JP4956306B2 - Adjustment strike - Google Patents

Description

  The present invention relates to an adjustment strike capable of adjusting the stop position of a lock bolt protruding from a door.

  The door may be, for example, a latch bolt protruding from the periphery, a combination of a latch bolt and a dead bolt, a dead bolt, a gremon lock locking rod, or a locking locking means (hereinafter referred to as “lock bolt”) appropriately combining these. ”) Is locked to a door frame or another door (hereinafter referred to as“ non-opening / closing body ”) of the double door so that the door can be closed and locked. The lock bolt protrudes from the door and enters the strike hole, which is an opening hole of the strike plate fixed to the non-opening / closing body, so that the side abuts against the strike edge of the strike hole and the door cannot be opened. To do.

In this type of locking structure, there is a gap between the lock bolt and the stop edge due to the installation of the door frame and the door and the installation / manufacturing error of the locking device. May occur. For example, Patent Document 1 discloses an adjustable strike that solves such a problem. With this adjustable strike, you can easily adjust the horizontal position of the inner case that has the engaging part (stopping edge) to the lock bolt by simply turning the adjustment screw with a tool such as a screwdriver. It is configured to be eliminated.
JP 10-102839 A

However, the strike hole adjustment mechanism employed in the conventional adjustable strike described above is provided with a tool engagement portion on the head of the adjustment screw, and the tool engagement portion is exposed in the inner case. At the time of opening, a number of screws such as screwing means (screws) for fixing the strike plate and adjusting screws are exposed, resulting in a complicated structure and a decrease in appearance.
In addition, the adjustment screw may be mischievous when the tool engaging portion (adjustment portion) is exposed when the door is opened.
Further, if the tool engaging portion is operated maliciously to cause rattling in the door, unauthorized locking can be released, and there is a concern that the crime prevention property may be lowered.
Further, since the inner case having an engaging portion with respect to the lock bolt is formed in a box shape by a sheet metal member or the like, it is difficult to sufficiently increase the locking strength of the lock bolt, which is also a factor of reducing crime prevention. became.

  The present invention has been made in view of the above circumstances, and provides an adjustment strike that has a simple structure and does not expose an adjustment screw on the surface of the strike plate or trowel when the door is opened, and can increase the locking strength of the lock bolt. Therefore, it aims at improving the appearance, preventing mischief of the adjusting section, and improving crime prevention.

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The adjustment strike according to claim 1 of the present invention has a fixing plate 25 fixed to the opening frame 11 to which the door 13 is attached, and the fixing plate 25 has a pair of fixing holes 27 into which fixing screws 23 are inserted. 28, and an entry portion 29 of the lock bolt 15 protruding from the door 13 is recessed between the pair of fixing holes 27, and the fixing holes 27 are formed in the fixing plate 25. Troyoke 17 disposed on a center line 34 passing through the center 33 in the width direction W which is the lock bolt contact direction;
A lock bolt entry hole 37 formed with the same outer shape as the fixing plate 25 and having a through hole 35 formed at the same position as the fixing hole 27 and smaller than the opening hole 31 of the entry portion 29 is the center line. 34, an adjustment plate 19 arranged eccentrically with respect to
A strike hole 43 formed with the same outer shape as the fixing plate 25 and having a mounting hole 41 formed at the same position as the fixing hole 27 and smaller than the lock bolt entry hole 37 is formed with respect to the center line 34. A strike plate 21 arranged eccentrically;
Comprising
The adjusting plate 19 or the strike plate 21 is rotated 180 degrees and fixed together with the troyoke 17 with a fixing screw 23 to displace the stop portions 37a, 37b, 43a, 43b with the lock bolt 15. And

  In this adjustment strike, the strike plate 21 is fixed to the troyoke 17 with the adjustment screw 19 sandwiched by the fixing screw 23, so that the fixing plate 25 and the adjustment plate 19 of the troyoke 17 are covered by the strike plate 21, and when the door is opened. Adjustment members such as adjustment screws will not be exposed on the surface of the strike plate 21 or inside the trolley 17. In addition, this makes it difficult to operate the adjustment unit in a malicious manner and cause the door to rattle. Furthermore, since the stopper part can be used as the end face of the lock bolt entry hole 37 and the strike hole 43, the stopper strength is increased.

  The adjustment strike according to claim 2 is characterized in that a bent piece portion 39 is formed on one of a pair of parallel stop portions 37a, 37b of the adjustment plate 19.

  In this adjustment strike, the bent piece portion 39 is arranged on the stop side and the adjustment plate 19 is attached, so that the bent piece portion 39 can come into contact with the inner wall 29a of the troyoke entry portion 29. This force can be carried on the inner wall surface of the troyo via the bent piece 39.

In the adjustment strike according to claim 3, a hollow pin 45 through which the fixing screw 23 is inserted protrudes coaxially with the mounting hole 41 on the back surface of the strike plate 21.
The fixing hole 27 of the Troyoke 17 and the through hole 35 of the adjusting plate 19 are formed with the same diameter as the outer diameter of the hollow pin 45.

  In this adjusting strike, the hollow pin 45 of the strike plate 21 is inserted into the through hole 35 of the adjusting plate 19 and the fixing hole 27 of the troyoke 17 so that the fixing plate of the strike plate 21, the adjusting plate 19 and the troyoke 17 is fixed. 25 are accommodated within the same contour via the hollow pin 45 and positioned in a stacked manner.

  According to the adjustment strike of claim 1 according to the present invention, the fixing plate, the entry portion, the troyoke having the fixing hole, the adjustment plate formed with the same outer shape as the fixing plate, and the lock bolt entry hole being eccentric from the center line, The strike plate is formed in the same outer shape as the fixed plate, and the strike hole is eccentric from the center line, and the structure is configured such that these are stacked together, and by changing the combination of the adjustment plate or the strike plate, these By fixing it together with the troyoke 180 degrees, the stop part from the center line can be displaced, so the troyoke fixing plate and adjustment plate are covered by the strike plate, and the adjustment screw does not appear, and it has a simple structure It is possible to improve the appearance and prevent the adjustment unit from being mischievous. Moreover, since it becomes difficult to operate an adjustment part maliciously and to produce a rattle in a door, crime prevention can also be improved. Furthermore, since the stopper part can be used as the end face of the lock bolt entry hole and the strike hole, the stopper strength can be increased, and the crime prevention property can also be improved.

  According to the adjustment strike according to claim 2, since the bent piece portion is formed in one of the parallel pair of stop portions of the adjustment plate, the adjustment plate having the bent piece portion arranged on the stop side is attached. In the direction, the bent piece portion can be brought into contact with the inner wall of the trowel entry portion, and the fixing strength of the adjustment plate itself or the strike plate fixed integrally with the adjustment plate against the trowel in the lock bolt contact direction can be increased. That is, the force from the lock bolt can be received by Troyoke through the bent piece.

  According to the adjustment strike of the third aspect, a hollow pin through which the fixing screw is inserted protrudes coaxially with the mounting hole on the back surface of the strike plate, and the fixing hole of the troyoke and the through hole of the adjustment plate are provided on the hollow pin. Since it is formed with the same diameter as the outer diameter, the strike plate, adjustment plate, and troyoke fixing plate are hollow by inserting the hollow pin of the strike plate into the through hole of the adjustment plate and the large diameter part of the troyoke Positioning accuracy and positional displacement strength can be improved as compared with a structure in which the pins are positioned in a stacked manner so as to be within the same contour via pins and are simply stacked by inserting a fixing screw and holding force of the fixing screw.

DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of an adjustment strike according to the present invention will be described in detail with reference to the drawings.
1 is a perspective view showing an opening frame to which an adjustment strike according to the present invention is attached together with a door, FIG. 2 is a view taken along the line AA of FIG. 1 in a door closed state, and FIG. 3 is an adjustment strike shown in FIG. FIG. 4 is an exploded perspective view of FIG.
A door 13 is attached to the opening frame 11 which is a non-opening / closing body so as to be openable and closable, and the door 13 is provided with a lock bolt 15 protruding and retracting from a peripheral edge 13a. As described above, the lock bolt 15 can be a latch bolt, a combination of a latch bolt and a dead bolt, a dead bolt, a gremon lock locking rod, or a locking locking means appropriately combining these. . In the present embodiment, the lock bolt 15 is an automatic flash bolt. The automatic flash bolt is attached to the child door of the double door, and locks the child door in conjunction with the parent door. That is, the closing of the main door is detected by a trigger bolt (not shown) provided on the child door, and the lock bolts 15 provided on the upper and lower edges of the child door, for example, protrude from the upper and lower frames of the opening frame 11 to be in the closed / locked state. To do.

  The adjustment strike 100 according to the present embodiment is provided in the opening frame 11 as a receiver which is a locking partner of the lock bolt 15, and can adjust the closed state, that is, the so-called dust size. As shown in FIG. 3, the adjustment strike 100 includes a troyoke 17, an adjustment plate 19, a strike plate 21, and a fixing screw 23.

  A rectangular fixed plate 25 is formed in the troyoke 17, and the fixed plate 25 is fixed to the opening frame 11. A pair of fixing holes 27 and 27 into which the fixing screws 23 are inserted are formed in the fixing plate 25, and the fixing holes 27 and 27 are spaced apart in the direction along the frame 28. The fixing plate 25 has a box-shaped entry portion 29 between the pair of fixing holes 27, 27, and the entry portion 29 receives the lock bolt 15 through the opening hole 31 opened in the fixing plate 25. Let it enter. The pair of fixing holes 27, 27 is on a center line 34 (see FIG. 3) passing through the center 33 in the width direction W (see FIG. 4), which is the locking bolt contact direction (perpendicular to the paper surface in FIG. 2) of the fixing plate 25. It is arranged.

  The adjustment plate 19 is formed in a rectangular shape having the same outer shape as the fixing plate 25 of the troyoke 17, and through holes 35 and 35 are formed at the same positions as the fixing holes 27 and 27. A lock bolt entry hole 37 is formed between the through holes 35, 35, and the lock bolt entry hole 37 is formed in the width direction W from the dimension W 1 in the width direction W of the opening hole 31 of the troyoke 17 as shown in FIG. The dimension W2 is small. As shown in FIG. 4, the lock bolt entry hole 37 is arranged eccentrically to the left with respect to the center line 34.

  The adjustment plate 19 has a bent piece portion 39 formed on one of the parallel stopper portions 37a and 37b (37b). The adjustment plate 19 is attached with the bent piece portion 39 arranged on the stop side, so that the bent piece portion 39 can come into contact with the inner wall 29a (see FIG. 4) of the troyoke entry portion. This force can be carried by the inner wall 29a through the bent piece 39. As a result, it is possible to increase the fixing strength of the adjusting plate 19 itself or the strike plate 21 fixed integrally with the adjusting plate 19 with respect to the trowel 17 in the lock bolt contact direction (right direction in the arrangement of FIG. 4). That is, the force from the lock bolt 15 can be received by the troyoke 17 via the bent piece portion 39.

  The strike plate 21 is formed in a rectangular shape having the same outer shape as the fixed plate 25, and mounting holes 41 and 41 are formed at the same positions as the fixed holes 27 and 27. A strike hole 43 is formed between the mounting holes 41, 41. The strike hole 43 has a dimension in the width direction W that is larger than a dimension W2 in the width direction W of the lock bolt entry hole 37 of the adjustment plate 19, as shown in FIG. W3 is formed small. The strike hole 43 is also a pair of stop portions 43a and 43b that are parallel on both sides in the width direction. As shown in FIG. 4, the strike hole 43 is arranged eccentrically to the right with respect to the center line 34.

  In the present embodiment, as shown in FIG. 2, a hollow pin 45 through which the fixing screws 23 and 23 are inserted is provided on the back surface of the strike plate 21 so as to be coaxial with the mounting holes 41 and 41. On the other hand, the fixing holes 27, 27 of the trolley 17 and the through holes 35, 35 of the adjustment plate 19 are formed with the same diameter as the outer diameter of the hollow pin 45.

  Therefore, the strike plate 21, the adjustment plate 19, and the troyoke 17 are inserted by inserting the hollow pins 45, 45 of the strike plate 21 into the through holes 35, 35 of the adjustment plate 19 and the fixing holes 27, 27 of the troyoke 17. The fixing plates 25 and 25 are accommodated in the same contour via the hollow pins 45 and 45 and positioned in a laminated form. As a result, compared to a structure in which the fixing screws 23 and 23 are simply inserted and laminated only by the clamping force of the fixing screws 23 and 23, the positioning accuracy and the positional deviation strength of the strike plate 21, the adjustment plate 19 and the trowel 17 can be increased. Can be easily tightened with screws.

  In the adjustment strike 100 in which each member is formed as described above, the adjustment plate 19 or the strike plate 21 is rotated 180 degrees (upside down) without changing the front and back, and fixed together with the troyoke 17 with the fixing screws 23 and 23. Therefore, the stopper part with the lock bolt 15 can be displaced.

  In this adjustment strike 100, the strike plate 21 is fixed to the troyoke 17 with the adjustment screws 19, sandwiching the adjustment plate 19, so that the fixing plate 25 and the adjustment plate 19 of the troyoke 17 are covered by the strike plate 21 plate. When the door is opened, the adjusting member such as an adjusting screw does not appear on the surface of the strike plate 21 or in the trolley 17. Further, it becomes difficult to cause the door 13 to rattle by operating the adjustment unit in a malicious manner. Furthermore, since the stopper part can be used as the end face (stop part 37a, 37b) of the lock bolt entry hole 37 and the end face (stop part 43a, 43b) of the strike hole 43, the stopper strength is increased.

Next, a method for adjusting the adjustment strike configured as described above will be described.
FIG. 5 is an operation explanatory view in which the front view of the adjustment strike in which the stopper portions are combined at the reference position is shown in (a) and the cross section thereof is shown in (b).
The adjustment strike 100 uses the stop position in a state where the adjustment plate 19 and the strike plate 21 are fixed integrally with the troyoke 17 in the direction shown in FIG. In this case, as shown in FIG. 5, the bent piece part 39 and the stop part 43a of the strike plate 21 become the stop position.

FIG. 6 is an operation explanatory view in which the front view of the adjustment strike combined at a position where the stopper part is displaced by −2 mm to the right and +2 mm to the left is shown in FIG.
As described above, the adjustment strike 100 rotates the adjustment plate 19 or the strike plate 21 180 degrees without changing the front and back, and is fixed together with the trowel 17 with the fixing screws 23 and 23, so that the adjustment strike 19 is stopped against the lock bolt 15. Displace the part. That is, as shown in FIG. 6, when only the strike plate 21 is rotated 180 degrees from the state of FIG. 5 and fixed, the stop portion 43a of the strike hole 43 is arranged on the right side, and the stop portions 43a and 43b are It becomes a stop position. As a result, the stopper part can be displaced by, for example, -2 mm to the right and +2 mm to the left.

FIG. 7 is an operation explanatory view in which the front view of the adjustment strike combined at the position where the stopper part is displaced +2 mm to the right is shown in (a), and the cross section is shown in (b).
Further, when only the adjustment plate 19 is rotated 180 degrees and fixed with respect to the reference position shown in FIG. 5, the stop portion 37a of the lock bolt entry hole 37 of the adjustment plate 19 is arranged on the right side and the stop portion. 43b, and as a result, the stop portions 43a and 43b of the strike plate 21 become the stop positions. Thereby, the stop part can be displaced by +2 mm to the right, for example.

  Therefore, according to the adjustment strike 100 according to the above embodiment, the troyo 17 having the fixing plate 25, the entry portion 29, the fixing holes 27 and 27, and the lock bolt entry hole 37 formed with the same outer shape as the fixing plate 25 are eccentric. The adjusting plate 19 and the strike plate 21 having the same outer shape as the fixed plate 25 and having the eccentric strike hole 43 are provided, and the adjusting plate 19 or the strike plate 21 is fixed together with the troyoke 17 that is replaced by 180 degrees. 37a, 37b, the stoppers 43a, 43b, and the bent piece 39 can be displaced with respect to the position of the strike hole 43. That is, in the above example, the reference position shown in FIG. 6 and ± 2 mm shown in FIGS. Since it is configured to allow a total of three stages of displacement, the fixing plate 25 and the adjusting plate 19 of the troyoke 17 are covered with the strike plate 21, and the adjusting screw cannot be exposed, and the structure is simple. , It is possible to improve the appearance, it is possible to prevent the adjustment portion is mischief.

  In addition, since it is difficult to cause the door 13 to rattle by operating the adjustment unit in a malicious manner, crime prevention can be improved. Furthermore, since the stop portions 37a and 37b, the stop portions 43a and 43b, and the bent piece portion 39 can be used as end faces of the lock bolt entry hole 37 and the strike hole 43, the stop strength can be increased. This also improves crime prevention.

  In addition, since the adjustment strike according to the present invention is configured to combine the plate members of the adjustment plate 19 and the strike plate 21, by preparing these with a plurality of types of dimensional differences based on the center line 34 by the fixing hole 27. Furthermore, it is possible to cope with a plurality of different adjustment dimensions.

It is the perspective view which represented the opening frame with which the adjustment strike which concerns on this invention was attached with the door. It is an AA arrow line view of FIG. 1 of a door closed state. It is a disassembled perspective view of the adjustment strike shown in FIG. It is a BB arrow line view of FIG. It is an operation explanatory view in which (a) shows a front view of an adjustment strike in which a stop portion is combined at a reference position, and (b) shows a cross section thereof. It is an operation explanatory view in which (a) shows the front view of the adjustment strike combined at the position where the stopper part is displaced by -2 mm to the right and +2 mm to the left, and (b) shows the cross section. It is action explanatory drawing which represented the front view of the adjustment strike combined at the position which the impact part displaced + 2mm to the right (a), and represented the cross section in (b).

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Opening frame 13 ... Door 15 ... Lock bolt 17 ... Troyoke 19 ... Adjustment board 21 ... Strike board 23 ... Fixing screw 25 ... Fixing plate 27 ... Fixing hole 28 ... Frame 29 ... Entrance part 31 ... Opening hole 33 of entrance part ... Center in the width direction 34 ... Center line 35 ... Through hole 37 ... Lock bolt entry hole 37a, 37b, 43a, 43b ... Stop part 39 ... Bending piece part 41 ... Mounting hole 43 ... Strike hole 45 ... Hollow pin 100 ... Adjustment strike

Claims (3)

The fixing plate has a fixing plate fixed to an opening frame to which the door is attached, and a pair of fixing holes into which fixing screws are inserted are formed in the fixing plate so as to be spaced apart from each other along the frame and protrude from the door. A trolley that has a lock bolt indented between the pair of fixing holes, and the fixing hole is disposed on a center line passing through the center of the fixing plate in the width direction that is the locking bolt contact direction;
A lock bolt entry hole formed with the same outer shape as the fixing plate and having a through hole at the same position as the fixing hole and smaller than the opening hole of the entry portion is eccentric with respect to the center line. An adjustment plate arranged
A strike hole formed with the same outer shape as the fixing plate and having a mounting hole formed at the same position as the fixing hole and smaller than the lock bolt entry hole is arranged eccentric to the center line. A strike plate,
Comprising
An adjustment strike, wherein the adjustment plate or the strike plate is rotated 180 degrees and fixed together with the trowel by a fixing screw to displace a stop portion with the lock bolt.   The adjustment strike according to claim 1, wherein a bent piece portion is formed on one of a pair of parallel stop portions of the adjustment plate. A hollow pin through which the fixing screw is inserted protrudes coaxially with the mounting hole on the back surface of the strike plate,
The adjustment strike according to claim 1 or 2, wherein the fixing hole of the troyoke and the through hole of the adjustment plate are formed to have the same diameter as the outer diameter of the hollow pin.

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