EP0587493B1 - Chalumeau, notamment d'oxycoupage - Google Patents
Chalumeau, notamment d'oxycoupage Download PDFInfo
- Publication number
- EP0587493B1 EP0587493B1 EP93402178A EP93402178A EP0587493B1 EP 0587493 B1 EP0587493 B1 EP 0587493B1 EP 93402178 A EP93402178 A EP 93402178A EP 93402178 A EP93402178 A EP 93402178A EP 0587493 B1 EP0587493 B1 EP 0587493B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blowtorch
- nozzle
- supporting member
- end part
- force
- 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.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 208000031968 Cadaver Diseases 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/38—Torches, e.g. for brazing or heating
- F23D14/42—Torches, e.g. for brazing or heating for cutting
Definitions
- the present invention relates to torches, in particular of the type comprising a torch body having an axis main, defining at least two fluid passages and comprising an end portion where said passages open, a nozzle interchangeable having a mounting end, and means for unlockable blocking capable of cooperating with the nozzle for keep the nozzle applied to the end part of the body torch, the locking means comprising at least one member support, cooperating with the nozzle and movable between an inactive position and an active position for blocking the nozzle, and actuable by a movable assembly axially displaceable and coupled to a member force application carried by the torch body.
- the nozzle is kept pressed against the end part, forming a conical bearing or flat, by a nut screwed on the end part of the torch, following a technique with a number of drawbacks: necessity to have a tool to unscrew and re-screw the nut; problems of nut tightness control; risk of adjustment of the perpendicularity of the torch in relation to the piece to be cut; and risks burns for the user after intensive use of the torch.
- the object of the present invention is to provide a structure simple and robust torch, eliminating most of the inconvenience mentioned above and greatly facilitating its implementation by a even a low-skilled user.
- the member support is rigid and includes a profiled housing receiving the end of mounting the nozzle (3) and comprising an opening (27) for access to the housing.
- FIG. 1 shows, by way of example, a flame cutting torch comprising a torch body 1 extended by an end portion 2 on the end of which is mounted, removably, a nozzle (or cutting head) 3.
- the torch body 1 comprises, in a tubular casing 4 a block 5 defining a passage 6 for cutting oxygen and a passage 7 oxy-fuel mixture downstream of two temperature control valves flow, of which only one (8) is visible in the drawing, supplied by fluid lines extending from a set 9 of fittings connection to cutting oxygen, oxygen supply lines heating and combustible gas, the assembly 9 being supported on a platinum 100.
- the end part 2 comprises an external cylindrical barrel 11 mounted on the block 5, in the extension thereof, and housing a supported end block 12 by two fluid conduits 13 and 14 fitted into the ends downstream of passages 6 and 7 and in the upstream ends of passages correspondents 15 and 16 formed in the end block 12 and which open out, respectively centrally and through an annular chamber, in a flat end surface 47 of the block 12.
- the block 12 is slightly protruding from the barrel 18 to allow easy access to the end face 12.
- the upper ends of lines 13 and 14 are straight and parallel to the axis of the torch coincident with the axis of the rod 19.
- the upper end of the rod 19 extends beyond the block 5 and is fixed, adjustable in length, in a piece 21 of coupling to a rod 22 of a pneumatic cylinder 23 mounted on the plate 10 and controlled by a pneumatic valve or solenoid valve 24 selectively supplying the cylinder 23 with a pressurized fluid, typically compressed air, routed through a supply line 25.
- a tubular support member 26 of inner diameter slightly greater than the outer diameter of the end of block 12 and comprising, in the example shown, a lateral access opening constituted by a longitudinal slot 27.
- the support member 26 has an annular bottom portion defining an inner shoulder 28 intended to cooperate with a shoulder lower 29 of a peripheral flange formed in the part nozzle 3.
- the pneumatic cylinder 23 is of the single-acting type, in the direction of extraction of its rod 22, and the moving part 19, 17, 26 is constantly urged towards the high, that is to say in the direction tending to press a nozzle 3 arranged in the support member 26 in leaktight support against the surface end 47 of block 12, by a strong spring 30 compressed between the transfer member 21 and a counterbore in the upper part of the block 5.
- blocks 12 and 5 are advantageously made of brass
- the barrel 11 and the pipes 13 and 14 can be made of steel, as is the rod 19.
- the nozzle 3 is kept pressed against the block 12 by the support member 26 under the effect of force, of at least 100 kg, typically around 150 kg, of spring 30.
- the operator actuates the switch of the solenoid valve 24 to put actuates the jack 23 which pushes the mobile assembly 19-17-26 to against the spring 30, from a distance of between 8 and 10 mm, this which allows to easily clear and without the need for tools particular, the nozzle 3 of its housing in the support member 26.
- a new nozzle being placed in the support member 26, the housing is shaped so as to guarantee its centering, the operator deactivates the jack 23 and the new nozzle is brought back pressed down watertight against block 12 by the ascent of the mobile assembly 19, 17, 26.
- the present invention can find in particular its application in other types of torches, such as welding torches or drivers, as well as in the torches of heating or cutting, for example plasma torches.
- the organ support may also, depending on the applications, include parts flexible and / or tilting cooperating with ramps formed at the end of the barrel 11.
- the jack 23 can be electric or, optionally, of the mechanical type with force multiplier.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Arc Welding In General (AREA)
- Lubricants (AREA)
- Disintegrating Or Milling (AREA)
- Catalysts (AREA)
- Gas Burners (AREA)
- Laser Beam Processing (AREA)
- Surgical Instruments (AREA)
Description
- la partie d'extrémité du corps de chalumeau comprend un fût cylindrique creux dans lequel s'étendent au moins deux conduits de fluides et où est disposé un bloc d'extrémité relié aux conduits de fluides et formant la surface d'extrémité, l'équipage mobile comprenant une portion au moins partiellement tubulaire s'étendant axialement entre la périphérie du bloc et le fût;
- l'équipage mobile comprend une tige s'étendant axialement dans le corps du chalumeau;
- l'organe d'application de force comprend un vérin ;
- l'organe d'appui est solidaire de l'équipage mobile ;
- l'organe d'application de force comprend un ressort, typiquement logé dans le corps de chalumeau, sollicitant l'organe d'appui dans sa position active.
- la figure 1 est une vue schématique en coupe longitudinale d'un chalumeau selon l'invention ; et
- la figure 2 est une vue en coupe transversale de l'organe d'appui du chalumeau de la figure 1.
Claims (10)
- Chalumeau, notamment d'oxycoupage, comportant un corps de chalumeau (1) ayant un axe principal, définissant au moins deux passages de fluides (6, 7) et comportant une partie d'extrémité (2) où débouchent lesdits passages, une buse interchangeable (3) ayant une extrémité de montage, et des moyens de blocage déverrouillables susceptibles de coopérer avec la buse (3) pour maintenir la buse appliquée sur la partie d'extrémité du corps (1), les moyens de blocage comprenant au moins un organe d'appui (26), coopérant avec la buse (3) et déplaçable entre une position inactive et une position active de blocage de la buse, et actionnable par un équipage mobile (19, 17) déplaçable axialement et couplé à un organe d'application de force (23 ; 30) porté par le corps de chalumeau (1), caractérisé en ce que l'organe d'appui (26) est rigide et comprend un logement profilé recevant l'extrémité de montage de la buse (3) et comportant une ouverture (27) d'accès au logement.
- Chalumeau selon la revendication 1, caractérisé en ce que le logement de l'organe d'appui (26) comporte une portion de surface de contact annulaire (28) coopérant avec un épaulement périphérique (29) de la buse (3).
- Chalumeau selon la revendication 1 ou la revendication 2, caractérisé en ce que la partie d'extrémité (2) du corps comporte une surface d'extrémité (47) contre laquelle l'extrémité de montage de la buse (3) est plaquée axialement par l'organe d'appui (26).
- Chalumeau selon l'une des revendications 1 à 3, caractérisé en ce que la partie d'extrémité (2) comprend un fût cylindrique (11) dans lequel s'étendent au moins deux conduits de fluides (13, 14) et où est disposé un bloc d'extrémité (12) relié aux conduits de fluides et formant la surface d'extrémité (47), l'équipage mobile comprenant une portion tubulaire (11) s'étendant axialement entre la périphérie du bloc d'extrémité (12) et le fût (11).
- Chalumeau selon la revendication 4, caractérisé en ce que l'équipage mobile comprend une tige (19) s'étendant axialement dans le corps de chalumeau (1).
- Chalumeau selon l'une des revendications précédentes, caractérisé en ce que l'organe d'application de force comprend un vérin (23).
- Chalumeau selon l'une des revendications précédentes, caractérisé en ce que l'organe d'appui (26) est solidaire de l'équipage mobile (19, 17).
- Chalumeau selon la revendication 6 et la revendication 7, caractérisé en ce l'organe d'application de force comprend un ressort (30) sollicitant l'organe d'appui (26) dans sa position active.
- Chalumeau selon la revendication 8, caractérisé en ce que le ressort (30) est logé dans le corps de chalumeau (1).
- Chalumeau selon l'une des revendications précédentes, caractérisé en ce que la surface d'extrémité (17) et l'extrémité de montage de la buse (3) sont planes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9210687 | 1992-09-08 | ||
FR9210687A FR2695459B1 (fr) | 1992-09-08 | 1992-09-08 | Chalumeau, notamment d'oxycoupage. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0587493A1 EP0587493A1 (fr) | 1994-03-16 |
EP0587493B1 true EP0587493B1 (fr) | 1998-01-21 |
Family
ID=9433288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93402178A Expired - Lifetime EP0587493B1 (fr) | 1992-09-08 | 1993-09-08 | Chalumeau, notamment d'oxycoupage |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0587493B1 (fr) |
AT (1) | ATE162606T1 (fr) |
DE (1) | DE69316487T2 (fr) |
DK (1) | DK0587493T3 (fr) |
ES (1) | ES2111727T3 (fr) |
FR (1) | FR2695459B1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2164972A (en) * | 1937-06-26 | 1939-07-04 | Oxweld Acetylene Co | Blowpipe |
FR987200A (fr) * | 1948-05-21 | 1951-08-09 | Perfectionnements aux chalumeaux à souder ou autres | |
GB950991A (en) * | 1961-10-04 | 1964-03-04 | Alfred John Mathews | Improvements relating to oxygen cutting nozzles |
DE2819073C2 (de) * | 1978-04-29 | 1980-06-26 | Messer Griesheim Gmbh, 6000 Frankfurt | Maschinenbrenner |
-
1992
- 1992-09-08 FR FR9210687A patent/FR2695459B1/fr not_active Expired - Fee Related
-
1993
- 1993-09-08 DE DE69316487T patent/DE69316487T2/de not_active Expired - Fee Related
- 1993-09-08 ES ES93402178T patent/ES2111727T3/es not_active Expired - Lifetime
- 1993-09-08 EP EP93402178A patent/EP0587493B1/fr not_active Expired - Lifetime
- 1993-09-08 DK DK93402178.3T patent/DK0587493T3/da active
- 1993-09-08 AT AT93402178T patent/ATE162606T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2111727T3 (es) | 1998-03-16 |
ATE162606T1 (de) | 1998-02-15 |
DK0587493T3 (da) | 1998-05-11 |
FR2695459A1 (fr) | 1994-03-11 |
EP0587493A1 (fr) | 1994-03-16 |
FR2695459B1 (fr) | 1994-10-28 |
DE69316487D1 (de) | 1998-02-26 |
DE69316487T2 (de) | 1998-07-30 |
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