JPH09256706A - Imposition type Gremon tablets - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce boring work of a door and omit a key mounting work by mounting a cremorne lock on the surface of a door without engraving. SOLUTION: A cremorne lock comprises three unit components which include a lock main body 2, an inner operation unit 3 and an outer operation unit 4. The inner and outer operation units 3 and 4 are laid out inside and outside a door 1 where the lock main body 2 is laid out inside a cover 19 of the inner operation unit 3. The three unit components are connected with a handle shaft 5 and a thumb-turn shaft 6 and fixed with the door 1 with a screw 7 screwed into from the side of the cover 19. Preferably, an operation hole 50 and an insertion hole 51 be provided on the door 1 so as to pass the screw 7, the handle shaft 5 and the thumb-turn shaft 6. The three unit components can be incorporated with ease as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an imposition type Gremon tablet having a lock body mounted on a door surface.

[0002]

2. Description of the Related Art A so-called imposition type locking device in which a lock body is mounted on a door surface is known, for example, from Japanese Utility Model Publication No. 2852. It applies to relatively small and thin doors such as furniture doors and doors of rooms, and it is difficult to embed the lock body in the door. Attached.

The Glemon lock is composed of a lock body containing lock components in a rectangular box-like case, a pair of inner and outer handles, a cylinder lock and a thumb turn for preventing an unlocking operation by the handles. In many cases, the lock body is housed in a set hole that is recessed in the end face on the door side, and a handle, a cylinder lock, and a thumb turn are attached to the inner and outer surfaces of the door together with a cosmetic seat plate.

[0004]

As described above, the conventional gremone lock adopting the digging type mounting form has a set hole for accommodating the lock body, a rod hole for passing the upper and lower rods, and a handle. It is necessary to form an operation hole for passing the shaft and the thumb-turn shaft in the side surface of the door, the front-rear direction, and the vertical direction, which requires a lot of time and labor for processing the door and increases the construction cost. There is also a disadvantage that it takes a lot of time to assemble the operation parts such as the rod, the handle and the thumb turn.

By mounting the lock body of the conventional Gremon tablet in an imposition form, it is possible to omit the processing of the set hole and the rod hole. However, in this case, since the lock body is exposed on the door surface, there is a possibility that dust or condensed water may enter the case during long-term use and cause malfunction. It also lacks appearance.

As seen in the locking devices for furniture doors above,
If the case of the lock main body is formed of, for example, a die-cast molded product and hermetically sealed, malfunction of the lock component due to dust, dew condensation water, rainwater, or the like can be prevented. However, the case size of Gremon tablets applied to outdoor doors, airtight room doors, etc. is large, and if this is formed from a die-cast molded product, the cost of the entire lock increases.

An object of the present invention is to provide an imposition type glemon tablet which can minimize the hole processing on the door side, can be easily assembled to the door with little labor, and can reduce the overall construction cost. To provide. Another object of the present invention is an imposition type die that can reliably perform dustproofing and waterproofing of the lock body, operation member, etc., and can ensure reliable operation of the lock for a long period of time, while reducing the cost required for its production. To provide the Gremon tablets.

Another object of the present invention is that the entire lock is composed of three units, and these units are connected by a handle shaft and a thumb turn shaft and then fastened by a plurality of screws. An object is to provide an imposition type Gremon tablet that can be easily attached.

[0009]

The Gremon lock according to the present invention comprises a pair of inner and outer operation units 3 and 4, which are opposed to each other with a door 1 interposed therebetween, and a lock main body 2 which is housed in the inner operation unit 3. Is equipped with. Both internal and external operation units 3 and 4
Has a cover 19, 36 made of a press-molded product, each opening toward the panel surface of the door 1. Both covers 19 and 36 have a mounting seat 23 formed by bulging the cover wall toward the outer surface, and an inner frame 24 fixed to the inner surface of the cover.
A container 32 for the operating tool and a fastening portion 33 for the operating tool are formed by and. The handle 20, the thumb turn 21, and the cylinder lock 37 are attached to each of the accommodating portions 32 of the covers 19 and 36 to make the inner and outer operation units 3 and 4 into unit parts. Both the inner and outer operation units 3 and 4 and the lock body 2 are operably connected by an operation hole 50 provided in the door 1 and a handle shaft 5 and a thumb turn shaft 6 that traverse the lock body 2, respectively, and further internal operation is performed. Fasten and fix with a plurality of screws 7 screwed in from the unit 3 side.

Specifically, each of the inner frames 24 is integrally formed with a leg wall 29 also serving as a spacer. Fastening portions 33 for operating tools are provided between the inner frame 24 of the inner operation unit 3 and the lock body 2, and between the inner frame 24 of the outer operation unit 3 and the door 1. A packing 52 is arranged between the cover 36 of the outer operation unit 4 and the door 1, and a lock cap 38 having a lid 49 that can be opened and closed is provided on the outer surface of the mounting seat 23 of the cover 36 to cover the outer surface of the cylinder lock 37. Wear in the state. Inner end of cylinder lock 37 and thumb turn 21
The shaft couplings 42 and 46 are connected to the respective inner ends of the shafts. The thumb turn shaft 6 is connected and fixed to one shaft joint 46, and is inserted into and engaged with the other shaft joint 42.

[0011]

The Glemon lock is composed of the lock main body 2 and the operation units 3 and 4 inside and outside, and the imposition is performed with these being arranged on the inside and outside surfaces of the door 1.
Operation hole 50 for passing the handle shaft 5 and thumb turn shaft 6
Therefore, the number can be reduced to only the insertion hole 51 for passing the screw 7.
Since the operation parts such as the handle 20, thumb turn 21, cylinder lock 37 and the like are pre-assembled on the covers 19 and 36 respectively to form the inner and outer operation units 3 and 4 as unit parts, the lock main body 2 and both operation units 3 and 4 are divided into three parts. The Gremon lock can be easily attached to the door 1 only by assembling the persons in order and fastening the screws 7. The operation tool housing portion 32 houses the boss 20a at the base end of the handle 20, the mounting portion 21a of the thumb turn 21, and the cylinder lock 37, and the operation tool fastening portion 33 is a nut 41 for fastening the boss 20a. It is provided to house the shaft joints 42 and 46 for the thumb turn shaft 6. Inside the lock body 2 is the operation unit 3
Since it is housed in the cover 19, it is possible to well prevent malfunction of the lock component due to dust or dew condensation water.

When the leg wall 29 also serving as a spacer is provided on the inner frame 24, it is not necessary to separately provide a component such as a distance collar, and the structure of the covers 19 and 36 can be simplified correspondingly and the assembly can be simplified. The packing 52 and the lock cap 38 are provided on the outer operation unit 4 in case the outer operation unit 4 is exposed to the weather. Thumbnail 21 and cylinder lock 37, shaft joint 42
The connection with the thumb turn shaft 6 via 46 is such that the thumb turn shaft 6 fixed to one of the shaft joints 46 can be assembled by simply inserting and engaging the other shaft joint 42. This is to reduce the labor required for.

[0013]

1 to 5 show an embodiment of an imposition type gremone tablet according to the present invention. In FIG. 1, the Gremon lock includes a lock main body 2 arranged on the inner side surface of the door 1, an inner operation unit 3 covering the lock main body 2, an outer operation unit 4 arranged on the outer side surface of the door 1, and these three parts. It is composed of a handle shaft 5 and a thumb turn shaft 6 which are linked so as to be interlockable, and a pair of upper and lower screws (screws) 7 for fastening and fixing the three members to the door 1.

In FIG. 2, a lock body 2 is provided inside a rectangular box-shaped case 2a, and a dead bolt 10 and a pair of upper and lower sliders 1 which are simultaneously operated to move in and out by a T-shaped driving lever 9.
1, a trigger 12 for restricting upward sliding of the upper slider 11, and a lock block 14 such as a lock block 14 that is slid by a thumb turn lever 13 and locks and holds the upper slider 11 so that it cannot be slid upward. Configure. As shown in FIG. 3, the dead bolt 10 engages with a striker 16 provided on the door frame 15 to hold the door 1 closed. The trigger 12 is biased by a spring in a direction projecting from the case 2a, and only when the trigger 12 contacts the door frame 15 and retracts into the case 2a.
You can slide 1 up and down. On the upper and lower sliders 11,
Each rod 17 is fixed and dead bolt 10
When is engaged with the striker 16, the wedge-shaped locking pieces provided on the upper and lower ends of the rods 17 engage with the metal fittings provided on the door frame 15 side.

In FIGS. 4 and 5, the inner operation unit 3 is a cover 1 made of a press-formed product of a stainless plate material.
The cover 20 is provided with a handle 20 and a thumb turn 21 and is formed as one unit part.
The cover 19 has a rectangular box-shaped base portion 22 that opens toward the door 1 side, and a mounting seat 23 is formed by bulging substantially the center of the main wall of the base portion 22 toward the outer surface. An inner frame 24 is welded to the inner surface of the main wall 22. The mounting seat 23 is composed of a lower mounting seat 23a for the handle 20 and an upper mounting seat 23b for the thumb turn 21 which slightly bulges out from this, and mounting holes 25 are opened in respective surface walls. Fastening seats 26 for the screws 7 are formed above and below the mounting seat 23.

The inner frame 24 is the main wall 2 facing the mounting seat 23.
8 and a leg wall 29 that is bent to the left and right of the main wall 28, and is a press-formed product having a U-shaped cross section. A screw boss 30 for screwing and mounting the mounting portion 21a of the thumb turn 21 and a mounting hole 31 for inserting the boss 20a at the base end of the handle 20 are formed above and below the main wall 28, respectively. By fixing the inner frame 24 to the inner surface of the cover 19, the accommodating portion 32 for the operating tool can be partitioned between the main wall 28 and the mounting seat 23, and the front and rear lengths of the leg walls 29 on the inner surface side of the main wall 28. A fastening portion 33 for the operating tool is secured.

The lock body 2 is housed in the space between the opening of the base portion 22 and the bent projection end of the leg wall 29. Base part 22
An opening through which the dead bolt 10 and the upper and lower sliders 11 can be withdrawn is formed by notching in each of the one side surface and the upper and lower surface walls. Further, a plurality of screw holes (not shown) for fastening and fixing the cover 19 and the lock body 2 are provided in each of the left and right side walls of the base portion 22.

The outer operation unit 4 has a cover 36 similar to the cover 19 for the inner operation unit 3, and this cover 3
The handle 20, the cylinder lock 37, and the lock cap 38 are attached to 6 to form a single unit part. Compared with the cover 19 of the inner operation unit 3, the cover 26 has a slightly smaller outer dimension, a smaller front and rear thickness of the base portion 22, and a mounting seat 23 formed to be flush. However, since the other parts have basically the same structure, the same members are designated by the same reference numerals and the description thereof will be omitted. Since the cylinder lock 37 is attached to the cover 36 from the inner surface side of the inner frame 24, the mounting hole 39 is opened in the upper half portion of the main wall 28 of the inner frame 24. Screw bosses 40 for screwing the screws 7 are fixed above and below the main wall 28 of the inner frame 24.

In the inner operation unit 3, the handle 20 and the thumb turn 21 are attached to the cover 19 in advance. Specifically, the boss 20a of the handle 20 is inserted into the mounting holes 25 and 31 from the outer surface side of the cover 19 and engaged with the boss 20a.
Screw the nut 41 into the screw shaft at the tip of the
0 is rotatably attached. The mounting portion 21 a of the thumb turn 21 is screwed into the screw boss 30 through the mounting hole 25.
Further, the shaft joint 42 is fitted and engaged with the mounting portion 21a, and the plate body 43 screwed to the inner surface of the inner frame 24 holds and fixes it inseparably. The boss 20a of the handle 20 is formed with a connection hole for inserting and engaging the handle shaft 5 having a quadrangular cross section. Similarly, the shaft joint 42 is formed with a connecting hole for inserting and engaging the thumb turn shaft 6 having a quadrangular cross section. The plate body 43 may be welded to the inner frame 24 in advance.

In the outer operation unit 4, the handle 20, the cylinder lock 37, and the lock cap 38 are attached to the cover 36 in advance. Specifically, the boss 20 of the handle 20
The a is inserted into the mounting holes 25 and 31 from the outer surface of the cover 36, and the nut 41 is screwed into the screw shaft of the protruding end of the boss 20a to rotatably mount the handle 20. For the cylinder lock 37, a case having a tapered outer recess is inserted into the mounting holes 39 and 25 of the inner frame 24 and the mounting seat 23, and the holder 45 having a hat-shaped cross section that is fitted to the mounting portion 37a at the inner end of the case is screwed. It is stopped and fixed to the inner frame 24. The cylinder lock 37 is non-rotatably fixed by a detent metal fitting (not shown) assembled to the holder 45 afterwards. The shaft joint 46 is engaged and connected to the mounting portion 37a of the cylinder lock 37 from the outer surface of the holder 45, and one end of the thumb turn shaft 6 is inserted into the connecting hole and fixed by a pin. Handle 2
A connection hole for the handle shaft 5 is formed in the 0 boss 20a in the same manner as in the previous handle 20.

The lock cap 38 includes a ring-shaped cap main body 47 which is externally fitted to the outer surface case end of the cylinder lock 37,
The cap main body 47 is composed of a lid 49 which is vertically swingably supported around a horizontal shaft 48 provided at the upper end of the cap main body 47, and the cap main body 47 is fastened and fixed to the mounting seat 23 with screws. The lock cap 38 may be in a form of turning around a horizontal axis of the lid 49 as a center.

In order to attach the Gremon lock constructed as described above, as shown in FIG. 1, two operation holes 50 for passing the handle shaft 5 and thumb turn shaft 6 are provided in the door 1 in the thickness direction of the door. Further, two insertion holes 51 for inserting the screws 7 are provided in parallel with the operation hole 50.

When mounting the Gremon lock on the door 1, first, the outer operation unit 4 is assembled to the door 1 via the rubber packing 52, the screw boss 40 is inserted into the insertion hole 51, and the thumb turn shaft 6 is moved upward. Insert into the operation hole 50 of. Further, the handle shaft 5 is inserted into the lower operation hole 50, and one end thereof is inserted into and engaged with the boss 20a of the handle 20. The lock body 2 and the inner operation unit 3 are assembled beforehand and integrated. The integrated body is applied to the inner surface of the door 1, and the handle shaft 5 and the thumb turn shaft 6 are inserted into and engaged with the handle 20 and the thumb turn 21. In this state,
The screw 7 is inserted from the outer surface of the cover 19 into the lock main body 2, and the shaft end thereof is screwed into the screw boss 40 provided in the outer operation unit 4, so that the outer operation unit 4, the lock main body 2, and the inner operation unit 3 are connected to the door. Fasten and fix to 1. In this state, the leg wall 29 of each inner frame 24 contacts the door 1 or the lock body 2,
A space serving as the fastening portion 33 is secured. Finally, the upper and lower rods 17 are connected to the slider 11 to complete the attachment of the entire lock.

In addition to the above embodiments, the mounting seat 23 can be formed as an independent bulging wall corresponding to each of the handle 20, thumb turn 21, and cylinder lock 37. Instead of the screw boss 40, a long screw shaft may be fixed to the inner frame 24, and a nut may be screwed into this to fasten and fix the both operation units 3 and 4 and the lock body 2.

The operation parts such as the handle 20, thumb turn 21, and cylinder lock 37 may be omitted depending on the specifications of the Gremon lock. For example, cylinder lock 37
The inner operation unit 3 is provided with the thumb turn 4, or both the cylinder lock 37 and the thumb turn 21 are omitted. In these cases, the mounting hole 25 of the mounting seat 23
Is omitted. The handle 20 can be changed to a detachable type. Specifically, the handle shaft 5 is fixed to the boss 20a, and the handle shaft 5 is inserted into the lock body 2 when necessary to lock and unlock the lock. In this case, the mounting hole 25 for the handle 20
A lock cap 38 is mounted on the outer surface of the device so that the mounting hole 25 can be closed when not in use. In some cases, the dead bolt 10 and the trigger 12 can be omitted, and the door 1 can be closed and held only by the upper and lower rods 17.

[0026]

According to the present invention, the gremone lock is composed of the lock body 2 and the operation units 3 and 4 inside and outside, and these are attached to the inside and outside surfaces of the door 1 in an imposition state. Can be minimized, and the labor required for installation can be reduced, so that the labor and cost for constructing the Gremon tablets can be reduced as a whole. Since the lock main body 2 is arranged in the cover 19 of the inner operation unit 3 and the outer surface thereof is covered with the cover 19, it is possible to prevent dust and dew condensation water from entering the lock main body 2 and causing the lock portion to malfunction. , Handle shaft 5 of operation parts
Also, the connecting portion with the thumb turn shaft 6 is located in the cover 19 to prevent malfunction due to foreign matter being caught or rusting. Since the covers 19 and 36 are formed by press molding,
Even when the outer dimensions of the lock body 2 are large, the cost for manufacturing the inner and outer operation units 3 and 4 can be reduced, and a large imposition type Gremon tablet can be supplied at low cost. The Gremon tablets of the present invention are suitable for application to doors of unmanned communication relay facilities, doors of soundproof rooms, doors of factories or security facilities, etc., which are large and require sufficient robustness.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view showing a mounted state of a Gremon tablet.

FIG. 2 is a front view of the Gremon tablet as viewed from the indoor side of the door.

FIG. 3 is a cross-sectional view of a door frame showing the relationship between the Gremon tablets and the striker.

FIG. 4 is a cross-sectional view showing a disassembled Gremon tablet.

FIG. 5 is a perspective view showing the cover in a half-cut state.

[Explanation of symbols]

 1 Door 2 Lock Main Body 3 Inner Operation Unit 4 Outer Operation Unit 5 Handle Shaft 6 Thumb Turn Shaft 7 Screw 19 Cover 23 Mounting Seat 24 Inner Frame 32 Storage Part 33 Fastening Part 36 Cover 50 Operation Hole

Claims (4)

[Claims] 1. A pair of inner and outer operation units 3 and 4 arranged to face each other with a door 1 interposed therebetween, and a lock main body 2 housed in the inner operation unit 3, both the inner and outer operation units 3 being provided. Reference numeral 4 has covers 19 and 36 made of press-formed products, each of which opens toward the panel surface of the door 1, and both cover 19 and 36 are formed by bulging cover walls toward the outer surface. The seat 23 and the inner frame 24 fixed to the inner surface of the cover form a housing portion 32 for the operating tool and a fastening portion 33 for the operating tool, and each of the housing portions 32 of the covers 19 and 36 includes: The handle 20, thumb-turn 21, and cylinder lock 37 are attached, and the operation units 3 and 4 inside and outside are unitized, and both the operation units 3 and 4 inside and outside and the lock body 2 are provided on the door 1. The hole 50 and the lock body 2 sideways In the handle shaft 5 and the thumb turn shaft 6, operatively to be connected, imposition type cremorne tablets which had been fastened by a plurality of screws 7 screwed from the side of the inner operating unit 3. 2. A leg wall 29, which also functions as a spacer, is integrally bent and formed in each of the inner frames 24, and is formed between the inner frame 24 of the inner operation unit 3 and the lock body 2 and the inner part of the outer operation unit 3. An imposition type Gremon tablet in which a fastening portion 33 for an operating tool is provided between the frame 24 and the door 1. 3. The cover 36 of the outer operation unit 4 and the door 1
A packing 52 having a packing 52 disposed between the lock cap 3 and a cover 49, which is provided on the outer surface of the mounting seat 23 of the cover 36 and is openable / closable.
The imposition-type Gremon tablet according to claim 1 or 2, wherein the cylinder lock 37 is mounted so as to cover the outer surface thereof. 4. The inner end of the cylinder lock 37 and the thumb turn 2
The shaft joints 42 and 46 are connected to each of the inner ends of the shaft 1, and the thumb turn shaft 6 is connected and fixed to one shaft joint 46 and is inserted into and engaged with the other shaft joint 42. Or the imposition type glemmon tablet according to 2 or 3.