JPH0322453Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a surface lock that is attached to the side of a door, etc.

Conventionally, in this type of surface lock, as the operating part for the latch operating mechanism changes to a knob type, lever handle type, or thumb piece handle type, a surface lock suitable for each type is manufactured separately. was.

Therefore, the creators of this idea focused on the fact that each method had many common parts.
By replacing or adding latch hubs, sliders, etc. specific to each type, the company devised the ability to convert to other types of surface locks, thereby providing a surface lock that can be converted to multiple types of locks with one lock. This is what I am trying to do.

In other words, the latch hub, the cam facing the latch hub, and the slider slidably provided on the case lid can be replaced or added to the lock mechanism to provide a different type (method) of surface attachment. It's trying to get the lock.

An embodiment of this invention will be described below with reference to FIGS. 1 to 14.

1 is a lock body, and this lock body 1 includes a lock case 2 consisting of an outer case 3 and an inner case 4, a case lid 5, and a latch bolt built into an internal space 6 formed by the case lid 5 and the inner case 4. 8 and a locking mechanism 7 such as a dead bolt 9 and a latch hub.

The inner case 4 is press-fitted into the outer case 3, and an auxiliary plate 10 is provided on both the inner and outer cases 4, 3.
Screw insertion holes 11, 11 for mounting, screw insertion holes 15 for connecting the screw column 14 of the mating seat 13 to be installed on the opposite side of the door 12, and a through hole 17 for fitting the hub axle 16 to which the latch hub is attached are formed. It has been done.

The case lid 5 has a notch hole 18 bored in the left side wall of the inner case 4 and a protrusion 19 on the side of the case lid 5.
... 19, and in particular, the protruding parts 19, 19 at both the upper and lower ends are supported by the inwardly stepped parts 18a, 18a of the edges of the notch holes 18, 18 at both the upper and lower ends,
Screw columns 20, 20 erected on the right corner of the inner case 4
The case lid 5 is also supported on the top surface of the case lid 5, and is fixed with screws 21. This case lid 5 has a screw insertion hole 22 communicating with the auxiliary plate mounting screw insertion hole 11 of the lock case 2, and an introduction hole for inserting the guide tube 23, which communicates with the screw insertion hole 15 for connecting the screw column 14. 24, a hole 25 for fitting the hub axle 16, and a cylinder 26 into which the lower end of the cylinder outer cylinder is fitted and prevented from coming off with a stopper. 27 is a screw which is screwed into the threaded column 28 with a washer 29 fitted thereon.

The auxiliary plate 10 has an insertion hole 30 for the cylinder 26.
and a screw that is inserted horizontally into the door through the operating shaft insertion hole 33 of the knob 31, lever handle 32, etc., the cylinder insertion hole 34 of the door 12, and the operating shaft insertion hole 35 of the knob 31, etc. A locking piece 36 with a hole 37, an insertion hole 38 for the screw post 14 formed in the mating seat 13, and a projecting piece 3 bent inward from one side edge.
9 is formed.

After installing the lock mechanism 7 in the internal space 6 of the lock case 2 consisting of both the inner and outer cases 4 and 3, the case lid 5 is assembled, and the case lid 5 is secured with screws 2 at three locations.
1, 21, and 27 to form the lock body 1. on the other hand,
The auxiliary plate 10 engages its locking pieces 36, 36 into the cylinder insertion hole 34 and operation shaft insertion hole 35 of the door 12 from the indoor side, and inserts the mating seat 1 from the opposite side of the door 12.
The screw columns 14 and 14 of No. 3 are inserted into the screw column insertion holes 34 a and 35 a that are connected to the cylinder insertion hole 34 and the operating shaft insertion hole 35 of the door 12 and the screw column insertion holes 38 and 38 of the auxiliary plate 10 . At this time, the auxiliary plate 10
The locking piece 36 and the threaded column 14 prevent the screw from falling off. In this state, the cylinder 26 of the lock body 1 described above is inserted into the cylinder insertion holes 30, 34, 40 of the auxiliary plate 10, the door 12, and the seat 13, and the screw columns 14, 14 of the seat 13 are inserted into the lock body 1. It is inserted into guide tubes 23, 23 built into the. At this time, the lock body 1 also does not fall off. Therefore, the screws 42 are inserted into the auxiliary plate mounting screw insertion holes 11 of the lock case 2, the screw insertion holes 22 of the case lid 5, and the screw insertion holes 12a formed on the lock mounting surface side of the door 12. It is screwed into the screw hole 37 of the locking piece 36. At the same time, the screw 43 is screwed into the female screw portion formed at the tip of the threaded column 14 of the mating seat 13 through the screw insertion hole 15 of the lock case 2. In this way, the lock body 1 and the mating seat 13 are easily and firmly connected with the door 12 sandwiched therebetween. In addition,
Threaded column insertion holes 34a, 3 formed in the door 12 described above
5a and the screw insertion holes 12a, 12a of the door 12, which are aligned with the screw holes 37 of the auxiliary plate 10, are
The lock case 2 and the auxiliary plate 10, that is, the mounting position of the lock body 1 relative to the door 12 can be shifted.

Traditionally, this type of surface lock has been installed on the inside surface of the door.
Tap holes are formed in the four corners of the lock case, and screws are inserted into the tap holes from the outside and screwed directly to the inside surface of the door, as well as to the mating seats that are attached to the corresponding positions on the outside surface of the door. It was fixed with screws. Therefore, the work of screwing in these many places is troublesome and time-consuming, and there are also drawbacks such as the need to form many tap holes in the door.

However, according to the above configuration of the present invention, these drawbacks are not only eliminated, but also the lock body and the mating seat can be attached to the door at the same time.
Installation is extremely easy. In addition, the number of notched holes cut into the door itself is small, and the lock body and auxiliary plate are sandwiched between the seats, rather than the lock body being screwed onto the door, resulting in a strong surface. It has the advantage of being able to provide locks.

The guide tubes 23 consist of a pair of identically shaped guide tubes, and are inserted into the guide tube introduction hole 24 of the case lid 5, with one end surface attached to the edge of the screw insertion hole 15 of the lock case 2, and the other end surface attached to the auxiliary plate. 10, respectively. The lower portions of both guide tubes 23 also serve as stoppers for the latch hubs 50 and 54. In other words, the spring receiving portion 5 of the latch hub 50, 54
2, and insert the end of the latch hub spring 53 into the case lid 5.

According to this configuration, one of the guide tubes 23 for inserting the threaded column 14 of the mating seat 13 also serves as a stopper for the latch hub spring 53 (latch hubs 50, 54), so there is no need to take the trouble of using a stopper for the hub spring as in conventional products. There is no need to provide one, and the number of parts can be reduced, and the latch hub spring 53 can be easily attached to the latch hubs 50 and 54.

In this embodiment, as shown in FIG.
6 to prevent it from coming off from the case lid 5, and to support the auxiliary plate 10 and the inner case 4 at both ends of the guide cylinder 23, while the U-shaped plate 5 is installed inside the lock case 2.
7 is provided, and the upper and lower side walls 57 of this U-shaped plate 57
By slidably providing a lock lever such as a latch bolt 8 between a and 57b, the lock case is prevented from bending, the lock mechanism is protected, and malfunctions are prevented.

In addition, the guide tube 23 serves as a guide for the screw post 14 and the screw 43 when the lock is installed, so that the lock can be installed easily.

Further, the auxiliary plate 10 supports the protruding piece 39 protruding from the side facing the case lid 5 against deformation of the case lid 5, and also supports the top surface of the guide tube 23,
and the bent portion 59 of the flange of the cylinder cover 58.
But I support it.

Note that a notch 60 is formed in a part of the guide tube introduction hole 24 of the case lid 5.

Through-holes 17, 17 for fitting the hub shaft in the lock case 2
and the hub shaft fitting hole 25 of the case lid 5,
A second latch hub 54 is fitted. This second latch hub 54 has an inwardly protruding portion 5 of the hub plate portion 54a formed in a groove 64 formed on one end side of the hub shaft 16.
4b is fitted.

Then, the lock body 1 and the other party's seat 13 are connected to the door 12.
After attaching it to the operating shaft hole 6 of the hub shaft 16,
3, the operating shaft 61 with the outdoor knob 31 attached to the outdoor side is inserted, and the operating shaft 61 is fixed with a stop pin from a part of the outer circumference of the hub shaft 16, and the operating shaft 61 is attached to the indoor side of the hub shaft 16. The end portion is fitted into the indoor knob 31a and fixed with screws 43.

The second latch hub 54 is connected to the latch bolt 8
an engaging portion 51 that engages with the tail end engaging portion 8a of the latch bolt 8 and slides the latch bolt 8 backward; and a latch hub spring 53.
and a push-up part 55 that engages with the lower engagement part 92 of the second slider 90 and pushes up the slider 90.

On the other hand, at a position facing the second latch hub 54 with the latch bolt 8 in between, there is an engaging part 67 that engages with the tail end engaging part 8a of the latch bolt 8 to cause the latch bolt 8 to slide backward. slider 9
A cam 66 having an engagement receiving part 68 that engages with an upper engagement part 91 of 0 is attached to the threaded column 28 with a screw 27.

Furthermore, the upper engaging part 91 or the lower engaging part 92 of the second slider 90 is fitted into the guide hole 5a or the sliding notch 5b of the case lid 5 so as to be movable up and down.

Thus, according to the above configuration, a surface-mounted lock having knobs on both the interior and exterior sides is provided.

To explain the operation in this case, in FIG. 6, the second latch hub 54 is
When the latch hub 54 is rotated counterclockwise (in the direction of the one-dot chain line), the push-up portion 55 of the latch hub 54 moves the lower engagement portion 92 of the second slider 90 upward, and the upper engagement portion 9
1 and the engagement receiving part 68, the engagement part 67 of the cam 66 slides the tail end engagement part 8a of the latch bolt 8 backward, causing the latch bolt 8 to retreat. vice versa,
When the knob operating portion is rotated clockwise (in the direction of the two-dot chain line), the engaging portion 51 of the second latch hub 54 is rotated in the same direction, causing the tail end engaging portion 8a of the latch bolt 8 to slide backward. The result is the same as above. In other words,
In this case, the lock can be unlocked by rotating in both forward and reverse directions.

Note that both upper and lower engaging portions 9 of the second slider 90
1 and 92, as shown in FIG. 2 slider 90
It is preferable to move the slider 90 to the horizontal direction, engage the upper engaging portion 91 into the guide hole 5a, and then move the slider 90 to the vertical direction as shown.

9 to 12 show a surface-mounted lock in which a lever handle 32a is attached to the indoor side and a thumb piece handle 80 is attached to the outdoor side.

In this latch hub, the operating shaft 61 is inserted in advance into the operating shaft hole 63 of the hub shaft 16 formed in the same manner as in the above case, and the tail end engaging portion 8a of the latch bolt 8 is inserted into the split groove 64 of the hub shaft 16. An inward protrusion 50b of the first latch hub 50 having an engaging portion 51 that locks and slides the latch bolt 8 backward is fitted. Further, the first
A cam 66 identical to that described above is mounted at a position facing the latch hub 50. Further, the case lid 5 is provided with a first thumb piece that rotates the engaging portion 67 of the cam 66 by engaging the thumb piece 81 of the thumb piece handle 80 with the lower engaging portion 73 and moving upward, thereby causing the latch bolt 8 to slide backward. The feature is that a slider 70 is attached.

In this case, the first slider 70 engages the upper engaging portion 71 into the guide hole 5a of the case lid 5, and allows the sliding protrusion 74 protruding from the lower right side to freely slide into the guide hole 4a of the inner case 4. The guide plate 75 on the left side of the lower part is connected to the lower wall of the U-shaped plate 57. 57b as a guide. Further, the thumb piece handle 80 replaces the aforementioned counterpart seat 13, and is provided with threaded columns 14 on both the upper and lower parts, and has a handle part 82 attached below it, and the lower part of this handle part 82. A screw column 83 is provided in the door 12, and the screw column 83 is inserted into the screw column insertion hole 84 of the door 12.
It is inserted into the room and fixed with screws 85 from the indoor side.

13 and 14 show a surface-mounted lock with lever handles 32a, 32 attached to both the indoor side and the outdoor side.

This one includes the cam 66 shown in each of the above embodiments,
The same latch hub 50 as shown in FIGS. 9 to 12 is installed inside the lock body without providing the first and second sliders 70 and 90, and a lever handle is inserted into the operating shaft hole 63 of the latch hub 50. The operating shaft 61 of the handle is inserted, and the indoor lever handle 32 is attached to at least one end of both ends of the operating shaft 61.
A and/or an outdoor lever handle 32 is attached.

In this case, the lock is unlocked only when the lever handles 32, 32a are grasped and rotated in a certain direction (clockwise in FIG. 14). In addition, lever handle 3
Knobs 31, 31a may be provided instead of 2, 32a.

Note that the structures of the first and second latch hubs 50 and 54 are not limited to the shapes shown in the drawings, and can be modified as appropriate, and in the embodiment, both latch hubs 50 and 54 have hub plates 50a and 54a that can be attached and detached from the hub shaft. Although it is possible to form it freely, it can also be formed integrally. moreover,
A single latch hub can be used for different types of surface locks.

In the embodiment, a dead bolt 9 is attached as a locking lever to have the function of final locking, but the dead bolt 8 is also used as a locking lever.
It can also be used as a single latch lock.

The operating section consisting of a knob, lever handle, and thumb piece is not limited to those of the above embodiments, and the design can be changed as appropriate.

This invention consists of the above-mentioned structure, and the first latch hub, the second latch hub, the cam, the first slider, and the second slider among the lock mechanisms are replaced or added. The other components are commonly used configurations,
It is possible to provide many different types of surface locks.

Therefore, production efficiency is improved and a plurality of types of inexpensive surface-mounted tablets can be obtained.

[Brief explanation of the drawing]

The figures all show an embodiment of this invention; Fig. 1 is a perspective view of the installed state, Fig. 2 is an enlarged front view of Fig. 1, Fig. 3 is an exploded perspective view of Fig. 1, and Fig. 4 is an exploded perspective view of Fig. 1. The figure is an exploded perspective view of the lock case, U-shaped plate, and case lid.
Figure 5 is an exploded perspective view showing how the guide tube is installed;
Fig. 6 is a partially cutaway side view of the lock body, Fig. 7 is a perspective view of the second slider, Fig. 8 is an exploded perspective view of the second latch hub and knob, and Fig. 9 is a schematic diagram of other assembled states. 10 is an exploded perspective view of the main part of FIG. 9, FIG. 11 is a partially cutaway side view of the lock body of FIG. 10, and FIG. 12 is a diagram of the first latch hub and lever handle. FIG. 13 is an exploded perspective view, FIG. 13 is a front view of main parts in another assembled state, and FIG. 14 is a partially cutaway side view of FIG. 13. DESCRIPTION OF SYMBOLS 1... Lock body, 2... Lock case, 3... Outer case, 4... Inner case, 5... Case lid, 7... Lock mechanism, 8... Latch bolt, 8a... Tail end engaging portion, 10...Auxiliary plate, 13...Seat, 14...Screw column, 20...Screw column, 23...Guide tube, 28...
...Screw column, 31, 31a...Knob, 32, 32a
... Lever handle, 36 ... Locking piece, 37 ...
Screw hole, 38...Threaded column insertion hole, 42, 43...
Screw, 50...First latch hub, 51...Engaging portion, 52...Spring receiving portion, 53...Latch hub spring, 54...Second latch hub, 55...Pushing up portion, 57...U-shape Plate, 61... Operating axis, 65
... Latch spring, 66 ... Cam, 67 ... Engagement section, 68 ... Engagement receiving section, 70 ... First slider, 71, 91 ... Upper engagement section, 73, 92 ...
Lower engaging portion, 80...Thumb piece handle, 81
...Thumb piece, 90...Second slider.

Claims (1)

[Claims for Utility Model Registration] (1) (A) A first latch hub 50 having an engaging portion 51 that engages with the tail end engaging portion 8a of the latch bolt 8 and retracts the latch bolt 8; The operating shaft 61 is fitted into the operating shaft hole 63 of the operating shaft 61, and has lever handles 32, 32a or knobs 31, 31a attached to at least one of both ends of the operating shaft 61; the first latch hub 50; and an engaging part 67 that is provided at a position facing the first latch hub 50 with the latch bolt 8 in between and engages with the tail end engaging part 8a of the latch bolt 8 to move the latch bolt 8 backward. , a cam 66 having an engagement receiving portion 68 that engages with the upper engagement portion 71 of the first slider 70; and a thumb piece 81 of the thumb piece handle 80.
a first slider 70 that rotates the engaging portion 67 of the cam 66 and retreats the latch bolt 8 by engaging the lower engaging portion 73 and moving upward; and the thumb piece handle 80 attached to the outside of the door 12. (C) an engaging portion 51 that engages with the tail end engaging portion 8a of the latch bolt 8 to move the latch bolt 8 back; and an engaging portion 51 that engages with the lower engaging portion 92 of the second slider 90 to move the slider 90 A second latch hub 54 is provided at a position facing the second latch hub 54 with the latch bolt 8 in between, and is engaged with the tail end engaging portion 8a of the latch bolt 8 to a cam 66 having the same structure as described in (B) above, which has an engaging part 67 for retracting the second slider 8 and an engaging receiving part 68 for engaging with the upper engaging part 91 of the second slider 90; and a second latch hub. The second slider 90 is provided vertically movably between the push-up portion 55 of the cam 54 and the engagement receiving portion 68 of the cam 66, and the operating shaft 61 is inserted into the operating shaft hole 63 of the second latch hub 54, and the operating shaft 61 is inserted into the operating shaft hole 63 of the second latch hub 54. Knobs 31, 31 attached to at least one of both ends of the shaft 61
(D) A surface-mounted lock characterized in that it has a lever handle 32, 32a, and is configured such that any one of (A), (B), and (C) above can be selectively used. (2) The internal space 6 formed by the lock case 2 and the case lid 5 is provided with a guide tube 23 through which the screw column 14 fixed to the mating seat 13 is inserted. Surface-mounted lock described in ).