KR101802481B1 - Secondary door lock device that improves the structure of the installation - Google Patents

Abstract

The present invention relates to a door lock device for a door lock device and an internal body of the door lock device, which can be easily engaged and disassembled without being screwed together. The electronic door lock device having no emergency key or the electronic door lock In order to be applicable to all of the apparatuses, an external body 10 provided with a keypad and provided outside the door, an internal body 20 which can be opened and closed in the room and interlocked with the motis, And an inner bracket (40) interposed inside the door for final engagement of the inner body. The inner body (20) has a plurality of engaging projections (22 And the engaging protrusions 42, which are opposed to the engaging protrusions 22, are formed in the same number of rows, And the protruding portion 44 is formed by bending the protruding portion 44 into the fixing groove 46. The protruding portion 24 of the inner main body 20 is formed with a fixing protrusion 44. [ (50) formed of a plate spring (54) protruding from the inner body (52), and the engaging protrusions between the inner body and the inner bracket, the fixing grooves and the fixing protrusions are fastened and fixed by one- Is maintained.

Description

[0001] The present invention relates to a secondary door lock device,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a door lock apparatus for restricting the opening and closing of a door, and more particularly to an auxiliary door lock apparatus having an outer body installed on a door and an inner bracket and an inner body .

As is well known, the door lock device can be divided into a mechanical type which locks the lock of a door in a classic way and an electronic type which unlocks by a setting password.

Such a door lock apparatus is divided into a main key having a latch bolt that restricts door opening only, and an auxiliary key having a rectangular or circular deadbolt, which limits both closing and opening, without limitation of door closing.

The door lock device of the present invention is mainly applied to an auxiliary key. The auxiliary key includes an emergency key and a shaft having a shaft that performs a MORTISE drive. The Mortise drive is an electric type (solenoid or motor) Type.

Hereinafter, in the process of describing the present invention, the description will be made based on the electronic type used as the auxiliary key among the above-mentioned door locks. Unless otherwise specified, "door lock device" I understand it as a secondary locking device.

Of course, the present invention is not limited to the above-described electronic type, as will be described later.

A structure of a conventional auxiliary key lock device will be described.

According to the digital auxiliary door lock of Korean Patent Registration No. 341118, an external main body 10 and an internal main body 20 having a built-in motis and substantially locking and unlocking are provided. The external main body is connected to a connecting rod 30 As shown in Fig.

The connection rods 30 are made of a plurality of doors, and there is a difficulty in constructing a lot of holes in the door, and if the opening position is changed, there is a problem that a door lock construction failure occurs.

According to another disclosed technique taking the above problem into consideration, there are many subsequent inventions which additionally constitute an outer body, an inner body, and an inner bracket interposed inside the door for temporary provision of the outer body to the door and final coupling of the inner body The problem of the plural connection rod fastening as described above is partially solved.

One of them is a digital door lock of Korea Patent Registration No. 717688, in which a rubber pad and a fixing plate are overlapped to form an inner bracket, and the inner bracket is first fixed to the outer body or the door surface, and then the inner body is screw- .

However, as described above, in the process of fastening the inner bracket to the inner main body, the process of holding the inner main body by the operator and accurately positioning and screwing the inner main body is difficult if not skilled, and the screw tightening process is troublesome, .

KR 341118 B1 KR 717688 B1

Disclosure of Invention Technical Problem [8] The present invention has been made to solve the problems of the prior art, and it is intended to solve the following problems.

The present invention provides an auxiliary door lock apparatus which improves the construction for facilitating one-touch fastening and disassembly without fastening an inner bracket and an inner main body of a door lock apparatus provided in a door to a screw connection.

The present invention provides an auxiliary door lock apparatus which is improved in construction construction adapted to both an electronic door lock apparatus having no emergency key or an electronic door lock apparatus having an emergency key.

According to an aspect of the present invention, there is provided a door device comprising: an external body provided with a keypad and provided outside the door; an internal body that is openable and closable in the interior and interlocked with the motis; And an inner bracket interposed in the door to finally engage the main body, wherein the inner bracket and the inner main body are engaged with each other by a sliding or rotating mechanism, and an elastic fixing member To-one-touch coupling.

According to the present invention as described above, the inner bracket and the inner body of the door lock device provided in the door can be easily assembled and disassembled without being screwed into each other, so that it is possible to maximize convenience, The present invention can be applied to both a door lock device and an electronic door lock device having an emergency key so that the compatibility is very high and the construction time is greatly reduced.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a conventional auxiliary door lock device. FIG.
2 is an exploded perspective view showing a configuration as an embodiment of the present invention.
Fig. 3 is a cross-sectional view showing the one-touch engagement state of the invention of Fig. 2; Fig.
Figure 4 is a one-touch engagement flow chart of Figure 2 invention.
Fig. 5 is an operational state diagram showing the one-touch disassembly state of the invention of Fig. 2; Fig.
6 is an exploded perspective view showing a configuration as another embodiment of the present invention.
FIG. 7 is a cross-sectional view showing a coupled state of the invention of FIG. 6;
Figure 8 is a one-touch engagement flow chart of Figure 6 invention.

Hereinafter, the technical structure of the present invention will be described with reference to FIGS. 2 to 5.

In the description of the present invention, parts that are the same as those in the prior art are described with reference to the same reference numerals as those in the prior art, and the same reference numerals are used for the same components in the embodiments of the present invention.

An outer body 10 provided with a keypad and provided outside the door, an inner body 20 which can be opened and closed in the room and interlocked with the motis, The inner body 20 has a plurality of engaging protrusions 22 formed on an upper surface and a lower surface of the inner bracket opposite to the inner bracket and an escape portion 22 And the opposite inner bracket 40 is formed to have the same number of engaging protrusions 42 which are opposed to the engaging protrusions 22 so as to be slidably engaged with each other in the one direction, An elastic fixing means 50 composed of a leaf spring 54 protruding from a fixing protrusion 52 is formed on the escaping portion 24 of the inner main body 20, By screwing The lure is.

Of course, the engaging protrusions of the inner body 20 and the inner bracket 40, the fixing grooves 46, and the fixing protrusions 52 are engaged with each other by a linear slide, and are elastically fixed to each other so as to maintain a fastening force.

According to one embodiment of the present invention configured as described above, when the inner body 20 (20) is attached to the inner bracket 40 fastened with the outer body 10 and the door 60 interposed therebetween as shown in FIGS. 3 and 4, The engaging protrusions 22 and 42 are engaged with each other and then the fixing protrusions 52 of the elastic fixing means 50 are engaged with the fixing grooves 46 beyond the protrusions 44, The inner bracket 40 and the inner main body 20 can be easily fastened by one-touch operation.

Therefore, any screw connection for joining the two members can be eliminated.

In order to disassemble the leaf spring 54, the leaf spring 54 is inserted into the escaping portion 24 by inserting a hand tool such as a screwdriver into the tip of the leaf spring 54, So that the inner body 20 can be linearly moved in the reverse direction of assembling and disassembled (refer to FIG. 5).

Next, a configuration of another embodiment of the present invention will be described with reference to FIGS. 6 to 8. FIG.

The inner body 20a has a plurality of engaging protrusions 22 protruding from the outer surface of the inner bracket 40a at an equal distance in the radial direction with the emergency key operation shaft hole 48 as a center point, The opposite inner bracket 40a is formed with the same number of engaging protrusions 42a which are opposed to the engaging protrusions 22a so as to be engaged with each other by rotation with respect to the emergency key operating hole 48 And a plate spring 54 having a fixing protrusion 52 protruding therefrom is formed on the escaping portion 24 of the inner main body 20a by bending the protruding portion 44 formed with the fixing groove 46 And the elastic fixing means 50 is screwed.

Of course, the engaging protrusions between the inner body 20a and the inner bracket 40a, the fixing grooves 46 and the fixing protrusions 52 are engaged with each other by rotation and elastically fixed to maintain the fastening force.

According to another embodiment of the present invention configured as described above, the inner main body 20a (20a) is fitted to the inner bracket 40a in a state of being fastened with the outer body 10 and the door 60 interposed therebetween, The engagement protrusions 22a and 42a are engaged with each other and then the fixing protrusions 52 of the elastic fixing means 50 are engaged with the engaging protrusions 22a and 42a, The coupling between the inner bracket 40a and the inner main body 20a can be easily performed by one touch because the elastic force of the leaf spring 54 is retained by being coupled with the fixing groove 46 beyond the base 44. [

Therefore, any screw connection for joining the two members can be eliminated.

The protruding portion 46 is formed by protruding in a slope so as to extend beyond the fixing protrusion 52 to reach the fixing groove 46 and the fixing protrusion 52 is formed into a rounded shape so as to be useful for passing over the protruding portion 46 .

The above-described FIG. 2 invention applies to the auxiliary key of the type without the emergency key, and FIG. 6 can be applied to the auxiliary key of the type with the emergency key.

10: outer body 20, 20a: inner body
22, 22a, 42, 42a: engaging protrusion 24:
40, 40a: inner bracket 44: ridge
46: Fixing groove 48: Emergency key operation shaft
50: Elastic fixing means 52: Fixing projection
54: leaf spring

Claims (2)

An outer body 10 provided with a keypad and provided outside the door, an inner body 20 which can be opened and closed in the room and interlocked with the motis, And an inner bracket (40) interposed in the inner side of the door,
The inner body 20 has a plurality of engaging protrusions 22 formed on an upper surface and a lower surface of the inner body 20 facing the inner bracket and recesses 24 formed on one side thereof,
The protrusions 42 are formed in the same number as opposed to the engaging protrusions 22. The protrusions 42 are slidably engaged with each other in one direction and the protrusions 44 are formed in the protrusions 46, 40,
An elastic fixing means 50 comprising a leaf spring 54 protruding from a fixing protrusion 52 is screwed to the escape portion 24 of the inner body 20,
Wherein the engaging protrusions between the inner body and the inner bracket, the fixing grooves, and the fixing protrusions are one-touch linearly engaged and fixed so as to maintain the fastening force. An outer body 10 provided with a keypad and provided outside the door, an inner body 20 which can be opened and closed in the room and interlocked with the motis, And an inner bracket (40) interposed in the inner side of the door,
A plurality of engaging protrusions 22a are protruded at a radial equidistance from the center of the emergency key operating shaft hole 48 on one surface of the inner bracket opposite to the inner bracket and the escaping portions 24 are formed on both sides to form an inner body 20a ,
The engaging protrusions 22a are formed in the same number as the engaging protrusions 42a that are opposed to each other. The engaging protrusions 42a are formed so as to be engaged with each other with reference to the emergency key operation shaft hole 48, The base 44 is bent to form the inner bracket 40a,
An elastic fixing means 50 including a leaf spring 54 protruding from a fixing protrusion 52 is screwed into the escape portion 24 of the inner main body 20a and the inner main body 20a and the inner bracket 40a , The fixing grooves (46), and the fixing protrusions (52) are one-touch coupled by rotation and are elastically fixed to maintain a fastening force.

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