EP3271079A1 - Sprühpistole für bewässerungszwecke - Google Patents
Sprühpistole für bewässerungszweckeInfo
- Publication number
- EP3271079A1 EP3271079A1 EP15709701.5A EP15709701A EP3271079A1 EP 3271079 A1 EP3271079 A1 EP 3271079A1 EP 15709701 A EP15709701 A EP 15709701A EP 3271079 A1 EP3271079 A1 EP 3271079A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray gun
- handle
- fluid channel
- spray
- gun according
- 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.)
- Granted
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
-
- 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
-
- 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
- B05B12/0024—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position
-
- 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
-
- 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
Definitions
- the invention relates to a spray gun for irrigation purposes, comprising a gun body, a spray unit held thereon, a handle on the gun body positionally held handle for a user, an inlet, formed by the spray unit and with the inlet via a fluid passage fluidly connected outlet, a valve unit and an the handle arranged actuator which is in operative connection with the valve unit for selectively releasing the fluid channel.
- Such a spray gun is used, for example, for irrigating green areas.
- a supply line is connected or connectable, for example, a hose.
- the user releases the fluid channel, so that liquid can flow from the supply line to the spray unit and can be sprayed at the outlet.
- the liquid supply is interrupted.
- WO 2009/076186 A2 a generic spray gun is described.
- the gripping device of the spray gun can be pivoted relative to the gun body about a transverse axis.
- the spray gun may be transferred from an angled configuration in which the handle assembly and the gun body are angled relative to each other into a substantially elongated configuration in which the handle assembly is aligned with the gun body.
- intermediate configurations of different angling are possible. The user can select the most convenient, manageable configuration for them.
- Object of the present invention is to provide a spray gun of the type mentioned, which is easy to handle for a user.
- the grip device can assume at least two positions relative to the gun body.
- the actuating element In a first position, the actuating element is aligned with the spray gun in such a way that it can be finger-operated by the user in its intended use. With at least one and preferably two, three or four fingers can be acted on the actuating element, in particular with the / the second and / or third phalanx (ern).
- the user By pulling with the finger (s) on the actuator, the user can act on the valve unit.
- the user can transfer the grip device into the second position.
- the actuator In the second position, the actuator is handtellerbetätigbar in the intended use of the spray gun.
- the actuating element is handballenbetätigbar in the second position of the handle device.
- the actuating element in the first position of the grip device, is arranged on one side of the spray gun facing the spray unit and on the side of the spray gun remote from the spray unit in the second position of the grip device.
- the actuating element in the first position, can in particular be arranged on or in the direction of a front side of the spray gun, pointing away from the user.
- the actuating element in the second position, can be arranged on the spray gun, in particular on a rear side, facing the user.
- the actuating element engages with respect to a handle axis of the handle device diametrically opposite positions on the spray gun.
- the handle device has a longitudinal direction and can be converted by rotating about its longitudinal direction from the first position to the second position.
- the handle device can be transferred by a rotation through 180 ° or substantially 180 ° about its longitudinal direction from the first to the second position and vice versa.
- the gripping device has a longitudinal direction and can be transferred by turning around a direction transversely to the longitudinal direction (for example by 180 ° or substantially 180 °) from the first position to the second position and vice versa.
- the grip device is effectively turned “overhead” in order to transfer it from the first to the second position and vice versa.
- the gripping device can occupy exactly two positions relative to the spray gun, namely the first position and the second position.
- the gripping device can be transferred into at least one third position except in the first position and in the second position, the actuating element occupying a position on the spray gun in the third position, which position is different from the positions in FIG the first position and the second position.
- the spray gun proves to be even more versatile. The operator can transfer the gripping device into the at least one third position and thereby actuate the actuating element in a different manner.
- the gripping device is releasably connectable to the gun body and relative to this for transferring from the first position to the second position and vice versa in different relative positions can be brought.
- the user may release the handle assembly from the gun body and releasably connect the gun body in the respective first or second position.
- the gripping device is rotatably mounted on the gun body about a handle axis defined by the gripping device.
- the rotatable mounting facilitates a user's handling of the spray gun.
- the grip device may be rotatable about the handle axis for transferring from the first position to the second position and vice versa by 180 ° or substantially 180 °.
- the gripping device is rotatable in both directions of rotation about the handle axis. This facilitates the handling of the spray gun, especially taking into account the fact that it can be used as well as left-handed people. Intuitively, the user tends to turn the handle assembly by external rotation of the hand. In the present embodiment, in which rotation in both directions of rotation is possible, this can be done easily by both right and left-handers.
- the gun body comprises a housing and / or a fluid channel section of the fluid channel, which housing and / or which fluid channel section forms a rotary guide for a grip element of the grip device when rotating about the handle axis.
- the rotary guide facilitates a user handling of the spray gun, for example, by tilting the handle device relative to the gun body can be avoided.
- the fluid channel has a first fluid channel section encompassed by the grip device and a second fluid channel section encompassed by the pistol body, which are rotatably mounted to one another and sealed relative to one another by means of a sealing element.
- the sealing element can also be ensured that when turning the handle device relative to the gun body no liquid exiting the spray gun.
- the fluid channel sections are preferably engaged with each other, and the sealing element is conveniently an O-ring surrounding the engaging first or second fluid channel section.
- the first fluid channel section engages in the second fluid channel section.
- the O-ring is on the outside of the first and on the inside of the second fluid channel section.
- the spray gun comprises a blocking device for blocking the handle device against rotation relative to the gun body and / or against release of the gun body, which blocking device comprises at least a first blocking element on the handle device and at least one cooperating with this second blocking element on the gun body, and at least one trigger element for acting on the first biofuel ckierelement and / or on the second blocking element and canceling an engagement of the blocking elements with each other.
- the blocking elements can cooperate, whereby a rotation of the handle device and / or its release is blocked by the gun body.
- the gripping device remains in the first position or the second position (or the at least one third position, if present).
- the user can disengage the blocking elements and transfer them into a release position. This makes it possible to rotate the handle assembly relative to the gun body and / or to solve from this.
- the blocking device can be configured as a clamping device and / or as a latching device. Accordingly, the blocking elements can be clamping elements and / or latching elements.
- the blocking elements can be positively and / or non-positively engaged in the blocking position.
- the blocking elements Conveniently acts on the first and / or the second blocking element a restoring force when the blocking elements are disengaged and occupy the release position. Under the effect of the restoring force, the blocking elements are transferred without further action by the user in the blocking position.
- the at least one first blocking element and / or the at least one second blocking element can be automatically transferred from a release position in which the blocking elements are disengaged into a blocking position in which the blocking elements are engaged.
- the at least one first and / or the at least one second blocking element is material-elastic and / or form-elastic. Under deformation by the user, the blocking elements are transferred to the release position. Under reverse deformation, the blocking elements are automatically transferred to the blocking position.
- the at least one triggering element is adapted to an outer contour of a grip element of the grip device and if the blocking elements are arranged within the outer contour.
- this can be understood in particular to mean that the at least one triggering element forms at least part of the outer contour of the grip device, for example a section or a segment of a wall of the grip element.
- the at least one triggering element is not perceived by the user as disturbing, and inadvertent actuation of the triggering element can be largely avoided.
- the gripping device may preferably have an end facing the gun body or an end portion on which the at least one first blocking element and the at least one triggering element are arranged.
- the at least one triggering element can be achieved and operated by the user in a simple manner.
- the at least one triggering element is thumb-actuatable and / or indexable.
- the two triggering elements are arranged diametrically opposite one another with respect to a handle axis of the gripping device on the gripping device or on the gun body.
- the trigger elements are provided for a thumb and index finger operation.
- the opposing tripping elements can be reached and operated by right-handers and left-handers alike.
- the at least one first blocking element and / or the at least one triggering element element are formed integrally with a handle element of the handle device, in particular elastically deformable portions of the handle element. Under deformation of the handle element on at least one triggering element and / or at least one first blocking element, the blocking elements can be transferred to the release position. Under elastic reversion, the blocking elements are transferred to the blocking position.
- the blocking elements preferably comprise a projection arranged on the gripping device and at least one stop arranged on the gun body which cooperates with the projection against rotation of the gripping device relative to the gun body and / or against detachment of the gripping device from the gun body.
- at least one stop on the gun body is provided, against which the projection in the blocking position, whereby rotation of the handle device is blocked relative to the gun body.
- the grip device comprises the valve unit or if it is arranged in the grip device.
- valve unit is rotatably connected to the handle member. Upon rotation of the handle device relative to the gun body thereby the actuator and the valve unit are rotated.
- the actuating mechanism for the valve unit can be kept structurally simple.
- the gripping device comprises a gripping element forming a receiving space and a fluid channel section of the fluid channel arranged in the receiving space or formed by the receiving space.
- the fluid channel section is, in particular, the abovementioned first fluid channel section.
- the fluid channel section preferably defines an axis of the handle assembly (handle axis) about which it is rotatable relative to the gun body. By rotating the gripping device, the fluid channel section is rotated about its own axis. This facilitates, for example, the coupling of the fluid channel section to a further fluid channel section arranged on or encompassed by the gun body, as well as the seal between the two fluid channel sections.
- the fluid channel section can be formed separately from the grip element and held in a non-positive and / or form-fitting manner.
- the fluid channel section is used for example in the above-mentioned receiving space and held by frictional connection and / or positive engagement on the handle element.
- the fluid channel section can be clamped and / or locked with the grip element.
- the fluid channel portion is rotatably connected to the handle member.
- the valve unit is arranged on the fluid channel section, which in turn is preferably connected in a rotationally fixed manner to the grip element.
- the valve unit may preferably be held on the fluid channel section and preferably has a valve body arranged in the fluid channel section, preferably axially displaceable, and a coupling member coupling the valve body with the actuating element.
- the valve body is, for example, a valve pin displaceably held in the fluid channel section.
- a valve seat of the valve unit is formed, for example, by a taper of the fluid passage portion against which the valve body sealingly abuts in a closed position and from which the valve body is raised in an open position.
- the coupling member may, for example, pass through a wall of the fluid channel section and couple with the actuating element outside the fluid channel section. It is advantageous if the fluid channel section at the inlet comprises or forms a connection element of a plug-in coupling for the detachable connection of a fluid supply line.
- the plug-in coupling is preferably integrally formed on the fluid channel section.
- the actuating element is an actuating lever which is pivotably mounted on the grip device about a pivot axis or comprises such an actuating lever.
- the actuating element is preferably pivotably mounted on a fluid channel section of the fluid channel encompassed by the grip device.
- at least one bearing member for the actuator is integrally formed integrally with the fluid channel portion.
- the above-mentioned actuating lever is preferably pivotally mounted on an end portion of the handle device facing the gun body. In practice it turns out that such a pivotable mounting of the operating lever is perceived by the user as more convenient for the operation of the spray gun.
- the gripping device in a slip-on direction which is preferably aligned in the longitudinal direction of the gripping device, can be plugged onto the gun body and secured to it by means of a holding member.
- the at least partially preassembled handle device can be plugged onto the gun body and secured by means of the retaining member to this.
- the holding member is configured for example as a retaining clip which can be pushed onto the gun body and forms an effective stop in the opposite direction of the plug-in direction for the handle device.
- the gun body preferably comprises or forms a flange-like abutment region for the gripping device.
- the abutment portion may, when the handle assembly is rotatable relative to the gun body, further provide the function of a guide member of a rotary guide of the gun body for the handle assembly.
- the contact region is formed by a housing of the gun body and / or by a fluid channel section of the fluid channel arranged on the gun body, on which housing or on which fluid channel section a grip element of the grip device rests.
- the spray unit can be brought into different relative positions relative to the gun body, in each of which different spray patterns with nozzles encompassed by the spray unit can be provided.
- a spot jet nozzle and / or a mist nozzle and / or a flat jet nozzle and / or a rain shower a nozzle arrangement with a plurality of individual jets, are provided.
- the spray unit is preferably rotatably supported on the gun body, and the spray patterns are conveniently changeable by rotation of the spray unit relative to the gun body.
- Figure 1 a side view of a spray gun according to the invention
- Handle device occupies a first position
- Figure 2 the spray gun of Figure 1, wherein the handle means a second
- Figure 3 the spray gun of Figure 1 (partially shown), the handle device is shown in a longitudinal sectional view;
- FIG. 4 is an exploded perspective view of the spray gun of FIG. 1;
- Figure 5 an enlarged partial view of Figure 4
- FIG. 6 a sectional view along the line 6-6 in FIG. 3.
- the drawing shows an advantageous embodiment of a spray gun according to the invention, which is designated by the reference numeral 10.
- the spray gun 10 is used for irrigation, especially in the garden area. It comprises a gun body 12, a spray unit 14 and a handle device 18.
- the gun body 12 has a first portion 20 and a second portion 22 defining axes 21 and 23, respectively. Sections 20 and 22 are angled with each other, with axes 21 and 23 intersecting at an angle of, for example, approximately 120 °.
- the spray unit 14 is rotatably supported about the axis 23 at an end of the section 22 facing away from the section 20.
- the spray unit 16 forms an outlet 24 of the spray gun 10, on which liquid can be sprayed.
- the gripping device 18 is arranged on the side facing away from the portion 22 of the section 20 and held in particular in the manner explained below and rotatably supported. At the end opposite the section 20, the gripping device 18 forms an inlet 26 of the spray gun 10.
- the inlet 26 is in fluid communication with the outlet 24 via a fluid channel 28 (eg, FIG.
- a supply line is detachably connected, for example, a flexible hose.
- the fluid channel 28 has a first fluid channel section 32 and a second fluid channel section 34.
- the first fluid channel section 32 is encompassed by the grip device 18 and the second fluid channel section 34 is encompassed by the gun body 12.
- the fluid channel sections 32, 34 are flow-connected to one another.
- the fluid channel section 34 is flow-connected to the spray unit 14 via a further fluid channel section, not shown in the drawing, inside the gun body 12.
- the gun body 12 comprises a housing 36, which has a housing wall 38.
- the housing wall 38 is preferably closed on the side of the section 20 facing the gripping device 18 (FIG. 6).
- the housing wall 38 is provided on the section 20 in cross section with rounding, z. B. circular or with a shape of a straight oval or a mixture between a circular shape and a rectangular shape, as shown in Figure 6.
- B From the housing wall 38 are radially inwardly z.
- four projections 40 are provided, which are each grouped in pairs.
- a first pair of protrusions 40 are disposed diametrically opposite a second pair of protrusions 40 with respect to the axis 21 on the housing wall 38.
- the two projections 40 of each pair of projections 40 are separated from each other in the circumferential direction of the axis 21 by a gap 42.
- the projections 40 are arranged on a first (left) transverse side 44 and a second (right) transverse side 46 of the spray gun 10. This orientation or position indication relates to a proper use of the spray gun 10.
- the spray gun 10 is gripped by a user from a back 48 facing the user.
- the spray unit 14 is disposed on a front side 50 facing away from the rear side 48, distally with respect to the user.
- the second fluid channel section 34 is held on the section 20 of the gun body 12 in the housing 36.
- the fluid channel section 34 includes a substantially cylindrical tube 52 defining the axis 21.
- an annular projection 54 is formed at the pipe section 52.
- the projection 54 forms a flange-like abutment region 56 for the gripping device 18 (FIG. 6).
- Another abutment region 58 of the gun body 12 for the gripping device 18 is formed by the housing wall 38 on its front side facing the gripping device 18.
- connecting pieces 60 and 62 Portions of the housing wall 38 on the transverse side 44 and the transverse side 46 are connected to each other inside the housing 36 by connecting pieces 60 and 62.
- the connecting pieces 60, 62 are formed substantially arcuate and extend in the circumferential direction of the axis 21.
- the connecting pieces 60, 62 are accordingly configured in sections arcuately, with the same radius with respect to the axis 21st
- a receptacle 64 for a holding member 66 of the spray gun 10 is further formed on the pipe section 52.
- the receptacle 64 has the shape of an annular groove 65.
- the annular groove 65 is axially spaced from the annular projection 54 and the grip device 18 further facing than the projection 54th
- the holding member 66 is configured here as a retaining clip 67.
- the retaining clip 67 has an approximately horseshoe-shaped shape and is elastically deformable. Under widening, the retaining clip 67 can rest on the annular groove 65 on the tubular piece 52. be plugged or removed from this. This takes place in a plane transverse to the axis 21.
- the gripping device 18 comprises a gripping element 70, the already mentioned first fluid channel section 32, an actuating element 72 and a valve unit 74.
- the grip element 70 is approximately sleeve-shaped and comprises a wall 76.
- the wall 76 has an opening 78 on the side of the grip element 70 facing the section 20.
- the wall 76 has an opening 80.
- Another opening 82 is formed in the wall 76.
- the opening 82 is a slot extending along the handle member 70 between end portions 84 and 86 of the handle assembly 18. The end portions 84 and 86 face the portion 20.
- a receiving space 88 for the fluid channel portion 32 is formed.
- the fluid channel portion 32 is formed separately from the handle member 70 and inserted into this.
- the fluid channel section 32 is held on the grip element 70 on the inside by force and / or positive fit.
- the fluid channel section 32 comprises a tube piece 90 on which projections 92 are arranged on the outside, preferably being formed on the tube piece 90.
- the projections 92 of each pair are diametrically opposite each other with respect to the axis 94.
- Figure 2 shows two axially spaced projections 92.
- the projections 92 are configured, for example, a wing-shaped.
- the projections 92 are assigned to the inside of the wall 76 arranged receptacles. The shots are, this is not shown in the drawing, for example, slit-shaped.
- the projections 92 When inserting the fluid channel section 32 into the receiving space 88, the projections 92 can be positively inserted into the receptacles and thereby the fluid channel section 32 can be connected to the grip element 70.
- a rotationally fixed connection between the fluid channel section 34 and the grip element 70 is provided with respect to rotation about the axis 94.
- the tube piece 90 is of substantially cylindrical shape and dimensioned to engage the tube piece 52 of the second fluid channel portion 34 (FIGS. 3 and 6). In this way, fluid communication is formed from the inlet 26 to the gun body 12.
- a sealing member 96 is provided to seal between the pipe sections 52 and 90.
- the sealing element 96 is designed as an O-ring 98.
- the O-ring 98 is held in an annular groove formed on the pipe piece 90 and surrounds this on the outside. At the pipe section 52, the O-ring 98 is located on the inside.
- the actuating element 72 is embodied here as an actuating lever 100.
- the actuating lever 100 is pivotally mounted on the gripping device 18 about a pivot axis 102 oriented transversely to the axis 94.
- the pivotable mounting of the actuating lever 100 takes place at the end section 84 by means of bearing elements 104.
- the bearing elements 104 define the pivot axis 102 and are preferably formed on the pipe section 90.
- the valve unit 74 is also arranged in the receiving space 88. It comprises a valve body 106, configured in the present case as a valve pin 108.
- the valve pin 108 is axially displaceable relative to the axis 94 in the tube piece 90. With a sealing portion 110, the valve pin 108 can rest in a closed position sealingly against a valve seat 112 of the valve unit 74.
- the valve seat 112 is formed by a taper of the pipe section 90 ( Figure 3).
- the valve unit 74 further comprises a coupling member 114.
- the coupling member 114 passes through a wall of the pipe section 90 and is aligned in the direction of the actuating lever 100.
- An elastic element 116 in the form of a compression spring 118 acts on the coupling member 114 in the direction of the actuating lever 100.
- a locking device 120 is further provided, with which the actuating lever 100 can be held in the actuated position.
- the locking device 120 includes, for example, a circulation lock 122.
- the grip device 18 further comprises a cover 124 for closing the opening 80.
- the cover 124 is formed, for example, on the tube piece 90.
- the wall 76 at the end section 84 is adapted to the shape of the housing wall 38 at the end.
- An outer edge 126 of the wall 76 can be applied in alignment with the contact area 58.
- the outer edge 126 is interrupted at the transverse sides 44 and 46 (at reference numerals 128 and 130 in Figure 5) in sections.
- the wall 76 of the handle element 70 on segments 132.
- the segments 132 are diametrically opposed to each other with respect to the axis 94.
- the wall 76 is partially deformable and in particular elastically deformable. By applying force radially inward, the segments 132 can be radially engaged. Under elastic deformation, the segments 132 can return radially outward to the starting position.
- the segments 132 are otherwise adapted to the outer contour of the grip element 70 and do not protrude beyond its outer contour.
- the segments 132 are coupled to frontal projections 134 on the grip element 70.
- the preferably rib-shaped projections 134 extend parallel to the axis 94 on the end face of the grip element 70 in the direction of the housing 36.
- the segments 132 and the projections 134 are formed integrally with the grip element 70.
- the projections 134 are dimensioned such that they can engage positively in the intermediate spaces 42 between the projections 40.
- Each gap 42 is assigned a projection 134 (FIG. 6).
- a projection 40 is arranged on both sides of each projection 134.
- the opening 78 is bordered by an edge 136.
- the edge 136 is present annular.
- the edge 136 is dimensioned so that the pipe section 52 can pass through the opening 78 with some play and can engage in the receiving space 88, in which the pipe section 52, the pipe section 90 overlaps ( Figures 3 and 6).
- the edge 136 can rest against the abutment region 56 of the section 20. Radially on the outside, the edge 136 is surrounded by axially parallel projections 138. There are two diametrically opposed projections 138 are provided. The projections 138 extend endwise in the direction of the housing 36 and are arcuate with the same radius with respect to the axis 94 designed. The projections 138 may rest radially on the inside of the connecting pieces 60, 62 of the section 20.
- the pipe section 90 can be inserted into the receiving space 88 and secured therein. Subsequently, the grip element 70 can be plugged with the tube piece 90 axially in a Aufsteckcardi 140 on the gun body 12.
- the axis 94 which is a handle axis of the gripping device 18, and the axis 21 are aligned coaxially with one another.
- the tube piece 52 engages in the receiving space 88 and oversees the tube piece 90.
- the tube pieces 52, 90 are fluid-tightly coupled to each other and rotatably supported each other.
- the grip element 70 abuts against the abutment regions 56 and 58 via the edge 136 and over the outer edge 126 in a flange-like manner.
- the projections 138 abut against the connecting pieces 60, 62.
- the projections 134 engage in a form-fitting manner in the intermediate spaces 42 (FIG. 6).
- the retaining clip 67 can be pushed through the opening 82 onto the pipe section 52.
- a projection 54 facing side of the retaining clip 67 forms a stop 142, which is effective against the Aufsteckides 140.
- the grip element 70 is secured to the gun body 12.
- the operating lever 100 can be inserted into the opening 82 and connected to the bearing elements 104.
- the particular advantage of the spray gun 10 according to the invention is that the grip device 18 has two positions relative to the gun body 12. can take place, in which the position of the actuating lever 100 differs from the spray gun 10 from each other. This allows a user a finger actuation of the actuating lever 100 on the one hand ( Figure 1) or a hand and especially palm operation of the operating lever 100 on the other hand ( Figure 2).
- the handle means 18 can be transferred by rotation relative to the gun body 12 from the first position to the second position and vice versa. This will be discussed below.
- the gripping device 18 first assumes the first position shown in FIG. 1 with respect to the gun body 12.
- the actuating lever 100 is disposed distally with respect to the user on the handle device 18 and arranged on a side facing the spray unit 14 side of the spray gun 10.
- the user can grasp the spray gun 10 from the back 48.
- the fingers of the user can grip around the grip element 70, and the activation lever 100 can be pivoted and operated with the fingers. The operation has already been discussed above. This defines a first position of the grip device 18.
- the spray gun 10 comprises a blocking device 144, with which the handle device 18 is secured in the first position against rotation about the handle axis 94.
- the blocking device 144 comprises blocking elements 146, which in the present case are configured by the projections 134 on the grip element 70.
- the blocking elements 146 may cooperate with blocking elements 148 on the gun body 12 and in particular the housing 36.
- the blocking elements 148 are configured by the projections 40 of the housing wall 38.
- the projections 40 form stops for the projections 134, which prevent rotation of the handle device 18 about the handle axis 94 when the projections 134 engage in the intermediate spaces 42 (FIG. 6). If the blocking elements 146, 148 engage with one another, this defines a blocking position of the blocking device 144.
- the blocking device 144 can be transferred to a release position.
- the segments 132 can be acted upon as explained with a radially inwardly directed force.
- the segments 132 define for this reason triggering elements 150 of the blocking device 144.
- the triggering elements 150 and the projections 134 are disengaged radially inwardly and out of engagement with the projections 40.
- the projections 134 no longer engage in the intermediate spaces 42, this is not shown in the drawing. If the blocking elements 146, 148 enter the release position, the user can turn the grip device 18 about the handle axis 94.
- the fluid channel section 34 forms a rotary guide for the gripping device 18 via the tube piece 52, in particular its tube piece 90 and its wall 76 at the edge 136. Further, the connecting pieces 60, 62 form a rotary guide for the projections 138. The rotation of the gripping device 18 is further guided by the flange-like concerns of the handle member 70 at the abutment areas 56 and 58th
- the triggering elements 150 are arranged at the end portions 84 facing the gun body 12. The triggering elements 150 can thereby be easily reached and operated by the user.
- triggering elements 150 are provided.
- the arrangement of the trigger elements 150 diametrically opposite to the handle member 70 allows easy operation for both right-handed and left-handed.
- the handling of the spray gun 10 for right-handed and left-handed is also improved in that the handle device 18 can be rotated in both directions of rotation about the handle axis 94 to them from the first to the second Transfer position and vice versa when the blocking device 144 assumes the release position.
- the gripping device 18 is rotated by 180 ° or substantially 180 ° until it assumes the configuration shown in Figure 2 relative to the gun body 12. If the required angle of rotation is reached, the projections 134 automatically snap into the intermediate spaces 42 between the projections 40 due to the elasticity of the grip element 70. The blocking device 144 is thereby automatically transferred from the release position back to the blocking position. The projections 40 act again as stops, which prevent further rotation of the gripping device 18.
- the actuating lever 100 faces the user and the spray unit 14 facing away from the spray gun 10 is arranged.
- the user can grasp the spray gun 10 from the back 48 and operate the operating lever 100 with the palm and in particular the palm.
- the triggering elements 150 can again be subjected to force and the blocking device 144 can be transferred to the release position. Subsequently, the grip device 18 can be rotated until the blocking device 144 locks again in the blocking position.
- the user can operate the operating lever 100 with his fingers, depending on his preference, in particular with the second and / or third phalanges, or with the palm, in particular the palm.
- Separate spray guns or gripping devices with fingering on the one hand and Handellerbetutzrien on the other hand need not be provided. Even a longer fatigue-free work is possible.
- the grip device 18 between the first position and the second position can be rotated.
- the spray unit 14 is configured so that a plurality of different spray patterns can be provided. To change between the spray patterns, the spray unit 14 can be rotated about the axis 23 relative to the gun body 12. For example, a spot jet nozzle 152, a mist nozzle 154, a fan jet nozzle 156, and a rain shower 158 are provided to produce four different spray patterns.
Landscapes
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2015/055411 WO2016146157A1 (de) | 2015-03-16 | 2015-03-16 | Sprühpistole für bewässerungszwecke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3271079A1 true EP3271079A1 (de) | 2018-01-24 |
| EP3271079B1 EP3271079B1 (de) | 2019-08-21 |
Family
ID=52672271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15709701.5A Active EP3271079B1 (de) | 2015-03-16 | 2015-03-16 | Sprühpistole für bewässerungszwecke |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3271079B1 (de) |
| WO (1) | WO2016146157A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018109980A1 (de) | 2018-04-25 | 2019-10-31 | Alfred Kärcher SE & Co. KG | Sprühvorrichtung |
| DE102023127258A1 (de) * | 2023-10-06 | 2025-04-10 | Alfred Kärcher SE & Co. KG | Vorrichtung zum umhüllen eines flüssigkeitsstrahls mit einer luftströmung und flüssigkeitsausgabeeinrichtung mit einer solchen vorrichtung |
| WO2025218927A1 (en) | 2024-04-19 | 2025-10-23 | Husqvarna Ab | A spray gun with automatic locking mechanism and method for manufacturing a spray gun |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2647815C2 (de) * | 1976-10-22 | 1981-12-24 | Frank'sche Eisenwerke Ag, 6340 Dillenburg | Spritzpistole |
| US6257505B1 (en) * | 2000-12-13 | 2001-07-10 | King-Yuan Wang | Sprinkling head structure of sprinkling gun |
| US8313047B2 (en) * | 2007-12-10 | 2012-11-20 | Micheli Paul R | Spray gun having adjustable handle |
| EP2274107B1 (de) * | 2008-05-14 | 2014-09-03 | Robatech AG | Handauftraggerät |
-
2015
- 2015-03-16 WO PCT/EP2015/055411 patent/WO2016146157A1/de not_active Ceased
- 2015-03-16 EP EP15709701.5A patent/EP3271079B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3271079B1 (de) | 2019-08-21 |
| WO2016146157A1 (de) | 2016-09-22 |
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