KR20190066437A - A mortise assembly having swing type latch bolt - Google Patents

Abstract

Disclosed is a mortise assembly with a swing type latch bolt, which prevents the latch bolt from getting stuck in the middle of a door frame during the movement of a door when opening and closing the door, and smoothly drives the latch bolt and a dead bolt. The present invention, in a body of a mortise assembly in which a dead bolt and a latch bolt are configured to be drawn out and drawn in, includes: an indoor rotating body and an outdoor rotating body which is installed in the same rotation axis in the inside of the body of the mortise assembly; a dead lever in which one end is connected to the dead bolt and the other end is connected to the indoor rotating body to operate the dead bolt; and a latch lever in which one end is connected to the latch bolt and the other end is connected to the outdoor rotating body to operate the latch bolt, wherein at least one concave region is formed on an outer periphery of the outdoor rotating body, a part of the other end of the latch lever is disposed on the concave region, a pair of latch operation protrusions is protruded on the upper part of an outer periphery of the indoor rotating body, the other end of the latch lever is disposed between the pair of latch operation protrusions to rotate the latch lever by a rotation in one direction, a pair of dead operation protrusions protrudes on the bottom part of an outer periphery of the indoor rotating body, and the other end of the dead lever is disposed between the pair of dead operation protrusions to rotate the dead lever by a rotation in one direction.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mortise assembly having a swinging type latch bolt,

The present invention relates to a mothesis assembly, and more particularly, to a mothesis assembly with a swinging latch bolt.

Generally, as shown in FIG. 1, the Mortice of the door lock is equipped with a mothis body 11B in a mounting space G formed inside the door D. On the other hand, the dead bolt 19 and the latch bolt 14 are pulled out or released in a plurality of latching grooves G5 formed in the door frame D '. This makes it possible to lock and open doors.

Specifically, the deadbolt lever 20 and the latch lever 18 are formed on the mothis body 11B, respectively. In addition, the dead bolt 19 and the latch bolt 14 can be moved in the linear direction in accordance with the rotation.

Here, the latch bolt 14 is installed in a state of being elastically supported on the bracket 12 formed on the mothis main body 11B through the spring 15. Therefore, the latch bolt 14 is provided so as to protrude from the side surface of the mothis main body 11B in a state in which no external force acts on the latch bolt 14.

The linking end 18A of the latch lever 18 is connected to the link 17 so that the link 17 is rotated by the rotation of the latch lever 18 and the slider 16 is rotated by the rotation of the link 17, The latch bolt 14 is moved in the linear direction. On the other hand, in FIG. 1, reference numeral 11c denotes a closing member, and 13 denotes a post member.

However, such a conventional assembly of the latch bolt 14 is operated by the latch bolt 14 being projected and retracted from the mothis main body 11B. Therefore, there arises a problem that it is difficult to apply a latch bolt of a conventional method to a so-called 'push-pull door lock' which is operated by pressing or pulling a door lock handle by a user.

That is, when the user presses the door lock handle to open, the latch bolt is caught by the door frame (striker) during the process of pulling the latch bolt into the mothis main body 11B, resulting in failure of smooth operation or damage to the device The problem was raised.

<Prior Art 1> Korean Patent Publication No. 2015-0104969 (Published Date: September 16, 2015)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mortise assembly having a swinging latch bolt which is designed to solve the above problems and that simplifies the operating structure and prevents the latch bolt from being caught in the middle of the door frame during the movement of the door .

According to an aspect of the present invention, there is provided a mortise assembly configured to draw and pull out dead bolts and latch bolts from a mortise body, the mortise body comprising: Body and outdoor rotary body; A dead lever to which one end is connected to the dead bolt and the other end is connected to the indoor rotary body to operate the dead bolt; And a latch lever having one end connected to the latch bolt and the other end connected to the outdoor rotary body to operate the latch bolt, wherein at least one concave area is formed on the outer periphery of the outdoor rotary body, A pair of latch operation protrusions are protruded from an upper portion of the outer periphery of the interior side rotary body, and between the pair of latch operation protrusions, a portion of the latch lever And a pair of dead operating protrusions are formed at a lower portion of the outer circumferential edge of the indoor rotary body so as to protrude from the pair of dead operating protrusions, And a swinging type latch bolt for rotating the dead lever in one direction by rotating the other end of the dead bolt.

And the other end of the latch lever may be formed with a protruding region formed corresponding to the recessed area of the outdoor side rotary body.

And a protruding region corresponding to the concave region of the outdoor side rotary body may be formed at the other end of the latch lever.

Wherein the latch bolt is provided so as to be partially exposed to the outside of the mothis main body and is rotatable in the inside of the mothis main body, A latch head having a plurality of alignment posts formed therein with an inclined portion formed at a distal end thereof and a latching end protruding from a part of the distal end thereof; A stopper member having a guide rib formed at the front thereof to limit the turning of the latch head so as to be hooked on the latch head and a pressing post fixed to the latch head and having a distal end elastically supported on the stopper member to press the latch head .

The alignment posts each have a shape protruding from both sides of the latch head, and at least one flat surface contacting the inner surface of the mothis main body may be formed on the front side.

An inclined surface having a predetermined inclination angle may be formed at the edge of the flat surface of the alignment post.

According to the present invention, it is possible to drive the dead bolt and the latch bolt even if the indoor rotary body and the outdoor rotary body rotate in either direction, thereby improving convenience in construction.

Further, since the latch bolt is untwisted by the rotation of the latch head, it is possible to prevent the latch bolt from being caught in the opening or the like in the middle of operation, thereby improving the operational reliability.

FIG. 1 is an installation view showing an internal configuration of a conventional door lock motor,
FIG. 2 is a view showing an internal configuration of a mortise assembly provided with a swinging latch bolt according to an embodiment of the present invention,
FIG. 3 is a state diagram showing a state in which the dead lever is operated in FIG. 2,
FIG. 4 is a view illustrating an internal configuration of a mortise assembly provided with a swinging latch bolt according to an embodiment of the present invention,
FIG. 5 is a state diagram showing a state in which the latch lever is operated in FIG. 4,
6 is a configuration diagram of a swing type latch bolt according to an embodiment of the present invention;
7 is a perspective view and an exploded perspective view of Fig. 6, and Fig.
8 is an operational flowchart of a swing type latch bolt according to an embodiment of the present invention,
9 is an operating state showing the operation states of the latch bolt and the dead bolt on the indoor side,
10 is a state diagram showing a case where the indoor side rotating body is rotated in the direction opposite to that of FIG.
11 is an operating state showing the operating state of the latch bolt on the outdoor side,
12 is a perspective view showing an indoor side rotary body of the present invention, and Fig.
13 is a perspective view showing the outdoor side rotary body 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.

FIG. 2 is a view showing the internal configuration of the motis of the present invention from the outdoor side, and FIG. 3 shows a state in which the latch lever 140 is operated.

2 and 3, a mortice according to the present invention is provided with a dead bolt 110 to be drawn and drawn in the main body 100. The edge bolt 115 and the latch bolt (120) are sequentially installed.

In the above configuration, the deadbolt 110 is pulled out and drawn by the deadbolt operation lever 170 provided on the upper side of the inside of the mortise main body 100. At this time, the dead bolt operation lever 170 can be automatically drawn out and drawn by the driving portion M. [ The dead bolt 110 can also be operated by the dead lever 130. [ Specifically,

10A, the dead lever 130 is installed to cooperate with the dead bolt 110. As shown in FIG.

In the above configuration, the edge bolt 115 is resiliently supported by a spring S, and a detection sensor (not shown) detects a pull-in and pull-out, thereby confirming whether or not the door is closed.

In the above configuration, the latch bolt 120 is a swing type in which the latch head 60 is pivoted in the inside of the mothis main body 100, which will be described in more detail with reference to FIGS. 6 to 8. FIG. On the other hand, in the latch head 60, alignment posts 65 (FIG. 8) are formed on both sides, respectively, and the latch head 60 is restricted from turning by the stopper member 70. At this time, a latching post 72 is formed at a distal end of the stopper member 70 and a first end 141 of the latch lever 140 is installed to be hooked to the latching post 72.

On the other hand, at the second end 142 of the latch lever 140, a protruding area 142a (FIG. 3) formed in the second end 142 is formed in the concave area 161 (FIG. 13) of the outdoor rotary body 160 As a result, the latch lever 140 is turned counterclockwise. The first end 141 of the latch lever 140 is pulled by the latching post 72 of the stopper member 70 when the latch lever 140 is rotated in the counterclockwise direction. The restriction of the rotation of the latch bolt 120 is released and the door can be opened.

At this time, at this time, the deadbolt 110 is automatically activated by the driver M on the outdoor side by driving the deadbolt operation lever 170 to pull the deadbolt 110, or the user manually operates the deadbolt 110 The deadbolt 110 can be unlocked by turning the lever 170.

After the unlocking of the dead bolt 110 is completed, the user rotates the outdoor rotary member 160 to release the fixed state of the latch bolt 120 and open the door.

In the present invention, the outdoor side rotator 160 has an arc-shaped concave area 161 formed on its outer circumferential surface and a protruding area 161 formed on the second end 141 of the latch lever 140 The protruding region 142a of the latch lever 140 is disengaged from the concave region 161 regardless of which direction the outdoor rotary shaft 160 is rotated by being installed in a state in which the rotary shaft 142a is seated. The latch lever 140 can be turned. That is, the outdoor side rotary member 160 of the present invention is structurally simplified, and it is advantageous that the latch bolt 120 can be unlocked in any direction without needing to set the rotation direction separately. 11, a flat portion is formed on the top surface of the outdoor side rotary body 160, and a concave portion 161 is formed in a shape of a pentagonal shape in the middle of the flat portion. Further, a mounting hole 160h for connecting a handle shaft (not shown) may be formed in the center of the outdoor side rotator 160.

FIG. 4 is a view showing the internal configuration of the motis of the present invention from the indoor side, and FIG. 5 shows a state in which the dead lever 130 and the latch lever 140 are operated simultaneously. On the other hand, Fig. 10 shows the operating state in the case where the indoor side rotary body 150 is turned in the opposite direction.

First, a so-called "anti-panic function" is set up in a general motis to allow the dead bolt and the latch bolt to be unlocked by a single operation so that an emergency can be escaped from the indoor side in the event of a fire or an emergency during the door lock function.

To this end, the present invention is provided with an indoor side rotary body (150) inside a mothis body (100). The indoor rotary body (150) is provided coaxially with the outdoor rotary body (160). The mounting hole 160h of the outdoor side rotary body 160 and the mounting hole 150h of the rotary body 150 of the indoor rotary body 150 are installed on a coaxial state And the shaft is inserted through).

A pair of dead operation protrusions 151 and 151 '(FIG. 4) and a pair of latch operation protrusions 152 and 152' (FIG. 4) are formed on the outer circumferential surface of the indoor side rotary body 150, respectively. 12, a concave area 155 is formed at the center of the flat surface, and the latch operation protrusions 152 and 152 (not shown) are provided on both sides of the concave area 155, 'May be formed.

The deadbolt 130 is installed vertically inside the mortise main body 100 and the deadbolt 130 is rotatably installed around the rotary shaft 133. The first end 131 of the dead lever 130 is connected to the dead bolt 110 to move the dead bolt 110 in the longitudinal direction. The second end 132 of the dead lever 130 is located between the dead operating protrusions 151 and 151 'of the indoor rotary body 150 so that the second rotary body 150 can be rotated in either the left or right direction The deadbolt 110 can be operated by interfering with the deadbolt 130 by turning the deadbolt 130.

The second end 142 of the latch lever 140 is positioned between the latch operation protrusions 152 and 152 'of the inner rotary body 150 so that the second rotary body 150 The stage 142 is interfered with and the latch lever 140 is pivoted to release the fixed state of the latch head 60.

The latch lever 140 and the dead lever 130 are rotated so that the dead bolt 110 and the latch bolt 120 are fixed in a fixed state at a time, can do.

 The configuration of the swing-type latch bolt applied to the present invention will be described with reference to Figs. 6 to 8. Fig.

The swinging latch bolt assembly is constituted by the latch head 60 and the stopper member 70 and the latch head 60 and the stopper member 70 are connected to and short-circuited with each other, Can be set. 5, 9 and 10) can be formed in the longitudinal direction of the mothis main body, so that the stopper member 70 functions as a sort of rail that is moved in the linear direction inside the mothis main body 30 can do.

Specifically, the latch head 60 and the stopper member 70 are connected to each other through the pressing post 80. The pressing post 80 is resiliently supported by a spring S and a connecting pin 85 passing through the tip is mounted inside the latch head 60. As a result, the latch head (60) in the stopper member (70) is installed in a pressed state to the front side.

On the other hand, the latch head 60 is formed with an inclined portion 61 at the front and an alignment post 65 (FIG. 6, the alignment post 65 is formed in a column shape having a predetermined area in which the flat surface 65b and the inclined surface 65a are formed on the front side.

Further, a latching end 66 having a certain area protruded is formed at the end of the latch head 60. Here, the connection pin 85 is inserted into the latch head 60.

A stopper rib 75 protrudes from the stopper member 70 in the forward direction, and guide ribs 71 protrude from both sides of the stopper member 70 and a locking post 72 is formed at the end thereof.

The stopper rib 75 of the stopper member 70 is formed to catch the latching end 66 of the latch head 60 and functions to limit the rotation of the latch head 60. [

The latch head 60 of the stopper member 70 is connected to each other via the pressing post 80 and the pressing post 80 has the spring S interposed therein so that the stopper member 70 is engaged with the latch head 70, (60) in the front of the motor body (100).

On the other hand, the reference line shown in red in FIG. 8 is a virtual line indicating the inner surface of the Mottis body 100. The stopper member 70 is in a state in which the stopper rib 75 is caught by the latching end 66 in a state in which the internal pressurizing post 80 presses the latch head 60 in the locked state of the latch head 60 do.

On the other hand, when the latch lever 140 is pivoted to pull the stopper member 70, the stopper member 70 moves so that the locked state of the latching end 66 and the stopper rib 75 is released.

The flat surface 65b of the alignment post 65 is pressed against the inner surface of the mothis body 100 in a state in which the stopper member 70 is pressed (the latched state of the latch head) Alignment can be made in a vertical state.

On the other hand, when the stopper member 70 is moved to the right and released to the locked state of the latch head 60, the latch head 60 is freely rotatable. Accordingly, when the user opens the door, the latch head 60 is pushed at the interface of the striker (not shown) to open the door.

As described above, according to the present invention, the stopper member 70 is moved in the longitudinal direction inside the mothis main body 100. The stopper rib 75 of the stopper member 70 can be released from the latching end 66 of the latch head 60 by pulling the latch lever 140 against the stopper member 70. [

The pressing post 80 on which the spring S is mounted presses the latch head 60 to the inside of the Mothis main body 30 at the tip end of the stopper member 70. [ At this time, the flat surface 65b of the alignment post 65 of the latch head 60 is brought into close contact with the inner side surface of the mothis body 30 to thereby receive the stationary teeth of the latch head 60 (vertical position on the inner side of the mothis body) .

On the other hand, when the stopper rib 71 of the stopper member 70 is released from the latching end 66 of the latch head 60, the latch head 60 can be easily rotated by an external force. At this time, the inclined surface 65a of the alignment post 65 of the latch head 60 functions to easily guide the latch head 60 to be rotated on the inner surface of the mothis body 30 when the user opens the door . The flat surface 65b of the alignment post 65 functions to vertically align the latch head 60 and the inclined surface 65a functions as a guide surface for guiding the rotation of the latch head 60. [

The latch head 60 and the stopper member 70 are connected to each other by the pressing post 80 and the connecting pin 85 so that the latch head 60 and the stopper member 70 can be easily pressed and unlocked when the stopper member 70 is moved .

As described above, according to the present invention, the dead bolt 110 and the latch bolt 120 can be driven even when the indoor rotary member 150 and the outdoor rotary member 160 are rotated in either direction, .

In addition, since the latch bolt 120 is untwisted by the rotation of the latch head 60, it is possible to prevent the latch bolt 120 from being caught in the door opening during operation, thereby improving the operational reliability.

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.

100: Mortice body
110: dead bolt
120: Latch Bolt
130: dead lever
140: Latch lever
150:
160: outdoor side rotator
M:

Claims (6)

And a dead bolt and a latch bolt are drawn and drawn in the main body of the motor,
An indoor side rotary body and an outdoor side rotary body provided on the same rotation axis in the inside of the mothis body;
A dead lever to which one end is connected to the dead bolt and the other end is connected to the indoor rotary body to operate the dead bolt; And
And a latch lever having one end connected to the latch bolt and the other end connected to the outdoor side rotary body to operate the latch bolt,
At least one concave region is formed on an outer periphery of the outdoor side rotator, a part of the other end of the latch lever is located in the concave region,
A pair of latch operation protrusions are protruded from an upper portion of an outer periphery of the indoor rotary body, and the other end of the latch lever is positioned between the pair of latch operation protrusions, Is turned in one direction,
A pair of dead operating protrusions are formed at the lower portion of the outer periphery of the indoor rotary body and the other end of the dead lever is positioned between the pair of dead working protrusions, Wherein the swinging latch bolt is pivoted in one direction. The method according to claim 1,
And a protruding region corresponding to the concave region of the outdoor rotary member is formed at the other end of the latch lever. 3. The method according to claim 1 or 2,
Wherein a flat surface is formed on at least one of the indoor side rotary body and the outdoor side rotary body, and the recessed area is formed in the middle of the flat surface. The method according to claim 1,
The latch bolt
A plurality of alignment posts which are installed to be partially exposed to the outside of the mothis main body and which are pivotable inside the mothis main body and which are prevented from departing from the inside to the outside of the mothis main body and supported on the inner surface of the main body, A latch head having an inclined portion formed at its tip end and a latching end protruding from a part of the end,
A stopper member which is connected to one end of the latch lever and moves in the longitudinal direction inside the mothis main body and has a guide rib formed at a front thereof so as to be caught by the latching end to restrict turning of the latch head;
And a pressing post having a tip end fixed to the latch head and a distal end elastically supported on the stopper member to press the latch head. 5. The method of claim 4,
The alignment post
And a plurality of protrusions formed on both sides of the latch head,
Wherein at least one flat surface abutting against an inner surface of the mothis main body is formed on the front side thereof. 6. The method of claim 5,
And a sloped surface having a predetermined inclination angle is formed on an edge of the flat surface of the alignment post.

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