EP2257382B1 - Transportable paint spraying device - Google Patents

Transportable paint spraying device Download PDF

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Publication number
EP2257382B1
EP2257382B1 EP09714165.9A EP09714165A EP2257382B1 EP 2257382 B1 EP2257382 B1 EP 2257382B1 EP 09714165 A EP09714165 A EP 09714165A EP 2257382 B1 EP2257382 B1 EP 2257382B1
Authority
EP
European Patent Office
Prior art keywords
paint spraying
spraying device
housing
drum
hose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09714165.9A
Other languages
German (de)
French (fr)
Other versions
EP2257382A1 (en
Inventor
Nuray Tekogul
Joerg Albrecht
Christoph Cramer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2257382A1 publication Critical patent/EP2257382A1/en
Application granted granted Critical
Publication of EP2257382B1 publication Critical patent/EP2257382B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/63—Handgrips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2491—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B65H75/42—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B05B9/042—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with peristaltic pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/33—Hollow or hose-like material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables

Definitions

  • the invention relates to a transportable paint spraying device according to the preamble of claim 1.
  • paint spraying equipment for spraying solvent-based and water-dilutable sprayed such as paints, glazes, primers, stains and wood preservatives.
  • paint spraying devices have in a housing an electric drive motor which drives a centrifugal compressor as a blower, via which a pressurized air flow can be generated, which is guided via an air hose to a paint container and to the spray gun of the paint spraying device.
  • the paint spraying device is transportable and has fastening straps on which the device can be worn.
  • the GB 347 161 A discloses a portable paint spraying device with an arranged in a housing electrical pressure generating unit for generating an air flow, which can be introduced into an attachable to the housing air hose to which an injection unit (spraying pistol) is connectable.
  • the invention has for its object to improve the handling of a portable paint spraying device. This object is achieved with the features of the independent claim.
  • the dependent claims indicate expedient developments.
  • the portable paint spraying device on the outside of the housing to a cable drum for a power cable for the power supply to electric pressure generating unit and a hose reel for the air hose, which is needed to produce the paint spray.
  • a cable drum for a power cable for the power supply to electric pressure generating unit and a hose reel for the air hose which is needed to produce the paint spray.
  • an air flow is directed to a paint container and further to an injection unit, in particular a spray gun, from which the color emerges in the form of a spray.
  • the cable drum and the hose drum are arranged parallel to one another and separated from each other by a radial partition wall.
  • This embodiment has the advantage that both the cable drum and the hose reel are part of the housing and can be arranged with simple measures on the housing or formed as part of the housing.
  • the parallel arrangement of drums with intermediate bulkhead allows parallel, independent coiling of the power cord and air hose, the partition providing a clear association of the particular cable or hose with the associated drum and preventing inadvertent miswinding on the adjacent drum.
  • the separating partition in the manner of a plane of symmetry divides the outside of the housing into a left and a right drum.
  • the diameter of the drums can be the same size, but in principle is also possible a different diameter, in particular a larger diameter of the hose drum to account for the lower flexibility of the air hose compared to the power cord.
  • the cable drum preferably also the hose drum is formed integrally with the housing of the paint spraying device.
  • this also gives a visually appealing design in which a compact, self-contained impression is achieved.
  • the hose reel and / or the cable reel as a separate component, which is arranged on the outside of the housing and is connected to the housing by means of appropriate fastening measures.
  • a rotatable embodiment of the cable drum which is preferably combined with an automatic winding device, it is necessary to store the cable drum rotating on the housing, and optionally provided with the automatic winding device.
  • the embodiment of the cable drum formed integrally with the housing without the possibility of relative movement offers the advantage of greater designeric freedom.
  • both the hose reel and the cable drum each have an outwardly located, to the partition axially spaced boundary wall which limits the respective winding area on each drum to the outside. Inwardly, the winding area on each drum is limited by the common partition wall. This advantageously extends beyond the cable drum and the hose drum including the respective boundary wall in the radial direction at least over a limited angle segment and is thereby optically highlighted.
  • the partition can be used for additional functions, for example by a handle is formed on the partition. Due to the radially higher version of the partition of the handle can be taken in an ergonomically favorable manner by the operator.
  • the drums are preferably arranged coaxially to each other and thus have the same longitudinal or drum axis, whereby a symmetrical impression is conveyed from an optical point of view. But it is also conceivable to arrange the drums eccentrically to each other, so that the respective drum axes are parallel and spaced apart.
  • a connecting piece is expediently provided, which advantageously branches off from the winding region of the hose reel.
  • This connecting piece is advantageously L-shaped and has a tangentially extending to the winding portion legs, which serves to connect the air hose, and a radially leading into the housing leg for connection to the pressure generating unit.
  • the position of the connecting piece in the circumferential direction is basically arbitrary, in question comes, for example, a top or bottom position, in each case based on the regular position of the paint spraying device.
  • a latch associated with the cable drum is adjustably held on the housing, which can be adjusted between a locking position and an open position, wherein in the locking position, the latch at least partially spans the winding area of the cable drum.
  • the bolt is used to secure the air hose after winding on the cable drum and prevents inadvertent release of the hose, so that, for example, the transport of the device is simplified.
  • the latch can be easily adjusted in a manual manner between the locking and the opening position.
  • the latch is pivotally held on the housing, for example via a hinge or other joint, and can be pivoted on the joint between the locking and opening position.
  • the bolt may have a receiving device which serves to receive the injection unit in the non-operational phases.
  • the receiving device is designed according to a simple design as a recess in the bolt, which serves for suspending the injection unit.
  • the latch is U-shaped, wherein the free end face of the bolt, that engages in the pivotable embodiment, the side facing away from the hinge, in the locking position in an associated recess in the housing.
  • a corresponding fixing device may be provided on the housing, which fixes the latch.
  • a snap device which consists of an undercut, in which the bolt snaps in the locked position, wherein the bolt is to be released by applying force from the locking position.
  • the housing has a narrow design, in particular with the dimensions 1: 1: max. 0.5 relative to the ratio of height: width: depth.
  • the device can also be advantageously used as a stand-alone device, wherein rollers can be provided on the device for ergonomic handling.
  • rollers are preferably located in a common plane, so that, for example, in the case of three roles, the exposed roller side of all roles can rest on the floor.
  • the illustrated paint spraying device is a power tool for spraying solvent-containing and water-dilutable sprayed material, for example for paints, glazes, primers, stains or wood preservatives.
  • a low-pressure spraying method HVLP
  • the method is particularly suitable for spraying paints on predominantly small areas. There is only a slight overspray during the spraying process, so that it is possible to use it in closed rooms due to the low spray mist loss. Coating degrees of up to 65% are achieved with the described HVLP process. Characteristic of the process is the air surrounding the spray material, which reduces an overspray and a color fog, resulting in advantages in terms of paint savings and lower solvent emissions.
  • the paint spraying device is a portable device that can be used in a portable manner with the aid of carrying straps.
  • the device can also be stably parked on the ground.
  • the paint spraying device 1 comprises a device housing 2 for receiving an electrical pressure generating unit, in particular an electric drive motor which drives a fan for generating an air flow, which is in an air hose 3 can be introduced.
  • the air hose 3 is formed flexible and connected at one end via a coupling part 4 to the housing 2 to be supplied with the air flow, and the other end via another coupling part 5 with a spray gun 6, which is associated with a paint container 7.
  • the coupling parts 4 and 5 at the ends of the air hose are expediently designed as quick-release coupling parts, so that in a simple and fast manner a respective release from the connection to the housing or to the spray gun and a corresponding connection can be performed.
  • Formed on the housing are two feet 8, which allow a safe parking of the portable paint spraying device 1 on the ground.
  • a fastening part 9 is arranged on the housing 2, to which a carrying belt 10 can be attached.
  • Hose reel 11 On the outside of the case is a. Hose reel 11, which is formed fixedly or integrally with the housing, and serves to receive the air hose 3 in the inoperative position.
  • the winding region of the hose reel is delimited on one axial side by a radially projecting partition wall 12, which is provided with a handle 13 at its point diametrically opposite the feet 8.
  • the hose drum 11 On the side axially spaced from the dividing wall 12, the hose drum 11 is delimited by a boundary wall 14, which likewise projects radially beyond the winding area of the drum but has a smaller diameter than the dividing wall 12.
  • the winding region of the hose drum, the boundary wall 14 and the partition wall 12 are each formed integrally with the housing.
  • a latch 15 is arranged on the outside of the housing 2, which spans the winding area of the hose reel 11 in the axial direction.
  • the latch 15 is movable, in particular pivotally held on the housing and between the in Fig. 1 illustrated locking position in which the winding area is covered, and to adjust an opening position in which the winding area is released, so that the air hose 3 can be wound up or unwound.
  • a wound air hose is securely held on the hose reel 11, so that the air hose can not accidentally come off the hose reel.
  • a receiving device for receiving the spray gun 6 is provided on the bolt 15, so that these, as in Fig. 1 shown in the inoperative position of the paint spraying device can be mounted.
  • FIGS. 2 and 3 is the bolt 15 on the one hand in the locking position ( Fig. 2 ) and in the open position ( Fig. 3 ).
  • the bolt 15 is U-shaped, with the free end face of the bolt 15, as FIG. 3 to take a tab 16 forms, which engages in the locking position in a recess or recess 17 on the housing 2.
  • the latch 15 is pivoted about a hinge 18, the tab 16 is removed from the recess 17 on the side wall of the housing 2, so that the air hose 3, which is wound on the hose reel 11, can be removed from this ,
  • the air hose 3 is secured on the hose reel 11.
  • a recess 19 is placed in the top of the bolt 15 adjacent to the hinge 18. The spray gun can be hung in this recess 19 if necessary or removed from this recess again.
  • Fig. 4 the paint spraying device 1 is shown from the opposite side.
  • the hinge 18, which pivotally connects the latch with the housing 2, wherein the pivot axis perpendicular to the device standing on the ground and thus runs tangentially to the hose reel.
  • rollers 21 to 23 which are integrated into the housing 2, wherein two rollers 21, 22 are inserted in each case a foot 8, and the third roller 23 adjacent to the top or the handle 13 in the side wall of the housing 2 expediently all three rollers 21 to 23 in a common plane, such that the rollers rest together on the ground when the paint spraying device 1 rests with its side wall on the ground.
  • the two rollers 21 and 22 inserted in the feet 8 permit a rolling movement of the paint spraying apparatus 1 in the upright position of the apparatus, as in FIG Fig. 4 shown.
  • the hose reel 11 and the cable drum 12 are parallel and coaxial with each other and are separated from each other by the partition wall 13, which is the winding portion 11 a or 20a of each drum 11 or 20 directly limited.
  • the partition wall 13 On the side facing away from the partition 12 axially facing the hose drum 11 has a boundary wall 14, a corresponding boundary wall 15 is provided on the cable drum 20 at a distance from the partition wall 12.
  • the axial width of the winding portions 11a, 20a differs, the winding portion 11a of the hose reel 11 is about two to three times as wide as the winding portion 20a of the cable drum 20, which receives the power cable 24 for the electric drive unit.
  • the diameter of the winding region 11a of the hose drum 11 is also greater than the diameter of the winding region 20a of the cable drum 20.
  • the boundary walls 14 and 15 of hose reel 11 and cable drum 20 project beyond the respective winding region, wherein the diameter of the boundary wall 15 of the cable drum 20 slightly larger is the diameter of the winding portion 11 a of the hose drum 11.
  • an L-shaped connecting piece 26 is formed at the winding region of the hose drum 11, which serves to connect the hose via the coupling part 4.
  • the connecting piece 26 has two legs which are connected to one another at a 90 ° angle and are connected to one another in one piece, a first leg leading radially into the interior of the housing and being separated from the air flow of the electrical pressure generating unit 27 (FIG. Fig. 6 ) is acted upon and the second leg is tangential to the hose drum 11 and serves to connect the air hose. Marked in the FIGS.
  • connection piece 26 in the lower, the feet 8 adjacent area and the diametrically opposite, the handle 13 adjacent area are provided as an alternative and are merely intended to demonstrate that the connection piece can be seen over the circumference of the hose drum arranged at different positions.
  • Fig. 7 shows a sectional view of a bearing for receiving a roller 23 in the housing of the paint spraying device.
  • a housing wall 28 of the housing is a part-spherical recess 29 for receiving the roller 23 is introduced, wherein instead of a part-spherical recess and other diametrics come into consideration for the recess.
  • the inserted roller 23 is held by a holding plate 30 in the recess 29, wherein the holding plate 30 is provided with a recess through which a part of the roller 23 passes and the recess in the holding plate is surrounded by delimiting lips 31.
  • the lips 31 allow a low-friction rolling of the rolling element or the roller 23.
  • the holding plate 30 is connected to the housing wall 28.

Landscapes

  • Nozzles (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Description

Die Erfindung bezieht sich auf ein transportables Farbspritzgerät nach dem Oberbegriff des Anspruches 1.The invention relates to a transportable paint spraying device according to the preamble of claim 1.

Stand der TechnikState of the art

Bekannt sind transportable Farbspritzgeräte zum Zerstäuben von lösemittelhaltigem und wasserverdünnbarem Spritzgut wie Lacke, Lasuren, Grundierungen, Beizen und Holzschutzmittel. Derartige Farbspritzgeräte weisen in einem Gehäuse einen elektrischen Antriebsmotor auf, der einen Radialverdichter als Gebläse antreibt, über den ein unter Überdruck stehender Luftstrom erzeugbar ist, welcher über einen Luftschlauch zu einem Farbbehälter und zu der Spritzpistole des Farbspritzergerätes geführt wird. Das Farbspritzgerät ist transportabel ausgebildet und weist Befestigungsgurte auf, an denen das Gerät getragen werden kann.Are known transportable paint spraying equipment for spraying solvent-based and water-dilutable sprayed such as paints, glazes, primers, stains and wood preservatives. Such paint spraying devices have in a housing an electric drive motor which drives a centrifugal compressor as a blower, via which a pressurized air flow can be generated, which is guided via an air hose to a paint container and to the spray gun of the paint spraying device. The paint spraying device is transportable and has fastening straps on which the device can be worn.

Die GB 347 161 A offenbart ein transportables Farbspritzgerät, mit einer in einem Gehäuse angeordnete elektrischen Druckerzeugungseinheit zur Erzeugung eines Luftstromes, der in einen an das Gehäuse ankoppelbaren Luftschlauch einleitbar ist, an den eine Spritzeinheit (spraying pistol) anschließbar ist.The GB 347 161 A discloses a portable paint spraying device with an arranged in a housing electrical pressure generating unit for generating an air flow, which can be introduced into an attachable to the housing air hose to which an injection unit (spraying pistol) is connectable.

Offenbarung der ErfindungDisclosure of the invention

Der Erfindung liegt die Aufgabe zugrunde, die Handhabbarkeit eines transportablen Farbspritzgerätes zu verbessern. Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des unabhängigen Anspruchs gelöst. Die abhängigen Ansprüche geben zweckmäßige Weiterbildungen an.The invention has for its object to improve the handling of a portable paint spraying device. This object is achieved with the features of the independent claim. The dependent claims indicate expedient developments.

Gemäß eines ersten Aspektes der Erfindung weist das transportable Farbspritzgerät an der Außenseite des Gehäuses eine Kabeltrommel für ein Stromkabel für die Stromzufuhr zur elektrischen Druckerzeugungseinheit sowie eine Schlauchtrommel für den Luftschlauch auf, der zur Erzeugung des Farbsprühnebels benötigt wird. Durch den Luftschlauch wird ein Luftstrom zu einem Farbbehälter und weiter zu einer Spritzeinheit, insbesondere einer Spritzpistole geleitet, aus der die Farbe in Form eines Sprühnebels austritt. Erfindungsgemäß ist vorgesehen, dass die Kabeltrommel und die Schlauchtrommel parallel zueinander angeordnet und über eine radiale Trennwand voneinander separiert sind.According to a first aspect of the invention, the portable paint spraying device on the outside of the housing to a cable drum for a power cable for the power supply to electric pressure generating unit and a hose reel for the air hose, which is needed to produce the paint spray. Through the air hose, an air flow is directed to a paint container and further to an injection unit, in particular a spray gun, from which the color emerges in the form of a spray. According to the invention, it is provided that the cable drum and the hose drum are arranged parallel to one another and separated from each other by a radial partition wall.

Diese Ausführung weist den Vorteil auf, dass sowohl die Kabeltrommel als auch die Schlauchtrommel Bestandteil des Gehäuses sind und mit einfachen Maßnahmen am Gehäuse angeordnet bzw. als Teil des Gehäuses ausgebildet werden können. Die parallele Anordnung der Trommeln mit zwischenliegender Trennwand erlaubt ein paralleles, unabhängiges Aufwickeln von Netzkabel und Luftschlauch, wobei die Trennwand für eine eindeutige Zuordnung des jeweiligen Kabels bzw. Schlauches zur zugeordneten Trommel sorgt und ein versehentliches falsches Aufwickeln auf der benachbarten Trommel verhindern hilft. Außerdem erhält man auf diese Weise ein ansprechendes Design des Gerätes, da die separierende Trennwand nach Art einer Symmetrieebene die Außenseite des Gehäuses in eine linke und eine rechte Trommel unterteilt. Der Durchmesser der Trommeln kann gleich groß sein, grundsätzlich möglich ist aber auch ein unterschiedlicher Durchmesser, insbesondere ein größerer Durchmesser der Schlauchtrommel, um der geringeren Biegbarkeit des Luftschlauches im Vergleich zum Netzkabel Rechnung zu tragen. Außerdem ist es zweckmäßig, in Achsrichtung gesehen die Schlauchtrommel mit größerer Breite auszubilden als die Kabeltrommel, um ebenfalls dem größeren Schlauchdurchmesser des Luftschlauchs Rechnung zu tragen.This embodiment has the advantage that both the cable drum and the hose reel are part of the housing and can be arranged with simple measures on the housing or formed as part of the housing. The parallel arrangement of drums with intermediate bulkhead allows parallel, independent coiling of the power cord and air hose, the partition providing a clear association of the particular cable or hose with the associated drum and preventing inadvertent miswinding on the adjacent drum. In addition, one obtains in this way an attractive design of the device, since the separating partition in the manner of a plane of symmetry divides the outside of the housing into a left and a right drum. The diameter of the drums can be the same size, but in principle is also possible a different diameter, in particular a larger diameter of the hose drum to account for the lower flexibility of the air hose compared to the power cord. In addition, it is expedient to form the hose drum seen in the axial direction with a greater width than the cable drum to also take into account the larger hose diameter of the air hose.

Vorteilhafterweise ist die Kabeltrommel, vorzugsweise auch die Schlauchtrommel einteilig mit dem Gehäuse des Farbspritzgerätes ausgebildet. Neben einer vereinfachten Ausführung erhält man dadurch auch ein optisch ansprechendes Design, bei dem ein kompakter, in sich geschlossener Eindruck erzielt wird. Gleichwohl ist es grundsätzlich möglich, die Schlauchtrommel und/oder die Kabeltrommel als separates Bauteil auszuführen, das auf der Außenseite des Gehäuses angeordnet wird und mittels entsprechender Befestigungsmaßnahmen mit dem Gehäuse verbunden wird. Insbesondere im Falle einer drehbaren Ausführung der Kabeltrommel, was bevorzugt mit einer automatischen Aufwickeleinrichtung kombiniert wird, ist es erforderlich, die Kabeltrommel rotierend am Gehäuse zu lagern, und gegebenenfalls mit der automatischen Aufwickeleinrichtung zu versehen. Andererseits bietet die einteilig mit dem Gehäuse ausgebildete Ausführung der Kabeltrommel ohne Relativbewegungsmöglichkeit den Vorteil größerer designerischer Freiheit.Advantageously, the cable drum, preferably also the hose drum is formed integrally with the housing of the paint spraying device. In addition to a simplified version, this also gives a visually appealing design in which a compact, self-contained impression is achieved. Nevertheless, it is basically possible to design the hose reel and / or the cable reel as a separate component, which is arranged on the outside of the housing and is connected to the housing by means of appropriate fastening measures. In particular, in the case of a rotatable embodiment of the cable drum, which is preferably combined with an automatic winding device, it is necessary to store the cable drum rotating on the housing, and optionally provided with the automatic winding device. On the other hand, the embodiment of the cable drum formed integrally with the housing without the possibility of relative movement offers the advantage of greater designeric freedom.

Vorteilhafterweise besitzen sowohl die Schlauchtrommel als auch die Kabeltrommel jeweils eine außen gelegene, zur Trennwand axial beabstandete Begrenzungswand, die den jeweiligen Wickelbereich auf jeder Trommel nach außen hin begrenzt. Nach innen wird der Wickelbereich auf jeder Trommel von der gemeinsamen Trennwand begrenzt. Diese überragt vorteilhafterweise in Radialrichtung zumindest über ein begrenztes Winkelsegment sowohl die Kabeltrommel als auch die Schlauchtrommel einschließlich der jeweiligen Begrenzungswand und ist dadurch optisch hervorgehoben. Zudem kann die Trennwand für zusätzliche Funktionen genutzt werden, beispielsweise indem ein Handgriff an der Trennwand ausgebildet ist. Aufgrund der radial höheren Ausführung der Trennwand kann der Handgriff in ergonomisch günstiger Weise von der Bedienperson ergriffen werden.Advantageously, both the hose reel and the cable drum each have an outwardly located, to the partition axially spaced boundary wall which limits the respective winding area on each drum to the outside. Inwardly, the winding area on each drum is limited by the common partition wall. This advantageously extends beyond the cable drum and the hose drum including the respective boundary wall in the radial direction at least over a limited angle segment and is thereby optically highlighted. In addition, the partition can be used for additional functions, for example by a handle is formed on the partition. Due to the radially higher version of the partition of the handle can be taken in an ergonomically favorable manner by the operator.

Die Trommeln sind bevorzugt koaxial zueinander angeordnet und weisen somit die gleiche Längs- bzw. Trommelachse auf, wodurch unter optischen Gesichtspunkten ein symmetrischer Eindruck vermittelt wird. Es ist aber auch denkbar, die Trommeln exzentrisch zueinander anzuordnen, so dass die jeweiligen Trommelachsen parallel und mit Abstand zueinander liegen.The drums are preferably arranged coaxially to each other and thus have the same longitudinal or drum axis, whereby a symmetrical impression is conveyed from an optical point of view. But it is also conceivable to arrange the drums eccentrically to each other, so that the respective drum axes are parallel and spaced apart.

Für den Anschluss des Luftschlauches an die Druckerzeugungseinheit ist zweckmäßigerweise ein Anschlussstutzen vorgesehen, der zweckmäßig vom Wickelbereich der Schlauchtrommel abzweigt. Dieser Anschlussstutzen ist vorteilhafterweise L-förmig ausgebildet und besitzt einen tangential zum Wickelbereich verlaufenden Schenkel, der zum Anschluss des Luftschlauches dient, sowie einen radial in das Gehäuse hineinführenden Schenkel zur Verbindung mit der Druckerzeugungseinheit. Die Position des Anschlussstutzens in Umfangsrichtung gesehen ist grundsätzlich beliebig, in Frage kommt beispielsweise eine oben liegende oder eine unten liegende Position, jeweils bezogen auf die reguläre Standposition des Farbspritzgerätes.For the connection of the air hose to the pressure generating unit, a connecting piece is expediently provided, which advantageously branches off from the winding region of the hose reel. This connecting piece is advantageously L-shaped and has a tangentially extending to the winding portion legs, which serves to connect the air hose, and a radially leading into the housing leg for connection to the pressure generating unit. The position of the connecting piece in the circumferential direction is basically arbitrary, in question comes, for example, a top or bottom position, in each case based on the regular position of the paint spraying device.

Gemäß eines weiteren Aspektes der Erfindung ist am Gehäuse ein der Kabeltrommel zugeordneter Riegel verstellbar gehalten, der zwischen einer Verriegelungsposition und einer Öffnungsposition verstellt werden kann, wobei in der Verriegelungsposition der Riegel den Wickelbereich der Kabeltrommel zumindest teilweise überspannt. Der Riegel dient zur Sicherung des Luftschlauches nach dem Aufwickeln auf die Kabeltrommel und verhindert ein unbeabsichtigtes Lösen des Schlauches, so dass beispielsweise der Transport des Gerätes vereinfacht wird. Der Riegel kann leicht in manueller Weise zwischen der Verriegelungs- und der Öffnungsposition verstellt werden. Gemäß einer vorteilhaften Ausführung ist vorgesehen, dass der Riegel verschwenkbar am Gehäuse gehalten ist, beispielsweise über ein Scharnier oder sonstiges Gelenk, und an dem Gelenk zwischen Verriegelungs- und Öffnungsposition verschwenkt werden kann.According to a further aspect of the invention, a latch associated with the cable drum is adjustably held on the housing, which can be adjusted between a locking position and an open position, wherein in the locking position, the latch at least partially spans the winding area of the cable drum. The bolt is used to secure the air hose after winding on the cable drum and prevents inadvertent release of the hose, so that, for example, the transport of the device is simplified. The latch can be easily adjusted in a manual manner between the locking and the opening position. According to an advantageous embodiment, it is provided that the latch is pivotally held on the housing, for example via a hinge or other joint, and can be pivoted on the joint between the locking and opening position.

Als Zusatzfunktion kann der Riegel eine Aufnahmeeinrichtung aufweisen, die zur Aufnahme der Spritzeinheit in den Außerbetriebsphasen dient. Die Aufnahmeeinrichtung ist gemäß einer einfachen Ausführung als Vertiefung im Riegel ausgeführt, die zum Einhängen der Spritzeinheit dient.As an additional function, the bolt may have a receiving device which serves to receive the injection unit in the non-operational phases. The receiving device is designed according to a simple design as a recess in the bolt, which serves for suspending the injection unit.

Gemäß einer weiteren vorteilhaften Ausführung ist vorgesehen, dass der Riegel U-förmig ausgebildet ist, wobei die freie Stirnseite des Riegels, also in der schwenkbaren Ausführung die dem Scharnier abgewandte Seite, in der Verriegelungsstellung in eine zugeordnete Ausnehmung im Gehäuse eingreift. Um den Riegel in seiner Verriegelungsstellung zu fixieren, kann am Gehäuse eine entsprechende Fixiereinrichtung vorhanden sein, die den Riegel fixiert. Möglich ist beispielsweise eine Schnappeinrichtung, die aus einer Hinterschneidung besteht, in die der Riegel in der Verriegelungsposition einschnappt, wobei der Riegel durch Kraftbeaufschlagung aus der Verriegelungsposition zu lösen ist.According to a further advantageous embodiment, it is provided that the latch is U-shaped, wherein the free end face of the bolt, that engages in the pivotable embodiment, the side facing away from the hinge, in the locking position in an associated recess in the housing. In order to fix the latch in its locking position, a corresponding fixing device may be provided on the housing, which fixes the latch. Possible, for example, a snap device, which consists of an undercut, in which the bolt snaps in the locked position, wherein the bolt is to be released by applying force from the locking position.

Gemäß einer weiteren zweckmäßigen Ausführung weist das Gehäuse eine schmale Bauform auf, insbesondere mit den Abmessungen 1 : 1 : max. 0.5 bezogen auf das Verhältnis von Höhe : Breite : Tiefe.According to a further expedient embodiment, the housing has a narrow design, in particular with the dimensions 1: 1: max. 0.5 relative to the ratio of height: width: depth.

Das Gerät kann vorteilhafterweise auch als Standgerät genutzt werden, wobei für eine ergonomische Handhabung Rollen am Gerät vorgesehen sein können. Diese Rollen befinden sich vorzugsweise in einer gemeinsamen Ebene, so dass beispielsweise im Falle von drei Rollen die frei liegende Rollenseite aller Rollen auf dem Boden aufliegen kann. Zweckmäßigerweise befinden sich zwei Rollen an der Unterseite des Gehäuses und eine weitere Rolle an einer Seitenwand mit Abstand zur Unterseite, was sowohl eine Bewegung auf den beiden Rollen an der Unterseite in aufrecht stehender Position des Gehäuses erlaubt als auch eine Bewegung auf den Rollen für den Fall, dass das Gerät mit der betreffenden Gehäuseseite auf dem Boden liegt.The device can also be advantageously used as a stand-alone device, wherein rollers can be provided on the device for ergonomic handling. These rollers are preferably located in a common plane, so that, for example, in the case of three roles, the exposed roller side of all roles can rest on the floor. Conveniently, there are two rollers on the underside of the housing and another roller on a side wall at a distance from the bottom, allowing both a movement on the two rollers at the bottom in the upright position of the housing and a movement on the rollers in the event in that the device lies on the floor with the relevant side of the housing.

Weitere Vorteile und zweckmäßige Ausführungen sind den weiteren Ansprüchen, der Figurenbeschreibung und den Zeichnungen zu entnehmen. Es zeigen:

Fig. 1
eine perspektivische Darstellung eines transportablen Farbspritzgerätes, mit einem Luftschlauch, an dem ein Farbbehälter und eine Spritzpistole angeordnet sind, dargestellt im Außerbetriebszustand mit an einem Riegel eingehängter Spritzpistole,
Fig. 2
das Farbspritzgerät in einer Außerbetriebsstellung mit dem Luftschlauch im aufgewickelten Zustand auf einer Schlauchtrommel, die am Außenumfang des Gehäuses gebildet ist, mit dem Riegel zum Sichern des Luftschlauches auf der Trommel im verriegelten Zustand,
Fig. 3
das Farbspritzgerät mit geöffnetem Riegel zum Abwickeln des Luftschlauches von der Schlauchtrommel,
Fig. 4
eine Seitenansicht des Farbspritzgerätes mit eingezeichneten Rollen, auf denen das Farbspritzgerät auf dem Boden bewegt werden kann,
Fig. 5
eine erste Seitenansicht eines Farbspritzgerätes mit Anschlussstutzen im Bereich der Schlauchtrommel zum Anschluss des Luftschlauches,
Fig. 6
eine zweite Seitenansicht des Farbspritzgerätes,
Fig. 7
eine Schnittdarstellung durch den Bereich einer Kabeltrommel zur Aufnahme eines Netzkabels.
Further advantages and expedient embodiments can be taken from the further claims, the description of the figures and the drawings. Show it:
Fig. 1
a perspective view of a portable paint spraying device, with an air hose to which a Paint container and a spray gun are arranged, shown in the inoperative state with a hinged on a bolt spray gun,
Fig. 2
the paint spraying device in an inoperative position with the air hose in the wound state on a hose reel, which is formed on the outer circumference of the housing, with the latch for securing the air hose on the drum in the locked state,
Fig. 3
the paint spraying device with an open latch for unwinding the air hose from the hose reel,
Fig. 4
a side view of the paint spraying unit with marked rollers on which the paint sprayer can be moved on the ground,
Fig. 5
a first side view of a paint spraying device with connecting pieces in the region of the hose reel for connecting the air hose,
Fig. 6
a second side view of the paint sprayer,
Fig. 7
a sectional view through the area of a cable drum for receiving a power cord.

In den Figuren sind gleiche Bauteile mit gleichen Bezugszeichen versehen.In the figures, the same components are provided with the same reference numerals.

Bei dem dargestellten Farbspritzgerät handelt es sich um ein Elektrowerkzeug zum Zerstäuben von lösemittelhaltigem und wasserverdünnbarem Spritzgut, beispielsweise für Lacke, Lasuren, Grundierungen, Beizen oder Holzschutzmittel. Bei dem Farbspritzgerät wird ein Niederdruck-Spritzverfahren (HVLP) angewendet, bei dem die Farbe mit einem niedrigen Druck von etwa 0.2 bar bis 0.5 bar und einem zugleich hohen Luftvolumen > 200 Liter pro Minute verspritzt wird, vorzugsweise mit einer Durchlaufzeit unter 30 Sekunden. Das Verfahren eignet sich insbesondere zum Spritzen von Lacken auf überwiegend kleinen Flächen. Es entsteht während des Spritzvorganges nur ein geringer Overspray, so dass aufgrund des geringen Sprühnebelverlustes auch ein Einsatz in geschlossenen Räumen möglich ist. Mit dem beschriebenen HVLP-Verfahren werden Beschichtungsgrade bis 65 % erreicht. Kennzeichnend für das Verfahren ist der das Spritzgut umgebende Luftkegel, der eine Überspritzung und eine Farbnebelbildung reduziert, woraus sich Vorteile hinsichtlich der Lackeinsparung und einer geringeren Lösungsmittelemission ergeben.The illustrated paint spraying device is a power tool for spraying solvent-containing and water-dilutable sprayed material, for example for paints, glazes, primers, stains or wood preservatives. In the paint spraying device, a low-pressure spraying method (HVLP) is applied, in which the color with a low pressure of about 0.2 bar to 0.5 bar and a high air volume at the same time> 200 Liters per minute is sprayed, preferably with a flow time less than 30 seconds. The method is particularly suitable for spraying paints on predominantly small areas. There is only a slight overspray during the spraying process, so that it is possible to use it in closed rooms due to the low spray mist loss. Coating degrees of up to 65% are achieved with the described HVLP process. Characteristic of the process is the air surrounding the spray material, which reduces an overspray and a color fog, resulting in advantages in terms of paint savings and lower solvent emissions.

Bei dem Farbspritzgerät handelt es sich um ein tragbares Gerät, welches mithilfe von Tragegurten ortsbeweglich einsetzbar ist. Das Gerät kann aber auch auf dem Boden stabil abgestellt werden.The paint spraying device is a portable device that can be used in a portable manner with the aid of carrying straps. The device can also be stably parked on the ground.

Wie insbesondere Fig. 1 zu entnehmen, umfasst das Farbspritzgerät 1 ein Gerätegehäuse 2 zur Aufnahme einer elektrischen Druckerzeugungseinheit, insbesondere eines elektrischen Antriebsmotors, der ein Gebläse zur Erzeugung eines Luftstromes antreibt, welcher in einen Luftschlauch 3 einleitbar ist. Der Luftschlauch 3 ist biegsam ausgebildet und einenends über ein Kupplungsteil 4 an das Gehäuse 2 angeschlossen, um mit dem Luftstrom versorgt zu werden, und anderenends über ein weiteres Kupplungsteil 5 mit einer Spritzpistole 6 verbunden, der ein Farbbehälter 7 zugeordnet ist. Die Kupplungsteile 4 und 5 an den Enden des Luftschlauches sind zweckmäßigerweise als Schnellspann-Kupplungsteile ausgebildet, so dass in einfacher und schneller Weise ein jeweiliges Lösen vom Anschluss am Gehäuse bzw. an der Spritzpistole sowie eine entsprechende Verbindung durchgeführt werden kann. Am Gehäuse angeformt sind zwei Füße 8, die ein sicheres Abstellen des tragbaren Farbspritzgerätes 1 auf dem Boden erlauben. Des Weiteren ist am Gehäuse 2 ein Befestigungsteil 9 angeordnet, an dem ein Traggurt 10 befestigt werden kann.In particular Fig. 1 can be seen, the paint spraying device 1 comprises a device housing 2 for receiving an electrical pressure generating unit, in particular an electric drive motor which drives a fan for generating an air flow, which is in an air hose 3 can be introduced. The air hose 3 is formed flexible and connected at one end via a coupling part 4 to the housing 2 to be supplied with the air flow, and the other end via another coupling part 5 with a spray gun 6, which is associated with a paint container 7. The coupling parts 4 and 5 at the ends of the air hose are expediently designed as quick-release coupling parts, so that in a simple and fast manner a respective release from the connection to the housing or to the spray gun and a corresponding connection can be performed. Formed on the housing are two feet 8, which allow a safe parking of the portable paint spraying device 1 on the ground. Furthermore, a fastening part 9 is arranged on the housing 2, to which a carrying belt 10 can be attached.

Auf der Außenseite des Gehäuses befindet sich eine. Schlauchtrommel 11, die fest bzw. einteilig mit dem Gehäuse ausgebildet ist, und zur Aufnahme des Luftschlauches 3 in der Außerbetriebsstellung dient. Der Wickelbereich der Schlauchtrommel ist an einer axialen Seite von einer radial überragenden Trennwand 12 begrenzt, die an ihrer den Füßen 8 diametral gegenüberliegenden Stelle mit einem Handgriff 13 versehen ist. An der axial zur Trennwand 12 beabstandeten Seite ist die Schlauchtrommel 11 von einer Begrenzungswand 14 begrenzt, welche ebenfalls den Wickelbereich der Trommel radial überragt, jedoch einen geringeren Durchmesser als die Trennwand 12 aufweist. Der Wickelbereich der Schlauchtrommel, die Begrenzungswand 14 sowie die Trennwand 12 sind jeweils einteilig mit dem Gehäuse ausgebildet.On the outside of the case is a. Hose reel 11, which is formed fixedly or integrally with the housing, and serves to receive the air hose 3 in the inoperative position. The winding region of the hose reel is delimited on one axial side by a radially projecting partition wall 12, which is provided with a handle 13 at its point diametrically opposite the feet 8. On the side axially spaced from the dividing wall 12, the hose drum 11 is delimited by a boundary wall 14, which likewise projects radially beyond the winding area of the drum but has a smaller diameter than the dividing wall 12. The winding region of the hose drum, the boundary wall 14 and the partition wall 12 are each formed integrally with the housing.

Des Weiteren ist ein Riegel 15 an der Außenseite des Gehäuses 2 angeordnet, der den Wickelbereich der Schlauchtrommel 11 in Achsrichtung überspannt. Der Riegel 15 ist beweglich, insbesondere schwenkbar am Gehäuse gehalten und zwischen der in Fig. 1 dargestellten Verriegelungsposition, in welcher der Wickelbereich überspannt wird, und einer Öffnungsposition zu verstellen, in der der Wickelbereich freigegeben ist, so dass der Luftschlauch 3 auf- bzw. abgewickelt werden kann. In der Verriegelungsposition ist dagegen ein aufgewickelter Luftschlauch auf der Schlauchtrommel 11 sicher gehalten, so dass der Luftschlauch sich nicht versehentlich von der Schlauchtrommel lösen kann.Furthermore, a latch 15 is arranged on the outside of the housing 2, which spans the winding area of the hose reel 11 in the axial direction. The latch 15 is movable, in particular pivotally held on the housing and between the in Fig. 1 illustrated locking position in which the winding area is covered, and to adjust an opening position in which the winding area is released, so that the air hose 3 can be wound up or unwound. In the locked position, however, a wound air hose is securely held on the hose reel 11, so that the air hose can not accidentally come off the hose reel.

Außerdem ist am Riegel 15 eine Aufnahmeeinrichtung zur Aufnahme der Spritzpistole 6 vorgesehen, so dass diese, wie in Fig. 1 dargestellt, in der Außerbetriebsposition des Farbspritzgerätes eingehängt werden kann.In addition, a receiving device for receiving the spray gun 6 is provided on the bolt 15, so that these, as in Fig. 1 shown in the inoperative position of the paint spraying device can be mounted.

In den Fig. 2 und 3 ist der Riegel 15 zum einen in der Verriegelungsposition (Fig. 2) und zum anderen in der geöffneten Position (Fig. 3) dargestellt. Der Riegel 15 ist U-förmig ausgebildet, wobei die freie Stirnseite des Riegels 15, wie Fig. 3 zu entnehmen, eine Lasche 16 bildet, die in der Verriegelungsposition in eine Vertiefung oder Ausnehmung 17 am Gehäuse 2 eingreift. In der geöffneten Position ist der Riegel 15 um ein Scharnier 18 aufgeschwenkt, die Lasche 16 ist aus der Ausnehmung 17 an der Seitenwand des Gehäuses 2 herausgenommen, so dass auch der Luftschlauch 3, welcher auf die Schlauchtrommel 11 aufgewickelt ist, von dieser entnommen werden kann. In der Verriegelungsposition des Riegels 15 gemäß Fig. 2 ist dagegen der Luftschlauch 3 auf der Schlauchtrommel 11 gesichert.In the FIGS. 2 and 3 is the bolt 15 on the one hand in the locking position ( Fig. 2 ) and in the open position ( Fig. 3 ). The bolt 15 is U-shaped, with the free end face of the bolt 15, as FIG. 3 to take a tab 16 forms, which engages in the locking position in a recess or recess 17 on the housing 2. In the open position, the latch 15 is pivoted about a hinge 18, the tab 16 is removed from the recess 17 on the side wall of the housing 2, so that the air hose 3, which is wound on the hose reel 11, can be removed from this , In the locking position of the bolt 15 according to Fig. 2 on the other hand, the air hose 3 is secured on the hose reel 11.

Zum Einhängen der Spritzpistole in der Außerbetriebsstellung ist in die Oberseite des Riegels 15 benachbart zu dem Scharnier 18 eine Vertiefung 19 eingebracht. Die Spritzpistole kann in diese Vertiefung 19 bei Bedarf eingehängt bzw. aus dieser Vertiefung wieder entnommen werden.To mount the spray gun in the inoperative position, a recess 19 is placed in the top of the bolt 15 adjacent to the hinge 18. The spray gun can be hung in this recess 19 if necessary or removed from this recess again.

In Fig. 4 ist das Farbspritzgerät 1 von der Gegenseite dargestellt. Zu erkennen ist das Scharnier 18, welches den Riegel schwenkbar mit dem Gehäuse 2 verbindet, wobei die Schwenkachse bei auf dem Boden stehenden Gerät lotrecht und damit tangential zur Schlauchtrommel verläuft.In Fig. 4 the paint spraying device 1 is shown from the opposite side. Evident is the hinge 18, which pivotally connects the latch with the housing 2, wherein the pivot axis perpendicular to the device standing on the ground and thus runs tangentially to the hose reel.

Zu erkennen sind in Fig. 4 außerdem Rollen 21 bis 23, die in das Gehäuse 2 integriert sind, wobei zwei Rollen 21, 22 in jeweils einem Fuß 8 eingefügt sind, und die dritte Rolle 23 benachbart zur Oberseite bzw. dem Handgriff 13 in die Seitenwand des Gehäuses 2. Zweckmäßigerweise liegen alle drei Rollen 21 bis 23 in einer gemeinsamen Ebene, derart, dass die Rollen gemeinsam auf dem Boden aufliegen, wenn das Farbspritzgerät 1 mit seiner Seitenwand auf dem Boden aufliegt. Zusätzlich erlauben die beiden in die Füße 8 eingefügten Rollen 21 und 22 eine Rollbewegung des Farbspritzgerätes 1 in der aufrecht stehenden Position des Gerätes, so wie in Fig. 4 dargestellt.To recognize are in Fig. 4 also rollers 21 to 23, which are integrated into the housing 2, wherein two rollers 21, 22 are inserted in each case a foot 8, and the third roller 23 adjacent to the top or the handle 13 in the side wall of the housing 2 expediently all three rollers 21 to 23 in a common plane, such that the rollers rest together on the ground when the paint spraying device 1 rests with its side wall on the ground. In addition, the two rollers 21 and 22 inserted in the feet 8 permit a rolling movement of the paint spraying apparatus 1 in the upright position of the apparatus, as in FIG Fig. 4 shown.

Wie in Fig. 5 dargestellt, liegen die Schlauchtrommel 11 und die Kabeltrommel 12 parallel und koaxial zueinander und sind von der Trennwand 13 voneinander separiert, die den Wickelbereich 11a bzw. 20a jeder Trommel 11 bzw. 20 unmittelbar begrenzt. Auf der der Trennwand 12 axial abgewandten Seite weist die Schlauchtrommel 11 eine Begrenzungswand 14 auf, eine entsprechende Begrenzungswand 15 ist an der Kabeltrommel 20 mit Abstand zur Trennwand 12 vorgesehen. Die axiale Breite der Wickelbereiche 11a, 20a unterscheidet sich, der Wickelbereich 11a der Schlauchtrommel 11 ist etwa zwei- bis dreimal so breit wie der Wickelbereich 20a der Kabeltrommel 20, die das Netzkabel 24 für die elektrische Antriebseinheit aufnimmt. Der Durchmesser des Wickelbereiches 11a der Schlauchtrommel 11 ist ebenfalls größer als der Durchmesser des Wickelbereiches 20a der Kabeltrommel 20. Die Begrenzungswände 14 bzw. 15 von Schlauchtrommel 11 bzw. Kabeltrommel 20 überragen den jeweiligen Wickelbereich, wobei der Durchmesser der Begrenzungswand 15 der Kabeltrommel 20 geringfügig größer ist als der Durchmesser des Wickelbereiches 11a der Schlauchtrommel 11.As in Fig. 5 shown, the hose reel 11 and the cable drum 12 are parallel and coaxial with each other and are separated from each other by the partition wall 13, which is the winding portion 11 a or 20a of each drum 11 or 20 directly limited. On the side facing away from the partition 12 axially facing the hose drum 11 has a boundary wall 14, a corresponding boundary wall 15 is provided on the cable drum 20 at a distance from the partition wall 12. The axial width of the winding portions 11a, 20a differs, the winding portion 11a of the hose reel 11 is about two to three times as wide as the winding portion 20a of the cable drum 20, which receives the power cable 24 for the electric drive unit. The diameter of the winding region 11a of the hose drum 11 is also greater than the diameter of the winding region 20a of the cable drum 20. The boundary walls 14 and 15 of hose reel 11 and cable drum 20 project beyond the respective winding region, wherein the diameter of the boundary wall 15 of the cable drum 20 slightly larger is the diameter of the winding portion 11 a of the hose drum 11.

Wie Fig. 5 in Verbindung mit Fig. 6 zu entnehmen, ist am Wickelbereich der Schlauchtrommel 11 ein L-förmiger Anschlussstutzen 26 ausgebildet, der zum Anschluss des Schlauches über das Kupplungsteil 4 dient. Der Anschlussstutzen 26 weist zwei in einem 90°-Winkel zueinander stehende, einteilig miteinander verbundene Schenkel auf, wobei ein erster Schenkel radial in das Gehäuseinnere führt und von dem Luftstrom der elektrischen Druckerzeugungseinheit 27 (Fig. 6) beaufschlagt wird und der zweite Schenkel tangential zur Schlauchtrommel 11 verläuft und zum Anschluss des Luftschlauches dient. Eingezeichnet sind in den Fig. 5 und 6 zwei Anschlussstutzen 26 im unteren, den Füßen 8 benachbarten Bereich und die diametral gegenüberliegenden, dem Handgriff 13 benachbarten Bereich, die jedoch alternativ vorgesehen sind und lediglich demonstrieren sollen, dass der Anschlussstutzen über den Umfang der Schlauchtrommel gesehen an unterschiedlichen Positionen angeordnet werden kann.As Fig. 5 combined with Fig. 6 can be seen, an L-shaped connecting piece 26 is formed at the winding region of the hose drum 11, which serves to connect the hose via the coupling part 4. The connecting piece 26 has two legs which are connected to one another at a 90 ° angle and are connected to one another in one piece, a first leg leading radially into the interior of the housing and being separated from the air flow of the electrical pressure generating unit 27 (FIG. Fig. 6 ) is acted upon and the second leg is tangential to the hose drum 11 and serves to connect the air hose. Marked in the FIGS. 5 and 6 two connecting pieces 26 in the lower, the feet 8 adjacent area and the diametrically opposite, the handle 13 adjacent area, however, are provided as an alternative and are merely intended to demonstrate that the connection piece can be seen over the circumference of the hose drum arranged at different positions.

Fig. 7 zeigt in Schnittdarstellung ein Lager zur Aufnahme einer Rolle 23 im Gehäuse des Farbspritzgerätes. In eine Gehäusewand 28 des Gehäuses ist eine teilkugelförmige Vertiefung 29 zur Aufnahme der Rolle 23 eingebracht, wobei anstelle einer teilkugelförmigen Vertiefung auch anderweitige Diametrien für die Vertiefung in Betracht kommen. Die eingesetzte Rolle 23 wird von einer Halteplatte 30 in der Vertiefung 29 gehalten, wobei die Halteplatte 30 mit einer Ausnehmung versehen ist, durch die ein Teil der Rolle 23 hindurchtritt und die Ausnehmung in der Halteplatte von begrenzenden Lippen 31 umschlossen ist. Die Lippen 31 erlauben ein reibungsarmes Abrollen des Wälzkörpers bzw. der Rolle 23. Die Halteplatte 30 ist mit der Gehäusewandung 28 verbunden. Fig. 7 shows a sectional view of a bearing for receiving a roller 23 in the housing of the paint spraying device. In a housing wall 28 of the housing is a part-spherical recess 29 for receiving the roller 23 is introduced, wherein instead of a part-spherical recess and other diametrics come into consideration for the recess. The inserted roller 23 is held by a holding plate 30 in the recess 29, wherein the holding plate 30 is provided with a recess through which a part of the roller 23 passes and the recess in the holding plate is surrounded by delimiting lips 31. The lips 31 allow a low-friction rolling of the rolling element or the roller 23. The holding plate 30 is connected to the housing wall 28.

Claims (22)

  1. Transportable paint spraying device, with an electric pressure-generating unit (27), which is arranged in a housing (2), for generating an air stream which is introducible into an air hose (3) which is coupleable to the housing (2) and to which a spray unit (6) is connectable,
    characterized in that a cable drum (20) for a power cable (24) of the electric pressure-generating unit (27) and a hose drum (11) for the air hose (3) are arranged on the outside of the housing (2), wherein the cable drum (20) and the hose drum (11) are arranged parallel to each other and are separated from each other via a radial partition (12).
  2. Paint spraying device according to Claim 1, characterized in that the cable drum (20) is formed integrally with the housing (2).
  3. Paint spraying device according to Claim 1 or 2, characterized in that the hose drum (11) is formed integrally with the housing (2).
  4. Paint spraying device according to one of Claims 1 to 3,
    characterized in that the partition (12) is formed integrally with the housing (2).
  5. Paint spraying device according to one of Claims 1 to 4,
    characterized in that the partition (12) protrudes radially over the hose drum (11) and the cable drum (20).
  6. Paint spraying device according to one of Claims 1 to 5,
    characterized in that the hose drum (11) and the cable drum (20) each have a boundary wall (25) which is spaced apart from the partition (12) and protrudes radially over the winding region (11a, 20a) on each drum.
  7. Paint spraying device according to one of Claims 1 to 6,
    characterized in that the hose drum (11) and the cable drum (20) are arranged coaxially with respect to each other.
  8. Paint spraying device according to one of Claims 1 to 7,
    characterized in that the hose drum (11) is mounted rotatably in the housing (2).
  9. Paint spraying device according to Claim 8, characterized in that the hose drum (11) is provided with an automatic winding-up device.
  10. Paint spraying device according to one of Claims 1 to 9,
    characterized in that a handle (13) is formed on the partition (12).
  11. Paint spraying device according to one of Claims 1 to 10,
    characterized in that a connecting pipe (26) for the connection of the air hose (3) is arranged on the circumference of the cable drum (20).
  12. Paint spraying device according to Claim 11,
    characterized in that the connecting pipe (26) is of L-shaped design and has a limb leading radially into the housing (2) and a limb running tangentially with respect to the winding region (11a, 20a), for the connection of the air hose (3).
  13. Paint spraying device according to one of Claims 1 to 12,
    characterized in that a latch (15) which is assigned to the cable drum (20) is arranged adjustably on the housing (2) and can be adjusted between a locking position and an opening position, wherein, in the locking position, the latch (15) at least partially spans the winding region (20a) of the cable drum (20).
  14. Paint spraying device according to Claim 13,
    characterized in that the latch (15) is held rotatably on the housing (2), preferably on the partition (12), via a hinge (18).
  15. Paint spraying device according to Claim 13 or 14,
    characterized in that the latch (15) has a receiving device for receiving the spray unit.
  16. Paint spraying device according to Claim 15,
    characterized in that the receiving device is designed as a depression in the latch (15) for fitting the spray unit into.
  17. Paint spraying device according to one of Claims 13 to 16,
    characterized in that the latch (15) is of U-shaped design, wherein, in the locking position, the free end side of the latch (15) engages in an associated recess (17) in the housing (2).
  18. Paint spraying device according to one of Claims 1 to 17,
    characterized in that the housing (2) has the following dimensions: height : width : depth = 1 : 1 : max. 0.5.
  19. Paint spraying device according to one of Claims 1 to 18,
    characterized in that rollers (21, 22, 23) are arranged on the housing (2).
  20. Paint spraying device according to Claim 19,
    characterized in that the rollers (21, 22, 23) lie in a common plane.
  21. Paint spraying device according to Claim 19 or 20,
    characterized in that the rollers (21, 22, 23) are accommodated in roller receptacles which are introduced into the housing (2).
  22. Paint spraying device according to Claim 19 or 21,
    characterized in that at least one roller (21, 22, 23) is positioned on a side wall of the housing (2).
EP09714165.9A 2008-02-25 2009-02-20 Transportable paint spraying device Active EP2257382B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008000400A DE102008000400A1 (en) 2008-02-25 2008-02-25 Transportable paint sprayer
PCT/EP2009/052004 WO2009106478A1 (en) 2008-02-25 2009-02-20 Transportable paint spraying device

Publications (2)

Publication Number Publication Date
EP2257382A1 EP2257382A1 (en) 2010-12-08
EP2257382B1 true EP2257382B1 (en) 2015-08-12

Family

ID=40679700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09714165.9A Active EP2257382B1 (en) 2008-02-25 2009-02-20 Transportable paint spraying device

Country Status (5)

Country Link
EP (1) EP2257382B1 (en)
CN (1) CN101959611B (en)
DE (1) DE102008000400A1 (en)
RU (1) RU2491997C2 (en)
WO (1) WO2009106478A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048022A1 (en) 2009-10-02 2011-04-07 J. Wagner Gmbh Transportable paint sprayer
CN105347117A (en) * 2015-11-05 2016-02-24 袁沛兰 Pipe rolling frame
ES2954839T3 (en) * 2016-02-21 2023-11-27 Graco Minnesota Inc Low-pressure, high-volume on-demand spray system
CN107010494B (en) * 2017-05-17 2018-08-28 湘潭时代线束有限公司 The cable windings stake of subsidiary small-sized reel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB347161A (en) * 1928-12-19 1931-04-17 Friedrich Rentsch Improved apparatus for use in spraying paints and the like
SU1426652A2 (en) * 1986-10-21 1988-09-30 Минское Экспериментально-Конструкторское Технологическое Бюро Кожгалантерейной И Фурнитурной Промышленности Installation for painting and drying articles
SU1699644A1 (en) * 1988-09-15 1991-12-23 Всесоюзный научно-исследовательский конструкторско-технологический институт по переработке фруктов и винограда Научно-производственного объединения "Нектар" Device for application of coating to internal surface of cylindrical articles
JP3560448B2 (en) * 1996-10-01 2004-09-02 株式会社シマノ Reel body of dual bearing reel
CN2721241Y (en) * 2003-03-06 2005-08-31 李宏江 Environmental protective liquid paint sprayer with multiple structure and function
US7487651B2 (en) * 2005-01-21 2009-02-10 Euro-Pro Operating, Llc Steamer with wrapped cord and hose
DE102005006359A1 (en) * 2005-02-11 2006-08-24 Robert Bosch Gmbh spray gun
DE102005006360A1 (en) * 2005-02-11 2006-08-24 Robert Bosch Gmbh spray gun
CN100429136C (en) * 2006-07-07 2008-10-29 韩京姬 Easily-operating wire winding device
DE202007007256U1 (en) * 2007-05-22 2007-09-06 Glabisch, Stefan Paint color change system, for a spray gun, has a control valve at the paint containers to direct pressure from the compressor into a selected container or mix the paints from several
RU108250U1 (en) * 2010-09-28 2011-09-10 Открытое акционерное общество "Протон" INTEGRAL ELECTRONIC RELAY WITH TRANSFORMER DISCHARGE

Also Published As

Publication number Publication date
CN101959611B (en) 2013-09-18
RU2491997C2 (en) 2013-09-10
EP2257382A1 (en) 2010-12-08
RU2010139293A (en) 2012-04-10
CN101959611A (en) 2011-01-26
DE102008000400A1 (en) 2009-08-27
WO2009106478A1 (en) 2009-09-03

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