distribution device is fixed both in the outflow direction and in a direction perpendicular to the outflow direction, without the need for further machining of the injection molded housing or of the holding parts.

In a further advantageous embodiment of the invention, the inner end of the longitudinal rib serves as a support for the sealing ring and lies approximately flush with the outer region of the inflow side of the jet distribution device. In this case, the sealing ring seals the edge-side intermediate chamber distributed over the entire circumference of the casing between the longitudinal ribs against the ingress of water from the sanitary outflow device;
As a result, it is impossible for the water flowing into the jet regulator to pass through the intermediate chamber and past the jet dispersion device. still,
The sealing ring, which preferably extends inwardly beyond the outer region of the inlet side of the jet distribution device, loads the jet distribution device against the associated support stop.

This is because the sealing ring is pressed from the opening edge of the respective associated sanitary outflow device towards the rib end and the jet distribution device.

The loading of the intermediate chamber of the longitudinal rib and the load on the jet distribution device are simultaneously achieved in that the outer region of the inlet side of the jet distribution device lies approximately in the same plane as the inner end of the longitudinal rib. be done. This also largely avoids partial penetration of the sealing ring into the intermediate chamber of the longitudinal rib.

Along with the fixing of the jet dispersion device in the casing via the sealing ring, the fixing of the molded filter is also
This is simply achieved in that the jet distribution device has a pin or similar extension on its outflow side, which supports the shaped filter on its inflow side. As a result, the jet distribution device as well as the molded filter are fixed in the housing of the jet regulator by fixation with the sanitary outflow device and also by the pressure of the flowing water.

It is therefore easily possible to replace the jet distribution device later on, for example in the event of a change in water pressure or similar circumstances, without having to replace the entire jet regulator.

In a further advantageous embodiment of the invention, at least the housing and the filter retaining sleeve have a coating layer, such as a chrome layer, a lacquer layer or a powder layer, or consist of a colored plastic. It is advantageous. This is possible because the flaring operations, which were conventionally performed later, are avoided.

Example The invention will now be described in detail with reference to the drawings.

The jet regulator 1 is connectable to a sanitary outflow device 2, only a portion of which is shown at the connecting end in FIG.

The jet regulator 1 essentially has a housing 3 in which installed components, in particular a jet distribution device 4 and a shaped filter 5, are arranged. The shaped filter 5 is mounted on a filter holding sleeve 6 , in which case an air inlet slit 8 is provided in the opening area 7 between the filter holding sleeve 6 and the housing 3 .

The entire jet flow regulator 1 and thus also the integrated components are mass-produced items that can be manufactured and installed with the lowest possible production costs. At the same time, however, it is also possible to attach different configurations and/or numbers of built-in parts to the casing 3 during assembly, so that various requirements, in particular those regarding the flow-through class, can be met while the configuration of the other parts remains unchanged. compatibility can be achieved.

In the jet flow regulator 1 according to the invention, the casing 3 and the filter retaining sleeve 6 located therein are constructed in one piece from injection molded plastic, so that both parts 3,
6 can be manufactured in one working step. Moreover, the housing 3 and the filter-holding sleeve 6 can also be used as is for different configurations with correspondingly different mounting of the desired installed parts.

A major advantage in this case is that the assembly of differently constructed installation parts can be carried out simply and without further processing of the housing 3.

For this purpose, the filter holding sleeve 6 has on its open side a support collar 9 which projects radially inwardly for the shaped filter 5, the inner diameter d for receiving the shaped filter 5 being approximately equal. It is configured to extend toward the open end on the dorsal side. The molded filter 5 can therefore be inserted from the inlet side 10 and then comes into contact with the support collar 9 on the opening side. The filter retaining sleeve 6 has a rib section 11 of longitudinal ribs 11 over its entire circumference.
It is connected to the casing 3 via a (see FIGS. 2 and 6). The longitudinal rib 11tfi extends axially beyond the outer peripheral wall of the filter holding sleeve 6 and is internally in contact with and integrally connected to the casing wall.

At a certain axial distance from the filter-holding sleeve 6 , the longitudinal rib 11 has a step that enlarges the inner diameter of the housing 3 as a support stop 13 for the jet distribution device 4 . The cross section of the casing that widens from this support stop 13 towards the inflow side is adapted to the diameter of the jet distribution device 4 . The rib region 11b extending from the support stop 13 towards the inlet side 10 thus serves as a guide for inserting the jet distribution device 4 from the inlet side.

The end 14 of the longitudinal rib 11 on the inflow side 10 acts as a support for the sealing ring 15
simultaneously covers the outer ring area on the back side of the jet dispersion device 4. As a result, the jet dispersion device 4 is held in position both axially, ie, on the one hand by the support stop 13 and on the other hand by the sealing ring 15;
It is centered in the radial direction by longitudinal ribs 11. Via the pins 16 in the jet distribution device 4 the molded filter 5 is held against the supporting collar 9 .

In this case, the length of the pins 16 is adapted to the number and condition of the shaped filters 5.

Longitudinal ribs 1 extending at the outflow edge of the jet distribution device 4 at the support stop 13 as well as at the opening
An intake window 12 is provided between the filter holding sleeve 1 and the inflow side edge of the outer peripheral wall of the filter holding sleeve 6 . Air can thereby be drawn upwards through the air inlet slits 8 between the longitudinal ribs 11 in the entire circumferential area of the opening and then into the area of the water jet flowing through the intake window 12.

The casing 3 can be attached to the opening of the sanitary outflow device 2, for example using an external thread 18 (see FIG. 6) or an internal thread 17 (see FIG. 2) or in a comparable manner. What is important in this case is that the 7-ring 15 is
An opposing holding force is applied by fixation at the opening of the
It is only that the jet distribution device 4 and the shaped filter 5 are also fixed in the axial direction within the housing 3 .

Optionally, at least the housing 3 and the filter holding sleeve 6 are made of plastic with a chrome coating, a paint coating, such as a paint coating, or another colored powder coating.

Due to the fact that the casing 3 already has its final shape after the injection molding process, there is no need to heat the casing opening area for flanging the molded filter 5 during post-processing. Coloring can be done simultaneously with the injection molding process. In addition, post-processing, which was previously necessary in some cases, is not necessary in this case in order to avoid visual defects caused by subsequent flaring. The jet flow regulator according to the invention can therefore be produced rationally, in high quality and especially inexpensively as a mass-produced product.

[Brief explanation of drawings]

FIG. 1 shows a jet regulator according to the invention and the connecting end of a sanitary outflow device; FIG. 2 shows an embodiment of the jet regulator part which is mainly constructed in one piece from a casing and a filter retaining sleeve. 6 is a longitudinal sectional view showing a modified embodiment of the jet regulator portion shown in FIG. 2; FIG. 1...Jet flow regulator, 2...Sanitary outflow device, 3...
Casing, 4... Jet dispersion device, 5... Molded filter, 6°"° filter holding sleeve, 7... Opening range, 8... Air inflow slit, 9... Support collar, 1
0... Inflow side, 11... Vertical rib, Ila...
Rib division, 11b... Rib range, 12... Intake window,
13... Support stopper, 14... End portion, 15...
Seal ring, 16...pin, 17...female thread,
18...Male thread i, jet regulator 2, sanitary outflow device 3, casing 4, jet dispersion device S, molding fi, 1 6 ......Fuy...with Yuho~Leave 7...
Opening range flesh

Claims (1)

[Claims] 1. Jet regulator for sanitary outflow appliances, comprising an insertable jet dispersion device (4) and a casing (3) made of injection molded plastic, the casing comprising: , integrally connected with a filter retaining sleeve (6) defined for receiving a shaped filter (5) and integrally connected with a support stop for the jet dispersion device (4), with the filter retaining sleeve (6) In the type in which an air inflow slit (8) is provided between the casing (3), the molded filter (5) and the jet dispersion device (4) are inserted into the casing (3) from the inflow side (10). Jet flow regulator, characterized in that it is possible to fix it from the inlet side (10) towards the support. 2. The filter retaining sleeve (6) has on its opening side a support collar (9) or similar support surface projecting radially inwardly as a support for the molded filter (5); Jet according to claim 1, characterized in that the inner diameter (d) of the filter holding sleeve (6) for receiving the filter (5) is approximately equal up to the open end on the inflow side (10). regulator. 3. A rib section (11a) of the longitudinal rib (11) with an air inlet slit (8) between it connects the filter holding sleeve (6) with the casing (3). Paragraph 1 or 2
Jet flow regulator as described in section. 4. Longitudinal ribs (11) extend in the axial direction beyond the outer circumferential wall of the filter holding sleeve (6), each step having an enlarged inner diameter towards the inflow side, forming a jet dispersion device (4). 4. The jet flow regulator according to claim 1, wherein the jet flow regulator has a support stop (13) for a support stop. 5. The inner end (14) of the longitudinal rib (11) serves as a support for the sealing ring (15) and lies approximately flush with the outer region of the inlet side of the jet distribution device (4). , a jet flow regulator according to any one of claims 1 to 4. 6. When the jet dispersion device (4) faces the outflow side, attach the pin (16) extending from the center to the support collar (9) of the molded filter (5).
), the jet flow regulator according to any one of claims 1 to 5. 7. At least the casing (3) and the filter retaining sleeve (6) consist of a plastic body or colored plastic with a chrome-plated layer or a paint coating. The jet flow regulator according to any one of the above.