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EP0353277B1 - Serrure cylindrique a pompe - Google Patents

Serrure cylindrique a pompe Download PDF

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Publication number
EP0353277B1
EP0353277B1 EP89902021A EP89902021A EP0353277B1 EP 0353277 B1 EP0353277 B1 EP 0353277B1 EP 89902021 A EP89902021 A EP 89902021A EP 89902021 A EP89902021 A EP 89902021A EP 0353277 B1 EP0353277 B1 EP 0353277B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
housing
core
cylinder lock
foregoing
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
Application number
EP89902021A
Other languages
German (de)
English (en)
Other versions
EP0353277A1 (fr
Inventor
Gernot Richter
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19883803883 external-priority patent/DE3803883A1/de
Priority claimed from DE19883836435 external-priority patent/DE3836435A1/de
Application filed by Individual filed Critical Individual
Publication of EP0353277A1 publication Critical patent/EP0353277A1/fr
Application granted granted Critical
Publication of EP0353277B1 publication Critical patent/EP0353277B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/04—Casings of cylinder locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks

Definitions

  • the invention relates to a cylinder lock according to the features of the preamble of claim 1.
  • a blank is produced as a profile, which has a first section with a cylindrical outer contour and a second section which is formed radially on the outer circumference of the cylindrical section and has a cuboid outer contour with two parallel side walls which have a semicircular contour on the the side or edge of the second section opposite the cylindrical first section is connected to one another.
  • This profile is a solid, one-piece housing profile and is produced using the drawing process.
  • the first section is provided with a cylindrical longitudinal bore and the second section with transverse bores, the cylinder core is inserted into the longitudinal bores and tumbler pins into the transverse bores.
  • Cylinder housings which do not have a second section are also known. Since brass is currently the only material used in all cylinder housings, the production of the longitudinal bores using a normal brass drill is very simple and inexpensive.
  • This brass material used in all locks currently manufactured is relatively easy to break open, so that the resistance value is low. This resistance value corresponds to the length of time it takes to break the lock.
  • the object of the invention is therefore to further develop a cylinder lock which reduces the number of operations compared to the cylinder lock of GB-A-2021679 and additionally improves the resistance value.
  • the blank from which the cylinder housing and the cylinder core are made can be cast, drawn, forged, or made using the powder metallurgical sintering process.
  • the properties of the steel are essential; it should be corrosion-free, have high toughness, high strength and hardenability, which means a significant improvement in the resistance value.
  • the cylinder housing is designed as shown in the features of claims 1, 3 and 4, then significant simplifications are achieved in the manufacture of the cylinder housing, in particular in the manufacture of the longitudinal bore. Due to the fact that the two profile parts, i.e. the two housing sections, form the longitudinal bore space from the outset, it is no longer necessary to drill the cylinder housing, but only to process it with a so-called broach, in order to prevent metal particles that may have entered the interior during the welding or soldering process remove. Even if the inside diameter of the raw part from the two housing sections is slightly smaller than the required inside diameter, drilling out the longitudinal hole that is present from the outset is considerably simplified and does not require any major changes to the tools or machine tools currently installed.
  • housing sections are designed as shown in claims 3 or 4, there is a particular advantage in particular in claim 4 due to the longitudinal step, since these serve to improve the joining of the two shells.
  • the longitudinal steps act as labyrinth-like seals, so that molten welding or soldering material is prevented from flowing into the interior of the longitudinal bore.
  • the cylinder core is made of the same steel to achieve a corresponding resistance value. Since the Locking channel is produced according to claim 6 with the machining methods specified there, the manufacture of the entire cylinder lock is considerably simplified.
  • the cylinder core is coated with a lubricant according to claim 7.
  • This lubricant can be a coat of plastic applied or a kind of lubricant layer; the latter sits in the valleys of the machining grooves as a supply and is gradually pushed out of these valleys when the cylinder core is turned.
  • a blank for a cylinder housing is shown, which is made of a high-strength, high-toughness hardenable, stainless steel.
  • the blank has a first housing section (10), into which, as shown in broken lines, a longitudinal bore (10a) or cylinder bore (10a) is made.
  • the first housing section (10) is adjoined by a second housing section (11), which has a cuboid cross section with bilateral side walls (12, 13) which are connected by means of a round contour (14).
  • This cylinder housing is also made from a tough, high-strength hardenable, rustproof, steel.
  • the cylinder housing acc. Figure 2 has a cylindrical housing section (20) which corresponds to section (10).
  • This cylinder section (20) has a longitudinal bore (21), and the second housing section (22), the two, is formed radially to it has parallel side walls (23, 24) which are connected to one another by means of an arcuate section (25) or an arcuate contour (25).
  • the first housing section (20) comprises an upper shell (26), and two formings (27, 28) are formed on both sides of the second housing section (22), which protrude beyond the two side walls (23, 24) on both sides and thus a lower shell ( 29), which is covered by the upper shell (26) such that the two free edge edges (30) of the upper shell and the free edge edges (31) of the lower shell (29) are directed towards each other.
  • the two shells (26, 29) complement each other to form the hollow cylindrical first housing section (20), and the inner surfaces of the two shells (26, 29) form the longitudinal bore or delimit the longitudinal bore (21).
  • the mouth angle Alpha is an acute angle.
  • a weld seam (33) is placed in this mouth (30, 31) by means of a laser welding process or an electron welding process. Of course, all other types of welding processes can also be used, provided this avoids excessive warping of the first housing section (20).
  • a nose (34) formed by the weld seam material projects into the interior of the bore (21).
  • This nose (34) as well as other unevenness on the inside of the shells (26, 29) is then removed by means of machining, preferably with a simple broach.
  • the upper shell (26) and the section (22) with the projections (27, 28) are each produced as a drawn profile, the steel material corresponding to claim 1.
  • Fig. 4 shows the two shells (40, 41) which correspond to the shells (26, 29).
  • each have a bevel (44, 45) corresponding to the bevels and a recess (46) or a projection (47), the latter of which fit into one another and for guiding the upper shell (40) serve opposite the lower shell (41).
  • the recess and the projection have a sealing effect when welding or soldering, so that the lugs (34) corresponding lugs and thus a reworking of the longitudinal bore inner surface is avoided.
  • FIG. 5 shows a plan view of a cylinder core (50) which has a key cut (locking channel) (51) which runs lengthwise through the entire locking core.
  • the closing core has at its forward ends from the cylinder housing (52) a radial flange (53) which bears against a recess (54) on the cylinder housing, which deepens the longitudinal or core receiving bore (55) at its end.
  • a radial flange (53) which bears against a recess (54) on the cylinder housing, which deepens the longitudinal or core receiving bore (55) at its end.
  • a lock bit (57) is formed on the end (53) opposite the locking core, which can be pivoted with the locking core by means of a key (not shown)
  • a security plate (60) can be attached in front of the lock, which has a bore (61) that only leaves the cylinder core free.
  • the bore can also contour the cylinder housing be adjusted so that it remains free.
  • the cylinder housing has the second housing section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Pens And Brushes (AREA)
  • Eye Examination Apparatus (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (8)

  1. Serrure cylindrique à pompe pour portes équipée d'un boîtier cylindrique (52), d'un noyau cylindrique (50) et de chevilles de verrouillage, le boîtier cylindrique (52) étant pourvu d'un alésage longitudinal (21) prévu pour le noyau cylindrique (50) et d'une partie parallélépipédique (22) dans le sens axial, le matériau utilisé pour le boîtier cylindrique étant en acier résistant à la corrosion,
    caractérisée en ce que le matériau utilisé est un acier trempable de ténacité et résistance élevée pouvant être brasé à haute température ou soudé par faisceau d'électrons ou par faisceau laser, que le boîtier cylindrique (52) et le noyau cylindrique (50) sont fabriqués dans le même matériau, que le boîtier cylindrique (52) se compose de deux éléments (26, 29) qui sont séparés axialement et qui ont la forme de deux demi-coques cylindriques creuses destinées à constituer l'alésage longitudinal cylindrique (21), l'une d'entre elles portant au milieu de son pourtour la partis parallélépipédique (22), et que les deux éléments du boîtier (20, 22) sont assemblés par soudage par faisceau laser ou par faisceau d'électrons ou par brasage à haute température.
  2. Serrure cylindrique à pompe selon la revendication 1, caractérisée en ce que le boîtier et le noyau cylindrique sont coulés, étirés, forgés ou fabriqués selon un procédé de frittage relevant de la métallurgie des poudres.
  3. Serrure cylindrique à pompe selon l'une des revendications ci-dessus, caractérisée en ce que les arêtes (30, 31) orientées les unes vers les autres de la coque supérieure et de la coque inférieure (26, 29) présentent un chanfrein, de sorte que les arêtes forment ensemble, avant assemblage, un angle aigu ouvert vers l'extérieur (α).
  4. Serrure cylindrique à pompe selon l'une des revendications ci-dessus, caractérisée en ce qu'au niveau des arêtes (44 à 47) orientées les unes vers les autres, il existe un palier longitudinal prévu pour ajuster la coque supérieure et la coque inférieure, un joint labyrinthien empêchant que de la matière de soudage ou de brasage fondue pénètre à l'intérieur de l'alésage longitudinal.
  5. Serrure cylindrique à pompe selon l'une des revendications ci-dessus, caractérisée en ce que l'alésage longitudinal (21), après assemblage solide par soudage par faisceau laser ou par faisceau d'électrons ou par brasage à haute température, peut être traité au moyen d'un outil, de préférence une broche.
  6. Serrure cylindrique à pompe selon l'une des revendications ci-dessus, caractérisée on ce que le noyau cylindrique présente un passage pour la clé et des alésages pour les chevilles, et en ce que le passage pour la clé est ménagé dons le noyau cylindrique, par exemple, par un procédé par étincelage ou un procédé analogue.
  7. Serrure cylindrique à pompe selon l'une des revendications ci-dessus, caractérisée en ce que la surface cylindrique du noyau cylindrique est revêtue d'une touche de glissement.
  8. Serrure cylindrique à pompe avec un boîtier cylindrique et un noyau cylindrique selon l'une des revendications ci-dessus, caractérisée en te que lors de la mise en place du noyau cylindrique dans un boîtier cylindrique une ferrure de sûreté est fixée devant la serrure cylindrique, qui laisse libre au moins un bord (53) du noyau cylindrique (50) au moyen d'un alésage (61).
EP89902021A 1988-02-09 1989-02-06 Serrure cylindrique a pompe Expired - Lifetime EP0353277B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19883803883 DE3803883A1 (de) 1988-02-09 1988-02-09 Zylindergehaeuse fuer ein zylinderschloss
DE3803883 1988-02-09
DE3836435 1988-10-26
DE19883836435 DE3836435A1 (de) 1988-10-26 1988-10-26 Zylinderkern fuer schliess-zylinder
PCT/DE1989/000071 WO1989007697A1 (fr) 1988-02-09 1989-02-06 Serrure cylindrique a pompe

Publications (2)

Publication Number Publication Date
EP0353277A1 EP0353277A1 (fr) 1990-02-07
EP0353277B1 true EP0353277B1 (fr) 1994-10-12

Family

ID=25864693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89902021A Expired - Lifetime EP0353277B1 (fr) 1988-02-09 1989-02-06 Serrure cylindrique a pompe

Country Status (4)

Country Link
EP (1) EP0353277B1 (fr)
AT (1) ATE112813T1 (fr)
DE (1) DE58908491D1 (fr)
WO (1) WO1989007697A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10127472B4 (de) * 2001-06-07 2004-02-19 Aberle Gmbh & Co. Zylinderkern für Schließzylinder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037358C2 (de) * 1990-11-23 1996-07-11 Guenter Hommel Zylinderschloß
DE19646058C2 (de) * 1996-11-07 2003-06-05 Gernot Richter Verlängerbares Schließzylinder Baukastensystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161176B (de) * 1964-01-09 Karrenberg Fa Wilhelm Drehzylinderschloss
FR2232947A5 (fr) * 1973-06-05 1975-01-03 Lammens Jean
CH568460A5 (fr) * 1973-10-18 1975-10-31 Cylintec Sa
GB1545294A (en) * 1977-04-19 1979-05-10 Newman Tonks Ltd Method of constructing plugs for pin tumbler cylinder locks and plugs made thereby
CH626679A5 (fr) * 1978-05-12 1981-11-30 Ernst Keller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10127472B4 (de) * 2001-06-07 2004-02-19 Aberle Gmbh & Co. Zylinderkern für Schließzylinder

Also Published As

Publication number Publication date
DE58908491D1 (de) 1994-11-17
WO1989007697A1 (fr) 1989-08-24
ATE112813T1 (de) 1994-10-15
EP0353277A1 (fr) 1990-02-07

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