JP2010059757A - Auxiliary lock for sliding door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an auxiliary lock for a sliding door, which restrains further opening of the sliding door partially opened for ventilation or the like. <P>SOLUTION: The auxiliary lock for the sliding door is constituted of a fixing part comprising an insertion hole fixed to a portion near the meeting position of the sliding door and a slide groove connected to the insertion hole and formed in parallel with the opening/closing direction, and of a movable part inserted into the fixing part and projecting on a slidable sliding door inside rail surface. This constitution allows the sliding door to be restrained, while preventing the outside sliding door from being removed from the rail. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a structure of an auxiliary lock that is provided at each edge of a sliding door, partially opens the sliding door for the purpose of ventilation and the like, and restricts further opening.

  Conventionally, various types of auxiliary locks have been proposed for restricting the opening of sliding doors in a state where the sliding doors are slightly opened in order to perform ventilation while taking security into consideration.

  Some of these auxiliary locks are locked by manually moving or rotating the locking part without using a key during locking. There was a problem that unlocking became possible by inserting.

  Some of the other auxiliary locks only restrict the opening / closing direction of the sliding door, so there is a problem that it is possible to unlock by lifting the outer sliding door from the outdoor side and removing it from the sliding door rail. It was.

  An object of the present invention is to provide an auxiliary lock that solves the above-described problems and can more safely regulate the opening of a sliding door.

  In order to achieve this object, the invention according to claim 1 of the present application is an auxiliary lock which is installed in a sliding door attached to a rail on a door frame and regulates the opening of the sliding door for ventilation or the like. A fixed part and a movable part fixed to the inner surface of the summing side, wherein the fixed part is formed with a horizontal slide groove having an insertion hole at the end of the summing side, and the movable part is It is columnar and has a length in the longitudinal direction that protrudes to the inner side of the summoning side. One end is an operation end, and the other end is composed of a neck portion fitted to the slide groove and an insertion end that can be inserted through the insertion hole. It is characterized by being.

  According to a second aspect of the present invention, in the sliding door auxiliary lock according to the first aspect, the movable portion has a length in the longitudinal direction protruding from the inner rail surface.

  According to a third aspect of the present invention, in the sliding door auxiliary lock according to the first and second aspects, the movable portion has a screw structure, and the thickness of the neck portion can be adjusted.

  According to a fourth aspect of the present invention, in the auxiliary lock for sliding doors according to the first and second aspects, the neck has a rectangular shape with a cross-section of the rotation axis of the neck, and the width of the slide groove extends from the door frame side end to the middle position The length is equal to the short side, and the length from the midway position to the summit side end is equal to the long side.

  According to a fifth aspect of the present invention, in the sliding door auxiliary lock according to the first and second aspects, the thickness of the movable portion is a rectangular column shape substantially equal to the thickness of the fixed portion, and is fitted and stored in the insertion hole. It is characterized by.

  As described above, according to the first aspect of the invention, by attaching the sliding door auxiliary lock, the opening width of the sliding door is restricted, so that ventilation can be performed safely.

  According to the second aspect of the present invention, by attaching the auxiliary lock for the sliding door, it is possible to prevent the outer sliding door from being lifted and removed from the outer rail. It becomes.

  According to invention of Claim 3, it becomes possible to adjust the open | release width of a sliding door by fixing a movable part in the arbitrary positions of a slide groove with a screw | thread.

  According to the fourth aspect of the present invention, it is possible to adjust the opening width of the sliding door in a stepwise manner corresponding to the long and short fitting positions of different widths of the slide groove.

  According to the fifth aspect of the present invention, the movable part can be stored in the insertion hole, and the operation and management are facilitated.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Drawing 1 is a perspective view which looked at the sliding door structure used as the object of the embodiment of the present invention from the indoor side. The sliding door includes a door frame 100, an inner sliding door 210, and an outer sliding door 220. An inner rail 110 and an outer rail 120 are formed on the door frame 100. The inner sliding door 210 and the outer sliding door 220 are each composed of an inner glass 211, an outer glass 221, an inner rod 212, and an outer rod 222. The summoning 230 is a portion that overlaps with the inner sliding door 210 and the outer sliding door 220 being closed, and a crescent lock (not shown) is installed on the inner and outer collars 212 and 222 on the summing 230 side. ing.

  FIG. 2 is a perspective view showing the sliding door auxiliary lock of the first embodiment. The auxiliary lock for sliding doors of the first embodiment includes a fixed portion 310 and a movable portion 320. An insertion hole 311 and a slide groove 312 are formed in the fixed portion 310. The thickness of the fixing portion 310 is smaller than the gap formed when the inner sliding door 210 and the outer sliding door 220 overlap each other. The movable portion 320 has a columnar shape, one end is formed with an operation end 321, the other end is formed with a neck 322 and an insertion end 323, and the length in the longitudinal direction is such that the operation end 321 faces the inner rail 110 surface when locked. It has a protruding length. The movable part 320 can be inserted from the insertion hole 311 because the diameter of the insertion end 323 is wider than the width of the slide groove 312, but cannot be detached from the slide groove 312.

  FIG. 3 is a main part perspective view showing a state in which the sliding door auxiliary lock of the first embodiment is installed and locked in a state in which the sliding door is closed. The fixing portion 310 has the insertion hole 311 on the side of the summon 230, and approaches the inner flange 212 on the summon 230 side by double-sided tape, screws or the like so that the sliding door opening / closing direction and the longitudinal direction of the slide groove 312 are parallel to each other. In addition, the operation end 321 of the movable portion 320 inserted through the insertion hole 311 and on the slide groove 312 is fixed to the inner surface of the outer rod 222 so as to approach the lower end of the inner rail 110.

  FIG. 4 is a cross-sectional view of the main part AA showing a state in which the sliding door auxiliary lock of the first embodiment is installed and locked in a state where the sliding door is closed. The operation end 321 is installed so as to approach the lower end of the inner rail 110 and protrude from the surface of the inner rail 110.

  FIG. 5 is a main part perspective view showing a state in which the sliding door auxiliary lock according to the first embodiment is installed and locked in a state where the sliding door is restricted from opening. Opening of the inner sliding door 210 is restricted by the movable portion 320. Further, since the inner sliding door 210 covers the insertion hole 311 (not shown), it is impossible to expose the insertion hole 311 and remove the movable part 320 while securing a space for putting a hand or the like from the outdoor side. . Further, since the operation end 321 protrudes while approaching the inner rail 110, it is impossible to lift the outer sliding door 220 and remove it from the outer rail 120 (not shown).

  The fixed part 310 of the auxiliary lock for sliding doors of the first embodiment is in a position where the operation end 321 of the movable part 320 approaches the lower end of the inner rail 110 and protrudes, but for the purpose of opening restriction only. The fixing portion 310 is fixed to a position not approaching the lower end of the inner rail 110 (for example, the inner surface of the outer glass 221 on the summing 230 side), and the operation end 321 is only on the inner hook 212 of the inner sliding door 210 on the summing 230 side. You may implement as the movable part 320 of the length of the longitudinal direction which protrudes.

  FIG. 6 is a perspective view showing a sliding door auxiliary lock according to the second embodiment. In the description of the second embodiment, the same mechanism as that of the first embodiment is denoted by the same reference numeral, and the description thereof is omitted. The auxiliary lock for sliding door according to the second embodiment includes a fixed portion 310 and a movable portion 420. The movable portion 420 has a columnar shape, and the length in the longitudinal direction is such that the operation end 421 protrudes from the inner rail 110 surface when locked, one end is the operation end 421, and the other end is the neck 422. And the insertion end 423 is formed. The neck 422 and the operation end 421 side have a screw structure, and the thickness of the neck 422 can be adjusted. Since the diameter of the insertion end 423 of the movable portion 420 inserted from the insertion hole 311 is wider than the width of the slide groove 312, it cannot be detached from the slide groove 312.

  FIG. 7 is a perspective view of a principal part showing a state where the sliding door auxiliary lock of the second embodiment is installed and locked in a state where the sliding door is restricted from opening. In the auxiliary lock for sliding door of the second embodiment, in addition to the function of the first embodiment, the movable portion 420 can be fixed with a screw at an arbitrary position of the slide groove 312 to adjust the opening restriction width of the sliding door. Is possible. Opening of the inner sliding door 210 is restricted by the movable portion 420. Further, since the inner sliding door 210 covers the insertion hole 311 (not shown), it is impossible to expose the insertion hole 311 and remove the movable part 420 while securing a space for putting a hand or the like from the outdoor side. . Furthermore, since the operation end 421 protrudes while approaching the lower end of the inner rail 110, it is impossible to lift the outer sliding door 220 and remove it from the outer rail 120 (not shown).

  The axial sections of the movable portions 320 and 420 of the sliding door auxiliary locks of the first and second embodiments are circular, but except for the neck portions 322 and 422, a part or all of the movable portions 320 and 420 are otherwise. For example, a triangular prism, a quadrangular prism, or other polygonal prisms may be used. For example, in order to facilitate screw tightening of the movable portion 420, the axial section of the insertion end 423 may be a square, the neck 422 may be a circle, and the rest may be a circle or a hexagon.

  Furthermore, the screwing of the movable portion 420 of the second embodiment is further performed by forming a specially shaped uneven portion on the operation end 421 and using a tool fitted to the uneven portion prepared in advance. Can be increased.

  FIG. 8 is a perspective view showing a sliding door auxiliary lock according to the third embodiment. The auxiliary lock for sliding doors of the third embodiment includes a fixed portion 510 and a movable portion 520. An insertion hole 511, a slide groove 512, and a slide groove 513 are formed in the fixed portion 510. The movable portion 520 has a quadrangular prism shape, and the length in the longitudinal direction is such that the operation end 521 protrudes from the inner rail 110 surface when locked, one end being the operation end 521, and the other end being the neck 522. And the insertion end 523 is formed. Since the side length of the insertion end 523 of the movable part 520 inserted from the insertion hole 511 is wider than any width of the slide grooves 512 and 513, it is impossible to detach it from any of the slide grooves 512 and 513. The section of the rotation axis of the neck 522 is rectangular, the length of the long side is fitted in the slide groove 512, and the length of the short side is fitted in the slide groove 513. For this reason, it can select so that it may fit in either of the slide grooves 512 and 513 by rotating the insertion position of the movable part 520 90 degree | times centering on an axis.

  FIG. 9 is a perspective view of a main part showing a state where the sliding door auxiliary lock according to the third embodiment is installed and locked in a state in which the opening of the sliding door is restricted. Since the movable portion 520 is inserted so as to fit in the slide groove 512 (not shown), the inner sliding door 210 is blocked by the movable portion 520 and the opening is restricted at the left end position of the slide groove 512. . Further, since the inner sliding door 210 covers the insertion hole 511 (not shown), it is impossible to expose the insertion hole 511 and remove the movable portion 520 while securing a space for putting a hand or the like from the outdoor side. . Furthermore, since the operation end 521 protrudes while approaching the lower end of the inner rail 110, it is impossible to lift the outer sliding door 220 and remove it from the outer rail 120 (not shown).

  In the sliding door auxiliary lock of the third embodiment, the neck portion 522 of the movable portion 520 has a rectangular cross section, and the fixed portion 510 is formed with slide grooves 512 and 513 having two different widths to be fitted to each other. However, as another form, the axial cross-section of the neck is a hexagonal shape in which the opposite sides are parallel and the lengths are equal, and the lengths of adjacent sides are different. You may implement as a shape which consists of a slide groove | channel.

  FIG. 10 is a perspective view showing the sliding door auxiliary lock of the fourth embodiment. The auxiliary lock for sliding doors of the fourth embodiment includes a fixed portion 610 and a movable portion 620. An insertion hole 611 and a slide groove 612 are formed in the fixed portion 610. The movable portion 620 has a rectangular column shape, and the length in the longitudinal direction is such that the operation end 621 protrudes from the inner rail 110 surface when locked, one end being the operation end 621, and the other end being the neck 622. And the insertion end 623 is formed. The movable portion 620 inserted from the insertion hole 611 cannot be detached from the slide groove 612 because the long rectangular side of the insertion end 623 is wider than the width of the slide groove 612.

  FIG. 11 is a main part perspective view showing a state in which the sliding door auxiliary lock according to the fourth embodiment is installed and locked in a state in which the opening of the sliding door is restricted. Opening of the inner sliding door 210 is restricted by the movable portion 620. Further, since the inner sliding door 210 covers the insertion hole 611 (not shown), it is impossible to expose the insertion hole 611 and remove the movable part 620 while securing a space for putting a hand or the like from the outdoor side. . Further, since the operation end 621 protrudes while approaching the lower end of the inner rail 110, it is impossible to lift the outer sliding door 220 and remove it from the outer rail 120 (not shown).

  FIG. 12 is a perspective view of a main part showing a state where the sliding door auxiliary lock of the fourth embodiment is installed and unlocked in a state where the sliding door is closed. Since the outer shape of the movable part 620 is formed so as to be fitted to the insertion hole 611, the movable part 620 can open and close the sliding door in a state of being stored in the insertion hole 611 when not in use. Since the time can be taken out with the finger from the slide groove 612, the operation management of the movable portion 620 can be facilitated.

It is the perspective view which looked at the sliding door structure used as the object of the embodiment of the present invention from the indoor side. It is a perspective view which shows the auxiliary lock for sliding doors of 1st embodiment. It is a principal part perspective view which shows the state in which the auxiliary lock for sliding doors of 1st embodiment was installed and locked in the state in which the sliding door was closed. FIG. 3 is a cross-sectional view of the main part AA showing a state in which the sliding door auxiliary lock of the first embodiment is installed and locked in a state in which the sliding door is closed. It is a principal part perspective view which shows the state by which the auxiliary | assistant lock for sliding doors of 1st embodiment was installed and locked in the state by which the sliding door was controlled by opening. It is a perspective view which shows the auxiliary lock for sliding doors of 2nd embodiment. It is a principal part perspective view which shows the state by which the auxiliary | assistant lock for sliding doors of 2nd embodiment was installed and locked in the state by which the sliding door was controlled by opening. It is a perspective view which shows the auxiliary lock for sliding doors of 3rd embodiment. It is a principal part perspective view which shows the state by which the auxiliary | assistant lock for sliding doors of 3rd embodiment was installed and locked in the state by which the sliding door was controlled by opening. It is a perspective view which shows the auxiliary lock for sliding doors of 4th embodiment. It is a principal part perspective view which shows the state by which the auxiliary | assistant lock for sliding doors of 4th embodiment was installed and locked in the state in which the opening of the sliding door was controlled. It is a principal part perspective view which shows the state by which the auxiliary | assistant lock for sliding doors of 4th embodiment was installed in the state in which the sliding door was closed, and was unlocked.

Explanation of symbols

100 Door frame 110 Inner rail 120 Outer rail 210 Inner sliding door 211 Inner glass 212 Inner wall 220 Outer sliding door 221 Outer glass 222 Outer wall 230 Summing 310 Fixed part 311 Insertion hole 312 Slide groove 320 Movable part 321 Operation end 322 Neck part 323 Insertion end 420 movable portion 421 operation end 422 neck portion 423 insertion end 510 fixed portion 511 insertion hole 512 slide groove 513 slide groove 520 movable portion 521 operation end 522 neck portion 523 insertion end 610 fixed portion 611 insertion hole 612 slide groove 620 movable portion 621 operation end 622 Neck 623 insertion end

Claims (5)

In the auxiliary lock that is installed on the sliding door attached to the rail on the door frame and regulates the opening of the sliding door for ventilation,
A fixed part and a movable part fixed to the inner surface of the outside sliding door on the summing side, wherein the fixed part has a horizontal slide groove having an insertion hole at the end on the summing side, and the movable part Is a columnar shape that has a length in the longitudinal direction that protrudes to the inner side of the summoning side, one end is an operation end, and the other end is an insertion end that can be inserted through the slide groove and the insertion hole. An auxiliary lock for sliding doors, characterized by comprising: In the auxiliary lock that is installed on the sliding door attached to the rail on the door frame and regulates the opening of the sliding door for ventilation,
2. The sliding door auxiliary lock according to claim 1, wherein the movable portion has a length in a longitudinal direction protruding from the inner rail surface. In the auxiliary lock that is installed on the sliding door attached to the rail on the door frame and regulates the opening of the sliding door for ventilation,
3. The sliding door auxiliary lock according to claim 1, wherein the movable portion has a screw structure and the thickness of the neck portion can be adjusted. In the auxiliary lock that is installed on the sliding door attached to the rail on the door frame and regulates the opening of the sliding door for ventilation,
The neck has a rectangular shape with a cross section of the rotation axis, and the width of the slide groove is equal to the short side from the door frame side end to the midway position, and the length from the midway position to the summing side end is the long side. The auxiliary lock for sliding doors according to claim 1 or 2, wherein the length is equal to the side. In the auxiliary lock that is installed on the sliding door attached to the rail on the door frame and regulates the opening of the sliding door for ventilation,
The sliding door auxiliary lock according to claim 1 or 2, wherein the movable portion has a rectangular column shape substantially equal to the thickness of the fixed portion, and is fitted and stored in the insertion hole.

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