JP7080497B2 - Locking device - Google Patents

Description

The present invention relates to a lock device, and particularly when a manual lock device is installed on a door, the lock device attached to the existing lock device so as to improve the existing lock device into, for example, an electric lock device. It is about.

As a locking device for electrically improving the existing locking device when the manual locking device is installed on the door, Patent Document 1 describes a thumb turn core connected to an operating member of the existing locking device. A locking device with a thumb turn base connected to a new thumb turn is described. In the lock device described in Patent Document 1, the door is locked and unlocked by the new lock device by connecting the operation member such as the Dharma shaft, which is the support shaft of the existing thumb turn, with the thumb turn core of the new lock device. Is possible.

Japanese Unexamined Patent Publication No. 2013-209856

However, in the lock device described in Patent Document 1, if the thickness of the door is out of the standard, the operation member of the existing lock device and the thumb turn core of the new lock device may be connected depending on the connecting member prepared in advance. It may not be possible and you may have to order a special order for the connecting member. In such a case, the new locking device cannot be installed until the specially ordered connecting member is manufactured, and the cost increases due to the special order.

Even if the thickness of the door is in accordance with the standard, for example, if the existing lock device is equipped with an eccentric mechanism for improving crime prevention, the connecting member prepared according to the standard is the new lock device. It cannot be used at the installation site, and it is necessary to prepare again by returning to pick up a connecting member of a suitable length, or to make a special order for a connecting member of a suitable length.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a lock device that can be applied to doors of various thicknesses and can easily attach a new lock device to an existing lock device. It is in.

The lock device disclosed in the present application includes an existing lock connecting portion (10), a thumb turn core (20), and a connecting unit (30). The existing lock connecting portion (10) has an input shaft (11) and is connected to an operating member (101) of the existing locking device (100). The thumb turn core (20) has a first shaft hole (21) and is rotated by a rotation operation with respect to the newly installed thumb turn (TH). The first shaft hole (21) can be fitted with the input shaft (11) so that it cannot rotate relative to each other. The connecting unit (30) includes at least one unit connecting tool (40) that can be connected to each other, and connects the existing lock connecting portion (10) and the thumb turn core (20). The unit connector (40) has a fitting shaft (41) and a second shaft hole (42a). The fitting shaft (41) can be inserted into the first shaft hole (21) so as not to rotate relative to each other. The second shaft hole (42a) can be fitted with the input shaft (11) and the fitting shaft (41) so as not to be relatively rotatable.

In the locking device disclosed in the present application, the unit connector (40) has an insertion hole (42b) for a shaft-shaped positioning member (B2). The positioning member (B2) receives the input when the input shaft (11) or the fitting shaft (41) is inserted into the second shaft hole (42a) up to the intermediate insertion length (L2). It abuts on the tip of the shaft (11) or the fitting shaft (41). The intermediate insertion length (L2) is shorter than the maximum insertion length (L1) of the input shaft (11) or the fitting shaft (41) with respect to the second shaft hole (42a).

In the locking device disclosed in the present application, the operating member (101) is a support shaft of the existing thumb turn. Further, the existing lock connecting portion (10) has an engaging protrusion (13) that can be engaged with the operating member (101).

The lock device of the present invention is compatible with doors of various thicknesses, and can facilitate the attachment of a new lock device to an existing lock device.

It is sectional drawing which shows the lock device which concerns on embodiment of this invention. It is a front view which shows the connection unit which concerns on embodiment of this invention. It is sectional drawing which shows the lock device of FIG. 1 which removed the connecting unit which concerns on embodiment of this invention. (A) It is a front view which shows the unit connector which concerns on embodiment of this invention. (B) It is a left side view which shows the unit connector which concerns on embodiment of this invention. (C) It is a right side view which shows the unit connector which concerns on embodiment of this invention. (A) is a cross-sectional view taken along the line AA of FIG. (B) FIG. 2 is a cross-sectional view taken along the line BB of FIG. (A) It is a perspective view which shows the connection unit in the state different from FIG. (B) It is a front view which shows the connection unit of FIG. 5 (a). (A) is a front view showing a connecting unit in a state different from that of FIG. 5 (b). (B) is a front view showing a connecting unit in a state different from that of FIG. 7 (a). (C) It is a front view which shows the connection unit in the same state as FIG. (A) is a front view showing a connecting unit in a state different from that of FIG. 7 (c). (B) is a front view showing a connecting unit in a state different from that of FIG. 8 (a).

Hereinafter, the lock device according to the embodiment of the present invention will be described in detail with reference to the drawings. Since the embodiments described below are preferable specific examples for carrying out the present invention, various technical restrictions are made, but the present invention particularly limits the invention in the following description. Is not limited to this embodiment unless otherwise specified.

<Embodiment>
The lock device according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is a cross-sectional view showing a lock device according to an embodiment. FIG. 2 is a front view showing a connecting unit according to an embodiment. FIG. 3 is a cross-sectional view showing the locking device of FIG. 1 from which the connecting unit according to the embodiment is removed. FIG. 4 is a front view, a left side view, and a right side view showing the unit connector according to the embodiment.

As shown in FIG. 1, the lock device according to the embodiment is a lock device including an electric lock attached to the manual existing lock device 100, and includes an existing lock connecting portion 10, a thumb turn core 20, and a connecting unit 30. And. The connecting unit 30 includes at least one unit connecting tool 40. Further, the lock device according to the embodiment further includes a rotation transmission mechanism 50, a case 60, and a new thumb turn TH.

The existing lock device 100 is, in the embodiment, a manual lock device installed inside the door 110. Further, the locking device according to the embodiment includes a motor (not shown), a locking / unlocking drive mechanism (not shown), a control unit (not shown), a battery (not shown), and a battery box (not shown). Etc. are provided.

As shown in FIGS. 1 and 2, the existing lock connecting portion 10 has an input shaft 11, a plate-shaped base portion 12, an engaging protrusion portion 13, and a shaft-shaped guide member 14, and is an existing lock device. It is connected to the operating member 101 of 100.

The input shaft 11 is erected vertically on one surface of the base 12, and is connected to the thumb turn core 20 by the connecting unit 30. The engaging protrusion 13 is provided on the other surface of the base 12 coaxially with the input shaft 11 and can be engaged with the operating member 101. The guide member 14 is erected vertically on one surface of the base portion 12 and is positioned when connecting the existing lock connecting portion 10 to the connecting unit 30.

In the embodiment, the operation member 101 is a support shaft of an existing thumb turn such as a Dharma shaft. The existing thumb turn means a thumb turn provided in the existing lock device 100. When the operating member 101 is a support shaft of an existing thumb turn such as a Dharma shaft, an engaging shaft (not shown) protruding from the existing thumb turn is removed from the operating member 101 and a Dharma hole into which the engaging shaft is inserted. Etc. are opened. An engaging protrusion 13 formed in the same shape as the engaging shaft of the existing thumb turn is inserted into the engaging hole, and the existing lock connecting portion 10 and the operating member 101 are connected to each other.

As shown in FIG. 1, the thumb turn core 20 has a first shaft hole 21 and is rotated by a rotation operation with respect to the newly installed thumb turn TH. As shown in FIG. 3, the first shaft hole 21 can be fitted with the input shaft 11 so as to be relatively non-rotatable. The cross-sectional shape of the input shaft 11 is the same cross shape as the cross-sectional shape of the fitting shaft 41 shown in FIG. 4 (b). The cross-sectional shape of the first shaft hole 21 is the same cross shape as the cross-sectional shape of the second shaft hole 42a shown in FIG. 4 (c).

As shown in FIG. 1, the connecting unit 30 includes at least one unit connecting tool 40 that can be connected to each other, and connects the existing lock connecting portion 10 and the thumb turn core 20. That is, the connecting unit 30 connects the operating member 101 of the existing locking device 100 and the thumb turn core 20 via the existing lock connecting portion 10.

Further, the connecting unit 30 can include a cylindrical accommodating body 31. The housing 31 internally houses at least one unit connector 40. By accommodating at least one unit connector 40 inside the accommodating body 31, when the plurality of unit connectors 40 are connected to each other, the overall shape of the plurality of unit connectors 40 is stabilized. It can be maintained, and the existing lock connecting portion 10 and the thumb turn core 20 can be stably connected by the connecting unit 30.

As shown in FIG. 4, the unit connector 40 has a fitting shaft 41 and a columnar main body portion 42. Further, the unit connector 40 has a second shaft hole 42a formed in the main body portion 42.

The fitting shaft 41 is projected from one end surface 42d of the main body portion 42, and can be inserted into the first shaft hole 21 of the thumb turn core 20 so as not to rotate relative to each other. As described above, the fitting shaft 41 has the same cross-shaped cross-sectional shape as the input shaft 11. Further, the length of the fitting shaft 41 is equivalent to the length of the input shaft 11.

The second shaft hole 42a can be fitted with the input shaft 11 and the fitting shaft 41 so that they cannot rotate relative to each other. In the embodiment, the second shaft hole 42a is formed in the other end surface 42e of the main body portion 42 coaxially with the fitting shaft 41. As described above, the second shaft hole 42a has the same cross-sectional cross-sectional shape as the first shaft hole 21 of the thumb turn core 20, and is formed in the second shaft hole 42a of one unit connector 40 and the like. Since the fitting shaft 41 of one unit connector 40 can be inserted so as not to rotate relative to each other, a plurality of unit connectors 40 can be connected to each other.

As shown in FIG. 1, the rotation transmission mechanism 50 includes a base connecting member 51, a thumb turn base 52, and a thumb turn shaft 53, and transmits a rotation operation to the newly installed thumb turn TH to the thumb turn core 20.

The base connecting member 51 connects the thumb turn core 20 and the thumb turn base 52 so as not to rotate relative to each other. The thumb turn base 52 engages with the thumb turn shaft 53 and rotates integrally with the thumb turn shaft 53. The thumb turn shaft 53 is connected to the newly installed thumb turn TH so as not to rotate relative to each other.

The case 60 includes a cover member 61, a housing 62, a bearing 63, a retaining plate 64, an inner back cover 65, and a back cover 66, and houses a thumb turn core 20, a rotation transmission mechanism 50, the above-mentioned motor, and the like. do.

The cover member 61 is an exterior member of the lock device according to the embodiment. The housing 62 is arranged inside the cover member 61 and rotatably accommodates the thumb turn base 52, the thumb turn shaft 53, and the thumb turn core 20. The bearing 63 rotatably supports the thumb turn core 20 on the retaining plate 64. The retaining plate 64 holds the thumb turn core 20 and the like inside the housing 62. The inner back cover 65 and the back cover 66 support the case 60 to the door 110.

As described above, as described with reference to FIGS. 1 to 4, in the locking device of the embodiment, the connecting unit 30 includes at least one unit connecting tool 40 that can be connected to each other. Therefore, the length of the connecting unit 30 can be adjusted stepwise by adjusting the number of the unit connecting tools 40 to be connected to each other, and the door 110 having various thicknesses in which the existing locking device 100 is installed can be adjusted. A new lock device such as an electric lock can be attached, and the new lock device can be easily attached to the existing lock device 100. As a result, even when the thickness of the door 110 is out of the standard or an eccentric mechanism is attached, a special order for a connecting member for connecting the operating member 101 of the existing locking device 100 and the thumb turn core 20 is made. There is no need, and the labor, cost, and construction period when installing a new locking device can be reduced.

Further, as described with reference to FIGS. 1 to 4, in the locking device of the embodiment, the existing lock connecting portion 10 has an engaging protrusion 13 that can be engaged with the operating member 101. The operation member 101 is a support shaft of an existing thumb turn such as a Dharma shaft. Therefore, the thumb turn core 20 that rotates together with the new thumb turn TH and the operation member 101 such as the support shaft of the existing thumb turn are arranged coaxially and can be connected by the connecting unit 30, and the rotational force caused by the rotation operation for the new thumb turn can be applied to the existing lock. Can be reliably transmitted to the device. Further, by arranging the thumb turn core 20 of the new thumb turn and the operation member 101 such as the support shaft of the existing thumb turn coaxially, the transmission mechanism for transmitting the rotational force can be made compact, and the lock device can be easily miniaturized.

Next, another embodiment of the present invention will be described with reference to FIGS. 4 and 5 to 8. FIG. 5A is a cross-sectional view taken along the line AA of FIG. FIG. 5B is a cross-sectional view taken along the line BB of FIG. FIG. 6A is a perspective view showing a connecting unit in a state different from that of FIG. 2. FIG. 6B is a front view showing the connecting unit of FIG. 6A. 7 (a) to 7 (c), FIGS. 8 (a), and 7 (b) are front views showing connecting units in different states.

As shown in FIG. 4, the unit connector 40 has a first insertion hole 42b and a second insertion hole 42c on the peripheral wall of the second shaft hole 42a in the main body portion 42. The first insertion hole 42b and the second insertion hole 42c are formed at different positions in the axial direction of the main body portion 42. In the embodiment, the four first insertion holes 42b and the four second insertion holes 42c are formed at equal intervals in the circumferential direction of the main body portion 42 so as to face each other by two. ing.

The shaft-shaped fixing member B1 shown in FIG. 5A can be inserted into the first insertion hole 42b and the second insertion hole 42c. As shown in FIG. 6, in a state where the input shaft 11 is inserted into the second shaft hole 42a up to the maximum insertion length L1 equal to the total length of the input shaft 11, the first insertion hole 42b and the second insertion hole 42b are inserted. The fixing member B1 is inserted into all of the holes 42c, the tip of the fixing member B1 abuts on the input shaft 11, and the unit connector 40 is fixed to the input shaft 11 as shown in FIG. 5 (a). Further, the total length L11 of the fitting shaft 41 shown in FIG. 6B is also equal to the maximum insertion length L1, and the fitting shaft 41 of one unit connector 40 has the other unit up to the maximum insertion length L1. Even when the connector 40 is inserted into the second shaft hole 42a, the fixing member B1 is inserted into all of the first insertion hole 42b and the second insertion hole 42c, and the other unit connector 40 is inserted. Is fixed to the fitting shaft 41 of one unit connector 40.

Further, the axial positioning member B2 shown in FIG. 5B can be inserted into the first insertion hole 42b. In the embodiment, the positioning member B2 is inserted so as to be bridged between a pair of first insertion holes 42b facing each other among the four first insertion holes 42b. As shown in FIGS. 7 (a) and 7 (c), the positioning member B2 has a second shaft hole in which the input shaft 11 or the fitting shaft 41 has an intermediate insertion length L2 shorter than the maximum insertion length L1. When inserted into the 42a, it abuts on the tip of the input shaft 11 or the fitting shaft 41 and positions the unit connector 40 with respect to the input shaft 11 or the fitting shaft 41.

Hereinafter, a procedure for adjusting the length of the connecting unit 30 in the locking device of the embodiment will be described with reference to FIGS. 3, 6, 7, and 8.

As shown in FIG. 3, when the thickness of the door 110 is relatively small and it is not necessary to use the connecting unit 30, the input shaft 11 of the existing lock connecting portion 10 is directly inserted into the first shaft hole 21 of the thumb turn core 20. The thumb turn core 20 and the existing lock connecting portion 10 are connected to each other. Although specific lengths are shown in the following description, these lengths are merely examples and do not limit the invention in any way.

As shown in FIG. 6B, when the distance between the thumb turn core 20 and the existing lock connecting portion 10 is widened by, for example, about 15 mm as compared with the case of FIG. 3, the first unit connecting tool 40 is used. The input shaft 11 is inserted into the second shaft hole 42a of the first unit connector 40 up to the maximum insertion length L1, and a total of eight fixing members B1 are inserted into the first insertion hole 42b and the second insertion hole. The first unit connector 40 is fixed to the input shaft 11 by being inserted into the 42c.

As shown in FIG. 7 (a), when the distance between the thumb turn core 20 and the existing lock connecting portion 10 is widened by about 7 mm more than in the case of FIG. 6 (b), input up to the intermediate insertion length L2. The shaft 11 is inserted into the second shaft hole 42a of the first unit connector 40, and the positioning member B2 is inserted into the pair of first insertion holes 42b so as to penetrate the second shaft hole 42a. The fixing member B1 of the book is inserted into each of the second insertion holes 42c, and the first unit connector 40 is positioned and fixed with respect to the input shaft 11.

As shown in FIG. 7 (b), when the distance between the thumb turn core 20 and the existing lock connecting portion 10 is widened by about 8 mm as compared with the case of FIG. 7 (a), the second unit connector 40 is used. From the state shown in FIG. 6B, the fitting shaft 41 of the first unit connector 40 is different from the second shaft hole 42a of the second unit connector 40 up to the maximum insertion length L1. The second unit connector 40 is fixed to the first unit connector 40 by a total of eight fixing members B1.

As shown in FIG. 7 (c), when the distance between the thumb turn core 20 and the existing lock connecting portion 10 is widened by about 7 mm as compared with the case of FIG. 7 (b), it is shown in FIG. 7 (b). From the state, the insertion length of the fitting shaft 41 into the second shaft hole 42a in the second unit connector 40 is changed to the intermediate insertion length L2, and four fixing members B1 and one positioning member. Using B2, the second unit connector 40 is positioned and fixed with respect to the fitting shaft 41 of the first unit connector 40.

As shown in FIG. 8 (a), when the distance between the thumb turn core 20 and the existing lock connecting portion 10 is widened by about 8 mm as compared with the case of FIG. 7 (c), the third unit connecting tool 40 is used. From the state shown in FIG. 7B, the fitting shaft 41 of the second unit connector 40 is different from the second shaft hole 42a of the third unit connector 40 up to the maximum insertion length L1. The third unit connector 40 is fixed to the second unit connector 40 by a total of eight fixing members B1.

As shown in FIG. 8 (b), when the distance between the thumb turn core 20 and the existing lock connecting portion 10 is widened by about 7 mm as compared with the case of FIG. 8 (a), it is shown in FIG. 8 (a). From the state, the insertion length of the fitting shaft 41 into the second shaft hole 42a in the third unit connector 40 is changed to the intermediate insertion length L2, and four fixing members B1 and one positioning member. Using B2, the third unit connector 40 is positioned and fixed with respect to the fitting shaft 41 of the second unit connector 40.

As described above with reference to FIGS. 5 to 8, according to the locking device of the embodiment, the unit connector 40 has the first insertion hole 42b of the positioning member B2, and the input shaft 11 or the fitting. When the mating shaft 41 is inserted into the second shaft hole 42a up to the intermediate insertion length L2, the positioning member B2 comes into contact with the tip of the input shaft 11 or the fitting shaft 41, and the input shaft 11 or the fitting shaft 41 The unit connector 40 is positioned with respect to the unit. Therefore, the length of the connecting unit 30 can be adjusted with a fineness of about half as compared with the case where only the number of the unit connecting tools 40 to be connected to each other is adjusted, and the doors of various thicknesses can be adjusted. Therefore, it is possible to further facilitate the attachment of the new locking device to the existing locking device 100.

The embodiments of the present invention have been described above with reference to the drawings (FIGS. 1 to 8). However, the present invention is not limited to the above embodiment, and can be implemented in various embodiments without departing from the gist of the present invention (for example, (1) to (2) below).

(1) In the above embodiment, the cross-sectional shape of the input shaft 11, the fitting shaft 41, the first shaft hole 21, and the second shaft hole 42a is cross-shaped, but the cross-sectional shape of each member is the input shaft. It suffices as long as the 11 and the fitting shaft 41 can be inserted into the first shaft hole 21 and the second shaft hole 42a so as not to rotate relative to each other. It suffices if the inner peripheral portion of the second shaft hole 42a is formed with irregularities that fit each other.

(2) In the above embodiment, the first insertion hole 42b of the positioning member B2 is formed at only one position in the axial direction of the unit connector 40, but the connection is not limited to this, and the connection is more finely divided. The first insertion hole 42b can be provided at two or more positions in the axial direction of the unit connector 40 so that the length of the unit 30 can be adjusted.

L1 ... Maximum insertion length L2 ... Intermediate insertion length B2 ... Positioning member 10 ... Existing lock connection part 11 ... Input shaft 13 ... Engagement protrusion 20 ... Thumb turn core 21 ... First shaft hole 30 ... Connection unit 40 ... Unit connector 41 ... Fitting shaft 42a ... Second shaft hole 42b ... First insertion hole (insertion hole)
100 ... Existing lock device 101 ... Operating member 110 ... Door

Claims (3)

An existing lock connecting portion (10) having an input shaft (11) and connected to an operating member (101) of the existing locking device (100).
A thumb turn core (20) having a first shaft hole (21) into which the input shaft (11) can be inserted in a relative non-rotatable manner and rotated by a rotation operation with respect to a newly installed thumb turn (TH).
A connecting unit (30) including at least one unit connecting tool (40) that can be connected to each other and connecting the existing lock connecting portion (10) and the thumb turn core (20). (40) makes the fitting shaft (41), which can be inserted into the first shaft hole (21) so as to be relatively non-rotatable, and the input shaft (11) and the fitting shaft (41) so as to be relatively non-rotatable. A connecting unit (30) having a second shaft hole (42a) that can be inserted.
A lock device characterized by being provided with. The unit connector (40) has an intermediate insertion length (L2) shorter than the maximum insertion length (L1) of the input shaft (11) or the fitting shaft (41) with respect to the second shaft hole (42a). ), When the input shaft (11) or the fitting shaft (41) is inserted, a shaft-shaped positioning member (B2) that comes into contact with the tip of the input shaft (11) or the fitting shaft (41). The lock device according to claim 1, wherein the lock device has an insertion hole (42b). The operating member (101) is a support shaft of the existing thumb turn.
The lock device according to claim 1 or 2, wherein the existing lock connecting portion (10) has an engaging protrusion (13) that can be engaged with the operating member (101).

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