Pressure cleaner filter device and portable cleaner

Abstract

The invention relates to a pressure cleaner filter device (10a-10f), in particular a pressure cleaner liquid filter, for an in particular portable cleaner (12a), preferably for a low-pressure cleaner, comprising a main body (14a-14f), which has a circumferential wall (16a-16f), the circumferential wall (16a-16f) having at least one filter slot (18a-18f), the filter slot (18a-18f) being arranged in the circumferential wall (16a-16f), and the filter slot (18a-18f) being arranged in the circumferential wall (16a-16f). The filter is used for guiding liquid to pass through in a filtering manner. According to the invention, the pressure cleaner filter device (10a-10f) has a mounting unit (20a-20f), which has at least one mounting gripping element (24a-24c), which is arranged on an end-side end (22a-22f) of the main body (14a-14f) and in particular protrudes from the main body (14a-14f).

Description

TECHNICAL FIELD

[0001] The present application relates to a pressure cleaner filter device and a portable cleaner. BACKGROUND

[0002] A pressure cleaner filter device for a cleaner has been proposed, which has a base body having a surrounding wall, wherein the surrounding wall has at least one filter slot for guiding a liquid to be filtered through. SUMMARY

[0003] The present application is based on a pressure cleaner filter device, in particular a pressure cleaner liquid filter, for a cleaner, in particular a portable cleaner, preferably for a low-pressure cleaner. The pressure cleaner filter device has a base body having a surrounding wall, wherein the surrounding wall has at least one filter slot for guiding a liquid to be filtered through.

[0004] It is proposed that the pressure cleaner filter device has a fitting unit having at least one fitting grip element arranged on an end side end of the base body and protruding therefrom, in particular.

[0005] By the configuration of the pressure cleaner filter device according to the application, the pressure cleaner filter device can be particularly simply and reliably fitted to the cleaner, in particular in a liquid tank of the cleaner. Advantageously, the pressure cleaner filter device can be particularly safely and simply gripped, preferably by means of a tool, more preferably with pliers or the like. A particularly high user comfort can be achieved. The pressure filter cleaning device can be particularly simply and quickly detached and installed.

[0006] The cleaner is preferably configured as a high-pressure cleaner or a low-pressure cleaner. The low-pressure cleaner is in particular designed for generating a liquid pressure of a maximum of 25 bar. It can be considered that the water pressure of the cleaner device is adjustable. The high-pressure cleaner is in particular designed for generating a liquid pressure of at least 70 bar, preferably at least 80 bar, more preferably at least 100 bar. "Designed" is in particular to be understood as specially programmed, designed and / or equipped. The object is designed for a specific function, in particular to be understood as the object fulfils and / or implements this specific function in at least one application and / or operating state.

[0007] The cleaner is preferably configured as a portable cleaner. "Portable cleaner" is in particular to be understood here as a cleaner for cleaning an object, which can be transported by an operator without a transport machine. The portable cleaner in particular has a mass of less than 40 kg, preferably less than 10 kg, particularly preferably less than 5 kg. Alternatively or additionally it can be considered that the cleaner has a front-moving means, for example rollers, wheels or the like.

[0008] The cleaner is preferably configured as a wireless, in particular battery-driven, cleaner. The cleaner, in particular the cleaner device, preferably has an energy storage receiver for receiving an energy storage, for example a battery pack or a battery pack. The energy storage receiver preferably has an electrical interface for electrical connection with the energy storage. It is conceivable that the energy storage is part of the cleaner. It is conceivable that the energy storage receiver has a closure element, for example a cover, for closing an energy storage receiver region in the energy storage receiver for receiving the energy storage. It is conceivable that the energy storage can be arranged in the energy storage receiver, preferably extractably without tools, for example for charging and / or replacement, etc. Alternatively, it is conceivable that the energy storage is integrated into the housing unit of the cleaner, in particular releasable from the energy storage receiver with the aid of a tool, etc.

[0009] The cleaner preferably has a drive unit. The drive unit preferably has a motor, for example an electric motor. The cleaner preferably has a pump. The pump is in particular designed for conveying liquid in a hose of the cleaner to a liquid output unit, for example a cleaning nozzle, a lance, etc., preferably arranged on a free end of the hose. The drive unit is preferably at least designed for driving the pump. The drive unit is preferably connected, in particular at least electrically, with the energy storage receiver, preferably with the electrical interface. The drive unit is preferably able to be supplied with electrical energy by the energy storage.

[0010] The cleaner preferably has a control and / or regulation unit for controlling the drive unit. The control and / or regulation unit in particular comprises at least one processor, a storage element and a program stored on the storage element. The storage element is preferably configured as a digital storage medium, for example a hard disk, etc. The control or regulation unit is preferably at least partially arranged in the housing unit. The drive unit and / or the pump are in particular arranged in the housing unit.

[0011] The cleaner preferably has a liquid tank for receiving liquid. The liquid tank preferably has an inlet opening for filling the liquid tank with cleaning liquid, for example water and / or cleaning agent. The liquid tank in particular has an outlet opening for discharging liquid from the liquid tank. The outlet opening is preferably fluidically connected with the pump, in particular via a connecting hose, etc. The hose is preferably fluidically connected with the liquid tank. The pump is preferably fluidically arranged between the hose and the outlet opening of the liquid tank. The cleaner, in particular the cleaner device, preferably has a closure element, for example a cover, etc., for closing the inlet opening of the liquid tank.

[0012] The liquid tank is preferably arranged on the housing unit, preferably arranged within the housing unit, more preferably integrated into the housing unit, for example at least partially integrally constructed with the housing unit. "At least one unit or object is at least partially integrally constructed with at least one further unit or further object" is to be understood in particular as meaning that at least one element of the unit or object is integrally constructed with at least one further element of the further unit or further object. "Integrally" can be understood at least as meaning materially bonded, for example by means of a welding process, a soldering process, a gluing process, an injection-moulding process and / or other processes which appear meaningful to the person skilled in the art and / or advantageously in one piece, for example by means of manufacture from a casting and / or in a single-component or multi-component injection-moulding process, and advantageously made from a single blank.

[0013] The pressure cleaner filter device is preferably configured as a pressure cleaner liquid filter for filtering a liquid in a pressure cleaner, preferably in a cleaner. The pressure cleaner filter device is in particular provided for arranging at the outlet opening of the liquid tank. The pressure cleaner filter device is preferably provided for filtering the liquid from the liquid tank, in particular between the liquid tank and the pump and / or the hose. The pressure cleaner filter device is for example configured as a 300 pm-liquid filter. However, it is alternatively also conceivable for the pressure cleaner filter device to be provided for filtering other particle sizes which appear meaningful to the person skilled in the art. The total filter area of the pressure cleaner filter device is preferably at least 1000 mm 2 , more preferably at least 1200 mm 2 , particularly preferably at least 1300 mm 2 . The total filter area of the pressure cleaner filter device is preferably at most 2000 mm 2 , more preferably at most 1500 mm 2 , particularly preferably at most 1400 mm 2 . It is then alternatively also conceivable for the total filter area to be less than 1000 mm 2 or more than 2000 mm 2 .

[0014] The pressure cleaner filter device is preferably configured in the shape of a cup. The circumferential wall is preferably composed of at least a rib and at least one filter slot, more preferably a plurality of filter slots, for guiding the liquid filtered through. The base body is preferably closed at the end side end, at which the assembly gripping element is arranged, in particular the base body has a closed bottom at the end side end. Alternatively, it is conceivable that the base body has at least one filter slot at the end side end for guiding the liquid filtered through. At the other end side end of the base body, which is arranged on the side facing away from the end side end, the base body has an opening, in particular a liquid flow-through opening. The filter slot has a filter element, for example a filter mesh or the like. The filter element preferably completely fills the slot portion of the filter slot. Alternatively, it is conceivable that the rib constitutes a filter grid or filter mesh of the pressure cleaner filter device, wherein the filter slot can be arranged without a filter element therein. The pressure cleaner filter device, preferably the assembly unit, preferably has an insertion end, which is in particular provided for connecting, preferably inserting, into a filter receptacle of a cleaner when the pressure cleaner filter device is assembled on the cleaner, preferably in the liquid tank. The insertion end is in particular arranged on the side of the base body facing away from the assembly gripping element. The insertion end preferably has a retaining element. The retaining element can be configured, for example, as an O-ring, a rib or the like. The insertion end preferably has at least one receiving groove for at least one sealing element, for example an O-ring. It is conceivable that the retaining element corresponds to the sealing element.

[0015] The assembly gripping element is preferably arranged on the side of the base body facing away from the other end side end, in particular on the outside of the base body. The assembly gripping element is preferably configured projecting from the base body. The assembly gripping element is integrally configured with the base body, in particular with the rib and / or the bottom of the base body.

[0016] It is conceivable that the cleaner has a liquid pre-filter, which is preferably provided for filtering the liquid before it enters the liquid tank, in particular before it enters through the inlet opening. The liquid pre-filter is preferably provided for being arranged at the inlet opening. The liquid pre-filter is preferably releasably arrangeable at the inlet opening. In this context, "releasable" is in particular to be understood as "separable without damage". The liquid pre-filter is configured, for example, as a 300 pm liquid filter. However, it is alternatively also conceivable that the liquid pre-filter is provided for filtering other particle sizes which appear meaningful to the person skilled in the art.

[0017] It is further proposed that the assembly gripping element has an assembly gripping face which has a profile, in particular a toothing. Advantageously, a particularly safe, simple and reliable gripping of the assembly gripping element can be achieved. A particularly high user comfort can be achieved when assembling and / or disassembling the pressure cleaner filter device. The assembly gripping element preferably has a plurality of assembly gripping faces which are in particular spaced apart from one another. The assembly gripping element, in particular the assembly gripping face, is preferably designed to be gripped by means of a tool, preferably by means of a pair of needle-nose pliers or the like, in particular for assembling or disassembling the pressure filter cleaning device on the filter receptacle of the cleaner.

[0018] It is further proposed that the pressure filter cleaning device has a main extension axis, wherein the assembly gripping face of the assembly gripping element, in particular the previously mentioned assembly gripping face, has an orientation which is at an angle to the main extension axis. Advantageously, an unwanted rotation of the pressure cleaner filter device when assembling the pressure cleaner filter device at the outlet opening of the liquid tank can be prevented. A particularly simple, reliable and comfortable assembly can be achieved. The "main extension axis" of the object can in particular be understood as an axis which is parallel to the longest side of a smallest geometric cuboid which just also completely surrounds the object and which in particular passes through the center of this cuboid. "At an angle" is in particular to be understood as not parallel. The angle between the main extension axis and the orientation of the assembly gripping face is preferably less than 90°, more preferably less than 45°, particularly preferably less than 30° and preferably more than 10°, more preferably more than 15°. The assembly gripping element preferably has a further assembly gripping face, wherein the angle of the orientation of the further assembly gripping face with respect to the main extension axis has a value which in particular corresponds to the value of the angle between the orientation of the assembly gripping face and the main extension axis. The assembly gripping face and the further assembly gripping face are preferably arranged symmetrically with respect to the main extension axis. The plurality of assembly gripping faces can have at least partially different orientations with respect to one another.

[0019] It is further proposed that the assembly gripping element has the assembly gripping face, in particular the previously mentioned assembly gripping face, and a tool stop contour which at least partially delimits the assembly gripping face. Advantageously, an unwanted rotation of the cleaner filter device under pressure when assembling can be prevented in a structurally simple manner. A pressure cleaner filter device with a particularly high assembly comfort can be provided. The tool stop contour is in particular designed to limit, preferably block, a rotation of a tool with respect to the assembly gripping face when gripping the assembly gripping face. The tool stop contour in particular provides the assembly gripping face with a limitation of at least one side, preferably of at least two sides, more preferably of at least three sides.

[0020] In one aspect of the application, which can be considered in particular independently of the other aspects of the application, it is proposed that the pressure cleaner filter device has an assembly unit, in particular the previously mentioned assembly unit, which has at least one stop unit arranged on the surrounding wall for marking an assembly position on the filter receptacle of the cleaner. Advantageously, the assembly of the pressure cleaner filter device can be checked in particular reliably and / or simply. A particularly high degree of user comfort can be achieved. The filter receptacle is preferably arranged at the outlet opening, preferably at least partially formed by the outlet opening. The stop unit preferably has at least one stop element. The stop unit, preferably the stop element, is preferably integrally configured with the base body, in particular with the rib. The stop element is preferably configured as a protrusion on the surrounding wall. A main extension plane of the stop element preferably extends at least substantially perpendicular to the main extension axis. A "main extension plane" of a structural unit or element can be understood as a plane which runs parallel to the largest side of a smallest imaginary cuboid which just completely encloses the structural unit and which in particular runs through the center of the cuboid. The stop element preferably has a stop face which is arranged in particular facing away from the assembly grip element. The stop face preferably extends at least substantially perpendicular to the main extension axis. "Substantially perpendicular" can be understood as an orientation of a direction relative to a reference direction, wherein the direction and the reference direction in particular enclose an angle of 90° when viewed in a projection plane, and the angle has a maximum deviation of in particular less than 8°, advantageously less than 5°, particularly advantageously less than 2°. The stop unit is preferably symmetrically configured with respect to the main extension axis. In the assembly position, the stop unit, in particular the stop element, preferably the stop face, rests against the liquid tank.

[0021] Furthermore, it is proposed that at least a portion of the stop unit is movable relative to the surrounding wall. Advantageously, the assembly position can be marked haptically. A particularly high degree of user comfort can be achieved. At least a portion of the stop unit, preferably the stop element, is connected elastically deflectable with the base body.

[0022] It is further proposed that the assembly unit has a ramp element which is designed to produce a movement of a part of the stop unit when assembled on the filter receptacle. Advantageously, a tactile marking of the assembly position can be realized in a particularly simple manner in terms of design. The tactile marking of the assembly position can be realized in a particularly cost-effective manner. The ramp element is preferably designed in one piece with the stop element. The ramp element preferably has a ramp surface which is designed to interact with the liquid tank, preferably the outlet opening, when the pressure cleaner filter device is assembled. The ramp element is preferably designed to rest, preferably to stop, on the liquid tank when the pressure cleaner filter device is assembled, preferably in order to produce a movement of the stop element relative to the base body. The ramp surface preferably extends at an angle to the main extension axis of the pressure cleaner filter device. The ramp element is in particular designed to provide the user with a tactile feedback, preferably by means of a snap-in feedback, with regard to the assembly of the pressure cleaner filter device on the filter receptacle. The movement of the part of the stop unit preferably extends radially relative to the main extension axis. In particular, the part of the stop unit, preferably the stop element, moves in the direction of the main extension axis when assembled.

[0023] It is further proposed that the stop unit has at least one recess for the flow-through of liquid in the state in which it is assembled on the filter receptacle. Advantageously, the assembly position can be indicated particularly reliably, while at the same time complete emptying of the liquid tank is achieved in the case of assembly of the pressure cleaner filter device.

[0024] It is further proposed that the assembly unit has a ribbed insertion end, in particular arranged on the end of the base body which faces away from the assembly grip element, for fastening on the filter receptacle of the cleaner. Advantageously, a tactile feedback can be given to the user in a particularly simple manner in terms of design with regard to the assembly of the pressure cleaner filter device on the filter receptacle. A particularly high user comfort can be achieved. The ribbed insertion end preferably has at least one rib, preferably at least two ribs, in particular preferably three or more ribs. The main extension plane preferably extends at least substantially perpendicular to the main extension axis. The ribs differ, for example, in their maximum extension in the radial direction, in particular relative to the radial direction of the main extension axis. The maximum extension of the ribs in the radial direction, in particular relative to the radial direction of the main extension axis, increases in particular in the direction of the assembly grip element.

[0025] In one aspect of the application, which can be considered in particular independently of the other aspects of the application, it is proposed that the pressure cleaner filter device has the assembly unit mentioned in particular previously, which has at least two receiving recesses for sealing elements, in particular O-rings, which are spaced apart from one another. Advantageously, a tactile feedback about the assembly of the pressure cleaner filter device on the filter receptacle can be given to the user on two different points by means of the two sealing elements arranged in the two receiving recesses spaced apart from one another. A particularly secure and / or comfortable assembly of the pressure cleaner filter device on the filter receptacle can be achieved. The receiving recesses are arranged spaced apart in particular in the axial direction with respect to the main extension axis. The pressure cleaner filter device preferably has two sealing elements mentioned in particular previously, preferably O-rings, which are arranged in the receiving recesses.

[0026] In one aspect of the application, which can be considered in particular independently of the other aspects of the application, it is proposed that the cleaner device has the assembly unit mentioned in particular previously, which has an indication unit, in particular of mechanical design, for indicating a state of assembly on the filter receptacle of the cleaner. Advantageously, an optical marking of the assembly position can be given to the user in a particularly simple manner in terms of design. A particularly reliable and user-friendly assembly of the pressure cleaner filter device on the filter receptacle can be achieved. The indication unit preferably has at least one indication element. The indication element is preferably movably arranged with respect to the base body and in particular with respect to the stop unit. The indication unit, in particular the indication element, is preferably arranged on the stop unit, in particular on the stop element. The indication element is preferably designed as a rubber component. However, it is alternatively also conceivable that the indication element is designed as a metal component or the like. The indication element preferably has a signal color, preferably red or alternatively yellow, orange or another color which appears meaningful to the person skilled in the art. The stop element preferably has a recess in which a protrusion of the indication element, in particular an indication protrusion, is arranged. Preferably, a movement of the indication unit, in particular of the indication element, with respect to the stop unit can be generated by the assembly of the pressure cleaner filter device on the filter receptacle, preferably by a joint action, in particular a stop, of the indication element on the liquid tank. The protrusion protrudes in particular on the side of the recess which faces away from the other end side end, preferably in order to indicate the assembly position of the pressure cleaner filter device.

[0027] Furthermore, a portable cleaner having a pressure cleaner filter device according to the application is proposed. By means of this configuration of the cleaner, the pressure cleaner filter device can be assembled in the liquid tank of the cleaner in particular simply and / or reliably. Advantageously, the pressure cleaner filter device can be gripped particularly safely and / or simply, preferably with the aid of a tool, more preferably with the aid of a pair of needle-nose pliers or the like. A particularly high user comfort can be achieved. A particularly simple and quick disassembly and assembly of the pressure filter cleaning device can be achieved.

[0028] The pressure cleaner filter device according to the application and / or the portable cleaner according to the application should not be limited to the applications and embodiments described above here. The pressure cleaner filter device according to the application and / or the portable cleaner according to the application can in particular have a number of individual elements, components and units and method steps which deviate from those described here in order to meet the working methods described here. Furthermore, values within the value ranges given in the present disclosure should also be considered as disclosed and freely usable. BRIEF DESCRIPTION OF DRAWINGS

[0029] Further advantages result from the following description of the drawings. Embodiments of the application are shown in the drawings. The drawings, the description and the claims contain a plurality of features in combination. The person skilled in the art can also consider the features individually and in accordance with the purpose and summarize them into meaningful further combinations. The drawings show:

[0030] Figure 1 perspective view of a portable cleaner according to the application;

[0031] Figure 2 cut view of a part of a portable with a pressure filter cleaning device;

[0032] Figure 3a enlarged view of a pressure filter cleaning device in a state arranged in a portable cleaner;

[0033] Figure 3b : Figure 2 enlarged view of a cut view of a pressure filter cleaning device;

[0034] Figure 4 perspective view of a pressure filter cleaning device;

[0035] Figure 5 perspective view of a first alternative embodiment of a pressure cleaner filter device;

[0036] Figure 6 perspective view of a second alternative embodiment of a pressure cleaner filter device;

[0037] Figure 7 perspective view of a part of a third alternative embodiment of a pressure cleaner filter device;

[0038] Figure 8 perspective view of a part of a fourth alternative embodiment of a pressure cleaner filter device;

[0039] Figure 9 perspective view of a fifth alternative embodiment of a pressure cleaner filter device. DETAILED DESCRIPTION

[0040] Figure 1 A portable cleaner 12a is shown. The cleaner 12a is configured as a low pressure cleaner. The low pressure cleaner is set up for generating a liquid pressure of maximum 25 bar. It is conceivable that the water pressure of the cleaner 12a is adjustable. It is alternatively also conceivable that the cleaner 12a is configured as a high pressure cleaner.

[0041] The cleaner 12a is configured as a wireless, in particular battery operated, cleaner. The cleaner 12a has an energy storage receiver 50a for receiving an energy storage (not shown here), for example a battery pack or a battery pack. The energy storage receiver 50a has an electrical interface (not shown here) for electrical connection with the energy storage. It is conceivable that the energy storage is part of the cleaner 12a. The energy storage receiver 50a has a closure element 52a, for example a lid, for closing an area in the energy storage receiver 50a for receiving the energy storage.

[0042] It is conceivable that the energy storage can be removed from the energy storage receiver 50a, preferably without tools, for example for charging and / or exchanging, etc. It is alternatively conceivable that the energy storage is integrated in the housing unit 54a of the cleaner 12a and can be released from the energy storage receiver 50a, in particular with the aid of a tool, etc.

[0043] The cleaner 12a has a drive unit 68a. The drive unit 68a has a motor, for example an electric motor. The cleaner 12a has a pump 70a. The pump 70a is set up for conveying liquid in the hose 56a of the cleaner 12a to a liquid output unit 58a arranged on the free end of the hose 56a, for example a cleaning nozzle, a lance, etc. The drive unit 68a is set up at least for driving the pump 70a. The drive unit 68a is connected with the energy storage receiver 50a, preferably with the electrical interface, in particular at least electrically. The drive unit 68a can be supplied with electrical energy by the energy storage.

[0044] The cleaner 12a has a control and / or regulating unit (not shown here) for controlling the drive unit 68a. The control or regulating unit in particular comprises at least one processor, a storage element and a program for execution stored on the storage element. The storage element is preferably configured as a digital storage medium, for example a hard disk, etc. The control or regulating unit is at least partially arranged in the housing unit 54a in which the drive unit 68a and / or the pump 70a are arranged.

[0045] The cleaner 12a has a liquid tank 60a for receiving a liquid. The liquid tank 60a has an inlet opening 62a for filling the liquid tank 60a with a cleaning liquid, such as water and / or a cleaning agent. The liquid tank 60a has an outlet opening (not shown here) for discharging the liquid from the liquid tank 60a. The outlet opening is fluidically connected to the pump 70a, in particular via a connecting hose or the like. The hose 56a is fluidically connected to the liquid tank 60a. The pump 70a is fluidically arranged between the hose 56a and the outlet opening of the liquid tank 60a. The cleaner 12a has a closure element 64a, such as a lid or the like, for closing the inlet opening 62a of the liquid tank 60a.

[0046] The liquid tank 60a is arranged on the housing unit 54a, preferably within the housing unit 54a, more preferably integrated into the housing unit 54a, for example at least partially unitarily constructed with the housing unit.

[0047] The portable cleaner 12a has a pressure cleaner filter device 10a (see Figure 2 ). The pressure cleaner filter device 10a has a base body 14a (see Figure 4 ). The base body 14a has a surrounding wall 16a. The surrounding wall 16a has a plurality of filter slots 18a (in Figure 4 , two of the filter slots 18a are each provided with reference numerals for the sake of clarity). The filter slots 18a are configured for guiding the liquid to be filtered therethrough. The pressure cleaner filter device 10a has an assembly unit 20a. The assembly unit 20a has an assembly grip element 24a arranged on an end side end 22a of the base body 14a. The assembly grip element 24a protrudes from the base body 14a.

[0048] The pressure cleaner filter device 10a is configured as a pressure cleaner liquid filter for filtering a liquid in a pressure cleaner, preferably in the cleaner 12a. The pressure cleaner filter device 10a is configured for being arranged at the outlet opening 66a of the liquid tank 60a. The pressure cleaner filter device 10a is configured for filtering the liquid from the liquid tank 60a, in particular between the liquid tank 60a and the pump 70a and / or the hose 56a. The pressure cleaner filter device 10a is for example configured as a 300 pm liquid filter. However, it is alternatively also conceivable that the pressure cleaner filter device 10a is configured for filtering other particle sizes which appear meaningful to the person skilled in the art. The total filter area of the pressure cleaner filter device 10a is for example here at least 1000 mm 2 , preferably at least 1200 mm 2 , particularly preferably at least 1300 mm 2 . Here, the total filter area of the pressure cleaner filter device 10a is for example here at most 2000 mm 2 , preferably at most 1500 mm2 , particularly preferably max. 1400 mm 2 . However, it is alternatively also conceivable for the total filter area to be less than 1000 mm 2 or more than 2000 mm 2 .

[0049] The pressure cleaner filter device 10a is cup-shaped. The circumferential wall 16a consists at least of ribs and filter slots 18a for guiding the liquid filtered through. The base body 14a is closed on the end-side end 22a on which the fitting grip element 24a is arranged, in particular the base body 14a has a closed bottom 72a on this end-side end. It is alternatively conceivable for the base body 14a to have at least one filter slot on the end-side end 22a for guiding the liquid filtered through. On the further end-side end 74a of the base body 14a, in particular arranged on the side facing away from the end-side end 22a, the base body 14a has an opening 76a, in particular a liquid flow-through opening.

[0050] The filter slots 18a each have a filter element 78a, for example a filter mesh or the like. The filter elements 78a completely fill the respective slot 80a of the filter slots 18a. It is alternatively conceivable for the ribs to constitute a filter grid or filter mesh of the pressure cleaner filter device, wherein the filter slots can be arranged without a filter element therein.

[0051] The fitting grip element 24a is arranged on the side of the base body 14a facing away from the further end-side end 74a, in particular on the outer side 82a of the base body 14a. The fitting grip element 24a is protrudingly configured from the base body 14a. The fitting grip element 24a is integrally configured with the base body 14a, in particular with the ribs and / or the bottom 72a of the base body 14a.

[0052] It is conceivable for the cleaner 12a to have a liquid pre-filter (not shown here), which is preferably provided for filtering the liquid before it enters into the liquid tank 60a, in particular before it enters through the inlet opening 62a. The liquid pre-filter is preferably provided for being arranged at the inlet opening 62a. The liquid pre-filter is preferably arranged at the inlet opening 62a detachably. The liquid pre-filter is for example configured as a 300 pm-liquid filter. However, it is alternatively also conceivable for the liquid pre-filter to be provided for filtering other particle sizes which appear meaningful to the person skilled in the art.

[0053] Here, the fitting grip element 24a has here for example four profiled, in particular toothed, fitting grip faces 26a (in Figure 4 , only two of the four fitting grip faces 26a are provided with reference numerals). It is alternatively also conceivable for the fitting grip element 24a to have fewer, for example one, two or three fitting grip faces 26a, or more than four fitting grip faces 26a.

[0054] The pressure cleaner filter device 10a has a main extension axis 28a. The assembly gripping faces 26a of the assembly gripping elements 24a each have an orientation 32a which is angled to the main extension axis 28a. The assembly gripping faces 26a extend at least substantially parallel to one another. Each two assembly gripping faces 26a are arranged one above the other on sides which face away from one another. The assembly gripping faces 26a have orientations 32a which at least partially differ from one another.

[0055] The angle between the main extension axis 28a and the respective orientation of the assembly gripping faces 26a is less than 90°, preferably less than 45°, particularly preferably less than 30° and greater than 10°, preferably greater than 15°. The assembly gripping faces 26a are arranged symmetrically with respect to the main extension axis 28a.

[0056] The assembly gripping elements 24a each have a tool stop contour 34a which at least partially bounds the assembly gripping face 26a. The tool stop contour 34a is provided for limiting, preferably preventing, a rotation of a tool, preferably a pair of needle-nose pliers, with respect to the assembly gripping face 26a when the assembly gripping face 26a is gripped. The tool stop contour 34a is provided for forming an axial stop for a tool with respect to the main extension axis 28a. The tool stop contour 34a provides a three-sided limitation of the respective assembly gripping face 26a.

[0057] The assembly unit 20a has a stop unit 36a which is arranged on the surrounding wall 16a. The stop unit 36a is provided for indicating an assembly position on a filter receptacle 38a of the cleaner 12 (see Figure 3a and Figure 3b ).

[0058] The filter receptacle 38a is arranged at the outlet opening 66a, preferably at least partially formed by the outlet opening 66a. It is alternatively conceivable that the stop unit 36a has only one stop element 84a or more than two stop elements 84a. The stop unit 36a, preferably the stop elements 84a, is / are integrally configured with the base body 14a, in particular with the ribs. The stop elements 84a are configured as protrusions on the surrounding wall 16a. A main extension plane of the stop elements 84a extends at least substantially perpendicular to the main extension axis 28a. The stop elements 84a each have a stop face 86a which is arranged in particular facing away from the assembly gripping elements 24a. The stop face 86a extends at least substantially perpendicular to the main extension axis 28a. The stop unit 36a is symmetrically configured with respect to the main extension axis 28a. In the assembly position, the stop unit 36a, in particular the stop elements 84a, preferably the stop faces 86a, lies against the liquid tank 60a.

[0059] The stop unit 36a has two notches 44a for the passage of liquid when mounted on the filter receptacle 38a. The notches 44a are arranged between the stop elements 84a in a circumferential direction, in particular, extending in a plane perpendicular to the main axis of extension. Alternatively, it is conceivable that the stop unit 36a has only one notch 44a or more than two notches 44a.

[0060] exist Figures 5 to 9 The following description and drawings are basically limited to the differences between the various embodiments. In particular, for components with the same reference numerals, reference can also be made to the drawings and / or descriptions of other embodiments, especially Figures 1 to 4 In order to distinguish the embodiments, the letter a is placed in Figures 1 to 4 After the reference numerals of the embodiments in FIG. Figures 5 to 9 In the embodiment of FIG. 1 , the letter a is replaced by letters b to f.

[0061] Figure 5 A pressure cleaner filter device 10b is shown for a particularly portable cleaner, preferably for a low-pressure cleaner. The pressure cleaner filter device 10b has a base body 14b. The base body 14b has a surrounding wall 16b. The surrounding wall 16b has a plurality of filter slots 18b (in Figure 5 Only one filter slot 18b is provided with a reference numeral. The filter slot 18b is provided for guiding liquid therethrough in a filtered manner.

[0062] The pressure cleaner filter device 10b has a mounting unit 20b. The mounting unit 20b has a mounting grip element 24b which is arranged on a front end 22b of the main body 14b and in particular protrudes from the main body 14b.

[0063] The assembly unit 20b has a ribbed insertion end 30b for fastening to the filter receptacle of the pressure cleaner. The ribbed insertion end 30b is arranged on the end of the base body 14b facing away from the assembly grip element 24b. The ribbed insertion end 30b has three ribs 88b. Alternatively, it is conceivable that the insertion end 30b has only one rib 88b, two ribs 88b, or more than three ribs 88b. The main extension plane of the ribs 88b extends at least substantially perpendicular to the main extension axis of the pressure cleaner filter device 10b. The ribs 88b differ, for example, in their maximum extension in a radial direction, particularly in a radial direction relative to the main extension axis. The maximum extension of the ribs 88b in a radial direction, particularly in a radial direction relative to the main extension axis, particularly increases in the direction toward the assembly grip element 24b.

[0064] Figure 6A pressure cleaner filter device 10c for a cleaner, in particular a portable cleaner, preferably for a low-pressure cleaner, is shown. The pressure cleaner filter device 10c has a base body 14c. The base body 14c has a surrounding wall 16c. The surrounding wall 16c has a plurality of filter slots 18c (in the Figure 6 only one filter slot 18c is provided with reference numerals). The filter slots 18c are configured to guide the passage of liquid filtered.

[0065] The pressure cleaner filter device 10c has an assembly unit 20c. The assembly unit 20c has an assembly grip element 24c arranged on an end-side end 22c of the base body 14c and protruding in particular from the base body 14c.

[0066] The assembly unit 20c has two receiving grooves 46c for a sealing element (not shown here), in particular for an O-ring, which are spaced apart from one another. It can be considered that the sealing element is part of the pressure cleaner filter device 10c. The receiving grooves 46c are arranged spaced apart in an axial direction with respect to a main extension axis of the pressure cleaner filter device 10c.

[0067] Figure 7 A part of a pressure cleaner filter device 10d for a cleaner, in particular a portable cleaner, preferably for a low-pressure cleaner, is shown. The pressure cleaner filter device 10d has a base body 14d. The base body 14d has a surrounding wall 16d. The surrounding wall 16d has a plurality of filter slots 18d (in the Figure 7 only one filter slot 18d is provided with reference numerals). The filter slots 18d are configured to guide the passage of liquid filtered.

[0068] The pressure cleaner filter device 10d has an assembly unit 20d. The assembly unit 20d has an assembly grip element (not shown here) arranged on an end-side end (not shown here) of the base body 14d and protruding in particular from the base body 14d.

[0069] The assembly unit 20d has an indication unit 48d, in particular of mechanical design, for indicating a state of assembly on a filter receptacle of a cleaner. The indication unit 48d has an indication element 92d. The indication element 92d is movably arranged with respect to the base body 14d, in particular with respect to a stop unit 36d of the pressure cleaner filter device 10d. The indication element 92d is arranged on the stop unit 36d, in particular on a stop element 84d of the stop unit 36d. The indication element 92d is designed as a rubber component. However, it can also be considered that the indication element 92d is designed as a metal component or the like. It can be considered that the indication element 92d has a signal color, preferably red, or alternatively yellow, orange or another color that appears meaningful to the person skilled in the art.

[0070] The stop element 84d has a recess 94d. The projection 96d of the indication element 92d, in particular the indication projection, is arranged in the recess 94d. By fitting the pressure cleaner filter device 10d on the filter receptacle of the cleaner 10d a movement of the indication unit 48d, in particular of the indication element 92d, relative to the stop unit 36d can be generated, preferably by a joint action, in particular a stop, of the indication element 92d on the liquid tank. The projection 96d protrudes from the side 98d of the recess 94d which faces away from the further end side end 74d, preferably in order to indicate the fitting position of the pressure cleaner filter device 10d.

[0071] Figure 8 A part of a pressure cleaner filter device 10e for a cleaner, in particular a portable cleaner, preferably for a low-pressure cleaner, is shown. The pressure cleaner filter device 10e has a base body 14e. The base body 14e has a surrounding wall 16e. The surrounding wall 16e has a plurality of filter slots 18e (in the drawing only one filter slot 18e is provided with reference numerals). The filter slots 18e are provided for guiding the passage of liquid to be filtered. Figure 8

[0072] The pressure cleaner filter device 10e has a fitting unit 20e. The fitting unit 20e has a fitting grip element (not shown here) which is arranged on an end side end (not shown here) of the base body 14e and which protrudes, in particular, from the base body 14e.

[0073] The fitting unit 20e has a stop unit 36e which is arranged on the surrounding wall 16e for indicating a fitting position on a filter receptacle of a cleaner.

[0074] At least a portion 40e of the stop unit 36e is movable relative to the surrounding wall 16e. This portion 40e of the stop unit 36e, preferably a stop element 84e, is elastically deflectable connected with the base body 14e. The stop element 84e corresponds to this portion 40e of the stop unit 36e. The stop element 84e is integrally formed with the base body 14e.

[0075] The fitting unit 20e has two ramp elements 42e. The ramp elements 42e are provided for generating a movement of the portion 40e of the stop unit 36e, in particular of the stop element 84e, when fitted on a filter receptacle. One of the ramp elements 42e is respectively arranged on the stop element 84e. The ramp elements 42e are integrally formed with the stop element 84e.

[0076] ​The ramp elements 42e have ramp faces 90e, respectively. The ramp faces 90e are configured to cooperate with a liquid tank, preferably an outlet opening of a liquid tank, when the pressure cleaner filter device 10e is assembled. The ramp elements 42e are configured to abut, preferably to be stopped against, a liquid tank, preferably in order to generate a movement of the stop element 84e relative to the base body 14e when the pressure cleaner filter device 10e is assembled. The ramp faces 90e extend at an angle to the main extension axis of the pressure cleaner filter device 10e. The ramp elements 42e are configured to provide a user with a haptic feedback, preferably with a snap-in feedback, regarding the assembly of the pressure cleaner filter device 10e on a filter receptacle. The movement of the portion 40e of the stop unit 36e extends radially relative to the main extension axis. In particular, the portion 40e of the stop unit 36e, preferably the stop element 84e, is moved in the direction of the main extension axis when assembled.

[0077] Figure 9 A pressure cleaner filter device 10f for a cleaner, preferably for a low-pressure cleaner, is shown, in particular a portable cleaner. The pressure cleaner filter device 10f has a base body 14f. The base body 14f has a surrounding wall 16f. The surrounding wall 16f has a plurality of filter slots 18f (in the Figure 9 , only one filter slot 18f is provided with reference numerals). The filter slots 18f are configured to guide a liquid to be filtered therethrough.

[0078] The pressure cleaner filter device 10f has an assembly unit 20f. The assembly unit 20f has an assembly grip element 24f arranged on an end side end 22f of the base body 14f and protruding, in particular, from the base body 14f. The assembly grip element 24f is configured in the form of a bail.

Claims

1. A pressure cleaner filter device (10a-10f), in particular a pressure cleaner liquid filter, for a particularly portable cleaner (12a), preferably for a low-pressure cleaner, the pressure cleaner filter device comprising a base body (14a-14f) having a surrounding wall (16a-16f), wherein: The surrounding wall (16a–16f) has at least one filter slot (18a–18f) for guiding liquid to be filtered through, and is characterized by having an assembly unit (20a–20f) having at least one assembly grip element (24a–24c) which is arranged on the end-side end (22a–22f) of the base body (14a–14f) and in particular protrudes from the base body (14a–14f).

2. The pressure cleaner filter device (10a-10e) according to claim 1, characterized in that The assembly grip elements (24a-24c) have a profiled, in particular toothed, assembly grip surface (26a).

3. The pressure cleaner filter device (10-10f) according to claim 1 or 2, characterized in that A main extension axis (28a) is provided, wherein the assembly grip surface (26a) of the assembly grip element (24a-24c) has an orientation (32a) at an angle to the main extension axis (28a).

4. The pressure cleaner filter device (10-10f) according to any one of the preceding claims, characterized in that The assembly grip element (24a-24c) has an assembly grip surface (26a) and a tool stop contour (34a) at least partially delimiting the assembly grip surface (26a).

5. A pressure cleaner filter device (10a-10f) at least according to the preamble of claim 1, in particular according to any one of the preceding claims, characterized in that A mounting unit (20a-20f) is provided having at least one stop unit (36a-36f) arranged on the surrounding wall (16a-16f) for marking a mounting position on a filter receiving portion (38a) of the cleaning device (12a).

6. The pressure cleaner filter device (10e) according to claim 5, characterized in that At least a portion (40e) of the stop unit (36e) is movable relative to the surrounding wall (16e).

7. The pressure cleaner filter device (10e) according to claim 6, characterized in that The mounting unit (20e) has a ramp element (42e) which is provided for generating a movement of the part (40e) of the stop unit (36e) when mounted on the filter receptacle (38a).

8. The pressure cleaner filter device (10a-10f) according to any one of claims 5 to 7, characterized in that The stop unit (36a-36f) has at least one recess (44a) for the passage of liquid when mounted on the filter receptacle (38a).

9. The pressure cleaner filter device (10b) according to any one of the preceding claims, characterized in that The mounting unit (20b) has a ribbed insertion end (30b) arranged, in particular, on the end of the base body (14b) facing away from the mounting grip element (24b) for fastening to a filter receptacle (28a) of the cleaning device (12a).

10. A pressure cleaner filter device (10c) at least according to the preamble of claim 1, in particular according to any of the preceding claims, characterized in that A mounting unit (20c) is provided, which has at least two receiving grooves (46c) spaced apart from one another for sealing elements, in particular for O-rings.

11. A pressure cleaner filter device (10d) according to at least the preamble of claim 1, in particular according to any of the preceding claims, characterized in that A mounting unit (20d) is provided, which has an indicator unit (48d), in particular a mechanically designed indicator unit, for indicating a state of mounting on a filter receiving portion (38a) of the cleaning device (12a).

12. A portable cleaner (12a) having a pressure cleaner filter device (10a-10f) according to any one of the preceding claims.

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