KR20170041462A - Safe handle assembly for door-lock - Google Patents

Abstract

Disclosed is a safe handle structure for a door lock capable of reducing production costs by reducing the number of components as well as improving manufacturing efficiency by simplifying its manufacturing process. The present invention comprises: a handle body; a middle member stored in the handle body, and including at least one hanging step formed in the upper part and a shaft installed in the lower part; a push button including a hanging groove formed in the lower part to be selectively interlocked with the hanging step of the middle member and a slit hole penetrating a side, and elastically supported by a spring and exposed to the outside of the handle body at a predetermined height in order to be interlocked with the hanging step of the middle member when pushed by pressure; and a fixing bolt installed by penetrating the slit hole, and screwed with the handle body to fix the vertical movement of the push button.

Description

A safety handle assembly for a door lock,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety handle structure for a door lock, and more particularly, to a safety handle structure for a door lock installed in a door lock.

Generally, the door is provided with a door lock for restricting unauthorized access by outsiders. For example, a door lock is installed at a door of a place such as a house, apartment, or office to prevent an outside person from entering the door.

Such a conventional door lock is provided with a safety handle structure in which an intruder can be prevented from forcibly unlocking a door lock through a wire from the outside and provided with a forced detachment preventing means which can be easily mounted on a door lock which is installed in the past.

Referring to FIG. 1A, a conventional safety handle structure includes a handle body 1, a pressing member 2, and a shaft 3.

1B, the clutch unit 7 of the pressing member 2 is hooked on the connecting jaw 8 of the intermediate member 4 at the front end of the handle body 1, The shaft 3 connected to the intermediate member 4 is in a clutch-connected state. That is, when the pressing member 2 is pressed on the handle body 1, the clutch portion 7 of the pressing member 2 and the connecting jaw 8 extending from the intermediate member 4 are engaged with each other, To the shaft (3) connected to the intermediate member (4), so that the door lock can be opened.

In other words, it is possible to open the door lock only when the user presses the pressing member 2, thereby preventing the door from being opened by rotating the inner knob by pulling the wire or the like from the outside to the inside.

However, in the conventional safety handle structure, the intermediate member 4 of the handle body 1 is fixed by the fixing pin 5 and the pressed state of the pressing member 2 (i.e., the clutch engaged state with the intermediate member) A fixing pin bolt (6) of the handle body (1) is provided. Accordingly, the handle body 1 has to be formed with a plurality of holes (holes through which the fixing bolts and the fixing pins are mounted), which complicates the manufacturing process.

In addition, there is a problem in that the number of parts is increased due to the configuration in which the plurality of fixing bolts 6 and the fixing pins 5 are provided, which increases the manufacturing cost.

<Prior art> Korean Utility Model Registration No. 0447937 (Mar. 3, 2010)

It is an object of the present invention to provide a safety handle structure of a door lock which is designed to solve the above problems and which can reduce manufacturing cost by reducing the number of parts and simplify the manufacturing process to improve manufacturing efficiency.

According to an aspect of the present invention, there is provided a handle comprising: a handle body; An intermediate member accommodated in the handle body, at least one stopper being formed at an upper end thereof and a shaft mounted at a lower end thereof; A slit hole formed at a lower end of the intermediate member to selectively engage with the engaging jaw of the intermediate member, the slit hole being formed through the side surface of the slit hole and being elastically supported by a spring and being exposed to the outside of the handle body at a predetermined height, A push button for engaging with the engaging jaw of the intermediate member; And a fixing bolt installed through the slit hole and screwed to the handle body to fix up and down movement of the push button.

And the fixing bolt is positioned at the tip of the intermediate member to prevent the intermediate member from being released to the outside.

The slit hole of the push button may have a predetermined length in the vertical direction.

A plurality of restricting jaws extending at a predetermined height are formed on the upper end of the intermediate member, and the fixing bolt is disposed between the restricting jaws to prevent the intermediate member from freely rotating inside the handle body.

A stop groove is formed in the groove which is deeper than a guide groove constituting a part of the slit hole and a part of the head of the fixing bolt is seated in the stop groove in a state in which the push button is pressed.

Further, according to the present invention, An intermediate member accommodated in the handle body and having a shaft mounted on a lower end thereof; A slit hole formed on a side surface of the intermediate member and selectively engaged with the upper end of the intermediate member and elastically supported inside by a spring to partially engage with the upper end of the intermediate member when the handle body is partially exposed to the outside, Push buttons; And a fixing bolt installed through the slit hole and screwed into the handle body to fix up and down movement of the push button.

According to the present invention, the function of preventing the intermediate member from departing from the inside of the handle body and the function of fixing the pushing state of the push button are made through one fixing bolt, thereby reducing the number of parts and lowering the manufacturing cost. By reducing the manufacturing process, the manufacturing efficiency can be improved and the productivity can be increased.

FIG. 1A is a perspective view showing a safety handle structure of a conventional door lock,
FIG. 1B is a side sectional view showing a safety handle structure of a conventional door lock,
FIG. 1C is a partially enlarged view showing the internal structure of a conventional safety handle structure of a door lock,
FIG. 2 is a perspective view showing an inner structure of a safety handle structure of a door lock according to an embodiment of the present invention;
FIG. 3 is a perspective view showing a state in which a push button and an intermediate member of a safety handle structure of a door lock according to an embodiment of the present invention are connected through a fixing bolt,
FIG. 4 is a sectional view showing a state in which a push button of a safety handle structure of a door lock according to an embodiment of the present invention is fixed in a pressed state; FIG.
FIG. 5 is a sectional view showing a state where the fixing bolts of the safety handle structure of the door lock are unlocked according to an embodiment of the present invention. FIG.
FIG. 6 is a perspective view illustrating a state in which a push button of a safety handle structure of a door lock according to an embodiment of the present invention is removed; FIG.
FIG. 7 is a structural view of a safety handle structure of a door lock according to another embodiment of the present invention;
8 is a view showing a connection state of a push button and an intermediate member of a safety handle structure of a door lock according to another embodiment of the present invention;
FIG. 9 is a sectional view of a fixing bolt of a safety handle structure of a door lock according to another embodiment of the present invention,
10 is a view showing a state where the push button of the safety handle structure of the door lock is not fixed according to another embodiment of the present invention,
FIG. 11 is a view showing a state in which the push button of the safety handle structure of the door lock is fixed according to another embodiment of the present invention. FIG.
12 is an exploded perspective view of a safety handle structure of a door lock according to another embodiment of the present invention, and Fig.
13 is a perspective view showing a lower side of a push button of a safety handle structure of a door lock according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 2, the safety handle structure of the door lock of the present invention is provided with a push button 20 to move up and down in the interior of the handle body 10, and the push button 20 is fixed A bolt 30 is provided.

Specifically, the push button 20 is clutch-connected to the intermediate member 40 mounted inside the handle body 10. Here, the clutch engagement indicates selective engagement with the intermediate member 40 by an operation of pressing the push button 20.

Referring to FIG. 3, the push button 20 includes a clutch portion 20b having an engagement groove 22 formed on an inner circumferential surface thereof, and a pressing portion 20a for allowing the user to press the clutch portion 20b. A slit hole 21 is formed through the side surface of the clutch portion 20b. At this time, the slit hole 21 is formed in a slit shape so that the push button 20 can move up and down in a state where the fixing bolt 30 is penetrated. On the other hand, the intermediate member 40 is provided with a shaft 51 (FIG. 6) at its lower portion and a plurality of engagement protrusions 41 at its upper portion. The engaging jaw 41 is selectively engaged with the engaging groove 22 of the push button 20 so as to be coupled to the clutch. At this time, the engaging jaw 41 and the engaging groove 22 may be formed opposite to each other. That is, although not shown, the intermediate member 40 may have a latching groove 22 formed at the tip thereof and a latching groove 22 formed at the lower portion of the pushbutton 20.

4 and 5, the push button 20 is elastically supported inside the handle body 10 by a spring S1. Accordingly, in a state in which the user does not press the push button 20 (the state of FIG. 5), the push button 20 protrudes out of the handle body 10 by the spring S1.

When the user presses the push button 20 and the fixing bolt 30 is fastened to the mounting groove 15 of the handle body 10, the push button 20 does not protrude to the outside, It can be fixed in the pressed state. At this time, in a state in which the push button 20 is pressed against the handle body 10, the engagement jaw 41 of the intermediate member 40 and the engagement groove 22 of the push button 20 are engaged with each other .

As described above, according to the present invention, it is possible to maintain the pressed state (clutch connecting state) of the push button 20 through the fixing bolt 30, 40 can be prevented from being released to the outside. One fixing bolt 30 is installed through the slit hole 21 to fix the push button 20 so as to maintain the pressing state and the function of fixing the intermediate member 40 to the outside of the handle body 10 As shown in Fig.

According to this configuration, it is possible to maintain the fixed state of the push button 20 and the fixed elements inside the handle through one fixing bolt 30 without complicating the mechanism for fixing the handle body 10 .

Referring to FIG. 6, when the push button 20 is removed from the handle body 10 of the present invention, a button mounting groove H is formed in the handle body 10. At the upper end of the intermediate member 40, a pair of restricting levers 45 protrude upward by a predetermined height, and a fixing bolt 30 is interposed therebetween. It is possible to prevent the intermediate member 40 from freely rotating inside the handle body 10. A fixing member 52 is attached to a lower portion of the intermediate member 40 to fix the shaft 51 by fastening the bolts 53 through a plurality of fastening bolts 53.

The fixing bolt 30 is fastened to the mounting groove 15 of the handle body 10 to prevent the intermediate member 40 inserted into the handle body 10 from being released to the outside.

7 to 13, another embodiment of the present invention will be described.

The present embodiment differs from the foregoing embodiment in that the slit hole 21 is constituted by a guide groove 21b formed in the vertical direction and a detent groove 21a formed deeper than the guide groove 21b.

Concretely, a recessed groove 12 (see FIG. 7) is formed at the entrance side of the handle body 10 where the fixing bolt 30 is inserted to prevent the fixing bolt 30 from being exposed to the outside.

10, when the fixing bolt 30 does not fix the push button 20, the push button 20 can move up and down along the guide groove 21b.

11, when the fixing bolt 30 is rotated in a state in which the push button 20 is pushed, the tip end of the head portion 30a of the fixing bolt 30 contacts the stop groove 21a of the slit hole 21, So that the push button 20 is fixed so as not to protrude upward (refer to FIG. 9).

  The present invention as described above is characterized in that the function of preventing the detachment of the intermediate member 40 in the handle body 10 and the function of fixing the pushing state of the pushbutton 20 are performed through one fixing bolt 30 The manufacturing cost can be reduced by reducing the total number of parts, and the manufacturing efficiency can be improved by reducing the number of required manufacturing processes such as a large number of holes in the handle body 10, for example, and productivity can be increased.

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:
15: Mounting groove
20: Push button
20a:
20b:
21: Slit ball
21a: Stopping groove
21b: guide groove
22:
30: Fixing bolt
30a: Head
40: intermediate member
41:
51: Shaft
52: Fixing member
53: fastening bolt

Claims (6)

A handle body (10);
An intermediate member (40) accommodated in the handle body (10) and having at least one locking step (41) formed at its upper end and a shaft (51) mounted at its lower end;
A slit hole 21 is formed at the lower end of the intermediate member 40 so as to selectively engage with the engagement protrusion 41 of the intermediate member 40. The slit hole 21 penetrates the side surface of the intermediate member 40 and is elastically supported by a spring S1 A push button (20) which is exposed to the outside of the handle body (10) and engaged with the engagement protrusion (41) of the intermediate member when pressed by pressure; And
And a fixing bolt (30) installed through the slit hole (21) and screwed into the handle body (10) to fix the up and down movement of the push button (20) Safety handle structure. The method according to claim 1,
Wherein the fixing bolt (30) is positioned at the tip of the intermediate member (40) to prevent the intermediate member (40) from being released to the outside. 3. The method according to claim 1 or 2,
The slit hole 21 of the push button 20 is formed in an elongated shape in the up and down direction so that the push button 20 can be moved up and down in a state where the fixing bolt 30 is penetrated. Door handle safety handle structure. The method of claim 3,
A stopping groove 21a which is deeper than a guide groove 21b constituting a part of the slit hole 21 is formed and the fixing bolt 30a is inserted into the stopping groove 21a in a state where the push button 20 is pushed, And a part of the head part (30a) of the door (30a) is seated and fixed. The method according to claim 1,
A plurality of restricting tails 45 extending at a predetermined height are formed on the upper end of the intermediate member 40 and the fixing bolt 30 is disposed between the restricting tails 45, A safety handle structure of a door lock which prevents free rotation inside the handle body (10). A handle body (10);
An intermediate member (40) accommodated in the handle body (10) and having a shaft (51) mounted on a lower end thereof;
A slit hole 21 is formed through the side surface of the intermediate member 40 so as to be selectively engaged with the upper end of the intermediate member 40. The slit hole 21 is resiliently supported by a spring S1 and partially exposed to the outside of the handle body 10 A push button 20 which is engaged with an upper end of the intermediate member 40 when pressed by pressure; And
And a fixing bolt (30) installed through the slit hole (21) and screwed into the handle body (10) to fix the up and down movement of the push button (20) Safety handle structure.

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