KR20180114839A - Driving assembly for lever type door lock - Google Patents

Abstract

The present invention discloses a driving assembly of a lever type door lock. Since the driving assembly of a lever type door lock can be installed in an installation hole, a device can be miniaturized with generality, and a weak spot is prevented from being generated at the inside of a door. The present invention relates to the driving assembly of a lever type door lock arranged in the installation hole perforated in the door and driving a latch assembly, comprising: a mounting module formed in a shape corresponding to the installation hole, and located within the installation hole; and a motor portion composing a part of the mounting module and installed with a driving motor and at least one gear portion.

Description

Technical Field [0001] The present invention relates to a driving assembly for a lever-type door lock,

The present invention relates to a drive assembly for a lever-type door lock, and more particularly to a drive assembly for a lever-type door lock installed in a bored installation hole.

Generally, a lever-type door lock is installed in a space (for example, a room or a bathroom) provided in a home to arbitrarily control an entrance. The door lock rotates either the indoor lever or the outdoor lever so that the latch bolt constituting the latch actuating body of the door lock is pulled out from the strike provided on the door frame to set or release the lock to perform the function of the locking device .

On the other hand, the lever type door lock can be divided into a door lock which can largely divided and lock and unlock the door only, and a door lock which locks and unlocks the door from the inside and locks and releases by the key from the outside.

In the latter case, a latch and a lever different from the lever for opening and closing the door are separately configured to perform respective functions. In the case of an electronic door for locking and unlocking the door only from the inside, the latch and lever parts for opening and closing the door And are engaged with each other.

Fig. 1 is a state diagram showing an installation state of a conventional lever-type door lock. 1, a conventional lever-type door lock is installed such that an installation hole H having a diameter of about 54 mm is drilled in the door D and a latch operation body 1 is installed in the hole H . At this time, the latch bolt 1a is pulled out from the door D toward the leading end side of the latch actuating body 1, whereby the lock state of the door D can be set. A mounting hole 1b into which a drive shaft (not shown) for driving the latch bolt 1a is inserted is formed at the distal end side of the latch actuating body 1. [

However, the conventional lever-type door lock has to be punched in the door D by about 54 mm, and the latch operating body 1 is installed inside the installation hole H, The remaining space excluding the part of the latch actuating body 1 becomes an unnecessary space (empty space), which is a weak area which lowers the durability of the door D.

In addition, in the conventional lever-type door lock, since the connecting body for connecting the latch actuating body 1 and the external driving part is provided outside the door D, the miniaturization of the apparatus is hindered. In general, And the driving unit is different according to the door lock model, which can not be compatible with each other.

<Prior Art 1> Korean Patent Laid-Open Publication No. 2016-0016983 (Publication Date: February 15, 2016)

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and it is an object of the present invention to provide a lever capable of being installed inside a mounting hole to enable miniaturization of the device, Shaped door lock assembly.

According to an aspect of the present invention, there is provided a driving assembly for a lever-type door lock which is disposed in a perforated installation hole and drives a latch operating body, the driving assembly comprising: A mounting module positioned; And a motor portion constituting a part of the mounting module and having a drive motor and at least one gear portion therein.

The mounting module may have an annular outer circumferential surface.

The mounting module may be formed with a mounting groove in which a part of the latch actuating body is received.

The mounting module may include a fixing portion for supporting an upper surface of the latch actuating body, the fixing portion being formed of a plurality of fixing portions protruding from the body of the mounting module, have.

The upper surface of the motor unit may have a curved surface.

The motor unit may be mounted with a case for protecting the drive motor and the gear unit.

The mounting module may further include at least one shaft through which the shaft is mounted, a drive plate connected to the drive motor through the gear portion, at least a portion of the outer circumferential surface being formed with an outer gear and rotating the shaft.

Wherein the plurality of speed reduction gears are gear-connected to each other, wherein the gears connected to the drive plate are formed of worm gears, and the worm gears are installed in a state of being elastically supported by springs on the rotation shafts of the other gears have.

A PCB may be mounted in the mounting module and a guide channel may be formed on the inner circumferential surface of the mounting module to guide and guide the wire connected to the PCB along the inner circumferential surface of the mounting module.

Further, the present invention provides a driving assembly of a lever-type door lock which is disposed in a mounting hole formed in a door and drives a latch actuating body, the mounting assembly comprising: a mounting module having a shape corresponding to the mounting hole and located in the mounting hole; And a motor part constituting a part of the mounting module and having a drive motor and at least one gear part therein, wherein the mounting module includes a drive assembly of a lever-type door lock having a mounting part for receiving and seating a part of the latch actuating body / RTI &gt;

According to the present invention, it is possible to utilize a space formed on a mounting surface as an installation space, thereby making it possible to downsize the entire device, and avoiding a design limitation since a space for installing a separate drive assembly outside the door is not taken into consideration There is an effect that can be.

Further, according to the present invention, since the driving assembly is buried in the empty space of the installation hole existing as an empty space after the installation, it is possible to prevent the formation of the weak area on the door, and the driving assembly is directly connected to the latch operation body, So that it can be applied to various conventional lever-type door locks, thereby improving the versatility.

1 is a state diagram showing a state of installation of a conventional lever-type door lock,
FIG. 2 is a perspective view illustrating a state in which a driving assembly of a lever-type door lock according to an embodiment of the present invention is coupled to a latch operating body,
Figure 3 is a perspective view of Figure 2 from another angle,
FIG. 4 is an installation view of a driving assembly of a lever-type door lock according to an embodiment of the present invention;
5 is a front view of a drive assembly of a lever-type door lock according to an embodiment of the present invention;
Figure 6 is a side view of a drive assembly of a lever-type door lock according to one embodiment of the present invention;
FIG. 7 is a perspective view illustrating a rear side of a drive assembly of a lever-type door lock according to an embodiment of the present invention;
FIG. 8 is a partially cutaway state view showing an internal configuration of a drive assembly of a lever-type door lock according to an embodiment of the present invention;
9 is an internal structural view of a drive assembly of a lever-type door lock according to an embodiment of the present invention, and Fig.
10 is a mounting state of the modular motor unit of the driving assembly of the lever-type door lock according to the embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concept of the term appropriately in order to describe its own invention in the best way. The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention. Further, unless otherwise defined in the technical terms and the scientific terms used, those having ordinary skill in the art to which the present invention belongs have the same meaning as commonly understood. In the following description and the accompanying drawings, descriptions of known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted. The accompanying drawings are provided by way of example so that those skilled in the art can fully understand the spirit of the present invention. Therefore, the present invention is not limited to the following drawings, but may be embodied in other forms. In addition, like reference numerals designate like elements throughout the specification. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible.

2 to 4, the present invention is characterized in that the driving assembly 100 (see FIG. 4) is directly connected to the latch actuating body 20, and the driving assembly 100 is installed in the installation hole H (FIG. 1) Respectively. That is, the driving assembly 100 of the present invention is directly connected to the latch actuating body 20, and the driving assembly 100 has a shape and an area and a shape corresponding to the mounting hole H, (H).

Specifically, the latch actuating body 20 is provided with a latch bolt 21 at its tip end so as to be able to be drawn out. Further, a mounting plate (30) is fitted to the tip end of the latch actuating body (20). The mounting plate 30 is fixed to the side surface of the door D as shown in Fig. On the other hand, the latch actuating body 20 is provided with a turning portion 25 (FIG. 3) for pulling out the latch bolt 21 by rotation. The second shaft (42) of the drive assembly (100) is fitted to the pivot portion (25).

The driving assembly 100 includes a motor unit 10 mounted on the upper part and a mounting module 50 mounted on the lower part. A cover plate 51 is mounted in front of the mounting module 50. The motor unit 10 has a first case 10a and a second case 10b which are coupled to each other by means of fastening means 11 and whose shape is aligned with the inner circumferential surface of the installation hole of the door D And the upper surface is configured to form a gentle curved surface.

The mounting module 50 is provided with a pair of fixing posts 43. The fixing post 43 is fastened to the handle shaft cover (not shown) and functions to fix the driving assembly 100 to the inside of the door D (in the installation hole). On the other hand, the mounting module 50 has an annular outer circumferential surface so as to have a circular shape as a whole when the motor portion 10 is mounted on the upper portion. Thus, the mounting hole H corresponds to the mounting hole H of the door D, and the mounting hole H is provided. The second shaft 42 of the driving assembly 100 is fitted in the turning portion 25 of the latch actuating body 20 when the latch actuating body 20 is mounted on the driving assembly 100. [ The second shaft 42 is rotated by the driving of the motor unit 10 and the rotary unit 25 is rotated by this rotational force so that the latch bolt 21 can be pulled out or pulled out.

Referring to Figs. 5 to 7, the present invention is mounted on the upper portion of the circular mounting module 50 with the motor portion 10 mounted thereon. At this time, the motor unit 10 is provided with a drive motor 15a (FIG. 8) and gear portions 16a, 16b, 16c, 18, and these cases are protected by the cases 10a, 10b. At this time, the hook protrusions 11a are fixed to the case 10a, 10b by fastening the hook protrusions 11a to the connection end 11b. A guide channel 52 is formed in the mounting module 50 and a wire W is placed in the guide channel 52 to guide the wire W along the guide channel 52 of the mounting module 50 To be pulled out.

On the other hand, the mounting module 50 is formed with a mounting groove 56 in which the latch actuating body 20 is placed laterally. A second shaft 42 is provided at the center of the mounting groove 56. A fixing portion 15 is formed at an upper side of the mounting groove 56. A motor portion 10 (See Fig. 7). The fixing portion 15 serves as a fixing surface for preventing the latch actuating body 20 from flowing after being mounted as an area which is in close contact with the outer peripheral surface of the latch actuating body 20 when the latch actuating body 20 is mounted. That is, the mounting groove 56 is provided in the form of a concave straight groove formed in the mounting module 50 in the horizontal direction so as to function as a fixing surface for supporting the upper and lower surfaces of the latch actuating body 20.

A cover plate 51 is mounted on the front side of the mounting module 50. A first shaft (41) is provided at the center of the cover plate (51). Here, the first shaft 41 is coaxially connected to the second shaft 42, and they can be connected to each other by the clutch mechanism and interlocked or short-circuited.

Referring to FIG. 8, a drive plate 19 is formed inside the mounting module 50, for example, rotating or independently rotating in a state where the first shaft 41 is clutch-on, An outer gear 19a is formed on a part of the outer circumferential surface of the outer ring 19. On the other hand, a driving motor 15a is installed on the upper part of the mounting module 50. A first gear 16a is provided on the output shaft of the driving motor 15a. The first gear 16a is connected to the second gear 16b, And the third gear 16c, and drives the worm gear 18 by the decelerated rotational force. When the worm gear 18 is driven at the constant reduction ratio, the outer gear 19a geared to the worm gear 18 is moved to rotate the driving plate 19.

When the drive plate 19 is rotated as described above, the first shaft 41 and the second shaft 42 are rotated to rotate the rotary portion 25 of the latch actuating body 20 connected to the second shaft 42, So that the latch bolt 21 can be pulled in or pulled out from the latch actuating body 20.

At this time, a spring S is mounted on the rotating shaft of the third gear 16c, and the worm gear 18 is elastically supported by the third gear 16c by the spring S. The reason why the spring S is mounted on the rotation shaft of the third gear 16c is that the reaction force generated when the drive plate 19 is rotationally driven in the engagement state of the shaft or the like of the handle shaft is transmitted to the drive motor 15a It is for buffering.

A PCB P is mounted inside the mounting module 50 and a plurality of sensors S1 and S2 are mounted on the PCB P. In addition, the drive plate 19 is formed with a sensing piece 19c extending in one direction so that the sensing piece 19c is rotated when the drive plate 19 is rotated. The rotation of the sensing piece 19c can be sensed through the first sensor S1 and the second sensor S2 and the state of the latch bolt 21 with respect to the drawn state (locked state) or the drawn state (unfolded state) A signal can be transmitted to the control unit.

10A and 10B, the first and second cases 10a and 10b of the motor unit 10 are fastened to each other and a mounting protrusion 55a is formed on the side surfaces of the cases 10a and 10b And these cases 10a and 10b can be easily installed by being fitted in the inner groove 55b formed in the upper opening area of the mounting module 50 in a state where they are coupled to each other.

That is, in the present invention, the motor unit 10 is modularized with the driving motor and the gear units mounted therein, and is easily fixed on the mounting module 50.

In the present invention having such a configuration, the driving assembly 100 is disposed in the installation hole H of the pierced door when the lever-type door lock is installed, and the latch bolt (21) can be drawn in or drawn out. Accordingly, the installation hole H formed in the door can be utilized as an installation space, thereby making it possible to downsize the entire device and freely designing it because it is not necessary to consider a space for installing a separate drive assembly outside the door. In addition, it is possible to prevent the formation of the fragile area on the door D by embedding the driving assembly 100 in the installation hole existing as a vacant space after the conventional installation. In addition, since the driving assembly 100 is directly connected to the latch actuating body 20 and is installed in the installation hole H of the perforated door D, it can be applied to various conventional lever-type door locks, have.

While the present invention has been particularly shown and described with reference to the particular embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

10:
10a: First case
10b: the second case
15:
15a: drive motor
16a: First gear
16b: the second gear
16c: third gear
18: Worm Gear
19: drive plate
19a: Outer gear
19c: Detection piece
20: latch actuating body
21: Latch Bolt
25:
30: Mounting plate
41: First shaft
42: Second shaft
43: Fixed posts
50: mounting module
51: Cover plate
52: Information channel
100: drive assembly

Claims (8)

A drive assembly for a lever-type door lock which is disposed in an installation hole formed in a door and drives a latch operating body,
A mounting module having a shape corresponding to the mounting hole and located in the mounting hole; And
And a motor part constituting a part of the mounting module and including a driving motor and at least one gear part. The method according to claim 1,
The mounting module includes:
Wherein a mounting groove is formed to receive a part of the latch actuating body. 3. The method of claim 2,
The mounting module includes:
A fixing portion for supporting an upper surface of the latch actuating body is formed to protrude,
Wherein the fixing unit is formed of a plurality of fixing parts protruding from the body of the mounting module,
And the motor part is located between the fixing parts. The method according to claim 1,
Wherein the motor unit is mounted with a drive motor and a case for protecting the gear unit. The method according to claim 1,
At least one shaft being mounted through the mounting module,
Wherein an outer gear is formed on at least a part of an outer circumferential surface of the drive plate so that the drive plate is connected through the drive motor and the gear portion to rotate the shaft. 6. The method of claim 5,
The gear portion includes a plurality of reduction gears that are gear-
Wherein one of the gears connected to the drive plate is a worm gear,
Wherein the worm gear is installed in a state of being elastically supported by a spring on a rotary shaft of another reduction gear. The method according to claim 1,
A PCB is mounted inside the mounting module,
Wherein a guide channel is formed on an inner circumferential surface of the mounting module to guide and guide an electric wire connected to the PCB along an inner circumferential surface of the mounting module. A drive assembly for a lever-type door lock which is disposed in an installation hole formed in a door and drives a latch operating body,
A mounting module having a shape corresponding to the mounting hole and located in the mounting hole; And
And a motor part constituting a part of the mounting module and having a drive motor and at least one gear part therein,
Wherein the mounting module is formed with a mounting portion in which a portion of the latch actuating body is received and seated.

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