KR102239967B1 - Lock handle for door - Google Patents

Abstract

In the present invention, through an open hole formed on the inner surface of a case composed of a'b' shape, a pressing part exposed to the outside of a part of the body and a fastening part fastened with a bolt to the pressing part are moved a certain distance from the inside of the case by external force. At this time, it relates to a lock handle for a door that is configured to open a door in a locked state by entering a part of the locking part inserted into the door by a rotating part that rotates by a certain angle axis while being caught in the connection bar formed in the fastening part. .
In the lock handle for a door according to the present invention, an open hole that communicates the space formed inside and the outside is formed along the length direction of the inner surface, and an exit hole that communicates the space and the outside is formed on one side of the outer surface. 'Shaped case, supported by springs fastened to a pair of support portions constituting both end portions, installed to expose a part to the outside through an open hole, and protruding portions formed on each support portion to form a fastening groove inward The fastening part fastened to the pressing part by a bolt fastening method, and the locking groove on which the connecting bar is fastened are located in the longitudinal direction so that the connecting bar in which the pressing part and the inclined part in opposite directions protruding toward the pressing part are installed along the length direction of the fastening groove. A polygonal vertical axis that is formed in the middle and is configured to rotate at a certain angle by the fastening unit and passes through the exit hole is formed to protrude in one direction, and is installed adjacent to the distal end of the rotating unit to rotate the axis. It characterized in that it is configured to include a locking portion configured to reciprocate.

Description

Lock handle for door

The present invention relates to a lock handle for a door, and more particularly, bolts to the pressing portion and the pressing portion where a part of the body is exposed to the outside through an open hole formed on the inner surface of a case consisting of a'b' shape. When the fastening part moves a certain distance inside the case by external force, a part of the locking part inside the door enters the inside of the case and is locked by the rotating part that rotates at a certain angle while being caught by the connecting bar formed in the fastening part. It relates to a door lock handle configured to open.

In general, as a means for coupling a door or window used as a means for opening or closing a space inside a building to a door frame or window frame, a locking device composed of a cam, locker, etc. is used, and the internal structure of such a locking device The question of how to configure the product is a very important issue in terms of product production cost, production speed, and defect rate.

In other words, if the internal structure of the locking device is complicated and the number of parts required for the product configuration increases, there is a problem that the production cost of the product increases and the production speed decreases, and the possibility of defects in the product increases. Compared to the conventional locking device, the development of a product having a simple structure but excellent performance can be said to be a problem facing those skilled in the art.

Invention related to a conventional locking device to solve this problem is the "window automatic locking device" of Korean Laid-Open Patent Publication No. 10-2008-0038667 and the "automatic locking device for sliding doors" of Korean Laid-Open Patent Publication No. 10-2009-0118841 ", "Automatic window locking device" of Korean Patent Application Publication No. 10-2010-0043426 and "automatic locking device for sliding doors" of Korean Utility Model Publication No. 20-0477705 have been proposed and disclosed.

The “window automatic locking device” of the Korean Patent Application Publication No. 10-2008-0038667 is configured to lock the window automatically when the window is closed, providing convenience of use, and a locking device capable of inexpensive manufacturing due to its simple configuration. In the "Sliding Door Automatic Locking Device" of the Korean Patent Application Publication No. 10-2009-0118841, the intrusion of outsiders can be effectively prevented by closing the door and setting the lock at the same time. An invention has been proposed for an automatic locking device in which the locked state can be easily released even if the rotation angle is small.

In addition, the "window automatic locking device" of the Korean Patent Application Laid-Open No. 10-2010-0043426 has a slim structure, so it is easy to construct and can be applied to a window frame with a small cross-sectional area, reducing manufacturing cost and mass production. An invention related to this easy automatic window locking device has been proposed, and in the "automatic locking device for sliding doors" of the Korean Utility Model Publication No. 20-0477705, the locking state is stabilized even for windows that are gradually increasing in size and increasing in height. Invention has been proposed for an automatic locking device that can be maintained in a manner that can prevent damage or deformation of the case, and that locking and unlocking the door is stably performed.

Therefore, by simplifying the internal structure with reference to the conventional inventions as described above, the production cost of the product can be reduced, the production speed can be improved, the defect rate can be reduced, but the development of a product with excellent performance is It is a required situation.

Republic of Korea Patent Publication No. 10-2008-0038667 (2008. 05. 07) Republic of Korea Patent Publication No. 10-2009-0118841 (2009. 11. 18) Republic of Korea Patent Publication No. 10-2010-0043426 (2010. 04. 29) Republic of Korea Utility Model Publication No. 20-0477705 (2015. 07. 06)

The lock handle for a door according to the present invention refers to the prior inventions as described above,

Its purpose is to present a door lock handle that can reduce the production cost, improve the production speed, and reduce the defect rate by simply configuring the internal structure, but guarantee excellent performance.

The locking handle for a door according to the present invention is to achieve the above object,

A'b'-shaped case in which an open hole communicating the space formed inside and the outside is formed along the length direction of the inner surface, and an exit hole communicating the space and the outside is formed on one side of the outer surface;

A pressing portion supported by a spring fastened to a pair of support portions constituting both end portions, and installed to expose a part to the outside through the opening hole, and a protrusion formed on each of the support portions to form a fastening groove inward ;

A fastening part fastened to the pressing part by a bolt fastening method so that a connection bar having an inclined part protruding from each other toward the pressing part is installed along the length direction of the fastening groove;

A rotating portion in which the connecting bar is engaged is formed in a middle portion along the length direction, and configured to rotate at a predetermined angle by the fastening portion; And,

A locking portion having a polygonal vertical axis penetrating the exit hole protruding in one direction, and being installed adjacent to an end portion of the rotating portion and configured to reciprocate by a rotating portion that rotates the axis; It presents a locking handle for a door, characterized in that configured to include.

The lock handle for a door according to the present invention,

Consists of only a pressing part provided inside the case formed in a'b' shape, a fastening part fastened to the pressing part, a rotating part that rotates when the fastening part moves while being caught in the fastening part, and a locking part interlocked with the rotating part. , The production cost of the product is reduced, the production speed is improved, the defect rate is reduced, but excellent performance is guaranteed.

Figure 1 (a) is an external perspective view of a lock handle for a door according to the present invention.
Figure 1 (b) is an exemplary view showing a state in which the pressing portion of the lock handle for a door according to the present invention is moved to the inside of the case by an external force a certain distance.
2(a) and 2(b) are exemplary views showing a state in which the pressing part and the fastening part of the lock handle for a door according to the present invention are coupled by a bolt fastening method.
Figure 3 is an external perspective view showing a rotating portion and a locking portion of the lock handle for a door according to the present invention.
4 is an exemplary view showing a state in which the pressing part, the fastening part, the rotating part, and the locking part of the lock handle for a door according to the present invention are fastened.
5(a) and 5(b) are exemplary views showing a state in which the pressing part and the fastening part of the door locking handle according to the present invention move inside the case.
Figure 6 is an exemplary view showing a state in which the rotating part of the lock handle for a door axially rotates, and the locking part is interlocked with the rotating part to move according to the present invention.
Figure 7 (a) is an exemplary view showing a state in which the fastening part of the door lock handle according to the present invention is installed in the case.
Figure 7 (b) is an exemplary view showing a reference portion and a reference groove of the lock handle for a door according to the present invention.

The present invention relates to a lock handle for a door,

A'b'-shaped case 100 in which an open hole communicating the space formed inside and the outside is formed along the length direction of the inner surface, and an exit hole communicating the space and the outside is formed on one side of the outer surface;

Supported by springs 112 that are respectively fastened to a pair of support portions 111 constituting both end portions, and are installed to expose a part to the outside through the open hole, and protrusions 113 are respectively provided on the support portions 111 A pressing portion 110 protruding to form a fastening groove 114 inwardly;

The pressing portion 110 by a bolt-fastening method so that the connecting bar 122 on which the inclined portions 121 in opposite directions protruding toward the pressing portion 110 are installed along the length direction of the fastening groove 114. A fastening part 120 that is fastened to);

A rotation part 130 configured to axially rotate at a predetermined angle by the fastening part 120 and the locking groove 131 in which the connection bar 122 is caught is formed in the middle along the length direction; And,

A polygonal vertical shaft 141 penetrating the exit hole is formed to protrude in one direction, and a locking part 140 configured to reciprocate by a rotating part 130 that is installed adjacent to the distal end of the rotating part 130 and rotates the axis. ); It relates to a lock handle for a door, characterized in that configured to include.

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

First, as shown in Fig. 1(a), the case 100 has an external shape of a'b' shape, and an open hole communicating the space formed inside and the outside is formed along the length direction on the inner surface. As a result, a part of the pressing part 110 to which an external force by a user who intends to open the door directly acts can be exposed to the outside through the opening hole.

In addition, the case 100 has an exit hole that communicates the inner space and the outside on one side of the outer surface, so that the pressing part 110 and the fastening part 120 move a certain distance by an external force of the user. The vertical axis 141 of the locking part 140 interlocked with the rotating part 130 configured to rotate accordingly is exposed to the outside through the exit hole.

Therefore, the case 100 is installed on one side of the door so that the inner surface in which the opening hole is formed faces the direction in which the door is closed, and the outer surface in which the exit hole is formed is in direct contact with the door, so that the user can use the pressing part. When (110) is pressed, an external force is applied in the direction in which the door is opened, so that the door can be opened.

On the other hand, the pressing part 110 is installed inside the case 100 so that a part of the body is exposed to the outside through the opening hole, and each case ( A spring 112 configured to support the pressing portion 110 by contacting the inner surface of 100) is fastened.

Therefore, as shown in Fig. 1(b), the pressing unit 110 can move a certain distance in the inner direction of the case 100 by an external force applied by a user who wants to open the door, but as soon as the external force is removed It is configured to be able to return to its original position.

In addition, as shown in Figure 2 (a), the pair of support portions 111 constituting both end portions of the pressing portion 110 has a square-shaped protrusion 113 protruding on one side thereof, and one side thereof is An open-shaped hollow is formed inside, and is connected to each other by a straight connection part 116 so that a fastening groove 114 to which the fastening part 120 is fastened can be formed between each of the protrusions 113. .

At this time, the pair of support portions 111 constitute both ends of the pressing portion 110 in a symmetrical shape, and one end portion of the spring 112 is fixed to the pressing portion 110 in the hollow. A spring fixing part 115 is formed in the connection part 116, and a hollow opening in the same direction as the opening direction of the support part 111 is formed therein, so that the pressing part by each hollow (110) can be lightened.

In addition, the direction in which the protrusions 113 formed on each of the pair of support parts 111 protrude and the direction in which the fastening groove 114 is formed by the protrusions 113 are the pressing parts 110 in the case ( 100) is a direction toward the inside of the case 100 when installed inside, and the opposite side exposed to the outside through the opening hole is a part to which an external force is applied by a user who wants to open the door, so a curve suitable for the purpose It is preferably formed in a shape such as a mold.

In addition, as shown in Figs. 1A and 1B, when the case 100 is installed on one side of the door, patterns of various shapes for providing decoration are formed on one side of the case 100 facing the outside. It may be, and one side thereof may be configured to be detachable from the case 100 so that the user can selectively replace the pattern or the like.

Meanwhile, the spring 112 is an elastic member configured to allow the other end portion to contact the internal structure of the case 100 to support the pressing portion 110, and is applied to the pressing portion 110 by an external force applied by the user. ) Is compressed when it moves in the inner direction of the case 100 for a certain distance, and is preferably composed of a compression coil spring so as to generate a restoring force due to elasticity.

In this case, in the case 100, a spring groove into which the other end portion of the spring 112 is inserted is provided in the pressing portion 110 so that the spring 112 can stably support the pressing portion 110. It may be formed in the same number as the number of springs 112 fastened to.

That is, the spring 112 is configured such that one end portion is fixed to the spring fixing portion 115, and the other end portion is configured to be inserted into the spring groove, thereby being fastened to the pressing portion 110, and the case 100 It is configured to stably support the pressing unit 110 in an unfastened state, and to provide a restoring force as soon as an external force is applied by the user.

In addition, the protrusion 113 may have one or more circular or polygonal protrusions 117 formed in the same direction as the direction in which the protrusion 113 protrudes from the support 111, and the one or more protrusions 117 is inserted into one or more protrusion holes 126 or protrusion grooves formed at both end portions of the fastening part 120, so that the fastening part 120 is always fastened at the same position on one side of the pressing part 110. To be able to.

Accordingly, the protrusion 117 is preferably configured to be fitted into the protrusion groove or the protrusion hole 126, and in addition to this, the inside of the fastening groove 114 formed by the pair of protrusions 113 A bolt groove or a bolt hole into which a bolt can be inserted is formed on one side of each of the pair of support parts 111 constituting a surface, so that the fastening part 120 is fastened to the pressing part 110 by a bolt fastening method. To be able to be.

In addition, as shown in FIG. 2(b), the fastening part 120 is based on the connection bar 122 in which the inclined parts 121 in opposite directions toward the pressing part 110 protrude. Thus, both ends of the'b' shape are configured to be symmetrical to each other, and a pair of arm frames 124 forming an interior space 125 therebetween are configured to extend left and right, respectively, and the pair of arm frames (124) A bolt hole corresponding to the bolt groove or the bolt hole is formed in each of the bolt holes so that the fastening part 120 can be fastened to the pressing part 110 by a bolt fastening method.

Therefore, the fastening part 120 that can be tightly fastened to the pressing part 110 by a bolt fastening method is when the pressing part 110 moves a certain distance in the inner direction of the case 100 by an external force applied by a user. By moving a certain distance together with the pressing part 110, the rotating part 130, which is caught in the connection bar 122, is pushed and rotated at a certain angle.

Specifically, as shown in FIG. 3, the rotating part 130 has a shaft part 132 having a cylindrical shape or a cylindrical body at both ends of the rotating part 130 so as to be axially rotatable while being fastened to the case 100. It characterized in that the asymmetrical locking groove 131 in which the connection bar 122 is caught is composed of a locking portion 133 formed on one side toward the side, and as shown in FIG. 4, the locking groove 131 ), the connection bar 122 is installed inside the case 100 so as to form an inner shape.

In addition, as an embodiment of the present invention, the locking part 133 has a first extension protruding diagonally upward from one side of the shaft 132, and protruding horizontally from the end of the first extension. And a third extension protruding diagonally downward from an end of the second extension; a fourth extension protruding diagonally upward from an end of the third extension; and the fourth extension It may be configured to include a fifth extension portion protruding in the horizontal direction from the end of the negative, the locking groove 131 is formed by the configuration of the third extension portion and the fourth extension portion, and the fifth extension portion Thus, the locking part 140 is configured to reciprocate.

Therefore, as shown in Figs. 5(a), 5(b) and 6, the rotating part 130 is the pressing part 110 and the fastening part ( When 120 is moved a certain distance in the inner direction of the case 100, it is pushed by the connection bar 122 and is configured to rotate at a certain angle around the shaft part 132, for this reason, the locking groove 131 The inner surface of) is a shape in which the connecting bar 122, in which the inclined portions 121 in opposite directions to each other protrude toward the pressing portion 110, fit, that is, the inclined portion 121 of the connecting bar 122 It is preferable to be configured in the same shape as ).

In addition, as shown in Figures 7 (a) and 7 (b), one side of the case 100 is a pair of fixings configured to be inserted into both ends of the shaft portion 132 configured in a cylindrical shape, respectively A groove 105 may be formed, and a closing portion may be formed on the other side of the case 100 on the opposite side to close the entrance side of the fixing groove, which is open toward the inside of the case 100. Due to the configuration, the shaft portion 132 can be rotated while being fixed inside the case 100.

Meanwhile, an inclined surface is formed at one end of the vertical shaft 141 that is exposed to the outside through the exit hole, so that the door can be locked or opened in a push method instead of a rotation method, and in addition to this, the inside of the vertical shaft 141 is opened. By forming a hollow to a predetermined depth from the other end of the vertical shaft 141, the tension spring providing a tensile force to the locking portion 140 can be inserted into the hollow.

In addition, as shown in FIG. 7B, a reference portion 106, which may be configured in various shapes, may be formed on an inner side of the case 100 to protrude toward the inner side of the case 100, and the locking portion ( At one side of the 140), corresponding to the reference portion 106, a reference groove 142 into which the reference portion 106 can be inserted may be formed, and by this configuration, the locking portion 140 is always the same. It can be inserted into the inside of the case 100 in a posture.

That is, as described above, an inclined surface is formed at one end of the vertical shaft 141, and the locking device provided inside the door in which the locking handle for the door is installed is configured to operate in response to the inclined surface. The 140 should always be inserted into the case 100 in the same shape.

Accordingly, in the present invention, by protruding the reference portion 106 on an inner side of the case 100 and forming the reference groove 142 on one side of the locking portion 140, the locking portion 140 So that the inside of the case 100 can always be inserted in the same shape.

In addition, as shown in FIGS. 2A, 4, 5A and 5B, wedge grooves 127 formed in a wedge-shaped shape in which both end portions are symmetrical to each other may be formed at both end portions of the fastening portion 120. In addition, the wedge groove 127 is used for limiting the moving direction of the pressing part 110 and the fastening part 120 due to the relationship with the internal structure of the case 100, and has its significance. Have.

In addition, as shown in FIGS. 7(a) and 7(b), each wedge groove 127 formed at both ends of the fastening part 120 is engaged on one side of the case 100. It is configured that a pair of first guide portions 101 guiding the moving direction of the fastening portion 120 may be formed to be spaced apart from each other.

In addition, a pair of second guide portions 102 may be formed on one side of the case 100 so as to catch one of the side walls formed inside the frame groove 123, and , The third guide part 103 may be formed in a'b' shape so that some of the distal ends of both sides of the fastening part 120 are inserted into the inner shell thereof.

That is, the first guide portion 101 is configured to engage with the wedge groove 127, the second guide portion 102 is configured to be caught on one side wall of the frame groove 123, and the third As the guide part 103 is configured to be inserted into the inner corner of the fastening part 120, the fastening part 120 moves only in one limited direction together with the pressing part 110 in the case 100. In addition to this, the fixing groove may be formed on one side of the case 100, and a pair of spring support portions 104 having a rounded end portion protruding toward the inside of the case 100 Can be.

The embodiments introduced above are provided by way of example in order to sufficiently convey the technical idea of the present invention to those of ordinary skill in the technical field to which the present invention pertains, and the present invention is based on the above-described embodiments. It is not limited and may be embodied in other forms.

In order to clearly describe the present invention, parts irrelevant to the description are omitted from the drawings, and in the drawings, the width, length, thickness, etc. of components may be exaggerated or reduced for convenience.

In addition, the same reference numbers throughout the specification indicate the same elements.

100: case
101: first guide part
102: second guide part
103: 3rd guide part
104: spring support
105: fixed part
106: reference part
110: pressing part
111: support 112: spring
113: protrusion 114: fastening groove
115: spring fixing part
116: connection portion 117: protrusion
120: fastening part
121: inclined part 122: connecting bar
123: frame groove 124: arm frame
125: interior space 126: protruding groove
127: wedge groove
130: rotating part
131: locking groove 132: shaft
133: locking part
140: locking part
141: vertical axis 142: reference groove

Claims (5)

A'b'-shaped case 100 in which an open hole communicating the space formed inside and the outside is formed along the length direction of the inner surface, and an exit hole communicating the space and the outside is formed on one side of the outer surface;
Supported by springs 112 that are respectively fastened to a pair of support portions 111 constituting both end portions, and are installed to expose a part to the outside through the open hole, and protrusions 113 are respectively provided on the support portions 111 A pressing portion 110 protruding to form a fastening groove 114 inwardly;
The connecting bar 122 in which the inclined portions 121 in opposite directions protrude to one side is configured to connect both ends of the'b' shape, and both ends of the'b' shape are the pressing portions ( A fastening part 120 that is in close contact with the pressing part 110 by using a bolt fastening method in a state in which the inclined part 121 faces the fastening groove 114;
A rotation part 130 configured to axially rotate at a predetermined angle by the fastening part 120 and the locking groove 131 in which the connection bar 122 is caught is formed in the middle along the length direction; And,
A polygonal vertical shaft 141 penetrating the exit hole is formed to protrude in one direction, and a locking part 140 configured to reciprocate by a rotating part 130 that is installed adjacent to the distal end of the rotating part 130 and rotates the axis. ); Locking handle for a door, characterized in that configured to include a.
The method of claim 1,
The pressing part 110,
One side of the protrusion 113 is formed to protrude, one side of the open-shaped hollow is formed inside, the spring 112 is fixed to the spring fixing portion 115 is a pair of provided inside the hollow It characterized in that the support portion 111 is disposed at the distal end in a form symmetrical to each other,
The pair of support portions 111 is a locking handle for a door, characterized in that configured to be connected by a straight connection portion (116).
The method of claim 1,
The rotating part 130,
Both ends of the shaft portion 132 configured in a cylindrical shape; And,
A locking portion 133 in which an asymmetrical locking groove 131 through which the connection bar 122 is caught is formed toward the side; Locking handle for a door, characterized in that configured to include a.
The method of claim 1,
The lock handle for the door,
So that the locking part 140 can always be inserted into the case 100 in the same shape,
The case 100 is characterized in that the reference portion 106 is formed to protrude toward the inside on one side thereof,
A locking handle for a door, characterized in that a reference groove (142) into which the reference portion (106) is inserted is formed at one side of the locking portion (140).
The method of claim 1,
The lock handle for the door,
At both ends of the fastening portion 120,
It characterized in that the wedge groove 127 configured in a wedge-shaped shape in which both end portions are symmetrical to each other is formed,
Inside the case 100,
A lock handle for a door, characterized in that a pair of first guide portions 101 for guiding the moving direction of the fastening portion 120 in correspondence with the wedge groove 127 are formed.

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