KR20160059646A - Opening And Closing Device for Exit - Google Patents

Abstract

An embodiment of the present invention provides a handle replaceable push-pull port opening and closing device comprising: a push-pull unit which is combined to a door to be able to move to a section by penetrating the inner side of the door; a gliding unit which crosses the center of the push-pull unit, is combined to the push-pull unit to be able to slide along the longitudinal direction of the push-pull unit, and is moved to a section by transferred power; a power transfer unit to transfer the power of a section movement of the push-pull unit to the gliding unit by being combined to the push-pull unit; a latch unit which forms a gliding guide unit to convert the power in a direction which is perpendicular to the section movement of the gliding unit, and is moved to the section in a direction which is perpendicular to a section movement direction of the gliding unit since the power of the section movement of the gliding unit is transferred to the gliding guide unit and a handle unit combined to the push-pull unit detachably. According to the present invention, a handle can be simply replaced by being fitted to a structure which opens the door by pushing or pulling the handle of the door. A decoration effect can be created by frequently replacing various types of handles such as a character or a beautiful image, etc. according to a room interior design and an advertisement effect can be created by simply mounting a handle wherein a logo, a trademark, a mark, etc. are carved. Moreover, the structure can be simplified and the number of components can be greatly reduced and productivity can be improved with a simple assembly and a unit price of a product can be reduced.

Description

[0001] Opening and Closing Device for Exit [

In the embodiment of the present invention, the door is simply opened and closed by pushing or pulling the handle of the door in the direction in which the door is opened, and a simple, precise and smooth opening and closing operation is performed. Type push-pull door opening / closing apparatus.

Generally, the door opening / closing apparatus has a rotary knob on both sides of a door, and a latch interlocking with each knob is projected on an end of the door. Accordingly, when the user holds the handle by hand, the latch is pulled to the inside of the door. When the door is pushed or pulled in this state, the door is opened.

However, in the related art, in order to open the door in a closed state, the door must be opened by sequentially performing two operations, that is, first turning the handle in one direction and then pushing or pulling the door. In other words, the door must be opened by pushing or pulling the door while the user holds the door handle by the hand and rotates, thereby making it difficult to open the door.

Particularly, the continuous operation in which the door is pushed or pulled in a state in which the handle of the door is rotated by one hand while being held by the hand is difficult for the child, the elderly, and the disabled to rotate the door handle, When a user holding a goods wants to access, there is an inconvenience that the carrying object should be lowered on the floor, then the door should be opened, and then the object should be carried in or out again.

In addition, when a crowd crowded in a government office, a theater or the like, or when an emergency occurs such as a fire or a flood requiring urgent evacuation, the operation of rotating the door handle is not quick and a safety accident may occur.

Recently, an opening / closing device for opening and closing the door by simply pushing or pulling the handle has been proposed without rotating the door handle, but most of the structure is complicated, many parts are used and it is difficult to assemble, There is a problem that the operation is not smooth and the accuracy of opening and closing is reduced.

In addition, in order to produce various and beautiful interior of the interior of the door, the handle of the door has always maintained a simple shape. Therefore, it is necessary to make various changes of the handle in accordance with the push-and-pull open / close structure instead of the rotary open / close structure of the handle, and to easily change the changed handle.

Korean Registered Utility Model: 20-0379909 (Notice date: March 28, 2005) Korea registered patent: 10-0909560 (Notice day 2009.07.27)

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

It is an object of the present invention to provide a push-pull type door opening / closing device capable of variously changing the shape of a handle in accordance with a structure in which a door is opened or closed by pushing or pulling the door in a direction in which the door is opened, Device.

It is another object of the present invention to provide a structure that can be operated simply and accurately so that there is no fear of failure, and it is easy to assemble to improve productivity and reduce the cost of a product by reducing parts, And a push-pull door opening / closing device capable of being operated by a handle.

In order to accomplish the above object, the present invention provides a push-pull door opening / closing apparatus of the present invention includes a push-pull portion passing through an interior of a door and being movably coupled to the door, A pushing portion which slides across the center of the push-pull portion, is slidably coupled along a longitudinal direction of the push-pull portion, and is moved in a section by a transmitted force; A power transmission unit coupled to the push-pull unit to transmit a force when the push-pull unit moves in the section to the slide unit; A slide guide portion for converting power in a direction perpendicular to the section movement of the slide portion is formed and a force at the time of moving the slide portion is transmitted to the slide guide portion to be perpendicular to the slide movement direction of the slide portion A latch unit for moving the latch unit; And a grip portion detachably coupled to the push-pull portion.

Further, the handle portion is characterized in that the push-pull portion is one-touch coupled or tightly coupled.

Wherein the push-pull portion of the push-pull portion is provided with an elastic piece on an outer surface of the push-pull portion, and an engaging groove, into which the elastic piece is inserted, is formed on an inner surface of the pull- And the engaging portion is engaged and restored in the engaging groove.

In this case, the elastic piece is formed of a plate spring bent outwardly, and the coupling groove is provided with a pin hole communicating with the outside so as to press and compress the elastic piece engaged with the coupling groove when the knob is separated, .

In addition, the one-touch engagement of the handle may be such that a collet is coupled to one end of the handle, and an engagement groove, which is engaged with the collet, is formed on the outer surface of the push- And the reverse engaging jaw is engaged by being engaged with the engaging groove of the push-pull portion.

Further, the one-touch engagement of the handle is elastically coupled to the groove formed in the outer surface of the push-pull portion, and when the external force is applied, the stopper is drawn into the groove and protruded from the groove when the external force is removed. And the stopper is inserted into the groove and protruded from the through hole to be engaged when the handle is fitted to the outside of the push-pull portion.

In addition, the one-touch engagement of the handle is provided with a locking protrusion protruding outwardly from the outer surface of the push-pull portion, and an insertion groove into which the locking projection of the push-pull portion is inserted and a locking groove extending from the insertion groove are provided on the inner side surface of the pull- And the engaging protrusion is engaged with the locking recess by engaging the locking protrusion when the tab is rotated in one direction with the engaging protrusion inserted into the insertion recess.

The engaging portion of the handle portion is engaged with a groove portion formed on the outer side of the one end portion of the push-pull portion and a protrusion formed on the inner side of the handle portion. The stepped portions protruding from the outer side surface of the push- And a coupling nut is fastened to the threaded portion formed on the outer surface of the other end of the handle and the outer surface of the step.

In addition, a thread is formed on an outer side surface of the push-pull portion and a thread is formed on an inner side surface of the pull-tab portion, and the push-pull portion and the handle portion are engaged with each other by screwing.

The grip portion may have a plurality of fastening holes formed in a front portion of the push-pull portion, and a coupling hole corresponding to the fastening holes of the push-pull portion may be formed in the fastening portion. And the bolt is fastened to the fastening hole of the part.

The slide guide portion of the latch portion is constituted by a guide hole including one surface of a free-form surface having a slope in a direction perpendicular to the section moving direction of the slide portion. The slide portion has a circular shape And a rod.

The push-pull portion includes a fixed bracket coupled to one surface and a rear surface of the door, a push-pull member coupled to the fixed bracket so as to be movable in an interval, And a push-pull bar having a lower surface on which a guide hole is formed to which the slide portion is coupled.

The slide portion is detachably coupled to the guide hole of the push-pull bar.

The slide portion may include a body passing through a guide hole of the push-pull bar, and a slide member coupled to both ends of the body protruding outward of the guide hole.

The power transmission unit includes a shaft coupled to the push-pull member and a pushing protrusion protruding from the shaft and transmitting a force when the shaft is moved in a section to the sliding unit.

In addition, the push-pull member is rotatably coupled with a lock key coupled to the shaft so as to selectively transmit a force during movement of the push-pull member to the sliding portion, the lock key controlling the shaft direction .

The latch portion is formed in a hollow shape to allow the push-pull portion to pass therethrough, and a slide guide portion into which the slide portion is inserted is formed at an upper portion and a lower portion of the latch portion. When the slide portion is moved, And a latch bolt coupled to one side of the operation member.

The door further includes a cover for guiding the movement of the latch portion, and the cover is fixed to the cover with a return spring for elastically supporting the operation member and imparting a restoring force to the operation member.

According to the embodiment of the present invention, it is possible to easily replace the handle in accordance with the structure in which the door is opened by pushing or pulling the handle of the door, and various kinds of handles such as characters and a beautiful image can be replaced And the effect of the advertisement can be produced by easily attaching the handle with the logo, the trademark, the mark, and the like. In particular, it is possible to classify each class by utilizing the characteristics of each class with various characters of classroom door handles of kindergartens, schools, and academies, and it is possible to induce children's interest and curiosity.

In addition, it is also possible to convert the force at the time of moving the section of the sliding section into the direction perpendicular to the moving direction of the sliding section, It is possible to greatly simplify the structure of the door opening / closing apparatus by the sliding guide unit to be performed, thereby greatly reducing the number of parts, and being easy to assemble, thereby improving the productivity and reducing the cost of the product .

In addition, there is no fear of failure due to accurate operation, and smooth opening and closing operation is performed through the free curved surface of the slide guide portion, thereby improving the merchantability.

In addition, when a crowd crowded in a government office or a theater is operated, it is operated by a pressing type rather than a rotary type so that it is easy to open a door to prevent a safety accident. Especially, when a door is melted when a fire occurs, In this case, it is possible to operate easily, thereby preventing a safety accident.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an outline of a push-pull door opening / closing apparatus according to an embodiment of the present invention; FIG.
2 is an exploded perspective view of a push-pull door opening / closing apparatus according to an embodiment of the present invention.
FIG. 3 is a half sectional perspective view showing a first embodiment of a coupling structure of a push and ornel member and a handle of a handle replacement type door opening / closing device according to an embodiment of the present invention; FIG.
FIG. 4 is a half sectional perspective view showing a second embodiment of a coupling structure of a push-and-come-forth member and a pull-tab portion of a handgrip interchangeable type door opening / closing device according to an embodiment of the present invention;
FIG. 5 is a half sectional perspective view showing a third embodiment of a coupling structure of a push and ornel member and a pull portion of a handgrip replacement type door opening / closing device according to an embodiment of the present invention; FIG.
FIG. 6 and FIG. 7 are a perspective view and a rear view showing a fourth embodiment of a coupling structure of a push and orhol member and a handle of a handle replacement type door opening / closing device according to an embodiment of the present invention.
FIG. 8 is a half sectional perspective view showing a fifth embodiment of a coupling structure of a push and ornel member and a pull portion of a handgrip interchangeable type door opening / closing device according to an embodiment of the present invention; FIG.
9 is a half sectional perspective view showing a sixth embodiment of a coupling structure of a push-and-come-out member and a pull-out portion of a handgrip interchangeable type door opening / closing device according to an embodiment of the present invention.
10 is a half sectional perspective view showing a seventh embodiment of a coupling structure of a push and orhol member and a handle of a handgrip interchangeable door opening / closing apparatus according to an embodiment of the present invention.
FIG. 11 is a perspective view illustrating a component that performs opening and closing operations in a handlebar replacement type push-pull door opening / closing apparatus according to an embodiment of the present invention; FIG.
12 (a) and 12 (b) are plan sectional views for explaining the operation of the push-pull door opening / closing apparatus according to the present invention in a locked state.
13 (a) and 13 (b) are plan sectional views for explaining the opening and closing operation of the door in the unlocked state of the push-pull door opening / closing apparatus according to the present invention example.

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. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a handle replacement type push-pull door opening / closing device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. For purposes of this specification, like reference numerals in the drawings denote like elements unless otherwise indicated.

FIG. 1 is a perspective view showing an outline of a handlebar replacement type push-pull door opening / closing apparatus according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of a handlebar replacement type push-pull door entry opening and closing apparatus according to an embodiment of the present invention .

As shown in FIGS. 1 and 2, the handle replacement type push-pull door opening / closing apparatus according to an embodiment of the present invention includes a push-pull portion that penetrates the inside of a door and is moveably connected to a door, A power transmitting portion coupled to the push-pull portion and transmitting a force when the push-pull portion is moved in a section to the pushing portion; A slide guide portion for converting power in a direction perpendicular to the movement of the main portion is formed and the force at the time of moving the slide portion of the slide portion is transmitted to the slide guide portion, And a handle portion detachably coupled to the push-pull portion.

The push-pull member 100 includes a fixed bracket 110 coupled to one surface and a rear surface of the door, a push-pull member 120 coupled to the fixed bracket 110 so as to be movable in a slidable manner, And a push-pull bar 140 which is coupled to the inside of the door and has a guide hole 141 through which the slide part 300 is coupled to the upper and lower surfaces.

Here, a hole penetrating the inside is formed on one surface and a rear surface of the door, and a fixing bracket 110, on which a hollow receiving portion 111 is formed, is coupled to a position corresponding to the hole. The fixing bracket 110 fixed to one surface of the door and the fixing bracket 110 fixed to the back surface of the door are connected to each other by a fixing pin 112 passing through the inside of the door.

The push-pull member 120 is inserted into the receiving portion 111 of the fixing bracket 110 and is coupled to the receiving portion 111 without detaching from the receiving portion 111 while being moved forward and backward. That is, the push-pull member 120 is coupled to the fixing bracket 110 coupled to one side and the back side of the door so as to be capable of being pressed and pulled.

The push-pull bar 140 has a hollow rectangular bar shape, and guide holes 141 are formed on the upper and lower surfaces in the longitudinal direction.

The push-pull bar 140 is installed inside the door, and both ends of the push-pull bar 140 pass through the hole of the door and are coupled to the push-pull member 120. That is, the push-pull bar 140 moves in the interlocking manner with the push-pull member 120 by the force when the push-pull member 120 is moved in the section.

The handle 200 is detachably coupled to the push-pull member 120 of the push-pull portion. More specifically, the handle 200 is one-touch coupled or fastened to the outside of the push-pull member 120.

FIGS. 3 to 10 are views showing first to seventh embodiments of the detachment structure of the push-pull member 120 and the handle 200. FIG. 3 to 7 illustrate a structure in which the handle portion is one-touch coupled to the push-pull member, and Figs. 8 to 10 show a structure in which the handle portion is fastened to the push-pull member.

3, the detachment structure according to the first embodiment of the push-pull member 120 and the handle 200 includes an elastic piece 121 on the outer surface of the push-pull member 120, An engaging groove 211 into which the elastic piece 121 is inserted is formed on the inner surface of the body 200.

The elastic piece 121 is formed of a leaf spring which is coupled to the outer surface of the push-pull member 120 and bent outwardly. The pin groove 212 is formed in the coupling groove 211 to communicate with the outside.

The elastic piece 121 of the push-pull member 120 is pressed and compressed by the inner surface of the handle 200 when the handle 200 is inserted into the push-pull member 120, And is engaged with the coupling groove 211 by being engaged with the coupling groove 211.

When the handle 200 is separated from the push-pull member 120, a pin is inserted into the pin hole 212 formed in the coupling groove 211 to press the elastic piece 121 caught in the coupling groove 211 When the grip portion 200 is compressed and then pulled out of the push-pull member 120, it is easily separated.

4, the detachment structure according to the second embodiment of the push-pull member 120 and the handle 200 includes a collet 221 coupled to one end of the handle 200, An engaging groove 122 is formed on the outer surface of the base 120 to be engaged with the collet.

Here, the collet 221 is formed with a latching protrusion 222 inside the body, and a control knob 223 for adjusting the inner diameter is provided outside the body.

Accordingly, when pulling the adjustment knob 223 of the collet 221 to raise the inner diameter of the collet 221, the handle 200 is fitted to the outside of the push-pull member 120, and then the adjustment knob 223 The engaging step 222 inside the collet 221 is engaged by being engaged with the engaging groove 122 of the push-pull member 120.

When separating the handle 200 from the push-pull member 120, the adjustment knob 223 of the collet may be pulled to move the collet 221 from the push-pull member 120 to the handle 200 The engaging protrusion 222 inside the collet is disengaged from the engaging groove 122 of the push-pull member 120 and is easily separated.

5, the detachment structure according to the third embodiment of the push-pull member 120 and the handle 200 includes a groove 123 formed on the outer surface of the push-pull member 120, A stopper 125 fixed to the elastic spring 124 is seated. That is, the stopper 125 is drawn into the groove 123 when an external force is applied, and protrudes outside the groove 123 when an external force is removed. A through hole 231 through which the stopper 125 is inserted is formed in the handle 200.

Therefore, when the handle 200 is inserted into the push-pull member 120, the stopper 125 is pushed by the inner surface of the handle 200 into the groove 123, (231).

When the handle 200 is detached from the push-pull member 120, the handle 200 is easily separated when the handle 200 is pulled out while the stopper 125 protruding outward of the through hole 231 is pressed.

6 and 7, the detachment structure according to the fourth embodiment of the push-pull member 120 and the handle 200 includes a locking protrusion 126 protruding outward from the outer surface of the push-pull member 120, The handle 200 includes an insertion groove 241 communicating with the rear surface of the handle and adapted to receive the engagement projection 126 of the push-pull member, and a locking groove 241 extending from the insertion groove 241. [ (242) is formed along the inner surface.

Accordingly, when the grip portion 126 of the push-pull member is inserted into the insertion groove 241 of the grip portion by fitting the grip portion 200 to the outside of the push-pull member 120 and then the grip portion 200 is rotated in one direction The engaging protrusion 126 is engaged with the locking groove 242 by being engaged.

When separating the handle 200 from the push-pull member 120, the handle 200 is rotated in the other direction so that the engagement protrusion 126, which is located in the locking groove 242, And then pulled out of the push-pull member 120, the pull-tab member 120 is easily separated.

8, the detachment structure according to the fifth embodiment of the push-pull member 120 and the handle 200 includes a groove 127 formed outside one end of the push-pull member 120, And the protrusion 251 is formed on the inner side of the push portion 120 and the groove portion 127 of the push-pull member and the protrusion 251 of the pull portion are fitted to each other. And the other end of the handle 200 is supported by the other end of the handle 200. The other end of the handle 200 is connected to the outer periphery of the step 128, A thread is formed.

The coupling nut 253 is inserted into the outer side of the other end of the push-pull member 120 and coupled to the outer surface of the other end of the knob 200 by a thread formed on the outer surface of the step 128.

When the grip portion 200 is separated from the push-pull member 120, it can be easily separated by unscrewing the lock nut 253 and pulling out the protrusion 251 of the grip portion from the groove portion 127 of the push-pull member 120.

9, the detachment structure according to the sixth embodiment of the push-pull member 120 and the handle 200 includes a male thread 129 formed on the outer surface of the push-pull member 120, A female thread 261 is formed on the inner surface of the push rod member 200 and the female threads 261 of the handle 200 are fastened to the male thread 129 of the push-

When the grip portion 200 is separated from the push-pull member 120, the grip portion 200 fastened to the push-pull member 120 is easily separated by rotating the grip portion 200 in the opposite direction of the fastening direction.

10, the push-pull member 120 and the handle 200 according to the seventh embodiment of the present invention have a plurality of fastening holes 130 formed in the front surface of the push-pull member 120, The handle 200 is provided with a coupling hole 271 corresponding to the coupling holes 130 of the push-pull member 120, and the coupling hole 271 of the handle portion and the coupling hole 130 of the push- (273) are fastened.

When the knob portion 200 is separated from the push-pull member 120, the knob portion 271 and the bolt 273 fastened to the fastening hole 130 are loosened so that the knob portion is separated from the push-pull member.

As described above, the handle 200 is detachably coupled to the push-pull member 120 and can be easily replaced as needed.

Further, the handle 200 can be formed in a shape that can be easily pressed or pulled, and can be formed in various shapes using a character shape, a beautiful image, a logo, and a mark, and thus can produce an effect of advertisement and decoration.

The detachment structure of the handle 200 can be applied to any structure in which the handle 200 is detachably coupled to the push-pull member 120, in addition to the embodiments described above.

FIG. 11 is a perspective view illustrating a component for performing opening and closing operations of a door in a handlebar replacement type push-pull door opening / closing apparatus according to an embodiment of the present invention.

11, the slide portion 300 is slidably engaged with the guide hole 141 formed in the upper and lower surfaces of the push-pull bar 140. As shown in FIG.

The sliding portion 300 includes a body 310 passing through the guide hole 141 of the push-pull bar 140 and a sliding body 320 coupled to both ends of the body 310 projecting outwardly of the guide hole 141. [ ≪ / RTI > Here, it is preferable that the sliding body 320 has a diameter larger than the diameter of the body 310, and is circular in sliding contact with the contact surface of the slide guide 511.

The sliding portion 300 may be formed of a circular rod slidably coupled to the guide hole 141 of the push-pull bar 140 and slidably contacting the sliding guide portion 511.

The power transmission unit 400 includes a shaft 410 disposed in the hollow interior of the push-pull bar 140 and coupled to the push-pull member 120, a shaft 410 protruding from the shaft 410, And a pressing projection 420 which transmits the pressing projection 420. [

At this time, the pressing protrusion 420 is located in front of the sliding part 300, and can press the sliding part 300 when the shaft 410 is moved in its section, and protrudes to a height at which rotation is possible inside the hollow push- do.

That is, when the handle portion 200 is pushed or pulled, the power transmitting portion 400 interlocks with the movement of the push-pull member 120 so as to move the shaft 410, and the pushing protrusion 420 ) Presses the sliding portion 300 and moves the movable portion 300 by the force of the sliding movement.

In addition, a lock (not shown) is coupled to the shaft 410 to selectively transmit the force during the movement of the push-pull member 120 to the sliding portion 300 at the center of the push- Key 430 is rotatably coupled.

Here, the lock key 430 may be a key bundle or an operation lever, and the key insertion groove of the key bundle or the operation surface of the operation lever may be exposed to the front portion of the knob 200 so that the user can operate the key lock.

The shaft 410 coupled to the lock key 430 is shifted by the pushing and pulling action of the knob 200 and the left and right rotations are performed according to the operation of the lock key 430. The pressing protrusion 420 protruding from the shaft 410 is in a state of intersecting or parallel to the sliding portion 300 along the rotation direction of the shaft 410.

The latch portion 500 includes an operation member 510, a latch bolt 520, a latch cover 530, and a return spring 540.

The operation member 510 is formed in a hollow shape so as to penetrate the push-pull bar 140 and has a slide guide portion 511 formed on the upper and lower surfaces thereof for converting power in a direction perpendicular to the movement of the slide portion 300 And a coupling hole 512 to which the latch bolt 520 is coupled is formed on one side surface.

Here, the slide guide portion 511 includes one surface of a free-form surface having a slope in a direction perpendicular to the moving direction of the slide portion 300. [ That is, the slide guide portion 511 is constituted by a guide hole including one surface of a free-form surface having a slope in a direction perpendicular to the moving direction of the slide portion 300. [ The guide hole may have various shapes such as a triangular shape, a square shape, and an elliptical shape including one side of a free curved surface having a slope in a direction perpendicular to the moving direction of the sliding portion 300.

The actuating member 510 is fitted to the outside of the push-pull bar 140 such that the slide portion 300 is inserted into the slide guide portion 511. That is, the operating member 510 is disposed across the outside of the push-pull bar 140, and the sliding body 320 of the sliding portion 300 is in contact with the free curved surface of the sliding guide portion 511.

The operation member 510 is smoothly moved in a direction perpendicular to the moving direction of the sliding part 300 by the free curved surface of the sliding guide part 511 when the sliding part 300 moves.

A latch bar 521 integrally formed with the latch bolt 520 is engaged with the engagement hole 512 of the operation member 510 and the latch bolt 520 is received in the latch cover 530.

The latch cover 530 is coupled to one side of the door and is inserted into the door, and one side of the latch cover 530 is opened so that the latch bolt 520 accommodated therein can be pulled out of the door.

In addition, a cover 600 for guiding the movement of the latch unit 500 and fixing the return spring 540 for elastically supporting the latch unit 500 is provided inside the door.

2, a through hole 610 through which the push-pull bar 140 passes is formed in the center of the cover 600, and the cover 600 has a through- And fixtures 630 protruding from the rim of one surface are formed at predetermined intervals so as to be bolted to the door.

The return spring 540 is engaged with the other side surface of the operation member 510 and the inner side wall of the cover 600 so that the return spring 540 is elastically supported by a force pushing the normal operation member 510, Thereby holding the coupled latch bolt 520 in a state protruding to the outside of the door. In addition, the return spring 540 is compressed when a force when the operation member 510 moves in the section is compressed, and then restored to the state before the movement when the force during the section movement is removed.

The operation of the hand-held replaceable push-pull door opening / closing apparatus according to an embodiment of the present invention will now be described.

12 (a) and 12 (b) are plan sectional views for explaining the operation in the locked state of the push-pull door opening / closing apparatus of the present invention, FIGS. 13 (a) and 13 (b) Sectional view for explaining opening and closing operations of the door in the unlocked state of the push-pull door opening / closing apparatus.

First, in order to lock the door so that the door is not opened, the latch bolt 520 of the push-pull access opening / closing device must be maintained in a state protruding to the outside of the door.

As shown in FIG. 12 (a), the lock state of the push-pull door opening / closing apparatus of the replaceable type is connected to the lock key 430 when the lock key 430 provided in the push-pull member 120 is rotated in one direction The shaft 410 of the power transmission portion is rotated in one direction and the pressing projection 420 is rotated so as not to intersect with the sliding portion 300, that is, parallel to the sliding portion.

12 (b), when the pusher 200 is pushed or pulled, the shaft 410 moves in conjunction with the movement of the push-pull member 120 coupled with the pull 200, And the pressing projection 420 provided on the shaft 410 passes through the sliding portion 300 without pressing.

As a result, the sliding portion 300 does not move from the power transmitting portion 400 to the pushing member 120 during the movement of the pushing member 120, and the latch portion 500 does not move, That is, the closed state of the door is maintained as it is. That is, even if the handle 200 is pushed or pulled, the door is not opened.

When the lock key 430 of the push-pull member 120 is rotated in the other direction as shown in FIG. 13 (a), the shaft of the power transmitting portion, which is connected to the lock key 430, The pressing projection 410 is rotated in the other direction and the pressing projection 420 is rotated so as to intersect with the sliding portion 300.

13 (b), when the pusher 200 is pushed or pulled, the shaft 410 is moved in the section in conjunction with the movement of the push-pull member 120, The presser protrusion 420 presses the slide portion 300 to move the slide portion 300 in the sectional direction.

The sliding guide portion 511 transmits a force transmitted from the sliding portion 300 to the sliding portion 300 of the sliding guide portion 511 through the sliding portion 300, And moves the operation member 510 in the direction perpendicular to the direction of movement of the slide member 300. The operation member 510 is moved in the direction perpendicular to the direction in which the slide member 300 is moved. At this time, the operation member 510 is smoothly and quickly moved by the free curved surface of the slide guide 511.

The operation of the operation member 510 is performed by pulling the latch bolt 520 protruded outside the latch cover 530 toward the inside of the latch cover 530 to open the door.

At this time, the return spring 540 elastically supporting the operation member 510 is compressed by the movement of the operation member 510.

13 (b), when the hand is released from the grip portion 200, the return spring 540 is rotated in the direction of the arrow A due to the removal of the force that moves the slide member 300 and the operation member 510 And returns the operating member 510 to the pre-movement state while being restored.

At this time, the operation member 510 returns the restoring force of the return spring 540 to the sliding portion 300, thereby returning the sliding portion 300 to the position before the sliding movement, The latch bolt 520 is projected to the outside of the latch cover 530, that is, to the outside of the door to close the door. That is, the state shown in FIG. 13 (a) is reached.

As described above, according to the present invention, the door is opened by pushing or pulling the handle of the door in the direction in which the door is opened, thereby improving convenience and practicality of use.

In addition, the handle can be variously changed according to the structure that the door is opened by pushing or pulling the handle of the door, and various kinds of knobs such as characters and a beautiful image can be replaced at any time according to the interior of the interior, And it is possible to easily attach a handle with a logo, a trademark, a mark, and the like to produce an advertisement effect.

Further, it is also possible to change the force at the time of moving the section of the sliding section to a direction perpendicular to the moving direction of the sliding section, and to open and close the latch section The slide guide unit can greatly simplify the structure of the door opening / closing apparatus, thereby greatly reducing the number of components and simplifying the assembly, thereby improving the productivity and lowering the unit cost of the product.

In addition, there is no fear of failure due to correct operation, and a smooth opening / closing operation is performed through the free curved surface of the slide guide portion.

In addition, when a crowd crowded in a government office or a theater is operated, it is operated by a pressing type rather than a rotary type so that it is easy to open a door to prevent a safety accident. Especially, when a door is melted when a fire occurs, If it is easy to operate, safety accidents can be prevented.

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: push-pull part 110: fixed bracket
111: receiving part 112: fixing pin
120: push-pull member 121:
122: coupling groove 123: groove
124: Elastic spring 125: Stopper
126: locking projection 127:
128: step 129: male threads
130: fastening hole 140: push-pull bar
141: Guide hole 200: Handle portion
211: coupling groove 212: pin hole
221: collet 222: latching jaw
223: Adjustment knob 231: Through hole
241: insertion groove 242: locking groove
251: projection 253: fastening nut
261: Female thread 271: Coupling ball
273: Bolt 300:
310: body 320:
400: Power transmission unit 410: Shaft
420: pressing projection 430: locking key
500: latch portion 510: operative member
511: slide guide part 512: engaging hole
520: latch bolt 521: latch bar
530: latch cover 540: return spring
600: cover 610: through hole
620: guide piece 630: fastener

Claims (18)

A push-pull portion penetrating through the inside of the door and being connected to the door so as to be movable in an interval;
A pushing portion which slides across the center of the push-pull portion, is slidably coupled along a longitudinal direction of the push-pull portion, and is moved in a section by a transmitted force;
A power transmission unit coupled to the push-pull unit to transmit a force when the push-pull unit moves in the section to the slide unit;
A slide guide portion for converting power in a direction perpendicular to the section movement of the slide portion is formed and a force at the time of moving the slide portion is transmitted to the slide guide portion to be perpendicular to the slide movement direction of the slide portion A latch unit for moving the latch unit; And
A handle portion detachably coupled to the push-pull portion;
And a handle-changeable push-pull door opening / closing device. The method according to claim 1,
Wherein the handle portion is one-touch coupled or fastened to the push-pull portion. 3. The method of claim 2,
Wherein the push-pull portion of the push-pull portion is provided with an elastic piece on an outer surface of the push-pull portion, and an engaging groove, into which the elastic piece is inserted, is formed on an inner surface of the pull- Wherein the engaging member is engaged by being compressed and then restored and engaged in the engaging groove. The method of claim 3,
Wherein the elastic piece is formed of a plate spring bent outwardly obliquely, and the coupling groove is provided with a pin hole communicating with the outside so as to press and compress the elastic piece engaged with the coupling groove when the knob is separated Wherein said push-pull door opening / closing device is a handle-changeable push-pull door opening / closing device. 3. The method of claim 2,
Wherein the collet is coupled to one end of the handle and the engagement groove is formed on an outer surface of the push-pull portion to be engaged with the collet so that when the handle is fitted to the outside of the push- And the jaw is engaged by being engaged with the engagement groove of the push-pull portion. 3. The method of claim 2,
The one-touch engagement of the handle portion is elastically coupled to the groove formed in the outer surface of the push-pull portion, and when the external force is applied, the stopper is inserted into the groove and protruded out of the groove when the external force is removed. Wherein the stopper is engaged with the stopper when the stopper is inserted into the groove and protruded from the through hole when the handle is fitted to the outside of the push-pull portion. 3. The method of claim 2,
Wherein the one-touch engagement of the handle is provided with a locking protrusion protruding outwardly from an outer surface of the push-pull portion, and an insertion groove into which the locking projection of the push-pull portion is inserted and a locking groove extending from the insertion groove are provided on the inner side surface of the pull- Wherein the engaging projection is engaged with the locking groove to engage when the handle is rotated in one direction with the locking protrusion inserted into the insertion groove. 3. The method of claim 2,
Wherein the engaging portion of the handle portion is engaged with the engaging portion formed between the groove portion formed on the outer side of the one end portion of the push-pull portion and the protruding portion formed on the inner side of the handle portion and the stepped portion protruding from the outer side surface of the push- And a coupling nut is fastened to a screw thread formed on the outer surface of the other end of the handle and the outer surface of the step. 3. The method of claim 2,
Wherein the fastener of the handle is formed by forming a thread on an outer surface of the push-pull portion, and a screw thread is formed on an inner surface of the handle, and the push-pull portion and the handle portion are fastened together by screwing. Full access door opening / closing device. 3. The method of claim 2,
Wherein a plurality of fastening holes are formed in a front portion of the push-pull portion, and a fastening hole is formed in the fastening portion corresponding to the fastening holes of the push-pull portion, And the bolt is coupled to the hole by being fastened. The method according to claim 1,
Wherein the slide guide portion of the latch portion is constituted by a guide hole including one surface of a free curved surface inclined in a direction perpendicular to the section moving direction of the slide portion and the slide portion is a circular rod slidingly contacted with the free curved surface of the slide guide portion Wherein said push-pull door opening / closing device is a push-pull type door opening / closing device. The method according to claim 1,
The push-pull unit includes a fixed bracket coupled to one surface and a rear surface of the door, a push-pull member coupled to the fixed bracket so as to be movable in a sectional direction, And a push-pull bar in which a guide hole to which the slide portion is coupled is formed on the push-pull bar. 13. The method of claim 12,
And the slide portion is detachably coupled to the guide hole of the push-pull bar. 14. The method of claim 13,
Wherein the sliding portion comprises a body passing through a guide hole of the push-pull bar, and a sliding member coupled to both ends of a body protruding outward of the guide hole. 13. The method of claim 12,
Wherein the power transmitting portion comprises a shaft coupled to the push-pull member, and a pushing protrusion protruding from the shaft and transmitting a force when the shaft is moved in the section to the sliding portion. . 16. The method of claim 15,
And a lock key coupled to the shaft to selectively transmit a force during movement of the push-pull member to the slide unit, the lock key being rotatably coupled to the push-pull member to control the shaft direction. Type push-pull door opening / closing device. The method according to claim 1,
The latch portion is formed in a hollow shape to allow the push-pull portion to pass therethrough, and a slide guide portion for inserting the slide portion is formed at an upper portion and a lower portion of the slide portion, and is moved in a direction perpendicular to the section moving direction of the slide portion when the slide portion is moved An operation member, and a latch bolt coupled to one side of the operation member. 18. The method of claim 17,
Wherein the door further includes a cover for guiding the movement of the latch portion, and a return spring for elastically supporting the operation member and imparting a restoring force to the operation member is fixed to the cover, Full access door opening / closing device.

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