EP3919182A1 - Wasserspritzpistole - Google Patents

Wasserspritzpistole Download PDF

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Publication number
EP3919182A1
EP3919182A1 EP20178634.0A EP20178634A EP3919182A1 EP 3919182 A1 EP3919182 A1 EP 3919182A1 EP 20178634 A EP20178634 A EP 20178634A EP 3919182 A1 EP3919182 A1 EP 3919182A1
Authority
EP
European Patent Office
Prior art keywords
water
operating member
positioning
switch part
handle
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.)
Pending
Application number
EP20178634.0A
Other languages
English (en)
French (fr)
Inventor
Chi-Han Cheng
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.)
Yuan Mei Corp
Original Assignee
Yuan Mei Corp
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 Yuan Mei Corp filed Critical Yuan Mei Corp
Priority to EP20178634.0A priority Critical patent/EP3919182A1/de
Publication of EP3919182A1 publication Critical patent/EP3919182A1/de
Pending 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
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
    • 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
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • B05B1/1645—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection
    • B05B1/1654—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection about an axis parallel to the liquid passage in the stationary valve element
    • 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 present invention relates to a water spray gun, especially to a water spray gun in which a locked state and an unlocked state are easily switched by pressing an operating member and a switch part for control of outflow of water and adjustment of the amount of the water outflow.
  • the liquid dispensing pistol for gardening is made up of an external casing formed by a pipe and by a handle, a start lever for operation and a button elastically supported by the lever.
  • the external casing is passed through by a channel within which a valve is sliding housed which is biased by a spring and is operable by the start lever turnable between a closing position and a maximum opening position of the valve.
  • a device is made up of the button for the locking/unlocking of the lever in the maximum opening position.
  • a water application device with arrest function may include a main body graspable along a handle portion thereof by an operator and an operable member.
  • the operable member may be pivotally attached to the main body.
  • One of the operable member or the main body may include a locking member.
  • the locking member may have a locked position and an unlocked position defined by movement of the locking member relative to a locking head of the locking member, Compression of the operable member with the locking member in the locked position may transition the operable member alternately between a locked state and an unlocked state with each compression.
  • the operating member in the above prior arts has one end pivotally connected to a water-intake portion close to the main body.
  • a locking assembly is disposed on a connection between the operating member and the water-intake portion for easily locking or unlocking the operating member.
  • a channel in the water spray gun can be opened or closed by the operating member for control of outflow of water.
  • a water spray gun includes a main body, an operating member, a switch part, and a positioning portion. Users can hold a handle portion of the main body and press the operating member at the same time.
  • a passage is enclosed in the main body and composed of a water-inlet portion and a water-outlet portion.
  • a control assembly is disposed on a connection between the water-inlet portion and the water-outlet portion for control of outflow of water so that the water is sprayed out from the water spray gun.
  • the operating member includes a first end and a second end pivotally connected to a connection end of the handle portion.
  • the switch part is disposed close to the second end of the operating member and is engaged with the positioning portion of the control assembly.
  • a locked position and an unlocked position of the switch part are defined by relative movement of the switch part to the positioning portion and engagement/disengagement between the switch part and the positioning portion.
  • the switch part is switched between the locked state and the unlocked state alternately along with the pressing of the operating member while the operating member is at the locked position.
  • the switch part is at the unlocked position, the operating member is unlocked no matter being pressed or not.
  • the switch part is at the locked position, the switch part is in contact with the positioning portion and used in combination with the control assembly alternately to control outflow of water and multi-stage adjustment of the amount of the water outflow.
  • operable connection, conjunction, or coupling means directly or indirectly connection, conjunction, or coupling.
  • the direct/indirect connection, conjunction, or coupling makes a plurality of elements with respective functions connect or couple to one another to be operable.
  • an improved design of a water spray gun is provided.
  • a water spray gun includes a main body 1, an operating member 3, a switch part 4 and a positioning portion 5.
  • the main body 1 consists of a handle portion 11 and a tube portion 12 extending from the handle portion 11.
  • the handle portion 11 is a part of the main body 1 which allows users to hold while the tube portion 12 is provided with a spray head 121.
  • a connection end 11b is disposed on one end of the handle portion 11 connected to the tube portion 12.
  • the main body 1 encloses a passage which is formed by a water-inlet portion 1a located at the handle portion 11 and a water-outlet portion 2a extending to the spray head 121.
  • a water-intake end 11a arranged at the other end of the handle portion 11 is a water-intake opening of the water-inlet portion 1a and is able to be connected to a water hose connector for supplying water into the water-inlet portion 1a.
  • the water-outlet portion 2a is connected to the spray head 121 for outflow of water through the spray head 121.
  • the spray head 121 is provided with a plurality types of spray nozzles and one of the spray nozzles is selected for outflow of water.
  • a chamber 14 is arranged at a connection between the water-inlet portion 1a and the water-outlet portion 2a while a channel 15 is located between and communicating the chamber 14 and the water-outlet portion 2a for allowing water flowing from the water-inlet portion 1a to the water-outlet portion 2a.
  • a control assembly is mounted in the chamber 14 for control of water outflow and adjustment of the amount of water outflow in the passage.
  • the control assembly includes a valve stem 16, a spring 17 and the positioning portion 5.
  • the valve stem 16 includes a front end 161, a rear end 162 and an enlarged portion 163 disposed close to the rear end 162.
  • the front end 161 of the valve stem 16 is mounted in a mounting slot extending from the handle portion 11 to the outside and projecting out of the mounting slot.
  • the rear end 162 is inserted into the chamber 14 while the enlarged portion 163 is inserted through the channel 15 and abutting against an opening of the channel 15 correspondingly.
  • the spring 17 is arranged at the chamber 14 and the rear end 162 of the valve stem 16 is abutting against the spring 17.
  • the valve stem 16 can be moved repeatedly within the channel 15 due to the spring 17 abutting against the valve stem 16.
  • the positioning portion 5 is disposed on the position close to the connection end 11b of the handle portion 11 of the main body 1 and corresponding to the switch part 4.
  • the positioning portion 5 is composed of a first surface 5a and a second surface 5b while at least one tooth portion is disposed on the first surface 5a.
  • the operating member 3 controls outflow of the water.
  • the operating member 3 consists of a first end 31, a second end 32, a slot 33, and an abutting portion 34.
  • the second end 32 is pivotally connected to the connection end 11b of the handle portion 11 to be used as a fulcrum shaft for the operating member 3 being pressed or pushed.
  • the slot 33 is arranged close to the second end 32.
  • the abutting portion 34 is mounted on the second end 32 and corresponding to the connection end 11b of the main body 1. The abutting portion 34 is abutting against the front end 161 of the valve stem 16.
  • the slot 33 is located close to the second end 32 of the operating member 3 while the switch part 4 is mounted in the slot 33 and used for control of water outflow and multi-stage adjustment of the amount of the water outflow.
  • the switch part 4 is a press part 4a composed of an upper end 41, a lower end 42, a fastening portion 43, a hook portion 44 and a support shaft portion 45.
  • the support shaft portion 45 is extending from a horizontal central line 45a of the press part 4a, mounted in the slot 33of the operating member 3 and pivotally connected to two sides of the slot 33 of the operating member 3.
  • the press part 4a is divided into the upper end 41 and the lower end 42 by the central line 45a.
  • the fastening portion 43 is extending from the support shaft portion 45 and is an elastic part.
  • the hook portion 44 facing downward is formed on a rear end of the fastening portion 43 and is engaged with one of the tooth portions of the positioning portion 5 selected.
  • the hook portion 44 of the switch part 4 is engaged with or released from the tooth portion of the positioning portion 5 selected by user's finger pushing against the upper end 41 or the lower end 42 of the press part 4a.
  • the press part 4a can be moved downward and inward, or moved upward and inward around the support shaft portion 45, basically like a seesaw composed of the upper end 41 and the lower end 42 supported by the support shaft portion 45.
  • the second end 32 of the operating member 3 is pivotally connected to the connection end 11b of the handle portion 11.
  • the abutting portion 34 of the operating member 3 is in contact with the front end 161 of the valve stem 16 and further pushing the valve stem 16 to move.
  • the outflow of water can be stopped or allowed by the movement of the valve stem 16 and the multi-stage adjustment of the amount of the outflow can also be achieved by the movement of the valve stem 16.
  • the user's index finger 6 is pressed on the upper end 41 of the switch part 4 naturally and ready to start the operation for outflow of water.
  • a locked state at the first stage outflow of water is revealed.
  • the user's index finger 6 naturally presses the upper end 41 of the switch part 4 so that the fastening portion 43 is pressed down to be abutting against the positioning portion 5.
  • Another finger 7 synchronously presses the operating member 3 to move toward the handle portion 11 and the abutting portion 34 in contact with the front end 161 of the valve stem 16 is guided to move inward.
  • the enlarged portion 163 of the valve stem 16 is moved a bit away from the edge of the opening of the channel 15 and there is a small opening formed between the chamber 14 and the water-outlet portion 2a.
  • Fig. 9 shows a locked state at the second stage outflow of the water.
  • the user's index finger 6 naturally presses the upper end 41 of the switch part 4, as the arrow indicates, and the fastening portion 43 is pressed down to be abutting against the positioning portion 5.
  • Another finger 7 synchronously presses the operating member 3 to move toward the handle portion 11 and the abutting portion 34 in contact with the front end 161 of the valve stem 16 is guided to move inward.
  • the enlarged portion 163 of the valve stem 16 is moved further away from the edge of the opening of the channel 15 and the opening formed between the chamber 14 and the water-outlet portion 2a is getting larger than before.
  • a locked state at the third stage outflow of the water is revealed.
  • the fastening portion 43 is pressed down to be abutting against the positioning portion 5.
  • Another finger 7 synchronously presses the operating member 3 to move toward the handle portion 11 and the abutting portion 34 in contact with the front end 161 of the valve stem 16 is guided to move inward.
  • the enlarged portion 163 of the valve stem 16 is moved further away from the edge of the opening of the channel 15 and the size of the opening formed between the chamber 14 and the water-outlet portion 2a is increased to the maximum limit.
  • FIG. 11 shows operation to stop the outflow of water while Fig. 12 shows that the water outflow is already closed.
  • the user's index finger 6 is pressed on the lower end 42 of the switch part 4.
  • the fastening portion 43 is moved upward to be away from the positioning portion 5 and the abutting portion 34 is moved outward synchronously so that the rear end 162 of the valve stem 16 is pushed by the spring 17 and the valve stem 16 is further moved outward.
  • the enlarged portion 163 of the valve stem 16 is mated to the edge of the opening of the channel 15 and the opening between the chamber 14 and the water-outlet portion 2a is closed. Thereby water stops flowing from the water-inlet portion 1a to the water-outlet portion 2a.
  • the hook portion 44 formed on the rear end of the fastening portion 43 is facing downward and at least one tooth portion is arranged at the first surface 5a of the positioning portion 5.
  • a hook portion 44 facing upward is formed on the rear end of the fastening portion 43 of the switch part 4.
  • the positioning portion 5 includes a first surface 5a and a second surface 5b while at least one tooth portion is arranged at the second surface 5b in turn and used for engagement with the hook portion 44 correspondingly.
  • the positioning portion 5 is disposed over the fastening portion 43 of the switch part 4.
  • FIG. 14 how the water outflow is stopped is revealed.
  • the user's index finger 6 presses the upper end 41 of the switch part 4 so that the upper end 41 of the switch part 4 is moved upward and inward.
  • the fastening portion 43 is pressed down so that the hook portion 44 is moved away from the tooth portion of the positioning portion 5.
  • the valve stem 16 is no more pressed and locked and the rear end 162 of the valve stem 16 is pushed by the spring 17.
  • the valve stem 16 is moved outward to push the abutting portion 34.
  • the operating member 3 is moved outward and now the enlarged portion 163 of the valve stem 16 is mated to the edge of the opening of the channel 15 correspondingly so that the opening between the chamber 14 and the water-outlet portion 2a is closed.
  • water from the water-inlet portion 1a stops flowing to the water-outlet portion 2a and no more water is sprayed out.
  • the present water spray gun provides multiple functions including the control of outflow and the adjustment of the amount of water sprayed out.
  • the above description is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form.
  • the invention has been disclosed as above in the preferred embodiments, they are not intended to limit the invention.
  • a person skilled in the relevant art will recognize that equivalent embodiment modified and varied as equivalent changes disclosed above can be used without parting from the scope of the technical solution of the present invention. All the simple modification, equivalent changes and modifications of the above embodiments according to the material contents of the invention shall be within the scope of the technical solution of the present invention.

Landscapes

  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
EP20178634.0A 2020-06-06 2020-06-06 Wasserspritzpistole Pending EP3919182A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20178634.0A EP3919182A1 (de) 2020-06-06 2020-06-06 Wasserspritzpistole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20178634.0A EP3919182A1 (de) 2020-06-06 2020-06-06 Wasserspritzpistole

Publications (1)

Publication Number Publication Date
EP3919182A1 true EP3919182A1 (de) 2021-12-08

Family

ID=71069707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20178634.0A Pending EP3919182A1 (de) 2020-06-06 2020-06-06 Wasserspritzpistole

Country Status (1)

Country Link
EP (1) EP3919182A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4249126A1 (de) * 2022-03-25 2023-09-27 Yuan Mei Corp. Steuervorrichtung für eine wasserspritzpistole

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120655U (de) * 1987-01-29 1988-08-04
JPS63176563U (de) * 1986-12-04 1988-11-16
EP1872657A1 (de) * 2005-03-04 2008-01-02 Central Agricola Bovi, S.L. Tragbare landwirtschaftliche spritzvorrichtung
US7434750B2 (en) 2004-02-13 2008-10-14 Claber S.P.A. Liquid dispensing pistol, in particular for gardening, provided with a dispensing position locking button
DE202013102654U1 (de) * 2013-06-19 2013-09-06 Yuan Pin Industrial Co., Ltd. Sprinkler (Spritzbrause)
KR20150127810A (ko) * 2011-05-12 2015-11-18 야마호고오교오가부시기가이샤 레버식 액체 분사 장치
EP3116657B1 (de) 2014-03-10 2018-08-22 Husqvarna AB Wasseranwendungsvorrichtung mit abbruchfunktion

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176563U (de) * 1986-12-04 1988-11-16
JPS63120655U (de) * 1987-01-29 1988-08-04
US7434750B2 (en) 2004-02-13 2008-10-14 Claber S.P.A. Liquid dispensing pistol, in particular for gardening, provided with a dispensing position locking button
EP1872657A1 (de) * 2005-03-04 2008-01-02 Central Agricola Bovi, S.L. Tragbare landwirtschaftliche spritzvorrichtung
KR20150127810A (ko) * 2011-05-12 2015-11-18 야마호고오교오가부시기가이샤 레버식 액체 분사 장치
DE202013102654U1 (de) * 2013-06-19 2013-09-06 Yuan Pin Industrial Co., Ltd. Sprinkler (Spritzbrause)
EP3116657B1 (de) 2014-03-10 2018-08-22 Husqvarna AB Wasseranwendungsvorrichtung mit abbruchfunktion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4249126A1 (de) * 2022-03-25 2023-09-27 Yuan Mei Corp. Steuervorrichtung für eine wasserspritzpistole

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