WO2009106480A1 - Pistolet pulvérisateur comportant un dispositif prolongateur pour rallonger la poignée du pistolet pulvérisateur - Google Patents

Pistolet pulvérisateur comportant un dispositif prolongateur pour rallonger la poignée du pistolet pulvérisateur Download PDF

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Publication number
WO2009106480A1
WO2009106480A1 PCT/EP2009/052007 EP2009052007W WO2009106480A1 WO 2009106480 A1 WO2009106480 A1 WO 2009106480A1 EP 2009052007 W EP2009052007 W EP 2009052007W WO 2009106480 A1 WO2009106480 A1 WO 2009106480A1
Authority
WO
WIPO (PCT)
Prior art keywords
spray gun
handle
extension
extension element
spray
Prior art date
Application number
PCT/EP2009/052007
Other languages
German (de)
English (en)
Inventor
Joao Jorge Bergner
Nuray Tekogul
Joerg Albrecht
Christoph Cramer
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
Priority to RU2010139288/05A priority Critical patent/RU2490073C2/ru
Priority to EP09714231.9A priority patent/EP2257387B1/fr
Publication of WO2009106480A1 publication Critical patent/WO2009106480A1/fr

Links

Classifications

    • 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
    • B05B15/628—Arrangements for supporting spraying apparatus, e.g. suction cups of variable length
    • 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
    • B05B7/24—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
    • B05B7/2418—Air pumps actuated by the operator, e.g. manually actuated

Definitions

  • the present invention relates to a spray gun for dispensing an injection molding, in particular a water-dilutable and solvent-containing injection molding material, such as paints, varnishes, glazes, primers, stains, wood preservatives, or the like.
  • a spray gun for dispensing an injection molding, in particular a water-dilutable and solvent-containing injection molding material, such as paints, varnishes, glazes, primers, stains, wood preservatives, or the like.
  • Spray guns of the type mentioned are known in the art in a variety of configurations.
  • the spraying method used is usually the low-pressure spraying method, which is a method in which sprayed material sprays at a low pressure of about 0.2 to about 0.5 bar and with a high volume of air at about 200 liters per minute becomes.
  • This HVLP spraying process achieves a low overspray, i. because of its low spray losses, coating levels up to about 65% and is thus superior to conventional processes that achieve coating levels between about 20 and about 35%.
  • Characteristic of the method is the air surrounding the spray material, which reduces overspray and color fog. This results in advantages such as paint savings and low solvent emissions, which have a particularly environmentally friendly effect.
  • a shelf is usually provided, which is often formed by the bottom of a spray gun held on the spray container.
  • the bottom of the spray material receptacle does not suffice as a storage surface in order to be able to reliably prevent overturning and concomitant soiling and / or damage to the spray gun.
  • spray guns have been proposed in which the length of the handle of the spray gun is adjusted to the height of a spray gun arranged on the spray container so that the bottom of the container and the bottom of the handle together form a storage area for stopping the spray gun. In this way, the stability of the spray gun could be greatly improved.
  • the present invention provides a spray gun for dispensing an injection molding comprising a housing; a receiving device for the optional recording of different levels of sprayed containers; a handle for holding the spray gun and provided on the handle extension means for extending the length of the handle to adjust the length of the handle to the height of a recorded on the receiving device Spritzgut mattersers that handle and Spritzgut variouser together form a storage area for stopping the spray gun.
  • the extension device has at least one extension element, which is fastened adjustably in the length direction of the handle. Due to the adjustability of the extension element in the length direction of the handle, in contrast to the prior art described above, only a single extension element is required. The attachment of the extension element to the handle creates a captive. Furthermore, the extension element is always carried along with the spray gun and is always ready for use accordingly.
  • the extension element is received in an open to the free end of the handle cavity of the handle. Accordingly, the extension member does not take up extra space and does not affect the external appearance of the spray gun. If necessary, the extension element can be pulled out of the handle to adjust the length of the handle to the height of a Spritzgut disposers.
  • At least one guide for guiding the adjustment movement of the extension element is provided, whereby the handling of the extension device is improved.
  • the extension device advantageously comprises a locking device by means of which the extension element can be locked in several positions.
  • the positions which can be locked by means of the locking device are defined positions.
  • the locking device preferably includes at least two toothed components adapted to be selectively engageable with and disengaged from each other and defining the plurality of positions, wherein the locking occurs in the engaged state of the components.
  • the geometry of the teeth of the toothed components, their pitch and the number of mutually corresponding teeth determine the plurality of positions.
  • the locking device preferably comprises at least one spring element, which biases the toothed components in their engaged state. In this way, an undesired change of a set position of the extension element can be prevented.
  • the biasing force of the at least one spring element is chosen so large according to a variant that the locked position of the extension element when stopping the spray gun is maintained, and chosen so small that the locking of the extension element by manual force on the extension element can be overcome.
  • the biasing force of the at least one spring element can be overcome by manually applying a tensile or compressive force to the extension element.
  • the extension element unintentionally moved from the user-selected locked position when the spray gun is parked on a substrate.
  • At least one of the toothed components is operatively connected to an actuating mechanism which is designed such that the inlet Grips state of the toothed components is released in its operation against the biasing force of the spring element.
  • the locked position selected by the user can only be canceled by operating the actuating mechanism by the user.
  • the actuating mechanism has a lever arranged to reduce the force required to release the engaged state of the toothed components. Accordingly, force for actuating the operating mechanism is reduced and the handling of the spray gun is improved.
  • the actuating mechanism has an actuating element arranged on the handle and accessible from the outside, such as a push button or the like, so that the user can conveniently operate the actuating mechanism.
  • the locking device is such that positions of the extension element are infinitely lockable.
  • the lock produced by the locking device is preferably non-positively.
  • FIG. 1 is a perspective view of a spray gun according to a first embodiment of the present invention in a first state
  • FIG. 2 is a perspective view of the spray gun shown in FIG. 1 in a second condition
  • FIG. 1 is a perspective view of a spray gun according to a first embodiment of the present invention in a first state
  • FIG. 2 is a perspective view of the spray gun shown in FIG. 1 in a second condition
  • FIG. 1 is a perspective view of a spray gun according to a first embodiment of the present invention in a first state
  • FIG. 2 is a perspective view of the spray gun shown in FIG. 1 in a second condition
  • Fig. 3 is a partial longitudinal sectional view of a lower portion of the handle of the spray gun shown in Fig. 1, showing an embodiment of the handle and an extension device according to a first variant of the present invention
  • Fig. 4 is a cross-sectional view taken along the line IV-IV in Fig. 3;
  • Fig. 5 is a partial longitudinal sectional view of the handle of the spray gun shown in Fig. 1, showing an embodiment of the handle and an extension device according to a second variant of the present invention.
  • FIG. 6 is a cross-sectional view along the line VI-VI in Fig. 5th
  • FIG. 1 is a perspective view showing a spray gun 10 according to an embodiment of the present invention.
  • the spray gun 10 is subdivided into two main units, namely an electrical unit 12 and a spray unit 14, which can be detachably connected to one another by means of a connecting device, not shown, in order to facilitate the cleaning of the spray unit 14 having color after use.
  • the electrical unit 12 comprises a housing 16 which defines a receiving space for the electrical components (not shown) of the spray gun 10, in particular for a compressed air generating device. Is integral with the housing 16 a downwardly extending handle 18 is formed, which can be gripped by a user for handling the spray gun 10. Within the handle 18, an extension means 20 for extending the length of the handle 18 is provided, which is in Fig.
  • An operation switch 22 for turning on and off the spray discharge of the spray gun 10 is integrally formed with the handle 18 at an upper portion thereof so that an operator can easily operate it when grasping the handle 18.
  • the side of the control switch 22, an adjustment 24 is provided, which is used for manual adjustment of the amount of spray, which is to be delivered by the spray gun 10 per unit time.
  • a cable 26 is connected, which serves to supply the recorded in the housing 16 electrical components of the spray gun 10 with electrical energy.
  • the spray unit 14 comprises at its front end a spray nozzle 30, via which the spray material is discharged.
  • the spray nozzle 30 is such that the user can set various beam shapes and beam directions in which the sprayed material is dispensed, such as a point beam, a horizontally extending elliptical beam, or a vertically extending elliptical beam. Accordingly, the jet shape of the injection molding can be adapted to a specific application.
  • a spray material container 32a with the height Hi is detachably fastened to a holding device 33 of the spray unit 14. This releasable attachment can be done for example by means of a screw, a connector, a snap-in connection or the like.
  • the underside of Spritzgut mattersers 32 a and the underside of the extension device 20 are in height so each other coordinated that they together form a storage area for parking the spray gun 10.
  • the spray gun 10 can be safely parked on a surface.
  • FIG. 2 shows the spray gun shown in FIG. 1 in a state in which the spray material container 32a having the height Hi has been replaced by a spray material container 32b having the height H 2 , the height H 2 being greater than the height Hi.
  • the extension device 20 according to FIG. 2 is in a state in which it has been pulled out in accordance with the height difference H 2 -Hi.
  • the Spritzgut essenceer 32b and the handle 18 or in this integrated extension device 20 in turn together form a storage area for parking the spray gun 10th
  • Fig. 3 is a partial longitudinal sectional view of the lower portion of the handle 18 shown in FIG Handle 18 with the integrated therein extension device 20, and Fig. 4 is a cross-sectional view taken along the line IV-IV in Fig. 3.
  • the handle 18 includes an outer wall 34 that defines a downwardly open cavity 36.
  • the extension device 20 shown in FIGS. 1 and 2 is received.
  • the extension device 20 comprises an extension element 38 in the form of an elongated insert provided with a pedestal 40, which is received in the direction of the arrow A upwardly and downwardly movably received in the cavity 36.
  • the extension element 38 is received between sliding surfaces 41 which are formed in the interior of the cavity 36, these sliding surfaces 41, the extension element 38 during its up and down lead upward movement.
  • fastening means 42 such as screws or the like, attached to the outer wall 34 of the handle 18 spring element 43 in the form of a bent leaf spring exerts a biasing force on the inner surface 44 of a pressure piece 46, which along sliding surfaces 48th is arranged transversely to the longitudinal direction of the handle 18 slidably.
  • the pressure piece 46 is provided at its pointing to the extension member 38 front portion with a toothing 50 which engages in a similar manner to the extension member 38 teeth 52, whereby the extension member 38 is locked in a position.
  • the toothing 52 of the extension element 38, the toothing 50 of the pressure piece 46 and the spring element 43 accordingly form a locking device.
  • the extension member 38 is gripped by a user at his stand 40 and pushed into the cavity 36 of the handle 18 or pulled out of this.
  • the teeth 50 of the pressure element 46 and the teeth 52 of the extension element 38 are shifted from each other by the pressure piece 46 dodges against the bias of the spring element 43.
  • the geometry of the teeth 50 and 52 and the biasing force of the spring element 43 are dimensioned such that the support leg 40 can be pulled out and pushed in without much effort, but it is ensured that caused by the engagement of the teeth 50 and 52 locking the extension element 38 is maintained when stopping the spray gun 10 on the jointly formed by the handle 18 and the bottom of a Spritzgut mattersers 32a or 32b storage area.
  • the length of the Handle 18 are easily adapted to the heights of different spray containers, which is done by simply pulling or pushing the extension element 38.
  • Fig. 5 is a partial longitudinal cross-sectional view of the handle 18 and the extension device 20 according to this second variant and Fig. 6 is a cross-sectional view along the line VI-VI in Fig. 5.
  • the extension device 20 comprises an extension element 60, which is also slidably received in the cavity 36 of the handle 18 along sliding surfaces 61 up and down and has a toothing 62 on its outer side.
  • the toothing 62 of the extension element 60 is operatively connected to an actuating mechanism 63, which has a lever 68 rotatably mounted about a pivot point 66.
  • actuating mechanism 63 which has a lever 68 rotatably mounted about a pivot point 66.
  • a toothed segment 70 is formed, wherein the toothed segment 70 engages under the bias of a spring element 72 in the toothing 62 of the extension member 60, whereby the position of the extension member 60 is locked within the cavity 36 of the handle 18.
  • the actuating mechanism 64 is activated by the user pressing the provided on the outer wall 34 actuator 74 against the lower free end of the lever 68, whereupon the sector gear 70 of the actuating mechanism 64 against the biasing force of the spring member 72 from the engagement with the teeth 62 of Extension member 60 moves so that the user can grip the extension member 60 on the base, not shown in Figs. 5 and 6 and can move freely up or down.
  • the toothed segment 70 is pressed by the spring element 72 into engagement with the toothing 62 of the extension element 60 again, so that the corresponding position of the extension element 60 is locked.
  • the number of possible positions of the extension element 60 is predetermined by the geometry of the toothing 62 and its length.
  • the embodiment of the handle 18 and the extension device 20 shown in FIGS. 5 and 6 allows a simple and flexible adaptation of the length of the handle 18 to the height of the incised Spritzgut disposers.
  • extension device 20 Since the extension elements 38 and 60 shown in FIGS. 3 to 6 are firmly received in the cavity 36 of the handle 18, the extension device 20 is always carried along with the spray gun 10 and can be used accordingly at any time. In addition, the extension device 20 is difficult to get lost. To prevent a complete withdrawal of the extension device 20 from the cavity 36 of the handle 18, a corresponding fuse (not shown) may be provided.
  • the length adjustment of the handle takes place in different levels sprayed in stages
  • the invention is not limited thereto.
  • the length adjustment can also be made continuously, similar to, for example, in conventional telescopic rods, wherein the locking of a position is then preferably carried out by means of frictional engagement.
  • the compressed air generating device need not be integrated in the spray gun.
  • it can also be arranged in a separate unit, the spray gun in this case being connected to the pressure generating device via a compressed air hose.

Landscapes

  • Nozzles (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

L'invention concerne un pistolet pulvérisateur (10) servant à distribuer une matière à pulvériser, comprenant un boîtier (16), un dispositif récepteur (33) servant à recevoir des contenants (32a, 32b) de différentes hauteurs, abritant la matière à pulvériser, une poignée (18) servant à tenir le pistolet pulvérisateur et un dispositif prolongateur (20) placé sur la poignée, servant à accroître la longueur de cette dernière de façon à ce que cette longueur soit adaptée à la hauteur (H1, H2) d'un contenant pour la matière à distribuer, reçu par le dispositif récepteur, de sorte que la poignée et le contenant pour la matière à distribuer présentent une surface de base commune permettant de poser le pistolet pulvérisateur. Le dispositif prolongateur comporte au moins un élément prolongateur (38, 60) pouvant être fixé à la poignée de manière réglable dans le sens de la longueur de cette dernière.
PCT/EP2009/052007 2008-02-25 2009-02-20 Pistolet pulvérisateur comportant un dispositif prolongateur pour rallonger la poignée du pistolet pulvérisateur WO2009106480A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2010139288/05A RU2490073C2 (ru) 2008-02-25 2009-02-20 Пистолет-распылитель с удлинительным устройством для удлинения рукоятки пистолета-распылителя
EP09714231.9A EP2257387B1 (fr) 2008-02-25 2009-02-20 Pistolet pulvérisateur comportant un dispositif prolongateur pour rallonger la poignée du pistolet pulvérisateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008000396A DE102008000396A1 (de) 2008-02-25 2008-02-25 Spritzpistole mit einer Verlängerungseinrichtung zur Verlängerung des Handgriffs der Spritzpistole
DE102008000396.4 2008-02-25

Publications (1)

Publication Number Publication Date
WO2009106480A1 true WO2009106480A1 (fr) 2009-09-03

Family

ID=40685647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/052007 WO2009106480A1 (fr) 2008-02-25 2009-02-20 Pistolet pulvérisateur comportant un dispositif prolongateur pour rallonger la poignée du pistolet pulvérisateur

Country Status (4)

Country Link
EP (1) EP2257387B1 (fr)
DE (1) DE102008000396A1 (fr)
RU (1) RU2490073C2 (fr)
WO (1) WO2009106480A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2518692B (en) * 2013-09-30 2019-12-18 Exel Industries Sa Hose guns
DE102016107465A1 (de) * 2016-04-22 2017-10-26 J. Wagner Gmbh Farbsprühgerät
RU174978U1 (ru) * 2017-08-22 2017-11-14 Общество с ограниченной ответственностью "Гамма" Съемный держатель для пистолета для нанесения адгезионных композиций

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006360A1 (de) * 2005-02-11 2006-08-24 Robert Bosch Gmbh Spritzpistole
DE102005041488A1 (de) * 2005-09-01 2007-03-08 Robert Bosch Gmbh Druckluftbetriebene Spritzpistole

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US3137958A (en) * 1962-10-29 1964-06-23 Browning Ind Inc Adjustable butt stock
US4317393A (en) * 1980-08-25 1982-03-02 Kenneth Graffam Extensible torque bar
US5584097A (en) * 1995-01-12 1996-12-17 Lu; Kuo-Yu Full handle for a truck
US6375094B1 (en) * 1997-08-29 2002-04-23 Nordson Corporation Spray gun handle and trigger mechanism
US6460787B1 (en) * 1998-10-22 2002-10-08 Nordson Corporation Modular fluid spray gun
US6651371B2 (en) * 2001-06-25 2003-11-25 Richard Mark Fitzpatrick Modular gunstock
US6705539B1 (en) * 2002-02-07 2004-03-16 Frank C. Bien Spray gun/applicator
US6971290B1 (en) * 2002-08-20 2005-12-06 Ybarra Luis M Adjustable extension for socket wrenches
US7111424B1 (en) * 2003-12-02 2006-09-26 Moody Joseph R Fore grip with bipod
US7724609B2 (en) * 2004-03-25 2010-05-25 Wagner Spray Tech Corporation Sonic cup gun
RU2271873C1 (ru) * 2004-08-04 2006-03-20 Общество с ограниченной ответственностью "Фирма "МКМ" Распылительный пистолет
DE502006004167D1 (de) * 2006-02-11 2009-08-20 Wagner Gmbh J Spritzpistole mit angepasstem Vorratsbehälter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006360A1 (de) * 2005-02-11 2006-08-24 Robert Bosch Gmbh Spritzpistole
DE102005041488A1 (de) * 2005-09-01 2007-03-08 Robert Bosch Gmbh Druckluftbetriebene Spritzpistole

Also Published As

Publication number Publication date
RU2010139288A (ru) 2012-04-10
EP2257387A1 (fr) 2010-12-08
RU2490073C2 (ru) 2013-08-20
EP2257387B1 (fr) 2017-02-08
DE102008000396A1 (de) 2009-08-27

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