DK172082B1

DK172082B1 - Frost proof outdoor cock

Info

Publication number: DK172082B1
Application number: DK353589A
Authority: DK
Inventors: Voldemar Riis
Original assignee: Vaergaarda Armaturfab Ab
Priority date: 1988-07-22
Filing date: 1989-07-18
Publication date: 1997-10-13
Also published as: SE461349C; NO180498B; DK353589A; DE8906435U1; NO892895L; NO180498C; SE8802709D0; DK353589D0; SE8802709L; NO892895D0; SE461349B

Description

DK 172082 B1DK 172082 B1

Den foreliggende opfindelse angår en frostsikker udendørshane af den i kravl's indledning angivne art.The present invention relates to a frost-proof outdoor cock of the kind set forth in the preamble of Claim.

Frostsikre udendørshaner med dræn har i mangee år været kendt i mange forskellige udførel-5 sesformer. Deres opgave er at lede vand fra et opvarmet rum på indersiden af en ydervæg til væggens yderside. I den kolde årstid kan vandet fryse i hanen, hvorfor det er nødvendigt, at udendørshaner er drænet, så vandet ikke findes i den del af hanen, som er beliggende i væggen og på væggens yderside.Frost-proof outdoor taps with sinks have for many years been known in many different embodiments. Their task is to direct water from a heated room on the inside of an outer wall to the outside of the wall. During the cold season, the water can freeze in the tap, which is why outdoor taps need to be drained so that the water is not found in the part of the tap that is located in the wall and on the outside of the wall.

10 Til udendørshaner af ovennævnte slags tilsluttes ofte slanger til vandings- eller rengøringsformål, og hvis disse slanger ikke fjernes om vinteren, kan det ske, at vandet, som står tilbage i slangen og dermed også i røret, fryser. For at undgå denne ulempe er det tidligere foreslået at montere hanen med et specielt dræn, som er beliggende ved siden af udløbsstudsen. En forudsætning for dette er, at udendørshanen er forsynet med dobbeltventiler, hvoraf den ene 15 skal forhindre, at vandet sprøjter ud gennem drænpassagen, når hanen åbnes. Sådanne selv-drænerende haner er kendt fra US-3,424,189 og SE-455434.10 For outdoor faucets of the above-mentioned type, hoses are often connected for irrigation or cleaning purposes, and if these hoses are not removed in winter, the water left in the hose and thus also in the pipe may freeze. In order to avoid this disadvantage, it has previously been proposed to install the tap with a special drain located next to the outlet nozzle. A prerequisite for this is that the outdoor tap is fitted with double valves, one of which is to prevent the water from spraying through the drainage passage when the tap is opened. Such self-draining taps are known from US-3,424,189 and SE-455434.

Formålet med opfindelsen er at anvise en udendørshane af ovennævnte slags, hvis spindelforlængelse er effektivt styret og lejret, og som er således udformet, at en sikker lukke- og tæt-20 ningsfunktion opretholdes. Samtidig ønsker man en integreret enhed, som ved fejl let kan udskiftes.The object of the invention is to provide an outdoor cock of the aforementioned kind, the spindle extension of which is effectively controlled and mounted, and which is designed so that a safe closing and sealing function is maintained. At the same time, you want an integrated unit that can easily be replaced in the event of errors.

Dette opnås ifølge opfindelsen ved den i krav 1 anviste udformning.This is achieved according to the invention in the embodiment of claim 1.

25 Opfindelsen skal i det følgende forklares nærmere i forbindelse med tegningen, hvor fig. 1 viser et længdesnit gennem en hane ifølge opfindelsen i lukket tilstand og med åbent dræn, og fig. 2 et længdesnit gennem den forreste ydre del af udendørshanen i åben tilstand og med 30 lukket dræn.BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be explained in more detail in connection with the drawing, in which: FIG. 1 is a longitudinal sectional view of a tap in accordance with the present invention in a closed and open drain; FIG. 2 is a longitudinal section through the front outer part of the outdoor cock in open condition and with 30 closed sinks.

Udendørshaneri ifølge opfindelsen består af en ydre husdel 11 med udløbsstuds 12, et til den ydre husdel tilsluttet gennemløbsrør 13 og en indre husdel 14 med tilslutningsstuds 15 til en vandledning (ikke vist). Den indre husdel 14 er forsynet med en indre ventilenhed 16 bestå-35 ende af et ventilsæde 17 og et med denne samvirkende ventillegeme 18, som er fastgjort til den ene ende af en spindelforlængelse 19, som strækker sig gennem gennemløbsrøret 13. I den ydre husdel 11 findes en ydre ventilenhed 20, som er indrettet til at lukke forbindelsen mellem husdelen 11 og gennemløbsrørets 13 indre samt en drænkanal 21. Manøvreringen af DK 172082 B1 2 de to ventilenheder 16 og 20 sker ved hjælp af en spindel 22, som ved hjælp af et ikke nærmere vist manøvreringsorgan kan skrues ud og ind i forhold til husdelen 11. Spindelen 22 er forsynet med en aksial koncentrisk boring 23, i hvilken en kegle 24 er aksialt forskydelig lejret. Keglens 24 ydre ende er udformet med en muffe 25, i hvilken spindelforlængelsen 19 er fikse-5 ret. Spindelforlængelsen 19 centreres således via keglen 24 i spindelen 22. Dennes ene indre ende er udformet til at strække sig over keglen 24,25 og over den ydre ende af spindelforlængelsen 19. Ved spindelens 22 indre ende er anbragt en låseskive 26, som støtter en tætningsring 27. Denne samvirker med et ved muffens 25 endegavl anbragt sæde 28. Keglen 24 er fjederbelastet, dvs. den er under påvirkning af en fjeder 29, som er indrettet til at presse keglen 10 i retning fra spindelen 22 til anlæg mod spindelforlængelsens ene ende. Dette betyder, at ventillegemet 18 af fjederen 29 presses i retning mod sædet 17. De to ventilenheder 16 og 20 er udformet på én sådan måde, at når ventilenheden 16 er lukket, er ventilenheden 20 åben og dermed også i forbindelse fra hanens indre til drænkanalen 21. Skulle udløbsstudsen 12 af en eller anden grund være stoppet, fx ved at en vandslange er tilsluttet hanen og vandet ikke kan 15 løbe ud af slangen, vil det i hanen stående vand blive drænet bort.Outdoor enclosure according to the invention consists of an outer housing part 11 with outlet nozzle 12, a through-pipe 13 connected to the outer housing part and an inner housing part 14 with connection nozzle 15 for a water line (not shown). The inner housing part 14 is provided with an inner valve assembly 16 consisting of a valve seat 17 and one with this cooperating valve body 18 which is attached to one end of a spindle extension 19 extending through the through-pipe 13. In the outer housing part 11, there is an external valve unit 20 which is arranged to close the connection between the housing part 11 and the interior of the passage pipe 13 as well as a drainage channel 21. The operation of the two valve units 16 and 20 is effected by means of a spindle 22, which an actuator not shown in detail can be screwed out and in relation to the housing part 11. The spindle 22 is provided with an axial concentric bore 23, in which a cone 24 is axially displaceable. The outer end of the cone 24 is formed with a sleeve 25 in which the spindle extension 19 is fixed. The spindle extension 19 is thus centered via the cone 24 in the spindle 22. Its one inner end is designed to extend over the cone 24,25 and over the outer end of the spindle extension 19. At the inner end of the spindle 22 is provided a locking disc 26 which supports a sealing ring. 27. This cooperates with a seat 28. At the end end of the sleeve 25, the cone 24 is spring loaded, ie. it is under the influence of a spring 29 which is arranged to push the cone 10 in the direction from the spindle 22 for abutment towards one end of the spindle extension. This means that the valve body 18 of the spring 29 is pressed in the direction of the seat 17. The two valve units 16 and 20 are designed in such a way that when the valve unit 16 is closed, the valve unit 20 is open and thus also in connection from the interior of the male to the drainage channel. 21. If for some reason the outlet nozzle 12 has been stopped, for example by the fact that a water hose is connected to the tap and the water cannot run out of the hose, the water contained in the tap will be drained away.

Når udendørshanen skal åbnes, skal spindelen 22 skrues et stykke ud over husdelen 11, medens den anden ventilenhed 20 forskydes mod keglens 24 ventilsæde 28. I begyndelsen af denne forskydning forbliver den indre ventilenhed 16 lukket, fordi fjederen 29 fortsætter med at 20 presse ventillegemet 18 mod ventilsædet 17. Når tætningsringen 27 har nået anlæg mod sædet 28, er fjedertrykket mindsket så meget, at ventilenheden 16 åbnes, og vandet tømmes gennem gennemløbsrøret 13 og ud gennem udløbsstudsen 12.To open the outdoor cock, the spindle 22 must be unscrewed slightly beyond the housing portion 11 while the second valve assembly 20 is displaced against the valve seat 28. At the beginning of this displacement, the inner valve assembly 16 remains closed because the spring 29 continues to press the valve body 18 toward the valve seat 17. When the sealing ring 27 has reached the seat 28, the spring pressure is reduced so much that the valve unit 16 is opened and the water is emptied through the through-pipe 13 and out through the outlet nozzle 12.

Spindelens indre, i huset beliggende ende er udformet med et bøsningsformet parti 30, og 25 inden i dette er udformet en afsats til optagelse af tætningsringen 27 og låseskiven 26. Denne og tætningsringen er fast fikseret i afsatsen, ved at det bøsningsformede parti 30 er ombukket mod en affasning ved låseskiven. På denne måde danner keglen og tætningen 27 en integreret enhed med spindelen, hvilken enhed let kan udskiftes, hvis den skulle være slidt eller beskadiget.The inner end of the spindle is housed with a sleeve portion 30, and 25 therein is formed a ledge for receiving the sealing ring 27 and the lock washer 26. This and the sealing ring are fixedly fixed in the ledge by the sleeve portion 30 being folded towards a bevel at the lock washer. In this way, the cone and seal 27 form an integral unit with the spindle, which unit can be easily replaced should it be worn or damaged.

Claims

1. Frost-proof outdoor cock with sinks and of the type comprising a spindle extension (19) located in a through-pipe (13) for actuating an internal valve unit (16), which through-pipe (13) communicates with the outlet of the tap (12). , an outer valve assembly (20) disposed between the outer end of the passageway (13) and a drainage channel (21), to which outer valve assembly (20) is connected said spindle extension (19) such that when the inner valve assembly (16) is closed , the outer valve assembly (20) is open and vice versa, characterized in that the outer valve assembly (20) comprises a spindle (22) actuated by an actuator, in which is concentrically and axially displaceable one end of a spring-loaded cone ( 24) while the other end is connected to the spindle extension (19), the spindle (22) is designed to extend over the cone (24) and with a lock washer (26) for a sealing ring (27) over the front end portion of the spindle extension, and to the cone s (24) facing the sealing ring (27) are formed as a seat (28) for cooperating with the sealing ring. 15

Outdoor cock according to claim 1, characterized in that the sealing end of the spindle (22) is provided with a sleeve-shaped portion (30) and within it a housing for receiving the sealing ring (27) and the locking disc (26) which is fixed in the ledge. by bending the bush-shaped portion (30) toward the lock washer.