KR200469274Y1 - A Electric Door Lock Device having a Good Clutch Connecting Structure - Google Patents

Abstract

The present invention is connected to the first handle and the first shaft for operating the latch during the rotation operation; A second shaft connected to a second handle, installed on the same axis line as the first shaft, and having first unevenness at an end thereof; A shaft connecting member disposed between the first shaft and the second shaft, the shaft connecting member being movable on the first shaft, and having a second unevenness engaged with the first unevenness at an end portion facing the second shaft. ; And a driving device for operating the shaft connecting member in response to an external signal. The electronic door locking device including a clutch bundle comprising: a motor having a motor shaft; A driving member movably installed on the motor shaft and having a coil spring installed therein; A pin installed on the motor shaft to move the driving member through the coil spring when the motor is operated; And an operation member rotatably installed on the clutch bundle and connected to the driving member and the shaft connecting member to connect or separate the shaft connecting member from the second shaft according to the movement of the driving member. It features.

Description

A Electric Door Lock Device having a Good Clutch Connecting Structure}

The present invention relates to an electronic door lock device, and more particularly, to an electronic door lock device for easy clutch connection, which allows two shafts connected to different door handles to be smoothly connected and separated by a clutch structure. .

Recently, the electronic door lock has been used in a common house such as an apartment because it is easy to carry and can easily lock and unlock the door even without a heavy key.

The electronic door lock is largely divided into two structures. One is a structure for operating the latch directly or indirectly through a driving means such as a motor operating in accordance with the authentication signal, the other is to allow the latch to be operated in conjunction with the inner door handle, the shaft of the inner door handle and the outer door handle It is a structure that allows the axis of to be selectively connected or disconnected according to the authentication signal.

The former has a separate configuration for the operation of the latch and the operation of the door handle, so that the assembly for the operation of the latch (ie, the door lock) can be manufactured separately, even for the door that already has the door lock installed. There is an advantage that can be installed additionally.

However, since the driving force of the motor is transmitted to the clasp through the plurality of gears, the door lock of this structure inevitably causes an accident in which the clasp does not work properly or malfunctions as the wear period increases.

In addition, the door lock of this structure requires the use of a large-capacity motor to operate a relatively rigid and heavy clasp, so expensive motors are required and current consumption is high.

On the contrary, since the operation of the latch is performed by the rotation operation of the inner door handle, the latch is hardly malfunctioned. Also, only the shaft connecting member for connecting the two shafts does not operate the heavy latch. By moving, a relatively small motor can be used, and the current consumption required for driving the motor is small.

On the other hand, the door lock device of such a structure can be unlocked by turning the door outer handle only when the unevenness formed on the shaft connection member and the unevenness formed on the shaft of the (outer door) handle.

Therefore, when the shaft of the door outer handle or the shaft of the door inner handle is unexpectedly rotated and the position of the concave-convex shape formed on the shaft does not match the position of the concave-convex shape formed on the shaft connecting member, the user inputs a correct authentication signal. Connection between the axes by the slaughter connection member is not made, there is a disadvantage that can not release the lock state of the door lock.

The present invention is to solve the above problems, it is an object of the present invention to provide an electronic door lock device that is easy to connect the clutch which can be easily connected to the shaft connecting member even if the shaft of the door outer handle is rotated in any state.

According to an embodiment of the present invention for achieving the above object, a first shaft connected to the first handle and operating the latch during the rotation operation; A second shaft connected to a second handle, installed on the same axis line as the first shaft, and having first unevenness at an end thereof; A shaft connecting member disposed between the first shaft and the second shaft, the shaft connecting member being movable on the first shaft, and having a second unevenness engaged with the first unevenness at an end portion facing the second shaft. ; And a driving device for operating the shaft connecting member in response to an external signal, the driving device comprising: a motor having a motor shaft; A driving member movably installed on the motor shaft and having a coil spring installed therein; A pin installed on the motor shaft to move the driving member through the coil spring when the motor is operated; And an operation member rotatably installed on the clutch bundle and connected to the driving member and the shaft connecting member to connect or separate the shaft connecting member from the second shaft according to the movement of the driving member. An electronic door lock is provided that facilitates clutch connection.

Preferably, the operation member comprises: a shaft portion axially coupled to the clutch bundle; A pair of first legs extending longitudinally from the shaft portion and connected to the driving member; And a pair of second legs extending in a symmetrical direction from the pair of first legs in the shaft portion and connected to the shaft connecting member.

More preferably, a first groove in which the pair of first legs can be fitted is formed on the outer surface of the drive member, and the pair of second legs are positioned on the outer surface of the shaft connecting member. Two grooves should be formed.

More preferably, one end of the first shaft is formed in the shape of a square pillar, and the shaft connecting member may have a hole of a rectangular cross section into which the square pillar of the first shaft is fitted.

The present invention can smoothly connect the connection between the door handle axles even in a door having door handles installed freely rotatable on the door to simplify the cost and structure.

In addition, the present invention has a relatively simple shaft connection structure, it is very advantageous to miniaturize the door lock.

1 is an exploded perspective view of a clutch bundle installed in a door lock according to a preferred embodiment of the present invention,
Figure 2 is a perspective view of the clutch bundle shown in Figure 1,
3 is a partial cross-sectional view of the clutch bundle shown in FIG. 2,
4 and 5 are views showing the operating relationship between the coil spring and the driving member according to the driving of the motor in the clutch bundle according to the present invention,
6 and 7 are views showing the operating relationship of the clutch bundle according to the present invention,
8 is a partial cutaway cross-sectional view showing a state in which the clutch is not fully engaged.

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

In the following description of the present invention, terms referring to the components of the present invention are named in consideration of the function of each component, it should not be understood as a meaning limiting the technical components of the present invention.

1 is an exploded perspective view of the clutch bundle installed in the door lock device according to a preferred embodiment of the present invention, Figure 2 is a combined perspective view of the clutch bundle shown in Figure 1, Figure 3 is a clutch bundle shown in Figure 2 4 is a partial cross-sectional view, and FIG. 5 is a view showing an operation relationship between a coil spring and a driving member according to the driving of a motor in a clutch bundle according to the present invention, and FIGS. 6 and 7 are operations of the clutch bundle according to the present invention. Figure 8 shows the relationship, and Figure 8 is a partial cutaway cross-sectional view showing a state in which the clutch is not completely bitten.

Since the electronic door locking device according to the present invention is distinguished from the conventional design in the structure of the clutch bundle, a preferred embodiment of the present invention will be described with reference to the clutch bundle 10. Therefore, other configurations of the present invention may be the same as the general configurations of the conventional electronic door lock, these configurations can be changed in a range that can be recognized or acquired by those of ordinary skill in the art. .

Clutch bundle 10 according to a preferred embodiment of the present invention, as shown in Figure 1, the upper and lower bodies 12, 14, the first shaft 20, the second shaft 30, the shaft connecting member ( 40, the motor 50, the coil spring 60, the driving member 70, the operation member 80, and may further include a guide member 90.

The upper and lower bodies 12 and 14 each have a space for accommodating most of the other components in the portions facing each other (ie, the lower portion of the upper body 12 and the upper portion of the lower body 14), Forms the appearance of the clutch bundle (10). Here, since the clutch bundle 10 formed by the combination of the upper body 12 and the lower body 14 has a small size, it can be easily installed in a conventional or other electronic door lock.

The first shaft 20 is installed to protrude outward through the hole 122 of the upper body 12. The first shaft 20 is connected to the inner handle (not shown) or the shaft of the inner handle of the door, and rotates together when the inner handle is rotated. And the first shaft 20 is mechanically connected to the components for operating the latch (not shown), to drive the latch directly or indirectly when rotating. One of both ends of the first shaft 20, which is coupled to the shaft connecting member 40, is formed in the form of a square pillar 22.

The second shaft 30 has the same axis center as the first shaft 20 in the clutch bundle 10, and is disposed at regular intervals so as not to be directly connected or contacted with the first shaft 20. The second shaft 30 is connected to the outer handle (not shown) of the door or the shaft of the outer handle, and rotates together when the outer handle is rotated. One end portion of the second shaft 30 has a square pillar shape for firm coupling with the outer handle, and the opposite end portion has a first unevenness 32 for coupling with the shaft connecting member 40. In the present embodiment, the first concave-convex 32 is formed of a cross-shaped groove and projections formed by the groove as shown in FIG. For reference, both the first shaft 20 and the second shaft 30 are rotatably installed in the clutch bundle 10.

The shaft connecting member 40 is disposed between the first shaft 20 and the second shaft 30, and reciprocates between the first shaft 20 and the second shaft 30. More precisely, the axial connection member 40 of this embodiment is installed in the square pillar 22 of the 1st axis | shaft 20 so that a movement to an axial direction is possible, and the rotational motion of the 2nd axis | shaft 30 is a 1st axis | shaft. Selectively connects the first shaft 20 and the second shaft 30 so as to be transmitted to the (20). One side end portion of the shaft connecting member 40 (a portion facing the first shaft 20) is formed with a square hole 46 of a predetermined depth, and the opposite side end portion (the second shaft 30 facing the The part 2 is formed with the 2nd unevenness 42 of the form which can be engaged with the 1st unevenness | strength 32 (cross shape projection in this embodiment). A second groove 44 having a predetermined width is formed around the shaft connecting member 40. For reference, ends are formed at both ends of the shaft connecting member 40 by the second grooves 44, respectively. The length of the shaft connecting member 40 is longer than the distance between the first shaft 20 and the second shaft 30 is apart. That is, the shaft connecting member 40 should have a length that can be engaged with the first concave-convex 32 of the second shaft 30 in a state in which it is coupled with the first shaft 20.

The motor 50 is installed in the lower body 14 and generates a driving force for the movement of the shaft connecting member 40. The motor 50 has a shaft 52 extending in one direction (in the first embodiment, the first shaft direction), and rotates the shaft 52 during operation. The shaft 52 is formed with a hole penetrated in the direction perpendicular to the longitudinal direction, in which the pin 54 is fitted. The pin 54 serves as the movement of the coil spring 60 to be fitted to the shaft 52 of the motor (this will be described in detail later).

As described above, the coil spring 60 is installed on the shaft 52 of the motor, and serves to move the driving member 70, which is installed together with the driving of the motor 50, in the direction of the shaft 52. This function is made possible by the phenomenon that the pin 54 compresses the coil spring 60 to one side or the opposite side by the rotation or reverse rotation of the motor 50. Therefore, preferably both ends of the coil spring 60 is open, unlike the conventional spring is tightly wound or pinched, so that the pin 54 can be moved into the coil spring 60.

The drive member 70 is installed on the shaft 52 of the motor together with the coil spring 60. A space for accommodating the coil spring 60 is formed inside the driving member 70, and a first leg 84 of the operating member 80 may be fitted to the outside (ie, a circumferential surface). Groove 72 is formed. Both ends of the drive member 70 have holes smaller than the radius of the coil spring 60 (and have a size to which the shaft of the motor can be fitted) so that the coil spring 60 installed therein does not escape outward. For reference, installation of the coil spring 60 into the drive member 70 may be performed by continuously rotating the coil spring 60 while inserting one end of the coil spring 60 into the hole of the drive member 70. (I.e. the coil spring 60 moves helically and moves inside the drive member 70).

The operation member 80 is rotatably installed on the upper body 12 or the lower body 14 to serve as an excuse to convert the displacement of the drive member 70 into the displacement of the shaft connecting member 40. The operation member 80 has a shaft portion 82 that serves as a rotation axis, and further includes two pairs of legs 84 and 86 provided symmetrically with each other about the shaft portion 82. Each pair of legs 84, 86 extends side by side and is fitted to the drive member 70 and the axial connection member 40, respectively. That is, the pair of first legs 84 are fitted into the first grooves 72 of the driving member 70, and the pair of second legs 86 are second grooves 44 of the shaft connecting member 40. ) (See Fig. 3). Therefore, when the driving member 70 moves in one direction along the axis 52 of the motor, the displacement of the driving member 70 is transmitted to the shaft connecting member 40 by the operation member 80, thereby driving the drive member 70. ), The shaft connecting member 40 is moved in the opposite direction (ie, the operating member 80 serves as a kind of lever).

The guide member 90 is installed inside the clutch bundle 10 to support the axial portion 82 of the guide member and the operating member 80 to allow the shaft connecting member 40 to stably move within a set range. Serve as a boss. In addition, the guide member 90 may further include a guide rod 92 penetrating the shaft connecting member 40 and the second shaft 30. Meanwhile, the guide member 90 and the guide rod 92 may be omitted or modified according to the internal structure of the clutch bundle 10.

Next, referring to FIGS. 4 and 5, the movement of the driving member 70 according to the driving of the motor 50 will be described.

As described above, the pin 54 is provided on the shaft 52 of the motor. The pin 54 moves along the spiral body of the coil spring 60 when the motor 50 is driven (actually, the coil spring 60 moves), and compresses the coil spring 60. For example, when the motor 50 is driven clockwise (in the direction of the solid arrow in FIG. 4), the pin 54 moves along the spiral body of the coil spring 60 and moves the coil spring 60 to the left side (FIG. 5). In the reference direction) (see FIG. 5A). Conversely, if the motor 50 is driven counterclockwise, the pin 54 will move along the spiral body of the coil spring 60 and compress the coil spring 60 to the right (see FIG. 5 (b)). ).

Compression of the coil spring 60 by the pin 54 causes movement of the drive member 70 through the restoring force of the coil spring 60. That is, when the coil spring 60 is compressed on the left side of the pin 54, the coil spring 60 is restored to its original shape and the driving member 70 is pushed to the left (Fig. 5 (a) state). On the contrary, when the coil spring 60 is compressed on the right side of the pin 54, the coil spring 60 is restored to its original shape and the driving member 70 is pushed to the right (the state (b) of FIG. 5).

Next, the movement of the shaft connecting member 40 according to the movement of the driving member 70 will be described based on FIGS. 6 and 7.

In the electronic door lock having a clutch structure, the first shaft 20 and the second shaft 30 are kept separated when there is no approved authentication signal or correct key operation. This is to allow the insider to unlock the latch by rotating the door handle on the inside of the door, but to prevent the outside of the door from unlocking the door even if a third party rotates the door handle.

Therefore, the clutch bundle 10 of the present invention is also normally maintained in a state in which the shaft connecting member 40 and the second shaft 30 are separated. This state is achieved by moving the drive member 70 toward the motor 50 as shown in FIG. That is, when the drive member 70 is moved to the right by the rotation of the motor 50 and the restoring force of the coil spring 60 as described above, the shaft connecting member 40 is rotated by the drive member 70 It is moved to the left by rotation in the counterclockwise direction (which is the reference direction in FIG. 6) of the operation member 80, so that the shaft connecting member 40 and the second shaft 30 remain separated.

On the contrary, when the motor 50 is rotated in the opposite direction by the authorized authentication signal or key operation, the driving member 70 is moved to the left side by the restoring force of the coil spring 60, and the shaft connecting member 40 ) Is moved to the right by the operation member 80 that rotates clockwise. Then, the second unevenness 42 of the shaft connecting member 40 and the first unevenness 32 of the second shaft 30 mesh with each other, and the first shaft 20 and the second shaft 30 are connected to each other. Connected via the member 40, the inner handle of the door can be rotated even if the outer handle of the door is turned.

On the other hand, some door handles are provided with an elastic member, so that the user returns to the original state even if the user turns the handles. However, this handle structure requires separate configurations with the elastic member.

Therefore, the recent door handles are installed to enable free rotation (that is, the user does not return to the original state even when the user turns) so that the door can be made with a minimum configuration.

Such a structure, when the user turns the inner handle or the outer handle of the door, as shown in Figure 8, the first uneven (42) and the second uneven (42) of the shaft connecting member 40 ( 32) exist in a displaced state that cannot be engaged with each other. When this happens, the shaft connecting member 40 and the second shaft 30 are not completely engaged even by the approved authentication signal or key operation, so that the door cannot be opened outside the door.

However, the present invention can solve this problem. When the clutch bundle 10 according to the present invention is in a state in which the shaft connecting member 40 and the second shaft 30 are not completely engaged as shown in FIG. 8, the driving member 70 and the coil spring 60 are It is kept in the state shown by the solid line in FIG. That is, the drive member 70 does not move completely to the left side, and the coil spring 60 is kept in a compressed state.

This state does not immediately solve the complete engagement of the second unevenness 42 of the shaft connecting member 40 and the first unevenness 32 of the second shaft 30. However, since the driving member 70 has the inertia to continue to move to the left by the coil spring 60 in the compressed state, the user rotates the outer handle of the door and the second unevenness 42 of the shaft connecting member 40 When the first unevenness 32 of the two shafts 30 can be engaged with each other, the driving member 70 is further moved to the left side by the restoring force of the coil spring 60. As a result, the further movement of the drive member 70 assists the further movement of the shaft connecting member 40 through the operation member 80, thereby causing the second unevenness 42 and the second shaft 30 of the shaft connecting member 40 to move. ), The first unevenness 32 is firmly engaged.

Therefore, according to the present invention, even when the shaft connecting member 40 and the second shaft 30 cannot be engaged by the user's handle operation, the shaft connecting member ( 40 and the second shaft 30 can be easily and quickly engaged.

The present invention is not limited only to the embodiments described above, and those skilled in the art to which the present invention pertains as long as they do not depart from the spirit of the technical idea of the present invention described in the claims below. Various changes can be made.

10 clutch bundle
12 Upper body (of clutch bundle) 14 Lower body (of clutch bundle)
20 1st axis 22 Square pillar
30 2nd axis 32 1st unevenness
40 Shaft connecting member 42 2nd unevenness
44 2nd groove 46 Square hole
50 motor 52 axis
54 pin
60 coil spring
70 Drive member 72 First groove
80 operating member 82 shaft part
84 1st leg 86 2nd leg

Claims (4)

A first shaft connected to the first handle and operating the latch during the rotation operation;
A second shaft connected to a second handle, installed on the same axis line as the first shaft, and having first unevenness at an end thereof;
A shaft connecting member disposed between the first shaft and the second shaft, the shaft connecting member being movable on the first shaft, and having a second unevenness engaged with the first unevenness at an end portion facing the second shaft. ; And
Including a clutch bundle comprising; a drive device for operating the shaft connecting member in accordance with an external signal,
The drive unit is:
A motor having a motor shaft;
A driving member movably installed on the motor shaft and having a coil spring installed therein;
A pin installed on the motor shaft to move the driving member through the coil spring when the motor is operated; And
And an operation member rotatably installed on the clutch bundle and connected to the driving member and the shaft connecting member to connect or separate the shaft connecting member from the second shaft according to the movement of the driving member. Electronic door lock for easy clutch connection. The method according to claim 1,
The operation member is:
A shaft portion axially coupled to the clutch bundle;
A pair of first legs extending longitudinally from the shaft portion and connected to the driving member; And
And a pair of second legs extending symmetrically with the pair of first legs in the shaft portion and connected to the shaft connecting members. 2. The method according to claim 2,
The outer surface of the drive member is formed with a first groove to which the pair of first legs can be fitted,
The front door of the shaft connecting member is easy to connect the electronic door lock, characterized in that the second groove is formed with the second leg is located. The method according to claim 3,
One end of the first shaft is formed in the shape of a square pillar,
The shaft connecting member is an electronic door locking device that is easy to connect the clutch, characterized in that it has a hole of the square cross section in which the square pillar shape of the first shaft is fitted.

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