JP2008150864A - Exterior structure of rim lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an exterior structure of a rim lock wherein the renewal of design and outward appearance can be carried out easily at a low cost. <P>SOLUTION: The exterior structure of the rim lock includes: a housing which is fixed to a door surface 37, internally provides a lock mechanism and has a fixing screw hole on the side surface perpendicular to the door surface 37; an outdoor side open/close operation member 23A wherein a shaft part 35 penetrates from the indoor side through the door 11 and the housing; a cylindrical boss formed in the housing wherein the shaft part 35 penetrates therethrough; an outer case 117 which covers the housing and has a through hole corresponding to the fixing screw hole and a boss insertion hole to allow the boss to be externally fitted thereinto; and an indoor side open/close operation member 23B, which is engaged with the insertion hole opened on a base part end surface 137 and is fixed to the shaft part 35 with a lock screw orthogonal to the shaft part 35, is provided to the shaft part 35 protruding from the boss. The outer case 117 is mounted to the housing, while the outer case is controlled so as not to be removed with the fixing screw 143 which is inserted in the through hole to be screwed with the fixing screw hole, and with the base part end surface 137 of the indoor side open/close operation member 23B which abuts on the peripheral edge of the boss insertion hole. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an exterior structure of a lock with a face attached to a door surface, and more particularly to an improved technique for facilitating a change in exterior design.

In recent years, glass doors have been frequently used due to the improvement in strength of glass materials. When the full glass door is installed, for example, at the entrance of an office building or the entrance of a store, it is necessary to provide a locking device. Conventionally, when a locking device is provided on this type of full-surface glass door, it is common to provide the locking device on a hanging metal fitting, an upper collar, a lower collar, or a metal frame attached to the center. However, if a metal frame portion is provided in order to provide a locking device, the design of the folded glass door may be lowered, and it is preferable that these metal frame portions are not provided. In order to solve such a problem, the door lock of Patent Document 1 in which only the locking device is attached to the entire glass door using an attachment hole directly drilled in the door glass material has been proposed. According to this door lock, it is possible to attach only the door lock to the open / close end of the full surface glass door without attaching a metal frame portion for providing a locking device to the full surface glass door, without impairing the design of the full surface glass door, I was able to improve the appearance.
JP 2002-523660 Gazette

  Since the above conventional door locks (surface locks) can be mounted using the mounting holes directly drilled in the door glass material, the design of the entire glass door is reduced compared to the case of attaching a metal frame part. You do n’t have to. However, since the adherend is made entirely of glass, there is a request to change the appearance and design in consideration of the design and design, or in combination with the design around the door. There are many. However, the conventional surface lock has an integrated structure that is shared with the housing of the device that houses the lock mechanism. Therefore, when changing the design or renewing only the exterior (renewal), The entire locking device including the locking mechanism has to be replaced, and there is a problem that the cost of the member becomes expensive and the replacement work requires a lot of labor. In spite of the fact that the lock mechanism can be used, it is extremely uneconomical to replace the entire lock device only for the design change, and it is against the effective use of resources.

  The present invention has been made in view of the above situation, and provides an exterior structure of a face-locking that can be renewed in design and appearance easily and inexpensively, thereby improving economy and effectively utilizing resources. With the goal.

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The exterior structure of the face-locking according to claim 1 of the present invention includes a housing 101 which is fixed to the door surface 37 and has a locking mechanism and has a fixing screw hole 103 on a side surface perpendicular to the door surface 37;
An outdoor opening / closing operation member 23A in which the shaft portion 35a penetrates the door 11 and the housing 101 from the outdoor side;
A cylindrical boss 109 provided in the housing 101 and through which the shaft portion 35a is inserted;
An outer case 117 that covers the casing 101 and has a through hole 119 corresponding to the fixing screw hole 103 and a boss insertion hole 127 that is externally inserted into the boss 109;
An indoor side opening / closing operation member fitted into the shaft portion 35a protruding from the boss 109 with an insertion hole opened at the base end face 137 and fixed to the shaft portion 35a with a retaining screw orthogonal to the shaft portion 35a. 23B,
With
The exterior case 117 is inserted into the through hole 119 and screwed into the fixing screw hole 103, and the base end surface of the indoor side opening / closing operation member 23B that contacts the peripheral edge of the boss insertion hole 127 137 and are attached to the housing 101 after being restricted.

  In this surface-locked exterior structure, when the fixing screw 143 is removed, the retaining screw is removed, and the indoor side opening / closing operation member 23B is removed from the shaft portion 35a, the restriction of attaching / detaching the exterior case 117 to / from the housing 101 is released. Thus, the outer case 117 can be easily detached from the housing 101. As a result, the mounted outer case 117 can be easily replaced with a new outer case of a different color or design. At that time, the lock mechanism may be reused as it is and only the outer case 117 may be replaced.

The exterior structure of the surface-coated lock according to claim 2 has a recess 129 formed in the exterior case 117,
The boss insertion hole 127 is formed in the bottom surface of the recess 129.

  In the exterior structure of the face-coated lock, the boss insertion hole 127 is opened at the bottom surface position of the recess 129 recessed from the exterior case surface 133, and the boss insertion hole 127 and the shaft portion 35a protruding from the boss insertion hole 127 are difficult to see. .

  According to a third aspect of the present invention, there is provided a surface-locking exterior structure in which a cylindrical collar 135 made of a resin material is interposed in an annular space between the shaft portion 35 a and the boss 109.

  In this surface-locked exterior structure, the shaft portion 35a abuts against the inner wall surface of the boss 109 via the collar 135, the eccentricity of the shaft portion 35a is suppressed, and the shake and backlash in the radial direction of the shaft portion 35a are restricted. The

The exterior structure of the surface-coated lock according to claim 4 has a male screw 111 formed on the outer periphery of the boss 109,
A nut 139 is provided between the periphery of the boss insertion hole 127 and the base end surface 137 of the indoor side opening / closing operation member 23B. .

  In this surface-locked exterior structure, the nut 139 screwed into the male screw 111 of the boss 109 is brought into contact with the peripheral edge of the boss insertion hole 127, and the boss insertion hole 127 is removed from the boss 109, that is, from the boss 109. The removal of the outer case 117 is also restricted by the nut 139.

  The exterior structure of the face-locking according to claim 5 is accommodated in the recess 129 so as to be flush with the exterior case surface 133 between the nut 139 and the base end surface 137 of the indoor side opening / closing operation member 23B. A feature is that a decorative ring 141 is interposed.

  In this surface-locked exterior structure, a nut 139 that prevents the exterior case 117 from coming off is covered with a decorative ring 141 that is flush with the exterior case surface 133, and the entire surface of the exterior case 117 is a continuous finish surface of the decorative member. It will be covered with.

  According to the exterior structure of the surface-locked structure according to claim 1 of the present invention, the fixing screw that is inserted into the through hole and screwed into the fixing screw hole, and the indoor opening / closing operation that contacts the peripheral edge of the boss insertion hole Since the exterior case is regulated to drop off and attached to the housing at the base end surface of the member, the fixing screw is removed, the indoor side opening / closing operation member is removed from the shaft portion, for example, the indoor side opening / closing operation member with respect to the shaft portion Is fixed with a retaining screw, the outer case can be easily detached from the casing by removing the retaining screw. Thereby, it can be easily replaced with a new exterior case of a different color or design. Further, since the lock mechanism has only to be reused as it is and only the outer case needs to be replaced, the replacement can be performed at low cost and in an easy operation in a short time. As a result, the design can be changed and the appearance can be renewed easily and inexpensively, the economic efficiency when replacing the face lock can be improved, and the resources can be used effectively. In addition, since the exterior case is exchanged by removing the indoor side opening / closing member at this time, the color, material, texture, shape, design, etc. of the indoor side opening / closing member can be changed simultaneously with the exterior case. It becomes possible.

  According to the exterior structure of the surface-coated lock according to claim 2, since the recess is formed in the exterior case, and the boss insertion hole is formed in the bottom surface of the recess, the boss insertion hole is in a position recessed from the exterior case surface. Opened, the boss insertion hole and the shaft portion protruding from the boss insertion hole are difficult to see, and the appearance and appearance of the face-coated lock can be improved.

  According to the exterior structure of the surface-coated lock according to claim 3, since the cylindrical collar made of the resin material is interposed in the annular space between the shaft portion and the boss, the shaft portion is inside the boss through the collar. The collar end face can be brought into contact with the wall surface, and the collar end face can be slidably brought into contact with the base end face of the indoor side opening / closing operation member, thereby restricting radial deflection and backlash of the shaft portion and rotating the indoor side opening / closing operation member. It is possible to improve the operational feeling of the outdoor side opening / closing operation member and the indoor side opening / closing operation member by reducing troubles in force.

  According to the exterior structure of the surface-coated lock according to claim 4, the male screw is formed on the outer periphery of the boss, and the male screw is screwed between the boss insertion hole and the indoor side opening / closing operation member to form the boss insertion hole. Since the nut that abuts the rim is interposed, the nut is fastened to abut against the rim of the boss insertion hole, so that the boss insertion hole from the boss can be prevented from falling out, that is, the outer case can be prevented from falling off the boss. can do.

  According to the exterior structure of the surface-coated lock according to claim 5, since the decorative ring that is in the same plane as the exterior case surface and is accommodated in the recess is interposed between the nut and the indoor side opening / closing operation member, The recess of the outer case can be covered, and the nut for preventing the outer case from coming off is covered with a decorative ring on the same surface as the outer case surface, so that the appearance of the outer case can be improved.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a surface-locking exterior structure according to the invention will be described in detail with reference to the drawings.
FIG. 1 is an external perspective view of a surface-coated lock having an exterior structure according to the present invention, FIG. 2 is a front view of the entire glass door to which the surface-mounted lock shown in FIG. It is the disassembled perspective view which looked at the lock with face shown in FIG. 1 from the outdoor side.

  The exterior structure of the face-locking according to the present embodiment can be suitably used for an open / close body such as a double-sided full-face glass door. In addition, the exterior structure is also suitable for use in a single-open full-surface glass door, a double-open / single-open steel door, and the like. In the present embodiment, an example will be described in which the face lock 100 shown in FIG. 1 having the exterior structure is provided on the double-sided full-face glass door 11 (11a, 11b).

  As shown in FIG. 2, glass panels 13 and 13 are provided on the left and right sides of the building opening, and the glass panels 13 and 13 are attached and fixed to an opening sash or the like. The pair of full-surface glass doors 11a and 11b described above are supported by hinges 15 and 15 so as to be openable and closable at the entrance opening between the glass panels 13 and 13, and the full-surface glass doors 11a and 11b are unidirectional (this embodiment). It is possible to restrict the opening to the indoor side in the form.

  As for the full-surface glass doors 11a and 11b, for example, one full-surface glass door 11a is restricted from opening and closing, and only the other full-surface glass door 11b can be opened and closed. In this case, the opening / closing restriction of one full-face glass door 11a can be performed by an opening / closing restriction means provided on the hinge 15 or the like. In this state, if the other full glass door 11b is locked to one full glass door 11a, both of the pair of full glass doors 11a and 11b are in a locked state in which opening and closing is restricted. The surface-coated lock 100 according to the present embodiment functions to lock the other full glass door 11b to the one full glass door 11a.

  A locked body 17 is attached to one of the entire glass doors 11a, and the locked body 17 can lock a leading end of a later-described latch that protrudes from the surface lock 100. That is, in the state in which one full-face glass door 11a is fixed, the other full-face glass door 11b is locked to the locked body 17 so that the latch is engaged with the indoor body side (the back surface side in FIG. 2). Opening is regulated.

  The face lock 100 is provided with a lock case 21, lever handles 23A and 23B as opening / closing operation members, a latch 25, a thumb turn 27, a cylinder lock (not shown), and a trigger 31 exposed to the outside. Yes. Note that the thumb turn 27, the cylinder lock, and the trigger 31 may not be particularly included as constituent members of the present embodiment. The lock case 21 includes an outdoor case 21a and an indoor case 21b. The outdoor side case 21a and the indoor side case 21b are attached with the door opening / closing end 33 of the entire glass door 11b sandwiched therebetween. From each of the outdoor case 21a and the indoor case 21b, the shaft portions 35 of the lever handles 23A and 23B having the handle portions 34 formed at the tips protrude in a direction perpendicular to the door surface 37.

  The lock with face 100 is made to protrude from the door opening / closing end 33 with the front end of the latch 25 advancing and retreating from the lock case 21 fixed to the entire glass door 11b, and is locked to the locked body 17, thereby fixing the entire glass door 11b. Locked (open door restricted state). The lever handles 23A and 23B are rotatable in a direction perpendicular to the door surface 37 with the shaft portion 35 penetrating the entire glass door 11b and the lock case 21. Since the lever handle 23A, 23B is used as the opening / closing operation member, the surface lock 100 has an operation force from the center of rotation (center of the shaft portion 35) as compared with the case where the opening / closing operation member is, for example, a ball grip handle. A large distance to the application point is ensured, and a small rotational operating force can be easily and reliably input to the lock mechanism.

  The indoor side case 21b has a housing 101 in which a lock mechanism is provided. The casing 101 is fixed to the entire glass door 11b with the outdoor case 21a. The housing 101 is provided with a cam plate (not shown) for inputting a rotational operation force from the lever handles 23A and 23B to the lock mechanism, and the cam plate has a through hole. A prismatic shaft portion tip 35a of the lever handle 23A is penetrated from the outdoor side into the through hole, and the shaft portion tip 35a protrudes to the indoor side by a predetermined dimension (about 2 to 3 cm).

  A fixing screw hole 103 is formed on a side surface perpendicular to the door surface 37 of the housing 101, and the fixing screw hole 103 is screwed with a fixing screw inserted into an exterior case described later.

FIG. 4 is a perspective view of the housing shown in FIG.
A concave portion 107 is formed in a surface 105 parallel to the door surface 37 of the housing 101, and the concave portion 107 fixes a cylindrical boss 109 through which the shaft tip 35a is inserted. A male screw 111 is formed on the outer periphery of the cylindrical portion of the boss 109, and the male screw 111 is screwed with a nut described later. The boss 109 is formed with a flange portion 113 at the base end of the cylindrical portion, and the flange portion 113 is fixed to the housing 101 by fixing a fixing pin of the recessed portion 107 into a plurality of fixing holes 115.

  The casing 101 is covered so as to cover the outer case 117, and the outer case 117 has a through hole 119 corresponding to the fixing screw hole 103. In addition, a latch opening 121 for projecting the latch 25, a trigger opening 123 for projecting the trigger 31, a thumb turn opening 125 for projecting the thumb turn 27, and a boss insertion hole 127 for projecting the boss 109 are formed in the exterior case 117.

  In the present embodiment, a recess 129 is formed in the exterior case 117, and a boss insertion hole 127 is formed in the bottom surface 131 of the recess 129. Since the boss insertion hole 127 is opened at the bottom surface position of the recess 129 that is recessed from the outer case surface 133, the boss insertion hole 127 and the shaft portion tip 35a protruding from the boss insertion hole 127 are difficult to see, and the appearance is good. It is possible to do.

  A cylindrical collar 135 made of a resin material is interposed in the annular space between the shaft tip 35a and the boss 109, and the collar 135 has a flange 135a that abuts against the protruding end surface of the boss 109. The shaft portion 35 of the lever handle 23B comes into contact with the inner wall surface of the boss 109 via the collar 135, the eccentricity of the shaft portion 35 is suppressed, and the shake and backlash of the shaft portion 35 in the radial direction are restricted. Thereby, a favorable operational feeling of the lever handle 23B can be obtained.

  A nut 139 shown in FIG. 3 is interposed between the peripheral edge of the boss insertion hole 127 and the base end surface 137 (see FIG. 1) of the lever handle 23B. The nut 139 is screwed into the male screw 111 and is inserted into the boss insertion hole. It abuts on the periphery of 127. In the present embodiment, the nut 139 screwed into the male screw 111 of the boss 109 is brought into contact with the peripheral edge of the boss insertion hole 127, so that the boss insertion hole 127 is removed from the boss 109, that is, from the boss 109. The removal of the outer case 117 is regulated by a nut 139.

  In addition, in the exterior structure of the surface-coated lock according to the present invention, as will be described later, the removal of the exterior case 117 is also restricted by fixing the lever handle 23B to the shaft tip 35a. The nut 139 may be omitted.

  A decorative ring 141 is interposed between the nut 139 and the base end surface 137 of the lever handle 23B. The decorative ring 141 is flush with the exterior case surface 133 and is received in the recess 129. The nut 139 for preventing the outer case 117 from coming off is covered with the decorative ring 141 on the same surface as the outer case surface 133, and the entire outer case surface 133 is covered with a continuous finish surface of the decorative member. Thereby, the appearance of the exterior case 117 is improved.

  An insertion hole (not shown) opened at the base end surface 137 of the lever handle 23B is fitted into the shaft tip 35a protruding from the boss 109. The lever handle 23B is fixed to the shaft tip 35a with a retaining screw (not shown) orthogonal to the shaft 35. Therefore, the outer case 117 is inserted into the through hole 119 and screwed into the fixing screw hole 103, and the peripheral edge of the boss insertion hole 127 through the nut 139 and the decorative ring 141. The lever handle 23B comes into contact with the base end surface 137 of the lever handle 23B and is attached to the housing 101.

  In the exterior structure of the surface lock, the screw head does not appear outside the room to improve security. The outdoor case 21a is configured to penetrate the entire glass door 11b and be fixed to the indoor lock box housing 101 or the like. The lever handles 23A and 23B have a pair of structures indoors and outdoors. A shaft tip (square shaft) 35a fixed to the outer lever handle 23A passes through the cam plate in the lock box housing 101, and the shaft portion 35 of the inner lever handle 23B is inserted into the corner shaft tip side. Is done. The lever handle 23B is fixed to the shaft tip 35a by screwing a retaining screw (not shown) from the outer periphery toward the radially inner side of the shaft 35.

A procedure for assembling the exterior structure having the above configuration will be described.
FIG. 5 is an explanatory view of the mounting procedure in a state where the casing is covered with the outer case, FIG. 6 is an explanatory view of the mounting procedure in a state where the collar is inserted into the boss, and FIG. FIG. 8 is an explanatory view of the installation procedure in a state where the decorative ring is fitted in the recess.
In the state where the outdoor case 21a and the casing 101 are fixed to the entire glass door 11b, the casing 101 is covered with the exterior case 117 as shown in FIG. The fixing screw 143 inserted into the through hole 119 of the outer case 117 is screwed into the fixing screw hole 103 of the housing 101. As a result, the outer case 117 is temporarily fixed to the housing 101.

  Next, as shown in FIG. 6, the collar 135 is mounted inside the boss insertion hole 127. As shown in FIG. 7, a nut 139 is screwed onto the male screw 111 of the boss 109. As shown in FIG. 8, the decorative ring 141 is mounted in the recess 129 so as to cover the nut 139. Finally, the shaft portion 35 of the lever handle 23B is inserted into the shaft portion distal end 35a, and a retaining screw (not shown) is screwed inwardly in the radial direction of the shaft portion 35 of the lever handle 23B to be fixed to the shaft portion distal end 35a. Thereby, the removal of the lever handles 23A and 23B is restricted, and at the same time, the outer case 117 is also restricted from falling off.

  In this surface-locked exterior structure, if the fixing screw 143 is removed, the retaining screw is removed, the lever handle 23B is removed from the shaft tip 35a, the decorative ring 141 is removed, and then the nut 139 is unscrewed. Then, the restriction of attaching / detaching the outer case 117 to / from the casing 101 is released, and the outer case 117 can be easily detached from the casing 101. As a result, the mounted outer case 117 can be easily replaced with a new outer case of a different color or design. At that time, the lock mechanism can be reused as it is, and only the outer case 117 can be replaced. At the same time, the lever handle 23B can be replaced with an operating member having a design that matches the exterior case 117 or a shape having other functions.

  Therefore, according to the exterior structure of the surface-coated lock described above, the fixing screw 143 inserted into the through hole 119 and screwed into the fixing screw hole 103, and the base portion of the lever handle 23B that contacts the peripheral edge of the boss insertion hole 127 Since the outer case 117 is regulated by the end surface 137 to drop off and can be attached to the housing 101, the outer case 117 can be removed by removing the fixing screw 143, removing the retaining screw, and removing the lever handle 23B from the shaft tip 35a. It can be easily detached from the housing 101.

  Thereby, it can be easily replaced with a new exterior case of a different color or design. In addition, the lock mechanism can be reused as it is, and only the outer case 117 needs to be replaced. Therefore, the replacement can be performed at low cost and in an easy operation in a short time. As a result, the design can be changed and the appearance can be renewed easily and inexpensively, the economical efficiency when replacing the face lock 100 can be improved, and resources can be used effectively.

  In the above embodiment, since the opening / closing operation members are the lever handles 23A and 23B, it is possible to easily and surely input a small rotational operation force to the lock mechanism and improve the operability as compared with the ball grip handle or the like. Can be made. In addition, as for the exterior structure of the surface-locking lock | rock which concerns on this invention, of course, the opening / closing operation member may be a ball-shaped handle.

  Further, in the above-described embodiment, the case where the surface lock 100 is provided on the double-sided full-face glass door 11 has been described as an example. Of course, it may be used for a steel door or the like.

It is an external appearance perspective view of the surface-coated lock provided with the exterior structure which concerns on this invention. It is the front view which looked at the full surface glass door to which the lock with a surface shown in FIG. 1 was attached from the outdoor side. It is the disassembled perspective view which looked at the lock with face shown in FIG. 1 from the outdoor side. It is a perspective view of the housing | casing shown in FIG. It is attachment procedure explanatory drawing of the state which covered the exterior case on the housing | casing. It is attachment procedure explanatory drawing of the state which inserted the color | collar in the boss | hub. It is attachment procedure explanatory drawing of the state which screwed the nut in the boss | hub. It is attachment procedure explanatory drawing of the state which fitted the decoration ring in the recessed part.

Explanation of symbols

11 ... door 23A ... outdoor opening / closing operation member (lever handle)
23B ... Indoor side opening / closing member (lever handle)
35 ... Shaft 35a ... Shaft tip 37 ... Door surface 100 ... Face lock 101 ... Housing 103 ... Fixing screw hole 109 ... Boss 111 ... Male screw 117 ... Exterior case 119 ... Through hole 127 ... Boss insertion hole 129 ... Concave portion 131 ... Bottom surface of concave portion 133 ... Case surface 135 ... Collar 137 ... Base end surface 139 ... Nut 141 ... Cosmetic ring 143 ... Fixing screw

Claims (5)

A housing having a locking mechanism fixed to the door surface and having a fixing screw hole on a side surface perpendicular to the door surface;
An outdoor opening / closing operation member whose shaft portion penetrates the door and the housing from the outdoor side;
A cylindrical boss provided in the housing and through which the shaft portion is inserted;
An outer case having a through hole corresponding to the fixing screw hole that covers the housing and a boss insertion hole that is externally inserted into the boss;
An indoor opening / closing operation member that fits an insertion hole opened at a base end face into the shaft protruding from the boss and is fixed to the shaft with a retaining screw orthogonal to the shaft.
With
The outer case is regulated to fall off by a fixing screw inserted into the through hole and screwed into the fixing screw hole, and a base end surface of the indoor side opening / closing operation member that comes into contact with a peripheral edge of the boss insertion hole. An exterior structure of a face-locking device, which is mounted on the housing. A recess is formed in the outer case,
2. The exterior structure of a face-locking device according to claim 1, wherein the boss insertion hole is formed in the bottom surface of the recess.   The exterior structure of a face-locking tablet according to claim 2, wherein a cylindrical collar made of a resin material is interposed in an annular space between the shaft portion and the boss. A male screw is formed on the outer periphery of the boss,
The nut which engages with the male screw and contacts the peripheral edge is interposed between the peripheral edge of the boss insertion hole and the base end face of the indoor side opening / closing operation member. Item 3. The exterior structure of the face-coated lock according to Item 3.   5. The surface according to claim 4, wherein a decorative ring that is flush with the surface of the outer case and is accommodated in the recess is interposed between the nut and the base end surface of the indoor side opening / closing operation member. Locked exterior structure.

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