JP5432010B2 - Escations for door locks - Google Patents

Description

  The present invention relates to an escation of a door lock, for example, an escation of a door lock attached to each guest room door of a hotel.

  In the doors of each guest room in recent hotels, the key holder that indicates the guest room number becomes large in the lock for the cylinder key type door, and because of the trouble of convenience such as loss and management of the master key, Those using IC cards are becoming widespread (for example, see Patent Document 1).

  8 and 9 show an example of such a card-type door lock, FIG. 8 is a perspective view of the main part of the door as seen from the corridor side (outside), and FIG. 9 is from the passenger side (inside). It is the perspective view of the door principal part which looked.

  Incidentally, “escation” as a term of ordinary skill in the art has a meaning as a decorative plate that covers a mechanism of a lock generally attached to a door.

  In FIG. 8, a front plate 3 is fixed to a door mouth 2 of a door 1 that divides and communicates between a guest room and a corridor, and always protrudes from the surface of the front plate 3 to the edge of the door opening. A latch bolt 4 for maintaining a door closed state by engaging with an engagement hole (not shown) provided, and a door opening edge when it is normally buried and projected from the surface of the front plate 3 A dead bolt 5 that is a lock bolt for maintaining a door lock state by engaging with a lock hole (not shown) provided in the door is provided.

  Further, on the outdoor side of the door 1, an outdoor decorative board main body 7 in which a card insertion slot 7 a for inserting a magnetic card 6 as a card key is formed, and the upper and lower opening ends of the outdoor decorative board main body 7 are closed. Caps 8 and 9 and a lever handle 10 or a knob for opening / closing the door 1 and for moving the latch bolt 4 in and out are provided.

  In FIG. 9, on the indoor side of the door 1, an indoor decoration board main body 11, caps 12 and 13 for closing the upper and lower opening ends of the indoor decoration board main body 11, an opening / closing operation of the door 1 and a latch bolt 4. The lever handle 14 for performing the operation of moving in and out and the thumb turn 15 for operating the door lock / unlock by the dead bolt 5 are provided.

  Although not shown, the interior decoration board body 11 includes a reading device for the magnetic card 6, a lock mechanism unit that performs door locking / unlocking of the dead bolt 5 in conjunction with reading of the magnetic card 6, and a power source ( Battery), a control circuit unit, and the like. Further, the door 1 is sandwiched between the interior decoration board body 11 and the female thread portion (not shown) provided on the back side of the exterior decoration board body 7 through the door 1. A fixing screw 16 for fixing the indoor decorative board main body 11 and the outdoor decorative board main body 7 to the door 1 is provided.

  In many cases, the outdoor decorative board main body 7 and the indoor decorative board main body 11 generally cover a metal decorative base member with a resin decorative cover member. This contributes to weight reduction of the outdoor decorative board main body 7 and the indoor decorative board main body 11, and by changing the color of the decorative cover member, apparent colors (for example, according to the color and design of the door 1 (for example, This is because it is easy to secure gold (silver, copper) and design properties.

Japanese Patent No. 4111759

  However, in the above-described conventional escation of the door lock, electrical connection cannot be established between the head of the fixing screw 16 and the surface of the interior decorative board body 11 covered with the resin decorative cover. The problem is that the static noise generated in the portion may cause the escation electrostatic noise value to not satisfy the specified value, and may adversely affect various electrical components inside the interior decorative panel body 11. Has occurred.

  The present invention has been made to solve the above-described problems, and by forming a ground circuit using a fixing screw, a lock for a door that can efficiently disperse electrostatic noise to escations. An object is to provide an escation.

  The escation of the door lock according to the present invention includes an indoor decorative plate body fixed to the inner wall surface of the door, an outdoor decorative plate body fixed to the outer wall surface of the door, the indoor decorative plate body, and the One fixing screw inserted from the outside of the indoor decorative plate body so as to connect the outdoor decorative plate main body with the door interposed therebetween, and the fixing screw disposed inside the indoor decorative plate main body And a reinforcing block member that suppresses bending of the indoor decorative board body by a tightening load of a screw, and the door-side lock escation includes a metal plate that contacts the inner wall surface of the door. The decorative base member and a non-conductive decorative cover member that covers the surface of the decorative base member, and the reinforcing block member is made of a metal that is in contact with the fixing screw and the decorative base member. Ah Wherein the member is provided.

  The ground member of the escation before the door lock according to the present invention is disposed in the through hole of the reinforcing block member through which the fixing screw passes so as to come into contact with the screw portion of the fixing screw. It is preferable to include a tongue piece portion and a main body contact tongue piece portion that is formed integrally with the elastic contact tongue piece portion and contacts the inner surface of the decorative base member.

  According to the escation of the door lock of the present invention, electrostatic noise can be efficiently dispersed in the escation by forming a ground circuit using a fixing screw.

It is a front view of the escation before the door lock which concerns on one Embodiment of this invention. It is sectional drawing of the principal part of the escation before the door lock which concerns on one Embodiment of this invention. It is a rear view of the escation before the door lock which concerns on one Embodiment of this invention. The reinforcement block member applied to the escation of the door lock which concerns on one Embodiment of this invention is shown, (A) is an enlarged front view of a reinforcement block member, (B) is an expansion of the reinforcement block member of a ground member attachment state. It is a front view. It is an expanded longitudinal cross-sectional view of the principal part of the escation before the door lock which concerns on one Embodiment of this invention. It is an expanded plane sectional view of the principal part of the escation of the lock for doors concerning one embodiment of the present invention. The earth member applied to the escation of the door lock which concerns on one Embodiment of this invention is shown, (A) is a front view of the earth member on the basis of the mounting state to a reinforcement block member, (B) is a reinforcement block The longitudinal cross-sectional view of the ground member based on the mounting state on the member, (C) is a plan cross-sectional view of the ground member based on the mounting state on the reinforcing block member. It is the perspective view of the door principal part which shows the escation of the conventional lock | rock for doors, and contains an outdoor escation. It is the perspective view of the door principal part which shows the escation of the conventional lock for doors, and contains an indoor escation.

  Next, an escation of a door lock according to an embodiment of the present invention will be described with reference to the drawings. Here, FIG. 1 is a front view of an escation of a door lock according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of an essential part of the escation of a door lock according to an embodiment of the present invention, FIG. FIG. 4 is a rear view of an escation of a door lock according to an embodiment of the present invention, and FIG. 4 shows a reinforcing block member applied to the escation of a door lock according to an embodiment of the present invention. ) Is an enlarged front view of the reinforcing block member, FIG. 4 (B) is an enlarged front view of the reinforcing block member with the ground member mounted, and FIG. 5 is an essential part of the escation of the door lock according to the embodiment of the present invention. FIG. 6 is an enlarged longitudinal sectional view of an essential part of an escation of a door lock according to an embodiment of the present invention, and FIG. 7 is applied to the escation of a door lock according to an embodiment of the present invention. FIG. 7A shows a reinforcing block member. FIG. 7B is a longitudinal sectional view of the ground member based on the mounting state on the reinforcing block member, and FIG. 7C shows the mounting state on the reinforcing block member. It is a plane sectional view of the grounding member used as a standard.

  In addition, although the Example shown below is a suitable specific example in the escation of the lock for doors of this invention, and there may be various technically preferable restrictions, the technical scope of this invention is especially As long as there is no description which limits this invention, it is not limited to these aspects. Further, in the present embodiment, the explanation will be made specifically for the escation arranged on the indoor side, and the specific configurations of the outdoor escation and the door lock / unlock will be appropriately applied those of a known technique. It shall be possible.

  As shown in FIGS. 1 and 2, the escation 20 according to the present embodiment closes the indoor decorative board main body 21 having upper and lower open ends and the upper and lower open ends of the indoor decorative board main body 21. Door locks and caps 22, 23, a lever handle 24 (only the rotating shaft portion is shown) for opening / closing the door 1 and a latch bolt (not shown), and a dead bolt (not shown). And a thumb turn 25 for operating the unlock from the indoor side. In addition, inside the interior decorative board body 21, although not shown, a card key (for example, IC card or magnetic card) reader, a door lock / unlock of a dead bolt linked to the card key reading is provided. A lock mechanism unit, a control circuit unit, and the like are provided. Furthermore, the interior decoration board body 21 has a female screw portion (not shown) provided on the back side of the exterior decoration board body (not shown) through the door 1 (shown only in FIG. 2). Fixing screws 16 are provided for fixing the indoor decorative plate body 21 and the outdoor decorative plate body to the door 1 so as to sandwich the door 1 by screwing.

  The indoor decorative board main body 21 is made of a metal decorative base member 26 that is U-shaped in the horizontal sectional direction so as to form a closed cross section with the door 1 and a non-conductive (for example, resin) covering the decorative base member 26. The decorative cover member 27 is made of resin, and the decorative cover member 27 is made of resin or the like, thereby reducing the weight of the interior decorative board body 21 and improving the design (eg, gold, silver, copper style). I am trying.

  The cap 22 that closes the upper end opening of the interior decoration board main body 21 includes a lance-like engagement leg portion 28 that engages with the engaged portion 26a formed on the decoration base member 26, and four power supplies, for example. A battery case 29 for storing the AA batteries (not shown) is provided.

  The battery case 29 supports a resin battery base 30 that opens to the front, a cover 31 that closes the front open end of the battery base 30, and four AA batteries (not shown) in an electrically connected state. A holder 32 made of a conductive metal plate, and a wiring cord 33 having one end connected to the holder 32. The lower end of the battery base 30 is fixed to the fixing bolt 16, and the upper end of the battery base 30 is fixed to the cap 22 via a screw 34 that is screwed into a female screw portion 22 a (see FIG. 3) formed on the cap 22. Is done. Further, the upper end of the cover 31 is fixed to the battery base 30 via a tapping screw 35. Further, a shaft portion 31a that engages with a guide groove 30a formed on a lower end outer wall surface of the battery base 30 is formed at the lower end of the cover 31, and the cover 31 is formed by the shaft portion 31a by the solid line in FIG. The front open end closed state shown in (cross section) and the front open end open state (AA battery replacement state) shown by the chain line in FIG. 2 are rotatable.

  On the other hand, as shown in FIG. 3, the wiring cord 33 described above is routed to the interior of the interior decoration board main body 21 in a twisted state, and power is supplied to the control circuit or the like at the tip (the other end). The connector 36 is provided.

  Although not necessarily installed in the present embodiment, the cap 23 that closes the lower end opening of the indoor decorative board main body 21 is, for example, an existing escation described in the background art. A battery holder 38 that houses four AA batteries (not shown) may be provided as a power source. In this case, the connector 36 can be supplied with power by exchanging the connection end with a connector (not shown) of the existing battery holder 38. In addition, the battery holder 38 can be used in combination, for example, by supplying power using the battery case 29 when condensation is likely to occur and using the battery holder 38 when condensation is unlikely to occur. is there.

  Further, the fixing screw 16 passes through a reinforcing block member 39 provided inside the indoor decorative board main body 21. This reinforcing block member 39 prevents deformation in the crushing direction of the interior decorative board body 21 due to the tightening load of the fixing screw 16, and as shown in FIGS. 4 (A) and 4 (B), A block base portion 39b having a through hole 39a through which the screw 16 passes, a pair of elastic legs 39c and 39c positioned at both ends of the block base portion 39b, and a support portion 39d for supporting the metal grounding member 40. It is prepared as one.

  The elastic legs 39c and 39c elastically contact the inner walls on both side surfaces of the decorative base member 26 to position the reinforcing block member 39 in the left-right direction and prevent rotation, and to share parts when the width of the decorative base member 26 is different. Contributing to

  As shown in FIGS. 5 to 7, the ground member 40 includes an elastic contact tongue piece 40 a positioned in the through hole 39 a of the reinforcing block member 39 so as to contact the screw portion of the fixing screw 16, and an elastic contact tongue piece. A main body portion 40b having a U-shape in front view that is integrally formed with the portion 40a and supported by the support portion 39d of the reinforcing block member 39, and a vertical wall formed between the main body portion 40b and the support portion 39d. A locking claw 40c that prevents the ground member 40 from coming off by engaging with each other, and a main body contact tongue piece portion 40d that is located on the front seat portion 39e of the support portion 39d and contacts the inner surface of the decorative base member 26 are integrally formed. Configured.

  In the escation 20 of the door lock according to the present embodiment having the above-described configuration, when the fixing screw 16 is inserted from the outside of the interior decorative board main body 21, the screw portion is an elastic contact tongue portion. 40a is contacted. The elastic contact tongue 40a is integrally formed with a main body contact tongue 40d that contacts the inner surface of the metallic decorative base member 26, so that static electricity applied to the fixing screw 16 is fixed. It is efficiently distributed from the working screw 16 to the decorative base member 26 through the ground member 40. Thereby, the value of the electrostatic noise of the escation 20 according to the present embodiment can satisfy the specified value, and it is ensured that the electrostatic noise adversely affects various electric components inside the interior decoration board body 11. The durability of the escation 20 can be enhanced.

DESCRIPTION OF SYMBOLS 1 ... Door 16 ... Fixing screw 20 ... Escation 21 ... Interior decoration board main body 26 ... Decoration base member 27 ... Decoration cover member 39 ... Reinforcement block member 39a ... Through-hole 39b ... Block base part 39c ... Elastic leg part 39d ... Support portion 39e ... Front seat portion 40 ... Ground member 40a ... Elastic contact tongue piece 40b ... Main body portion 40c ... Locking claw 40d ... Main body contact tongue piece portion

Claims (2)

The indoor decorative plate main body fixed to the inner wall surface of the door, the outdoor decorative plate main body fixed to the outer wall surface of the door, the indoor decorative plate main body, and the outdoor decorative plate main body sandwiching the door A fixing screw inserted from the outside of the indoor decorative board main body so as to be coupled with the inner decorative board main body, and a deformation of the indoor decorative board main body due to the fastening load of the fixing screw disposed inside the indoor decorative board main body In the escation of the lock for the door provided with a reinforcing block member for suppressing
The indoor decorative board body is composed of a metallic decorative base member that contacts the inner wall surface of the door, and a non-conductive decorative cover member that covers the surface of the decorative base member,
The reinforcing block member is provided with a metal ground member that is in contact with the fixing screw and the decorative base member,
An escation for door locks.   The ground member includes an elastic contact tongue piece portion disposed in a through hole of the reinforcing block member through which the fixing screw passes so as to come into contact with a screw portion of the fixing screw, and the elastic contact tongue piece portion. The escation of the lock for a door according to claim 1, further comprising a main body contact tongue portion that is integrally formed and contacts an inner surface of the decorative base member.

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