Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/02—Cleaning by the force of jets or sprays
  • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
  • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
  • B08B2203/0211—Case coverings

Definitions

• the invention relates to a high-pressure cleaning device, comprising a tubular frame as a supporting structure, a motor for driving a pump unit, an electrically connected to the motor electrical device having a housing with electrical components accommodated therein, and a holder for holding the electrical device to the tubular frame.
• high-pressure cleaning devices are usually structurally simple and robust and designed for a labor-intensive and time-consuming cleaning operation.
• the high-pressure cleaning devices are typically characterized by high flow rates, for example, about 500 l to about 1000 l per hour, and at the same time by a high working pressure of about 150 bar.
• a high-pressure cleaning device of the type mentioned, for example, the type “HD 16 / 15-4" of the Applicant which is connected to the motor electrical device is provided, which is usually designed as a switching device.
• the electrical device has an actuator for the user to turn on and off the engine, optionally also for selecting the operating mode of the engine and thus the high-pressure cleaner.
• the electrical components for example electrical switching elements, are accommodated in a receiving space formed by the housing.
• a plate-shaped holding part is provided for holding the electrical device on the tubular frame, on which the electrical device is positioned and which is connected by welding material fit with the tube frame.
• This type of holder of the electrical device has proven to be robust and reliable in practice. Nevertheless, it would be desirable to provide a high pressure cleaning device in which the electrical device is halterbar in a structurally simpler way.
• Object of the present invention is to develop a high-pressure cleaner of the type mentioned so that the electrical device can be supported in a structurally simpler manner on the frame.
• the holder comprises at least one housing connected to the holding member having a tube receiving, in which a pipe section of the tubular frame is inserted through an insertion and the at least partially the tube receiving limiting support member comprises or forms for supporting on the pipe section and for securing the at least one retaining element against movement transverse to a longitudinal direction of the pipe section.
• the holder comprises in the high-pressure cleaning device according to the invention at least one holding element with a tube receiving a pipe section of the tubular frame.
• the pipe section can be inserted through an insertion opening into the pipe receptacle and secured therein by means of at least one tube receiving at least partially limiting support member.
• the at least one support member may act as a stop member of the pipe receiving the pipe section. This makes it possible to secure the at least one holding element against movement transversely to the pipe section.
• the at least one retaining element can be secured against movement in a plane perpendicular to the longitudinal direction of the pipe section.
• a positive and / or non-positive connection of the at least one retaining element with the pipe section can be ensured and beyond a correct relative positioning of the holder and the pipe frame to each other.
• the at least one retaining element immovable already with the insertion of the pipe section in the pipe receiving Tubular frame is held.
• the pipe section is movably held in the pipe receiving and the holder for final fixation of the at least one holding element has a further fixing member.
• tubular frame section is assumed to be positioned in the tube receiving.
• Position and orientation information such as "front”, “rear”, “horizontal”, “vertical” or the like are presently considered to refer to an operating position of the high-pressure cleaner, in which this is positioned on a horizontal footprint.
• "Longitudinal direction" of the high-pressure cleaning apparatus in the present case refers to a longitudinal direction of the high-pressure cleaning device which, in the case of a mobile high-pressure cleaning device, corresponds to its main direction of movement.
• the at least one support member is designed as the pipe section at least partially embracing support wall.
• the pipe section can abut flat against the support member and the at least one retaining element can be reliably secured against movement transversely to the pipe section.
• rib-shaped or knob-shaped support members are arranged on the pipe receiving the pipe section, where the pipe section can strike.
• the at least one support member is adapted to an outer contour of the pipe section.
• the at least one support member in the circumferential direction of the pipe section is in particular designed to be round and can be applied flat to the pipe section.
• the at least one retaining element can be reliably secured against movement transversely to the longitudinal direction of the pipe section when the pipe section is arranged without play or substantially free of play in the pipe receiving, in at least one spatial direction transverse to the longitudinal direction of the pipe section.
• the tube section is arranged in at least one first spatial direction transversely to its longitudinal direction free of play or substantially free of play in the tube receptacle, wherein this may also be provided in a second spatial direction transverse to its longitudinal direction and transversely to the first spatial direction. It can also be provided that the pipe section is arranged in the second spatial direction with play in the pipe receiving. This facilitates the insertion of the pipe section in the pipe receiving.
• more than just one retaining element is provided, for example, two holding elements which cooperate with different pipe sections of the tubular frame, the game allows in the second spatial direction further compensation of possible tolerances in the production of the holder.
• the tube receptacle has an axial insertion opening, via which the at least one holding element can be pushed onto the tube section in the longitudinal direction.
• a pipe comprising the pipe section can, with respect to its longitudinal direction, be inserted axially with a free end into the insertion opening and thereby the at least one retaining element can be pushed onto the pipe section.
• the electrical device can be positioned in a simple manner relative to the tube frame and secured thereto.
• the tube receptacle has a radial insertion opening, via which the at least one holding element can be placed on the tube section transversely to the longitudinal direction of the tube section and in particular clamped onto the latter.
• the at least one retaining element can be guided radially over the pipe section, relative to its longitudinal direction, and thereby be positioned relative to the pipe section.
• the pipe receiving means may comprise elastically deformable support members, which may partially surround the pipe section and may serve to clamp the at least one retaining element on the pipe section.
• the at least one holding element is designed to be movable in the longitudinal direction of the pipe section arranged in the pipe receptacle and if the holder for fixing the at least one holding element relative to the pipe section against movement in the longitudinal direction comprises a fixing member.
• the at least one retaining element is axially movable relative to the pipe section inserted into the pipe receptacle, so that the relative positioning of the at least one retaining element and the pipe section can be carried out in a simple manner.
• the holding element can be fixed by means of a fixing member of the holder on the tube frame. This is for example advantageous if the at least one retaining element, as mentioned above, can be pushed onto the pipe section.
• the tube receiving sleeve-shaped, ösenförmig or socket-shaped configuration In a structurally simple embodiment of the high-pressure cleaning device according to the invention, the tube receiving sleeve-shaped, ösenförmig or socket-shaped configuration.
• the enclosure of the sleeve receiving, sleeve or eyelet formed by the pipe receiving forms the at least one support member on which support the pipe section and thereby secure the at least one retaining element against movement transverse to the pipe section.
• the sleeve, eyelet or bushing may have a cylindrical cross-section which is adapted to a cylindrical cross-section of the pipe section and allows its backlash-free or substantially play-free arrangement in the pipe receiving in two transversely aligned spatial directions transverse to the longitudinal direction.
• the sleeve, eyelet or bushing may preferably have in particular an oval cross-section.
• the sleeve-shaped, eye-shaped or bush-shaped tube receptacle is closed in the circumferential direction of the pipe section in itself to ensure reliable securing of the at least one retaining element against movement transverse to the pipe section.
• This also makes it possible to postpone the at least one holding element, as mentioned above, in the longitudinal direction of the pipe section.
• the sleeve-shaped, eye-shaped or socket-shaped tube receiving is broken in the circumferential direction of the pipe section and thereby has a radial insertion opening for the pipe section.
• the at least one retaining element can be placed transversely to the longitudinal direction of the pipe section on this and in particular clamped.
• the high-pressure cleaning device comprises or forms an alignment element which cooperates with the at least one retaining element for relative positioning of the at least one retaining element and of the pipe section in its longitudinal direction.
• the alignment element is, for example, a projection arranged on the tubular frame, which acts as a stop element when the at least one retaining element is pushed onto the pipe section in order to limit the movement of the at least one retaining element in the longitudinal direction of the pipe section. It can be provided that the at least one retaining element assumes a desired position when it is on Aligning element strikes in which it can be fixed by means of a fixing member of the holder.
• the alignment element is preferably formed by a stiffening element stiffening the tubular frame, which connects two tubes of the tubular frame oriented at an angle to one another.
• the electrical device is spaced from the engine and, apart from an electrical cable connection, free from further direct mechanical connection to the engine.
• This allows a mechanical decoupling of the electrical device from the engine. From the engine outgoing vibrations are not transmitted directly to the electrical device, so that it is exposed to lower mechanical loads. This proves to be advantageous in the above-mentioned labor and time-intensive cleaning use with the tube frame device.
• the electrical device is arranged above the motor at a distance therefrom.
• a structurally simple embodiment of the holder can be achieved in that the at least one holding element is integrally formed.
• the at least one retaining element is connected to a lower housing part of the housing. This gives, for example, the possibility of releasing an upper housing part which can be placed on the lower housing part from the lower housing part and exposing a receiving space of the housing, without the housing having to be detached from the tubular frame.
• the lower housing part can remain connected to the tubular frame.
• the at least one retaining element is integrally connected to the housing in order to provide a structurally simple design of the retaining element. achieve this.
• the at least one retaining element is integrally connected to the lower housing part, for example formed thereon.
• At least one holding element of the holder connected in one piece with the housing can be provided.
• the at least one retaining element can be configured in the present invention as described herein.
• the at least one retaining element is arranged on a tube of the tubular frame which extends at the rear side of the high-pressure cleaning device and extends in the vertical direction.
• this is favorable, since a user located behind the high-pressure cleaner device can access the electrical device for actuating in a simpler manner.
• the holder has two holding elements, which cooperate with one of two in the transverse direction of the high-pressure cleaning device spaced apart tubes of the tubular frame for holding the electrical device on the tubular frame.
• This allows a more reliable attachment of the electrical device to the tubular frame.
• the tubular frame can be stiffened by the holder comprising two retaining elements.
• the tubes are arranged for example on the back of the high-pressure cleaner and can be connected to one another with a handle in the form of a handle.
• the pipe receptacles of the holding elements are dimensioned so that the pipe sections of the pipes are arranged in the transverse direction of the high-pressure cleaner with play in the pipe receiving, transverse to it (especially in the longitudinal direction of the high-pressure cleaning device) backlash-free or substantially free of play.
• This makes it possible to compensate for possible tolerances in the manufacture of the holder.
• the holding elements are connected to the housing on opposite side walls of the housing and when the electrical device, based on the transverse direction of the high-pressure cleaning device, is disposed between the two tubes.
• the holder may in particular have a stiffening element interconnecting the two holding elements.
• the stiffening element may for example be designed plate-shaped.
• the stiffening element forms at least in sections a side wall of the housing, for example a rear side wall of a housing lower part. This makes it possible to achieve a structurally simple embodiment in which the stiffening element performs an additional function.
• the stiffening element at least in sections forms a rear wall of the high-pressure cleaning device.
• the housing may comprise a housing lower part and a housing upper part. It is advantageous if the housing comprises a lower housing part and a sealingly mounted on this upper housing part. To seal the housing elastic deformable sealing elements may be provided and / or formed between the upper housing part and the lower housing part labyrinth seal.
• the housing can be protected against rain and splash water, which offers the possibility to design the high-pressure cleaning device without a covering the electrical device hood.
• the high-pressure cleaner can be made structurally simpler and cheaper to manufacture.
• at least one vent opening for facilitating gas exchange between the housing interior and the atmosphere is formed on the housing. The at least one ventilation opening allows ventilation of the housing interior even with sealingly interconnected lower housing part and upper housing part, so that condensation inside the housing can be reduced.
• the at least one ventilation opening is formed in a bottom wall of the housing. This gives the possibility that condensate present in the housing can be discharged through the bottom wall out of the housing interior.
• At least one ventilation channel is connected to the outside of the housing, which opens into the housing interior via the at least one ventilation opening and opens into the atmosphere via an air inlet opening at its end remote from the housing.
• the at least one ventilation channel ensures on the one hand ventilation of the housing interior. On the other hand, it can act as a splash guard against liquid, which is deflected in the direction of the housing. Liquid may possibly enter through the air inlet opening in the at least one ventilation channel. Through the ventilation channel, however, can largely be avoided that the liquid passes through the at least one vent opening into the housing interior.
• the at least one ventilation duct is connected to a lower housing part of the housing, in particular if the at least one ventilation opening is arranged in a bottom wall of the housing.
• the at least one ventilation channel is integrally connected to the housing.
• it may be integrally connected to the lower housing part and molded thereto.
• the at least one ventilation duct runs away from the housing pointing downwards. For example, it stands down from a bottom wall of the housing.
• At least one ventilation opening is at least partially overlapping with respect to the passage direction of air through the ventilation opening, at least one fixing element for fixing an electrical component in the housing is formed on the housing.
• the at least one fixing element covers the at least one ventilation opening in relation to the passage direction and can thereby be structurally easily formed in the region of a tool parting line to the housing.
• the fixing element is in particular designed to be hook-shaped or eyelet-shaped.
• the at least one fixing element can serve for fastening a tension element, such as a cable tie, with which electrical components are fixed to the housing, for example capacitors.
• the electrical device comprises a receptacle for accessories.
• the receptacle is, for example, trough-shaped and open at the top.
• Accessories such as different jet nozzles or an operating manual can be stored in the storage compartment in a user-friendly way.
• the receiving compartment is conveniently connected to a lower housing part of the housing and can thereby remain fixed to the tubular frame, if a Upper housing part is released for engagement in the housing interior of the housing lower part.
• the receiving compartment is advantageously integrally connected to the housing.
• it is integrally connected to the lower housing part, for example, formed on this.
• the receiving compartment is arranged on the side facing away from the holder on the electrical device.
• the receiving compartment can be arranged, for example, in the longitudinal direction of the high-pressure cleaning device in front of the housing and in front of the holder.
• the high-pressure cleaning device is a mobile high-pressure cleaning device and comprises a pair of rotatable about a common axis of rotation running wheels. Beyond the wheels additional wheels can be provided. It is also conceivable that the high-pressure cleaning device comprises at least one pivotable steering roller. To move the high-pressure cleaner, as already mentioned, have a handle, such as a handle.
• Figure 1 a perspective view of a preferred embodiment of a high-pressure cleaning device according to the invention obliquely from behind;
• FIG. 2 is a perspective view of the high-pressure cleaning device of Figure 1 obliquely from the front, the hood has been removed;
• FIG. 3 shows a plan view of a lower housing part of an electrical device of the high-pressure cleaning device from FIG. 1 and
• FIG. 3 shows a plan view of a lower housing part of an electrical device of the high-pressure cleaning device from FIG. 1 and FIG
• Figure 1 shows a perspective view obliquely from behind a preferred embodiment of a generally designated by the reference numeral 10 high-pressure cleaning device, which is designed as a so-called "tube frame device" which comprises a tubular frame 12 as a supporting structure.
• the high-pressure cleaner 10 is designed robust and provided for a labor-intensive and time-consuming use in areas with typically medium to high pollution.
• the high-pressure cleaning device 10 has a rear side 14, a front side 15, a left side 16 and a right side 17, where position and orientation information such as “rear”, “front”, “top”, “bottom”, “horizontal”, “vertical” or the like present as to be considered based on an operating position of the high-pressure cleaning device 10 on a horizontal footprint 18. Furthermore, such position and orientation data are to be understood in relation to a longitudinal direction of the high-pressure cleaning device 10, which is symbolized in FIGS. 1 and 2 by an arrow 19. The longitudinal direction 19 corresponds to a main direction of movement of the high-pressure cleaning device 10 when it is moved by sliding over the footprint 18.
• the tube frame 12 has integrally connected tubes and includes a left tubular frame portion 20 on the left side 16 and a transversely spaced therefrom, only partially shown in the drawing right tubular frame portion 21 on the right side 17.
• the tubular frame sections 20 and 21 are at the Front side 15 by a front tubular frame portion 22 connected to each other.
• the tubular frame section 20 on the left has a vertical tube 23 and a horizontal tube 24 extending in the longitudinal direction 19 approximately over half of the high-pressure cleaning device 10.
• the right-hand tubular frame section 21 has a vertical tube 25 on the rear side 14 and a horizontal tube opposite the horizontal tube 24 and not shown in the drawing.
• the vertical tubes 23 and 25 are connected to one another by means of a handle in the form of a handle bracket 26.
• the handle bracket 26 is configured substantially U-shaped and at the upper ends of the vertical tubes 23 and 25 manually and in particular releasably fixed without tools.
• the upwardly extending tubes 23 and 25 could also be inclined relative to the vertical.
• the tube 24 and the corresponding tube of the tube frame section 21 could be inclined relative to the horizontal.
• the high-pressure cleaning device can be tilted about the support points of the wheels 28 and 29 on the footprint 18 and preferably in the longitudinal and main movement direction 19 is moved to move. However, it is also possible to pull the high-pressure cleaning device 10.
• the horizontal pipe 24 and the horizontal pipe, not shown, are connected at the bottom of the high-pressure cleaning device 10 by means of a support member in the form of a support plate 30.
• a motor pump unit 31 is fixed and aligned in the longitudinal direction 19.
• the motor pump unit 31 comprises a motor 32, which in the present case is designed as an electric motor.
• a pump unit 33 of the motor pump unit 31 is arranged and flanged to the motor 32.
• the motor pump unit 31 is covered on the back 14 in the transverse direction of the high-pressure cleaner 10 by a rear wall 34 protective.
• the rear wall 34 is fixed to the vertical tubes 23 and 25 and extends down to the support plate 30 and up to the top of the motor pump unit 31st
• an electrical device 36 of the high-pressure cleaning device 10 is arranged, which is designed as an electrical switching device.
• the electrical device 36 comprises a housing 37, whose rear end is arranged between the vertical tubes 23 and 25. Otherwise, the housing 37 is positioned upstream of the vertical tubes 23 and 25 in the longitudinal direction 19 on the high-pressure cleaning device 10.
• the housing 37 is fixed by means of a holder 38, which will be discussed below, to the vertical tubes 23 and 25 on the tubular frame 12.
• the housing 37 has a trough-shaped, one-piece, designed as a plastic mold part housing lower part 39 and a sealingly placed on this hood-shaped, one-piece, designed as a plastic mold part housing upper part 40 which define a receiving space 41 between them (in the figures 3 and 4 partially shown).
• An actuator in the form of a knob 42 passes through the housing top 40 upwards and is thus easily accessible by a user near the back 14.
• the motor 32 can be put into operation or out of service.
• electrical connection cable 43 is connected.
• the housing 37 in turn is connected via a further electrical connection cable 44 to the motor 32 in electrical connection.
• the connecting cables 43 and 44 are splash-proof guided by a bottom wall of the housing lower part 39 in the receiving space 41 (not shown).
• the electrical device 36 is not in direct mechanical connection with the motor 32. This allows a mechanical decoupling to protect the electrical device 36 against engine vibration.
• a trough-shaped and upwardly open receiving compartment 45 is arranged, in which, for example, accessories and / or an operating manual for the high-pressure cleaning device 10 can be positioned.
• shots 46 are formed for this purpose, in which, for example, high-pressure nozzles can be stored.
• the receptacle 45 is integrally formed with the lower housing part 39 and formed on this, so that the electrical device 36 is given a structurally simple design.
• the holder 38 with which the electrical device 36 is fixed to the tubular frame 12, comprises two holding elements 48.
• the holding elements 48 as well as their attachment to the vertical tubes 23 and 25, designed mirror-symmetrically with respect to a central longitudinal plane of the high-pressure cleaning device 10. For this reason, the main focus will be on the left-hand holding element 48, which is fastened to the vertical tube 23 on the left-hand side 14.
• the holding element 48 is formed integrally with the lower housing part 39 and formed on this, wherein it protrudes at the left side wall 49 to the left in the direction of the vertical tube 23. In a corresponding manner, the right holding element 48 protrudes from a right side wall 50 of the lower housing part 39.
• the retaining element 48 which is likewise embodied in one piece, comprises a tube receptacle 52, which is connected to the side wall 49 via an intermediate section 53.
• the tube holder 52 serves to receive a tube section 54 of the vertical tube 23, the outer contour of which is also shown in the plan view of the lower housing part 39 according to FIG. In corresponding
• the right-hand holding element 48 serves to receive a tube section 55 of the vertical tube 25.
• the tube sections 54 and 55 are at a distance from the upper ends of the vertical tubes 23 and 25, respectively.
• the tube receptacle 52 is designed as, with respect to a longitudinal direction of the vertical tube 23, axially extending sleeve 56 whose sleeve wall 57 is closed in the circumferential direction of the vertical tube 23 in itself.
• the sleeve 56 has an insertion opening 58 for the vertical tube 23, which can emerge from the sleeve 56 at an outlet opening 59 at the top.
• the sleeve 56 is adapted in shape and dimension to the shape of the cylindrical vertical tube 23 and its diameter, but in contrast to the tube portion 54, however, has an oval cross-section.
• the longitudinal direction 19 of the pipe section 54 can be positioned in the sleeve 56 is substantially free of play.
• the tube receiving 52 in the transverse direction of the high-pressure cleaning device 10 is slightly wider, so that the pipe section 54 can be positioned with some play in the pipe receiving 52.
• the pipe section 54 can be supported radially, transversely to the longitudinal direction of the vertical pipe 23, on the sleeve wall 57.
• the sleeve wall 57 forms a radial support member 60 of the holding element 48, with which the holding element can be secured against movement transversely to the longitudinal direction of the vertical tube 23.
• the pipe section 54 and the sleeve member 57 forming the support member 60 cooperate as stop elements.
• the sleeve 56 is dimensioned with respect to the vertical tube 23 so that it is displaceable in its longitudinal direction and that the fixing of the sleeve 56 takes place on the vertical tube 23 only by means of additional fixing members.
• the housing 37 can be attached to the tubular frame 12 by means of the holder 38 as follows: It is assumed that the handle bar 26 is detached from the tube frame 12. This is, as mentioned, manually and without tools possible by the user solves nut elements forming rotary handles 61 of screws that pass through the vertical tubes 23 and 25 and the legs of the handle bracket 26.
• the lower housing part 39 can be pushed over the free ends of the vertical tubes 23 and 25 with or without an upper housing part 40 placed thereon.
• the vertical tubes 23 and 25 are introduced via the insertion openings 58 in the sleeves 56 and can emerge with their free ends on the outlet openings 59 back out of these.
• the sleeves 56 can be moved until they assume a desired axial position in which the pipe sections 54 and 55 are positioned in the tube receptacles 52, ie those portions of the vertical tubes 23 and 25, in which the sleeves 56 in their desired position against radial Movement are secured.
• the desired position of the sleeves 56 is defined by the fact that stop elements are provided which limit the movement of the sleeves 56 down.
• the stiffening elements 62 and 63 are configured plate-shaped and connect the vertical tube 23 and the horizontal tube 24 and the vertical tube 25 with the horizontal tube, not shown. In desired position, the sleeves 56 abut on upper edges of the reinforcing elements 62 and 63. Further stop elements are formed by the rear wall 34 which is fixed to the vertical tubes 23 and 25. The sleeves 56 can on the vertical tubes 23 and 25 on the rear wall 34 come to rest.
• the desired position engaging sleeves 56 can be fixed by means of fixing members, in the present case in the form of screws 64, to the pipe sections 54 and 55 and thereby the housing 57 are fixed to the holder 38 on the tube frame 12.
• the above-explained embodiment of the holder 38 is on the one hand structurally simple and on the other hand allows a user-friendly installation of the electrical device 36 on the tubular frame 12.
• the electrical device 36 can be mounted quickly, said a first relative positioning of the housing 37 and the tubular frame 12 takes place.
• the sleeves 56 the housing 37 is secured against movement transverse to the longitudinal direction of the vertical tubes 23 and 25, so that the relative pre-positioning is maintained.
• the essentially play-free gripping around the vertical tubes 23 and 25 by the sleeves 56 in the longitudinal direction 19 enables a particularly reliable relative positioning.
• the encompassing of the vertical tubes 23 and 25 through the sleeves 56 with play in the transverse direction of the high-pressure cleaning device 10 allows compensation of possible manufacturing tolerances in the manufacture of the holder 38 and also makes it easier to slide the sleeves 56 over the vertical tubes 23 and 25. Striking the sleeves 56 on the bottom of the stop elements, it is easily ascertainable for the user that the housing 37 has reached its intended position. In particular, the housing 37 is secured against further movement along the vertical tubes 23 and 25 and can be easily fixed by means of the screws 64 to these.
• the holding elements 48 are connected to each other in the transverse direction of the high-pressure cleaning device 10 by means of a plate-shaped stiffening element 65 of the holder 38.
• the stiffening element 65 is arranged between the vertical tubes 23 and 25, and it forms an upper-side extension of the rear wall 34. At the same time, the stiffening element 65 forms the rear side wall 66 of the housing lower part. This allows a further structural simplification of the electrical device 36 and the holder 38.
• the upper housing part 40 is sealingly placed on the lower housing part 39.
• a labyrinth seal is formed between the lower housing part 39 and the upper housing part 40, which in the Drawing is not shown. This makes it possible to protect the housing 37 against ingress of spray water.
• the high-pressure cleaning device 10 can therefore also be operated without a hood, as shown in FIG.
• the high-pressure cleaning device 10 comprises a hood 68 which covers the motor pump unit 31 and the electrical device 36 on the top.
• the hood 68 is pivotally mounted on the vertical tubes 23 and 25 about a horizontal pivot axis and can be converted from the closed position shown in Figure 1 in an open position. In the open position, not shown, the hood 68 is aligned approximately vertically and locked to the tube frame 12 with screw heads of cooperating with the rotary handles 61 screws.
• the hood 68 has an upper side, not shown in the drawing opening through which the knob 42 can be operated by a user even when the hood is closed.
• the sealed housing 37 has two ventilation openings 70.
• the ventilation openings 70 are formed in a bottom wall 61 of the housing lower part 39. Condensate may also be discharged from the bottom wall 71 via the vent holes 70.
• ventilation ducts 72 are formed, which open via the ventilation openings 70 in the receiving space 41 and open at the bottom air inlet openings 73 into the atmosphere.
• the purpose of the ventilation channels 72 is to prevent the liquid impinging on and deflecting from the high-pressure cleaning device 10 from entering the receiving space 41.
• high pressure liquid discharged from a high pressure gun 74 of the high pressure cleaner 10 could impact and be deflected by the carrier plate 30 or motor 32.
• Liquid which can enter the ventilation channels 72 via the air inlet openings 73 due to its elongated configuration, only reaches downwards with very little Ringer probability in the receiving space 41, since it can be intercepted by the walls of the ventilation channels 72.
• the ventilation channels 72 are arranged in the transverse direction of the high-pressure cleaning device 10 laterally adjacent to the motor 32 and at a relatively large distance from the support plate 30.
• the fixing elements 76 are integrally formed on the bottom wall 71.
• the fixing elements 76 have a bow-shaped shape.
• the fixing elements 76 can be formed when used to form the lower housing part 39 used tools meet on the bottom wall 71 and the lower tool comprises the ventilation channels 72 and the fixing elements 76 forming projections.
• Electrical components can be fixed to the bow-shaped fixing elements 76, as shown schematically in FIG. 3 using the example of a capacitor 77 shown only as a contoured contour.
• Tension elements such as in the form of cable ties 78, can grip around the capacitor 77 and be passed under the fixing elements 76 for fixing it to the lower housing part 39.

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Cited By (3)

Citations (2)

• 2012
  • 2012-02-20 WO PCT/EP2012/052881 patent/WO2013123966A1/fr not_active Ceased

Patent Citations (2)

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