JPH07150838A - Locking device for sliding door - Google Patents

Abstract

PURPOSE:To improve appearance, and to prevent intrusion of dust, rubbish, etc., from an opening for moving a lock body and the catching of a finger in the opening by closing the opening for moving the lock body bored to an opening-closing end section under the state of the release of locking. CONSTITUTION:A vertically moved and operated lock body 3 is housed and installed at the opening-closing end section 2 of a sliding door panel 1. An opening 4 for vertically moving the lock body 3 is bored to the door stop sidewall 5 of the opening-closing end section 2, and a cover piece 6 closing the opening 4 is mounted on the lock body 3 under the state of the release of locking while a lock receiving section 8 rotatably engaged with the lock body 3 is set up to a door stop frame 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door locking device for removably locking and fixing an opening / closing end portion of a sliding door panel to a door stop frame.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 10, a lock body (b) that is operated to move up and down is housed at an opening and closing end (a) of a sliding door panel, and the lock body (b) moves up and down. Is formed in the door contact side wall of the opening / closing end (a), while the lock receiving part (e) is detachably engaged with the door contact frame (d). ) Is known, a sliding door locking device is known.

In the sliding door locking device, the sliding door panel is slid to run, and the open / close end (a) of the sliding door panel is moved.
Is detachably locked and fixed to the door stop frame (d). That is, the tip of the lock body (b) is bent downward in a substantially L shape, while the lock receiving portion (e) is provided with a locking hole so that the lock body (b) is lowered. The lock body (b) is moved upward to be locked by inserting and locking the tip bent portion of the lock body into the locking hole of the lock receiving portion (e). Is unlocked by removing it from the locking hole of the lock receiving portion (e).

[0004]

However, in the above conventional technique, the open / close end of the sliding door panel is in the unlocked state in which the lock body (b) is moved upward and removed from the lock receiving part (e). Although (a) is separated from the door stop frame (d), the sliding door panel can be opened, but in this case, an opening (c) that is formed in the door contact side wall of the opening and closing end (a) appears. The appearance is not good, and there is a risk that dust, dust, and the like may enter through the opening (C) to hinder the lock operation, and there is also a risk that the opening (C) may be stuffed with fingers.

The present invention has been invented to solve the above-mentioned problems in the prior art, that is, the problem is that an opening is formed in a door-contact side wall of an opening / closing end for vertically moving a lock body. Is closed in the unlocked state, and even if the sliding door panel is opened, the opening is closed and the appearance is good, and dust, dust, etc. may enter through the opening and interfere with the lock operation. It is an object of the present invention to provide a sliding door locking device that does not have a risk of jamming a finger in the opening.

[0006]

According to a first aspect of the present invention, there is provided a sliding door lock device, which is provided with a lock body which is operated to move up and down at an opening / closing end of a sliding door panel, and the lock body moves up and down. For opening the door stop side wall of the opening and closing end,
A cover piece for closing the opening in the unlocked state is provided on the lock body, and on the other hand, a lock receiving portion for detachably locking the lock body is provided on a door stop frame. Has been resolved.

The sliding door locking device according to claim 2) of the present invention is the sliding door locking device according to claim 1), in which a locking body is provided in a hollow vertical frame at an opening / closing end of the sliding door panel. It is characterized in that an opening for moving the lock body up and down is formed in a door contact side wall of the same hollow vertical frame.

The sliding door locking device according to claim 3) of the present invention is the sliding door locking device according to claim 1) or 2), in which a locking hole is formed in the lock body and the locking member is inserted into the locking hole. It is characterized in that a lock receiving portion is provided in a door stop frame so as to be stopped in a substantially L-shape.

The sliding door lock device according to claim 4) of the present invention is the sliding door lock device according to any one of claims 1) to 3), in which the lock is received in a state where the lock body is moved upward. It is characterized in that it is locked to the portion and is in a locked state.

A sliding door lock device according to a fifth aspect of the present invention is the sliding door lock device according to any one of the first to fourth aspects, wherein the cover piece is slidably attached to the lock body. At the same time, the cover piece is elastically urged from the inside toward the opening side by a spring body.

[0011]

In the sliding door lock device according to the first aspect of the present invention, the open / close end of the sliding door panel is brought close to the door stop frame to close the sliding door panel, and the lock body is vertically moved to the lock receiving portion. It is locked and locked, the lock body is operated up and down in the opposite direction and it is released from the lock receiving part and unlocked,
The open / close end of the sliding door panel is separated from the door stop frame to open the sliding door panel. In this case, since the lock body moves up and down, the opening formed in the side wall of the door contact at the open / close end is in the unlocked state and is closed by the cover piece provided on the lock body, so that even if the sliding door panel is opened. The opening is closed and has a good appearance, and there is no possibility that dust, dust, or the like will enter through the opening to hinder the lock operation, and there is no risk of jamming a finger in the opening.

In the sliding door locking device according to the second aspect of the present invention, in particular, the locking body is provided so as to be housed in the hollow vertical frame at the opening and closing end of the sliding door panel, and the locking body moves up and down. Since the opening is formed in the door stop side wall of the same hollow vertical frame, the lock body can be easily and well installed by utilizing the hollow internal space of the hollow vertical frame.

In the sliding door lock device according to the third aspect of the present invention, in particular, the lock body is provided with a locking hole, and the lock receiving portion has the door stop frame so as to be inserted and locked in the locking hole. Since it is provided with a substantially L-shaped projection, the lock receiving portion that is provided with a substantially L-shaped projection does not move up and down, which is safe.

In the sliding door lock device according to claim 4) of the present invention, in particular, since the lock body is locked in the lock receiving portion while moving upward, the lock body is erroneously caused by its own weight or the like. Even if it moves downwards, it will be unlocked and will not hinder the opening and closing of the sliding door panel.

In the sliding door lock device according to claim 5 of the present invention, particularly, the cover piece is slidably attached to the lock body, and the cover piece is elastically urged from the inside to the opening side by the spring body. The cover piece is pressed against the lock body and pushed into the inside of the opening against the elastic force of the spring body. In this state, the lock body is moved up and down to engage and disengage the lock receiving part. Then, when the lock body is released, the cover piece is returned to the opening side by the elastic restoring force of the spring body and closes the opening, so that the degree of protrusion of the lock body from the opening can be reduced.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT The sliding door locking device shown in FIGS.
In one embodiment of the present invention, a lock body 3 that is operated to move up and down is provided at the open / close end 2 of a sliding door panel 1, and the lock body 3 is provided.
An opening 4 for vertically moving the door 4 is formed in the door contact side wall 5 of the opening / closing end 2, and a cover piece 6 for closing the opening 4 in the unlocked state is provided in the lock body 3, while the door contact frame is provided. A lock receiving portion 8 on which the lock body 3 is detachably locked
Is provided.

In this embodiment, the lock body 3 is housed in the hollow vertical frame 9 of the open / close end 2 of the sliding door panel 1, and the opening 4 for vertically moving the lock body 3 is provided in the hollow vertical frame. The door stop side wall 5 of the frame 9 is bored. Further, a locking hole 10 is formed in the lock body 3, and a lock receiving portion 8 is provided on the door stop frame 7 so as to project in a substantially L shape so as to be inserted and locked in the locking hole 10. Further, when the lock body 3 moves upward, the lock body 3 is locked to the lock receiving portion 8 to be locked.

As shown in FIG. 4, the sliding door panel 1 includes an upper frame rail 12 and a hanging runner 11 provided on both sides of the upper end thereof.
The guide runners 13 provided on both sides of the lower end of the guide runners are slidably engaged with the lower frame rails 14 to be slidably suspended in the mounting frame.

The lock body 3 is made of synthetic resin, metal or the like and is bent in a substantially L shape, and a rectangular locking hole 10 is formed in a lateral piece portion thereof.
The vertical piece is fixed to the resin block 16 with the set screw 15. At this time, the lower portion of the cover piece 6 formed by bending the stainless plate is clamped and fixed between the vertical piece portion of the lock body 3 and the resin block 16, and the cover piece 6
Is arranged so that the upper part of the is close to the back side of the opening 4. A lateral hole 17 is formed in the resin block 16, and a coupling projection 19 is provided in the lateral hole 17 so as to project from the back surface of the operation knob 18.
Are inserted and fitted. An auxiliary operating body 20 is arranged on the opposite side of the operating knob 18, and a connecting screw 21 inserted from the auxiliary operating body 20 is inserted into the lateral hole 17 of the resin block 16 to allow the operating knob 18 to be inserted. The operation knob body 18 and the auxiliary operation body 20 on both sides and the resin block 16 are combined and integrated by being inserted and screwed into the recessed hole 22 formed in the coupling protrusion 19.

In this case, the connecting projection 19 of the operating knob 18 is formed in a square shape, and the rectangular guide projection 23 is similarly provided on the back surface of the auxiliary operating body 20. As shown in FIG. A rectangular vertical hole 24 is formed in the vertical direction on both side walls of the hollow vertical frame 9 which is 2 and slides vertically so that the connecting projection 19 and the guide projection 23 do not rotate in the rectangular long hole 24. It is freely engaged and guided, and the vertical slide range is restricted. A substantially U-shaped spring clip 25 is provided on the upper end of the resin block 16 so as to project therefrom.
A lock pin 26 is provided in the lock pin 26. A constricted portion 27 is provided in the middle of the spring clip 25, and the constricted portion 27 is elastically engaged with the lock pin 26 so that the spring clip
Along with 25, the resin block 16, the lock body 3, etc. are held in a state of being slid upward.

As shown in FIG. 6, the lock pin 26 has a tubular body 28 housed in a hollow vertical frame 9 serving as an opening / closing end portion 2 and installed between both side walls thereof. It is fixed by a set screw 29 that is screwed into. Guide grooves 30 formed on the back surfaces of the operation knob 18 and the auxiliary operation body 20 are slidably engaged with the heads of the two stop screws 29, respectively. The 20 is surely guided so as not to rotate and is slid.

The sliding door panel 1 of the embodiment is constructed as a sliding door for a bathroom, and a knob 31 for operating from the inside of the bathroom is provided on the surface of the operation knob 18 so as to project from the auxiliary operation body 20. On the surface, an engaging groove portion 32 is provided which can be operated from the outside of the bathroom by a driver, a coin or the like in an emergency. or,
Cushion packing material 33 is attached to the outer surface of the door contact side wall 5 and the outer surface of the door contact frame 7 of the hollow vertical frame 9 serving as the opening / closing end 2, respectively, to ensure waterproofness in the door contact portion. . In this case, the both cushion packing materials are arranged so as not to hinder the vertical movement of the lock body 3 in the opening 4 or the engagement between the lock body 3 and the lock receiving portion 8.
A portion of 33 that substantially corresponds to the opening 4 is formed.

Further, the lock receiving portion 8 is provided on the outer surface of the door stop frame 7 so as to project in a substantially L-shape. In this case, the lock receiving portion 8 is locked in the through hole 34 formed in the outer wall of the door stop frame 7. The rear end portion 35 of the bent piece member formed of synthetic resin, metal or the like forming the receiving portion 8 is inserted, and the fixing screw 36 is screwed into the rear end portion 35 to form the lock receiving portion 8. The bent piece member is fixed.

Therefore, in the sliding door locking device of this embodiment, the open / close end 2 of the sliding door panel 1 is brought close to the door stop frame 7, and both cushion packing materials 33 are brought into contact with each other to close the sliding door panel 1. The lock body 3 is moved upward by the sliding operation of the operation knob body 18 or the auxiliary operation body 20, the constricted portion 27 of the spring clip 25 is elastically engaged with the lock pin 26, and the lock body 3 is engaged. The stop hole 10 is locked by locking the lock receiving portion 8 having a substantially L shape. Also, by sliding the operation knob 18 or the auxiliary operation body 20,
The constricted portion 27 of the spring clip 25 is removed downward from the lock pin 26, the lock body 3 is moved downward, and the locking hole 10 of the lock body 3 is removed from the lock receiving portion 8 and unlocked. Then, the open / close end 2 of the sliding door panel 1 is separated from the door stop frame 7, and the sliding door panel 1 is opened.

In this case, when the lock body 3 moves up and down, the opening 4 formed in the door contact side wall 5 of the opening / closing end 2 is automatically unlocked by the cover piece 6 provided in the lock body 3 in the unlocked state. Since the opening is closed, the opening 4 is closed even when the sliding door panel 1 is opened, and the appearance is good. Moreover, water, dust, dust, etc. enter from the opening 4 and interfere with the lock operation. In addition, there is no risk of packing fingers in the opening 4.

A lock body 3 is housed in a hollow vertical frame 9 at an opening / closing end 2 of a sliding door panel 1, and an opening 4 for vertically moving the lock body 3 is provided in the hollow vertical frame 9. Since the contact side wall 5 is bored, the lock body 3 is provided easily and well by utilizing the hollow internal space of the hollow vertical frame 9. Further, the lock receiving portion 8 provided in a substantially L-shape is safe because it does not move up and down. Further, since the lock body 3 moves upward and is locked in the lock receiving portion 8 to be in the locked state, the constricted portion 27 of the spring clip 25 is disengaged downward from the lock pin 26 and the lock body 3 Even if is accidentally moved downward due to its own weight or the like, it does not interfere with the opening and closing of the sliding door panel 1 in the unlocked state.

Further, in the same embodiment, as shown in FIG.
A vertical hole 37 is made to communicate with the vertical piece portion of the lock body 3 and the lower portion of the cover piece 6, and an adjusting screw is provided in the long hole 37.
The adjustment screw 38 may be screwed and fixed to the resin block 16 by inserting the screw 38. In this case, the adjustment screw 38 may be loosened to move the lock body 3 and the cover piece 6 up and down, and the height of the lock body 3 and the cover piece 6 may be adjusted so that the lock body 3 and the cover piece 6 accurately correspond to the opening 4. it can. Particularly, in the embodiment,
Since the opening 4 is opened when the lock body 3 moves upward, the lock body 3 is moved upward to open the opening 4 with the sliding door panel 1 open, and the height from the opening 4 increases. Adjustments can be made easily.

The sliding door locking device shown in FIG. 9 is another embodiment of the present invention. In this embodiment, in particular, the cover piece 6 is slidably attached to the lock body 3, and the cover piece is also provided. 6 is elastically urged by the spring body 42 from the inside toward the opening 4 side. In this case, the cover piece 6 is formed in a substantially U shape, and the sliding long hole 39 is formed in the lower piece portion thereof.
The screw 40 is inserted through the screw 39, and the cover piece 6 is coupled and fixed to the lock body 3 so as to be slidable in the front-rear direction by the screw 40 and the lower nut 41 of the lock body 3. Further, a leaf spring-shaped spring body 42 is erected and connected between the vertical piece portion 43 of the cover piece 6 and the resin block 16, and the cover body 6 is connected by the spring body 42.
The vertical piece portion 43 is pressed toward the opening 4 side and fitted into the opening 4. At that time, the vertical piece portion 43 of the cover piece 6 is substantially flush with the outer surface of the cushion packing material 33 for a good appearance, and the rear end portion of the upper piece portion of the cover piece 6 is bent upward. And the bent piece portion 44 stops at the back side of the upper edge of the opening 4,
The flush state is secured.

Therefore, in the sliding door locking device of this embodiment, the cover piece 6 is brought into contact with the lock body 3 and the spring body 42 is used.
The lock body 3 is pushed into the inside of the opening 4 against the elastic force of the lock body 3, and in this state, the lock body 3 is vertically moved to engage and disengage the locking hole 10 with the lock receiving portion 8, and the lock body 3 is released. Then, the cover piece 6 is returned to the opening 4 side by the elastic restoring force of the spring body 42 and closes the opening 4, so that the protrusion degree of the lock body 3 from the opening 4 can be reduced. The lock operation is performed without any trouble as described above.

[0030]

As described above, in the sliding door lock device according to the first aspect of the present invention, the opening formed in the door contact side wall at the opening / closing end is in the unlocked state because the lock body moves up and down. Since it is closed by the cover piece provided on the lock body, even if the sliding door panel is opened, the opening is closed and the appearance is good. Moreover, dust, dust, etc. enter from the opening and interfere with the lock operation. Never come,
Also, there is no risk of packing fingers in the opening.

Further, in the sliding door locking device according to claim 2) of the present invention, in particular, the locking body is provided so as to be housed in the hollow vertical frame at the opening / closing end of the sliding door panel, and the locking body moves up and down. Since the opening for opening is formed in the door stop side wall of the hollow vertical frame, the lock body can be easily and comfortably provided by utilizing the hollow internal space of the hollow vertical frame.

Further, in the sliding door lock device according to claim 3) of the present invention, in particular, a locking hole is formed in the lock body,
Since the lock receiving portion is projectingly provided in the door stop frame in a substantially L shape so as to be inserted and locked in the locking hole, the lock receiving portion projecting in the substantially L shape can be vertically moved. It is a safe one.

Further, in the sliding door lock device according to claim 4 of the present invention, in particular, since the lock body is locked by being locked in the lock receiving portion in a state where the lock body moves upward, the lock body has a self-weight or the like. Therefore, even if it is accidentally moved downward, it is unlocked and does not interfere with the opening and closing of the sliding door panel.

Further, in the sliding door lock device according to claim 5 of the present invention, in particular, the cover piece is brought into contact with the lock body and pushed into the inside of the opening against the elastic force of the spring body.
In this state, the lock body is operated to move up and down to engage and disengage the lock receiving portion, and when the lock body is released, the cover piece is returned to the opening side by the elastic restoring force of the spring body to close the opening. The degree of protrusion of the lock body from the opening can be reduced.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a sliding door locking device that is an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the same embodiment.

FIG. 3 is an exploded perspective view of essential parts of the embodiment.

FIG. 4 is a schematic front view showing a sliding door panel in the embodiment.

FIG. 5 is a partially sectional front view showing an open / close end of a sliding door panel in the embodiment.

FIG. 6 is a cross-sectional view showing an open / close end of a sliding door panel in the embodiment.

FIG. 7 is a side view showing the open / close end of the sliding door panel in the embodiment.

FIG. 8 is a longitudinal sectional view of an essential part showing an applied embodiment of the embodiment.

FIG. 9 is a longitudinal sectional view showing a sliding door locking device that is another embodiment of the present invention.

FIG. 10 is a schematic vertical cross-sectional view of a sliding door lock device that is a conventional example of the present invention.

[Explanation of symbols]

 1 Sliding door panel 2 Opening / closing end part 3 Lock body 4 Opening 5 Door contact side wall 6 Cover piece 7 Door contact frame 8 Lock receiving part 9 Hollow vertical frame 10 Locking hole

Claims (5)

[Claims] 1. A lock body which is operated to move up and down is provided at an opening and closing end of a sliding door panel, and an opening for moving the lock up and down is formed in a side wall of a door contact at the opening and closing end. A sliding door locking device, wherein a cover piece that closes the opening in the released state is provided on the lock body, and on the other hand, a lock receiving portion to which the lock body is detachably locked is provided on a door contact frame. 2. A lock body is provided in a hollow vertical frame at the open / close end of the sliding door panel, and an opening for vertically moving the lock body is formed in a side wall of a door contact of the hollow vertical frame. The sliding door lock device according to claim 1). 3. A lock hole is formed in a lock body, and a lock receiving portion is substantially L on a door stop frame so as to be inserted and locked in the lock hole.
The sliding door locking device according to claim 1) or 2), wherein the sliding door locking device is provided in a character shape. 4. The sliding door lock device according to claim 1, wherein the lock body is locked in a locked state by being locked to a lock receiving portion in a state where the lock body moves upward. . 5. The cover piece is slidably attached to the lock body, and the cover piece is elastically urged from the inside toward the opening side by a spring body. The sliding door locking device according to claim 1.