KR101188736B1 - auxiliary door locking device of both side opening and closing type door - Google Patents

Abstract

The present invention relates to an auxiliary door locking device of both side open doors to increase the convenience of using the auxiliary doors in both side open doors and to eliminate the hassle caused by checking whether the auxiliary door is locked.
Auxiliary door locking device (A) of both side open doors according to the present invention,
The housing 110 is coupled to the cover 112 in front of the fixing plate 111, the sliding body 120 is coupled to the magnetic body 123 on the upper surface of the movable piece 122, and the insertion groove 131a The roller 131 having the opening 131b formed therein is connected to the roller fixing body 130 installed in the seating groove 132a of the fixing block 132, and to the sliding body 120 and the roller fixing body 130. A main body 100 including the operation piece 140 provided therein and a lock retainer 150 provided with a pinion 154 connected to the knob 153 on the left and right movable rack 152;
The first mounting hole 210 is provided with a protruding piece 212 having a long groove 212a formed on the front surface of the attachment piece 211 in contact with the main control 410, and the second mounting hole 220 to which the magnetic body 222 is coupled. Main word combination bundle consisting of 200 and;
The first mounting hole 310 is provided with a protruding piece 312 having a long groove 312a formed on the front surface of the attachment piece 311 in contact with the auxiliary door 420, and the second mounting hole 320 to which the latch 322 is coupled. Auxiliary door coupling bunch 300 consisting of; characterized in that consisting of.

Description

Auxiliary door locking device of both side opening and closing type door}

The present invention relates to a sub-door locking device for both open and close doors, and more particularly, to enable the automatic lock of the auxiliary door when the main door is closed in both open and open doors and to automatically unlock the auxiliary door when the main door is opened. By making it possible to increase the convenience when using the auxiliary door and to eliminate the hassle of checking the auxiliary door lock whether the secondary door locking device of the open and close doors.

The entrance and exit doors are usually provided with lockable doors so as to restrict the entrance and exit of the visitors as needed.

On the other hand, the relatively wide entrance has recently increased the installation of both side open doors of the primary and secondary doors.

Since the two open doors can be opened simultaneously with the main door and the auxiliary door and one side of the main door or the auxiliary door, the cargo can be easily transported through the simultaneous opening of the main door and the auxiliary door when carrying a large load. By opening only the main control, it is possible to prevent heat loss caused by opening the door more than necessary.

However, both side open doors have the advantages as described above, but locks are provided on each of the main door and the auxiliary door, which is cumbersome to lock the respective locking device when the door is locked. There was a problem in that it was difficult to restrict access, and due to the nature of the auxiliary door which is rarely used alone, the auxiliary door lock is normally locked, and the auxiliary door lock is locked every time the auxiliary door needs to be opened. There was a problem that has to be released.

In order to solve the above problems, the relevant field is attempting to develop a two-sided open door lock device to increase the convenience of using the two-side open door door, but to date, both open door lock doors still have considerable trouble. It does not meet the expectations of users.

The present invention has been proposed in view of the above circumstances, and by assisting the automatic lock of the auxiliary door when the main door is closed in both open-type swing doors and the automatic unlocking of the auxiliary door when the main door is opened. It is an object of the present invention to provide an auxiliary door locking device for both side open doors to increase the convenience of using the door and to eliminate the inconvenience of checking whether the auxiliary door is locked.

Auxiliary door locking device of both side open doors according to the present invention for achieving the above object,

The center of the fixing plate on the side wall of the mounting plate is moved up and down along the vertically installed guide rail located on one side of the front of the fixed plate of the housing and the fixing plate formed with bolt through holes at the corners of the housing. Sliding body is provided with a protrusion projecting toward the top and the magnetic body is coupled to the upper surface of the mounting piece, and the roller is formed on the other side of the fixed plate in front of the fixed plate, the insertion groove is formed at the top and the opening is formed at the bottom of the fixed block The roller fixed body installed to be rotatable in the groove, and the fixed shaft penetrates in the middle of the fixed plate between the sliding body and the roller fixing body and is connected to the mounting piece of the sliding body at one end adjacent to the sliding body. The connecting piece is provided and the roller fixing body is secured to the other end adjacent to the roller fixing body. The operating piece is provided with a connecting piece connected to the insertion bar penetrating the upper part of the groove, and the knob on the upper part of the rack which is located at the lower part of the front of the fixed plate between the sliding body and the roller fixing body and moves horizontally along the horizontally installed guide rail. A main body including a locking retainer provided with a pinion adapted to rotate along;

Fastening bolts on the first mounting tool provided with a protruding piece with a long groove formed on the front surface of the attachment piece fixedly installed on the main gear of the lower part of the main body, and the lower projection inserted into the long groove of the first mounting tool while being fixed to the upper surface of the protruding piece of the first mounting tool. A main gear coupling bundle formed of a second installation tool having a ball formed thereon and a magnetic body having the same polarity as the magnetic body coupled to the sliding body of the main body;

The first mounting tool provided with a protruding piece having a long groove formed on the front surface of the attachment piece fixedly installed on the auxiliary door below the main body, and the bolt on the lower projection inserted into the long groove of the first mounting device while being fixed to the upper surface of the protruding piece of the first mounting tool. It is characterized in that the fastening hole is formed and the secondary door coupling bundle consisting of a second mounting hole is coupled to the clamp to be snapped to the opening of the roller provided on the roller fixing body of the main body;

The auxiliary door locking device of both side open doors according to the present invention has a repulsive force acting between the magnetic body coupled to the main body coupling bundle and the magnetic body coupled to the sliding body of the main body when the main door is closed. The sliding body of the main body is able to be lifted, and when the sliding body is lifted, the insertion bar connected to one side of the operating piece is inserted into the insertion groove formed at the top of the roller to prevent the rotation of the roller. Since the auxiliary door cannot be opened in the state where the latch coupled to the second installation hole of the auxiliary door coupling bundle is bitten, the auxiliary door can be automatically locked in the state where the main door is closed, so it is convenient without the hassle of checking whether the auxiliary door is locked. It is effective to use auxiliary doors.

1 is a perspective view showing a form in which the auxiliary door locking device of both side open doors according to the present invention is applied to both side open doors
Figure 2 is a cross-sectional view for explaining the internal structure of the main body in the auxiliary door locking device of both side open doors according to the present invention
Figure 3 is an operating state diagram for explaining the operation of the sliding body of the main body in the auxiliary door locking device of the two open doors according to the present invention.
Figure 4 is an operating state diagram for explaining the operation of the operating piece of the main body in the auxiliary door locking device of the two open doors according to the present invention;
5 is an operation state diagram for explaining the operation of the roller fixed body of the main body in the auxiliary door locking device of the two-side open door according to the present invention;
Figure 6 is an operating state diagram for explaining the operation of the lock retainer of the main body in the auxiliary door locking device of the two open doors according to the present invention.
Figure 7 is an exploded perspective view for explaining the structure of the main gear coupling bundle in the auxiliary door locking device of both side open door according to the present invention
Figure 8 is a cross-sectional view showing the coupling form of the main gear coupling bundle in the auxiliary door locking device of both side open door according to the present invention.
Figure 9 is an exploded perspective view for explaining the structure of the auxiliary door coupling bundle in the auxiliary door locking device of both side open door according to the present invention
10 is a cross-sectional view showing a coupling form of the auxiliary door coupling bundle in the auxiliary door locking device of both side open door according to the present invention.
Figure 11 is an operating state diagram for explaining the projection operation of the sliding body in the auxiliary door locking device of both side open door according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 1, the auxiliary door locking device (A) of both sides of the open door according to the present invention is composed of a main body 100, the main gear coupling bundle 200, and the auxiliary door coupling bundle (300).

The main body 100 is for locking the auxiliary doors in both side open doors,

A housing 110 having a cover 112 coupled to the front of the fixing plate 111 having a bolt through hole 111a formed at an edge thereof, and a guide installed vertically while being located at one side of the front of the fixing plate of the housing 110. The protrusion 122a protruding toward the center of the fixing plate 111 is provided on the side wall of the mounting piece 122 which moves up and down along the rail 121, and the magnetic body 123 is coupled to the upper surface of the mounting piece 122. A fixed block is formed of a sieve 120 and a roller 131 having an insertion groove 131 a formed at an upper end thereof and a slit 131 b formed at a lower end thereof while being positioned on the other side of the front of the fixed plate 111 facing the sliding body 120. A roller fixing body 130 rotatably installed in the seating groove 132a of the 132 and the fixing plate 111 between the sliding body 120 and the roller fixing body 130 are fixed in the middle. The shaft 141 penetrates and slides at one end adjacent to the sliding body 120. The connecting piece 142 is provided to be connected to the mounting piece 122 of the sieve 120 and the insertion bar penetrating the upper part of the mounting groove 132a of the roller fixing body 130 at the other end adjacent to the roller fixing body 130 ( 143 and the operating piece 140 provided with a connecting piece 142 to be connected to the installation, and the guide rail horizontally installed while being located on the lower surface of the fixed plate 111 between the sliding body 120 and the roller fixing body 130 ( The lock retainer 150 is provided with a pinion 154 provided to rotate in accordance with the operation of the knob 153 on the rack 152 to move left and right along the 151.

As shown in FIG. 2, the magnetic body coupling piece 160 having the magnetic body 161 of the same polarity as the magnetic body 123 of the sliding body 120 is coupled to the upper portion of the sliding body 120 in the main body 100. It is preferable to provide.

The magnetic body of the sliding body 120 is provided by the magnetic body coupling piece 160 in which the magnetic body 161 of the same polarity as the magnetic body 123 of the sliding body 120 is coupled to the upper portion of the sliding body 120 in the main body 100. Since the repulsive force acts between the 123 and the magnetic body 161 of the magnetic body coupling piece 160, when the sliding body 120 descends, the repulsive force between the magnetic bodies 123 and 161 is added to the sliding body 120 when the sliding body 120 descends. After the ascent of 120 is lowered can be made smoothly.

At this time, when the magnetic force of the magnetic body 161 coupled to the magnetic body coupling piece 160 is stronger than that of the magnetic body 222 of the coupling bundle 200, the repulsive force acting on the sliding body 120 is a sliding body ( 120) the magnetic force of the magnetic body 161 coupled to the magnetic body coupling piece 160 is increased due to the repulsive force acting on the lower portion of the sliding body 120, and the magnetic body 222 of the main gear coupling 200. It is preferable to be weak.

And the protrusion (122a) provided on the side wall of the mounting piece 122 of the sliding body 120 in the main body 100 is inclined to the upper end of the tip, the middle is hinged to the side wall of the mounting piece 122, the rear top is The lower end of the elastic member 122b is preferably in contact with the protruding jaw 122c on the mounting piece 122.

In the main body 100, the upper end of the tip of the protrusion 122a provided on the side wall of the mounting body 122 of the sliding body 120 is inclined, the middle is hinged fixed to the side wall of the mounting plate 122, the rear top is The front end of the rack 152 of the lock retainer 150 is the upper end of the protrusion 122a by contacting the lower portion of the elastic member 122b and being caught by the protruding jaw 122c fixed to the mounting piece 122. When the tip of the protrusion 122a is in contact with the rack 152 in a state located in the lower direction, the protrusion 122a may move upwardly in the rack 152 of the lock retainer 150.

The ball spring 133 is preferably provided in contact with one side of the roller 131 in the fixed block 132 of the roller fixing body 130 in the main body 100, and is in contact with the ball spring 133. It is preferable that round grooves 131c are formed at one side of the roller 131 at intervals.

In the main body 100, a ball spring 133 is provided in contact with one side of the roller 131 in the fixed block 132 of the roller fixing body 130, and the roller 131 is in contact with the ball spring 133. Round grooves (131c) is formed at intervals on one side it can serve as a stopper when the roller rotates.

In addition, the upper surface of the front end of the rack 152 of the lock retainer 150 in the main body 100 is preferably located at the same height as the lower end of the protrusion (122a) of the sliding body 120 is the maximum lift.

In the main body 100, the upper surface of the front end of the rack 152 of the lock retainer 150 is located at the same height as the lower end of the protrusion 122a of the sliding body 120 which is lifted up and the rack by rotating the pinion 154. Since the lower end of the protrusion 122a of the sliding body 120 can be extended to the upper surface of the front end of the rack 152 when the 152 is moved to the sliding body 120 side of the elevated state, the sliding body ( 120 can be prevented from falling.

On the other hand, the fixing plate 111 of the housing 110 in the main body 100 is fixedly installed in the door frame 430 between the main control 410 and the auxiliary door 420, the fixing plate 111 to the door frame ( The fixed installation method in 430 is by welding or bolting, so detailed description is omitted.

The main gear coupling bundle 200 is for operating the sliding body 120 of the main body 100,

A first installation hole 210 having a protruding piece 212 having a long groove 212a formed on a front surface of the attachment piece 211 fixedly installed on the main gear 410 under the main body 100, and the first The bolt fastening hole 221a is formed on the lower protrusion 221 inserted into the long groove 212a of the first mounting hole 210 while being fixed to the upper surface of the protruding piece 212 of the mounting hole 210 and the main body (on the upper surface). The magnetic body 123 coupled to the sliding body 120 of the 100 and the magnetic body 222 having the same polarity are coupled to the second installation port 220.

The bolt 223 fastened to the bolt fastening hole 221a of the second mounting hole 220 in the main gear coupling bundle 200 as shown in FIG. 8B has a width of the first mounting hole 210. The washer 224 having an outer diameter larger than the width of the long groove 212a or larger than the width of the long groove 212a of the first installation hole 210 is coupled to the bolt fastening hole 221a. It is preferred to be fastened.

The head width of the bolts 223 fastened to the bolt fastening holes 221a of the second mounting holes 220 in the main gear coupling bundle 200 is larger than the width of the first groove 210 of the long groove 212a. The washer 224 having an outer diameter larger than the width of the long groove 212a of the first mounting hole 210 is coupled to the bolt fastening hole 221a to be coupled to the bolt fastening hole 221a of the second mounting hole 220. By fastening the bolts 223, as shown in FIG. 7, the binding between the first mounting holes 210 and the second mounting holes 220 may be achieved.

On the other hand, the main gear coupling bundle 200 is fixedly installed on the main gear 410 of the lower body 100, in particular, the main gear 100 is fixedly installed on the main gear 410 of the lower sliding body 120 on one side. , The method of fixing the attachment piece 211 of the first mounting hole 210 to the driving gear 410 in the main gear coupling bundle 200 is by welding or bolting, and thus detailed description thereof will be omitted.

The auxiliary door coupling bundle 300 is for operating the roller fixing body 130 of the main body 100,

A first installation hole 310 provided with a protruding piece 312 having a long groove 312a formed on a front surface of the attachment piece 311 fixedly installed on the auxiliary door 420 under the main body 100, and the first The bolt fastening hole 321a is formed on the lower protrusion 321 inserted into the long groove 312a of the first mounting tool 310 while being fixed to the upper surface of the protruding piece 312 of the mounting tool 310, The second mounting hole 320 is coupled to the latch 322 to be snapped to the trim 131b of the roller 131 provided on the roller fixing body 130 of 100.

The bolt 323 that is fastened to the bolt fastening hole 321a of the second mounting hole 320 in the auxiliary door coupling bundle 300 as shown in FIG. 10B has a width of the first mounting hole 310. Washer 324 having an outer diameter larger than the width of the long groove 312a or larger than the width of the long groove 312a of the first installation hole 310 is coupled to the bolt fastening hole 321a. It is preferred to be fastened.

The head width of the bolt 323 that is fastened to the bolt fastening hole 321a of the second mounting hole 320 in the auxiliary door coupling bundle 300 is larger than the width of the long groove 312a of the first mounting hole 310. The washer 324 having an outer diameter larger than the width of the long groove 312a of the first mounting hole 310 is coupled to the bolt fastening hole 321a to be coupled to the bolt fastening hole 321a of the second mounting hole 320. By fastening the bolts 323, as shown in FIG. 9, the binding between the first mounting holes 310 and the second mounting holes 320 may be performed.

On the other hand, the auxiliary door coupling bundle 300 is fixedly installed on the auxiliary door 420 below the main body 100, in particular, the fixed installation on the auxiliary door 420 below the roller fixing body 130 on one side of the main body 100. The method of fixing the attachment piece 311 of the first installation port 310 to the auxiliary door 420 in the auxiliary door coupling bundle 300 is by welding or bolting, and thus detailed description thereof will be omitted.

Hereinafter, the sub-door 420 locking and unlocking through the sub-door locking device A of both side open doors according to the present invention will be described in detail.

First, the locking of the auxiliary door 420 is made in a state in which the main door 410 is closed. The sliding body 120 of the main body 100 is lifted in the state in which the main door 410 and the auxiliary door 420 are closed. You lose.

In the second installation hole 220 of the master gear coupling bundle 200 coupled to the master gear 410, a magnetic body 222 having the same polarity as the magnetic body 123 coupled to the sliding body 120 of the main body 100 is provided. Magnetic body 222 coupled to the sliding body 120 of the main body 222 and the magnetic body 222 coupled to the second installation hole 220 of the main gear coupling bundle 200 in the state that the main control word 410 is closed ( The repulsive force acts between 123).

At this time, the sliding body 120 of the main body 100 is a magnetic body coupled to the second installation port 220 of the main gear coupling bundle 200 because the mounting piece 122 can move up and down along the guide rail 121. When the repulsive force is applied between the 222 and the magnetic body 123 coupled to the sliding body 120 of the main body 100, the mounting piece 122 of the sliding body 120 is a guide rail 121 as shown in FIG. Since the upper part is moved upwards), the lifting and lowering of the sliding body 120 is made.

Operation of the operating piece 140 is made by the lifting and lowering of the sliding body 120 as described above.

One end of the operating piece 140 through which the fixed shaft 141 penetrates is connected to the mounting piece 122 of the sliding body 120, and the other end of the operating piece 140 is seated on the roller fixing body 130. Since it is connected to the insertion bar 143 penetrating the upper portion of the groove 132a, when the sliding body 120 is raised and lowered as shown in FIG. One end of the operating piece 140 provided with the 142 is elevated, the other end of the operating piece 140 connected to the insertion bar 143 penetrating the upper portion of the mounting groove 132a of the roller fixing body 130 is lowered.

 In the above state, the lower end of the insertion bar 143 installed connected to the other end connecting piece 142 of the operation piece 140 is rotatably installed in the seating groove 132a of the roller fixing body 130 as shown in FIG. 131 is inserted into the insertion groove 131a at the top, so that the roller 131 may not rotate even when the roller 131 is rotatably installed in the seating groove 132a of the roller fixing body 130 by the insertion bar 143. do.

At this time, the upper end of the latch 322 coupled to the second mounting hole 320 of the auxiliary door coupling bundle 300 is caught in the trim 131b of the lower roller 131 of the roller fixing body 130. Even when the door 420 is pulled or pushed, the latch 322 coupled to the second mounting hole 320 of the auxiliary door coupling bundle 300 cannot be separated from the lower trim 131b of the non-rotatable roller 131. The auxiliary door 420 may be placed in a locked state that cannot be opened.

On the other hand, in the present invention, the sub-door 420 as described above is lockable.

Since the lock 100 is provided in the main body 100 of the present invention, the knob 153 of the lock retainer 150 exposed to the front side of the cover 112 of the housing 110 in the locked state of the auxiliary door 420 is provided. When rotated, the rack 152 may be moved toward the sliding body 120 by the pinion 154 rotating according to the rotation of the knob 153.

At this time, the upper surface of the front end of the rack 152 moved toward the sliding body 120 is supported by the bottom surface of the protrusion (122a) provided on the side wall of the mounting piece 122 of the sliding body 120 is elevated as shown in FIG. The repulsive force between the magnetic body 222 coupled to the second installation port 220 of the master gear coupling bundle 200 and the magnetic body 123 coupled to the sliding body 120 of the main body 100 is open. Since the lifting state of the sliding body 120 is maintained as it is, even if the lifting and lowering of the sliding body 120 cannot be performed, the locking of the auxiliary door 420 is independent of the opening of the main door 410 through the locking retainer 150. The state can be fixed.

In the present invention, the lock of the auxiliary door 420 as described above may be implemented even in the state in which the main door 410 is opened.

In the state in which the main control word 410 is opened, the maximum movement of one end of the rack 152 toward the sliding body 120 through the operation of the knob 153 of the locking retaining part 150 is performed. Since one end of the rack 152 of 150 is positioned above the protrusion 122a of the sliding body 120, in principle, the auxiliary door 420 may not be locked, but the auxiliary door 420 may not be locked.

However, in the present invention, the protrusion 122a provided on the side wall of the mounting piece 122 of the sliding body 120 in the main body 100 is inclined at the top of the tip, and the middle is hinged to the side wall of the mounting piece 122. The rear upper end is in contact with the lower portion of the elastic member 122b, and the rear lower end is to be caught by the protruding jaw 122c fixed on the support piece 122, so that the lock holder in the state where the main drive 410 is opened. When operating the 150 and close the main drive 410 when the sliding body 120 is lifted by the repulsive force of the magnetic body (123, 222) acting when the main drive 310 is closed, as shown in FIG. Since the tip of the inclined protrusion 122a contacts the bottom of the end of the rack 152 and rotates downward by a hinge, the tip of the inclined protrusion 122a may pass through the front end of the rack 152, so the lifting and lowering of the sliding body 120 may proceed. The door 420 may be locked and the protrusion 122a rotated downward. The front end is returned to the state before rotation by the elastic force of the elastic member 122b after passing through the front end of the rack 152, and the bottom of the front end of the protrusion 122a hangs on the top surface of the front end of the rack 152, and the rear lower end of the protrusion 122a is placed on the protruding jaw. Since the upper surface of the sliding body 120 can not be lowered, the auxiliary door 420 can be locked in the locked state.

Through the lock of the auxiliary door 420 through the lock retainer 150 as described above, it is possible to prevent the auxiliary door 420 from being opened in the entering or leaving the room, and in particular, the outsider A separate magnetic body or metal piece may be adjacent to the magnetic body 123 of the sliding body 120 to release the lock of the auxiliary door 420 by forcibly lowering the sliding body 120 by magnetic force, and prevent the intrusion into the room.

Next, the secondary door 420 is unlocked while the main door 410 is opened.

Between the magnetic body 222 coupled to the second installation port 220 of the master gear coupling bundle 200 and the magnetic body 123 coupled to the sliding body 120 of the main body 100 in the state in which the main control word 410 is opened. Since the lifting force of the sliding body 120 cannot be lifted due to the repulsive force, the one end of the operating piece 140 provided with a connection piece 142 installed on the mounting piece 122 of the sliding body 120 is illustrated in FIG. 4B. The other end of the operation piece 140 provided with a connection piece 142 installed in connection with the insertion bar 143 penetrating the upper portion of the seating groove 132a of the roller fixing body 130 is in the lifting state.

At this time, the insertion bar 143 installed connected to the connecting piece 142 on the other end of the operating piece 140 is in a state lifted upward as shown in FIG. 5B even though it is in the seating groove 132a of the roller fixing body 130. When the roller 131 of the roller fixing body 130 comes out from the insertion groove 131a formed on the top of the roller fixing body 130 and the roller 131 of the roller fixing body 130 is in a rotatable state, the auxiliary door 420 is pulled or pushed. The roller 131 is rotated even if the latch 322 coupled to the second mounting hole 320 of the auxiliary door coupling bundle 300 is in the trim 131b formed on the roller 131 of the roller fixing body 130. In addition, the latch 323 can be released from the trim 131b of the roller 131 to be in an unlocked state in which the auxiliary door 420 can be opened.

Therefore, in the present invention, the use of the auxiliary door 420 can be made at any time by simply pulling or pushing the auxiliary door 420 while opening the main door 410.

On the other hand, the auxiliary door 420 in the unlocked state when the auxiliary door 420 is opened forward or backward, when the roller 131 of the roller fixing body 130 rotates in the forward or backward direction, the roller fixing body 130 The trim 131b formed at the lower end of the roller 131 is coupled to the second installation hole 320 of the auxiliary door coupling bundle 300 by a stopper of the ball spring 133 in close contact with one side of the roller 13. Since the state where the catch 323 is exited is maintained as it is, when the closed auxiliary door 420 is closed, the catch 323 coupled to the second mounting hole 320 of the auxiliary door coupling bundle 300 is a roller. Roller 131 of the roller fixed body 130 because the roller 131 is rotated as opposed to when the auxiliary door 420 is opened as it is introduced into the trim 131b formed on the roller 131 of the stagnation 130 as it is. At any time when the main door 410 is closed because the sub-door 420 may be returned to the state before opening. The door lock of Article 420 will be able to be made.

The present invention as described above is not limited to the above-described embodiment, and can be changed within the scope not departing from the gist of the present invention claimed in the claims, such changes are within the claims described.

100: main body 110: housing
111: fixing plate 111a: bolt through hole
112: cover 120: sliding body
121: guide rail 122: mounting plate
122a: projection 122b: elastic member
122c: protruding jaw 123: magnetic material
130: roller fixed body 131: roller
131a: Insertion groove 131b: open
131c: round groove 132: fixed block
132a: seating groove 133: ball spring
200: primary fish combination bundle 210: first installation port
211: attachment piece 212: protruding piece
212a: Long groove 220: Second installation port
221: lower projection 221a: bolt fastening
222: magnetic material 223: bolt
224: washer 300: bundle of auxiliary door combination
310: first installation hole 311: attachment piece
312: protrusion 312a: long groove
320: second installation port 321: lower projection
321a: bolt fastening 322: clamp
323 bolt 324 washer
410: main door 420: auxiliary door
430: door frame A: sub-door locking device

Claims (8)

A housing 110 having a cover 112 coupled to the front of the fixing plate 111 having a bolt through hole 111a formed at an edge thereof, and a guide installed vertically while being located at one side of the front of the fixing plate of the housing 110. The protrusion 122a protruding toward the center of the fixing plate 111 is provided on the side wall of the mounting piece 122 which moves up and down along the rail 121, and the magnetic body 123 is coupled to the upper surface of the mounting piece 122. A fixed block is formed of a sieve 120 and a roller 131 having an insertion groove 131 a formed at an upper end thereof and a slit 131 b formed at a lower end thereof while being positioned on the other side of the front of the fixed plate 111 facing the sliding body 120. A roller fixing body 130 rotatably installed in the seating groove 132a of the 132 and the fixing plate 111 between the sliding body 120 and the roller fixing body 130 are fixed in the middle. The shaft 141 penetrates and slides at one end adjacent to the sliding body 120. The connecting piece 142 is provided to be connected to the mounting piece 122 of the sieve 120 and the insertion bar penetrating the upper part of the mounting groove 132a of the roller fixing body 130 at the other end adjacent to the roller fixing body 130 ( 143 and the operating piece 140 provided with a connecting piece 142 to be connected to the installation, and the guide rail horizontally installed while being located on the lower surface of the fixed plate 111 between the sliding body 120 and the roller fixing body 130 ( A main body 100 including a lock retainer 150 provided with a pinion 154 configured to rotate according to a manipulation of the knob 153 on an upper portion of the rack 152 which is moved left and right along the 151;
A first installation hole 210 having a protruding piece 212 having a long groove 212a formed on a front surface of the attachment piece 211 fixedly installed on the main gear 410 under the main body 100, and the first The bolt fastening hole 221a is formed on the lower protrusion 221 inserted into the long groove 212a of the first mounting hole 210 while being fixed to the upper surface of the protruding piece 212 of the mounting hole 210 and the main body (on the upper surface). A main gear coupling bundle 200 formed of a second installation hole 220 in which a magnetic body 123 coupled to the sliding body 120 of the 100 and a magnetic body 222 of the same polarity are coupled to each other;
A first installation hole 310 provided with a protruding piece 312 having a long groove 312a formed on a front surface of the attachment piece 311 fixedly installed on the auxiliary door 420 under the main body 100, and the first The bolt fastening hole 321a is formed on the lower protrusion 321 inserted into the long groove 312a of the first mounting tool 310 while being fixed to the upper surface of the protruding piece 312 of the mounting tool 310, A secondary door coupling bundle consisting of a second mounting hole 320 is coupled to the latch 322 to be snapped to the opening 131b of the roller 131 provided in the roller fixing body 130 of the 100; Auxiliary door locks on both side open doors. The method of claim 1,
Both sides of the sliding body 120 of the main body 100 is provided with a magnetic body coupling piece 160 is coupled to the magnetic body 161 of the same polarity as the magnetic body 123 of the sliding body 120, both sides open type casement Auxiliary door lock on the door. The method of claim 1,
The protrusion 122a provided on the sliding body 120 of the main body 100 has an inclined upper portion, a middle hinged to the side wall of the mounting piece 122, and a rear upper end thereof under the elastic member 122b. It is in contact with, the rear lower end of the auxiliary door locking device of both side open doors, characterized in that the engaging jaw (122c) on the mounting piece (122). The method of claim 1,
Inside the roller fixing body 130 of the main body 100 is provided with a ball spring 133 to be in contact with one side of the roller 131, spaced on one side of the roller 131 in contact with the ball spring 133 A secondary door lock device of both sides of the open type swing door, characterized in that the round groove (131c) is formed. The method of claim 1,
The upper surface of the front end of the rack 152 in the lock retainer 150 of the main body 100 is located at the same height as the lower end of the protrusion (122a) of the sliding body 120 is the maximum lifting of both side open doors Auxiliary door lock. The method of claim 1,
The bolt 223 fastened to the bolt fastening hole 221a formed in the second installation hole 220 of the main gear coupling bundle 200 has a width of the head at the width of the first groove 210 of the long groove 212a. Auxiliary door locks of both side open doors, characterized in that the large or outer diameter washer 224 coupled to the width of the long groove 212a of the first installation port 210 is coupled to the bolt fastening hole 221a. Device. The method of claim 1,
The bolt 323 fastened to the bolt fastening hole 321a formed in the second installation hole 320 of the auxiliary door coupling bundle 300 has a width of the head at the width of the long groove 312a of the first installation hole 310. Auxiliary door lock of both side open doors, characterized in that the large or outer diameter washer 324 coupled to the width of the long groove 312a of the first installation port 310 is coupled to the bolt fastening hole (321a). Device. The method of claim 2,
The magnetic force of the magnetic body 161 coupled to the magnetic body coupling piece 160 is weaker than the magnetic body 222 magnetic force of the main gear coupling bundle 200, the auxiliary door lock device of both side open doors.

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