KR20080047080A - The key capable of confirming the lock or unlock - Google Patents

Abstract

A key capable of confirming lock or unlock is provided to be semi-permanent in use by preventing deterioration of functions thereof and certainly display a locking display state. A key capable of confirming lock or unlock includes a key lever(20), a key handle(30), a key lever fixing body, first and second rotary gears, and a lock indicator(40). The key lever is inserted in a lock. The key handle is formed on one end of the key lever and is gripped by a user. The key lever fixing body is coupled to the key handle and rotates with the key handle when the key handle rotates over a predetermined angle. The first rotary gear is rotatably coupled to the key lever fixing body. The second rotary gear is vertically coupled to the first rotary gear and rotates during no-load rotation of the key handle. The lock indicator is connected to the second rotary gear, rotates with the second gear, and shows locking and unlocking of the lock.

Description

The key capable of confirming the lock or unlock}

1 is a perspective view of a key according to the present invention,

2 and 3 are some cut perspective and cut cross-sectional view taken along line A-A of FIG.

4 is an exploded perspective view of a key according to the present invention;

5 is a cross-sectional view taken along the line B-B of FIG.

Figures 6a to 6c is a rotational operation state of the key lever fixed body and the key lever when the key is locked and the internal cross-sectional view when the key handle is rotated.

※ Brief description of symbols for the main parts of the drawings

10: key 20: key lever

21: Key Lebanese Government 22: Key Lebanese Identity

23,33: fitting portion 24: fixed shaft

27: fixing hole 28: fixing pin

30: key handle 32: stopper

40: lock display means 42: rotating flights

44: first rotation gear 45: second rotation gear

The present invention relates to a key that can determine whether the lock, and more specifically, the locking portion of the key is provided with a lock display means for checking whether the lock according to the rotation direction of the key lever anywhere in the key It is about a key to check whether the lock is locked.

In general, keys and locks have been used for a long time, and in recent years, the use of keyless locks has been widely used due to the development of locks by automatic electronic devices.

However, even in the situation where various types of lock devices have been developed and used, the lock device composed of a key and a lock made of a conventional manual male and female structure is still used.

Therefore, in the case of using a conventional manual lock and key and lock, the user always carries the key and unlocks the door or other necessary padlock, or locks it again after use, but many people live in the aging of population and busy modern life. People often carry keys and forget whether they lock or unlock them, which causes a lot of inconvenience.

In particular, such a phenomenon appears to vary greatly depending on the user, and because it causes a lot of problems, large and small, it is urgently needed to develop a method for preventing or confirming afterwards.

Therefore, various designs or inventions have been devised to confirm whether a key lock may appear when using a conventional manual key.

The main method to check whether the key has been locked in the related art is to turn the key lever on the body of the key, so that the lock / open of the lock is displayed inside the key handle through the rotation force of the key lever when the lock is locked. It was configured to check whether the user locked the lock by looking at the key.

Such conventional embodiments include "keys for checking the locking state" of Utility Model Publication No. 2001-324, and "manual locking confirmation method for keys" of Patent Publication No. 2003-68023.

However, the key to check whether the lock has been conventionally released has a problem in that its composition and structure are complicated, resulting in poor assembly and productivity, poor practicality and durability, and difficulty in performing a function properly due to deterioration of components in long-term use. .

The present invention has been made to overcome the disadvantages of the conventional key that can determine whether the lock, the present invention can simplify the configuration and structure of the key parts to improve the assembly and productivity as well as the practicality of the key Its purpose is to provide a key to check the lock to increase the durability and durability.

In order to achieve the above object, the key to determine whether the lock according to the present invention is a key lever of a certain length that is fitted to the lock, and made of a certain size so that the user can hold on one end of the key lever. It comprises a key handle provided with a lock display means for indicating whether the lock, one end of the key lever coupled to the key handle is coupled to the key handle is a no-load that is not transmitted when the rotation of the key handle at a certain angle The key lever fixed body is configured to be caught inside the key handle only when it is rotated by a predetermined angle and rotated in the same direction as the key handle, and the first rotation coupled to the end of the key lever fixed body inside the key handle. The gear and the first rotary gear are orthogonally coupled to each other so as to rotate together when the key grip is rotated. The second rotary gear is installed inside the metal handle and the second rotary gear is rotated together when the rotation of the second rotary gear is connected to the second rotary gear so as to indicate the locking or opening of the lock is installed so as to expose a part of the outside of the key handle It comprises a lock display means.

In particular, the locking display means is provided with an identification portion marked in two parts on the upper surface of the lock and the opening is formed in the outer periphery of the predetermined serrated anti-rotation projections, the lower end of the rotating piece is coupled to the second rotary gear It is configured, the outer circumferential side of the key handle of the rotating piece has a stopper for preventing the free rotation of the rotating piece is caught in the rotation preventing projection of the rotating piece.

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

1 is an external perspective view of a key according to the present invention, in which one side of a key lever 20 having a predetermined length is fitted into a lock (not shown) is formed in a predetermined shape, the other side of the operation of the key lever 20 It is made of a structure provided with a key handle 30 of a predetermined size so that the user can hold by hand.

Characteristic configuration and structure of the present invention is a key handle according to the rotation direction in which the key lever (20) locks or unlocks the lock when the key lever (30) and the key lever (20) is locked to the lock operation. The lock display means (40) provided in 30 to indicate whether the lock is locked or opened is to allow the user to check whether the lock is locked by looking at the key carried by the user.

As described above, the lock display means 40 is provided on the key handle 30 so that the lock display means 40 can indicate whether the lock is locked. A predetermined rotation means 47 is connected to and connected to 40 so as to interlock with each other. In order to examine the configuration of the rotation means 47, a key handle in a combined state of a key according to the present invention is illustrated in FIGS. 2 and 3. A cutaway perspective view and cross-sectional view of 30 is shown.

 2 and 3, one end of the key lever 20 coupled to the key handle 30, the key lever 20 is fixed to the key handle 30 while being fixed to the inside of the key handle 30 The key lever fixing body 22 is installed to be coupled to the inner end of the key lever fixing body 22, and the first rotary gear 44 of a predetermined size is coupled together when the key lever fixing body 22 rotates. Is configured to rotate, the first rotary gear 44 is orthogonal to the second rotary gear 45 is coupled to each other made of a rotatable structure, a portion of the upper center of the second rotary gear 45, the key handle The rotating piece 42, which is the locking display means 40 configured to be exposed to the outside of the 30, has a structure that is coupled and partially exposed to the upper surface of the key handle 30 in accordance with the rotation amount of the second rotary gear 45. The identification section 42 of the rotating piece 42 is rotated to indicate the lock and the opening of the lock. It is made of a structure that can be.

In addition, a fixed shaft for rotatably fixing the first rotary gear 44 while keeping the key lever 20 in a horizontal state on the other side of the first rotary gear 44 coupled to the key lever fixing body 22. (24) is made of a structure installed through the inside of the key handle (30).

On the other hand, Figure 4 is an exploded view of each part to make it easier to see each configuration of the key according to the present invention.

As shown in the figure, the key handle 30 is composed of a configuration divided into both sides made of a structure that is integrally coupled by a predetermined fixing bolt 13 and the nut 14, both key handles 30 Inside a predetermined space for fitting the rotating piece 42 of the locking display means 40, the first and second rotary gears 44, 45 and the key lever fixing body 22, respectively, 26) is formed.

The locking display means 40 is composed of a rotating piece 42 which is coupled to the second rotary gear 45 and rotated together when the second rotary gear 45 is rotated according to the rotation of the key handle 30, The upper surface of the rotating piece 42 is formed by dividing the identification portion 41 indicating the opening and closing of the lock in two, the outer peripheral edge formed with the identification portion 41 is sawtooth-shaped anti-rotation projection 43 Consists of a continuously formed structure.

In addition, a rotating piece fitting portion for exposing a part of the identification portion 41 of the rotating piece 42 is exposed on the upper surface of the key handle 30 so that the rotating piece 42 is rotated by fitting. 34 is recessed and a stopper coupled to the anti-rotation protrusion 46 on the inner side of the pivoting piece fitting portion 34 to restrain the pivoting piece 42 moving freely. (stopper: 32) is provided, the stopper 32 has a structure that can only prevent the free rotation of the rotating piece is made of a predetermined size that the upper portion of the stop between the teeth of the anti-rotation projections 46, which When the degree of external force acting has a structure that can be rotated, Figure 5 shows the coupling relationship between the rotation preventing projection 46 and the stopper 32 of the rotating piece 42 in a plan view.

The first rotary gear 44 and the second rotary gear 45 constituting the rotating means 47 are made of a straight bevel gear, the rotation ratio of which is configured to have a gear ratio of 1: 4, so that the first key grip 30 Is rotated 45 degrees (in this case, the rotational force of the key handle is not transmitted to the key lever), the second rotary gear 45 meshed with the first rotary gear 44, the tooth surface of the first rotary gear 44 Along the 45 degree rotational movement, but the second rotary gear 45 itself is rotated 180 degrees by the gear ratio with the first rotary gear, the rotating piece 42 integrally coupled to the second rotary gear 45 is also 180 degrees The identification part 41 which rotates and bisects to show the opening or closing is comprised so that it may be displayed by rotating.

In addition, the first lever gear 44 is coupled to one end and the key lever fixed body 22 is coupled to the other end of the key lever 20, the key lever fixed portion of a predetermined depth on one side of the key lever 20 is coupled. (21) is formed, and the key lever fixing body (22) in the fitting portion (33) formed on both inner circumferences of the key handle (30) formed on both sides of the outer peripheral edge of the front end of the key lever fixing portion (21), respectively. The fitting portion 23 is rotatably fitted is provided, the rear end of the key lever fixing body 22 is made of a rectangular pillar shape when the interior of the key handle 30 when the key handle 30 is rotated When one side is caught by (26) and the key handle 30 is rotated within an initial predetermined angle (45 degrees), the rotational force of the key handle 30 is not transmitted, but the rotation exceeding a certain angle (45 degrees or more) The key of the square pillar in the locking step 26a formed in the inner wall of the space 26 in case of Bar fixing body 22 is made of a structure that can be transmitted to the rotational force, the key lever fixing body 22 has a fixing hole 27 for fixing the key lever 20 is formed and the fixing hole (27) The fixing pins 28 are coupled to each other, and the shape of the key lever fixing portion 21 may also be variously modified according to the shape of the key lever 20.

On the other hand, the operation of the key according to an embodiment of the present invention having the above-described configuration will be described in detail with reference to Figures 6a to 6c.

6A shows a state in which the key handle 30 and the key lever 20 are in a straight line, that is, the alignment of the keys after the lock is locked, as shown in (a), and (b) is the key handle ( 30 is a cross-sectional view taken along the line CC of FIG. 2A to show the configuration of the key lever fixing body 22 and the space portion 26 surrounding the key lever fixing body 22. As shown in the figure, the inner wall of the space portion 26 is formed to be spaced apart by a predetermined distance to the outside of the key lever fixing body 22 formed in a rectangular pillar shape, the keys on the opposite inner walls of the space portion 26 opposed to each other The locking jaw 26a is formed to be caught at both edges of the key lever fixing body 22 after being moved at a predetermined angle when the handle 30 is rotated in one direction.

In such a state, as shown in FIG. 6B, when the key lever 20 is rotated by inserting the key lever 20 into the lock hole (not shown), the key lever 20 inserted into the lock is provided in the lock. A predetermined resistance force acts by the bundle of keys, and the key lever fixing body is slidably coupled to the key handle, so that only the key handle 30 and the first rotary gear 44 and the second rotary gear are provided therein. Due to the coupling structure of (45), regardless of the key lever 20, a certain angle (about 45 degrees) rotation is made according to the rotational motion of the user.

When the rotation of the key handle 30 is made to rotate in a no load state in which the rotary lever is not transmitted to the key lever fixing body 22 within a predetermined angle (45 degrees), the second provided inside the key handle 30. The rotary gear 45 is connected to the second rotary gear 45 while being rotated along the tooth surface of the first lever gear 44 coupled to the key lever 20 and the key lever fixing body 22 in a fixed state. Rotating the lock display means 40 to indicate that the identification portion 41 of the rotating piece 42 exposed to the upper end of the key handle 30 to display the opening (Fig. 6b (a)), the identification portion 41 Even though the key lever 20 is displayed, the key lever 20 is not rotated as shown in (b) of FIG. 6b, and the key knob 30 is continuously rotated as shown in (a) of FIG. 6c. The locking jaw 26a that rotates outward from the key lever fixing body 22 in the inner space portion 26 of FIG. It is engaged with the edge portion of the key lever fixture (22).

As the locking jaw 26a is caught at the corner of the key lever fixing body 22, the key lever 20 is eventually rotated together with the key handle 30 to open the lock, and the locking operation of the lock is as described above. The opposite is done.

As such, the key according to the present invention indicates that the lock display means 40 is rotated once by the partial rotation of the key handle 30 to indicate the lock or the opening, and finally the key lever with the continued rotation of the key handle 30. 20 is rotated to enable the operation of opening or locking the lock.

Therefore, the key according to the present invention is equipped with a lock display means for knowing the open or closed state of the lock on the key carried by the user can see only the key at the time of going out or after going out to lock the lock It is possible to solve the vague anxiety that can occur because there is no memory, and the rotating piece rotated in one direction has a stopper on its outer periphery. It can be prevented from changing so that the key can be displayed and checked correctly.

In addition, if the key according to the present invention is used to check whether the lock is filled again, it is not necessary to return to the place where the lock is filled or to perform a separate unnecessary action for checking whether the lock is locked. Make it more convenient for users.

In addition, in the case of a key according to the present invention, the rotation means configured to check whether the lock is displayed is made of a simple gear coupling structure, so that even if it is used for a long time, it is almost never worn and the function is impaired. In addition, the components are simpler than the conventional key has the advantage of reducing the manufacturing cost and assembly cost.

As described above, the key to confirm whether the lock according to the present invention is a lock display means consisting of a simple gear-type component configuration can improve the assembly and productivity, as well as prevent the function of the component in use is semi-permanent It should be possible to use it, and it should be possible to clearly indicate whether or not the lock is displayed, so that it is easy to check and handle.

Claims (4)

A key lever 20 having a predetermined length coupled to the lock, and a key handle 30 having a predetermined size so that a user can grip the end of the key lever 20 and the key handle 30. It is provided at one end of the key lever 20 to maintain a no-load state in which the rotational force is not transmitted when the key handle is rotated within a predetermined angle, and is caught in the inside of the key handle 30 only when the key handle is rotated by a predetermined angle. A key lever fixing body 22 configured to rotate in a direction, a first rotary gear 44 rotatably coupled to an end of the key lever fixing body 22 in the key handle 30, A second rotary gear 45 and the second rotary gear (45) installed inside the key handle so that the key handle is rotated together at the time of the no-load rotation does not transmit the rotation force to the key lever is coupled orthogonal to the first rotary gear 44, At the time of 45) Rotated to be connected to the second rotary gear 45 so as to indicate the lock or the opening of the lock, which can be confirmed whether the lock comprises a lock display means 40 partially exposed to the outside of the key handle. key. The method of claim 1, The lock display means 40 is provided with an identification portion 41 divided into two parts, the lock and the open display on the upper surface, and a predetermined sawtooth rotation preventing projection 43 is formed on the outer peripheral edge portion of the lower center portion The key to confirm whether the lock is characterized in that consisting of a rotating piece 42 is coupled to the second rotary gear 45 and rotates with the second rotary gear. The method of claim 2, On the upper end of the key handle 30, the rotating piece is rotatably fitted, and the rotating piece fitting portion 34 is formed to be recessed in a predetermined depth to seal a part of the identification portion of the rotating piece, and the rotating piece fitting portion ( The inside of the 34) is locked to the rotation preventing projections 43 of the rotating piece 42, a stopper 32 for controlling the free rotation of the rotating piece is provided with a key to determine whether or not the lock. The method according to any one of claims 1 to 3, On one side of the first rotary gear 44 facing the key lever fixing body 22, a fixed shaft 24 for fixing the first rotary gear 44 while maintaining the horizontal state of the key lever 20 is a key handle. Is installed through the inside of the 30, the first rotary gear 44 and the second rotary gear 45 is a key that can determine whether the lock is characterized in that the rotation ratio is configured to have a gear ratio of 1: 4.

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