JP5771588B2 - Door closing order adjustment device - Google Patents

Description

  The present invention relates to a door closing order adjusting device for closing two doors that are opened and closed in a double door manner in the order of closing.

  The invention described in Patent Document 1 has been proposed as this kind of closing order adjusting device. In the structure of this invention, when the front door (80) and the rear door (90) are opened, the rotary arm (15) retracted in parallel with the door opening upper frame (11) as shown in FIG. A rotating cam (60) for releasing the locked state while the rear closing door (90) is being closed and causing the rotating arm (15) to protrude from the door opening upper frame (11) to a certain angular position. However, it is considered that this is a known technique that is most similar to the present invention in that it is pivotally supported near the base end of the closed door (90).

Japanese Patent No. 3963858

  However, in the configuration of the known invention disclosed in Patent Document 1, when the front door (80) and the rear door (90) are completely closed, the tip (roller) of the rotating arm (15) is moved to the rear. Since it is held at a position in contact with the closed door (90), if both doors (80) (90) are opened from the closed state as shown in FIGS. The energized rotating arm (15) jumps out in an instant, and the retracted state of the rotating arm (15) when the doors (80) (90) are opened as shown in FIG. It cannot be obtained.

  Furthermore, the connecting portion (30) moving in parallel with the door opening upper frame (11) via the rotating cam (60) pressed by the rear closing door (90) as the closing of the rear closing door (90) proceeds. Since the engaging means (20) at the tip end is pulled away from the tip end (roller) of the rotating arm (15), both doors (80) and (90) as shown in FIGS. In the closed state, the rotating arm (15) is put into the retracted state so that the tip end (roller) of the rotating arm (15) is restrained from the front by the tip engaging means (20) of the connecting portion (30). Locking is impossible at all.

  Moreover, since the single pivot arm (15) is pivotally supported on the summing line (F) of the front door (80) and the rear door (90), both the doors (80) are provided. In the open state of (90), the pivot arm (15) will protrude the longest from the center part of the door opening upper frame (11), impeding the design of the doorway, and by collision with other objects There is also a risk of damage.

  The present invention aims to drastically solve such problems, and in order to achieve the object, according to claim 1, two double doors that rotate about a vertical axis are arranged in the order of closing. A closing order adjusting device attached to a door opening upper frame to be closed,

  Installed in a pressure-biased state that always projects forward from the door opening upper frame by a preset angle, and in a retreating direction that is pushed down from the front by the proximal end of the front door or the rear door. A rotating pilot arm for detecting the start of closing that is to be rotated;

  Similarly, it is installed in a pressure-biased state that always protrudes forward from the upper frame of the door opening by a preset angle, so that the closed door and the closed door can be received once in the closing order, and from the front when the door is closed A pair of left and right pivot arms for pivoting in the retracted direction to be pushed down, or a single door closing pivot arm positioned substantially on the summing line of the doors;

  A linear slide along the left-right direction of the door opening upper frame is operatively connected to the one or a pair of left and right closed door receiving pivot arms. A slide bar of the required length to be converted into motion,

  When the pivot pilot arm is pushed down when the first door or the rear door is closed, the slide bar is slid in the direction in which the pivot pilot arm exists, while the slide bar slides when both doors are opened. A locking means for keeping the pivot arm in a prone state by preventing

  When the pivot pilot arm is pushed down at the time of starting the closing of the first closed door or the rear closed door, the slide bar slides in the direction in which the pivot pilot arm exists, so that the pivot arm protrudes forward. , Once receive the closed door and the closed door in the order of closing,

  The opening of the rear closing door in the closed state causes the rotating pilot arm to protrude forward, but the rotating arm is re-adjusted by the sliding preventing action of the locking means. It is characterized in that the relationship is set so as to remain in a depressed state until it is pushed down.

  According to a second aspect of the present invention, the rotation pilot arm for detecting the start of the closing door is made smaller than the rotating arm for receiving the closing door, the base end portion of the front door or the rear closing door in the upper frame of the door opening, and the link arm of the door closer It is characterized by being mounted in a storage state in a mutual gap with the mounting bracket.

  According to a third aspect of the present invention, the base end portion of the lock arm serving as the lock means for the slide bar and the base end portion of the closing pilot for detecting the start of the closing door are vertically arranged in the common forward-opening U-shaped sensing unit case. Pivot around the axis,

  While the tip of the lock arm is used as a latching claw on one end of the slide bar on the side where the rotating pilot arm is present, the end of the slide bar is urged and urged at all times.

  A first locking claw that can be engaged with and disengaged from a vertical transmission pin penetrating the middle part of the lock arm, and a second engagement that can be engaged and disengaged with a rotating piece integrally protruding from the base end of the rotating pilot arm. A plate cam provided with a pawl is pivotally attached to the inside of the sensing unit case so as to be rotatable around a vertical axis,

  The plate cam is provided with an elastic biasing force in a direction in which the first locking claw is separated from the transmission pin of the lock arm and in a direction in which the second locking claw is locked with the rotating piece of the rotating pilot arm,

  When the pivot pilot arm pivots in a direction protruding from the sensing unit case, the lock bar slide bar locking pawl is in a locked state to receive the one end of the slide bar,

  Similarly, when the rotating pilot arm is rotated in the direction to be pushed down from the front, the rotating piece is engaged with the second engaging claw of the plate cam, and the plate cam is engaged with the first engaging claw and the lock arm. The slide bar locking claw of the lock arm is set so as to be separated from the one end of the slide bar by rotating in one direction in which the transmission pin is locked.

  Furthermore, in claim 4, the rotation pilot arm for detecting the start of closing the door has a U-shaped outer arm pivotally mounted around the vertical axis inside the U-shaped sensing unit case that opens forward, and the outer arm Shape from the inner arm that can slide in the frame,

  By attaching and fixing the inner arm to the outer arm with an adjusting screw penetrating the slide guide long hole formed in the outer arm,

  By moving the inner arm back and forth along the long slot of the slide guide, the contact position between the cushion roller pivotally supported at the tip and the front closing door or the rear closing door, the turning radius and thickness of the door, etc. It is characterized in that it can be adjusted and set according to changes in

  According to the above configuration of the first aspect, in the door closing order adjusting device, when the turning start sensing rotation pilot arm is pushed down at the time of starting the closing of the first door or the rear closing door, the slide bar is moved along the upper frame of the door opening. Locking means is provided to keep the turning arm for receiving the closed door in a prone state by sliding the slide arm linearly in the direction in which the pilot arm exists while preventing the sliding movement of the slide bar when both doors are opened. In particular, even if the closed door is opened after the closed state, even if the pilot arm protrudes forward from the upper frame of the door opening, the rotating arm is prevented by the sliding prevention action of the locking means. Until the pilot arm is pushed down again. In addition, as a result, a configuration in which one long rotating arm as shown in the modified embodiment of FIGS. 57 to 59 is pivotally supported on almost the summing line of both doors can be achieved. There is an effect that can be adopted without hindrance.

  In that case, if the structure of Claim 2 is employ | adopted, when the door is open | released, the said door opening start detection rotation pilot arm which protrudes ahead from a door opening upper frame is made into the right and left of the said door closing rotation arm. As a smaller product than a pair, install in a compact storage state in a narrow mutual gap between the pivot base end of the front door or rear door in the upper frame of the door opening and the link arm mounting bracket of the door closer It is possible to obtain excellent designability and safety.

  In particular, if the configuration of claim 3 is adopted, the lock pilot arm for detecting the start of closing of the door, the lock arm serving as the lock means (slide prevention means) of the slide bar, and the pilot arm and the lock arm are detachably engaged with each other. By installing a plate cam etc. to stop in one common sensing unit case, it can be formed as a closed door start sensor unit, and maintenance and inspection work of the closed door start sensor unit and installation work to the door opening upper frame, etc. It is easy and convenient.

  Furthermore, if the structure of Claim 4 is employ | adopted, the cushion roller which exists in the front-end | tip part of the rotation pilot arm for door closing start detection will be advanced / retracted toward the base end face of the front door or the rear door. Thus, positioning can be adjusted to ensure contact with the base end face of the base end, and it is excellent in adaptability to various doors having different turning radii, thicknesses, and the like.

It is a top view of the door to which the door closing order adjusting device according to the present invention is applied. FIG. 3 is a front view of FIG. 2. FIG. 3 is a partially enlarged side view of FIG. 2. It is a top view which shows the open state of a door. It is a top view which shows the closed state of a door. It is a top view which extracts and shows a closing start detection unit. FIG. 7 is a front view of FIG. 6. FIG. 7 is an enlarged perspective view of FIG. 6. It is a top view which shows the state which the rotation pilot arm protruded ahead from FIG. FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 6. It is sectional drawing of the state which extended the inner arm of the rotation pilot arm from FIG. FIG. 12 is a cross-sectional view taken along line 12-12 in FIG. 6. It is a top view which shows the attachment state of the locking means for slide bars extracted from FIG. FIG. 14 is a front view of FIG. 13. It is a top view which extracts and shows the detection unit case of a closing start detection unit. FIG. 16 is a front view of FIG. 15. It is a top view which similarly extracts and shows a lock arm. It is a front view of FIG. It is a top view which extracts and shows a plate cam. FIG. 20 is a front view of FIG. 19. It is a top view which extracts and shows a rotation pilot arm. It is a front view of FIG. It is a top view which extracts and shows the outer arm of a rotation pilot arm. It is a front view of FIG. It is a top view which similarly extracts and shows an arm action | operation piece. FIG. 26 is a front view of FIG. 25. It is a top view which extracts and shows the inner arm of a rotation pilot arm. It is a front view of FIG. It is an enlarged plan view which extracts and shows the receiving operation unit for front-closing doors. It is a top view which shows the state which the rotation arm protruded ahead from FIG. FIG. 30 is a front view of FIG. 29. It is an enlarged plan view which extracts and shows the receiving operation unit for rear closing doors. It is a top view which shows the state which the rotation arm protruded ahead from FIG. It is a front view of FIG. It is a top view which extracts and shows the arm operation piece of a rotation arm. FIG. 36 is a front view of FIG. 35. It is a top view which similarly extracts and shows a rotation angle adjustment piece. FIG. 38 is a front view of FIG. 37. It is a top view which extracts and shows the slide bar for door start detection units. FIG. 40 is a front view of FIG. 39. It is a top view which extracts and shows the rear-closing door receiving operation unit slide bar. It is a front view of FIG. It is a top view which extracts and shows the slide bar for front closing door receiving operation units. FIG. 44 is a front view of FIG. 43. It is a top view which extracts and shows an extension bar. It is a front view of FIG. It is a top view which extracts and shows a relay bar. It is a front view of FIG. It is a top view for demonstrating the effect | action of a door closing order adjustment apparatus, and has shown the open state of the door. FIG. 50 is a plan view of the door closing start state following FIG. 49. It is a top view which shows the once received state of the door following FIG. It is a top view which shows the closed state of the front-closing door following FIG. It is a top view which shows the closed state of the rear closing door following FIG. It is operation | movement explanatory drawing of the process pushed down from the protrusion state of a rotation pilot arm. It is an operation explanatory view of the process in which the rotation pilot arm is similarly extended from the prone state. It is a top view corresponding to FIG. 1 which shows the deformation | transformation embodiment of a closing order adjustment apparatus. FIG. 50 is a plan view corresponding to FIG. 49 showing another modified embodiment of the door closing order adjusting device. FIG. 58 is a plan view showing a once received state of the door following FIG. 57. It is a top view which shows the closed state of the door following FIG.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings. As will be apparent from the overall mounting state shown in FIGS. 1 to 5, the door closing order adjusting device starts closing the rear closing door (D2). As with the sensing unit (S), the rear closing door (D2) receiving operation unit (A2), the front closing door (D1) receiving operation unit (A1), and these units (S) (A2) (A1) group as a whole And a slide bar (B) interlockingly connected in a straight line state as a main constituent member.

  And the main structural member of such a door closing order adjusting apparatus is the front (front) which opens to the inside of the horizontal U-shaped groove | channel (11) lined up along the lower part of the door opening upper frame (10). It is attached and fixed in the storage state from the side.

  The rear closing door (D2) and the front closing door (D1) are pivotally attached to the vertical door opening side frame (12) via pivot hinges (13), respectively. Rotating around the vertical axis opens and closes the entrance / exit (passage). (14) is a door closer attached and fixed to each of the rear closed door (D2) and the front closed door (D1), and presses and urges each door (D2) (D1) in the closing direction. (15) is the link arm mounting bracket of the door closer (14) to the lower surface (ceiling surface) of the door opening upper frame (10), and (YY) is the rear closed door (D2) and the front closed door (D1). The summon line is shown.

  In addition, although the two of the rear closing door (D2) and the front closing door (D1) shown in FIGS. 1 and 2 have the same width dimension as a pair of left and right, the width dimensions are different. Even if it is a parent-child door like FIG. 4, 5, the door closing order adjustment apparatus of this invention can be applied and implemented as it is without trouble.

  Among the main members constituting the door closing order adjusting device, first of all, the closing start detection unit (S) of the rear closing door (D2) will be referred to as the rear closing door receiving operation unit (A2) and the front closing door receiving unit. As a smaller product than the operating unit (A1), the base end of the rear closed door (D2) in the groove (11) of the door opening upper frame (10) and the link arm mounting bracket (14) of the door closer (14) 15) and a narrow mutual gap (for example, a space having a width of about 40 mm and a length of about 90 mm) in a housed state.

  FIGS. 6 to 28 are enlarged views showing the closed door start detection unit (S) of the closed door (D2), and the detection unit case (16) incorporating the same is formed from a metal plate (stainless steel plate) to the door. It is bent into a flat U-shape with a size (for example, width: about 70 mm × height: about 14 mm × depth: about 25 mm) that fits in the groove (11) of the upper frame (10), and its width direction ( A narrow U-shaped mounting bracket (17) and a plurality of countersunk screws (18) facing one half of the left-right direction forward to the rear surface of the U-shaped groove (11) in the door opening upper frame (10). It is fixed from the mounting. (19) is a reinforcing washer welded to the back surface of the groove (11), and has a screw hole for receiving the countersunk screw (18).

  Further, (20) is a lock arm pivotally attached via a vertical lock arm spindle (21) penetrating the other half of the width direction (left and right direction) of the sensing unit case (16). The tip of the metal plate (stainless steel plate) is cut out as a slide bar locking claw (22) capable of receiving one end of a slide bar (B) described later.

  (23) is a vertical transmission pin that penetrates the middle part of the lock arm (20), and rotates together with the lock arm (20) with the lock arm support shaft (21) as a pivot point. (24) is a wrap spring for a lock arm return wound around one end of the lock arm spindle (21), one end of which is on the back wall surface of the sensing unit case (16) itself, and the other end remaining By being locked to the transmission pin (23) of the lock arm (20), the slide bar locking claw (22) of the lock arm (20) is always received in one end of the slide bar (B). It is urging the back (backward direction).

  (25) is a first locking claw (26) that is detachably locked to the transmission pin (23) of the lock arm (20), and a second lock that is detachably locked to an arm operating piece to be described later. It is a metal plate cam provided with a pawl (27), and is pivotally pivoted by a vertical cantilever support shaft (28) integrally projecting inward from the sensing unit case (16). Yes. (29) is a vertical spring receiving pin protruding from the vicinity of the first locking claw (26) in the plate cam (25).

  (30) is a leaf cam return wrap spring wound around the other end of the lock arm spindle (21), and the other end remains on the front wall of the U-shaped mounting bracket (17) itself. Since the end portions of the plate cams (25) are respectively locked to the spring receiving pins (29), the first locking claws (26) of the plate cams (25) are always transmitted to the lock arm (20). Similarly, the second locking claw (27) of the plate cam (25) is always locked with a later-described arm operating piece in the direction away from the pin (23) (the direction of releasing the locking) (the opposite direction of FIG. The pressure is urged in the clockwise direction (R).

  In this case, the tension of the wrap spring (24) for the lock arm return is set to be stronger than the tension of the wrap spring (30) for the plate cam return. The claw (22) receives one end of the slide bar (B) and can keep the slide bar (B) in a locked state where it does not slide.

  Further, (31) is a rotating pilot arm that forms the closing start detection unit (S) of the rear closing door (D2), and the width direction (left-right direction) of the U-shaped outer arm (31a) opening rearwardly is indicated. One end portion (base end portion) of the sensing unit case (16) passes through the vertical pilot arm support shaft (32) passing through the detection unit case (16) in parallel with the lock arm support shaft (21). Is pivotally attached to the front side position of the lock arm (20).

  (33) is an arm operating piece that is attached and integrated to one end (rotation base end) of the outer arm (31a) by a plurality of fixing pins (34), and is located immediately before the plate cam (25). The rotating piece (35) continuously extending obliquely backward from the arm operating piece (33) is detachably connected to the second locking claw (27) of the plate cam (25). The plate cam (25) is rotated in the clockwise direction (F) of FIG. 9, and the slide bar locking claw (22) of the lock arm (20) is extended to the slide bar (B). The slide bar (B) can be slid in the presence direction (P) of the door closing start detection unit (S) (left direction in FIG. 50).

  In addition to the outer arm (31a) bent from a metal plate (stainless steel plate) into a U-shape, the rotating pilot arm (31) of the door closing detection unit (S) has a width direction of the outer arm (31a). It also has an elongated U-shaped inner arm (31b) that can slide along the (left-right direction). The inner arm (31b) is bent from the same metal plate (stainless steel plate) into a narrower U shape than the outer arm (31a).

  (36) is a screw receiving block built in one end portion (bending base end portion) of the inner arm (31b), and is made of a thick metal plate (stainless steel plate), which is the outer arm (31a). A plurality of adjusting countersunk screws (37) screwed through a plurality of screw receiving holes (buck holes) (38) distributed on the corresponding upper surface of the inner arm (31b) from a slide guide long hole (37) opened on the upper surface of the inner arm (31b). 39) and fixed to the inner arm (31b).

  A cushion roller (40) for receiving the rear closing door (D2) is pivotally attached to the other end portion (tip portion) of the inner arm (31b) by a vertical roller support shaft (41). Yes. Therefore, the adjusting countersunk screw (39) is once relaxed, and the inner arm (31b) on which the cushion roller (40) is pivotally supported at the distal end is used as the slide guide slot in the outer arm (31a). By moving forward and backward in the width direction (left-right direction) as shown in FIGS. 10 and 11 along (37), the middle cushion roller (40) and rear closing door (D2) of the rotating pilot arm (31) The contact position (reception contact of the rear closing door) can be adjusted and set accurately in advance. Even if there is a change in the turning radius or thickness of the rear closing door (D2), versatility, on-site workability and convenience that can be easily handled can be obtained.

  (42) is a vine spring wound around a vertical pilot arm support shaft (32) pivotally supporting the outer arm (31a) of the rotating pilot arm (31), and the vine for the lock arm return It has a tension stronger than the tension of the winding spring (24), one end of which is locked to the front wall surface of the outer arm (31a), and the other end is locked to the side wall surface of the sensing unit case (16) itself. As a result, the rotating pilot arm (31) is constantly urged and biased in a direction (forward) protruding from the sensing unit case (16). (Θ) indicates a set turning angle of the turning pilot arm (31) projecting forward from the sensing unit case (16).

  FIG. 49 shows a rotating pilot arm (31) of the door closing detection unit (S) that protrudes forward to the position of the set rotation angle (θ) in response to the elastic biasing force of the spiral spring (42). The door closes toward the base end of the rear closed door (D2) in the open state, and is gradually pushed down from the front as the closed door (D2) is closed. 16), while the rear closing door (D2) is opened from the closed state, it gradually protrudes forward from the sensing unit case (16). .

  Next, the receiving operation unit (A1) of the front closing door (D1) and the receiving operation unit (A2) of the rear closing door (D2) are extracted and shown in FIGS. As is clear from comparison with FIGS. 32 to 34, the entire configuration except for only the set rotation angle adjustment component of the rotation arm, which will be described later, has substantially the same configuration.

  For this reason, the common members are denoted by the same reference numerals, and in FIGS. 29 to 38, (43) is formed from a metal plate (stainless steel plate) to the groove (11) of the door opening upper frame (10). It is a working unit case that is folded into a flat U-shape with a size that fits (for example, width: about 160 mm x height: about 14 mm x depth: about 25.5 mm), and both ends in the width direction (left-right direction) face each other. A pair of end caps (44) made of L-shaped metal plate pieces and countersunk screws (45) are attached and fixed from the front to the rear surface of the U-shaped groove (11) in the door opening upper frame (10). Yes. (46) is a reinforcing washer having a screw hole for receiving the countersunk screw (45), which is also welded to the back surface of the groove (11).

  (47) is an elongated rectangular tube-shaped turning arm extending in the width direction (left-right direction) in the frame of the operation unit case (43), and is a vertical penetrating through one end (base end) thereof. Is pivotally attached to the operating unit case (43) by a pivot arm spindle (48).

  (49) rotates together with one end (rotation base end) of the rotating arm (47) together by the rotating arm support shaft (48) and a plurality of separate fixing pins (50). The arm operating piece is attached and integrated so as to be obtained, and has a circular arc side surface (51) which is the same as that of the rotating arm (47) at the rotating base end. The arc side surface (51) is in a form of drawing a constant turning radius from the turning arm support shaft (48).

  Moreover, the front end portion of the arc side surface (51) that forms the rotation base end portion of the arm operation piece (49) is in a stepped state as a rotation stopper (52) that is received by a rotation angle adjustment piece described later. In addition to being shaped, a rotating protrusion (53) is projected continuously and obliquely rearward from the middle part of the arc side surface (51), and the rotating protrusion of the arm operating piece (49). The child (53) is operatively connected to a later-described convex receiving groove of the slide bar (B) so that the slide bar (B) can be slid in the left-right direction.

  Similarly, (54) is a cushion roller pivotally attached to the other end portion (tip portion) in the rotation arm (47) via a vertical roller support shaft (55). The door (D1) or the rear closing door (D2) is received.

  (56) is a vine spring wound around the pivot arm spindle (48), one end of which is on the rear wall of the pivot arm (47) itself and the other end is the operating unit case. Each of the rotating arms (47) protrudes from the always-on unit case (43) (forward) by being locked to the spring receiving pieces (57) protruding inward from the lower surface of (43). The repression is energized.

  As a result, the rotating protrusion (53) of the arm operating piece (49) that can be rotated together with the rotating arm (47), the slide bar (B) is always connected to the door closing start sensing unit (S). ) In the presence direction (P) (left direction in FIG. 50).

  (Α1) and (α2) indicate the set turning angle of the turning arm (47) projecting forward from the operation unit case (43), and the front closing door (D1) or the rear closing door (D2) is closed. As it is done, it is gradually pushed down from the front, and is immersed (withdrawn) into the inside of the operation unit case (43).

  The configuration described with reference to FIGS. 29 to 38 is common to the front closing door receiving operation unit (A1) and the rear closing door receiving operation unit (A2). Then, only for the operation unit case (43) of the rear closing door receiving operation unit (A2) side, the set rotation angle (α2) of the rotation arm (47) projecting forward from the operation unit case (43). As shown in FIGS. 32 to 34, necessary parts for adjusting or setting a large or small are also installed.

  (58) is a rotation angle adjusting piece (nut) for this purpose, and is installed in a non-rotatable clamping state inside the operation unit case (43). A distal end portion of the piece (49) that faces the rotation base end portion is in contact with the arc side surface (51) of the arm operation piece (49).

  (59) is an attachment fixing countersunk screw (45) to the door opening upper frame (10) from the end cap (44) at one end (the rotation base end side of the rotation arm) of the operation unit case (43). These are turning angle adjusting countersunk screws which are inserted in parallel and are screwed and fastened so as to pass through the turning angle adjusting piece (58).

  Reference numeral (60) denotes a screw receiving hole (bucker hole) that opens to the end cap (44). A tool (not shown) is inserted from the end cap (44), and the turning angle adjusting countersunk screw (59) is rotated. Then, the rotation angle adjusting piece (58) can only move linearly back and forth along the axial direction (front-rear direction) of the countersunk screw (59).

  In this case, since the urging force is constantly applied to the rotating arm (47) from the operating unit case (43), the arc of the arm operating piece (49) rotating integrally with the rotating arm (47). The rotation stopper (52) provided on the side surface (51) is in a locked state in which the rotation stopper (52) is always locked with the tip of the rotation angle adjusting piece (58) and received by the tip.

  As a result, by rotating the turning angle adjusting countersunk screw (59) and linearly moving the turning angle adjusting piece (58) back and forth, the rear closing door receiving operation unit The set turning angle (α2) of the turning arm (47) of (A2) projecting forward from the operating unit case (43) can be adjusted to be larger or smaller as desired.

  (61) is a compression coil spring that keeps the rotation angle adjusting piece (58) in a loosening-prevented state, and has a large head and a rotation angle adjusting piece (58) in the rotation angle adjusting countersunk screw (59). The spring receiving groove (62) is wound between the front and rear.

  Note that the end cap (44) in which the receiving hole (bucker hole) (60) of the turning angle adjusting countersunk screw (59) is opened, and the arm on which the rotation stopper (52) is formed on the arc side surface (51). The operating piece (49) can be used as it is not only for the rear closing door receiving operation unit (A2) but also for the front closing door receiving operation unit (A1), so as to demonstrate compatibility and improve mass production effects. Useful.

  Further, the slide bar (B) includes a closing start detection unit (S) for the rear closing door (D2), a receiving operation unit for the rear closing door (A2), and a receiving operation unit for the first closing door (A1) on the door opening. As long as it can be interlocked and connected to the overall linear state along the frame (10), it is okay to use one long one, but the slide bar (B) itself is shortened to a compact size for packaging, transportation, handling, etc. In order to be able to cope with the change in any combination of the two doors having different width sizes, the above slide bar (B) is used as a sensing unit slide bar ( It is preferable to divide into at least three of B1) and the slide bars for both operation units (B2) and (B3) and to detachably connect them. In this regard, in the illustrated embodiment, an extension bar (B4) that can extend the slide bars (B2) and (B3) for both operating units and a relay bar (B5) that connects the extension bars (B4) are also used.

  In the illustrated embodiment, one end portion of the slide bar (B) mentioned above means one end portion (left end portion in FIGS. 4 and 5) of the sensing unit slide bar (B1), and this is the above-mentioned closing start detection. In the sensing unit case (16) of the unit (S), the locking arm (20) is in a locked state in which it is pressed against the back surface of the sensing unit case (16) by the slide bar locking claws (22). Similarly, the other end (right end) of the sensing unit slide bar (B1) is a superposed piece (64) having a screw receiving long hole (63) as shown in FIGS. It is bent so that it can be polymerized with the bar (B2).

  The rear closing door receiving operation unit slide bar (B2) penetrates the operation unit case (43) along the width direction (left and right direction), and one end portion (left end portion) of the slide bar for the sensing unit ( B1) is polymerized with the polymerized piece (64) and is connected by a plurality of fixing screws (65), while the other end (right end) of the slide bar (B2) also has a plurality of dowels (66). It is integrated by caulking.

  Further, the middle portion of the rear closing door receiving operation unit slide bar (B2) facing the inside of the operation unit case (43) is thickened by welding a reinforcing washer (67) as shown in FIGS. The convex receiving groove (68) cut out in the thick part of the rotating arm (47) of the rotating arm (47) forming the receiving operation unit (A2) of the rear closing door (D2). Although it is in an active pivotally connected state (engaged state) with the child (53), it can be easily attached and detached because it does not involve a connecting pin. Reference numeral (69) denotes a pair of left and right screw receiving long holes for receiving and fixing the counter screw (45) for mounting and fixing the operating unit case (43) to the door opening upper frame (10), which is also a slide for the rear closing door receiving operating unit. It is cut out in the middle of the bar (B2).

  On the other hand, the slide bar (B3) for the closed door receiving operation unit also penetrates the operation unit case (43) along the width direction (left and right direction), and a plurality of dowels (left end portion) are provided at one end portion (left end portion). 70) is integrated by caulking, and a pair of left and right screw receiving long holes (71) are cut out at the other end (right end) and midway, so that the door opening upper frame (10) is actuated. The flat screw (45) for fixing the unit case (43) is received.

  The middle part of the slide bar (B3) for the front closing door receiving operation unit facing the inside of the operation unit case (43) is also thickened by welding the reinforcing washer (72) as shown in FIGS. The convex protrusion (73) of the pivot arm (47) in which the convex receiving groove (73) cut out in the thick part forms the receiving operation unit (A1) of the closed door (D1). 53) is also in an active pivot connection state (detachable engagement state).

  The extension bar (B4) of the slide bar (B2) for the rear closing door receiving operation unit and the extension bar (B4) of the slide bar (B3) for the front closing door receiving operation unit are the same as those shown in FIGS. In this way, a plurality of dowel-receiving holes (buck holes) (74) are distributed at one of the left and right ends, and a plurality of screw holes (75) are distributed at the other end.

  Therefore, by inserting the dowel receiving hole (74) of the extension bar (B4) into the dowels (66) and (70) of the slide bars (B2) and (B3) for both the operation units so as to be freely inserted and removed from the front, Both the operating unit slide bars (B2) and (B3) can be extended. Reference numerals (76) denote fixing screws that are screwed into the dowels (66) and (70), respectively.

  Further, a pair of left and right screw receiving long holes (77) as shown in FIGS. 47 and 48 are formed at both ends of the relay bar (B5), from which the sliding doors (B2 for both door operation units) are formed. ) Connecting the two operating unit slide bars (B2) and (B3) by screwing the fixing screws (78) from the front into the screw holes (75) of the extension bar (B4) extending from (B3). Can do.

  In that case, the screw receiving elongated holes (63), (69), (71), (77) are formed in the sensing unit slide bar (B1), the operating unit slide bars (B2) (B3) and the relay bar (B5), respectively. ) Is formed, the connecting length required to slide in the left-right direction as the slide bar (B) may be adjusted based on this.

  In any case, a plurality of the door closing start detection unit (S) of the rear closing door (D2), the rear closing door receiving operation unit (A2), and the front closing door receiving operation unit (A1) connected so as to be interlocked. The bars (B1), (B2), (B3), (B4), and (B5) of the book are located at the lower part of the door opening upper frame (10), as is apparent from FIGS. It extends in the width direction (left-right direction) along the rear surface of a certain groove (11).

  49 to 53 are plan views showing the operation of the closing order adjusting device, and in the state shown in FIG. 49 in which the front closing door (D1) and the rear closing door (D2) are opened, the closing door (D2) is thereafter opened. When the rotation pilot arm (31) in the closed door start detection unit (S) receives the urging force of the spiral spring (42), only the preset rotation angle (θ) from the detection unit case (16) is obtained. It protrudes forward and is in an approach position aiming at the base end face of the rear closed door (D2).

  Moreover, as apparent from FIG. 54 (a) in which the door closing start sensing unit (S) in the initial state is extracted and enlarged, the latch claw for the slide bar of the lock arm (20) in the sensing unit (S). (22) receives one end of the sliding bar (B1) for the sensing unit during the sliding bar (B), and the sliding bar (B1) is in the direction (P) where the sensing unit (S) is present (see FIG. 50 and 54 are kept in a locked state that does not slide in the left direction.

  49. When the rear closing door (D2) starts to close as shown in FIG. 50 from the initial state of FIG. 49, the pivot pilot arm of the closing start detection unit (S) is then moved by the base end face of the closing door (D2). (31) will turn in the direction of being gradually pushed down from the front.

  Then, as is apparent from FIGS. 54 (B) to (D) in which the closing start detection unit (S) in the process is extracted and enlarged, the arm operating piece attached to and integrated with the rotating pilot arm (31). The rotating piece (35) of (33) is locked to the second locking claw (27) of the plate cam (25), and the plate cam (25) is moved to the timepiece of FIGS. The slide bar locking claw (22) of the lock arm (20) is moved away from one end of the slide bar (B1), and the receiving lock at one end thereof is rotated. Release the state.

  As a result, the turning protrusions of the arm operating pieces (49) attached and integrated with the turning arms (47) of the first closing door receiving operation unit (A1) and the rear closing door receiving operation unit (A2), respectively. (53) and the slide bar (B2) (B3) for both operating units of the slide bar (B), which are operatively connected to each other via the convex receiving groove (68). When the sliding arm (47) slides in the presence direction (P) of the door closing detection unit (S) as shown in FIG. (47) protrudes forward from the operating unit case (43) by a predetermined set rotation angle (α1) (α2), and continues to the front closed door (D1) and the rear closed door as shown in FIG. (D2 ) Can be received.

  In such a receiving state, the rotating pilot arm (31) of the closing start sensing unit (S) is pushed down by the rear closing door (D2) as shown in FIG. ) Is almost completely immersed (withdrawn) into the interior.

  Further, from the state of FIG. 51 where the front closing door (D1) and the rear closing door (D2) are respectively received by the rotating arms (47) of the receiving operation units (A1) (A2) corresponding to each other. When the tip closing door (D1) is closed as shown in FIG. 52, as the turning arm (47) turns, the turning protrusion (53) of the arm operating piece (49) protrudes. The slide bars (B2) (B3) in an active pivotally connected state through the child receiving concave groove (68) are moved from the door closing start sensing unit (S) as shown by an arrow (Z) in FIG. The slide bar locking pawl (22) of the lock arm (20) that slides in the direction of separation (rightward) and that receives the urging force of the vine spring (24) in the sensing unit (S) As apparent from the enlarged view of FIG. , And thus to receive the one end of the slide bar (B1).

  Such a receiving lock state of the slide bar (B1) is maintained in the same manner even when the rear closing door (D2) is continuously closed as shown in FIGS. As a result, even if the first closed door (D1) and the rear closed door (D2) are opened from the closed state shown in FIG. 53 to the initial state shown in FIG. 49, the doors (D1) and (D2) are received. The rotating arm (47) in the units (A1) and (A2) is not likely to protrude forward from the operating unit case (43), and is kept in an immersive (retracted) state.

  Only the rotating pilot arm (31) of the door closing detection unit (S) is moved from the sensing unit case (16) as shown in FIGS. 55 (C) and (D) as the door (D2) is opened. Then, it protrudes forward and returns to the initial state as shown in FIG. Therefore, coupled with the fact that the closing start detection unit (S) is a small product, the design of the doorway when the doors (D1) and (D2) are opened is obstructed, or the rotating arm (47) There is no risk of damage due to collision with other objects.

  In the case of the above-described embodiment described with reference to FIGS. 1 to 55, the closing start detection unit (S) is used as the rear closing door (D2), and the rear closing in the groove (11) of the door opening upper frame (10) is performed. The base end portion of the door (D2) and the link arm mounting bracket (15) of the door closer (14) are attached and fixed in a narrow mutual gap, but the direction in which the rotary pilot arm (31) is pushed down is fixed. The turning action is converted into a linear sliding motion (sliding in the direction in which the door closing detection unit is present) along the horizontal direction (width direction) of the slide bar (B). Both the turning arms (47) of the closing door receiving operation unit (A1) and the rear closing door receiving operation unit (A2) project forward, and the front closing door (D1) and the rear closing operation are performed. If it becomes a state which can each receive (D2), as shown in the modified embodiment of FIG. 56 substantially corresponding to FIG. 1, the door closing start detection unit (S) is set as that of the first closed door (D1). Similarly, it is housed in a narrow mutual gap between the base end of the closed door (D1) in the groove (11) of the door opening upper frame (10) and the link arm mounting bracket (15) of the door closer (14). The rotation pilot arm (31) may be attached and fixed in a state, and the relationship may be set so that the front closed end of the door (D1) is pushed down from the front.

  1 to 55 and the modified embodiment of FIG. 56, the receiving operation unit (A1) of the front closing door (D1) and the receiving operation unit (A2) of the rear closing door (D2) are arranged in parallel. If installed, but the door closing order of both doors (D1) and (D2) is literally correctly controlled, as shown in another variant embodiment of FIGS. 57 to 59 corresponding to FIGS. The door (D1) (D2) has only one receiving operation unit (A), and the one long rotating arm (47) is moved by the rotating arm support shaft (48) to both doors (D1) (D2). Is pivotally mounted on the almost summing line (Y-Y) of the door, and the rear closing door (D2) is received by the cushion roller (54) forming the tip of the rotating arm (47). While closing the closing door (D1), Closed by the closing of the door (D1) by pushing the rotating arm (47), a rear closing door (D2) may also be employed a configuration in which closed.

  Even if such a door (D1) (D2) is a single actuating unit (A) that can be received at the same time, other configurations are substantially the same as those illustrated in FIGS. The same operation unit (A) and the rear closing door (D2) or the closing start detection unit (S) of the front closing door (D1) are in a straight line state through a relatively short slide bar (B). When the doors (D1) and (D2) are opened, the pivot arm (47) does not protrude forward from the operation unit case (43), and is kept in the immersive (retracted) state. Therefore, it is possible to achieve the same effect as that of the above-described embodiment of FIGS.

  In that case, one actuating unit (A) includes the above-mentioned rotation angle adjusting piece (nut) (58), a rotation angle adjusting countersunk screw (59), a compression coil spring (61) and the like for a rear closing door. By adopting the same configuration as the receiving operation unit (A2), it is desirable to determine the setting angle at which the rotating arm (47) projects forward from the operation unit case (43) so that it can be adjusted to be large or small. .

  The other configurations and operations in the modified embodiment of FIG. 56 and the other modified embodiments of FIGS. 57 to 59 are substantially the same as those of the basic embodiment of FIGS. Only the same reference numerals as those in FIGS. 1 to 55 are entered in FIG.

(10) · Door opening upper frame (11) · Groove (12) · Door opening side frame (13) · Pivot hinge (14) · Door closer (15) · Link arm mounting bracket (16) · Sensing unit case ( 17) Mounting bracket (18) (39) (45) Countersunk screw (19) (46) (67) (72) Reinforcing washer (20) Lock arm (21) Lock arm spindle (22) Locking claw for slide bar (23), transmission pin (24) (30) (42) (56), vine spring (25), plate cam (26), first locking claw (27), second engagement Claw (28), cantilevered spindle (29), spring receiving pin (31), rotating pilot arm (31a), outer arm (31b), inner arm (32), pilot arm spindle (33) (49 ) ・ Arm working piece (34) ( 50) ・ Fixing pin (35) ・ Rotating piece (36) ・ Screw receiving block (37) ・ Slide guide long hole (38) (60) ・ Screw receiving hole (40) (54) ・ Cushion roller (41) ( 55) ・ Roller spindle (43) ・ Operation unit case (44) ・ End cap (47) ・ Rotating arm (48) ・ Rotating arm spindle (51) ・ Arc side surface (52) ・ Rotating stopper (53 ) ・ Rotating convex (56) ・ Spring receiving piece (58) ・ Rotating angle adjusting piece (59) ・ Rotating angle adjusting countersunk screw (61) ・ Compression coil spring (62) ・ Spring receiving concave groove (63) (69) (71) (77)-Screw receiving slot (64)-Polymerized piece (65) (76) (78)-Fixed screw (66) (70)-Dowel (68) (73)-Convex receiving Groove (74) ・ Dowel receiving hole (75) ・Screw hole (A1), receiving operation unit for closed door (A2), receiving operation unit for rear closing door (B) (B1) (B2) (B3), slide bar (B4), extension bar (B5), relay Bar (D1), Closed door (D2), Rear closed door (S), Closed door start detection unit (YY), Door summing line (θ) (α1) (α2), Set rotation angle

Claims (4)

A closing order adjusting device attached to the upper frame of the door opening in order to close two doors of double doors that rotate around a vertical axis in the closing order,
Installed in a pressure-biased state that always protrudes forward from the upper frame of the door opening by a preset angle, and in a retreat direction that is pushed down from the front by the proximal end of the front door or the rear door. A rotating pilot arm for detecting the start of closing that is to be rotated;
Similarly, it is installed in a pressure-biased state that always protrudes forward from the upper frame of the door opening by a preset angle, so that the closed door and the closed door can be received once in the closing order, and from the front when the door is closed A pair of left and right pivot arms for pivoting in the retracted direction to be pushed down, or a single door closing pivot arm positioned substantially on the summing line of the doors;
A linear slide along the left-right direction of the door opening upper frame is operatively connected to the one or a pair of left and right closed door receiving pivot arms. A slide bar of the required length to be converted into motion,
When the pivot pilot arm is pushed down when the first door or the rear door is closed, the slide bar is slid in the direction in which the pivot pilot arm exists, while the slide bar slides when both doors are opened. A locking means for keeping the pivot arm in a prone state by preventing
When the pivot pilot arm is pushed down at the time of starting the closing of the first closed door or the rear closed door, the slide bar slides in the direction in which the pivot pilot arm exists, so that the pivot arm protrudes forward. , Once receive the closed door and the closed door in the order of closing,
The opening of the rear closing door in the closed state causes the rotating pilot arm to protrude forward, but the rotating arm is re-adjusted by the sliding preventing action of the locking means. The door closing order adjusting device characterized in that the relationship is set so as to keep the state of being depressed until it is pushed down.   The pivot pilot arm for detecting the start of the closing door is smaller than the rotating arm for receiving the closing door, and the gap between the base end of the front door or the rear door in the upper frame of the door opening and the link arm mounting bracket of the door closer The door closing order adjusting device according to claim 1, wherein the door closing order adjusting device is attached in a retracted state. Rotate the base end of the lock arm, which serves as a locking means for the slide bar, and the base end of the pivoting pilot arm for detecting the start of closing to the inside of the common forward-opening U-shaped sensing unit case. Pivot freely,
While the tip of the lock arm is used as a latching claw on one end of the slide bar on the side where the rotating pilot arm is present, the end of the slide bar is urged and urged at all times.
A first locking claw that can be engaged with and disengaged from a vertical transmission pin penetrating the middle part of the lock arm, and a second engagement that can be engaged and disengaged with a rotating piece integrally protruding from the base end of the rotating pilot arm. A plate cam provided with a pawl is pivotally attached to the inside of the sensing unit case so as to be rotatable around a vertical axis,
The plate cam is provided with an elastic biasing force in a direction in which the first locking claw is separated from the transmission pin of the lock arm and in a direction in which the second locking claw is locked with the rotating piece of the rotating pilot arm,
When the pivot pilot arm pivots in a direction protruding from the sensing unit case, the lock bar slide bar locking pawl is in a locked state to receive the one end of the slide bar,
Similarly, when the rotating pilot arm is rotated in the direction to be pushed down from the front, the rotating piece is engaged with the second engaging claw of the plate cam, and the plate cam is engaged with the first engaging claw and the lock arm. 2. The closing door according to claim 1, wherein the slide bar locking claw of the lock arm is set so as to be separated from the one end of the slide bar by rotating in one direction in which the transmission pin is locked. Ranking adjuster. An outer arm pivotally attached to the inside of the U-shaped sensing unit case that opens forward and the pivoting arm for detecting the start of closing the door is pivotable about a vertical axis, and an inner arm that can slide inside the outer arm Shaping,
By attaching and fixing the inner arm to the outer arm with an adjusting screw penetrating the slide guide long hole formed in the outer arm,
By moving the inner arm back and forth along the long slot of the slide guide, the contact position between the cushion roller pivotally supported at the tip and the front closing door or the rear closing door, the turning radius and thickness of the door, etc. The door closing order adjusting device according to claim 1, wherein the door closing order adjusting device is set so as to be adjusted and set according to a change in the position.

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