FI120273B - Door lock with hooks - Google Patents

Abstract

A door lock (1) having a lock body (2) equipped with a front plate (3), said lock body including a hook bolt (4) movable between the locking and released position with a key, the hook bolt being arranged to cooperatewith a striker plate (11) in the door frame so that in its locking position, the hook bolt (4) is pushed into the striker plate opening (11a) and its hook part (6) is turned towards the inner surface of the striker plate (11). The hook bolt (4) comprises a plate-like body part (5) with hook parts (6) pivotably mounted on both sidesthereof, and in the locking position of the hook bolt (4), the body part (5) together with the hook parts (6) extends into the striker plate opening (11a). The body part (5) is furnished with side elements (8) arranged at the positions of the hook parts (6), and in the locking position of the hook bolt (4), the side elements (8) together with the body part (5) and the hook parts (6) are arranged to substantially fill the striker plate opening (11a). Furthermore, in the lengthwise direction of the front plate (3), the body part (5) is dimensioned so that in its locking position, it is wider at the front plateopening (3a) compared to other parts of the hook bolt (4), and the front plateopening (3a) has a separate cutout (3b) for thebody part (5) preferably at both the top edge and the bottom edge of the opening.

Description

DOOR LOCK WITH HAKATKELT - DÖRRLAS MED EN HAKKOLV

The invention relates to a door lock with a hook axle according to the preamble of claim 1

Hacked tent locks are known in many ways. Hooking axle or separate hitch section. use in the bogie is advantageous because it makes it much more difficult to force the bogie into the release position on the lock body when the handle portion 10 engages the counter frame plate of the door frame. One known hatch tent lock is disclosed in FR 2518193. Here, a hinged body body is provided with a single pivoting hook member mounted on a pin. The operation of the hook member in this lock is somewhat uncertain, because when moving the hook stroke out of its locking position, the rotation of the hook member occurs only on the basis of gravity or additionally guided by the upper edge of the opening of the counter plate. In this case, the frictional forces can become a problem, so that the hatching shaft may even hang. In addition, the anti-breaking properties of this known solution, in particular regarding lateral breaking action of the axle to provide tensile load to the axle, are insufficient.

20

It is an object of the invention to further develop known hook-lock solutions and to provide a lock-locked door lock which is simple in design and reliable, and which is significantly more advanced than known solutions in terms of fracture and strength properties.

25

The objects of the invention are mainly achieved in the manner detailed in claim 1 and in other claims. According to the invention, the hook axle comprises a plate-like body having pivotally mounted bearings on each side and which, in the locking position 30 of the hook axle, extends with the hook members into the opening of the counter plate. The body is provided with side elements arranged on the hooks, which together with the body of the body and the hooks in the locking position 2 of the hook axle are arranged to substantially fill the opening of the counter plate. Further, the body portion is dimensioned longitudinally such that, in its locking position, it is wider at the opening of the breast plate than the rest of the hooks, with a separate recess 5 preferably at the top and bottom of the opening for the body portion.

By means of the invention it is possible to substantially improve the anti-breaking properties of the door lock and its hooks, especially when the hitch is subjected to a tensile load. Thanks to the hook parts and side elements 10, the axle has good strength properties. Due to the additional elements, the axle has enough solid material, that is to say, not only material supported by the bearing pin to resist breaking. Sufficiently strong hook parts ensure grip on the stop plate opening. The locked hook tentacle does not fit out of the opening of the counter plate, so that the locked hook tentacle cannot be removed from the counter plate, but it effectively binds the door 15 to the door frame.

The widened body protects the hooks if an attempt is made to impact the hacksaw by chopping it up or down with a chisel. In addition, the widened body portion can improve the lateral loading of the buckle, since the busts tend to tear at the corners of the bolt openings. With the stud and • · · * · 1 · 1 bust structure according to the invention, the load is partially distributed over four corners instead of the previous two · · · · · '· 1s.

Preferably, the body member comprises barrier means arranged on both sides of the body member 1 · 1 25 and longitudinally disposed on the body member. ... · with respect to the opening so as to prevent the hook axle from being pulled out of the lock body beyond its normal locking position. Barrier means prevent the hook strap from · · falling out of the opening in the breast plate in the event of a tensile load applied to the hook strap to · · · · · · · · · · · · · · · · ·

··· · • • 3 3 3 3 3 3 3

In a manner known per se, the hook members are substantially U-shaped, wherein said side elements are shaped to allow rotation of the hook members. Thanks to this design, as much material as possible is arranged on the hook parts to improve the strength of the hitch axle.

5

The operation of the hook members can be ensured by moving the hook axle from the opening of the hook plate to the lock body by arranging a control element arranged in cooperation with the inner leg of the hook members to retract the hook members with the opening of the hook plate

The invention will now be described, by way of example, with reference to the accompanying schematic drawings, in which: - Figure 1 shows a door lock according to the invention in side view, partially opened and hooks in free position, - Figure 2 shows the door lock and the counter plate in a situation where the hinge axle is partially contained within the counter plate, Fig. 4 shows the door lock of Fig. 1 and the counter plate in a situation where the hinge axle · · · Y ·] is fully locked inside the counter plate; Figure 4 is a front view of the door lock without the counter plate.

In the drawings, reference numeral 1 designates a door or similar swing wing • ·: 2 25 door locks to be fitted and reference numeral 11 a counter plate in the door frame.

* · ..1 For clarity, the door itself and the door frame have not been shown.

The door lock 1 comprises a lock body 2 provided with a breast plate 3, which is thus · · · * ... · embedded in a door or the like and has a hinged axle 4 movable back and forth by a lock key or some other actuator. 2, and side members 8 attached to the body portion 5 below the hook parts 6.

In the situation of Figure 1, the door lock is in the open position and the hook bar 4 in its free position 5 inside the lock body 2. Also inside the lock body is a control element 10 which acts on the branch 6a of the U-shaped hook parts 6 and holds the hook parts 6 in a position which allows the hook axle 4 to be moved out of the lock body 2.

Figure 3 relates to two situations. When moving the hook bar 4 out of the lock body 2, the arm portion 6a of the hook parts contacts the inner surface of the chest plate 3, whereby the hook members 6 rotate about the pin 7 from the opening 11a of the counter plate 11 to the locked position shown in FIG. In case the hook bar 4 is moved away from the position of Fig. 4 into its free position within the lock body 2 15 in the situation of Fig. 3, the hook member 6a engages the guide element 10, forcing the hook members to rotate

As shown in Figure 2, the hook parts 6 and the side elements 8 are mounted on either side of the frame part 5 of the hook axle • ♦ · * · 1 ·] 4. However, the body portion 5 is slightly wider in length along the breast plate 3, and for this purpose, the opening 3a of the breast plate 3 also has recesses 3b. This arrangement guarantees ♦ ♦ · ·· 1 · Stronger strength properties for the hook axle 4 and chest 3 • · '2 25 for lateral tensile loading.

• · ·

For this purpose, the barrier members 9 provided on each side of the body 5 serve, in tension loading, independently of the branches • 1 \ v 6a of the hooks of the hitches, to resist pulling the hitches out of the lock body 2. 30 on the 3 sides of the breastplate as well equipped as possible: 3: against tensile load breaking.

· «· • · · 2 • · · · · 3 · 5

It will be appreciated that the counter plate opening 11a may also advantageously be provided with recesses corresponding to the recesses 3b of the chest plate opening 3, which accordingly further improves the ability of the counter plate opening to resist tensile loading.

The surfaces 8a of the hinge portions 8 of the side elements 8 of the hinged body 5 are designed to allow, on the one hand, rotational movements of the hooks 6 but, on the other hand, due to the additional material they bring.

The invention is not limited to the embodiments shown, but many variations are conceivable within the scope of the appended claims.

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Claims (8)

A door lock (1) having a lock body (2) provided with a breast plate (3), comprising 5 hooks (4) movable between a locking key and a free position and arranged to cooperate with a counter plate (11) in the door frame in its position, the hook axle (4) is inserted from the opening (11a) of the counter plate and its hook part (6) is rotated towards the inner surface of the counter plate (11), the hook element (4) having a plate-like body (5) (6) and extending in the locking position of the hook axle (4) together with the hooks (6) into the opening (11a) of the counter plate, characterized in that the body (5) is provided with side elements (8) arranged on the hooks (6) the body of the body (5) and the hooks (6) in the locking position of the hook axle (4) is substantially arranged to fill the opening (11a) of the counter plate 15, and that the body (5) is longitudinal to the breast plate (3) The nose is dimensioned such that, in its locking position, it is wider than the rest of the hinge barrel (4a) at the chest opening (3a), wherein the chest opening (3a) has a separate recess (3b) for the body portion (5). 20 • · · Door lock according to Claim 1, characterized in that the body part • ♦ · / / (5) comprises barrier means (9) arranged in the longitudinal direction of the body part (5) • · · · i1: #: ) on both sides and arranged • · ·: with respect to the opening (3a) of the chest plate so as to prevent the hook (4) • · • ”25 from being pulled out of the lock body (2) beyond its normal locking position. • · • · · * · '· 1 Door lock according to Claim 1 or 2, characterized in that, in a manner known per se, the hinge parts (6) are substantially U-shaped and: T: 30 that said side elements (8) are shaped (8a) to allow the hinge parts (6) ): 3: Rotational movements. • · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · | A door lock according to claim 3, characterized in that a control element (10) is arranged inside the lock body (2) and cooperates with the inner leg (6a) of the hook parts (6) so that when pulling the hook bar (4) 6) rotation 5 only relative to the plate opening (11a) to a position where the hooks (4) can be pulled out of the counter plate opening (11a). 10 5. Dörrläs (1) som har et läshus (2) med en stolpe (3), omfattande en med en nyckel account you enter mellan et lasande respektive frit flew förflyttbar hoodol (4) som å anordnad att samverka med en motplät (11) dörrkarmen sa att hakolven (4) sitt lasande fage finns inskjuten genom en öppning (11a) i motpläten och har sinch (6) vriden i riktning mot motplätens (11) 15 innersta, color hoodolven (4) omfattar en skivformig stomdel (5) ), bada sidorna av vilken har vridbart lagrade hakdelar (6) och som i hakolvens (4) lasande slants tillsammans med hakdelarna (6) sträcker sig in i öppningen (11a) i motpläten, kännetecknat av att stomdelen (5) är försedd med vid hakdelarna (6) anordnade binder (8) som tillsammans med stomdelen 20 (5) och hakdelarna (6) anordnade att i holvolvens (4) lase source • · · *** \ väsentligen fylla öppningen (11a) i motpläten, och att stomdelen (5) yo · · · / / dimensionerad i stolpens (3) längdriktning att den i sitt lasande lage vid en • · · j ·· · öppning (3a) i Stolpen å den övriga delen av hakolven (4), • «· j ·· ': varvid öppningen (3a) i Stolpen omfattar en separat fördjupning (3b) för • ·: ** 25 stomdelen (5), Heist i Bade övre och nedre kanten av öppningen. • · • · • · · 6. Dörrläs enligt patentkrav 1, kännetecknat av att stomdelen (5) omfattar (9) somär anordnade patar av stomdelen (5) i stolpens «· · '··· 1 '(3) längdriktning och som är anordnade ä i förhällande account öppningen (3a) i: T: 30 Stolpen att de förhindrar dragning av hakolven (4) ut ur läshuset (2) längre än till dess normal läsande fj. · «· • · • · · • ♦ ♦ • ·· ♦« • · The dörrläs enligt patent krav 1 eller 2, the turning pattern of the att hdelarna (6) is provided with a U-formade och attnad binding element (8) or a transformer (8a) att without a vridrörelser at hakdelarna (6). 5 8. Dörrläs enligt patentkrav 3, kännetecknat av att i läshuset (2) and anordnat et styrelement (10) som or anordnat att samverka med den inre Grenen (6a) head harrow (6) sa att det vid indragning av hakolven (4) far hakdelarna (6) att vrida sig i förhallande account öppningen (11a) i motpläten account that där hakolven (4) kan dras ut ur öppningen (11a) i motpläten. 10 · «« · Iti • t • • • • • • • • • • • • • • • • · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 • · · • # · • · · ♦ · ·