JP4960855B2 - Lock emptying prevention device - Google Patents

Description

  The present invention relates to a lock hanging prevention device for locking a sliding inner / outer shoji, and in particular, an open / closed state of the shoji is detected by members of the inner / outer shoji facing the running direction of the shoji and facing each other. The present invention relates to an anti-hanging device for a lock that prevents hooking.

In a sash that has an internal / external shoji as a backlash, a lock is provided on the calling pad for the inner shoji, a receiving part is provided on the calling pad for the shoji, and the hanging part provided on the lock is disengaged from the receiving part. And what performs unlocking is known. Since the hook does not engage the receiving part unless the inner and outer shoji is in the closed state, even if the lock is operated with the shoji open, the lock is in an empty state and is not locked. As described above, a lock that is in an empty state may not be locked even when the lock is operated. In addition, when the shoji is run in an empty state, the nail-like hook may damage or deform the shoji's heel. Therefore, as shown in Patent Document 1, a lock hanging prevention device is known.
JP 2006-214254 A

  The lock hanging prevention device shown in Patent Document 1 includes a detection unit that can be moved in and out of a box portion where a hook portion is provided, and when the hook portion rotates in the locking direction, the detection portion protrudes from the box portion and the internal and external shoji opens. In this state, the protrusion of the detection unit is not obstructed. In this case, the lock unit linked to the detection unit operates to prevent the hook from rotating, and in the state where the internal and external shoji is closed, the receiving unit side In this case, the detecting portion abuts against the protruding portion provided on the inner surface to prevent further protrusion, and in this case, the locking portion does not operate and rotation of the hanging portion can be continued. However, the conventional lock preventing device for the lock requires a mechanism for projecting the detection part and a mechanism for locking or not locking the rotation of the hanging part according to the degree of the projection. It was relatively complex.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lock hanging prevention device with a simplified structure by detecting an open / closed state in the traveling direction of a shoji.

In order to solve the above-mentioned problems, the lock hanging prevention device according to the present invention is a state in which the internal / external child of the lock provided in the summoning pod of the inner / outer shoji provided in a sliding manner in the frame is opened. In the lock prevention device for locking the lock operation in the
The lock is provided with a hook that can be freely engaged with and disengaged from a receiving portion provided on the outer cover, and is provided on the hook in a state where the engagement of the hook with the receiving portion is released. A rotation lock portion that is swingably held so as to be engaged with and disengaged from the engagement portion, and an abutting portion that is provided on the indoor surface of the summoning pod of the outer panel and faces the traveling direction of the outer panel. Consists of
The rotation lock portion is urged and held in a direction that prevents the rotation of the hooking portion in a state of being engaged with the engaging portion of the hooking portion, and is substantially surfaced in the traveling direction of the inner shoji. A detecting portion having an abutting surface that is exposed to the outside of the summon bowl,
The contact portion faces the contact surface, and the contact surface of the detection portion contacts the contact portion by closing the inner and outer shoji, and the rotation lock portion swings against the bias. And the engagement with respect to the engaging portion of the hooking portion is released to make the hooking portion rotatable.

  The lock hanging prevention device according to the present invention is characterized in that the contact portion is formed in the receiving portion.

  Further, in the lock hanging prevention device according to the present invention, the lock has a fixed base portion that rotatably holds the hook portion, and the rotation lock portion swings around the fixed base portion with the vertical direction as an axis. It has a swinging shaft portion that is freely held, and is configured to be biased by the swinging shaft portion in the direction of engagement with the hook portion.

  According to the lock hanging prevention device according to the present invention, the rotary lock portion that is swingably held so as to be engaged and disengaged with respect to the engaging portion of the hanging portion, and the outer arm provided on the summing lever of the external shoji It consists of a contact part facing the running direction of the shoji, and the rotation lock part is urged and held in a direction that prevents the rotation of the hanging part while being engaged with the engaging part of the hanging part. In addition, the detection unit having a contact surface that generally faces the traveling direction of the inner impingement is exposed to the outside of the summon bowl, the contact unit is opposed to the contact surface, and the inner and outer obstacles are closed. The abutment surface of the abutment abuts against the abutment portion, the rotation lock portion swings against the biasing force, and the engagement of the engagement portion with the engagement portion is released to make the engagement portion rotatable. The open / close state of the inner and outer shoji is detected in the traveling direction of the shoji, and when the inner and outer shoji is open, the hanging portion is prevented from rotating, and when the inner and outer shoji is closed, the hanging portion is prevented from rotating. Since it is dividing, it is possible to have an empty seat prevention function of the lock with a simple configuration.

  In addition, according to the lock hanging prevention device according to the present invention, the contact portion is formed in the receiving portion, so that the number of components to be attached to the summon of the shoji can be one, and the manufacturing cost of the components can be reduced. It can be reduced and the mounting workability can be improved.

  Further, according to the lock hanging prevention device of the present invention, the lock has a fixed base portion that rotatably holds the hook portion, and the rotation lock portion is swingable about the fixed base portion about the vertical direction. Since it has a swinging shaft part to be held and is urged in the direction of engagement with the hanging part by the swinging shaft part, the rotation lock part is held by the lock. An anti-hanging device can also be attached simply by attaching it to the eaves, so that the installation workability can be improved.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a sash having a lock with a built-in lock according to the present embodiment as viewed from the indoor side. As shown in this figure, the sash is provided with a rectangular frame 1 at the opening of a building, and an inner shoji 2 and an outer shoji 3 are accommodated in a sliding manner. Among these, the candy built-in lock 4 is provided in the summon candy 20 of the shoji 2. On the other hand, the receiving unit 5 is provided in the summoning bowl 20 of the shoji 3.

  FIG. 2 shows a cross-sectional view of a sash having a lock with a built-in hook. As shown in this figure, the inner shoji 2 and the outer shoji 3 have a summing rod 20 and a vertical rod 21 arranged in the vertical direction, and a glass body 22 is accommodated between them. In order to accommodate the glass body 22, the summoning bowl 20 and the vertical bowl 21 have a glass insertion groove 23 on the inner peripheral surface. Further, a hollow portion 24 is provided on the outer peripheral side of the glass insertion groove 23.

  As for the summoning candy 20 of the inner shoji 2, the hollow part 24 has protruded to the indoor side so that the cross-sectional area of the summoning candy 20 may become large. In this way, the strength of the summon bowl 20 is increased, and the inner shoji 2 is easily opened and closed by placing a hand on the overhanging portion. In addition, the lock 4 built in the bag is stored in the hollow portion 24 formed in the summon bag 20 of the inner shoji 2.

  The summon bowl 20 of the external shoji 3 has a receiving part 5 on the side of the room. The receiving part 5 engages and disengages the hook part 13 provided on the lock 4 with the built-in hook of the inner shrimp 2, and the hook part 13 engages with the receiving part 5 so that the inner hand child 2 and the outer hand child 3 are locked. In addition, the hook part 13 is disengaged from the receiving part 5, so that the inner and outer children 2 and 3 are unlocked. The receiving part 5 includes an engaging part 5a with which the hanging part 13 can be engaged, and an abutting part 5b for releasing the lock state of the rotation lock part 15 provided on the side of the lock built-in lock 4. Has been.

  In FIG. 3, the side view showing the internal structure in the summoning part of the inner shoji 2 and the outer shoji 3 is shown. This figure shows a state in which the hanging portion 13 is not engaged with the receiving portion 5, that is, a state in which the inner limb 2 and the outer limb 3 are unlocked. As shown in FIG. 3, the built-in lock 4 that is housed in the summon 20 of the shoji 2 is linked to the lock unit 10 having the receiving portion 5 and the hanging portion 13 that is detachable, and the hanging portion 13. And an operation unit 11 having an operation unit 17 for operating the.

  The lock unit 10 is configured such that a hook 13 is rotatably supported on a fixed base 12 for fixing to a summoning bowl 20. The hanging portion 13 is provided with an extending piece 14 extending toward the indoor side. The operation unit 11 is slidable in the vertical direction along the guide portion 16 provided on the interior surface of the summit bowl 20 and is extended in association with the extending piece 14 of the lock unit 10. And an operation unit 17 capable of operating the unit 13.

  The hook portion 13 of the lock unit 10 is formed in a sickle shape and can be engaged with and disengaged from the engaging portion 5a of the receiving portion 5 as it rotates. Further, the lock unit 10 is provided with a rotation lock portion 15, and in a state where the inner and outer shojis 2 and 3 shown in FIG. 3 are closed, the rotation lock portion 15 is in contact with the contact portion 5 b of the receiving portion 5. In this state, the lock for the rotation of the hanging portion 13 is released.

  The relationship between the rotation lock part 15 and the contact part 5b will be described in more detail. In FIG. 4, the cross-sectional view of each summoning bowl 20 before and after opening and closing of the inner shoji 2 and the outer shoji 3 is shown. FIG. 4A shows a state in which the inner shoji 2 and / or the outer shoji 3 are both open, and FIG. 4B shows a state in which the inner shoji 2 and the outer shoji 3 are closed.

  As shown in FIG. 4A, the rotation lock portion 15 of the lock unit 10 is inclined with respect to the fixed base 12 in a state in which the inner and outer summons 20 are separated. As shown in FIG. 3, the rotation lock portion 15 includes a swing shaft portion 15 a that is swingably held on the fixed base 12 about the vertical direction, and extends from the swing shaft portion 15 a toward the receiving portion 5. It has a detector 15b and a lock 15c extending from the swinging shaft 15a toward the room side.

  The swing shaft portion 15a is elastically biased in the tilt direction shown in FIG. The detection unit 15b has a contact surface 15d that substantially faces the traveling direction of the inner impingement 2 at the tip, and the tip lock unit 15 abuts against the outdoor surface of the summoning bowl 20, so that the rotation lock unit 15 is It is in a state of stopping against energization. Further, the lock portion 15c of the rotation lock portion 15 has a substantially L-shaped tip. A recess 14a is formed in the extended piece 14, and an engagement hole 14b is formed in the bottom surface of the recess 14a as shown in FIG. In FIG. 4A, the distal end portion of the lock portion 15 c of the rotation lock portion 15 is engaged with the engagement hole 14 b of the extension piece 14. Thereby, the extension piece 14 cannot be rotated together with the hanging portion 13, and the operation portion 17 cannot be moved. That is, in FIG. 4A, the hooking portion 13 is in a locked state.

  The contact portion 5 b formed on the receiving portion 5 faces the traveling direction of the outer shingles 3 and faces the contact surface 15 d formed on the rotation lock portion 15 of the inner shroud 2. As shown in FIG. 3, the contact portion 5b is formed at a height different from that of the receiving portion 5, and interferes with the engagement portion 5a and the hook portion 13 in the contact and separation of the contact portion 5b and the contact surface 15d. Not to be. As shown in FIG. 4 (b), when the inner and outer obstacles 2 and 3 are in a closed state, the contact part 5 b formed on the receiving part 5 comes into contact with the contact surface 15 d of the rotation lock part 15. Accordingly, the rotation lock portion 15 swings against the urging force of the swing shaft portion 15a, and the engagement of the lock portion 15c with the engagement hole 14b is released. As a result, the extending piece 14 can be rotated together with the hanging portion 13, so that the hanging portion 13 can be rotated to engage with the receiving portion 5 by the operation of the operation portion 17. . That is, in FIG. 4B, the hook 13 is in the unlocked state.

  As described above, the abutment portion 5b facing the traveling direction of the external shoji 3 is provided on the side of the summon 20 so that the lock unit 10 provided on the summon 20 of the internal shroud 2 has the abutment portion. The rotation lock part 15 having a contact surface 15d facing 5b and a lock part 15c that engages and disengages with the extension piece 14 is provided. The rotation lock part 15 is in a direction in which the lock part 15c engages with the extension piece 14. The contact surface 15d is in contact with the contact portion 5b in a state where the inner and outer obstacles 2 and 3 are closed, and the rotation lock portion 15 swings to engage the extended piece 14 of the lock portion 15c. Since the joint is released, the rotation lock portion 15 locks the rotation of the hook portion 13 except when the inner shroud 2 and the outer shoji 3 are closed. The lock can be provided with a function to prevent emptying. In the present embodiment, the contact portion 5b is formed in the receiving portion 5, but it may be fixed to the summoning bowl 20 of the external shoji 3 as a separate body from the receiving portion 5. Further, the contact portion 5 b may be separated from the receiving portion 5 and fixed to the receiving portion 5.

  As shown in FIG. 3, the operation portion 17 of the operation unit 11 has a linkage portion 30 that protrudes into the hollow portion 24 of the summon bowl 20. The linkage portion 30 has a long hole 30a extending in the indoor / outdoor direction, and the indoor end portion of the extending piece 14 of the lock unit 10 is rotatably held in the long hole 30a. A pin portion 14 c is provided at the indoor end of the extension piece 14, and the extension piece 14 is rotatably held with respect to the linkage portion 30 by inserting the pin portion 14 c into the elongated hole 30 a. ing.

  FIG. 5 is a side view showing an intermediate state in which the operation unit 17 is slid upward. As shown in this figure, when the operation portion 17 is slid in the vertical direction along the guide portion 16, the linkage portion 30 is also moved up and down accordingly, and the pin 14c of the extension piece 14 slides in the long hole 30a. Can be rotated. FIG. 5 shows a state in which the inner shoji 2 and the outer shoji 3 are closed. Therefore, the locked state of the hanging portion 13 by the rotation lock portion 15 of the lock unit 10 is released, and the operation portion 17 is moved upward. Can be slid.

  As shown in FIG. 4, an indoor opening 26 is formed on the indoor surface of the summon 20 of the shoji 2, and the guide portion 16 is fixed to the indoor opening 26. A fixed recess 20 a is formed in the vicinity of the indoor opening 26 on the indoor surface of the summon bowl 20. The guide portion 16 is formed with a fixed convex portion 16a on the outdoor surface, and by engaging with the fixed concave portion 20a, a decrease in strength of the summing bowl 20 having an opening is suppressed. Moreover, the attachment strength of the operation unit 11 can be increased and the operation part 17 can also be used as a handle when opening and closing the inner shoji 2.

  The guide portion 16 is attached so as to cover the indoor opening 26 of the summoning bowl 20, and the operation portion 17 is formed so that the outdoor surface of the operation portion 17 extends along the portion exposed to the indoor side of the guide portion 16. It is slidable along the longitudinal direction of the part 16.

  The operation unit 17 is arranged at the center position in the left-right direction of the summoning bowl 20, while the linkage part 30 provided on the operation unit 17 is more peripheral than the center position in the left-right direction of the operation section 17. It is provided at a position biased to the side. The summoning bowl 20 is narrowly formed to improve the designability and has a glass insertion groove 23 on the inner peripheral surface, so that the hollow portion 24 is arranged biased toward the outer peripheral surface side. Has been. For this reason, by arranging the linkage part 30 in the operation part 17 at a position biased toward the outer peripheral surface side of the summing bowl 20, the portion exposed to the indoor side of the operation part 17 is at the center position in the left-right direction of the summoning bowl 20. It can arrange | position and the fall of the design property by the operation part 17 being biased and arrange | positioned to one side in the indoor surface of the summon bowl 20 can be prevented.

  Further, the extended piece 14 of the lock unit 10 is in contact with and linked to the surface on the outer peripheral surface side of the summing bar 20, which is the side of the linkage portion 30 that is biased. As a result, the lock unit 10 is disposed further to the outer peripheral surface side than the linkage portion 30 in the summon bowl 20. As a result, the lock unit 10 can be accommodated in the hollow portion 24 that is biased toward the outer peripheral surface of the summon bowl 20 without interference. That is, the lock unit 10 can be surely accommodated in the summoning bowl 20 in the summoning bowl 20 formed narrow for improving the design.

  FIG. 6 shows an exploded cross-sectional view of the summon bowl 20, the lock unit 10, and the operation unit 11 of the inner shoji 2. The summoning bowl 20 has an indoor opening 26 formed on the indoor surface as described above, and an outdoor opening 25 formed on the outdoor surface. The lock unit 10 is inserted into the hollow portion 24 from the outdoor opening 25 of the summon bowl 20 and fixed. On the other hand, the operation unit 11 is inserted into the hollow portion 24 from the indoor opening portion 26 of the summoning bowl 20 and fixed, and the linkage portion 30 is linked to the extending piece 14 of the lock unit 10. As described above, since the lock unit 10 and the operation unit 11 which are unitized in advance are respectively inserted and fixed from the indoor / outer surface of the summoning basket 20, the attaching operation of the lock built-in lock can be facilitated.

  The configuration of the operation unit 11 will be described in more detail. FIG. 7 shows an exploded side view of the operation unit 11. As shown in this figure, the operation unit 11 includes a guide portion 16 and an operation portion 17 described above, a linkage portion 30 attached to the operation portion 17, and a lock that is attached to the operation portion 17 and performs a locking operation of movement of the operation portion 17. An operation unit 32 and a support component 33 for attaching the lock operation unit 32 to the operation unit 17 so as to be swingable are provided.

  The linkage part 30 is integrated with a plate-like extension part 31 extending in the vertical direction. The extension part 31 abuts on the inner surface of the hollow part 24 of the summoning bowl 20, and when the operation part 17 is slid up and down, it integrally moves up and down with the operation part 17 to guide the slide. In FIG. 8, the top view of the guide part 16 is shown. As shown in this figure, the guide portion 16 is formed with a substantially rectangular guide hole 16b at the center, and the linkage portion 30 is inserted into the guide hole 16b and integrated with the operation portion 17. Therefore, when the operation unit 17 is slid up and down, the linkage unit 30 is slid while being regulated in the guide hole 16 b of the guide unit 16. A pair of engaging recesses 16c are formed at the edge of the guide hole 16b formed in the guide part 16 with the guide hole 16b interposed therebetween.

  The lock operation unit 32 provided in the operation unit 17 is attached to the operation unit 17 by the support component 33 so as to be swingable about the shaft portion 32a. The shaft portion 32 a is provided on the side surface of the lock operation portion 32, and the one end side of the lock operation portion 32 can be pushed from the surface of the operation portion 17 by pressing the lock operation portion 32 from the indoor side. In addition, a projection-like engagement protrusion 32b is formed on the outdoor side surface of the lock operation portion 32, and the engagement protrusion 32b moves in the indoor / outdoor direction when the lock operation portion 32 is operated.

  FIG. 9 is a side view showing a state in which the operation unit 17 is slid to the upper end. This figure shows the state in which the operating portion 17 is slid to the upper end, and the hanging portion 13 is engaged with the receiving portion 5, that is, the inner and outer children 2 and 3 are locked. In this state, the engagement protrusion 32b of the lock operation portion 32 is in a position where it can be engaged with and disengaged from the engagement recess 16c of the guide portion 16, and the engagement protrusion 32b is engaged by swinging the lock operation portion 32. It can be set as the state engaged with the joint recessed part 16c. Thereby, the operation unit 17 is locked to the guide unit 16.

  In order to release the locked state of the operating portion 17 with respect to the guide portion 16, the upper portion of the locking operating portion 32 is pressed and swinged to release the engaged state of the engaging protrusion 32b with respect to the engaging recess 16c. Good. As shown in FIG. 5, when the operating portion 17 is slid downward to disengage the engaging portion 13 from the receiving portion 5, the lock operating portion 32 is unlocked, that is, the engaging protrusion 32b. Is disengaged from the engaging recess 16 c and the lower end protrudes from the operating portion 17. Further, when the operation unit 17 is slid to the lower end as shown in FIG. 3, the lock operation unit 32 is disposed at a position further below the lower end of the guide unit 16. Therefore, in this state, the lock operation unit 32 can be swung and pushed into the operation unit 17.

  Thereafter, when the operating portion 17 is slid upward, the engaging projection 32b of the lock operating portion 32 interferes with the guide portion 16, but an inclined surface portion 16d is formed at the lower end portion of the guide portion 16, Along with the slide operation of the operation portion 17, the tip end portion of the engagement protrusion 32b can ride on the guide portion 16 via the inclined surface portion 16d. As a result, the lock operation unit 32 swings and one end thereof protrudes from the operation unit 17. By providing the inclined surface portion 16d on the guide portion 16 in this way, it is possible to prevent the slide operation of the operation portion 17 from being hindered even if the lock operation portion 32 is operated at the time of unlocking.

  Next, a second embodiment of the present invention will be described. In the present embodiment, the operation unit 11 has a different configuration compared to the first embodiment. FIG. 10 shows a cross-sectional view of the vicinity of the summoning candy 20 in the sash having the candy built-in lock in the present embodiment. As shown in this figure, the glass insertion groove 23 and the hollow part 24 are formed in the summoning jar 20 of the inner shoji 2 and the summoning jar 20 of the outer shoji 3, respectively. Then, the lock unit 10 is housed in the hollow portion 24 of the inner shoji 2, and the operation unit 11 is attached to the indoor surface of the summon bowl 20. A receiving portion 5 is provided on the indoor surface of the external shoji 3.

  Since the structure of the receiving part 5 provided in the external shoji 3 and the lock unit 10 housed in the internal shroud 2 is the same as that of the first embodiment, the description is basically omitted. However, since the expected direction dimension of the sumo fold 20 of the shoji 2 is larger than that of the first embodiment, the extending piece 14 of the lock unit 10 is formed slightly longer than that of the first embodiment.

  An outdoor opening 25 is formed on the outdoor surface and an indoor opening 26 is formed on the indoor surface of the summon bowl 2 of the inner shoji 2, and the lock unit 10 is inserted from the outdoor opening 25 and is summoned 20. The guide portion 40 that is housed in the hollow portion 24 and that constitutes the operation unit 11 is attached to the indoor opening portion 26.

  In FIG. 11, the side view showing the internal structure in the summoning part of the inner shoji 2 and the outer shoji 3 is shown. This figure shows a state in which the hanging portion 13 is engaged with the receiving portion 5, that is, a state in which the inner limb 2 and the outer limb 3 are locked. FIG. 12 is a front view of the operation unit 11. As shown in these drawings, the operation unit 11 has a guide portion 40 attached to the indoor surface of the summon bowl 20 and an operation portion 41 attached to the extended piece 14 of the lock unit 10.

  The guide portion 40 has an opening surface 40 d that opens to the indoor side, and is attached to the indoor surface of the summoning bowl 20, thereby forming a concave region on the indoor surface of the summoning bowl 20. A convex wall portion 40a formed in a convex shape is formed on the bottom side facing the opening of the guide portion 40, and a slit-like insertion hole 40b is formed so as to extend over the convex wall portion 40a and its upper and lower portions. Is formed. The extending piece 14 provided in the hanging portion 13 of the lock unit 10 is inserted into the insertion hole 40b of the guide portion 40, and can be rotated from a position contacting the upper end to a position contacting the lower end.

  The operation unit 41 is formed of a small piece part that is housed in a concave region formed by the guide unit 40, and is connected to the end of the extended piece 14. FIG. 13 shows a side view and a bottom view of the operation unit 41. FIG. 13A is a side view of the operation unit 41, and FIG. 13B is a bottom view of the operation unit 41. As shown in FIG. 13 (a), the operation unit 41 has a front surface part 41c facing the indoor side, and a curved surface part 41b formed so that it can be operated by hooking a finger on the back side of the front surface part 41c. Yes. Moreover, it has the engaging part 41d engaged with the engaging hole 40c formed in the guide part 40. As shown in FIG.

  Furthermore, the region on the back side of the front surface portion 41c is formed in a substantially V-shaped cross section with the lower end surface as a tip, and is a pressing portion 41e that presses an opening / closing blade portion 42 described later. The lower end surface of the operation unit 41 has an area that is an inclined surface that is inclined downward from the front surface part 41 c toward the back surface side, and an area that is an inclined surface that is inclined upward on the back surface side, and is pressed. Of these, the portion 41e is formed in a region of an inclined surface that is inclined downward. In addition, a concave linking portion 41 a that can insert and hold the indoor end portion of the extending piece 14 is formed in the lower inclined surface of the operation portion 41 and inclined upward toward the back side. Yes.

  In the operation unit 41, the piece pieces 43 are rotatably provided on the left and right sides of the linkage unit 41a. The top piece 43 is attached to the extending piece 14 so that the end portion is accommodated in the concave portion 41f formed on the surface of the operation portion 41 where the linkage portion 41a is formed.

  As shown in FIG. 12, opening and closing blade portions 42 are provided at both ends of the opening surface 40 d of the guide portion 40 so as to cover a region below the position where the operation portion 41 is disposed. The left and right open / close blade portions 42 are provided, and are held on the side wall side of the guide portion 40 so as to be openable and closable toward the inside of the guide portion 40. Further, in this holding, the opening / closing blade portion 42 is biased in a direction to close the opening surface 40d. As shown in FIG. 11, an inclined surface portion 42 a that is inclined toward the inside of the guide portion 40 is formed at the upper end portion of the opening / closing blade portion 42.

  As shown in FIG. 12, in a state where the hanging portion 13 is engaged with the receiving portion 5, the operation portion 41 is disposed in the upper portion inside the guide portion 40. Moreover, the indoor surface is substantially flush with the open / close blade portion 42 in a closed state. The opening surface 40d of the guide portion 40 is open to the operation portion 41 and the upper end portion of the guide portion 40 in a state where the hook portion 13 is engaged with the receiving portion 5, and a finger is inserted through the opening portion to operate the operation portion. It can be operated to pull 41 forward.

  In FIG. 14, the side view showing the internal structure in the summoning part of the shingles 2 and the shingles 3 in the state which operated the operation part 41 to the lower end position is shown. As shown in this figure, when the operation part 41 is operated and pushed down, the hook part 13 rotates and the engagement state with respect to the receiving part 5 is released. That is, the inner shoji 2 and the outer shoji 3 are unlocked. Further, in this state, since the operation unit 41 is completely accommodated in the guide unit 40, the opening / closing blade unit 42 is closed by urging at the holding portion. As a result, the operation unit 41 is accommodated in a region within the guide unit 40 and closed by the opening / closing blade unit 42 so that it cannot be seen from the indoor side. In order to lock the inner shoji 2 and the outer shoji 3 from the open state, the finger can be inserted into the guide portion 40 to open the opening / closing blade portion 42 and operate to push up the front surface portion 41c of the operation portion 41. .

  As shown in FIG. 14, in a state where the hook portion 13 is disengaged from the receiving portion 5, the lock portion 15 c of the rotation lock portion 15 is inserted into the engagement hole 14 b formed in the concave portion 14 a of the extension piece 14. Placed in position. However, FIG. 14 shows a state in which the inner shoji 2 and the outer shoji 3 are closed. As described above, in this state, the rotation lock portion 15 is in contact with the contact portion 5 b of the receiving portion 5. The lock for the rotation of the hanging portion 13 is released.

  The operation of the rotation lock unit 15 will be described in more detail. In FIG. 15, the cross-sectional view of each summoning bowl 20 before and after opening / closing the inner shoji 2 and the outer shoji 3 is shown. FIG. 15A shows a state in which the inner shoji 2 and / or the outer shoji 3 are open, and FIG. 15B shows a state in which the inner shroud 2 and the outer shoji 3 are closed. As shown in FIG. 15A, the rotation lock portion 15 of the lock unit 10 is inclined with respect to the fixed base 12 in a state in which the inner and outer summoning tubs 20 are separated. As shown in FIG. 14, the rotation lock portion 15 includes a swing shaft portion 15 a that is swingably held by the fixed base 12 about the vertical direction, and extends from the swing shaft portion 15 a toward the receiving portion 5. It has a detector 15b and a lock 15c extending from the swinging shaft 15a toward the room side.

  The swing shaft portion 15a is elastically biased in the tilt direction shown in FIG. The detection unit 15b has a contact surface 15d that substantially faces the traveling direction of the inner impingement 2 at the tip, and the tip lock unit 15 abuts against the outdoor surface of the summoning bowl 20, so that the rotation lock unit 15 is It is in a state of stopping against energization. Further, the lock portion 15c of the rotation lock portion 15 has a substantially L-shaped tip. A recess 14a is formed in the extended piece 14, and an engagement hole 14b is formed in the bottom surface of the recess 14a as shown in FIG. In FIG. 15A, the distal end portion of the lock portion 15 c of the rotation lock portion 15 is engaged with the engagement hole 14 b of the extension piece 14. Thereby, the extension piece 14 cannot be rotated together with the hanging portion 13, and the operation portion 17 cannot be moved. That is, in FIG. 15A, the hanging portion 13 is in a locked state.

  The contact portion 5 b formed on the receiving portion 5 faces the traveling direction of the outer shingles 3 and faces the contact surface 15 d formed on the rotation lock portion 15 of the inner shroud 2. As shown in FIG. 14, the contact portion 5b is formed at a height different from that of the receiving portion 5, and interferes with the engagement portion 5a and the hook portion 13 in the contact and separation of the contact portion 5b and the contact surface 15d. Not to be. As shown in FIG. 15 (b), when the inner and outer obstacles 2 and 3 are closed, the contact part 5 b formed on the receiving part 5 comes into contact with the contact surface 15 d of the rotation lock part 15. Accordingly, the rotation lock portion 15 swings against the urging force of the swing shaft portion 15a, and the engagement of the lock portion 15c with the engagement hole 14b is released. As a result, the extending piece 14 can be rotated together with the hanging portion 13, so that the hanging portion 13 can be rotated to engage with the receiving portion 5 by the operation of the operation portion 17. . That is, in FIG. 15B, the hooking portion 13 is in the unlocked state.

  As described above, the abutment portion 5b facing the traveling direction of the external shoji 3 is provided on the side of the summon 20 so that the lock unit 10 provided on the summon 20 of the internal shroud 2 has the abutment portion. The rotation lock part 15 having a contact surface 15d facing 5b and a lock part 15c that engages and disengages with the extension piece 14 is provided. The rotation lock part 15 is in a direction in which the lock part 15c engages with the extension piece 14. The contact surface 15d is in contact with the contact portion 5b in a state where the inner and outer obstacles 2 and 3 are closed, and the rotation lock portion 15 swings to engage the extended piece 14 of the lock portion 15c. Since the joint is released, the rotation lock portion 15 locks the rotation of the hook portion 13 except when the inner shroud 2 and the outer shoji 3 are closed. The lock can be provided with a function to prevent emptying.

  Although the embodiment of the present invention has been described so far, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of the technical idea.

It is the front view which looked at the sash which has a lock | rock with a built-in bag in this embodiment from the indoor side. It is a cross-sectional view of a sash having a lock with a built-in bag. It is the side view showing the internal structure in the summoning part of a shoji and a shoji. It is a cross-sectional view of each summon bowl before and after opening and closing of the inner and outer shoji. It is the side view showing the intermediate state which made the operation part slide upwards. It is a disassembled cross-sectional view of a sumo candy summon bowl, a lock unit, and an operation unit. It is a disassembled side view of an operation unit. It is a top view of a guide part. It is the side view showing the state where the operation part was slid to the upper end. It is a cross-sectional view of the vicinity of the summoning sash in the sash having the sash built-in lock in the second embodiment. It is the side view showing the internal structure in the summoning part of a shoji and a shoji. It is a front view of an operation unit. It is the side view and bottom view of an operation part. It is the side view showing the internal structure in the summoning part of the inner and outer shoji of the state which operated the operation part to the lower end position. It is a cross-sectional view of each summon bowl before and after opening and closing of the inner and outer shoji.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame 2 Inner shoji 3 External guard 4 框 Built-in lock 5 Receiving part 5a Engagement part 5b Contact part 10 Lock unit 11 Operation unit 12 Fixed base 13 Hanging part 14 Extension piece 14c Pin part 15 Rotation lock part 15b Part 15c Lock part 15d Contact surface 16 Guide part 17 Operation part 20 Summing rod 24 Hollow part 25 Outdoor opening part 26 Indoor opening part 30 Linking part 30a Long hole 32 Lock operation part 32b Engagement protrusion

Claims (3)

In the lock prevention device of the lock that locks the locking operation in the state where the internal and external shoji is open, of the lock provided on the sumo shoji of the internal and external shoji among the internal and external shoji provided in the frame body,
The lock is provided with a hook that can be freely engaged with and disengaged from a receiving portion provided on the outer cover, and is provided on the hook in a state where the engagement of the hook with the receiving portion is released. A rotation lock portion that is swingably held so as to be engaged with and disengaged from the engagement portion, and an abutting portion that is provided on the indoor surface of the summoning pod of the outer panel and faces the traveling direction of the outer panel. Consists of
The rotation lock portion is urged and held in a direction that prevents the rotation of the hooking portion in a state of being engaged with the engaging portion of the hooking portion, and is substantially surfaced in the traveling direction of the inner shoji. A detecting portion having an abutting surface that is exposed to the outside of the summon bowl,
The contact portion faces the contact surface, and the contact surface of the detection portion contacts the contact portion by closing the inner and outer shoji, and the rotation lock portion swings against the bias. Then, the lock hanging prevention device is characterized in that the engagement of the hook with respect to the engaging portion is released so that the hook is rotatable.   The lock hanging prevention device according to claim 1, wherein the contact portion is formed in the receiving portion.   The lock has a fixed base portion that rotatably holds the hook portion, and the rotation lock portion has a swing shaft portion that is swingably held about the vertical direction on the fixed base portion, 3. The lock hanging prevention device according to claim 1, wherein the lock shaft is biased in an engagement direction with respect to the hanging portion.

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