JPH0547715B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a simple lock that can be attached to a sliding door of an opening in a building to lock the sliding door.

<Prior art> This type of simple lock has a hook part at the tip of the shaft part in the inward and outward direction on one of the fitting frames of a pair of sliding doors that are overlapped in the inward and outward directions and opened and closed by movement in the sliding direction. A locking body having a locking body is provided so as to be freely retractable in and out directions and rotatable around its shaft, and the other fitting frame has an opening through which the hook can be freely inserted and removed, and is hooked by rotation around the shaft. There is one that has a locked body that is hooked to the periphery of the opening.

However, this type of simple lock requires two types of operations when locking and unlocking: moving the locking body in and out in the outward and outward directions, and rotating the locking body around the shaft. The operation was troublesome.

Therefore, conventionally, an outer cylinder formed into an L-shape with a cam hole and a part extending in the axial direction and a part extending in the circumferential direction is fixed to an outer fitting frame, and inside this outer cylinder, a cylinder that is inclined with respect to the axial direction is attached. An inner cylinder having a spiral cam hole is rotatably inserted into the inner cylinder, and the shaft of the locking body is rotatably inserted into the inner cylinder, and a cam pin protruding from the circumferential surface of the shaft is connected to both the inner and outer cylinder cams. By penetrating the hole and rotating the inner cylinder relative to the outer cylinder via a gear mechanism, a simple lock can move the locking body in and out and rotate it by simply rotating the key or thumb turn. It has been proposed (Jikko Sho 53
-Refer to Publication No. 47033).

(Problems to be Solved by the Invention) However, in the above-mentioned conventional technology, since the cam mechanism consisting of the dual inner and outer cylinders is fitted onto the shaft of the locking body, the width dimension around the shaft becomes enlarged. Therefore, there is a problem that the width of the simple lock increases and that it cannot be attached to a relatively narrow fitting frame.

In addition, conventionally, the locking body and the inner and outer cylinders were installed inside the outer fitting frame, and the gear mechanism and key cylinder for rotating the inner cylinder were all housed inside the outer fitting frame, so the inside of the simple lock was It also has the disadvantages of being easily penetrated by rain and wind and being less durable.

In view of the above circumstances, the first object of the present invention is to enable the locking body to be moved in and out and rotated only by sliding movement in the vertical direction without increasing the width of the simple lock.

In addition to the above, a second object of the present invention is to improve the durability of a simple lock provided on a sliding door that partitions the inside and outside of a building.

<Means for solving the problems> In order to achieve the above object, the present invention has taken the following technical means.

That is, the first feature of the technical means taken by the present invention is that among the pair of sliding doors 13, 13 that overlap in the inside and outside directions and are opened and closed by movement in the sliding direction,
A locking body 14 having a hook portion 22 at the tip of the shaft in the inner and outer directions is provided on one of the fitting frames 11 so as to be able to move in and out in the inner and outer directions and to rotate freely around the shaft. In a simple lock for a sliding door, which has an opening 33 in which the part 22 can be inserted and removed, and a locking object 15 is attached in which the hook part 22 is latched to the periphery of the opening 33 by rotation around the shaft part, The fitting frame 11 includes a vertical plate 43 that is slidable in the vertical direction, and a swing whose middle part is pivotally supported around the horizontal axis 29 so as to be swingable in the inward and outward directions, and whose one end part is connected to the shaft part of the locking body 14. A dynamic link 1 is provided, and a vertical plate 43 is provided.
A cam 47 is provided to cause the swinging link 1 to swing by sliding the vertical plate 43 to project the hook portion 22 into the opening 33 of the locked body 15.
When the hook portion 22 protrudes, a vertical plate 43 is attached to the shaft portion of the
Rotation shaft 1 that converts the sliding movement of the shaft into rotation of the shaft.
6.

The second feature is that among the pair of sliding doors 13, 13 that overlap in the inside and outside directions of the building and are opened and closed by movement in the sliding direction, the inner fitting frame 11 has a hook portion at the outer end of the shaft in the inside and outside direction. Locking body 14 having 22
The outer fitting frame 12 has an opening 33 through which the hook part 14 can be inserted and removed, and the hook part 22 can be moved in and out by rotating around the shaft part. In a simple lock for a sliding door with a locking object 15 attached to the periphery of the opening 33, a vertical plate 43 that can be slid vertically is attached to the inner fitting frame 11, and a middle part that moves inward and outward around the horizontal axis 29. A vertical plate 43 is provided with a swing link 1 which is pivotably supported so as to be swingable in a direction and whose one end is connected to the shaft of the locking body 14.
A cam 47 is provided on the shaft of the locking body 14 to swing the swing link 1 by sliding the vertical plate 43 to project the hook portion 22 into the opening 3 of the locking body 15. A rotating body 16 that converts the sliding movement of the vertical plate 43 into rotation of the shaft when the hook portion 22 is protruded.
A key cylinder 79 having a rotating shaft 81 on the inner end side that rotates when the key is rotated is attached to the outer fittings frame 1.
2, and a rotating member 39 that converts the rotation of the rotating shaft 81 into sliding movement of the vertical plate 43 is attached to the inner fitting frame 11.
It is at the point set in .

<Function> When the vertical plate 43 is slid to one side in the vertical direction,
Swing link 1 via cam 47 provided on vertical plate 43
swings around the horizontal axis 29. Since one end of the swinging link 1 is connected to the shaft of the locking body 14, the swinging of the swinging link 1 causes the hooking portion 2 of the locking body 14 to
2 is inserted into and removed from the opening 33 of the locked body 15.

On the other hand, a rotating body 16 provided on the shaft of the locking body 14
converts the sliding movement of the vertical plate 43 into rotation of the shaft portion when the hook portion 22 is protruded, and thereby the hook portion 22 of the locking body 14 engages with the opening 33 of the locked body 15.
It is engaged and disengaged from the periphery.

<Example> Hereinafter, an example of the present invention will be described based on the drawings.

In Fig. 1, reference numerals 13, 13 are a pair of front and rear sliding doors, which are slidably attached to the opening 10 of the entrance of the building, and when the opening 10 is closed, they overlap in the direction of the inside and outside of the building. Front (inside)
It has a fittings frame 11 and a rear (outside) fittings frame 12. Note that in the present embodiment, the front side refers to the indoor side.

A simple lock 9 is attached to the fitting frames 11 and 12, which overlap front and back when the sliding doors 13 and 13 are closed. Figure 2 shows the simple lock 9.
FIG. 2 is a diagram showing the installation state of the front fittings frame 11, in which the locking body 14 and the indoor lock operating tool 4 are installed,
A locked body 15 and an outdoor lock operating tool 5 are attached to the rear fitting frame 12. Further, the locking body 14 is attached to the front fitting frame 11 via a holder 6.

5 to 10 show the mounting structure of the holder 6 and the locking body 14, FIGS. 15 to 27 show each part of the holder 6, and FIGS. 28 and 29 show the locking body 1.
4 are shown, and these will be explained first.

As shown in FIGS. 28 and 29, the locking body 14 has a cylindrical support shaft portion 7 at the rear end, a gear portion (rotating body) 16 having teeth 8 on the outer periphery at the middle portion, and a front end portion. The drawing part 21 is eccentric in parallel to the axis of the locking body 14.
and a drawing part (hanging part) 22 which is connected orthogonally from the tip of the drawing part 21. Additionally, a small diameter stepped portion 17 is provided between the support shaft portion 7 and the gear portion 16.
A flat portion 18 having no tooth portion 8 is formed on the outer periphery of the gear portion 16. The support shaft portion 7 and the small diameter stepped portion 17 are concentrically coupled in the front-rear direction, thereby forming a shaft portion of the locking body 14 facing in the front-rear direction (inside and outside the building). Further, the radially outer end surface of the drawing portion 21 is a pressing surface 23 that is eccentric from the axis of the locking body 14 .

In the holder 6, 19 is shown in FIGS. 15 to 18.
The mounting base also shown in the figure includes a board 20 and the board 20.
The support body 24 has a U-shaped cross section and is fixed to the front surface. The board 20 is attached so that its rear surface is flush with the rear end surface 11' of the front fitting frame 11.
Insertion holes 26, 26 for mounting screws 25, 25 are provided therethrough. Furthermore, a through hole 27 of the locking body 14 and a through hole 28 of the outdoor lock operating tool 5 are provided through the base plate 20 and the bottom of the support body 24 . On both sides of the support body 24, a first operating body (swing link) 1, which will be described later, is provided.
A through hole 30 for a support shaft (horizontal shaft) 29 is provided through the support body 24, and a rotation regulating piece 31 (described later) is provided at the lower front end of the support body 24.
A mounting step 32 is formed.

Reference numeral 39 denotes a feeding gear (rotating member) of the operating body 3, which will be described later, which is rotatably supported in the through hole 28 of the outdoor lock operating tool 5 of the mounting base 19 and is prevented from falling off by the holding member 41. ing. A square hole 42 for connection with the outdoor lock operating tool 5 is provided through the axis of the operating body feeding gear 39 .

Reference numeral 3 denotes an operating body, as shown in FIGS. 19 to 22, which has a U-shaped cross section with opposing side plates (vertical plates) 43 and 44 and a connecting plate 45 therebetween. The connecting plate 45 is provided with a through hole 46 for connecting with the indoor lock operation tool 4. A guide hole (cam) 47 for operating the first actuator is provided through the side plates 43 and 44 .
The guide hole 47 has a first portion 47 along the vertical direction.
a and a second portion 47b extending obliquely backward and downward from the lower end of the first portion 47a, and the first portion 47
A concave portion 48 that is slightly recessed rearward is connected to the upper end of a. One side plate 43 has an engagement window 4 into which the teeth 39a of the operating body feeding gear 39 are inserted.
9... is provided through the other side plate, and its teeth 39a are provided on the other side plate.
A notch 50 for preventing interference with... is provided. Note that the lowermost engagement window 49 has a cutout shape with its rear end open.

2 is a second operating body, one side plate 43 of the operating body 3;
It is integrally connected to the lower end of the. The second actuating body 2 is provided with an engagement window 51 for engaging the outer circumferential tooth portion 8 of the locking body 14.

Reference numeral 31 denotes a rotation regulating piece for the locking body 14, which includes a rectangular fixing plate 52 and a rotation regulating tongue piece 53 formed by cutting and raising the lower center of the fixing plate 52 rearward, as shown in FIGS. 23 and 24. It is equipped with The tongue piece 53
The dimensions are the size of the support 24 when attached to the support 24.
The dimensions are such that there is a space between the 4 bottoms. Also,
A pivot hole 54 for the locking body 14 is provided through the fixed plate 52, and cutouts 55 for engagement with the mounting steps 32 of the support body 24 are formed at the four corners.

Reference numeral 1 denotes a first operating body, which is formed into a U-shaped cross section by a bottom plate 56 and side plates 57, 57, as shown in FIGS. 25 to 27. A recess 58 is formed at the lower end of the bottom plate 56 into which the small diameter stepped portion 17 of the locking body 14 is inserted. The lower ends of the side plates 57, 57 are cut out to form a stepped part 59, and the upper end has an insertion hole 61 for a guide shaft 60, which will be described later, and the midway part has an insertion hole 62 for a support shaft 29, which will be described later. It is formed.

As shown in FIGS. 5 to 10, the locking body 14 is inserted into the through hole 27 of the mounting base 19, and is rotatably inserted into the pivot hole 54 of the rotation regulating piece 31 about the axis. It is supported and held so as to be freely movable in the front-back direction and rotatable around its back-and-forth movement axis.

Further, the operating body 3 is fitted between both sides of the support body 24 and is vertically movable.

Then, the first operating body 1 is connected to the side plates 4 of the operating body 3.
3 and 44, and the support body 24
It is swingably supported by a support shaft 29 between both sides of the support shaft 29 . In addition, the insertion hole 6 at the upper end of the first actuating body 1
A guide shaft 60 is inserted into the guide hole 47 of the operating body 3 in the form of a bridge. Here, 63 is a spring that is wound around the support shaft 29 and engaged with the first operating body 1 and the rotation regulating piece 31. This is the first operating body 1
The upper end of the operating body 3 is biased in the direction of swinging rearward about the support shaft 29, thereby preventing the operating body 3 from falling naturally.

When the locking body 14 is attached to the holder 6, the locking body 14 is inserted into the recess 58 of the first actuating body 1, so that the locking body 14 is moved by the first actuating body 1. It is said to be in the most forward position. At this time, the drawing part 21 and the drawing part 22 are recessed into the mounting base 19, and the free end of the drawing part 22 is directed downward. In addition, the locking body 14
The flat portion 18 of the locking body 14 engages with the rotation regulating tongue piece 53, thereby regulating the rotation of the locking body 14. Thereby, the free end of the drawing part 22 is held so as to face downward in the retracted state. The lower end of the second operating body 2 is located above the tooth portion 8 of the locking body 14. Further, the guide shaft 60 of the first operating body 1 is connected to the guide through hole 47.
It is located at the lowest end of the second portion 47b.

11 and 12 show a state in which the operating body 3 is moved downward from the above state. When the operating body 3 is moved downward, the guide shaft 60 moves into the guide hole 47.
moves relatively upward within the second portion 47b and reaches the lower end of the first portion 47a. Then, the second part 4
Since 7b is inclined diagonally rearward and downward, the first operating body 1 into which the guide shaft 60 is inserted swings so that its lower end moves rearward about the support shaft. Then, since the small-diameter stepped portion 17 of the locking body 14 is inserted between the recesses 58 at the lower end of the first actuating body 1, the locking body 14 moves rearward as the first actuating body 1 swings. This backward movement distance is a predetermined dimension determined by the longitudinal distance between the first portion 47a and the lower end of the second portion 42b of the guide hole 47. By this backward movement of a predetermined dimension, the drawing part 21 of the locking body 14
The pulling portion 22 protrudes by a predetermined distance from the rear end surface of the base plate 20, that is, from the rear end surface 11' of the front fitting frame 11. In this state, the flat portion 18 of the locking body 14 also moves backward, and the engagement with the rotation regulating tongue piece 53 is released. Here, the lower end of the second operating body 2 comes into contact with the teeth 8 of the locking body 14, but the locking body 14 is not rotated.

Figures 13 and 14 are similar to Figures 11 and 12.
A state in which the operating body 3 is further moved downward from the state shown in the figure is shown. Due to this downward movement of the operating body 3, the guide shaft 60 moves relatively upward in the first portion 47a of the guide hole 47 and reaches the recess 48 at the upper end. In this case, since the first portion 47a is along the vertical direction, the first actuating body 1 does not swing. Further, the guide shaft 60 is moved into the recess 48 by the elastic force of the spring 63.
Therefore, the operating body 3 does not move even if the sliding door 13 is vibrated. When the operating body 3 moves downward, the lower end of the second operating body 2 and the engagement window 5
1... engages with the teeth 8 of the locking body 14 and the locking body 1
Rotate 4 approximately 90 degrees. Due to this rotation of the locking body 14, the free end of the pulling portion 22 is turned sideways.

Then, when the operating body 3 is moved upward, the draw portion 21 and the pull portion 22 are again retracted from the rear end surface 11' of the front fitting frame 11 due to the movement opposite to the above.

Next, the indoor lock operating tool 4 shown in FIGS. 30 to 32 will be explained. In the indoor lock operating tool 4, reference numeral 64 denotes a rectangular mounting plate that is mounted to the front end surface of the front fitting frame 11 with mounting screws 65, 65, and the through holes 66, 66 of the mounting screws 65, 65 and the knob guide hole 67 are connected to each other. It is installed through.

Reference numeral 68 denotes a plate-shaped operating body, which is integrally formed with an operating knob 69 on the front surface and an interlocking protrusion 70 on the rear surface.

Reference numeral 71 denotes a holding plate through which a guide hole 72 for the connecting protrusion 70 is provided. Then, attach the operating body 68 to the mounting plate 6.
4 is fixed to the mounting plate 64 with screws 73, 73, and a knob 69 and a connecting protrusion 70 are made to protrude from each guide hole 67, 72.

The connecting protrusion 70 is inserted into the connecting hole 46 of the operating body 3. This results in
By moving the operating knob 69 up and down, the operating body 3 can be moved up and down.

Next, the locked object 1 shown in FIGS. 33 to 35
5 will be explained. The locked body 15 has a rectangular plate shape and has a rectangular opening 33 in the center thereof. Further, 74 is a through hole for the outdoor lock operating tool.
Then, the locked body 15 is arranged so that the opening 33 is located at a position corresponding to the longitudinal movement axis of the locked body 14.
are screws 34 along the front end surface 12' of the rear fitting frame 12,
34. Here, the rear part of the opening 33 of the rear fitting frame 12 is hollowed out and a recess 35 is formed.
It is said that Thereby, the drawing part 21 and the drawing part 22 can be freely inserted into and removed from the opening 33 by protruding and retracting from the rear end surface 11' of the front fitting frame 11.

Then, the pressed surface 3 is brought into pressure contact with the pressing surface 23 by rotation within the opening 33 of the drawing part 21.
6 is provided along one side of the longitudinal periphery of the opening 33.

In this embodiment, a protruding wall 37 is provided to protrude rearward from one side of the periphery, and its inner wall surface is used as the pressed surface 36 . The opening 33 is not provided with such a protruding wall 37.
The inner peripheral wall surface may be used as the pressed surface 36. however,
By providing the protruding wall 37 as in this embodiment, the contact area with the pressing surface 23 is increased, and a large pressing force is stably generated.

The pressing of the pressed surface 36 by the pressing surface 23 is as follows:
As shown in FIGS. 39 and 41, the eccentric dimension X from the rotation center 38 of the locking body 14 to the pressing surface 23
is larger than the dimension Y from the rotation center 38 to the pressed surface 36. As a result, the rotation of the drawing part 21 causes the locked object 15 to move in the left and right direction relative to the locking object 14 by the dimensional difference (X-Y). This is to press the doors 13, 13 in the closing direction.

Moreover, as shown in FIGS. 40 and 42,
A cam surface 40 is formed on the rear end surface 15' of the locked body 15 along the periphery of the opening 33 on the opposite side of the pressed surface 36. The cam surface 40 is connected to the rear end surface 4 of the locked body 15.
It bulges out from 5' in a chevron shape, and the central part is flat. As a result, the attracting portion 22 is connected to the opening 33
When it rotates within the cam surface 40, it is guided onto the center of the cam surface 40.
In this case, since the protruding dimension of the pulling portion 22 from the rear end surface 11' of the front fitting frame 11 is regulated to a predetermined dimension, the locked object 15 will be relatively drawn toward the locking object 14 side. . Pulling part 22
The protrusion dimension from the rear end surface 11' of the front fitting frame 11 is,
The rear end surface 11' of the front fitting frame 11 and the rear fitting frame 1 are made to have a predetermined dimension corresponding to the bulging size from the rear end surface 15' of the locked body 15 at the center of the cam surface 40.
2 front end surface 12' can be brought into close contact with each other. Note that the cam surface 40 may be formed on the drawing part 22, and in short, the drawing part 22 and the rear end surface 1 of the locked body 15
5'.

Next, the outdoor lock operating tool 5 shown in FIGS. 36 to 38 will be explained. The operating tool 5 is embedded in the rear fitting frame 12 with screws 76, 76, and 77 is a mounting flange that is inserted into the screw insertion hole 7.
8, 78, and 79 is a cylindrical part (key cylinder)
A well-known cylinder lock is installed inside. A connecting square rod (rotating shaft) 81 projects from the front end and rotates when a duplicate key is inserted and rotated through the keyhole 80 on the rear end surface. The square connecting rod 81 is fitted into a square connecting hole 42 extending through the feed gear 39 of the operating body 3 so as to be relatively non-rotatable. Thereby, when the square rod 81 is rotated using a duplicate key from outside, the feeding gear 39 is rotated.
Then, the teeth 39a of the feed gear 39 engage with the engagement windows 49 of the operating body 3, allowing the operating body 3 to be moved up and down.

To lock using the simple lock 9 with the above configuration,
The operating body 3 is moved downward via the outdoor lock operating tool 5 or the indoor lock operating tool 4. Then, as shown in FIGS. 3, 39, and 40, the first operating body 1 causes the drawing part 21 and the drawing part 22 to protrude from the rear end surface 11' of the front fitting frame 11, and the opening 33 inserted within. When the operating body 3 further descends, the drawing part 21 and the pulling part 22 are rotated within the opening 33 by the second operating body 2, so that the pair of sliding doors 13, 13 are closed as described above. While being pressed in the direction, the rear end surface 11' of the front fitting frame 11 and the front end surface 12' of the rear fitting frame 12 come into close contact, resulting in the states shown in FIGS. 4, 41, and 42. Furthermore, in this state, the pulling portion 22 and the rear end surface 1 of the locked object 15
5' via the cam surface 40, the forward movement of the locking body 14 is restricted, and the engagement between the pressing surface 23 of the drawing part 21 and the pressed surface 36 of the opening 33 is maintained. The sliding doors 13, 13 are restricted from sliding in the left and right direction and are locked. Thereby, the sliding doors 13, 13 can be locked, and the building opening 10 can be hermetically closed by the sliding doors 13, 13.

Next, to unlock the door, the operating body 3 is moved upward via the outdoor lock operating tool 5 or the indoor lock operating tool 4, and the lock is unlocked by a reverse operation to the above.

Note that if the tapered protrusion 82 is formed on the rear end surface of the drawing part 22 as shown in FIG.
Even if a slight deviation occurs in the overlapping of the parts 1 and 12, the insertion of the drawing part 21 and the drawing part 22 into the opening 33 can be guided.

In the above embodiment, the simple lock 9 is shown attached to the sliding door of the entrance, but it may also be attached to the sliding door indoors, and the sliding door is not limited to one that slides left and right, but can also be used up and down. It may also be something that slides. In that case, the outdoor lock operation tool does not require a duplicate key with a cylinder lock inside.

In addition, when the second actuating body 2 is a gear as described above, a part of the circumferential surface is made smooth without providing teeth on the entire circumference.
and the pulling part 22 are connected to the rear end surface 11' of the rear fitting frame 11.
Until the locking body 14 protrudes by a predetermined distance from
The rotation of may be regulated.

<Effects of the Invention> According to the present invention, by vertically sliding the vertical plate 43 provided on one of the fitting frames 11, the hook portion 22 of the locking body 14 is connected to the locked body 1 via the swing link 9.
5, and the locking body 14 is rotated around the shaft part when the hook part 22 is protruded through the rotary body 16. Does not require any mechanism,
Vertical plate 4 without increasing the width of the simple lock.
The simple lock can be locked and unlocked by simply sliding the lock up and down as shown in step 3.

Further, according to the second invention, the main parts of the simple lock including the vertical plate 43, the swing link 9, the locking body 14, the cam 47, etc. are all provided in the inner fitting frame 11, and the vertical plate 43 is Since only the key cylinder 79 for movement is provided on the outer fitting frame 12, wind and rain are less likely to enter the main part of the simple lock, and the durability of the simple lock can be improved.

[Brief explanation of the drawing]

1 to 42 relate to embodiments of the present invention,
Figure 1 is a front view of a sliding door with a simple lock attached, Figure 2 is a sectional view of the same in the unlocked state, Figure 3 is a sectional view of the sliding door in the partially locked state, and Figure 4 is a sectional view of the same in the locked state. 5 is a rear view of the holder with the locking body attached, FIG. 6 is a side view of the same, FIG. 7 is a partially cutaway front view of the same, FIG. 8 is a plan view of the same, and FIG. Bottom view, 1st
Figure 0 is a sectional view of the same side, Figure 11 is a plan view of the same side in the middle of the locked state, Figure 12 is a sectional view of the same side, Figure 13 is a plan view of the same side in the locked state, and Figure 14 is a cross section of the same side. figure,
Fig. 15 is a rear view of the mounting base, Fig. 16 is a partially cutaway side view of the same, Fig. 17 is a front view of the same, Fig. 18 is a bottom view of the same, Fig. 19 is a right side of the operating body and the second operating body. Fig. 20 is a front view of the same, Fig. 21 is a left side view of the same, Fig. 22 is a bottom view of the same, Fig. 23 is a side view of the rotation regulating piece, Fig. 24 is a plan view of the same, and Fig. 25 is a view of the same. 26 is a side view of the same, FIG. 27 is a bottom view of the same, FIG. 28 is a rear view of the locking body, and 29
30 is a rear view of the indoor operating tool, FIG. 31 is a sectional view of the same side, FIG. 32 is a front view of the same, FIG. 33 is a rear view of the locked object, and FIG. 34 35 is a sectional view taken along line BB in FIG. 33, FIG. 36 is a rear view of the outdoor lock operation tool, FIG. 37 is a side view of the same, and FIG. The figure is a front view of the same, Figure 39 is a rear view explaining the state of the drawing part and the pulling part inserted into the opening before rotation, Figure 40 is a cross-sectional view taken along the line C--C in Figure 39, The figure is a rear view explaining the state of the drawing part and the pulling part inserted into the opening and locked, and Fig. 42 is D-D of Fig. 41.
The line sectional view and FIG. 43 are side views of locking bodies according to different embodiments. 1... Swinging link (first operating body), 11... Inner fitting frame (front fitting frame), 12... Outer fitting frame (rear fitting frame), 13... Sliding door, 14... Locking body , 15... Locked body, 16... Rotating body (gear part), 22... Hook part (pulling part), 29... Horizontal shaft (support shaft), 33... Opening, 39... Rotating member (Feed gear), 43... Vertical plate (side plate), 47... Cam (guide hole), 79... Key cylinder (cylindrical part),
81... Rotating shaft (square shaft for connection).

Claims (1)

[Claims] 1. Of a pair of sliding doors 13, 13 that overlap in the inside and outside directions and are opened and closed by movement in the sliding direction,
One fitting frame 11 is provided with a locking body 14 having a hook portion 22 at the tip of the shaft portion in the inward and outward directions so as to be movable in and out directions and rotatable around the shaft portion. In a simple lock for a sliding door, which has an opening 33 in which the lock 22 can be inserted and removed, and a locked body 15 in which the hook 22 is hooked to the periphery of the opening 33 by rotation around the shaft, one The fitting frame 11 includes a vertical plate 43 that is slidable in the vertical direction, and a swinging member whose middle part is pivotally supported around the horizontal axis 29 so as to be swingable in the inward and outward directions, and whose one end part is connected to the shaft part of the locking body 14. The link 1 is provided, and the vertical plate 43
A cam 47 is provided to cause the swinging link 1 to swing by sliding the vertical plate 43 to project the hook portion 22 into the opening 33 of the locked body 15.
When the hook portion 22 protrudes, a vertical plate 43 is attached to the shaft portion of the
Rotating body 1 that converts the sliding movement of into rotation of the shaft part
A simple lock for a sliding door characterized by the provision of a lock. 2. Of a pair of sliding doors 13, 13 that overlap in the interior and exterior directions of the building and are opened and closed by movement in the sliding direction, a locking body 14 having a hook portion 22 at the outer end of the shaft portion in the interior and exterior directions is attached to the inner fitting frame 11. The outer fitting frame 12 has an opening 33 through which the hook part 14 can be inserted and removed, and the hook part 22 can be moved in and out by rotating around the shaft part. In a simple lock for a sliding door with a locking object 15 attached to the periphery of the opening 33, a vertical plate 43 that can be slid vertically is attached to the inner fitting frame 11, and a middle part that moves inward and outward around the horizontal axis 29. A vertical plate 43 is provided with a swing link 1 which is pivotably supported so as to be swingable in a direction and whose one end is connected to the shaft of the locking body 14.
A cam 47 is provided on the shaft of the locking body 14 to swing the swing link 1 by sliding the vertical plate 43 to project the hook portion 22 into the opening 3 of the locking body 15. A rotating body 16 that converts the sliding movement of the vertical plate 43 into rotation of the shaft when the hook portion 22 is protruded.
A key cylinder 79 having a rotating shaft 81 on the inner end side that rotates when the key is rotated is attached to the outer fittings frame 1.
2, and a rotating member 39 that converts the rotation of the rotating shaft 81 into sliding movement of the vertical plate 43 is attached to the inner fitting frame 11.
A simple lock for a sliding door, which is characterized by being provided with a.