KR102574820B1 - Multi door lock for control box - Google Patents

Abstract

The present invention relates to a multi-door locking device for a control box in which the open/closed state of several doors installed in the control box is controlled with a specific locking pattern so that the safety and security of its use can be perfectly achieved.
That is, it relates to a multi-door locking device for a control box capable of controlling the opening and closing of several doors installed in a control box with a specific locking pattern. In particular, the present invention relates to a rotating shaft 1 having a certain length and one side of the rotating shaft 1. A rotary lever 11 installed on a ship, an elastic spring 12 installed in the center of the rotary lever 11, one or more locking clasps 3 installed on the other side of the rotary shaft 1, and the lock It is composed of a locking block (2) having a locking hole (11) corresponding to the latch (3), so that the safety and security of the use of the control box can be made more thorough.

Description

Multi door lock for control box {Multi door lock for control box}

The present invention relates to a multi-door locking device for a control box, and more particularly, to a multi-door locking device for a control box that allows the safety and security of its use to be perfectly achieved by controlling the open/closed states of several doors installed in the control box with a specific locking pattern. It is about.

Control boxes (e.g., control boxes, cabinets) that are widely used in various fields for specific purposes (storage and control of machinery and electrical equipment, and their safety and security, etc.) A door is installed in each opening and has a configuration in which individual opening and closing and locking are performed by an opening and closing device.

Therefore, the conventional control box has a structure in which an operator individually uses (opens and closes) and locks several doors, and there is a problem in that several doors cannot be interlocked in a specific pattern.

To explain this in more detail, as an example of using a specific pattern for several doors of the control box, as shown in the attached drawing Figure 1, one of the several doors is set as a main door and the remaining doors are set as sub doors, such as security and safety, etc. When it is desired to selectively open and close the sub door depending on whether the main door is opened or not, conventionally, there is no means to interlock and control the locked state of the main door and the sub door, so most workers It was at the level of locking and unlocking the main door and sub-door individually.

Therefore, it has been pointed out that it was impossible to control the locking of several doors of the control box according to the conventional needs, and that it was very inconvenient and unstable in its use.

KR Registration Patent No. 10-0913217 KR Publication No. 10-2016-0005480 KR Registered Utility Model No. 20-0420119 KR Registered Utility Model No. 20-0488839

The present invention was invented to supplement the above conventional problems, and in particular, the present invention aims to enable selective opening and closing by locking and unlocking several doors configured in a control box in a necessary pattern according to the purpose of use. was invented by

In the present invention presented to solve the above problems, in the control of a certain size provided with several doors on the same line,
A rotating shaft 1 installed inside the control box;
A rotary lever (11) of a certain length, one end of which is connected to one side of the rotating shaft (1) and the other end is bent in an 'b' shape in one direction to be placed in contact with one of several doors of the control box;
An elastic spring 12 connecting one end to the rotary lever 11 and connecting the other end to the control ceiling to apply elastic force to the rotary lever 11;
A lock block (2) installed on the inner surface of the upper part of the door except for the door contacting the rotary lever (11) among the plurality of doors;
An engaging hole 21 formed to a certain length on the upper surface of the locking block 2;
One end of the connection part (aa) is connected to the rotating shaft (1) and the other end of the locking part (ab) is bent downward in a "b" shape to arrange one or more locking latches (3) on the same line as the lock block. A multi-door locking device for a control box, characterized in that.

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In addition, the present invention is characterized in that the position of the lock block 2 installed on the inner surface of the door can be adjusted as needed.

The present invention is characterized in that the locking and unlocking states of another door can be controlled according to the open/closed state of one door through the above means.

In other words, the multiple doors configured in the control box are controlled so that they can be opened and closed only in a specific pattern, so that the safety and complement of the use is perfectly achieved, and furthermore, it provides convenience by interlocking several doors to lock and unlock them at once. .

1 is an exemplary view of the present invention applied to a control box;
2 is an overall three-dimensional view of the present invention;
3 is a step-by-step implementation state diagram of the present invention;
4 is another overall three-dimensional view of the present invention;
5 to 8 are diagrams of another embodiment of the present invention.

Hereinafter, a specific configuration of the present invention for supporting the solution of the above problems and an embodiment thereof will be described in detail with the accompanying drawings. However, the accompanying drawings may be exaggerated, omitted, or schematically illustrated for convenience of description of essential parts, and the terms and names used in the description are implicitly defined by the shape, action, role, etc. of the configuration rather than the dictionary meaning. The description of the direction is determined based on the direction first presented from the initially presented drawing, and the description of the position is determined based on the middle of each configuration or the center of the circle. In addition, detailed descriptions of pre-registered known technologies and conventional technologies may obscure the gist, so they are omitted or replaced with simple codes or names.

In addition, the specific structure, shape, shape, arrangement, size, etc. of the configuration that can be identified through the drawings, the operation of the configuration that can be inferred through the drawings, and the resulting action and effect may obscure the gist, so detailed descriptions will be omitted. Bolts, welds, holes, etc. applied for coupling between components may obscure the point and may be omitted from the drawings.

As shown in FIG. 2, the multi-door locking device of the present invention installed inside the control box includes a rotating shaft (1) of a certain length, a rotating lever (11) installed at a certain angle on the rotating shaft (1) line, and a locking latch (3). ) and lock block (2).

The rotating shaft 1 is configured to a certain length in the width direction inside the box-shaped control box having an internal space, but both ends are configured on the upper side inside the control box with bearings 1', respectively.

At this time, the control box has several doors arranged in the same direction (control box width direction) as the rotary shaft 1 in one direction.

The rotary lever 11 has one end connected to a line on one side of the rotary shaft 1 and the other end configured to have a certain length at a position where it can contact one of several doors of the control box, but the rotary lever 11 rotates It is composed of a 'b' shape bent downward from one end connected to the shaft 1 to the other end.

In addition, the rotation lever 11 is configured to have a certain elastic force by connecting an elastic spring 12 along the line.

The elastic spring 12 connects one end to the center of the rotary lever and the other end to the top of the control box (ceiling) to add elastic force so that the rotary lever 12 can be returned to its original position after a rotational operation.

The lock block 2 is a locking means of the lock latch 3 to be described later, and is installed on the upper inner surface of the remaining doors except for one door in contact with the above-described rotary lever 11 among several doors of the control box. However, it is configured to have a locking hole 21 of a certain length on the upper surface.

Each of the plurality of locking clasps 3 is configured to have an “a” shape by connecting one end to the rotary shaft 1 on a line and bending the other end downward in one direction.
For reference, the locking clasp 3 consists of one end of the connecting portion aa and a downwardly bent hooking portion ab, the connecting portion aa is connected to the rotating shaft 1, and the other end of the engaging portion ab is arranged in "a" on one side of the rotating shaft (1).
In addition, the locking latch 3 is disposed on the same line as the locking block 2 described above, as shown in FIG. In other words, when the lock clasp (3) is rotated by the rotating shaft (1), the hooking part (ab) of the other end bent is rotated around the rotating shaft (1) and the locking hole (21) at the top of the locking block (2) It is placed in a position where it can be fitted inside. (The operation of the locking clasp will be described in detail in an embodiment to be described later.)

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The present invention made of the above configuration rotates the rotating shaft 1 with the rotating lever 11 so that several locking shackles 3 installed on the line are simultaneously bound to the locking holes 21 of each locking block 2 do.

The embodiment of the present invention will be described in more detail through an example.

First, in a specific field, for reasons such as safety, supplementation, and convenience, there are frequent cases in which it is desired to control the open/closed state of the remaining doors through one of several doors configured in the control box. In this case, the present invention is Similarly, one door among several doors of the control box is designated as <main door> and the remaining doors are designated as <subdoor> so that the locked state of the remaining subdoors is simultaneously controlled according to whether the main door is opened or closed.

That is, when referring to FIG. 1 showing the overall configuration of the present invention, the rotating shaft 1 is installed to a certain length in the width direction of the control box by passing through the main door and the sub door.

In addition, the rotation lever 11 on one side of the rotation shaft 1 is protruded to a position on the same line as the main door by a predetermined length.

In addition, the locking catches 3 of the rotating shaft 1 are positioned on the same line as the subdoor.

In addition, lock blocks 2 are installed on the upper inner surface of the subdoor (on the same line as the locking latch).

For reference, the locking clasp 3 in the initial position is positioned at a predetermined angle in the upward direction when the hooking portion ab bent at the other end is based on the center of the rotating shaft 1, as shown in FIG. In (2), it has a spaced state (unlocked state).

In the initial state described above, when the main door is closed as shown in (a) of FIG. 3, the rotary lever 11 is pressed and rotated by the main door in the control box inward direction to rotate the rotary shaft 1 and at the same time rotate the rotary shaft ( 1) While several locking latches (3) configured on the ship rotate in the same direction/same angle as the rotating shaft (1), the other end is rotated and drawn into the locking hole (21) formed on the upper surface of the locking block (2) of the sub door. to have a jammed (locked) state.

In addition, when the rotation shaft 1 is rotated by the rotation lever 11, the above-described locking latch 3 is shown in FIG. 3 (a) when the main door is closed in FIG. 3 (b) when the main door is opened. When it becomes
It rotates in the same direction as the rotating shaft 1, that is, in the clockwise direction where the locking block 3 is located in the drawing, and at the same time, the hooking part ab of the other end bent in a "L" shape is shown in FIG. 3 ( Like the subdoor shown in a), while being inserted into the locking hole 21 formed on the upper surface of the locking block 2, the locking part ab is set in a locked state to the locking block 3.
This is a setting in which the sub door is locked by the lock latch 3 when the main door is closed.
Conversely, when the main door is opened in FIG. 3 (a) in FIG. 3 (b) with the main door closed, the rotary lever 11 is connected to the elastic spring 12 connected to the inner upper part (ceiling side) of the control box. As a reverse action of the above-mentioned action, the rotating shaft (1) is rotated at a predetermined angle, and at the same time, the locking latch (3) configured on the line of the rotating shaft (1) is rotated in the same direction to the lock block (3) of the sub door. The lock is released by releasing (unlocking) the hooking part (ab) from
This is a setting in which the lock latch 3 unlocks the sub door when the main door is opened.

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As described above, the present invention controls the locking of the subdoors by the main door by configuring the rotation lever 11, the locking latch 3, and the locking block 2 in the main door and the subdoor, respectively, for a specific purpose. When using the control box, its safety, maintenance, and convenience are perfectly achieved.

In addition, according to the present invention, more doors can be controlled than when the lock latch and the lock block are successively and repeatedly configured according to the number of doors on the rotating shaft, and according to the selection criteria of the main door among several doors, the rotating lever and Since the positions of the locking clasp and the locking block can be easily configured, the control box has the feature of being able to control the opening and closing of the doors in a necessary pattern according to the specific purpose of use of the control box.

On the other hand, in the above means, the present invention employs a rotation motor 1a instead of the rotation lever 11 as shown in FIG. 4 and at the same time a contact sensor 1b connected to the rotation motor 1a by wire or wirelessly It is characterized in that the rotation of the rotary shaft 1 is automatically realized through the rotation motor 1a and the contact sensor 1b by configuring the door frame and the door respectively.

In addition, in the rotary shaft 1 as shown in FIG. 7, the present invention adds a polygonal shape to the outer periphery of a predetermined position of the rotary shaft to which the rotary lever 11 and the locking clasp 3 are coupled.

The rotary lever 11 and the locking clasp 3 on the rotary shaft 1 can be easily/conveniently assembled and installed with mood bolts, etc., and subsequent maintenance can be easily performed, and furthermore, when installed by bolts, the installation and fixation are more It is characterized in that it can be made firmly.

In addition, the present invention configures the rotational operation block 4 having a certain thickness while having an inclined surface 41 on the inner surface of any one of the doors of the control box (one door (main door) corresponding to the rotary lever). It is characterized by doing.

The rotation operation block 4 according to the above configuration is configured to stably push and rotate the rotary lever 11 to the outer inclined surface 41 while being drawn into the control box at a certain depth in the door closed state by a certain thickness This has the advantage of significantly shortening the operating length of the rotary lever 11 of FIG. 3 as shown in (a) of FIG. 5, and this point is that the end of the rotary lever 11 protrudes outside the control box to prevent unnecessary exposure and discomfort.

In addition, in the rotation operation block 4, the present invention forms installation holes 42 of a certain length at both ends of the rotation operation block 4 and bolts both ends of the rotation operation block 42 to the inner surface of the door. It is characterized in that the upper and lower positions are configured to be finely adjusted by the installation groove 42.

This is to enable the position of the rotary operation block 4 to be more precisely and accurately positioned inside the door so that the rotary lever 11 can be operated accurately.

In addition, in the present invention, the locking bar 22 is inserted into the locking hole 21 of the locking block 2, and then the locking block 22 is moved forward and backward with the position adjusting screw 23 on one side of the locking block 2. When both ends of the lock block (2) are bolted to the inner surface of the door by forming installation holes (24) of a certain length at both ends of the lock block (2), the upper and lower positions are the installation holes ( 24).

Here, the position adjusting screw 23 is screwed to one side of the locking block 2, and at the same time, its end is fitted into the center of the cradle 22 in the locking block 2, and the screw rotates from the locking block 2. While pushing or pulling the hanger 23 in the forward and backward directions, position adjustment is made.

The lock block (2) of the above configuration is more precisely and precisely positioned from the door by the hanging bar (23) capable of adjusting the position in the forward and downward directions and the installation holes (24) at both ends of the lock block (2). It has features that can be fixed and calibrated.

In addition, as shown in FIG. 8, a roller 50 is formed at the end of the rotary lever 11 so that the roller 50 is in close contact with the inner surface of the main door or the inclined surface 41 of the rotary operation block 4 to rotate. It is characterized in that it is configured to facilitate rotation of the rotary lever 11 by configuring.

The roller 50 may consist of one roller 50 at one end of the connection pin 51 protruding at right angles to the center of the end of the rotary lever 11, but each roller 50 is formed at both ends. It would be desirable to configure a plurality of them to prevent the rotation lever 11 from tilting to one side during operation.

The present invention configures a rotational operation block 4 having a certain thickness while having an inclined surface 41 on the upper inner surface of any one of the doors of the control box (one door (main door) corresponding to the rotary lever). to be characterized

The rotation operation block 4 according to the above configuration is configured to stably push and rotate the rotary lever 11 to the outer inclined surface 41 while being drawn into the control box at a certain depth in the door closed state by a certain thickness This has the advantage of significantly shortening the operating length of the rotary lever 11 of FIG. 3 as shown in (a) of FIG. 5, and this point is that the end of the rotary lever 11 protrudes outside the control box to prevent unnecessary exposure and discomfort.

The above present invention is a drawing of the configuration of the present invention and specific components included in the configuration to help the understanding of the principle of the configuration to be pursued in this invention and the principle, and explained based on the drawing, The structure, form, shape, arrangement, direction, and quantity of the components included in the present invention and their specific components are determined in consideration of the principle to be pursued, and these may be variously changed as needed. The configuration and specific components thereof presented in the present invention exemplify the effect that a person skilled in the art would like to obtain from this invention and which principle is most desirable to apply in order to obtain a better effect from the effect. it did Accordingly, it is most preferable to complete this invention by including all of the above-described configurations, but it may be completed by selecting or excluding some of the above-described configurations according to cost reduction, manufacturing convenience, environmental conditions, or needs. In addition, one or part of the components may be separated and merged with other components to be completed. In addition, each configuration described above may be independently applied to other technical fields other than this technical field in consideration of principles, uses, functions, roles, actions, and effects. Based on this, the scope of the rights of the present invention can be claimed in the order in which the scope of rights is wide by specifying the scope of the claims of the present invention as follows.

This concludes the description of the present invention, Those skilled in the art seem to be able to fully understand the gist to be pursued in this invention through the above specific details, and the operational effects of the parts that are shown but not described can be sufficiently inferred through the drawings. It will be possible. Accordingly, those skilled in the art will be able to apply various modifications and changes in the technical field based on the contents mentioned in this invention.

The present invention has a simple configuration and is easy to handle, so it can more effectively open and close control of several doors configured in the control box, so it has considerable industrial applicability in terms of safety and accident prevention as well as functional and economical aspects.

1: rotating shaft 1': bearing
11: rotary lever 12: elastic spring
1a: rotation motor 1b: contact sensor
2: lock block 21: locking hole
22: hanger 23: position adjustment screw
24: installer 3: lock latch
4: rotation operation block 41: inclined surface
42: installation hole aa: connection
ab: hanging part

Claims (5)

In a control of a certain size provided with several doors on the same line,
A rotating shaft 1 installed inside the control box;
A rotary lever 11 having a certain length connected to one side of the rotating shaft 1 and the other end bent in a one-way 'b' shape so as to contact the main door of the control box,
An elastic spring 12 connecting one end to the rotary lever 11 and connecting the other end to the control ceiling to apply elastic force to the rotary lever 11;
A lock block (2) installed on the upper inner surface of each of the plurality of doors except for the main door in contact with the rotary lever (11);
An engaging hole 21 formed to a certain length on the upper surface of the locking block 2,
One end of the connection part (aa) is connected to the rotating shaft (1) and the other end of the locking part (ab) is bent downward in a "b" shape to arrange one or more locking latches (3) on the same line as the lock block. A multi-door locking device for a control box, characterized in that.
According to claim 1,
A multi-door locking device for a control box, characterized in that the rotating shaft (1) is operated by a rotating motor (1a) operated by a contact sensor (1b).
According to claim 1,
A multi-door locking device for a control box, characterized in that further comprising a rotary operation block (4) having a predetermined thickness while having an inclined surface (41) on the upper inner surface of the door of the control box to which the end of the rotary lever (11) contacts.
According to claim 1,
It is characterized in that the rotary operation block 4 having a certain thickness having an inclined surface 41 on the inner surface of the upper part of the main door is configured to stably push and rotate the rotary lever 11 with the inclined surface 41 Multi-door locks for control cabinets.
According to claim 1,
A multi-door locking device for a control box, characterized in that a roller 50 is formed at the end of the rotary lever 11 to facilitate rotation of the rotary lever 11.

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