KR102377429B1 - Door lock with built-in anti-slip hook deadbolt - Google Patents

Abstract

The present invention discloses a door lock equipped with a deadbolt with a built-in anti-slip hook.
The present invention provides a door lock equipped with a deadbolt with a built-in anti-slip hook configured so that the protruding state of the fixing hook built into the deadbolt can be firmly maintained during locking and the fixing hook does not transmit shock in the direction of releasing the deadbolt. It is done.

Description

Door lock with built-in anti-slip hook deadbolt}

The present invention relates to a door lock equipped with a deadbolt with a built-in anti-slip hook. In particular, it relates to a door lock with a deadbolt with a built-in anti-slip hook that allows the hook protruding from the deadbolt to be firmly fixed.

As is well known, mortises or door locks with deadbolts with built-in hooks have been known in the past, a representative example of which is Republic of Korea Patent Publication No. 10-2011-0135078 (title of the invention: hook-type door lock; hereinafter referred to as ' There is a ‘cited invention’).

As shown in Figures 1 and 2, this cited invention includes a latch bolt (37) that is unlocked by an inner latch handle (51) and an outer latch handle (55) in a mortise case (35) inserted into the door. In a door lock equipped with a deadbolt (3), which is locked and unlocked by a deadbolt operating lever (91) driven by an electric motor,

A support shaft 33 fixed to the case 35 is provided at a certain point above the deadbolt movement path inside the mortise case 35, and the upper end of the ⊃-shaped hook 27 is rotatable on the support shaft 33. By combining, the hook 27 hangs downward around the support shaft 33,

The head of the deadbolt (3) accommodates the hook (27) inside in the unlocked position, and when the locking progresses, the hook (27) is moved from the rear around the support shaft (33) by the inner wall (11). This is a hook-type door lock, which is characterized by forming a thrust pocket (9) that pushes the lower end of the hook (27) to rotate and protrude upward.

In this cited invention, the deadbolt (3) pushes the hook (27) to protrude, so when a tool is inserted into the gap between the striker (23) and the mortise (1) and struck strongly, the hook (27) reverses the deadbolt (3). There is a problem that it can be forced to be released by pushing, and when the end of the protruding hook (27) is pressed, it is not firmly fixed and there is a problem that the deadbolt (3) is pushed back due to clearance or generates noise.

Republic of Korea Patent Publication No. 10-2011-0135078

In order to solve this problem, the purpose of the present invention is to provide a door lock equipped with a deadbolt with a built-in anti-slip hook that ensures that the protruding state of the fixing hook built into the deadbolt is firmly maintained during locking.

In addition, the present invention provides a door lock equipped with a deadbolt with a built-in anti-slip hook configured to prevent the fixing hook built into the deadbolt from transmitting shock in the direction of releasing the deadbolt.

In order to achieve this purpose, the present invention is a door lock provided with a deadbolt operated by a lever of a door lock and a fixing hook built into the deadbolt and protruding from the deadbolt when the deadbolt is fastened to the strike,

an anti-slip portion formed on one surface of the fixing hook facing an insertion direction opposite to the protruding direction in which the fixing hook protrudes; A sliding support hardware that is moved inside the deadbolt to support the anti-slip portion of the fixing hook by the operation of the lever; It is composed,
The sliding support hardware includes a head that supports the anti-slip portion of the fixed hook and secures the fixed hook; A sliding guide hole that guides and fixes the sliding support hardware so that it can move back and forth in a certain direction inside the deadbolt; An interlocking part having a separation distance longer than the width length of the multi-stage protrusion of the lever so that the sliding support hardware is moved by the lever when the lever is operated over a certain distance; This was done by providing a door lock equipped with a built-in deadbolt and an anti-slip hook.

In this way, in the present invention, the fixing hook built inside the deadbolt moves with the deadbolt when striking and protrudes from the inside of the strike to the outside of the deadbolt, and then the sliding support hardware built inside the deadbolt pushes the fixing hook. By supporting the prevention portion, the protruding state of the fixing hook can be firmly maintained during clamping, which has the useful effect of maintaining a stable clamping state, and the fixation of the fixing hook does not depend on a deadbolt or housing. Since the sliding support hardware directly supports and secures the fixing hook in the direction in which it is inserted into the deadbolt, even if the fixing hook receives a strong impact in the insertion direction, the fixing hook will not operate in the direction of releasing the deadbolt. It has a useful effect in preventing illegal release.

Figures 1 and 2 are front views showing the configuration of the cited invention.
Figure 3 is a front view showing the overall configuration of a specific embodiment of a door lock equipped with a deadbolt with a built-in anti-slip hook according to the present invention.
Figure 4 is a configuration diagram showing the internal configuration of a deadbolt of a specific embodiment of a door lock equipped with a deadbolt with a built-in anti-slip hook according to the present invention.
Figures 5 and 6 are explanatory diagrams showing the operation of a specific embodiment of a door lock equipped with a deadbolt with a built-in anti-slip hook according to the present invention.
Figure 7 is a perspective view illustrating a deadbolt of a specific embodiment of a door lock equipped with a deadbolt with a built-in anti-slip hook according to the present invention.
Figure 8 is a front view illustrating a fixing hook of a specific embodiment of a door lock equipped with a deadbolt with a built-in anti-slip hook according to the present invention.
Figure 9 is a front view illustrating the sliding support structure of a specific embodiment of a door lock equipped with a deadbolt with a built-in anti-slip hook according to the present invention.

With reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention, and the components of each drawing illustrated herein are In consideration of convenience of understanding, the size or thickness is exaggerated, thick, large, small, thin, or simplified, but the scope of protection of the present invention should not be construed as limited thereby.

In addition, the terms used in this specification are only used to describe specific embodiments and are not intended to limit the present invention, and terms such as ~include~ or ~consist of~ refer to features, numbers, steps, and operations described in the specification. , is intended to specify the existence of a component, part, or combination thereof, but does not preclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof. It should be understood that, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having meanings consistent with the meanings they have in the context of the related technology, and unless clearly defined in the present application, should not be interpreted in an ideal or excessively formal sense. No.

In addition, in explaining the door lock equipped with the deadbolt 300 with a built-in anti-slip hook according to the present invention, for convenience, if the approximate direction is specified with reference to the plan view of FIG. 3, which is a representative drawing, the deadbolt 300 is struck ( 100) is the front, the opposite of the front is the rear, and the direction in which the fixing hook 500 protrudes when the deadbolt 300 is inserted into the strike 100 is the protrusion direction, which is opposite to the protrusion direction. is the insertion direction, and in the detailed description and claims related to other drawings, the direction is specified and described according to this standard, unless otherwise specified.

The overall configuration of a specific embodiment of a door lock equipped with a deadbolt 300 with a built-in anti-slip hook according to the present invention is shown in Figures 3 and 4.

As can be seen from this, the door lock equipped with the deadbolt 300 with a built-in anti-slip hook according to the present invention includes a deadbolt 300 operated by the lever 400 of the door lock, and the deadbolt 300. It is provided with a fixing hook 500 that protrudes when the deadbolt 300 is fastened to the strike 100,

A slip prevention portion 540 formed on one surface of the fixing hook 500 facing an insertion direction opposite to the protruding direction in which the fixing hook 500 protrudes;

Inside the deadbolt 300, a sliding support hardware 600 may be configured to be moved to be supported on the anti-slip portion 540 of the fixing hook 500 by the operation of the lever 400.

To explain this in more detail for each component, the fixing hook 500 protrudes into the inside of the housing 200 casing the deadbolt 300, as specifically illustrated in FIGS. 4 to 6 and 8. When clamped, the fixing hook 500 rotates around the rotation axis 520 of the fixing hook 500 as it moves along with the deadbolt 300 and is supported by a part of the housing 200 to secure the outside of the deadbolt 300. an operating protrusion 530 that causes the fixing hook 500 to protrude;

The protruding fixing hook 500 protrudes from the body 510 of the fixing hook 500 in the insertion direction in which it is inserted into the deadbolt 300, so that the fixing hook 500 is supported by the sliding support hardware 600. The anti-slip portion 540 may be configured to block movement of the fixing hook 500 in the insertion direction as much as possible.

In addition, the anti-slip portion 540 includes a protrusion 541 protruding in the insertion direction of the fixing hook 500 so that the fixing hook 500 is supported on the sliding support hardware 600 moved by the operation of the lever 400. ,

A groove 542 may be formed to allow the fixing hook 500 to rotate in the insertion direction as soon as the sliding support hardware 600 supported on the protrusion 541 falls from the protrusion 541,

As specifically illustrated in FIGS. 4 to 6 and 9, the sliding support hardware 600 supports the anti-slip portion 540 of the fixing hook 500 and has a head 610 that secures the fixing hook 500. ) and a sliding long hole 620 that guides and fixes the sliding support hardware 600 so that it can move back and forth in a certain direction inside the deadbolt 300, and when the lever 400 operates over a certain distance, the lever ( The linkage part 630 may be configured to have a separation distance longer than the width of the multi-stage protrusion 410 of the lever 400 so that the sliding support structure 600 is moved by the lever 400.

In the door lock equipped with the anti-slip hook-embedded deadbolt 300 according to the present invention, as the lever 400 is rotated electro-electrically or manually, the first-stage protrusion 411 of the multi-stage protrusions 410 of the lever 400 The deadbolt 300 is moved by moving and pushing along the operating guide 310 of the deadbolt 300, and accordingly, the deadbolt 300 is inserted forward into the strike 100 and locked or released backward. This can be done, and when the deadbolt 300 is operated in this way, the fixing hook 500 and the sliding support hardware 600 built into the deadbolt 300 are also moved, but the deadbolt 300 is struck (100). In the case of being inserted forward and locked, as shown in FIGS. 4 and 5, the operating protrusion 530 of the fixing hook 500 built into the deadbolt 300 is caught inside the housing 200 and the fixing hook 500 ) By rotating the fixing hook 500 around the rotation axis 520, the fixing hook 500 built inside the dead bolt 300 protrudes to the outside of the dead bolt 300, and then the dead bolt 300 The sliding support hardware 600 built into the bolt 300 pushes the fixing hook 500 by the linking portion 630 of the sliding support hardware 600 connected to the multi-stage protrusion 410 of the lever 400. It is moved to be supported by the prevention portion 540 to block the fixing hook 500 from moving in the insertion direction.

In addition, when unlocking, as illustrated in FIG. 6, as the lever 400 rotates in reverse, the second-stage protrusion 412 of the multi-stage protrusions 410 of the lever 400 is connected to the linked portion ( As the sliding support hardware 600 moves by pushing out 630, the first-stage protrusion 411 of the multi-stage protrusions 410 of the lever 400 moves along the operating guide 310 of the deadbolt 300. The deadbolt 300 is retracted by pushing (300), and at this time, if the sliding support hardware 600 moves and leaves the protrusion 541 of the anti-slip portion 540 of the fixing hook 500, the anti-slip portion ( The groove portion 542 of 540) forms a space so that the fixing hook 500 can be immediately moved in the insertion direction, and this fixing hook 500 always moves the fixing hook 500 in the insertion direction. It may be provided with an elastic body.

Here, the sliding support hardware 600 built inside the deadbolt 300 is installed inside the deadbolt 300 through the sliding long hole 620, so the deadbolt 300 is as long as the sliding long hole 620. ), and the second-stage protrusion 412 of the multi-stage protrusions 410 of the lever 400 that moves the sliding support hardware 600 is the first-stage protrusion 411 that moves the deadbolt 300. It is smaller in size and has a different shape, making sequential operations as described above possible. That is, the first-stage protrusion 411 of the multi-stage protrusion 410 has a hexahedral shape, and the circumference of the first-stage protrusion 411 is in contact with the operating guide 310 of the deadbolt 300 illustrated in FIG. 7. The deadbolt 300 is pushed out, and the two-stage protrusion 412 of the multi-stage protrusion 410 is spherical and moves to the linear linkage part 630 with a separation distance to move and push the sliding support hardware 600. moving it.

In this invention, the fixing hook 500 built inside the deadbolt 300 moves with the deadbolt 300 when struck and protrudes from the inside of the strike 100 to the outside of the deadbolt 300, and then the deadbolt. Since the sliding support structure 600 built into the inside of 300 supports the anti-slip portion 540 of the fixing hook 500, the protruding state of the fixing hook 500 can be firmly maintained during clamping, making it stable. The locked state can be maintained, and the fixation of the fixing hook 500 does not depend on the deadbolt 300 or the housing 200, and the fixing hook 500 is inserted into the deadbolt 300. Since the sliding support hardware (600) directly supports and fixes in the direction in which the deadbolt (300) is released, the fixing hook (500) does not operate in the direction of releasing the deadbolt (300) even if it receives a strong impact in the insertion direction of the fixing hook (500). This means that illegal release can be prevented.

In the above, the technical idea of the present invention has been described along with the accompanying drawings, but this is an illustrative description of the best embodiment of the present invention and does not limit the present invention, and any person skilled in the art will It is a clear fact that anyone can make various modifications and imitations of dimensions, shapes, and structures without departing from the scope of the technical idea of the present invention, and such modifications and imitations are included in the scope of the technical idea of the present invention.

100:Strike 200:Housing 300:Deadbolt
310: Operation guide 400: Lever 410: Multi-step projection
411: 1-step protrusion 412: 2-step protrusion 500: Fixed hook
510: Body 520: Rotating axis 530: Operating protrusion
540: Sliding prevention part 541: Protrusion part 542: Groove part
600: Sliding support hardware 610: Head 620: Sliding cabinet hole
630: Linkage part

Claims (4)

In a door lock equipped with a deadbolt operated by a lever of a door lock and a fixing hook built into the deadbolt that protrudes from the deadbolt when the deadbolt is fastened to the strike,
an anti-slip portion formed on one surface of the fixing hook facing an insertion direction opposite to the protruding direction in which the fixing hook protrudes;
Inside the deadbolt, a sliding support structure is formed to support the anti-slip portion of the fixing hook by the operation of the lever,
The sliding support hardware includes a head that supports the anti-slip portion of the fixing hook and fixes the fixing hook, a sliding length hole that guides and fixes the sliding support hardware so that it can move back and forth in a certain direction inside the deadbolt, and a lever that is fixed. A door lock equipped with a deadbolt with a built-in anti-slip hook, characterized in that the linkage part has a separation distance longer than the width of the multi-stage protrusion of the lever so that the sliding support hardware is moved by the lever when the distance is exceeded. According to claim 1,
The fixing hook protrudes into the inside of the housing that casings the deadbolt, moves with the deadbolt when clamped, and is supported by a part of the housing, so that the fixing hook rotates around the rotation axis of the fixing hook and the fixing hook moves to the outside of the deadbolt. An operating protrusion that protrudes,
An anti-slip hook, characterized in that the protruding fixing hook protrudes in the insertion direction into which the deadbolt is inserted, so that the fixing hook is supported by the sliding support hardware, and is comprised of an anti-slip portion that blocks movement of the fixing hook in the insertion direction. Door lock with built-in deadbolt. According to claim 1,
The fixing hook protrudes from the deadbolt when the deadbolt enters the strike and is fastened, and is inserted into the deadbolt when the deadbolt comes out of the strike and is released,
The anti-slip portion provided on the fixing hook includes a protrusion protruding in the insertion direction of the fixing hook so that the fixing hook is supported on the sliding support hardware moved by the operation of the lever,
A deadbolt with a built-in anti-slip hook is provided, characterized in that a groove is formed on one side of the protrusion so that the sliding support iron supported on the protrusion falls away from the protrusion so that the fixing hook can be rotated in the insertion direction when the deadbolt is released. door lock.
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