KR200447447Y1 - Lock equipment for door - Google Patents

Abstract

The present invention is a sliding door locking device that can be easily installed to open and close the sliding door, in particular the opening is formed on one side, the other side and the housing is formed insertion hole; A cover having an insertion hole formed on the same axis as the insertion hole and installed at a rear end of the housing; An operating shaft rotatably installed by the insertion hole; A handle rotatably installed at an opening of the housing and having an operation bar integrally formed at a side thereof; One side is coupled to the operation bar and the other side is coupled to the operation shaft and the link to rotate the operating shaft in accordance with the rotation of the handle to release the catch ring from the latch; And an elastic soup for returning the handle to its original shape after the handle is rotated.

Sliding Door, Door Frame, Lock, Lock for Sliding Door, Handle, Link, Shaft, Working Bar

Description

Lock for sliding doors {LOCK EQUIPMENT FOR DOOR}

The present invention relates to a locking device for a sliding door, and more particularly, to a sliding door locking device that can be easily opened and closed while being installed on the sliding door while pulling the handle forward and releasing the catch from the latch.

In general, the sliding door partitioning the indoor and outdoor is provided with a locking device to prevent entry from the outside while the door is closed.

In the conventional sliding doors, the locking ring and the locking piece are respectively fixed to the overlapping part of the door so that the locking ring can be hooked to the locking piece in the closed state to act as a locking device.

However, such a locking device, depending on the locking ring and the fixing position of the locking piece and the degree of assembly of the door can be hooked to the locking piece, or can not be hooked.

In other words, if the fixing position of the hook and the hook is incorrect, or the assembly of the door is poor, the hook may not be caught on the hook, and the parts of one of the hook and the hook may be inadvertently in use. Even if broken, there was a closure that does not act as a lock.

In addition, there is a closed end to attach a separate handle to the door for a smooth opening and closing operation apart from the locking device.

In order to solve this problem, recently, the door is provided with a handle provided with a locking device, and the locking device is coupled to the door frame so that the locking device is released from the latch by the thawing of the handle so that the door can be opened and closed. A lock is provided.

However, such a locking device has a complicated structure, which is inconvenient to repair in case of failure.

In addition, the locking device has a hassle to open the door by pushing the door to one side after the handle is completely rotated by the handle is released from the clamp.

The present invention is derived to solve the problems according to the prior art described above has the following purposes.

An object of the present invention is to provide a lock that can be easily opened by pulling the handle of the lock forward and at the same time the hook is released from the latch.

Another object of the present invention is to simplify the structure of the locking device to improve productivity and to reduce costs, and also to provide a locking device that can be easily repaired in case of failure.

In order to achieve the above object, the locking device according to an embodiment of the present invention is a housing having an opening formed on one side, the insertion hole is formed on the other side; A cover having an insertion hole formed on the same axis as the insertion hole and installed at a rear end of the housing; An operating shaft rotatably installed by the insertion hole; A handle rotatably installed at an opening of the housing and having an operation bar integrally formed at a side thereof; One side is coupled to the operation bar and the other side is coupled to the operation shaft and the link to rotate the operating shaft in accordance with the rotation of the handle to release the catch ring from the latch; And an elastic spring for returning the handle to the original shape after the handle is rotated.

As described above, the locking device of the present invention has the effect of opening the door at the same time as pulling the handle forward, by improving the productivity by simplifying the structure and at the same time reduce the production cost, and also the effect that is easy to repair in case of failure Has

In the following, embodiments of the present invention are described with reference to the accompanying drawings.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, the terms to be described later are terms set in consideration of functions in the present invention, and these terms may vary depending on the intention or custom of the producer producing the product, and the definition of the terms should be made based on the contents throughout the present specification.

(Example)

Hereinafter, a sliding door locking device according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in Figure 1 to Figure 4, Figures 1 and 2 is a flat cross-sectional view and an enlarged view of the initial state for explaining the locking device which is an embodiment of the present invention,

3 and 4 is an enlarged cross-sectional view and main portion after the operation for explaining the locking device which is an embodiment of the present invention.

That is, the locking device 1 of the present invention is coupled to the handle 20 which can be rotated into the housing 10, and the operating shaft 60 is provided on the side of the housing 10, the operating shaft 60. ) And the handle 20 is configured to be linked to each other by the link (40).

In addition, a cover 30 is fitted to the rear end of the housing 10 for firm fixing and protection of the operation shaft 60. This locking device is installed by the fastening member to the sliding door (70).

In more detail, as shown in FIG. 1, the housing 10 has an opening 12 formed at one side thereof and an insertion hole 11 formed at the other side thereof.

The cover 30 is coupled to the rear end of the housing 10, and the cover 30 has an insertion hole 31 formed on the same axis of the insertion hole 11.

And the operating shaft 60 is inserted into the insertion hole 11, 31 of the housing 10 and the cover 30 is rotated by the operation of the handle 20 is installed. At this time, the working piece 61 is extended to the rear end of the working shaft 60, the projection 61 is formed at the front end.

In addition, the opening portion 12 of the housing 10 is provided with a handle 20 by a hinge shaft 21, the side of the handle 20 is formed integrally with the operating bar 22, The fitting bar 22a is formed in the operation bar 22.

And the hinge shaft 21 is coupled to the elastic spring 50 is fitted and coupled, one side is supported by the operating bar 22, the other side is supported by the housing 10 to return to the original after the handle 20 is rotated It will play a role.

In addition, one link 40 is coupled to the operation bar 22 and the operation shaft 60.

That is, when the handle 20 is pulled forward, the handle 20 is rotated about the hinge shaft 21, and at this time, the operating bar 22 pushes the link 40 to rotate the operating shaft 60. Is done.

Reference numeral 62 is a hook is installed to interlock with the operation piece 61, 80 is a door frame, 81 is a recess in the door frame, 82 is a latch is caught in the groove is hooked.

The operation and operating state of the sliding door locking device having the above configuration will be described.

1 to 2 show an initial state of the locking device, and FIGS. 3 to 4 show a state after the operation.

That is, in order to open the sliding door 70 by operating the locking device 1 in the initial state, first, the sliding door 70 is pushed to the side with the handle 20 pulled forward to open immediately.

In other words, when the handle 20 is pulled forward, the operation bar 22 and the link 40 are pushed into the housing 10 about the hinge shaft 21 to rotate the operation shaft 60. The locking ring 62 is rotated by the rotation of the operating shaft 60 to be released from the latch 82.

At the same time as pulling the handle as described above, the locking ring 62 is rotated to rotate in the latch 82, so that the sliding door is opened quickly and easily.

When the handle 20 is released in the state in which the sliding door 70 is opened as described above, the handle 20 is returned to its original state by the return force of the elastic spring 50.

At this time, as the handle 20 returns to its original position, the operation bar 22 and the link 40 are returned to their original positions, and the locking ring 62 is also returned to its original position by rotating the operating shaft 60 in reverse.

Embodiments of the present invention have been described above with reference to the accompanying drawings.

However, it is to be noted that the present invention is not particularly limited only to the above-described embodiments, and as necessary, various modifications and changes can be made by those skilled in the art within the spirit and spirit of the appended claims.

1 and 2 is an enlarged cross-sectional view and main portion of the initial state for explaining the locking device which is an embodiment of the present invention,

3 and 4 is an enlarged cross-sectional view and main portion after the operation for explaining the locking device which is an embodiment of the present invention.

** Description of symbols for the main parts of the drawing **

1: lock 10: housing

11, 31: insertion hole 12: opening

20: handle 21: hinge axis

22: operating bar 30: cover

40: link 50: elastic spring

60: working shaft 61: projection

62: hook 70: sliding door

80: door frame

Claims (1)

In the locking device that is installed on the sliding door to open and close the door, An opening 12 is formed at one side and a housing 10 at which the insertion hole 11 is formed; An insertion hole 31 formed on the same axis of the insertion hole 11, and a cover 30 installed at a rear end of the housing 10; An operating shaft 60 rotatably installed to the insertion holes 11 and 31; A handle 20 rotatably installed at the opening 12 of the housing 10 and having an operation bar 22 integrally formed at a side thereof; One side is coupled to the operation bar 22 and the other side is coupled to the operation shaft 60 to rotate the operating shaft 60 in accordance with the rotation of the handle 20, the catch ring 62 is released from the latch 82 A link 40 to enable; An elastic spring 50 for returning the handle 20 to the original after the handle 20 is rotated; Locking device for a sliding door, characterized in that provided

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