HUE028049T2 - Spray head for spray can - Google Patents

Description

Spray hsad for spray cari Description

Raki of ins invention

The invention relates to a spray device tor a pressure vessel, in particular lor a spray can. con-prising a base element and a taming head which can tarn between a locking position of an acinfedr add a release position of the actuator

Prior art

Spray devices for spray cans are known from the prior art.

Furfeeneore, a spray head for a spray can is known from SP Ö 818 401 B1 in which a safety cap secures the spray head against inadvertent .spraying. The safety cap is disposed rotatably in a dome shape above the upper face of the spray can and in the secured state extends ever the dome-shaped spray heed. !n this case two friction surfaces in contact wife: one anomer are produced % the seme-shaped safety cap: end the dome-shaped spray heed, Tire turning of fre safety cap totaive to id spray head is made difficult by penetrating iparddes of dirt or moisture feezing; in fee winter, isreover, stacking fife feerage# spray cans with a dome-shaped spray head: is cosliy. A spray head; fer spray cans is known fernUS 2007/238474 Λ1, tn which a cap disposed on; a hasd istáin dsbe-shapsd:

In this ..connection an actuating position; of a spray valve Is prided only dt ah exact turned position between: fee: base and the: #| due to engagement of a cuboid shfepg sieiSent ;oi fee cap tv a groove: snap®: cut into fee: base, feomover, stop feces: of fee: cap and of the head are directed outwards and therefore are not protected against environments! inferences, such as dust: tee, etc.

Against this «ground fee object of fee invsmdon is to pmvide a spray device ior a spray can which is made apoUhe smallest possible number of parts and is both simple and cost-effective to manufacture and also simple to fit and to operate. Final y in this way a feaekahie sbfetirm fa? the spray device of fee spray pan Mi he created.

This object is achieved by s spray device with fee features of claim I, Advantageous embhdiihients and modicailons of the: invention are descrlbedhn fee subordinate claims.

Far this purpose according to fee invention a spray device ie provided frfe a pressure vessel In particular for a spray can, csmbdsing a case element, which can te disposed with its underside feed m a upper pressure vessel: potion, wherein on fee upper face: ef the base element there are termed a locking surface, a risese surface: and at least one end step, and a «g itasd, wish is disposed: so as id thm on the upper face of m base element,; wheidih: fee fernfeg head has an actuator and a spray no,Hie add can turn between a locking position of fee actuator and a: release position of fee actuator, in this esse the locking surface, fee release surface end and stops can comprise three circular segment sections and together describe a circle. tops case each circular segment section esd: cover iw, the spray acÄ can be Constfocfod integrally with the turning heal Fwthennore the spray no?.?.Se can extend to a predominantly axial dfrecfibtr 'Ifee two-garf spray device pan be formed to 3 plastic injection moulding: process. Since the bsee element: and íhö turning head have few surfaces: in contact with one another, only limited forces amírégólrad for rotation. Moreover, tbs turning of the safoiy cap relative fo the spray head can hardly be hampered by pSnefrdlagpaistes of dirt or inoisfom; freezing In; foe winter. Furthermore, the stacking for storage of foe spray cane with this tuning head can be simplified. Moreover, foe actuator can .bays: a plate of targe surface «»if, saMtit can also: ibâ actuated with gloves, tor example winter ftevss. tbs base element and fee forcing head csn ba constructed so that they can be slashed Is standard spray cans, for example according fo European standard EN 14847. Thus the spray cas is universally usable and is suitable for a wise range of applications.

The spray device disposed m # spray can may be introduced info à recess formed m foe underneath face of a spray can and acts for centring and support during stacking This is possible in particular since foe spray Reside only projects slightly ever the contour of the fording bead, lie nsrpte paeraliy snly projects over foe contour ef the turntog head by a few mililfoetros, preferably one sehtimetfl

Aovstotapfofefy foe base element has a locking surface which Is formed substantially in the shape of a nog segment d? a fan and which In the locking position co-operates for locking with foe actuator disposed on the turning head. In fols way an insdyeriem actuation for ie actuator be p^eafed in a simple sad rfost-sdaolfee manner are: being;. Moreover, simple handling is also provided. A locking estât, element and a release osfofretemsnt are formed on an; outer surface Pie base element;and a catch is formed on ameuter surface of the turning head, whdrafo in the locking position tb® catch can he draught info engagement with the locking catch: element and; fo foe release position it can be brought info eng ageraeof with foe release: baton element.: in this way again foe handling: eendiorrs and operaiig errors are raduoed;, rurthsrnio% foe spray device can also be operated very simply with one hand. A first end stop and a second and stop which co-operate with a first taring head stop and a second turning bead stop am edvpnfageoesiy formed on a base projection. Ip: this case tbs fost turning head stop and the second turning head stop can be formed en an; inner fads ef' fhP forntog head.: This in turn: simplifies: foe fodbiing; under difficult weather Méditions ana prsvenis an operaling error.

Advantageously baspafomprif niempisg: hooks and/or bese elemen;t::pit|eetions, which sen be brought info latching engagement with a first: edge formed oft fea upper pressure vessel portion for axial filing: of fo® base element, are formed an: foe bas«: eternani. As a result foe: base element fo fixed in foe axial direction fo foe spray can and is: relatively difficult to tu rn relative tc :fo| spray cm m®· for example O rings or similar components which increase fee friction can bo disposed between the spray can and relative to the spray can. fiber positively angagfog arrangements can be provided between the base element and fee spray can. raiding elements ara advanfopfojsfy formed on toe upper face of fee base elemen! and are fo engagement so that they car; turn freely: but are : fixed axially wife a fide proie formed on fee ttmeing head As a rasait fee fording dead can fern slightly relative & the fesse etemen!, wherein the turning bead is fixed m the spray ean te fie exist iredten hy me ses of the fesse element.

When tee actuator is not actuated the spray nozzle is advantageously inclined relative to the longitudinal axial direction of the spray can: by an angle a which: eotresponds ta fee sagte i bestweea the aeinsfed: actuator end the nfen^ctaafed ectuatof: in this way the orientation of the spray nozzle when: hie senator is actuated corresponds to the longitudinal axis: direction of the spray can end simplifies accurate spraying.

Gripping elements: am advantageously termed: on the outer ssrfsoe a; the »fing: head, for example in the term of paratiei longitudinal: grooves, webs or Iri the: form of a corrugation or of concave cr mm bumps. Thus the taming: of the turning head is again simplified relative to the hase: élérneht or the spray can. Sven in the msM. severe weather conditions, which ter example require the: wearing bfprotsoiive gloves, a simple and reliable operation of the spray can is provided. A spray guard: advantageously extends around the spray nessle. This spray guard can be^hstw^ai^ih^ty in the form of a pyiinaricalicasing on the upper face of the turnip lead, in this way uninfenlenai spraying er arhaind pperaing the: spray head can: be reduced:, in This case the spray guard can extend in the axial direction;,; concentrically -with respect to the spray nozzle. In fois case the spray guard car! extend: somewhat beyond the spray nozzle,

An installation guide projecting into the Interior of the turning head and a contpiemenfary guide groove on the base element are eítvántageoiisly provided:, in this way the position: of the turning head: relative to tee case element debug the instsliafion is unambiguously fixed hhdrihcorred installation, for example jamming or the breaking of plastic lop, is presented. The insÄfiorr time i$: simultaneously reduced.

The locking surface, the lacking catch element and the release catch element are formed in one piece and integrally will the base element. As a result the production and irtstaiiation costs can be lowered

The actuator, the spray guard and the spray nozzle are advantageously aglcty connected: to one another. The actuator, the spray guard end the spray nozzle ere can be constructed In one piece and integrally with the turning head. Thus the production and installation costs can again be lowered.

The actuator is: advantageously connected pivbiably by means of a fűm bige to the turning head. This enables a compact and simple construction of the spray device as wail as simple: spratfen: and avoids Spraying of tbe user.

The base element can advantageously be fitted end: jpicheb: on a standard way «as* for example accoring to Wá :14847, end: the turning bead can be fitted and laichen on the base element. Thus the spray device Cab fee used universally, can be installed very quickly and simply and at the same time: can: fee produced: cost-effectively.

The spray device according to the invention is #rsnt8geeusly disposed cn a spray can Thus ali tes said advantages can ils·· linked when ihn spray device with the spray can Is actuated. : grief description of the drawings toe invention ·$ expiâmes wen serenen to arrgmocaimern mgerner wan fegappamMí ariawiugs:. rn: me orawsegs:

Figure 1 snows a perspective partial view of a spray can;;

Figur® 2 snows » perspective: émiïofà abové Ôfa basé âém according to à| referred: áiMtmébt of tos present In verion; Figure 3 snows a perspective view hem below of the base element according to a preferred embodiment of toe present invention;

Figure 4 shows a perspective: view from above gf g tomla g hesdiaccordihg to a prefegd grnhsdpenf of tog presgri:invsn|gn;: Figure s shows a: perspective view from beiowpf togtomtog beast according to a; jpreflps# gmbebimpt ot tog f resent:Invention;: Figure β shows a perspective view of a spray devise to a lacking position aeperdieg: to a preferred embodiment of the present invention;

Figure ? shows a perspective view of a spray device to a reiease position according to a preferred empedimerd of the present invention;

Figure 8 shews a feOffer perspective vtow frdrn above efi fee base element according to a preferred embodiment of toe present invention;:

Figera 9 shows a fermer pameeefera view lorn above m toe base element according to a preferred embodiment of toe present invention, and

Figure if shdwse schematic side view of s second embodiment rá a spray can with spray device according to the present invention: in the dsssfiefe below; ^cfeß^-jietÄpÄ'te-^'^tog plane and/or to toe rdfationaily symmetrical axis l of a spray can as illustrated in Figure 1

Detailed deserpdh of a preferred, stnbcdiment

Figures 2 to δ invention,

Tile spray device 5 tor a spray can 1 has a base element 10 and a turning head 20. In this cess: the base element 10 is disposed fixedly wife Its underside on an upper spray can sä!

For this purpose an senator circumferential first edge 2a is disposed on the spray can 1 in an upper spray can section 2 and an annular circumferential second edge 2b is disposed at the end of toe upper spray can section 2. The first edge 2a has a smaller diameter than the second: edge 2b and si axially offset with fespebf thereto.

The underside of the base element 10 has a áeumfetobtal inwardly directed case element 18 and arcuate base element clamping boohs 12: disposed on the edge of a central hole. The base element clamping hooks 12 have a wedge-shaped profile and exfend! ® a downward direction from fee centra! hole, in addition, Inner base element ribs 11 are formed adjacent to toe circumferential inwardiy directed base element profile 18.

The base element: 1D is disposed m as to be clamped by with its underside on the upper spray can section 1toy the Inwardly directedbsse element prsie 18 and tog tocuate base giemenf clamping hook 12. to this case toe toner base element ribs I f delimit the distance between toe base element: ID and the upper spray:sen section 2. A tósng:surface inam me snaps pf en snnurar segmenter a fanís dispos«:« pn an; osvmo mvmvw**' face of foe base element 1Θ. iAdjecenií to fois is constructed a release surface 1% Is te* form of a bipolar segment A base projection 17 with a 1rs! end step 17a tettesd m *Ä of the ends arte a second end step 17b termőd on each of tee ends Is oôfteteicted bteween tee looking surface 4§ä and: tee miease surface leb. Tde tsf end step 17a and tea second: end stop 17b can also be edmiructed ter example as pins or bolls, in this preferred: embodiment $18 looking surface 1¾ the release sarfeee 1 Steams' tee base projecilors 17 Imeach case describe arç appter tens together tesyform: a circle. Furthermore, ® tee wedgemhaped base projection 17 oá the deter tees an axially attending guide efeove 17o Is osnsteuteed senlraily: ip tea term of a groove on fee noter fece.

In addition., a basa element edge 13 with hiding elements 13a formed outwardly in a wedge shape is disposed in the region of tee sirnmnterence. Finally, a teeing catch iernsnf i4s: and a release catch etemsnt 15s are tenned on an Mer surface of tee base Menteti 10. These Ming elements 14a, iSa can each ham two webs aligned parolié! to one another and extending m tee: fengitedinaf exist direction L of ihe base element 10. in this case tee lucking catch slemenf Ida designates a locking position 14 and the release eaten element llsrfesignstes a release position 15 of an actuator 23 ipreyenfing tee unintenkonai forning of teg terofef dead M info tfte release: position 15: or tee locking position 14.. The tetteteg: surface 1¾¾ tee rétessé surface 16b, tee base iprojebtten 17, tee Imt end stop 17a, tee second end stop :17b, tee locking csfch element 14a sud me release catch element Ibsem formed: le one piece and integrate? fo the base element: % in; thsf referred embgdlmsni tea iat end stop 17s and tee second end stop I7teare constructed as surfaces extending radia!! en tee two ends of tee base projection 11, in another embodiment tee two surfaces can be emitted. Fmiharmore, the base element edge 13 constructedlift foe form of a bead can bo omitted. A spray guard 27 in tee form of a cylindrical casing is disposed around tee spray nozzie 25 and extends in the foagifodinal axial direction L on the upper face of foe turning: head 20. The spray guard 2? can extend over the same lengte as tee spray nozzle 2a :Shd fees tea spray nozzle 25 by means of two stmts, Turfoermere, the: spray gusto 27 has ribs formed: in fos loagitudmai axial Érection l on its outer surface. in tersway the strength is increased. Alternatively tire spray pard 27 ean Pe constructed in semi' cyiirtefjoa! form or ftlhsyefoeiyas: a type of fin.

The: ácteáfor 25 Is cormocted te the outer surface of iim spray guard 27 and pan pivot ahoy® that: surface by means m a film hinge 22 on the fuming head: 2S, In this case Figure 7 shews the actuate? 23’ in th®: actuating: positlprr represented by a: broken line. A catch 24, directed downwards to the steal diredion in tire form of an anew and:: project teg beyond the underside Of tee iummg head, extends substantiallycentrally on tee actuator 23 and: in foe fo?jgjtg#ai axial direction toon the opfor surfeoe of too turning head 20. In addition, gripping elements 26 for simpler forning of Ihe tourne head 20 are also constructed on the outer surface of tee forning: head: 20 and extend substantialiy in tea longitudinal axial direction L. The actuator 23, tee catch 24 and tee spray nozzle 25 are constructed: in onefoeee and integraily ;n the turning head 20

On; foe underside of the turning: head 25 an inwardly ditoCted and éxpándábte pidé proie 23 is eonstefeted: in slmular fours on thersdge of the fuming head 25. Due to the inwardly ditoctad circular guide íprofiie 28 tee fuming: head 25 is in positive engagement: wlte the bass dement edge 13 of tee bass element 18, is immovable or fixed in: the: tengilurfinaS: axial direction l, but can turn between: the: locking position 14 of the aofuafor 23 end the release postiteh 15 of tee actuator 28, r ne mrning neao m nas ©îî its ungprsfos m visitt-erie« 3a«» c s -wwi axisues uewaweH» «1 ·«:«* ....... «*.»«»»«ív.. >». úr Ins endfeereoffscfegrsway torn®® turning head 20: an, inwardly Greeted: wedge-shaped bulge is ccnsfruefed;

The lostolailsn pit 21 is insehedfeto feg guide §wml?c tÄM# iMaiialöni ofldé fuming; head: Wvvith Ide base element 10. Á first laming; head stop 20a and: a second loming head stop |3b likewise extend in the longitudinal; easel dlmotisn. The ist temseg heed stop 2§a and the second! turning bead stop 28b ate constructed as surfaces extending in teièl dtrselton Which ere connected to one another by means at a ring:segment et an angle of approximately 24Cr. tithe turning bead 20 rs fitted on the base element 1¾ then: the first turning head step 1 8¾ wife: feeffrsf: end step 13¾ forma s tf$ pan of steps and the second turning head step 18b with the second end stop 17b terms a second pm of steps, tf the turning head 20 is turned relative tethe base element 10 into; the release poslbn I S, then the catch 24 can be brought »to engagement With:the release:catch element 15a and the first fuming head stop 18a touches the fust end stop 1?a. 8y fee turning of the turnsog heed 20 info the release;f csitidn 15 line actuator 23 Is swivelled; away from the looking surface 18 ana as a resuit :¾ pivotably rnovÄ to toe longitudinal exiai toreceon L As a mu| toe spray noA?ie 25 Is pressed apfesf: a disrtoafp epen%of the spray can 1. so that a; valve inside fee spray can 1 is acfeafediand; a pressurised liquid can escape from fee spray can 1 via the spray nczsia 2S. Moreover, the engagement of the wedge-shaped end sf the installation pee M in the wedgto-shaped end 0: toe base profeehen 1? prevents tilting et the turning head SO when fee actuator 23 is actuated if the lUfhlhg ihsad 2Ö is turned relative to toe base eiement 10 ints the tocking; position 14, then the catch 24 can be toeughTtofo engagement wt|| toa loctong catch element 14a and fee second turning head stop 1¾ touches toe second end stop 1% Due ts fee torning of toe turning head 20 into toe tocking position 14 the actuator 23 co-operates with fee fan-shaped Socking surface 16 wmch has a blocking effect fe eeunferact actii^ of toe actuates 23 outside fee release position 15.

According to g second embodiment the spray nope 25 is constructed centrally and in one niece veto the turning head 2D ano extends from the underside of m turning head 20 substantially In the longitudinal axial direction L upwards beyond fee upper face of the turning head; If, The spray noatoe 25 is of substantially fubuiar shape. When fee actuator 23 is net; actuated the sptoy ncaafe 26 is fedtoed relative to fee longitudinal axial· direetton lot toe spray can by an angle o which corresponds to the angle fs between, the actuated actuator 23 and sic non-acfeated actuator 23. as shown in Figure 10.

The advantageous embeds« described hem serve merely tor explanation and dc net constitute any Matson of fen songé et protection. In a modified embodiment which =s not illustrated tos end stops 1 ra, m of fee base projection ar% net constructed as neatly extending surfaces. in furfeer embodiments the end stops 17a, 17b of the base projection are constructed in the form of bolts, in a modified embodiment which; to ttot lustraled is lower edge of the base element 13 (toes mot have » base eiernmtt ptofite, in a modified embodiment#» is not illustrated too base element edge 13 does not have an outwardly curved formation outside fee hoiding elements 13a. iis? of referense signs 1 spray can 2 upper spray osa sectiéri 2a first edge 2s second edge 5 spray device

If Pass element I 1 base element ribs II base element damping hook 13 base dement edge 13s holding: element 14 locking position: 14a locking catch dement 15 release position 15s release catch element 16a looking surface 16b release surface 17 base projection 17a erst end stop 17b second end stop 17c gods groove 18 base element proie 18 bass element projection 20 turning: head 21 installation guide 22 him hinge 23 actuator 23' actuator in actuating position 24 catch

25 Spray RQ22ÍS 25 gripping element 27 spray guard 28 guide proie 28a 'first turning head step 29b second turning head stop L. longitudinal axis

Claims (5)

Sprayer «} |> erm« t ^ c for drummer Claims: 1. Pmplate (S) rpmëedâpote ÄÄß for polyurethane box, with a yoke flö), which can be arranged firmly on the first upper pressure vessel section (2), where the piercing (10): the upper part is waxed. or the fan W zámfeilM (15a) will be released ^^ ÂSé- ^ ÎÂ'àiâjsiÂô. praying, freeing the shape of a circular element: te # surface (16b), and the lobes (t§a) or loosening surface (lob) Your first end stop (17a) and second end (170); In the main direction, a tear-out teaspoon is formed, and the pellets (p), sméfy forpfeafo are arranged on the upper side of the lower compartment (10), the rotary head (20) is a tÄSdteÄ (23), a spray container (26) and a hub of the spray tank. Uri-tyfeg # atomizer protectors (27) can be rotated between tertiary firing, the actuator (23) by a lock position (juice) and δ actuator (23) by an open position {15}, and where the actuator (23) is rigidly coupled to the rotary axis ( 20), and its movers (20) are movable in the release position (IS) in a substantially axial direction. 2. Μ1, according to my needs psr (δ), where the end cap (10) of the bayonet element (10) can be fused with the actuator (with the actuator (23) arranged in the organ (28)): a. where the outer part (10) of the aisole stem (10) has a locking latch thread (Ha), a release fetish (shoot), and an outer surface (24) of an apex head (24) is capable of transmitting the latching p! the locking device (Ha), and in the release llis (15) the release device (S) according to one of the previous batches (15a), the first end stop (17a) and: end piece (17b) is formed as a protrusion (17) with a stopper (28a) and a second rotary stop (29b) as a stopper (29b); In the preceding claims, some sizing apparatus (5) is provided with hooks (12) on the ring portion (1: D): (12) edge or lower part: front: recesses (19; formed on top of the upper jaw line) (2) trained first flange (2s) sub-label etiquette: (18) locked to lock axles, 5, The series of one of the preceding claims is a stack of cassettes {§ ·} ,. where it is a part element: (10) on the upper elder: support elements (13a) formed by a child, which are fergsteteien (2§); tra # t | profiffsl (23) freely fixed on fergathateam deaxate: kill 7, the punching pads (5) according to any one of the preceding claims, extending in a substantially axial direction, one of the foregoing claims, wherein the psoriasis (2S) rfem actuator is actuated (23). ) In case of spray box hossÉráhyu tetigeiyitányi (l) against the angle icon! tangled to what is 9. One of the preceding claims, wherein the three heating nozzles (26) are formed on the flute (20; i.e., i.e., i.a.). ) (20) ^ i and the access point has a complementary message (17c), one of the claims sæefM ito ^ asxkMsïi p | (where: aMM (16è |, à zátototez eiern (1% i and aezaeadda do etem (14h): integrated as a brain piece and atone 10). Atomiser according to one of the preceding claims (% where δ is actuator (23): atomizer protector (27) and psoriasis (2Sf to each other; solidly Issze). 12) Serine compounds of one of the foregoing claims (¾ ahoi s mâfcddtoto). | 23) on a fite of wood (22f: please donate to fepatofefei (2 (¾.