JP3162917U - Sliding door lock device - Google Patents

Abstract

A locking device that does not hinder the smooth movement of a sliding door is provided. A casing is attached to an upper portion of a sliding door, a locking slide piece that is urged and projected upward by a spring from the inside of the casing, and an end rail body that slidably locks the locking slide piece. To do. Further, a first projecting portion 21 is provided on the upper portion of the locking slide piece so that its upper surface is a circular surface along the slide movement direction and projects upward, and the lower surface of the end slide body 7 is along the slide movement direction. A spring piece 40 having a second projecting portion 44 that protrudes downward as a circular surface is provided. As a result, the second projecting portion 44 is elastically pushed up by the first projecting portion 21 along with the sliding movement of the locking slide piece into the back of the end rail body 7, and the first projecting portion 21 passes therethrough. It returns elastically at the position and is locked to the first protrusion 21. [Selection] Figure 4

Description

  The present invention relates to a locking device that locks a sliding door in an open position.

  When the sliding door is fully opened in furniture or the like, the sliding door edge collides with the door stop and returns a little by reaction. A locking device is provided to prevent this recoil return.

Concept of device

Problems that the device tries to solve

  However, the current locking device hinders the smooth opening and closing movement of the sliding door. The present invention provides a locking device that does not hinder the smooth movement of the sliding door.

Means for solving the problem

  In this device, a casing attached to an upper portion of a sliding door, a locking slide piece that is urged upwardly by a spring from the inside of the casing, and an end rail body that locks the locking slide piece so as to be slidable. A first projecting portion is provided on the upper portion of the locking slide piece, the upper surface of which is a circular surface along the slide movement direction and projecting upward, and the lower surface of the end slide body in the slide movement direction. A spring piece having a second projecting portion projecting downward along a circular surface is provided, and the second projecting portion is moved along the sliding movement of the locking slide piece into the back of the end rail body. A sliding door locking device, wherein the sliding door lock device is elastically pushed up by the first projecting portion and elastically returns to a locked state of the first projecting portion at a passing position of the first projecting portion. Subjected to.

  According to the above configuration, when the sliding door is opened, the second projecting portion of the spring piece in the end rail body is elastically pushed up by the first projecting portion of the locking slide portion, and further, the sliding door is opened to open the second door. The projecting portion returns elastically at the position where the first projecting portion passes, and is locked to the first projecting portion in a locked state, thereby preventing a recoil return when the sliding door is fully opened.

  A series of operations of pushing up the second projecting portion of the spring piece by the first projecting portion of the locking slide portion and passing through the first projecting portion of the engaging slide portion of the second projecting portion of the spring piece is as follows. Since each projecting portion is a circular surface along the slide movement direction on the opposing surface, the second projecting portion of the spring piece collides with another portion of the locking slide portion at the initial stage. If not, the operation can be performed smoothly and damage to the spring piece can be prevented.

Effect of device

  According to this device, it is possible to obtain a sliding door locking device that does not hinder the smooth movement of the sliding door and has a stable structure.

  Front view of the sliding door lock device of this invention   The perspective view of the spring piece used in the locking device of the sliding door of this device   Exploded perspective view of the sliding door lock device of this invention   Operational explanation of the sliding door lock device of this device   Operational explanation of the sliding door lock device of this device   Operational explanation of the sliding door lock device of this device   Sectional view of the main part of the locking device of the sliding door of this device

  FIG. 1 is a front view of a sliding door locking device according to the present invention, and FIG. 3 is an exploded perspective view thereof. The sliding door locking device 1 includes a casing 3 that is fitted in the upper inner surface of the sliding door end, a locking slide piece 5 that is urged upward from the casing 3, and a sliding slide piece 5 that can slide. And an end rail body 7 to be engaged with the end rail body 7.

  The casing 3 is provided with a fitting space 9 in which the locking slide piece 5 is fitted and mounted from above, and an opening 11 is provided in the longitudinal direction on the front surface thereof. Each of 13 is an attachment edge, and each of the attachment holes 15 to the sliding door inner surface is provided.

  The locking slide piece 5 is provided with a locking slide portion 17 in the upper portion, and the lower portion is used as a fitting portion 19 in the fitting space 9 of the casing 3. A first projecting portion 21 is provided on the upper portion of the locking slide portion 17 so that its upper surface is a circular surface along the slide movement direction and projects upward. A mounting hole 25 for the operation button 23 is provided in the front surface of the fitting portion 19 and an attachment hole 29 for the operation piece 27 is provided in the lower portion thereof. It is provided in the state.

  In the state where the coil springs 33 are disposed at predetermined positions in the fitting space 9 of the casing 3, the locking slide piece 5 is in a state where the coil spring 35 is disposed in the mounting hole 25 and the operation button 23 is attached to the front surface thereof. It is fitted into the fitting space 9 from above. At the time of mounting, the operation button 23 is pushed forward by the coil spring 35, and both side portions thereof are pressed by the inner surfaces of both edges of the opening 11, and are locked by matching the recessed portions 37 provided on the inner surfaces of both edges. The slide piece 5 is positioned and held at a predetermined height in the fitting space 9. In this state, the locking slide portion 17 of the locking slide piece 5 is not positioned so as to protrude from the casing 3. The operating piece 27 is fitted into the mounting hole 29 after the locking slide piece 5 is fitted into the casing 3.

  When the operation button 25 is pushed in and the both side portions are separated from the recessed portions 37 provided on the inner surfaces of the openings 11, the locking slide piece 5 is pushed upward by the coil springs 33. The locking slide piece 5 does not come out by locking each upper end with a horizontal locking surface provided in the casing 3, and the locking slide portion 17 protrudes from the upper part of the casing 5 in this state. To do.

  The end rail body 7 is used by being attached to furniture or the like so as to be connected to an end of a main body rail attached to the furniture or the like, and includes a spring piece 40 shown in FIG. The spring piece 40 is attached with its base portion 42 fitted and fixed to the inner portion of the end rail body 7, and a second protrusion that protrudes downward near its tip as a circular bottom surface along the sliding direction. A portion 44 is provided.

  The operation of the sliding door locking device 1 will be described with reference to FIGS. 4, 5, and 6. In the state where the locking slide portion 17 shown in FIG. 1 is located protruding from the upper part of the casing 5, the locking slide portion 17 is locked to the main body rail and the end rail body 7 and is slid, and FIG. A state in which the locking slide piece 5 which is opened and integrated with the end rail body 7 is slightly inserted is shown. Further, when the sliding door is opened in the direction of arrow A, as shown in FIG. 5, the second projecting portion 44 of the spring piece 40 is elastically pushed up by the first projecting portion 21 of the locking slide portion 17. Is opened in the direction of arrow A, the second projecting portion 44 elastically returns downward at the passing position of the first projecting portion 21 and is locked to the first projecting portion 21 in a locked state. This prevents a recoil return when the sliding door is fully opened.

  The second projecting portion 44 of the spring piece 40 is pushed up by the first projecting portion 21 of the locking slide portion 17 and the first projecting portion 21 of the retaining slide portion 17 of the second projecting portion 44 of the spring piece 40. A series of operations with contact passing is smoothly performed because each projecting portion is a circular surface along the slide movement direction on the surface facing each other. Further, even when the second projecting portion 44 of the spring piece 40 does not collide with the end corner portion 22 of the locking slide portion 17 at the initial stage, the operation is performed smoothly, and damage to the spring piece 40 is also prevented.

  FIG. 7 shows a cross-sectional configuration at the position of FIG. 5, and the locking edge 18 of the locking slide portion 17 is positioned in the guide groove 8 in the end rail body 7. An opening 10 is provided on the upper surface of the end rail body 7, and the opening 10 allows the upward displacement when the spring piece 40 is pushed up without any trouble.

  By applying a force in the closing direction (the direction opposite to the arrow A) to the sliding door, the continuous operation in FIGS. 6, 5, and 4 is performed, and the locked state of the sliding door is released.

DESCRIPTION OF SYMBOLS 1 Locking device 3 of sliding door Casing 5 Locking slide piece 7 End rail body 21 1st protrusion part 40 Spring piece 44 2nd protrusion part

Claims (1)

A casing attached to the upper part of the sliding door, a locking slide piece that is urged upward by a spring from the inside of the casing, and an end rail body that slidably locks the locking slide piece,
A first projecting portion is provided on the upper portion of the locking slide piece so that an upper surface thereof is a circular surface along the slide movement direction and projects upward, and a lower surface of the end slide body extends along the slide movement direction. A spring piece having a second projecting portion that protrudes downward as a circular surface is provided, and the second projecting portion is moved to the first position as the locking slide piece slides into the back of the end rail body. A sliding door locking device, wherein the sliding door is elastically pushed up by one projecting portion and is elastically returned to the first projecting portion at a passing position of the first projecting portion.

Images