JP5578657B2 - Assist handle - Google Patents

Description

  The present invention relates to an assist handle that is attached to a door toe of a shoji to reduce the initial movement resistance of the shoji, and is used by rotating the handle in a plane parallel to the indoor surface of the shoji.

  Conventionally, as this type of assist handle, the rotating shaft member is inserted into the base portion from the lower end portion of the lever-shaped handle portion provided on the outer surface of the box-shaped base portion, and rotates integrally with the relay rotating member within the base portion. It is known that the relay rotation members are connected to each other and are pin-coupled to a pressing portion that is supported so as to be linearly movable in the base portion (see, for example, Patent Document 1).

JP 2008-215052 (FIGS. 2, 4, and 5)

  However, in the above-described conventional assist handle, since the base portion rotatably accommodates the relay rotation member, it is difficult to reduce the size. In addition, a large load is applied to a portion of the handle portion that is connected to the rotation shaft member and the relay rotation member so as to be integrally rotatable, and there may be a situation in which play occurs.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an assist handle that can prevent backlash and can be downsized.

In order to achieve the above object, an assist handle according to the invention of claim 1 is a box-shaped base portion attached to an indoor surface of a door sliding door of a shoji slidable in an opening / closing port of a building, and rotates to the base portion. A handle portion of a lever structure that is supported so as to be rotatable within a plane parallel to the interior surface of the shoji, and at least a part of the base portion is accommodated at a position below the pivot center of the handle portion. And a pressing part supported so as to be able to move linearly in the sliding direction. When the shoji is in the closed position, when the handle part is operated toward the door edge with respect to the base part, the pressing part moves to the door tip side. In the assist handle that can press the inner surface of the opening and closing and reduce the initial resistance of the shoji, the base part has an inner structure fixed inside the base cover, and the handle part extends in the vertical direction. Or Have worked portion on the upper end, the inner lower end position near the handle part, in the state overlaid on the outer surface facing the interior side of the base portion, the pivot support pin through the first through-hole formed in the base cover the rewritable rotatably supported on the structure, the lower end portion of the lower side of the rotational center of the handle portion, a pin coupled to the pressing portion in the base cover by interlocking pin through the second through-hole formed in the base cover In this way, the pressing part can be moved directly in conjunction with the rotation of the handle part, and the handle part has a structure in which the handle plate is fixed to the inside of the handle cover , and is rotated around the middle part of the handle plate in the vertical direction. While the dynamic support pin is disposed, the connection pin is disposed at the lower end portion so that the first through hole and the second through hole are covered with the handle cover regardless of the rotational position of the handle portion. Characterized in where it was.
The invention according to claim 2 is the assist handle according to claim 1, further comprising a torsion coil spring that urges the handle portion and the pressing portion to the origin position on one end side of the movable range, and on the door end side of the inner structure, A pair of base mounting holes for attaching the inner structure to the door rod are provided side by side, and a pressing portion is disposed between the pair of base mounting holes so that the inner structure can be turned to the door bottom side. The moving support pin, the connecting pin, and the coil portion of the torsion coil spring are arranged in order from above, and one end portion of the torsion coil spring is locked to the connecting pin.

According to a third aspect of the present invention, in the assist handle according to the first or second aspect , the handle portion extends above the base portion, the handle portion is disposed above the base portion, and the handle portion is viewed from above and below. It is characterized in that the handle portion of the handle portion protrudes toward the door end side so as to overlap with the base portion and is thickened.

According to a fourth aspect of the present invention, in the assist handle according to any one of the first to third aspects, the handle portion is unevenly distributed on the door bottom side of the base portion, and the door in the handle portion and the base portion is not operated. It is characterized in that the bottom side is configured to be flush with the other side.

[Inventions of Claims 1 and 2 ]
In the assist handle according to claim 1, since the lower end portion of the handle portion disposed outside the box-shaped base portion is pin-coupled to the pressing portion through the through hole of the base portion, the upper end portion of the handle portion When the handle portion is operated to the door bottom side, the pressing portion moves to the door end side together with the lower end portion of the handle portion, and presses the inner side surface of the opening / closing port of the building. As described above, in the assist handle according to the present invention, the lower end portion of the handle portion arranged outside the base portion is coupled to the pressing portion via the through hole of the base portion. A moving member is not required, which prevents the occurrence of play and enables downsizing. In the assist handle of the present invention, the base structure and the handle plate constituting the outer part of the base part and the handle part are diverted to the inner structure and the handle plate constituting the base part and the inner part of the handle part. A plurality of types of assist handles having different designs can be manufactured at low cost by changing the design of only the cover. In the assist handle according to claim 2, the pair of base mounting holes are arranged vertically on the door end side of the inner structure body, and the pressing portion is disposed between the pair of base mounting holes. By arranging the rotation support pin, connecting pin, and coil part of the torsion coil spring in order from the top on the door bottom side, these base mounting holes, rotation support pins, etc. can be compactly installed in the base cover of the box-shaped base part. Can be summarized.

[Invention of claim 3 ]
According to the configuration of the third aspect, the upper portion of the handle portion above the base portion is a handle portion, so that interference between the hand operating the handle portion and the base portion is prevented, and the operability is excellent. In addition, since the handle is thickened so that the handle and the base overlap when viewed from the top and bottom, the area of the handle is widened without increasing the overall thickness of the assist handle. This reduces the burden on the fingertip and improves operability.

[Invention of claim 4 ]
In the assist handle according to the fourth aspect, since the handle portion is unevenly distributed on the door bottom side of the base portion, a space for inserting the hand between the inner surface of the opening / closing port and the handle portion is secured, and the handle portion is easily It becomes possible to operate. In addition, since the side face on the door butt side of the handle part and the base part is flush with each other when not operated, the appearance is simplified and the design is improved, and when the curtain is placed, the assist handle of the curtain is caught. Can be prevented.

Sectional drawing of the opening and closing opening provided with the assist handle of 1st Embodiment of this invention Perspective view of assist handle Front sectional view of assist handle when not in use Front sectional view of the assist handle in use Sectional drawing of the assist handle in CC section of FIG. (A) Sectional view of the assist handle in section AA in FIG. 3, (B) Sectional view of the assist handle in section BB in FIG. (A) Flat sectional view of glass door in closed position, (B) Flat sectional view of glass door in the middle of opening

[First Embodiment]
Hereinafter, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a plan sectional view of an opening / closing port 10 as a window of a building. About half of the outdoor side of the opening / closing port 10 is surrounded by a glass door support frame 11 made of aluminum and resin, and about half of the indoor side is covered with a wooden Japanese paper support frame 12. A pair of glass doors 13 and 13 (corresponding to the “shoji” of the present invention) are slidably supported so as to pass each other inside the glass door support frame 11, while the Japanese shoji support frame 12. A pair of Japanese children 29 and 29 are slidably supported so as to pass each other.

  Each glass door 13 has a double glass structure in which a pair of glass plates 14 and 14 are surrounded and supported by a glass frame 15. Each glass frame 15 is formed by joining aluminum rectangular cylinders in a frame shape, and one vertical side portion of the glass frame 15 is a door-end rod 18 according to the present invention, and the other vertical side portion is a door bottom. It is 框 16. And it is locked and unlocked by a crescent lock 17 provided between the door ridges 16 and 16 of both glass doors 13 and 13.

  A seal member 25 for preventing a draft between the glass door 13 and the inner side surface 10 </ b> H of the opening / closing port 10 is attached to the door rod 18 of each glass door 13. Specifically, a seal accommodation groove 21 is formed in the entire vertical direction on the end face of each door 13 that faces the sliding direction of the glass door 13. On the other hand, from each inner side surface 10H of the glass door support frame 11, the standby protrusion wall 22 which can be plunged into each seal accommodation groove | channel 21 is formed so that it may protrude over the whole up-down direction.

  A guide component 23 and a seal protrusion 24 are provided in the seal housing groove 21. The guide component 23 covers a back surface in the seal housing groove 21 and an inner surface closer to the room. Further, the portion covering the indoor side has a shape that swells to the opening surface of the seal housing groove 21, and the portion covering the inner side surface closer to the room swells to the center position in the width direction of the seal housing groove 21. When the glass door 13 is closed, the taper surface 23A of the guide component 23 comes into contact with the standby projection wall 22, and the glass door 13 is moved to the indoor side by the action of the taper. It is configured to be in close contact with the wall 22.

  A pair of seal protrusions 24, 24 provided in the seal member 25 protrude from the inner surface of the seal housing groove 21 toward the side surface of the standby protrusion wall 22. The pair of seal protrusions 24, 24 has a fin shape that becomes thinner toward the tip, and extends in the vertical direction in parallel with each other. The sealing protrusions 24, 24 are in close contact with the standby protrusion wall 22 when the glass door 13 is closed.

  In a state where the glass doors 13 and 13 are closed, the air gap between the door ridges 16 and 16 in the glass doors 13 and 13 is also prevented by the seal member 27. Specifically, the sealing member is provided along the edge of the one glass door 13 facing away from the door toe 18 on the side facing the door bottom 16 of the other glass door 13. 27 is provided. This seal member 27 includes one seal projection piece 26 having the same shape as the seal projection piece 24 of the door-end fence 18 described above, and the edge of the other glass door 13 on the door-end fence 18 side. In close contact. The seal protrusion 26 also reverses from a bow shape to a reverse bow shape when the glass door 13 is opened. In addition, the seal projection piece 26 of the door butt ridge 16 is arranged so that the pair of seal projection pieces 24 and 24 in the door tip ridge 18 is separated from the standby projection wall 22 before the door ridge ridge 16 of the other glass door 13 is disposed. Separate from.

  Now, when the glass door 13 is opened due to the friction between the sealing members 25 and 27 and the close contact target members, a relatively large resistance is applied during the initial movement. Therefore, in order to reduce the initial resistance when the glass doors 13 are opened, assist handles 30 are respectively attached to the indoor surfaces of the door tips 18 of the glass doors 13. The assist handle 30 is configured by assembling a handle portion 35 and a pressing portion 38 (see FIG. 7B) in a movable state to a base portion 31 attached to the door rod 18.

  As shown in the left part of FIG. 2, the base portion 31 of the assist handle 30 includes an inner structure 33 made of sheet metal inside a vertically long box-shaped base cover 32. The base cover 32 is opened at the door end 18 side, and the inner structure 33 is assembled into the base cover 32 from the opening.

  The handle portion 35 extends in the vertical direction and is supported by the base portion 31 so that the position near the lower end thereof is rotatable, and has a lever structure that can rotate in a plane parallel to the indoor surface of the glass door 13. Further, the rotation center of the handle portion 35 is disposed at a position near the upper end and near the door bottom in the base portion 31. Specifically, the handle portion 35 is provided with a vertically long handle plate handle plate 37 shown on the right side of FIG. 2 inside a handle cover 36 having a square groove structure having a groove opening on the surface facing the door toe 18. Contain. A pair of screw holes 37 </ b> A and 37 </ b> A are formed through the handle plate 37 above the rotation center, and screws 37 </ b> V and 37 </ b> V inserted therethrough are fastened to the handle cover 36. 2 shows the assist handle 30 with the handle cover 36 and the base cover 32 removed.

  At the rotation center of the handle portion 35, the rotation support pin 35P is fixed to the handle plate 37, and at the lower end portion of the handle portion 35, the connecting pin 37P is fixed to the handle plate 37. In addition, a stepped portion is provided at the intermediate position in the vertical direction on the surface of the handle cover 36 facing the doorside rod 18 side, and the upper part of the stepped portion is thicker on the doorside rod 18 side. The handle portion 35W according to the invention is configured. A portion of the handle portion 35 below the stepped portion is overlapped with the base portion 31 from the side opposite to the door end rod 18. Further, the handle portion 35 is held in an upright posture extending straight in the vertical direction when not operated, and the side surface on the door butt side of the handle portion 35 and the side surface on the door butt side in the base portion 31 are surfaces in the upright posture. (See FIG. 7A). As shown in the left part of FIG. 2, an anti-slip protrusion 35 </ b> Z is formed on the side surface of the handle portion 35 on the door tip side by causing the tip portion to bulge toward the door tip side.

  As shown in the right part of FIG. 2, a groove-shaped pin support base 33 </ b> W protruding to the indoor side is formed at the door bottom side end portion of the inner structure 33 excluding the lower end portion. Then, the rotation support pin 35P is rotatably supported by the pin support base 33W through the through hole 32K (see FIG. 6A) formed in the base cover 32 and is prevented from coming off.

  As shown in FIG. 3, a pair of base mounting holes 33 </ b> A and 33 </ b> A are formed at positions that are symmetrical in the vertical direction at the end on the door end side of the inner structure 33. On the other hand, the base cover 32 has a lid portion in which a corner portion on the door tip side in the upper end portion and a corner portion on the door tip side in the lower end portion are detachable from the box-shaped main body portion 32A of the base cover 32. 32B and 32B (see FIG. 2). Then, the base mounting holes 33A and 33A are exposed in a state where the lid portions 32B and 32B are detached from the box-shaped main body portion 32A, and the base portion 31 is attached to the door tips by screws (not shown) inserted through the base mounting holes 33A and 33A. It is fixed to the flange 18.

As shown on the left side of FIG. 2, a rectangular hole 32C is formed at the center in the vertical direction on the side surface of the base cover 32 facing the door end side, and the pressing portion 38 is accommodated therein so as to be capable of linear movement. ing. The entire pressing portion 38 has a substantially rectangular column shape with a rectangular cross section and extends in the opening / closing direction of the glass door 13. A locking protrusion 38T (see FIG. 6B) is formed from the edge of the pressing portion 38 on the door-end side (hereinafter referred to as the front end side) toward the door-end rod 18 side. When moved to the position, the locking protrusion 38T covers the edge of the inner structure 33.

  As shown in FIG. 3, in the base cover 32, pressing guide portions 32 </ b> G and 32 </ b> G extend in the horizontal direction in the base cover 32 from the upper and lower opening edges of the rectangular hole 32 </ b> C. In addition, the pressing portion 38 has a stepped shape at the middle portion in the longitudinal direction, and the front end side is wide and the rear end side is narrow. And the wide part of the front side among the press parts 38 is slidably contacted with the press guide parts 32G and 32G, and is guided so that it can move linearly.

The rear end portion of the pressing portion 38 is vertically elongated holes 38L extending in the vertical direction is formed. Further, the base cover 32 and the pin support base 33W have a horizontally long hole 32L corresponding to the vertically long hole 38L (corresponding to the “through hole” of the present invention) below the through hole 33K through which the rotation support pin 35P is passed. Is formed. The horizontally elongated hole 32L has an arc shape centered on the rotation center of the handle portion 35, and is positioned below the rotation support pin 35P. And as shown in FIG. 5, the connection pin 37P with which the lower end part of the handle | steering-wheel part 35 was equipped is inserted in the horizontally long hole 32L and the vertically long hole 38L. Thereby, as shown in FIG. 4, when the upper end portion of the handle portion 35 is pulled toward the door bottom side from the rotation center, the pressing portion 38 moves straight to the door tip side and protrudes from the base portion 31.

  Below the pressing portion 38, a spring support column 32P is formed on the inner surface of the base cover 32, and a torsion coil spring 39 is attached thereto. One end of the torsion coil spring 39 is locked to the bent portion 33Z of the inner structure 33, and the other end is locked to the connecting pin 37P. The torsion coil spring 39 urges the handle portion 35 in an upright posture extending in the vertical direction, and the pressing portion 38 is urged in a direction to be immersed in the base portion 31.

  In the present embodiment, when the handle portion 35 and the pressing portion 38 move to one end side of the movable range, the connecting pin 37P is connected to the first stopper portion 33B1 at one end in the laterally long hole 32L of the pin support base 33W (FIG. 6B). When the handle portion 35 and the pressing portion 38 are moved to the other end side of the movable range, the connecting pin 37P is moved to the second stopper at the other end in the laterally long hole 32L of the pin support base 33W. Positioned in contact with the portion 33B2 (see FIG. 6B).

  This completes the description of the configuration of the assist handle 30 of the present embodiment. Next, the function and effect of the assist handle 30 will be described. In order to open the glass door 13 using the assist handle 30 in a state where the glass door 13 is closed, a finger is placed on the handle portion 35W on the upper end portion of the handle portion 35 and operated to the door bottom side. Here, the lower end portion of the handle portion 35 below the rotation center is pin-coupled to the pressing portion 38 via the laterally long hole 32L of the base portion 31, so that the handle portion of the upper end portion of the handle portion 35 is connected. When 35W is operated to the door bottom side, the pressing portion 38 moves to the door tip side together with the lower end portion of the handle portion 35, and presses the inner side surface 10H of the opening / closing port 10 (see FIG. 7B).

  As described above, in the assist handle 30 of the present embodiment, the lower end portion of the handle portion 35 disposed outside the base portion 31 is coupled to the pressing portion 38 via the laterally long hole 32L of the base portion 31. The relay turning member provided in the unit is no longer necessary, thereby preventing the occurrence of play and miniaturization.

  Moreover, since the upper part of the handle part 35 above the base part 31 is the handle part 35W, the hand operating the handle part 35 and the base part 31 are unlikely to interfere with each other, and the operability is excellent. Further, since the handle portion 35W in the handle portion 35 is thickened so that the handle portion 35W and the base portion 31 overlap each other when viewed from above and below, the hand in the handle portion 35W can be increased without increasing the overall thickness of the assist handle 30. The area of the portion to be hung can be increased, the burden on the fingertip is reduced, and the operability is improved.

  Furthermore, in the assist handle 30 of the present embodiment, since the handle portion 35 is unevenly distributed on the door butt side of the base portion 31, as shown in FIG. A space for inserting the hand between the two is secured, and the handle portion 35 can be easily operated. When the door 35 is not operated, the door butt side surface of the handle portion 35 and the door butt side surface of the base portion 31 are flush with each other, so that the appearance is simplified and the design is improved and the curtain is arranged. In addition, it is possible to prevent the curtain from being caught in the assist handle 30.

According to the assist handle 30 of the present embodiment, the inner structure 33 and the handle plate 37 constituting the inner portions of the base portion 31 and the handle portion 35 are diverted from the same design, and the base portion 31 and the handle portion 35 are used. A plurality of types of assist handles 30 having different designs can be manufactured at low cost by making the design of only the base cover 32 and the handle cover 36 constituting the outer portion of the design different.
[Other Embodiments]
The present invention is not limited to the above-described embodiment, and can be implemented with various modifications other than those described above without departing from the scope of the invention.

DESCRIPTION OF SYMBOLS 10 Opening / closing port 10H Inner side surface 30 Assist handle 31 Base part 32 Base cover 32G, 32G Guide wall 32L Horizontal long hole 33 Inner structure 33B1 1st stopper part 33B2 2nd stopper part 33W Pin support stand 35 Handle part 35P Rotation support pin 36 Handle cover 37 Handle plate 38 Press part 39 Torsion coil spring

Claims (4)

A box-shaped base attached to the indoor surface of the door sliding door of the shoji that can slide in the opening and closing of the building, and rotatably supported by the base so as to rotate in a plane parallel to the indoor surface of the shoji A handle portion having a possible lever structure, and a pressing portion that is accommodated at least partially below the rotation center of the handle portion of the base portion and is supported so as to be linearly movable in the sliding direction of the shoji. And when the shoji is in the closed position, when the handle portion is operated toward the door butt side with respect to the base portion, the pressing portion moves to the door end side and presses the inner surface of the opening / closing port, In the assist handle that can reduce the initial resistance of shoji,
The base part is formed by fixing an inner structure inside a base cover,
The handle portion extends in the vertical direction and has a handle portion at an upper end portion,
With the position close to the lower end of the handle portion overlaid on the outer surface of the base portion facing the indoor side, the inner structure body can be rotated by the rotation support pin through the first through hole formed in the base cover. support to Rutotomoni, the lower end portion of the lower side of the rotational center of the handle portion, is pinned to the pressing portion of the base in the cover by the interlocking pin through the second through-hole formed in the base cover it in Then, the pressing part can be moved directly in conjunction with the rotation of the handle part,
The handle portion has a structure in which a handle plate is fixed to the inside of the handle cover, and the rotation support pin is arranged at an intermediate portion in the vertical direction of the handle plate, while the connection pin is arranged at a lower end portion. An assist handle, wherein the first through hole and the second through hole are configured to be covered by the handle cover regardless of a rotational position of the handle portion. A torsion coil spring that biases the handle portion and the pressing portion toward the origin position on one end side of the movable range;
A pair of base mounting holes for attaching the inner structure to the door-end rod are provided side by side on the door-end side of the inner structure, and the pressing portion is provided between the pair of base-mounting holes. And place
The rotation support pin, the connection pin, and the coil portion of the torsion coil spring are arranged in order from the top on the door bottom side of the inner structure, and one end portion of the torsion coil spring is locked to the connection pin. The assist handle according to claim 1, wherein: The handle portion extends above the base portion, the handle portion is disposed above the base portion, and the handle portion of the handle portion is overlapped with the handle portion so that the handle portion and the base portion overlap each other when viewed from above and below. The assist handle according to claim 1, wherein the handle is made thicker by protruding toward the door end side. The said handle | steering part side is unevenly distributed in the door butt side among the said base parts, The door butt side side surface in the said handle | steering-wheel part and the said base part was comprised so that it might become flush | planar. The assist handle according to claim 1.

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