JP3491785B2 - Striker for sliding door lock - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a striker that is embedded and fixed in a door frame corresponding to a lock provided at a closed end of a sliding door. More specifically, the present invention relates to a striker in which a receiving frame for engaging and capturing a bolt body of a lock can be adjusted in the vertical, horizontal, and front-back directions.

[0002]

A sickle lock is a typical example of a lock provided at the closed end of a sliding door. This kind of sickle lock is equipped with a sickle-shaped hook bolt literally, and the hook bolt engages with a striker buried in the door frame side to hold the sliding door in a closed state. In many cases, doors and door frames are pre-fabricated in the factory and are only assembled at the construction site.
Therefore, when the door and the door frame are assembled together, the mounting positions of the sickle lock and the striker vary, and the sliding door may not be properly closed and fixed due to variations in the shape and dimensions of the door frame mounting portion. For example, in the locked state, a small gap may occur between the door and the door frame, or the hook bolt may be caught on the striker so that the hook bolt may come off from the striker with a slight shock or vibration. . When the sliding door is suspended by the runner and is adjusted in the vertical direction with respect to the door frame, the striker also needs to be vertically adjusted.

An object of the present invention is to adjust the position of the receiving frame for engaging and capturing the bolt body of the lock in the up / down / left / right and front / rear directions with the striker attached to the door frame, and thus the sliding door can be properly adjusted. (EN) It is possible to provide a striker for a sliding door lock, which can be kept in a closed state, and can easily adjust and absorb a distortion of a door or a door frame due to use, if necessary. An object of the present invention is to provide a striker for a sliding door lock that can easily and surely perform the position adjustment work of the receiving frame and can quickly perform the adjustment work at the construction site with little labor. Another object of the present invention is to simplify the structure of a striker equipped with a receiving frame whose position can be adjusted in the vertical / horizontal direction and the front / rear direction, and to reduce the cost required for its manufacture.

[0004]

The striker of the present invention comprises a mounting hole 11 of the door frame 1 facing the closed end of the door panel 2.
Be attached to. This striker is attached to the mounting hole 11 so that its position can be adjusted in the left-right direction, and is fixed to the door frame 1 with a first screw 22, a cover 13 that covers an outer surface opening of the main frame 12, and a main frame. An inner frame 14 that is arranged inside the frame 12 so as to be positionally adjustable in the vertical direction, and is fastened and fixed to the main frame 12 with a second screw 28 at an arbitrary adjustment position.
And a receiving frame 15 which is disposed in the interior of the casing so as to be positionally adjustable in the front-rear direction and fixed in position with respect to the inner frame 14 by the third screw 36 at an arbitrary adjusting position. An opening / closing port 33 for receiving the bolt body 8a of the lock 8 mounted on the door panel 2 is provided in the surface wall of the receiving frame 15 facing the opening 21 of the cover 13, and the bolt body 8a is attached to the inner edge of the opening / leaving port 33. A lock portion 34 for catching and capturing is provided.

Specifically, the upper and lower mounting walls 17 of the main frame 12
Horizontally elongated adjustment holes 18 are formed in the cover 1 from the outer surface side.
The first screw 22 inserted through the screw 3 is screwed into the door frame 1 through the adjustment hole 18. A vertically elongated adjustment hole 26 is formed in an inner back wall 25 of the inner frame 14, and a second screw 28 is screwed into the female screw body 19 provided in the main frame 2 through the adjustment hole 26. Inner frame 14
The screw boss 27 is projected on the side facing the receiving frame 15 and the third screw 36 inserted into the receiving frame 15 from the outer surface side is attached to the screw boss 2.
Screw in 7. Between the receiving frame 15 and the inner frame 14, the receiving frame 15
A spring 37 is arranged to urge and move toward the cover 13.

The operating portion of the second screw 28 is arranged so as to be operable from the outside of the striker through the opening 21 of the cover 13 and the opening / closing port 33 of the receiving frame 15. The operation portion of the third screw 36 is arranged so as to be operable from the outside of the striker through the opening 21. A sickle lock 8 is attached to the closed end of the door panel 2, and a lock portion 34 for engaging and catching the hook bolt 8a of the sickle lock 8 is provided at the lower edge of the exit / exit opening 33, and a disc screw is provided below the lock portion 34. The third screw 36 consisting of is screwed in.

[0007]

2. Description of the Related Art In a striker for a swinging door, it is necessary to mount a strike box on a door frame so that the position of the strike box can be adjusted vertically and horizontally.
It is known in Japanese Patent Laid-Open Publication No. Hei 3-129072.
Further, it is known from Japanese Patent Application Laid-Open No. 7-11819 that a plurality of frame members are fastened vertically and horizontally so that the dead bolts can be attached to the door frame.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 2, reference numeral 1 is a door frame and 2 is a door panel. The door panel 2 is suspended via runners 3 provided on both sides of its upper portion, and can be opened and closed by pulling along an upper rail 4 that guides the runner 3 to travel. A constant force spring unit 5 is arranged above the door frame 1 on the closed end side, and by connecting the spring end to a runner 3, the entire door panel 2 is biased to move freely. Inside the open end side of the upper rail 4, a stopper 6 for holding the runner 3 in an open state against the tension of the spring unit 5 is provided. A floor contact mechanism 7 is provided on the inner surface of the lower portion of the door panel 2 to prevent the sound and light from leaking by contacting the floor surface in the closed state. In order to fix and hold the door panel 2 in the closed position, a sickle lock (lock) 8 is provided on the closed end side, and a striker is provided on the door frame 1. Reference numeral 9 is an operation handle for unlocking the sickle lock 8 and further opening the door panel 2.

In FIG. 3, the striker has a main frame 1 mounted in a mounting hole 11 of a door frame 1 so as to be adjustable in the left-right direction.
2, a cover 13 that covers the outer opening of the main frame 12, and the main frame 1
The inner frame 14 is vertically adjustable inside the inner frame 2, and the receiving frame 15 is vertically adjustable inside the inner frame 14. Main frame 12, cover 13, inner frame 14, receiving frame 15
Are made of press-molded products, and are formed by using stainless steel plates or steel plates as raw materials.

The main frame 12 is a base frame wall 1 which is bent in a U shape.
Mounting walls 17 are integrally formed by bending the upper and lower sides of 6, and the width dimension thereof is set smaller than the width dimension of the mounting hole 11. Horizontally elongated adjustment holes 18 are provided in the upper and lower mounting walls 17, respectively. A burring hole is provided near the upper portion of the inner back wall of the base frame wall 16, and the inner surface of the burring hole is threaded to form a female screw body 19. Further, a vertically elongated guide groove 20 is provided in a penetrating manner toward the lower part of the inner end wall. The cover 13 is composed of a vertically long flat plate having the same width as that of the mounting hole 11, a vertically elongated rectangular opening 21 is provided in the center of the plate surface in a penetrating manner, and insertion holes 23 for the first screw 22 are provided near the upper and lower ends. .

The inner frame 14 is made up of a box-shaped case that opens toward the cover 13, and the vertical dimension thereof is set smaller than the vertical dimension of the base frame wall 16. A vertically elongated adjustment hole 26 is provided in the upper part of the inner back wall 25 of the inner frame 14 in a penetrating manner, and a screw boss 27 is attached to the lower part of the inner back wall 25. After joining the inner back wall 25 of the inner frame 14 to the inner back wall of the base frame wall 16, as shown in FIG.
The inner end of the screw boss 27 is inserted into the guide groove 20 and the inserted end is caulked and fixed via a washer, so that the inner frame 14 is integrated with the main frame 12. In this integrated state, the inner frame 14 can move up and down within the vertical range of the guide groove 20, and by screwing the second screw 28 into the female screw body 19 through the adjusting hole 26, the inner frame 14 can be moved at any adjusting position. Can be fixed.

The receiving frame 15 has a surface wall 30 which is slidably mounted in the inside of the inner frame 14, and has surface walls 3 at the upper and lower ends thereof.
Stabilizing walls 31 and 32 that prevent 0 from tilting forward and backward are bent inward and outward, respectively. The upper half of the face wall 30 has a through hole 33 for receiving the hook bolt (bolt body) 8a of the sickle lock 8 formed in a penetrating manner, and the lower edge thereof serves as a lock portion 34. The entrance / exit 33 is formed in a trapezoidal shape. An insertion hole 35 formed of a burring hole is provided below the lock portion 34 in a penetrating manner. Insert the third screw 36 into the insertion hole 35,
By adjusting the amount of screwing into the screw boss 27 described above, the front-back position of the receiving frame 15 can be adjusted. In order to prevent the third screw 36 from rotating, a compression coil type spring 37 is interposed between the protruding base end of the screw boss 27 and the face wall 30. This spring 37 moves the receiving frame 15 following the third screw 36 when the third screw 36 is operated toward the loosening side, and the hook bolt 8a locks the lock portion 34 as shown in FIG.
It also helps to mitigate the impact when you hit the.

The first to third screws 22, 28 and 36 are
Each of them is made of a stainless steel screw, and among them, the first screw 22 and the third screw 36, which do not like to project the operation head, are flat screws, and the second screw 28 is a pan-head screw.

In FIG. 1, the sickle lock 8 is provided with a trigger 39 that constantly projects from the end wall of the lock case. When the trigger 39 contacts the outer surface of the cover 13 and is pushed into the lock case, The hook bolt 8a, which has been held by the trigger 39 until then, is switched to the locked state, and is projected while swinging out of the lock case to engage with the lock portion 34. When the door panel 2 is opened and operated with the operation handle 9,
The hook bolt 8a is again held on standby by the trigger 39. The reason why the hook bolt 8a is held on standby in the lock case with the door panel 2 opened in this way is to prevent a part of clothes from being caught on the hook bolt 8a or collision with another object. .

Next, an adjustment procedure for mounting the striker on the door frame 1 will be described. A sickle lock 8 is incorporated in the door panel 2 in advance, and the height of the door panel 2 with respect to the door frame 1 is adjusted by the runner 3. deep. Main frame 12, inner frame 14, and receiving frame 1
The three of 5 are assembled at the time of shipping. The assembly is fitted into the mounting hole 11 of the door frame 1, and the left and right positions of the main frame 12 are adjusted so that the center of the opening / closing port 33 coincides with the thickness center of the hook bolt 8a. Next, the cover 13 is put on the outer surface of the main frame 12, and the first screw 22 is screwed into the door frame 1 through the insertion hole 23 and the adjustment hole 18 to fix the cover 13 and the main frame 12.

The inner frame 14 can be moved up and down by loosening the second screw 28, and further the third frame 36 is loosened to move the receiving frame 15 into the inner frame 1.
It is located near the opening of No. 4. In this state, hook bolt 8
a is engaged with the lock portion 34 to confirm the vertical position of the lock portion 34, and the upper edge of the engagement is the engagement edge 4 of the hook bolt 8a.
After adjusting and moving the inner frame 14 up and down so that it is at the same height as 0 or slightly below, the second screw 28 is tightened to fix the inner frame 14.

By the above adjustment, the left and right positions and the upper and lower positions of the lock portion 34 are optimized. However, since the receiving frame 15 is located near the opening of the inner frame 14, the hook bolt 8
A gap is created between the door frame 1 and the door panel 2 in the state where a is engaged with the lock portion 34. The engagement state of the hook bolt 8a with respect to the lock portion 34 can be optimized by screwing the third screw in correspondence with this clearance amount and sliding the receiving frame 15 to the inner depth side of the inner frame 14.

In the assembled state, the operating head of the first screw 22 is exposed on the outer surface of the cover 13. Further, as shown in FIG. 4, the operating head of the second screw 28 has a port 33 and an opening 2
1 and the operating head of the third screw 36 faces the outside through the opening 21. Therefore, the adjusting operation of each of the screws 22, 28 and 36 can be easily performed in a state of directly facing the striker. First, the main frame 12 is adjusted to the left and right and then fixed to the door frame 1 together with the cover 13, so that the up and down adjustment and the front and rear adjustment can be performed accurately. Up / down / left / right and front / rear adjustments can be performed individually, so adjustment work can be performed easily and reliably.

In the above embodiment, the second screw 28 and the third screw 36 are formed by screws (bolts), but this is not necessary. As shown in FIG. 5, bolts 42 and 43 are fixed above and below the inner surface of the main frame 12, and the inner frame 14 is slidably guided and supported by these, and a nut screwed into the upper bolt 42 is attached to the second screw 28. And Further receiving frame 15
The third screw 36 is a nut rotatably caulked and fixed to the lower screw 43. In this case, since the receiving frame 15 can move back and forth together with the third screw 36, the spring 37 can be omitted.

Other than the above, the main frame 12 can be formed in a box shape like the inner frame 14, and the mounting walls 17 can be projected above and below the box. The female screw body 19 can be formed by fixing a nut or a female screw cylinder to the main frame 12. A lock other than a sickle lock may be used as the lock 8. The cover 13 can be fixed to the door frame 1 with a dedicated screw other than the first screw 22.

[0021]

According to the present invention, the main frame 12 is provided so that it can be adjusted left and right with respect to the mounting hole 11, and the inner frame 14 and the receiving frame 15 are provided in the main frame 12 so that these can be moved up and down and back and forth. I chose Therefore, even when the mounting positions of the lock 8 and the striker vary when the door frame 1 and the door panel 2 are assembled, the main frame 12, the inner frame 14, and the receiving frame 1
The variation can be absorbed by adjusting the three factors of No. 5, and the bolt body 8a of the lock 8 can be properly engaged with the striker and locked. Even when the door panel 2 is vertically adjusted with respect to the door frame 1, it is only necessary to adjust and move the inner frame 14 correspondingly. After assembling the striker to the door frame 1, up / down / left / right and front / rear adjustments can be performed individually, so each adjustment work can be performed easily and reliably, and the adjustment work at the construction site can be performed quickly with less effort. The work efficiency can be improved by just that much. Main frame 12 and inner frame 1 that are press-molded respectively
4, the receiving frame 15 is used as an adjusting element, and these, the first to third screws 22, 28, 36, and the cover 13 constitute a striker, so that the striker can be adjusted in the up / down / left / right and front / back directions. However, the number of constituent parts and the processing cost can be reduced, and the striker can be provided at low cost as a whole.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a striker.

FIG. 2 is a front view of a sliding door.

FIG. 3 is an exploded perspective view of a striker.

FIG. 4 is a partially cutaway front view of the striker.

FIG. 5 is a vertical sectional side view showing another embodiment of the striker.

[Explanation of symbols]

1 door frame 2 doors panel 11 mounting holes 12 main frames 13 cover 14 Inner frame 15 receiving frames 21 opening 22 1st screw 28 Second screw 33 Exit 34 Lock part 36 Third screw

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-55-136377 (JP, A) SAIKAI HEI 7-21946 (JP, U) SHIKAI 55-103361 (JP, U) SAIKAI Hira 1- 114764 (JP, U) Actually opened 62-173469 (JP, U) Actually opened 61-173665 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E05B 15/02

Claims (3)

(57) [Claims] 1. A striker mounted in a mounting hole 11 of a door frame 1 facing a closed end of a door panel 2, the striker being mounted in the mounting hole 11 so as to be positionally adjustable in the left-right direction. The main frame 12 fixed to the door frame 1, the cover 13 covering the outer surface opening of the main frame 12, and the position adjustable inside the main frame 12 in the vertical direction, the second screw at any adjustment position. An inner frame 14 that is fastened and fixed to the main frame 12 by 28, and is arranged inside the inner frame 14 so as to be positionally adjustable in the front-rear direction, and is positionally fixed to the inner frame 14 by a third screw 36 at an arbitrary adjustment position. And a receiving frame 15 for receiving the bolt body 8a of the lock 8 mounted on the door panel 2 is formed in the surface wall of the receiving frame 15 facing the opening 21 of the cover 13. Engages and captures the bolt body 8a on the inner edge of the exit / exit opening 33 Ri Oh locking portion 34 is provided to the operation portion of the second screw 28, the opening 21 of the cover 13 and the receiving frame
It is arranged so that it can be operated from the outside via the access port 33 of 15.
And the operating portion of the third screw 36 is external through the opening 21.
A striker for sliding door locks that can be operated from the above . 2. Horizontally elongated adjustment holes 18 are formed in the upper and lower mounting walls 17 of the main frame 12, and the cover 13 is provided from the outer surface side.
The first screw 22 inserted in the door frame 1 is inserted through the adjustment hole 18
And a vertically elongated adjustment hole 26 is formed in an inner back wall 25 of the inner frame 14, and a second screw 28 is provided through the adjustment hole 26 to allow the main frame 2
Is screwed into the female screw body 19 provided on the inner surface of the inner frame 14 and has a screw boss 27 projecting from the surface facing the receiving frame 15 on the inner frame 14 side, and the third screw 3 inserted into the receiving frame 15 from the outer surface side.
6. The sliding door lock according to claim 1, wherein 6 is screwed into the screw boss 27, and a spring 37 that urges the receiving frame 15 toward the cover 13 side is arranged between the receiving frame 15 and the inner frame 14. Striker. 3. A sickle lock 8 is attached to the closed end of the door panel 2.
The lock portion 34 for engaging and capturing the hook bolt 8a of the sickle lock 8.
Is provided at the lower edge of the exit / exit opening 33, and the third screw 36 composed of a countersunk screw is provided at the bottom of the lock portion 34.
The striker for a sliding door lock according to claim 1 or 2, which is incorporated .