EP0901831A2 - Pistolet à arrêt à commande manuelle pourvu d'une régulation de pression et de débit - Google Patents

Pistolet à arrêt à commande manuelle pourvu d'une régulation de pression et de débit Download PDF

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Publication number
EP0901831A2
EP0901831A2 EP98116918A EP98116918A EP0901831A2 EP 0901831 A2 EP0901831 A2 EP 0901831A2 EP 98116918 A EP98116918 A EP 98116918A EP 98116918 A EP98116918 A EP 98116918A EP 0901831 A2 EP0901831 A2 EP 0901831A2
Authority
EP
European Patent Office
Prior art keywords
manual shut
gun
pressure
valve stem
valve
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.)
Withdrawn
Application number
EP98116918A
Other languages
German (de)
English (en)
Other versions
EP0901831A3 (fr
Inventor
Arthur Dipl.-Ing.(FH) Maschinenbau Rau
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.)
WAP Reinigungssysteme GmbH and Co
Original Assignee
WAP Reinigungssysteme GmbH and Co
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 WAP Reinigungssysteme GmbH and Co filed Critical WAP Reinigungssysteme GmbH and Co
Publication of EP0901831A2 publication Critical patent/EP0901831A2/fr
Publication of EP0901831A3 publication Critical patent/EP0901831A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B08B3/028—Spray guns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
    • 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
    • B05B9/01—Spray pistols, discharge devices

Definitions

  • the invention relates to a manual shut-off gun for High pressure cleaning devices according to the generic term of Claim 1.
  • Such hand shut-off pistols are used to the high pressure medium generated in a pressure washer controlled in feed a spray tube at its free front end a high pressure nozzle is arranged.
  • a disadvantage in the formation of these known pressure and Quantity regulation as a rotatable sleeve is that the sleeve is difficult and relatively imprecise to set and that the Construction is relatively complex to the required To ensure pressure and volume regulation. Because it has to a rotating movement in the circumferential direction of the spray tube be converted into an assigned radial valve movement, to the required pressure and volume regulation guarantee.
  • the invention is therefore based on the object Manual shut-off gun with pressure and volume regulation propose which is a much simplified design and with which a more sensitive and better adjustable pressure and volume regulation is possible.
  • the high-pressure channel across the valve stem is arranged by at least one through hole is penetrated, the valve stem being rotatable in the housing the manual shut-off gun is arranged.
  • the main advantage is that a simple Pressure flow regulation is suggested with little moving parts gets along. It is enough to have one simple cross hole penetrating the high pressure channel provide, in this cross hole in the manner of a Ventilkükens a valve stem is used, which previously includes through hole described to the required Realize pressure and volume regulation.
  • valve stem is sealed within the body of the Manual shut-off gun led to the outside and ends there in a rotary knob, which is connected to the valve stem in a rotationally fixed manner is. With this knob the valve stem can be adjusted accordingly are rotated so that this by means of the through hole releases the high pressure duct accordingly.
  • valve stem is above and below the Through hole through associated seals in the Sealed valve body bore and further is the Valve stem as such through a stuffing box in the Valve body bore sealed to ensure a flawless To achieve sealing of the valve stem to the outside.
  • valve stem twist particularly is smooth and therefore a sensitive adjustment of the Pressure and volume regulation supported.
  • a cross-section through a is schematized in the figure Manual shut-off pistol shown after the innovation.
  • the manual shut-off gun essentially consists of two Similar housing shells 5 together, in Figure 1 only one of the housing shells 5 for a better overview is shown.
  • the two housing shells 5 define one self-contained housing, which consists essentially of a rear wall 7, a front wall 6, a bottom wall 8 and consists of an end wall 9.
  • This Kink protection device consists essentially of a lower, tulip-shaped opening outwards Receiving opening 3 into which the high pressure hose 4 is introduced by means of a press sleeve 20 on a Approach of a press nipple 18 is kept sealing.
  • a fastening nut 19 is fixed in the anti-kink sleeve 2 arranged that secured against rotation with an associated pin is held locked in the kink protection sleeve 2.
  • the press-in nipple 18 with corresponding Sealants on the one hand on the fastening nut 19 and, on the other hand, sealingly engages the valve body 36 and but at the same time is rotatable to the parts mentioned, so that the high pressure hose 4 rotatable and sealed in the Manual shut-off gun 1 is held.
  • the press-in nipple 18 opens into a socket via a shoulder 17, which as a separate nut part in the valve body 36 is screwed in.
  • This socket 17 forms the lower part the valve assembly.
  • the socket receives a compression spring 16 the other end of which is supported on a valve ball 11 which is in turn held in a valve seat 12.
  • On the Ball 11 presses a valve lifter 13, which is sealed in a Bore of the valve body 36 is guided and the top free end is guided by a guide bush 14, which an appropriate stuffing box and O-rings for sealing having. In this way it is avoided that High pressure medium from this guide channel of the valve lifter 13 penetrates to the outside.
  • the upper free end of the valve lifter 13 sits on a hardened steel insert that is part of the Power lever 37 of an operating lever 15.
  • the Actuating lever 15 of the manual shut-off gun 1 is namely of two parts, one of which is relatively long is and is designed as a handle 38, and the other part forms the above-mentioned power lever 37.
  • This two-armed Actuating lever can be pivoted in a pivot bearing 33 stored.
  • the pressure quantity regulation 21 Downstream of this shutdown device 10 is the pressure quantity regulation 21 arranged, which consists essentially of a valve stem 22 which is in a Valve body bore 34 is rotatably arranged.
  • the Valve body bore 34 passes through the high pressure channel in Cross direction and - advantageous because of better operation -
  • the longitudinal axis of the valve stem 22 is approximately perpendicular to Axis of the outlet chamber 31 is arranged, in which the High pressure spray pipe is arranged. That way ensured that the control device for the printing and Quantity regulation 21 approximately perpendicular to the axis of the Spray tube is arranged to operate well to reach.
  • the actuating device for pressure and volume regulation 21 consists of a rotary knob 26 which rotatably with a Fastening screw 23 is connected, which in turn is in turn non-rotatably connected to the valve stem 22. It an inner cover cap 25 is provided, which fixed with respect to the rotatable rotary knob 26 is arranged and on the corresponding setting symbols can be arranged with an associated Adjustment mark on the knob 26 interact. For the rest is the knob 26 is rotatably mounted on an adjusting ring 24 and secured against lifting.
  • valve stem 22 is in the upper part of the valve body 36 sealed by means of a stuffing box 27 and points beyond the stuffing box an annular collar 35 larger radial Diameter on that as a stop for the stuffing box 27th serves and at the same time as an axial displacement protection of the Valve stem 22 is used.

Landscapes

  • Taps Or Cocks (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP98116918A 1997-09-11 1998-09-08 Pistolet à arrêt à commande manuelle pourvu d'une régulation de pression et de débit Withdrawn EP0901831A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19739944 1997-09-11
DE1997139944 DE19739944A1 (de) 1997-09-11 1997-09-11 Handabschaltpistole mit Druck-Mengenregulierung

Publications (2)

Publication Number Publication Date
EP0901831A2 true EP0901831A2 (fr) 1999-03-17
EP0901831A3 EP0901831A3 (fr) 2002-01-16

Family

ID=7842014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116918A Withdrawn EP0901831A3 (fr) 1997-09-11 1998-09-08 Pistolet à arrêt à commande manuelle pourvu d'une régulation de pression et de débit

Country Status (2)

Country Link
EP (1) EP0901831A3 (fr)
DE (1) DE19739944A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117065126A (zh) * 2023-10-13 2023-11-17 北京市农林科学院 一种家畜外阴清洁装置及清洁方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342745B4 (de) 2003-09-16 2007-02-01 Alto Deutschland Gmbh HD-Pistole mit Rückstellung der Drosselventil-Funktion
DE102008059589A1 (de) 2008-11-28 2010-06-02 Nilfisk-Advance A/S Handabschaltpistole

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116882A (en) * 1962-01-25 1964-01-07 Gray Company Inc Turret-nozzle for paint spray guns
US3936002A (en) * 1974-11-29 1976-02-03 Geberth John Daniel Jun Adjustable spray tip
DE2730936A1 (de) * 1977-07-08 1979-01-25 Paul Beyer Spritzpistole zum verspruehen fluessiger und/oder gasfoermiger medien
JPS5738958A (en) * 1980-07-02 1982-03-03 Fuirisu Gurahamu Spray chip
US4629121A (en) * 1982-07-19 1986-12-16 Hengesbach Robert W Flow control nozzle and shutoff valve having screen-carrying passage in rotatable stem
DE3231718A1 (de) * 1982-07-22 1984-01-26 Kludi-Armaturen Paul Scheffer, 5758 Fröndenberg Handbrause fuer eine mischbatterie
US5836517A (en) * 1995-01-03 1998-11-17 Ransburg Corporation Spray gun with fluid valve
DE19501466A1 (de) * 1995-01-19 1996-07-25 Hermann Autenrieth Reinigungspistole mit revolvergriffartiger Handhabe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117065126A (zh) * 2023-10-13 2023-11-17 北京市农林科学院 一种家畜外阴清洁装置及清洁方法
CN117065126B (zh) * 2023-10-13 2023-12-22 北京市农林科学院 一种家畜外阴清洁装置及清洁方法

Also Published As

Publication number Publication date
DE19739944A1 (de) 1999-03-25
EP0901831A3 (fr) 2002-01-16

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