KR101312239B1 - Opening and closing device for exit - Google Patents

Abstract

PURPOSE: A front door opening/closing device is provided to improve the stability and the convenience and to easily open a door. CONSTITUTION: A front door opening/closing device includes a door lock housing unit, a first gripper (120), a second gripper, a movable member (140), a rotating member, a latch bolt joining unit (160), and a returning spring. A first opening in which a latch bolt is inserted is formed on one side of the door lock housing unit. The first opening is installed inside a door to be exposed to the outer surface of the door. The first and second grippers are joined to both surfaces of the door so that the door is pulled or pushed. The movable member penetrates through the door lock housing unit. Both end portions of the movable member are joined to the first and second grippers respectively. A lift guide block guiding the upward movement of a roller is arranged on the center of the top surface of the movable member so that the movable member is horizontally moved by pushing and pulling the first and second grippers. The rotating member is arranged across the top surface of the movable member. One end portion of the rotating member is fixed to a hinge shaft. The roller in contact with the lift guide block is arranged on the central bottom of the rotating member. A bent portion is formed on the other end portion of the rotating member so that the rotating member is rotated around the hinge shaft by the roller moving upwardly along the lift guide block when the movable member is horizontally moved.

Description

Opening and Closing Device for Exit

The present invention relates to a door opening and closing device, and more particularly, the door is opened by the operation of pushing or pulling the handle of the front door in the direction in which the door is opened, as well as rotation of the locking device built into the handle. It relates to a doorway opening and closing device that can implement the lock / unlock through the door.

In general, door lock devices are widely used in general homes or public buildings. Typically, door lock devices are used for entrance doors, that is, entrance doors, bank vaults, and access control devices for restricting access to specific areas.

Conventional door lock device is provided with a rotary handle on each side of the door, the latch is interlocked with each handle is implemented in a protruded state in the end of the door. Accordingly, when the user grasps the handle by hand and rotates the latch, the latch is pulled into the door. In this state, the door is opened by pushing or pulling the door.

However, the door lock device is inconvenient to open the door by pushing or pulling the door in a state in which the user is holding the door handle by hand when rotating the door. In other words, if you want to open the door in the closed state, you must first rotate the handle in one direction, and then must continuously perform two operations to push or pull the door.

In particular, children, the elderly, and the disabled are not easy to rotate the door handle, so it is difficult to enter and exit the door.In addition, if a user who is holding an object in both hands wants to enter the door, he or she should put the object on the floor or help others. It is inconvenient to open the door and get it back.

Korea Patent Registration: 10-0909560 (Notice date 2009.07.27)

Korea Patent Registration: 10-0934781 (Notice date 2009.12.31)

SUMMARY OF THE INVENTION The present invention has been made to solve the conventional problems,

An object of the present invention is to provide an entrance opening and closing device for the entrance that can detect that the door is opened due to the rolling motion of the roller when the handle portion of the door is pushed or pulled in the direction in which the door is opened.

Another object of the present invention is to provide a doorway opening and closing device that can lock / unlock the door lock device simply and safely, reduce parts by simplifying the structure, and improve the ease of assembly.

The doorway opening and closing device of the present invention provided to achieve the above object is provided with a first opening on one side to which the latch bolt is retracted, and is provided in the door so that the first opening is exposed to the outer surface of the door. Door lock housings; First and second handle portions coupled to one side and a rear side of the door to be installed to enable a pressing and pulling operation; Penetrating through the door lock housing, both end portions are coupled to the first and second handle portions, respectively, and an upward guide block for guiding the upward movement of the roller is provided at the center of the upper surface to push and pull the first and second handle portions. A moving member in which horizontal movement is performed; It is disposed across the upper portion of the moving member, one end is fixed to the hinge shaft, the center is provided with a roller in contact with the rising guide block, the other end is formed with a bent portion to move the lifting guide block in the horizontal movement of the moving member A rotating member which rotates about a hinge axis by a roller moving up and down; A latch bolt coupling part having one end engaged with the bent portion of the rotating member and the other end coupled to the latch bolt inserted into the first opening, and moving left and right according to the rotation direction of the rotating member; And a return spring wound around the hinge shaft, one end of which is fixed to an inner wall of the door lock housing, and the other end of which is fixed to the rotating member, to restore the rotating member to a state before rotation.

Here, the ascending guide block is characterized in that the roller has a slope of the gentle rising curve so that the ascension is made by the rolling motion.

Then, the first and second handles are easily pressed until the rising guide block of the moving member pushes the roller, and the rising guide block pushes the roller, while the roller being rolled moves on the inclined surface of the rising guide block. When the upward movement is characterized in that the pressed speed is added or decreased.

In addition, the first and the second handle portion is fixed to one side and the rear surface of the door and one end of the gripping portion is fixed to have an inner space so that the front and rear can be moved, one end is fitted into the inner space of the fixing bracket It is characterized in that it is composed of the holding portion coupled to the pressing and pulling operation.

The rotating member includes a pair of links having a hinge coupling hole formed at one end thereof and a downwardly inclined surface formed at the other end thereof, and having a bent portion that is bent upward at an inclined surface at one point, and a pair of link hinge couplings spaced at regular intervals. A hinge shaft coupled to the ball, the connecting portion connecting the central portion of the link and forms a coupling surface bent downward on both sides, characterized in that consisting of a roller hinged to the coupling surface of the connecting portion.

In addition, the latch bolt coupling portion is coupled to the roller pin at one end of the outer surface, the roller pin is located on the bent portion of the link of the rotating member is characterized in that it is installed to move on the inclined surface of the bent portion.

In addition, the entrance door opening and closing device for the doorway, the first and second locking devices are respectively installed in the first and second handle portion, and one end is coupled to the first locking device through the door lock housing, the other end is the second locking device An operating shaft coupled to the operating shaft to rotate left and right according to the operation of the first and second locking devices, a rotating lever coupled to the operating shaft and positioned inside the door lock housing, and rotating left and right according to the rotation of the operating shaft; And a dead bolt inserted into a second opening formed in one side of the door lock housing, one end of which is coupled to the opening and closing member and the other end of which is coupled to the rotation of the rotary lever. .

Here, the working shaft has a cross section in the shape of a square, the center of the rotary lever is formed with a rectangular hole in which the working shaft is fitted is characterized in that the rotating lever is also rotated when the working shaft is rotated.

And, the opening and closing member is formed with a guide hole long in the longitudinal direction in the center surface, the support pin protruding from the inner surface of the door lock housing is inserted into the guide hole, the recess groove is formed on the upper surface of one side is engaged with the rotating lever And, both side walls of the concave groove is characterized in that the engaging groove is formed so as not to leave the concave groove during rotation of the rotary lever.

In addition, the support pin is characterized in that the tension spring is wound to support the rotation lever elastically.

The first and second locking devices may be a key bundle into which a key is inserted or an operation lever.

According to the entrance opening and closing device for the door of the present invention, when pressing or pulling the door lock knob, when pushing or pulling the handle portion of the door in the direction of opening the door, the stability of the door can be detected due to the rolling motion of the roller This has the effect of improving and improving the convenience of operation.

In addition, the door can be opened by pushing or pulling the door's handle in the direction of opening the door, so children, the elderly, the disabled, or a user holding an object can easily open the door. This has the effect of being improved.

In addition, the lock / unlock of the door is made simpler and more precise, so that the lock / unlock operation is very easy, and there is no fear of failure due to the lock / unlock operation. It works.

In addition, when a lot of crowds are gathered in public offices or concert halls, it is operated in a depressed manner rather than a rotary type, so that the door can be easily opened to prevent safety accidents.In particular, if a door part melts during a fire, the rotary operation is impossible. If you can easily operate it has the effect of preventing safety accidents.

1 is a perspective view showing the external appearance of the entrance opening and closing device for the entrance according to the present invention.
Figure 2 is an exploded perspective view of the door opening and closing device for the door according to the present invention.
Figure 3 is a perspective view of the main part for explaining the main components of the doorway opening and closing device according to the invention.
Figure 4 is a view for explaining the rotating member and the latch bolt coupling portion in the door opening and closing device for the door according to the present invention.
5 is a view for explaining the door opening operation of the entrance opening and closing device for the entrance according to the present invention.
Figure 6 is a view for explaining the door closing operation of the door opening and closing device for the entrance according to the invention.
Figure 7 is a view for explaining the locked state of the doorway opening and closing device for the door according to the present invention.
8 is a view for explaining the unlocking state of the door opening and closing device for the door according to the present invention.

These and other objects, features and other advantages of the present invention will become more apparent by describing in detail preferred embodiments of the present invention with reference to the accompanying drawings. Hereinafter, with reference to the accompanying drawings it will be described in detail the doorway opening and closing device. For purposes of this specification, like reference numerals in the drawings denote like elements unless otherwise indicated.

1 is a perspective view showing the appearance of the doorway opening and closing device for the entrance according to the present invention, Figure 2 is an exploded perspective view of the doorway opening and closing device for the entrance according to the invention, Figure 3 is a doorway opening and closing device for the entrance according to the invention Main part is a perspective view for explaining the main components. Figure 4 is a view for explaining the rotating member and the latch bolt coupling portion in the door opening and closing device for the door according to the present invention.

Door opening and closing device for the door according to the present invention is large, the first part to implement the opening and closing operation of the door that the door is opened when the handle is pushed or pulled and the door is closed when the handle is released, the door lock by rotating the locking device built in the handle It is divided into a second part that implements the lock / unlock operation.

First, the door is opened when the handle is pushed or pulled, and the first part implementing the opening and closing operation of the door in which the door is closed when the handle is released will be described with reference to the accompanying drawings.

As illustrated in FIGS. 1 to 4, the door opening and closing device according to the present invention includes a door lock housing 110, first and second handle parts 120 and 130, a moving member 140, a rotating member 150, and a latch. The bolt coupling part 160 and the return spring 170 are included.

The door lock housing 110 has a main body 110a having one side open and accommodating the rotating member 150 and the latch bolt coupling part 160 therein, and a cover 110b covering the open one side of the main body 110a. The main body 110a and the cover 110b are coupled to each other by being fastened by a plurality of fastening members 110c.

The door lock housing 110 has a moving member through groove 111 penetrating the center of the cover 110b and the main body 110a, and the first latch bolt 180 is inserted into one side of the main body 110a. A second opening 113 through which the opening 112 and the dead bolt 260 are introduced is formed. The first and second openings 112 and 113 are installed in the door 100 to be exposed to the outer surface of the door 100.

Then, the first and second handles 120 and 130 are installed on one side and the rear side of the door 100 in which the door lock housing is built.

The first and second handle portions 120 and 130 are fixed brackets 131 coupled to the doors 100 and grippers 137 which are fitted to the fixed brackets 131 to be pressed and pulled. It is composed.

The fixing bracket 131 has an accommodating part 132 which is inserted into one end of the gripping part to move forward and backward, and guide holes 133 are formed on both side walls of the accommodating part 132. The through hole 135 is formed in the lower portion of the hole 134 and the hole 134 in communication with the receiving portion 132 in the central portion of the surface in contact with the (100). Here, the hole 134 is made of the same shape as the moving member 140 so that the moving member 140 is inserted, the through hole 135 is a size through which the operating shaft 230 to be described in the second portion can pass through Has In addition, a plurality of pointed fixing protrusions 136, which may be pushed to the surface of the door 100, are formed outside the holes 134 and the through holes 135. The fixing protrusion 136 is fixed to the surface of the door 100 to be contacted to fix the fixing bracket 131 so as not to move.

The gripping portion 137 is protruded to the center of one surface is fitted to the receiving portion 132 of the fixing bracket and guided to the guide hole 133 is coupled to move forward and backward in the receiving portion 132. In addition, an insertion groove 138 having the same shape as the hole 134 of the fixing bracket is formed inside the grip part 137, and locking devices 210 and 220 are respectively installed to correspond to the through hole 135 of the fixing bracket. Here, the locking device (210,220) may be made of a key bundle or the operating lever, the key insertion groove or the operating surface of the key bundle of the key bundle so that the user can operate the locking device (210,220) the back surface of the grip portion (137) Installed to be exposed.

The moving member 140 has a one end portion having a '┏┓' shape in the cross section and passes through the hole 134 formed in the fixing bracket 131 of the first handle portion 120 to be inserted into the insertion groove 138 of the gripping portion. The other end penetrates the through groove 111 provided in the door lock housing 110 to the hole 134 and the insertion groove 138 formed in the fixing bracket 131 of the second handle 130. It is fitted with a rising guide block 141 having an inclined surface 142 of a gentle rising curve in the center of the upper surface.

The moving member 140 is horizontally moved by the pressing and pulling operation of the first and second handles 120 and 130.

The rotating member 150 has a pair of links 153 having a hinge coupling hole 151 formed at one end thereof and forming a downward inclined surface at the other end thereof, and having a bent portion 152 bent upwardly inclined at one point. The hinge shaft 154 coupled to the hinge coupling hole 151 with the pair of links 153 spaced a predetermined distance apart from each other and connected to a central portion of the pair of links 153 and bent downward on both sides ( And a roller 157 hinged to the coupling surface 155 of the connection portion.

The rotating member 150 is located inside the door lock housing 110, disposed across the upper portion of the moving member 140, and installed so that the roller 157 contacts the inclined surface 142 of the rising guide block 141. do.

Therefore, the rotating member 150, the rising guide block 141 pushes the roller 157 when the moving member 140 is moved horizontally, the roller 157 pushed by the rising guide block 141 is rolling around the hinge While moving, the vehicle moves up and down on the inclined surface 142 of the rising guide block 141, and the link 153 rotates about the hinge shaft 154 by the rising of the roller 157.

The latch bolt coupling unit 160 is positioned inside the door lock housing 110 and is disposed between the rotating member 150 and the first opening 112 of the door lock housing so that one end thereof is connected to the rotating member 150 and the other end thereof. Is coupled with the latch bolt 180 introduced into the first opening 112.

The latch bolt coupling portion 160 is coupled to the roller pin 161 at one end of the outer surface, the roller pin 161 is located at the bent portion 152 of the link 153, the inclined surface of the bent portion 152 It is installed to ride on. Here, the locking step 158 is formed at the end of the bent portion 152 to prevent the roller pin 161 is separated.

The roller pin 161 is positioned at the end of the bent portion 152 when the roller 157 of the rotating member is in contact with the upper surface of the moving member 140, the roller 157 of the moving member 140 As the link 153 rotates around the hinge shaft 154 as the lift guide block 141 moves upward, the bent portion 152 of the link 153 rises, so that the bent portion 152 The inclined surface is moved to be positioned at the center of the bent portion 152. At this time, the movement of the latch bolt coupling unit 160 introduces the latch bolt 180 coupled with the latch bolt coupling unit 160 to the inside of the door 100.

On the other hand, the return spring 170 is wound on the hinge shaft 154 of the rotating member 150.

The return spring 170 is wound around the hinge shaft 154, one end of which is fixed to the inner wall of the door lock housing 110, and the other end of which is fixed to the linking portion 156 of the link. Therefore, when the return spring 170 is compressed by the rotation of the link 153 and the external force for rotating the link 153 is removed, the return spring 170 is restored to the state before compression and returns the link 153 to the state before rotation. In addition, the elastic spring 175 is installed between the connecting portion 156 and the latch bolt coupling portion 160 of the link, the elastic spring 175 is the roller pin 161 of the latch bolt coupling portion 160 by the rotation of the link. Moving to the center of the bent portion 152 is compressed, but when the link 153 is lowered by the restoration of the link 153, the compressed elastic spring 175 is restored and the latch bolt coupling portion 160 is returned to its original position. Push out. At this time, the movement of the latch bolt coupling unit 160 projects the latch bolt 180 coupled with the latch bolt coupling unit 160 to the outside of the door 100.

Referring to the operation of the first portion of the doorway opening and closing device for the door made of the above configuration as follows.

5 is a view for explaining the door closing operation of the doorway opening and closing device for the door according to the present invention, Figure 6 is a view for explaining the door opening operation of the doorway opening and closing device for the door according to the present invention. 5 and 6 illustrate only the components implementing the functions of the first part in solid lines for the convenience of understanding. In addition, the operation of the first part is performed while the door is unlocked.

First, in the state of FIG. 5, since no external force is applied to the first and second handle portions 120 and 130, the return spring 170 is normally relaxed, and the front end portion of the latch bolt 180 of the first opening 112 is closed. It protrudes outward.

In this state, as shown in FIG. 6, pressing or pulling the holding parts 137 respectively provided in the first and second handle portions moves the moving member 140 horizontally, and also the upper surface of the moving member 140. The rising guide block 141 protruding into the moving member 140 is integrally moved. At this time, the rising guide block 141 pushes the roller 157 in contact with the inclined surface 142, and the roller 157 rides the inclined surface 142 on the inclined surface 142 of the rising guide block while rolling around the hinge. ) Will move up from the bottom to the top. Due to the rise of the roller 157, the link 153 is rotated about the hinge axis 154 and the bent portion 152 of the other end is raised to increase the slope of the inclined surface of the bent portion 152. Accordingly, the roller pin 161 of the latch bolt coupling unit 160 moves on the inclined surface to be positioned at the center of the bent portion. The latch bolt 180 is moved inside the door 100 by the latch bolt coupling unit 160. The opening of the door 100 is made by the introduction. At this time, the return spring 170 wound around the hinge shaft 154 is compressed by the rotation of the link 153, and the elastic spring 175 installed in the latch bolt coupling portion 160 is also latched bolt. It is in a compressed state by the movement of the coupling unit 160.

In addition, when the grip portion 137 of the first and second handle portions that are pressed or pulled in the state of FIG. 6 is released, the external member holding the grip portion 137 is removed and the movable member 140 moves to its original position. The roller 157, which has been raised by the movement of the moving member 140, descends on the ascending guide block 141, and at the same time, the return spring 170, which has been compressed, is restored to its original state and the link 153 is returned to the state before rotation. Return At this time, the link 153 is rotated about the hinge axis 154 and the bent portion 152 of the other end is lowered so that the slope of the inclined surface of the bent portion 152 is gentle. In addition, the roller pin 161 of the latch bolt coupling portion 160 is moved to the end by the inclined surface of the bent portion 152 by the restoring force of the elastic spring 175 that was burned and compressed in the latch bolt coupling portion 160, The latch bolt 180 is protruded to the outside of the door 100 due to the movement of the latch bolt coupling unit 160 to the state of FIG. 5 in which the door 100 is closed.

 The door opening and closing device operated as described above, when the user pushes the grip part 137 of the handle part in the direction in which the door 100 is opened to open the door 100, the grip part 137 is pressed by the pressing force and the moving member. 140 will be moved. At this time, the holding portion 137 is easily pressed until the rising guide block 141 of the movable member 140 pushes the roller 157, and then the rising guide block 141 pushes the roller 157 and is pushed. When the roller 157 moves up and down on the inclined surface of the rising guide block 141 while rolling, the pressing speed of the gripping portion 137 is added or decreased. Therefore, the user may feel the speed at which the gripper 137 is pressed, that is, the speed at which the gripping part 137 is pressed, thereby allowing the door 100 to be opened. In addition, it is possible to detect that the door 100 is opened by the rolling motion of the roller 157 moving up the inclined surface 142 of the rising guide block 141. In addition, the rolling operation of the roller 157 is made to open the door smoothly and smoothly.

Next, attaching a second part that enables to lock the doorway opening and closing device easily at the indoor or outdoor side, and at the same time implements the locking / unlocking of the doorway opening and closing device to return the lock state to the unlocked state if necessary. It will be described with reference to the drawings.

As illustrated in FIGS. 1 to 3, the doorway opening and closing device according to the present invention includes first and second locking devices 210 and 220 installed in the first and second handles 120 and 130, and the door lock housing 110. One end is coupled to the first locking device 210 and the other end is coupled to the second locking device 220 and the left and right rotation shafts rotate left and right according to the manipulation of the first and second locking devices 210 and 220. And, coupled to the operating shaft 230 and positioned inside the door lock housing 110, the rotation lever 240 and the left and right rotation in accordance with the rotation of the operating shaft 230, and the rotation of the rotary lever 240 A dead bolt inserted in the second opening 113 formed at one side of the opening and closing member 250 and the opening and closing member 250 interlocked with the opening and closing member 250 and the other end of the door lock housing 110 is interlocked. 260).

Here, the first and second locking devices 210 and 220 may be a key bundle into which a key is inserted, or may be formed of an operation lever, and a key of the key bundle so that a user can operate the first and second locking devices 210 and 220. The operation surface of the insertion groove and the operation lever is installed to be exposed to one surface of the handle portion (120,130).

In addition, the operation shaft 230 has a cross-section having a rectangular shape, the first and the first installed in each grip portion 137 through the through hole 135 of the center and the fixing bracket 131 of the rotary lever 240, It is coupled to the second locking device (210, 220).

The rotary lever 240 has a rectangular hole 241 in which the operating shaft 230 is inserted in the center thereof, and a protruding piece 242 for moving the opening / closing member 250 is formed at the end thereof. The guide groove 243 is formed on the outer surface of the 242. In this case, when the operating shaft 230 and the hole 241 of the rotary lever are formed to have a quadrangular shape, the rotary lever 240 is also rotated together when the operating shaft 230 is rotated.

The opening and closing member 250 is provided at the lower portion of the rotary lever and is coupled to the dead bolt 260 inserted into the second opening 113 of the door lock housing 110. The opening and closing member 250 is formed with a guide hole 251 extending in the longitudinal direction in the center surface, the support pin 252 protruding from the inner surface of the door lock housing 110 is inserted into the guide hole 251, one side top surface A concave groove 253 in which the protruding piece 242 of the rotary lever 240 is engaged is formed. Here, both sidewalls of the concave groove 253 is formed with a locking groove 254 is engaged with the projection piece 242 so as not to leave the concave groove 253 at the maximum rotation of the projection piece 242. In addition, a tension spring 255 for resiliently supporting the protruding piece 242 of the rotation lever 240 is wound on the support pin 252. The tension spring 255 is wound around the support pin 252, one end of which is fixed to the bottom surface of the door lock housing 110, and the other end of the tension spring 255 passes through the bottom surface of the protrusion guide groove 243 of the rotary lever 240. ) Is fixed to the side wall.

Referring to the operation of the second portion of the entrance opening and closing device for the entrance made of the above configuration as follows.

7 is a view for explaining a locked state of the doorway opening and closing device according to the present invention, Figure 8 is a view for explaining the unlocked state of the doorway opening and closing device according to the present invention, Figure 7, 8 illustrates only components that implement the functions of the second part for the convenience of understanding.

As shown in FIG. 7, in order to lock the door 100 so that the door 100 does not open, the dead bolt 260 of the door opening and closing device must protrude to the outside of the door 100.

In this state, to make the door 100 openable, the key is inserted into the first and second locking devices 210 and 220 provided in the first and second handles as shown in FIG. Rotating or rotating the operation lever in one direction causes the operating shaft 230 integrally coupled with the first and second locking devices 210 and 220 to be rotated, and the rotating lever 240 when the operating shaft 230 is rotated. It is also rotated in one direction together. And when the rotary lever 240 is rotated is provided at the end of the rotary lever 240 and the protrusion piece 242 inserted into the recessed groove 253 of the opening and closing member 250 is rotated while rotating the opening and closing member 250 (protrusion piece ( 242) to the rotation direction. At this time, the opening and closing member 250 is a support pin 252 fixed to the door lock housing 110 is inserted into the guide hole 251 to guide the movement of the opening and closing member 250, so that the linear movement, and also rotates The protruding piece 242 is caught by the one side wall locking groove 254 of the concave groove 253 is no longer rotated. In addition, the protruding piece 242 of the rotation lever 240 is supported by the elastic force of the tension spring 255 that is supported and does not rotate in reverse unless an external force is applied thereto, so that the opening / closing member 250 also remains moved. do. In addition, the dead bolt 260 coupled to the opening and closing member 250 is introduced into the second opening 113 by the movement of the opening and closing member 250, and the door 100 may be opened.

Subsequently, in order to lock the door 100 again so that the door 100 does not open, the key is inserted into the first and second locking devices 210 and 220 to rotate the key in the other direction or the operation lever in the other direction. When rotated, the operating shaft 230 and the rotary lever 240 which are integrally coupled with the first and second locking devices 210 and 220 are rotated, and the recess groove 253 of the opening and closing member 250 is rotated by the rotation of the rotary lever 240. The protrusion piece 242 inserted into the rotation is moved to move the opening and closing member 250 in the rotation direction of the protrusion piece 242. Here too, the opening and closing member 250 is a support pin 252 fixed to the door lock housing 110 is inserted into the guide hole 251 to guide the movement of the opening and closing member 250 to move linearly, and also protruded to rotate The piece 242 is caught by the other side wall locking groove 254 of the concave groove 253 is no longer rotated. In addition, since the protruding piece 242 of the rotary lever 240 moves the opening and closing member 250 while overcoming the elastic force of the supporting tension spring 255, the rotation of the rotary lever 240 and the opening and closing member 250 The movement is stable. The dead bolt 260 coupled to the opening / closing member 250 protrudes to the outside of the second opening 113 by the movement of the opening / closing member 250 so that the dead bolt 260 is inserted into the groove (not shown) of the door frame. ) Is locked.

As described above, when the door is unlocked or pushed or pulled in the direction in which the door is opened, the present invention can detect that the door is opened by the speed at which the handle is pushed or pulled and the rolling motion of the roller. This is improved, and the ease of operation is improved by the smooth opening operation of the door due to the rolling motion of the roller.

In addition, the door can be opened easily by pushing or pulling the door handle in the direction of opening the door, so that children, the elderly, the disabled, or the user holding the object can easily open the door for ease of use and Practicality is improved.

In addition, it is very easy to operate the lock / release of the door opening and closing device, there is no fear of failure due to the lock / release operation, the stability is improved by the correct operation of the locking device.

In addition, when a lot of crowds are gathered in public offices or concert halls, it is operated in a depressed manner rather than a rotary type, so that the door can be easily opened to prevent safety accidents. If you can easily operate it has the effect of preventing safety accidents.

Although the preferred embodiments of the present invention have been described, the present invention is not limited to the specific embodiments described above. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the appended claims, And equivalents may be resorted to as falling within the scope of the invention.

100: door 110: door lock housing
110a: main body 110b: cover
110c: fastening member 111: through groove
112: first opening 113: second opening
120, 130: first and second handle portion 131: fixing bracket
132: receiving portion 133: guide hole
134: hole 135: through hole
136: fixing protrusion 137: gripping portion
138: insertion groove 140: moving member
141: ascending guide block 142: inclined surface
150: rotating member 151: hinge coupling hole
152: bend 153: link
154: hinge axis 155: mating surface
156: connection portion 157: roller
158: engaging jaw 160: latch bolt coupling portion
161: roller pin 170: return spring
175: elastic spring 180: latch bolt
210, 220: first and second locking device 230: working shaft
240: rotary lever 241: hole
242: protrusion 243: guide groove
250: opening and closing member 251: guide hole
252: support pin 253: recessed groove
254: locking groove 255: tension spring
260: dead bolt

Claims (11)

A door lock housing provided on one side of a first opening through which the latch bolt is inserted, and installed in the door such that the first opening is exposed on the outer surface of the door; First and second handle portions coupled to one side and a rear side of the door to be installed to enable a pressing and pulling operation; Penetrating through the door lock housing, both end portions are coupled to the first and second handle portions, respectively, and an upward guide block for guiding the upward movement of the roller is provided at the center of the upper surface to push and pull the first and second handle portions. A moving member in which horizontal movement is performed; It is disposed across the upper portion of the moving member, one end is fixed to the hinge shaft, the center is provided with a roller in contact with the rising guide block, the other end is formed with a bent portion to move the lifting guide block in the horizontal movement of the moving member A rotating member which rotates about a hinge axis by a roller moving up and down; A latch bolt coupling part having one end engaged with the bent portion of the rotating member and the other end coupled to the latch bolt inserted into the first opening, and moving left and right according to the rotation direction of the rotating member; And a return spring wound around the hinge shaft, one end of which is fixed to an inner wall of the door lock housing, and the other end of which is fixed to the rotating member, to restore the rotating member to a state before rotation. 2. The method of claim 1,
The lifting guide block is a door entrance opening and closing device characterized in that it has a slope of the gentle rising curve so that the roller makes the movement by rolling movement. 3. The method according to claim 1 or 2,
The first and second handles are easily pressed until the rising guide block of the moving member pushes the roller, and the rising guide block pushes the roller, and the roller being rolled moves up the inclined surface of the rising guide block while rolling. Door opening and closing device for the entrance, characterized in that the speed is pressed down. The method of claim 1,
The first and second handles are fixed to one side and the rear surface of the door, and one end portion of the gripping portion is fixed to the inner bracket so as to be moved forward and backward, and one end is fitted into the inner space of the fixing bracket. Door opening and closing device for the door, characterized in that consisting of the gripping portion is pressed and pulled. The method of claim 1,
The rotating member includes a pair of links having a hinge coupling hole formed at one end and a downwardly inclined surface at another end, and having a bent portion that is bent upwardly inclined at one point, and a pair of link hinge coupling holes spaced at a predetermined interval. Door opening and closing device for the entrance characterized in that it comprises a hinge shaft coupled to the link portion connecting the central portion of the link and forms a coupling surface bent downward on both sides, and a roller hinged to the coupling surface of the connection portion . The method of claim 1,
The latch bolt coupling portion is connected to the roller pin on one end of the outer surface, the roller pin is located in the bent portion of the link of the rotating member is installed to move on the inclined surface of the bent entrance opening and closing device . The method of claim 1,
The door opening and closing device for the entrance includes first and second locking devices respectively installed in the first and second handle portions, and one end is coupled to the first locking device through the door lock housing and the other end is coupled to the second locking device. An operating shaft in which left and right rotations are made according to the operation of the first and second locking devices, a rotation lever coupled to the operation shaft and positioned inside the door lock housing, and rotating left and right in accordance with the rotation of the operation shaft, and a rotation lever. Opening and closing member is moved in conjunction with the rotation of the left and right, and the front end further comprises a dead bolt is coupled to the opening and closing the other end is inserted into the second opening is formed on one side of the door lock housing Door opening and closing device. The method of claim 7, wherein
The operation shaft has a rectangular cross section, the opening and closing device for the entrance door characterized in that the center of the rotary lever is formed with a rectangular hole in which the operating shaft is fitted is also rotated with the rotary lever when the operating shaft is rotated. The method of claim 7, wherein
The opening and closing member is formed with a guide hole in the longitudinal direction in the longitudinal direction, the support hole is inserted into the guide hole protruding from the inner side of the door lock housing, the recess groove is formed on one side of the upper surface of the rotation lever is engaged, Door opening and closing device for the entrance, characterized in that the engaging grooves are formed on both side walls of the concave groove so as not to leave the concave groove when the rotary lever rotates. The method of claim 9,
Door opening and closing device for the door, characterized in that the support pin is wound around the tension spring elastically supporting the rotary lever. The method of claim 7, wherein
The first and second locking devices are door locks for opening and closing, characterized in that the key is inserted into the key bundle, or made of a control lever.

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