KR102196814B1 - Handle for door - Google Patents

Abstract

The present invention relates to a handle for a door, which can operate a locking device for fixing a door to a door frame by rotating a cam mechanism having a plurality of sawteeth engaged with a sawtooth groove formed in a fastening unit when a pressing unit having a part of a body exposed to the outside through an open hole formed in an inner angular surface of a case formed in an ′L′-shape and a fastening unit fastened to the pressing unit by a bolt are moved by a predetermined distance inside a case by an external force. According to the present invention, the handle for the door comprises: an ′L′-shaped case formed with an opening hole for communicating a space formed therein with the outside in a longitudinal direction of an inner angular surface, and an exit hole for communicating the space with the outside at one side of an outer angular surface; a pressing unit supported by a spring separately fastened to a support unit forming both ends, installed to have one end to be exposed to the outside through the opening hole, and having a protrusion protruding from the support unit to form a fastening groove therein; a fastening unit in which a pair of arm frames having both ends ′inverted L′-shaped are symmetrically formed with respect to an inner groove having both side surfaces open and formed with a plurality of sawtooth grooves along an inner wall are formed to extend horizontally, and be fastened to the inside of the fastening groove in a bolt-fastening scheme; and a cam mechanism having a plurality of sawteeth engaged with the sawtooth grooves to protrude from a part of the outer circumference, and having a polygonal rotating shaft penetrating the exit hole formed to protrude in a direction perpendicular to the sawteeth.

Description

Handle for door {Handle for door}

The present invention relates to a handle for a door, and in more detail, through an open hole formed on the inner surface of a case configured in a'b' shape, a part of the body is exposed to the outside and a bolt is fastened to the pressing portion. Door handle configured to operate the locking device that fixes the door to the door frame by rotating the cam mechanism having a plurality of teeth that mesh with the toothed groove formed in the joint when the joint moves a certain distance inside the case by external force It is about.

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 or a locker 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.

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

The "window automatic locking device" of the Korean Patent Application Laid-Open No. 10-2008-0038667 is configured to lock the window automatically when the window is closed, providing convenience of use, and a locking device that can be manufactured inexpensively 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. An invention has been proposed for an automatic locking device that can be easily unlocked 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 section, 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 can be stably operated.

Therefore, by simplifying the internal structure with reference to the above-described conventional inventions, 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 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 handle for a door according to the present invention refers to the prior inventions as described above,

Its purpose is to provide a door 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 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 each of the support portions constituting both end portions and installed to expose a portion to the outside through the opening hole, and each protruding portion protruding from the support portion to form a fastening groove inward;

A pair of arm frames in which both ends are configured to be symmetrical to each other with respect to the inner indentation grooves in which both sides are open and a plurality of toothed grooves are formed along the inner wall are formed extending from side to side, and bolts A fastening part fastened into the fastening groove in a fastening manner; And,

A cam mechanism in which a plurality of teeth engaged with the plurality of teeth grooves protrude along a part of an outer periphery, and a polygonal rotation axis penetrating the exit hole protrudes in a direction perpendicular to the teeth; It presents a handle for a door characterized in that it is configured to include.

Door handle according to the present invention,

Consisting of only the pressing part provided inside the case in a'b' shape, the fastening part fastened to the pressing part, and a cam mechanism that rotates by the movement of the pressing part, the production cost of the product is reduced and the production speed is improved. The defect rate is reduced, but excellent performance is guaranteed.

1 (a) is an external perspective view of a handle for a door according to the present invention.
1(b) is an exemplary view showing a state in which the pressing part of the handle for a door according to the present invention moves a certain distance toward the inside of the case.
Figure 2 is an exemplary view showing a state in which the pressing portion and the fastening portion of the door handle according to the present invention are coupled by a bolt fastening method.
Figure 3 is an exemplary view showing a state in which the cam mechanism of the handle for the door according to the present invention is installed in the inner groove.
4(a) and 4(b) are exemplary views showing a state in which the cam mechanism rotates by the movement of the pressing part and the fastening part of the door handle according to the present invention.
Figure 5 is an internal perspective view showing a state in which the fastening part of the door handle according to the present invention is seated in the case.

The present invention relates to a handle for a door,

An open hole 101 communicating the space formed inside and the outside is formed along the longitudinal direction of the inner surface, and an exit hole communicating the space and the outside is formed on one side of the outer surface. 100);

Supported by springs 112 that are respectively fastened to support portions 111 constituting both end portions, and are installed so that a part thereof is exposed to the outside through the opening hole 101, and protrusions 113 are respectively provided on the support portions 111 A pressing portion 110 protruding to form a fastening groove 114 inwardly;

A pair of arm frames 123 in which both ends are configured to be symmetrical to each other with both ends configured in a'b' shape based on the inner inlet groove 122 in which both sides are open and a plurality of toothed grooves 121 are formed along the inner wall A fastening part 120 which is formed to extend left and right and is fastened to the inside of the fastening groove 114 by a bolt fastening method; And,

A plurality of teeth 131 engaged with the plurality of teeth grooves 121 are formed to protrude along a part of the outer periphery, and a polygonal turning shaft 132 passing through the exit hole is a right angle direction of the teeth 131 A cam mechanism 130 formed to protrude into; It relates to a 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 101 communicating the space formed inside and the outside is longitudinal direction It is formed along the way, so that a part of the pressing part 110 to which an external force by a user who tries to open the door directly acts can be exposed to the outside through the opening hole 101.

In addition, the case 100 is configured to rotate as the pressing part 110 moves a certain distance by the external force of the user by forming an exit hole communicating the internal space and the outside on one side of the outer surface. The turning shaft 132 of the cam mechanism 130 can be 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 on which the open hole 101 is formed faces the direction in which the door is closed, and the outer surface on which the exit hole is formed is in direct contact with the door. When the pressing part 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 101, and each of the pair of support parts 111 constituting both ends A spring 112 configured to support the pressing portion 110 by contacting the inner surface of the case 100 is fastened.

Therefore, as shown in Fig. 1(b), the pressing part 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 immediately after the external force is removed It is configured to be able to return to its original position.

In addition, as shown in FIG. 2, 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, and one side is opened. A hollow of the shape 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 end portions 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 provided to enable the connection part 116 to have a hole opened in the same direction as the direction in which the hole of the support part 111 was opened, so that the pressing by each hole The unit 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 defined as the pressing part 110 in the case ( 100) is a direction facing the inside of the case 100, and the opposite side exposed to the outside through the open hole 101 is a part to which an external force is applied by a user who wants to open the door. It is preferably formed in a shape such as a curved shape suitable for.

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 by an external force applied by the user, the pressing portion 110 ) Is compressed when moving a certain distance in the inner direction of the case 100 and is preferably composed of a compression coil spring so as to generate a restoring force by elasticity.

In this case, in the case 100, a spring groove in which the other end of the spring 112 is inserted is provided in the pressing part 110 so that the spring 112 can stably support the pressing part 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 In the non-fastened state, the pressing unit 110 is stably supported and configured to provide a restoring force according to the situation.

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 ends 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. Make it possible.

Therefore, 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.

In addition, as shown in Fig. 2, the fastening part 120 has a'b' shape based on the inner inlet groove 122 in which both sides are open and a plurality of toothed grooves 121 are formed along the inner wall. A pair of arm frames 123 having distal ends symmetrical to each other are configured to extend left and right, respectively, and each of the pair of arm frames 123 has a bolt hole corresponding to the bolt groove or bolt hole. The fastening part 120 may 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 portion 110, a part of the body is configured to rotate the cam mechanism 130, which is configured to be inserted into the inner groove 122.

Specifically, as shown in Fig. 3, the cam mechanism 130 has a plurality of teeth 131 protruding along the outer periphery, preferably three teeth 131 protruding in three directions, the The polygonal turning shaft 132 passing through the exit hole is configured to protrude in a right angle direction of the teeth 131, and the plurality of teeth 131 may be engaged with the plurality of teeth grooves 121. It is installed inside the inner groove (122).

Therefore, as shown in Figs. 4(a) and 4(b), the cam mechanism 130 is the pressing unit 110 and the fastening unit 120 by an external force applied by a user who wants to open the door. When the case 100 moves a certain distance in the inward direction of the case 100, the plurality of teeth 131 are rotated in a state in which the plurality of teeth 131 are engaged with the plurality of teeth grooves 121 formed on the inner wall of the inner groove 122, thereby rotating the rotation shaft ( The door lock connected to 132) can be operated.

At this time, the plurality of teeth 131 formed in the cam mechanism 130 is a plurality of teeth grooves formed on the inner wall of any one of the inner walls of both sides of the inner groove 122 in which the plurality of teeth grooves 121 are formed ( 121) is preferably formed only on a part of the outer periphery of the cam mechanism 130 so that it can be engaged.

Therefore, the present invention is to adjust only the arrangement direction of the cam mechanism 130 even when any one or more of the plurality of toothed grooves 121 is damaged during repeated use of the door handle, without replacing the entire fastening part 120 There is an effect that the handle for the door can be used continuously.

That is, the handle for the door according to the present invention is characterized in that the plurality of toothed grooves 121 are formed to face each other along the inner walls of both sides of the inner groove 122, and a plurality of the plurality of teeth formed in the cam mechanism 130 Characterized in that the two teeth 131 are configured to engage only with a plurality of toothed grooves 121 formed on one of the inner walls of both sides of the inner groove 122, and this configuration is repeated during the repeated use of the door handle. Even if any one or more of the plurality of toothed grooves 121 is damaged, only adjusting the arrangement direction of the cam mechanism 130 generates an effect of allowing the door handle to be continuously used without replacement of the fastening part 120. .

At this time, a torsion spring is used for the cam mechanism 130, so that the cam mechanism 130 can always maintain tension and at the same time, the cam mechanism 130 rotates at a certain angle when the external force applied by the user is removed. ) Can immediately return to its original state.

In addition, the intermediate portion of the fastening portion 120 in which the internal groove 122 is formed is configured to protrude from each of the pair of arm frames 123 by a predetermined distance, so that the arm frame 123 having a'b' shape A frame groove 124 is formed between the distal end, and the frame groove 124 is formed of the pressing part 110 and the fastening part 120 by a relationship with the internal structure of the case 100. It is used for limiting the direction of movement and has its significance.

In addition, as shown in FIGS. 4(a) and 4(b), wedge grooves 125 configured 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 125 is also 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.

Meanwhile, a locking protruding protruding toward the inside may be formed inside the case 100, and the locking protrusion 102 may be the pressing part 110 in a state coupled to the fastening part 120 When a certain distance is moved inside the case 100, the contact with the connection part 116 limits the movable distance of the pressing part 110, and accordingly is applied to the spring 112 fastened to the support part 111 The losing pressure can always be limited within a certain range.

In addition, as shown in Figure 5, the inside of the case 100, that is, on the other side opposite to one side of the inside of the case 100 in which the locking projection 102 is formed, both sides of the fastening portion 120 A pair of first guide portions 103 configured to engage each of the wedge grooves 125 formed at the distal ends may be formed to be spaced apart from each other.

In addition, on the other side of the case 100, a pair of second guide portions 104 configured to catch one side wall of both side walls formed inside the frame groove 124 may be formed, The third guide portion 105 may be formed in a'b' shape so that some of the distal ends of both sides of the fastening portion 120 are inserted into the inner shell thereof.

That is, the first guide portion 103 is configured to engage with the wedge groove 125, the second guide portion 104 is configured to be caught on one side wall of the frame groove 124, and the third As the guide part 105 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 spring groove may be formed on the other side of the case 100, and a pair of spring support portions 106 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 the width, length, thickness, etc. of the components represented in the drawings may be exaggerated or reduced for convenience.

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

100: case
101: open hole 102: locking jaw
103: first guide part
104: second guide part
105: 3rd guide part
110: pressing part
111: support 112: spring
113: protrusion 114: fastening groove
115: spring fixing part
116: connection 117: protrusion
120: fastening part
121: toothed groove 122: internal groove
123: arm frame 124: frame groove
125: wedge groove 126: protruding hole
130: cam mechanism
131: tooth 132: turning shaft

Claims (4)

An open hole 101 communicating the space formed inside and the outside is formed along the longitudinal direction of the inner surface, and an exit hole communicating the space and the outside is formed on one side of the outer surface. 100);
A protrusion 113 protrudes on one side of each to form a fastening groove 114 inward, and a hollow having an open side is formed therein, and a spring 112 is fixed inside the hollow. A pair of support portions 111 provided with a spring fixing portion 115 are connected to each other by a linear connection portion 116 having a hollow inside, and each of the pair of support portions 111 Inside the case 100 by the spring 112 to be fastened A pressing unit 110 that is supported and moves a certain distance by an external force of a user in a state in which a part is exposed to the outside through the open hole 101 and returns when the external force is removed;
A pair of arm frames 123 in which both ends are configured to be symmetrical to each other with both ends configured in a'b' shape based on the inner inlet groove 122 in which both sides are open and a plurality of toothed grooves 121 are formed along the inner wall A fastening part 120 which is formed to extend left and right and is fastened to the inside of the fastening groove 114 by a bolt fastening method; And,
A plurality of teeth 131 engaged with the plurality of teeth grooves 121 are formed to protrude along a part of the outer periphery, and a polygonal turning shaft 132 passing through the exit hole is a right angle direction of the teeth 131 A cam mechanism 130 which is formed to protrude and rotates when the pressing part 110 and the fastening part 120 move; It is composed including,
At both end portions of the fastening portion 120,
It is configured to form a pair of wedge grooves 125 composed of a wedge-shaped shape in which both end portions are symmetrical to each other,
The pair of wedge grooves 125 are configured to engage with each of the pair of first guide portions 103 formed in the case 100,
The fastening part 120 is configured to move only in a limited direction,
Inside the case 100,
It is configured to form a third guide portion 105 formed in a'b' shape so that a part of both ends of the fastening portion 120 is inserted into the inner shell thereof,
The plurality of toothed grooves 121 are characterized in that they are formed in a shape facing each other along inner walls of both sides of the inner groove 122,
The plurality of teeth 131 is formed only on a part of the outer periphery of the cam mechanism 130, and is configured to be engaged only with a plurality of teeth grooves 121 formed on one of the inner walls of both sides of the inner groove 122 Door handle, characterized in that the.
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