JP2014198988A - Door unit with hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door unit with hinge configured to allow easy adjustment of door position in thickness, width and height directions of a door body such as a hinged door or the like, while improving stopper function of a hinge shaft in an upper hinge, thereby enhancing safety and operability.SOLUTION: A stopper ring 45 is rotated until a swollen part 45b is inserted into a large-diameter part 153b of a ring-receiving metal fitting 153, to set the stopper ring 45 so as not to move downward. In an upper hinge 4, only when the swollen part 45b of the stopper ring 45 is inserted into the large-diameter part 153b of the ring-receiving metal fitting 153 to prevent the stopper ring 45 from moving downward, a storage case cover 151 can be fitted to a storage case 50.

Description

  The present invention relates to a door unit with a hinge (particularly a hinge for a hinged door).

  For example, when installing a door such as a door for entering and exiting a room to a door mounting part such as a fixed frame via a hinge, the distance between the door and the fixed frame can be opened and closed smoothly. It is necessary to adjust the (gap) within a predetermined range. Further, even when the door or the fixed frame is deformed or the mounting position of the door is shifted due to use, it is necessary to readjust the mutual distance between the door and the fixed frame. Therefore, the applicant of the present application adjusts the position in three directions: the thickness direction of the door (front and back of the worker facing the front of the door), the width direction of the door (same left and right) and the height direction of the door (same top and bottom). A hinge and a door unit with a hinge that can independently adjust the gap are proposed (see Patent Documents 1 and 2).

  Further, Patent Document 3 discloses a hinged door unit to which a retaining function is added, which can prevent downward displacement (disengagement) of the hinge shaft in the upper hinge even if the door is frequently opened and closed. . The slip-out prevention mechanism disclosed in Patent Document 3 holds the peripheral surface of the hinge shaft (frame side holding shaft) in pressure contact by tightening at the tip of the screw, or the lower end surface of the hinge shaft by tightening the screw inserted into the long hole. With an L-shaped restricting plate, accompanied by the work of loosening and tightening the screw each time the hinge shaft is inserted and removed when the door is attached to or detached from the door mounting part (fixed frame). is there. Therefore, there is a possibility that the hinge shaft may still come out due to forgetting to tighten the screw or insufficient tightening, and there is room for further improvement.

Japanese Patent No. 3798416 Japanese Patent No. 4669798 JP 2012-021307 A

  It is an object of the present invention to easily adjust the door position in the thickness direction, width direction, and height direction of a door body such as a hinged door, and improve the function of preventing the hinge shaft from coming off in the upper hinge, thereby improving safety and operation. The object is to provide a hinged door unit with improved performance.

Means for Solving the Problems and Effects of the Invention

The hinged door unit which is the premise of the present invention is
A lower hinge is attached to the lower part of the door body that can be opened and closed with respect to the door attachment part, while an upper hinge is attached to the upper part of the door body, and these lower hinge and upper hinge are respectively attached to the door attachment part. A hinge having a mounting portion side hinge plate to be attached, a door side hinge plate to be attached to the door body, and a hinge shaft for connecting both the hinge plates so as to be relatively rotatable in the opening / closing direction of the door body. In the door unit with
The lower hinge is
The door body is attached to the door-side hinge plate, and the door body is moved in the thickness direction on a surface orthogonal to the axis of the hinge shaft, and the width direction of the door body orthogonal to the thickness direction on the orthogonal surface and A first adjustment mechanism for allowing movement of the door body in the height direction of the door body along the axis of the hinge shaft;
A second adjustment mechanism that is attached to the door-side hinge plate and that moves the door body in the width direction and allows the movement of the door body in the thickness direction and the height direction; ,
A third adjusting mechanism that is attached to the hinge shaft, moves the door body in the height direction, and allows relative rotation of the attachment portion side hinge plate and the door side hinge plate; With
Meanwhile, the upper hinge is
The first adjustment mechanism, the second adjustment mechanism, a resilient member incorporated in the hinge shaft and following the movement of the door body in the height direction, and the attachment portion side hinge plate And a follow-up movement mechanism for allowing relative rotation of the door-side hinge plate,
Further, the upper hinge includes a shaft-shaped member that constitutes the hinge shaft and is given an upward elastic force by the resilient member, and is fixed to the lower end of the shaft-shaped member, and is around the axis of the shaft-shaped member. An operation member that can be integrally rotated and operated to move downward along the axis along with the shaft member against the elastic force of the elastic member, the first adjustment mechanism, and the first A case body that accommodates the second adjustment mechanism and the follow-up movement mechanism; and the operation member is fixed to the case body and the operation member is moved by the upward elastic force of the elastic member in a state where the shaft-like member is inserted. A receiving member for seating, and a cover body for covering the operation member and the receiving member that are covered with the case body;
The operation member is prevented from moving downward by the receiving member at a predetermined position in the circumferential direction, and the cover body covers the operation member and the receiving member only in a state where the operation member is prevented from moving downward and is attached to the case body. It can be installed.

  According to such a hinged door unit, when the operation member and the shaft-like member are integrally rotated, the downward movement of the operation member is blocked by the receiving member, and the hinge shaft is prevented from coming off from the upper hinge (preventing removal). Can be achieved. In other words, unlike the conventional case, it is not necessary to loosen and tighten the screw each time the hinge shaft is inserted or removed to attach or detach the door, so the operability is improved and the hinge shaft is not pulled out due to forgetting to tighten the screw or insufficient tightening. It becomes extremely difficult to generate and can improve safety. Moreover, since the cover body can be attached to the case body only in a state where the operation member is prevented from moving downward, it is possible to further improve safety and to notify the operator of the completion of the retaining operation. it can. For example, when the operating member is not in a state where the downward movement is prevented, the cover body is not completely attached to the case body (the cover body cannot cover the case body, falls from the case body, etc.) Then, the incomplete retaining state of the hinge shaft becomes obvious to the operator.

  In the hinged door unit, the position adjustment in the three directions of the door body (for example, the hinged door) in the thickness direction, the width direction, and the height direction is independent, and the door mounting portion (for example, the fixed frame) is closed. It can be done in a batch at the inside or outside of the door. That is, the operator does not have to change the work position between the inside and the outside of the door body (room entrance) by opening and closing the door body in the middle of the position adjustment work of the door body. Further, since the position adjustment in the three directions of the door body can be performed independently, there is no need to readjust the deviation in the thickness direction caused by the position adjustment in the width direction, for example. ) Need not be determined in advance. Therefore, the mutual interval (gap) between the door body and the door mounting portion can be adjusted efficiently in a short time. Furthermore, since the position adjustment in these three directions of the door body is performed in a state where the door body closes the door mounting portion, the door body and the door mounting portion are properly viewed while actually confirming the mutual distance (gap). It is possible to efficiently find and adjust the gap.

In the operation member, a part of the peripheral surface of the cylindrical portion extends radially outward toward a fan shape or a bowl shape, and a bulging portion is formed,
The receiving member is formed with a large diameter portion into which the bulging portion of the operation member can be inserted,
When the bulging portion is inserted into the large-diameter portion of the receiving member along with the rotation operation of the operating member, the operating member is prevented from moving downward.

  In this way, the hinge shaft is rotated by a simple structure and operation in which the operating member and the shaft-shaped member are rotated together and the bulging portion extending from the cylindrical portion of the operating member is inserted into the large-diameter portion of the member. It is possible to realize a retaining (preventing slipping out) function.

  At this time, for example, the operation member and the receiving member include a positioning portion for restricting the relative rotation position between the bulging portion and the large diameter portion (positioning convex portion on one of the bulging portion and the large diameter portion). By forming the positioning recesses on the other side, the completion of the retaining operation can be sensibly transmitted to the operator.

On the outer peripheral surface of the cylindrical portion excluding the bulging portion of the operation member, a concave groove is formed along the axial direction,
On the inner surface of the cover body, a protruding wall corresponding to the groove is formed along the axial direction,
When the bulging portion is inserted into the large-diameter portion of the receiving member and the operating member is prevented from moving downward, and the cover body is slid along the axial direction, the protruding wall is a concave groove of the operating member. Inserted into.

  By sliding the protruding wall of the cover body with the concave groove of the operating member as a guide, it is possible to notify the completion of the retaining operation at the same time as the assembly of the upper hinge is completed. The concave groove may be either a notch groove formed in the axial direction through the cylindrical portion or a bowl-shaped passage formed in the axial direction so as not to penetrate the outer peripheral surface of the cylindrical portion.

  The upper end portion of the shaft-like member protrudes above the plate surface of the attachment-side hinge plate, and a retaining member that prevents the shaft-like member from coming off from the attachment-side hinge plate is attached to the protruding portion. Yes.

  By attaching the retaining member to the upper end portion of the shaft-like member together with the operation member provided at the lower end portion of the shaft-like member, the hinge shaft can be more securely prevented from coming off.

A circumferential groove having a predetermined depth is formed on the outer peripheral surface of the protruding portion of the shaft-shaped member,
The retaining member is a retaining clip that is detachable in the direction intersecting the axis with respect to the circumferential groove and is mounted so as to be rotatable around the axis. The plate surface of the attachment-side hinge plate by the magnetizing force of the permanent magnet Can be adsorbed and fixed.

  Since the retaining clip maintains the state of being attracted and fixed to the mounting portion side hinge plate, the retaining clip does not protrude from the door mounting portion such as a frame body as the door body is opened and closed, so that it looks good.

  When these retaining clips and permanent magnets are housed in a synthetic resin clip case, the upper hinge case body assembly process, the upper hinge mounting process to the door body, and the door unit mounting process to the door mounting part , And the door position adjustment process, the retaining clip is less likely to be lost, and the insertion / removal operation of the shaft-like member into the circumferential groove is facilitated, thereby reducing work errors.

  When the clip case is formed by insert molding using a retaining clip and a permanent magnet as an insert metal fitting, the number of parts can be reduced and the structure can be simplified.

Moreover, in order to solve the said subject, the door unit with a hinge of this invention is the following.
A lower hinge is attached to the lower part of the door body that can be opened and closed with respect to the door attachment part, while an upper hinge is attached to the upper part of the door body, and these lower hinge and upper hinge are respectively attached to the door attachment part. A hinge having a mounting portion side hinge plate to be attached, a door side hinge plate to be attached to the door body, and a hinge shaft for connecting both the hinge plates so as to be relatively rotatable in the opening / closing direction of the door body. In the door unit with
The lower hinge is
The door body is attached to the door-side hinge plate, and the door body is moved in the thickness direction as the first direction on a surface perpendicular to the axis of the hinge shaft in a state where the door body closes the door attachment portion, and The movement of the door body in the width direction of the door body as a second direction orthogonal to the thickness direction on the orthogonal plane and the height direction of the door body as a third direction along the axis of the hinge shaft. A first adjusting mechanism in which a first engaging portion to allow each is arranged;
A second engaging portion that is attached to the door-side hinge plate, moves the door body in the width direction, and allows the movement of the door body in the thickness direction and the height direction; A second adjustment mechanism arranged in a form that overlaps with the first engagement portion in a perpendicular manner when viewed from the height direction;
A third engagement portion that is incorporated in the hinge shaft, moves the door body in the height direction, and allows the door-side hinge plate to rotate with respect to the attachment-side hinge plate is the first engagement portion. A third adjustment mechanism arranged in a form penetrating the overlapping portion of the joint portion and the second engagement portion,
Meanwhile, the upper hinge is
The first adjustment mechanism, the second adjustment mechanism, a resilient member incorporated in the hinge shaft and following the movement of the door body in the height direction, and the attachment portion side hinge plate And a follow-up movement mechanism for allowing relative rotation of the door-side hinge plate,
Due to the movement of the door body in the thickness direction by the first adjustment mechanism arranged on the lower hinge and the upper hinge, and the second adjustment mechanism arranged on the lower hinge and the upper hinge, respectively. The movement of the door body in the width direction, the movement of the door body in the height direction by the third adjustment mechanism arranged on the lower hinge, and the bullet of the following movement mechanism arranged on the upper hinge. The following movement by the generating member is performed separately from each other without affecting the other adjustments, and the door body is closed or closed from the same side inside or outside the door body. The mutual distance with the part can be finely adjusted,
Further, the upper hinge includes a shaft-shaped member that constitutes the hinge shaft and is given an upward elastic force by the resilient member, and is fixed to the lower end of the shaft-shaped member, and is around the axis of the shaft-shaped member. A state in which the shaft-shaped member is inserted into the shaft-shaped member, and an operation member that can be operated to move downward along the axis along with the shaft-shaped member against the resilient force of the resilient member. And a receiving member for seating the operation member by an upward elastic force of the elastic member,
The operation member is prevented from moving downward by the receiving member at a predetermined position in the circumferential direction.

  In the hinged door unit, when the operating member and the shaft-shaped member are integrally rotated to a predetermined position, the downward movement of the operating member is prevented by the receiving member, so that the hinge shaft is prevented from coming off in the upper hinge ( Prevention). At that time, the conventional work (ie, the work of loosening and tightening the screw each time the hinge shaft is put in and out and the door is attached / detached) is not required. The shaft is unlikely to slip out, and safety can be improved.

The operation member is formed in a flat plate-like annular portion, and a part of the annular portion in the circumferential direction extends outward in the radial direction and extends in a fan shape or a bowl shape, while a bulging portion is formed.
The receiving member is formed with a large diameter portion into which the bulging portion of the operation member can be inserted,
When the bulging portion is inserted into the large-diameter portion of the receiving member along with the rotation operation of the operating member, the operating member is prevented from moving downward.

  Thus, the hinge shaft can be removed by simply rotating the operating member and the shaft-like member together and simply inserting the bulging portion extending from the annular portion of the operating member into the large-diameter portion of the member. A stop (prevention of slipping out) function can be realized, and the size (height) of the hinge in the vertical direction can be suppressed to achieve downsizing.

  The shaft-shaped member between the receiving member and the operation member has a temporary fixing member for maintaining the temporary fixed state in which the operation member is moved downward together with the shaft-shaped member against the elastic force of the elastic member. Provided.

  After attaching the door unit to the door mounting part via the hinge shaft, removing the temporary fixing member from the shaft-shaped member will complete the mounting work on the door mounting part, facilitating the mounting work and shortening the time. Can be done efficiently. As the temporary fixing member, an annular or cylindrical clip or ring (retaining ring) made of synthetic resin, a cylindrical stopper made of paper, a shaft-shaped or cylindrical penetrating member made of metal, or the like can be used.

  In addition, by integrating the operation member and the temporary fixing member (combined structure for retaining and temporary fixing), the structure of the hinge and the hinged door unit is simplified, and the work time required for retaining and temporary fixing is shortened. can do.

The front view and side view which looked at the state which attached the hinged door unit which concerns on this invention to the fixed frame from the inner side. The perspective view which expands and shows an example of the lower hinge used for the door unit with a hinge of FIG. The disassembled perspective view of the lower hinge shown in FIG. The perspective view which expands and shows an example of the upper side hinge used for the door unit with a hinge of FIG. The disassembled perspective view of the upper side hinge shown in FIG. The perspective view which shows the attachment process of the door unit with respect to a fixed frame. The perspective view which shows the attachment process following FIG. The perspective view which shows the attachment process following FIG. The perspective view which shows the attachment process following FIG. Explanatory drawing which shows the assembly process of a retaining clip. The perspective view which expands and shows the other example of the upper side hinge used for the door unit with a hinge of FIG. FIG. 12 is an exploded perspective view of the upper hinge shown in FIG. 11. The perspective view which shows the attachment process of the door unit with respect to a fixed frame. The perspective view which shows the attachment process following FIG. The perspective view which shows the attachment process following FIG. The perspective view which shows the attachment process following FIG. Explanatory drawing which expands and shows further another example of the upper side hinge used for the door unit with a hinge of FIG. The perspective view which shows the attachment process following FIG.

Example 1
Hereinafter, embodiments of the invention will be described with reference to the drawings. A hinged door unit (hereinafter simply referred to as a door unit) 1 shown in FIG. 1 includes a hinged door 2 (door body) that can be opened and closed with respect to a vertically long rectangular fixed frame 5 (door mounting portion) that constitutes a room entrance and the like. A lower hinge 3 is attached to the lower right of the upper hinge 4 and an upper hinge 4 is attached to the upper right portion thereof.

  As shown in FIGS. 1 and 2, the lower hinge 3 includes a frame-side hinge plate 6 (attachment portion-side hinge plate) fixed (attached) to the fixed frame 5 and a lower side (height direction) of the hinged door 2. A door-side hinge plate 7 fixed (attached) to the wooden mouth 2b, and a hinge for connecting the hinge plates 6 and 7 so as to be relatively rotatable about an axis O3 in the vertical direction (vertical direction) in the opening / closing direction of the hinged door 2. And an axis 8. The door-side hinge plate 7 of the lower hinge 3 includes a front / rear adjustment mechanism 10 (first adjustment mechanism), a left / right adjustment mechanism 20 (second adjustment mechanism), and a vertical adjustment mechanism 30 (third adjustment mechanism). ) Is fixed (see FIG. 3). And by each of these adjustment mechanisms 10, 20, and 30, the thickness direction of the hinged door 2 (the front-rear direction of the operator facing the front of the hinged door 2) O1, the width direction of the hinged door 2 (also in the left-right direction) O2, and the hinged door 2 The position adjustment (gap adjustment) is performed in three directions of the height direction (same as the vertical direction) O3.

  As shown in FIGS. 1 and 4, the upper hinge 4 includes a frame side hinge plate 106 (attachment portion side hinge plate) fixed (attached) to the fixed frame 5, and a top of the hinged door 2 (in the height direction). A hinge plate 8 (see FIG. 1) that is fixed (attached) to the door 2a and that is connected to the hinge plates 106 and 7 so as to be relatively rotatable about the vertical axis O3 in the opening / closing direction of the hinged door 2. Reference). The door-side hinge plate 7 of the upper hinge 4 houses a longitudinal adjustment mechanism 10 (first adjustment mechanism), a left / right adjustment mechanism 20 (second adjustment mechanism), and a vertical movement mechanism 40 (following movement mechanism), which will be described later. A storage case 50 (case body) is fixed (see FIG. 5). And by these adjustment mechanisms 10 and 20, the thickness direction of the hinged door 2 (the front-rear direction of the operator facing the front of the hinged door 2) O1 and the width direction of the hinged door 2 (also in the left-right direction) O2 in two directions Position adjustment (gap adjustment) is performed. Further, the vertical movement mechanism 40 follows the position adjustment (gap adjustment) in the height direction (also in the vertical direction) O3 of the hinged door 2 by the vertical adjustment mechanism 30 of the lower hinge 3 described above, and moves the hinged door 2 to a height. Move and hold in the direction.

  The position adjustment (gap adjustment) in the three directions of the hinged door 2 can be performed from the same side inside or outside the hinged door 2 (room entrance) with the hinged door 2 closing the fixed frame 5. Further, in principle, in the following description, when the moving direction and position of the hinged door 2 are indicated, it is expressed as the thickness direction O1, the width direction O2, and the height direction O3, and the gap (mutual distance) between the hinged door 2 and the fixed frame 5 is indicated. When shown, they are represented as a front-rear gap S1, a left-right gap S2, and a vertical gap S3 (see FIG. 1).

  Next, a specific configuration of the lower hinge 3 will be described with reference to FIGS. As shown in FIG. 3, the frame-side hinge plate 6 includes a fixed piece 6 a that is fixed to the fixed frame 5, and a frame-side fixed shaft 31 that constitutes the hinge shaft 8 (axial member; third engagement portion; third The holding piece 6b in which the through-hole 6c for fixing the operation part) is fixed is formed in an L shape (right angle). The frame side fixed shaft 31 has a distal end portion 31a (support; third engagement portion; third operation portion) formed in a curved surface shape (for example, a hemispherical shape), and a base end portion 31d formed in the through hole 6c. After insertion, it is non-rotatably fixed to the holding piece 6b (through hole 6c) by caulking or the like.

  As shown in FIG. 3, the door-side hinge plate 7 has a fixed piece 7a fixed to the lower end (height direction O3) of the hinged door 2 and a dice shape protruding from the fixed piece 7a in the thickness direction O1 of the hinged door 2 ( And a support piece 7b for supporting and fixing the storage case 50 having a pseudo cubic shape. The through-hole 7d is formed in a non-circular shape (for example, a square shape) through the support piece 7b along the height direction O3 (axis) in order to insert a vertical adjustment mechanism 30 (hinge shaft 8) to be described later. ing.

  Three adjustment mechanisms, that is, the front-rear adjustment mechanism 10 and the left-right adjustment mechanism 10 are provided in a pseudo-cuboid-shaped sheet metal storage case 50 which is open on two surfaces (for example, the front surface and the lower surface) and the remaining four surfaces are formed on the box-shaped wall portions 50a to 50d. The adjustment mechanism 20 and the vertical adjustment mechanism 30 are accommodated. The storage case 50 is fixed to the door-side hinge plate 7 so that the opening on the lower surface is covered with the support piece 7b. In addition, in order to insert the vertical adjustment mechanism 30 (hinge shaft 8) into the top wall portion 50a of the storage case 50, it is not aligned with the through hole 7d of the support piece 7b in the height direction O3 (axis). A circular (for example, quadrangular) through hole 50f is formed through.

  The storage case 50 is covered with a resin storage case cover 51 (cover body) having a similar shape in order to protect it from damage due to contact with other objects, intrusion of dust, and the like.

  Of the three adjustment mechanisms, the front-rear adjustment mechanism 10 is housed in the storage case 50, moves the hinged door 2 in the thickness direction O1, and moves the hinged door 2 in the width direction O2 and the height direction O3. It has a front and rear slider 11 (first engaging portion; first operating portion) to be allowed.

  Specifically, the front / rear slider 11 has a through hole 11a formed in a long hole shape along the width direction O2 of the hinged door 2 so as to penetrate in the height direction O3. The through hole 11a moves in the width direction by moving the hinged door 2 in the thickness direction O1 by engaging with a sleeve 32 (hinge shaft 8) described later and avoiding engagement with the sleeve 32 (hinge shaft 8). The movement of the hinged door 2 in O2 and the height direction O3 is permitted. The front / rear slider 11 has a protruding piece 11c protruding in the width direction O2, and includes a female screw portion 11b formed through the protruding piece 11c in the thickness direction O1. Therefore, when the front / rear adjustment screw 12 (first operation portion) is screwed into the female screw portion 11b and turned, the front / rear slider 11 moves in the thickness direction O1 of the hinged door 2 and the front / rear gap S1 is adjusted ( (See FIG. 1).

  Further, as shown in FIG. 3, the left / right adjustment mechanism 20 is housed in the housing case 50, moves the hinged door 2 in the width direction O2, and moves the hinged door 2 in the thickness direction O1 and the height direction O3. Left and right sliders 21 (second engaging portion; second actuating portion).

  Specifically, as shown in FIG. 3, the left and right slider 21 has a through hole 21 a formed in a long hole shape along the thickness direction O <b> 1 of the hinged door 2 and penetrating in the height direction O <b> 3. It arrange | positions in the form which overlaps with the front-and-rear slider 11 seeing from O3. The through-hole 21a moves in the thickness direction O2 by moving the hinged door 2 in the width direction O2 by engaging with a sleeve 32 (hinge shaft 8) described later, and avoiding engagement with the sleeve 32 (hinge shaft 8). The movement of the hinged door 2 in O1 and the height direction O3 is permitted. The left and right slider 21 includes a female screw portion 21b formed so as to penetrate in the width direction O2. Accordingly, the left / right slider 21 moves in the width direction O2 of the hinged door 2 by adjusting the left / right adjusting screw 22 (second operation portion) to the female screw portion 21b and rotates, thereby adjusting the left / right clearance S2 (FIG. 1).

  Further, as shown in FIG. 3, the vertical adjustment mechanism 30 is incorporated in the hinge shaft 8, moves the hinged door 2 in the height direction O <b> 3, and rotates the door-side hinge plate 7 with respect to the frame-side hinge plate 6. It has the 3rd engaging parts 31-33 (3rd operation part) to accept | permit.

  Specifically, the vertical adjustment mechanism 30 includes a frame-side fixed shaft 31 (axial member; third engagement portion; third operating portion) fixed to the frame-side hinge plate 6, and a frame-side fixed shaft 31. It has a sleeve 32 (cylindrical member; third engaging portion; third operating portion) that is covered and concentrically engaged and held by the door-side hinge plate 7. The frame side fixed shaft 31 and the sleeve 32 are arranged in such a manner as to penetrate through overlapping portions of the front and rear sliders 11 and the left and right sliders 21, that is, through holes 11a and 21a.

  The sleeve 32 includes a female screw portion 32a formed along a height direction O3 on a part (upper half portion) of the inner peripheral surface thereof. On the other hand, a pivot bearing 33 to be described later is provided between the frame side fixed shaft 31 and the sleeve 32, and a vertical adjustment screw 33 a (third operation portion) is formed on the outer peripheral surface of the pivot bearing 33. Therefore, when the vertical adjustment screw 33a is screwed with the female screw portion 32a, the sleeve 32 moves in the height direction O3 of the hinged door 2, and the vertical gap S3 is adjusted (see FIG. 1).

  Further, as shown in FIG. 3, the outer peripheral surface of the main body portion 32b of the sleeve 32 has a remaining portion including a portion penetrating the through holes 11a and 21a, only the tip end portion 32b1 is formed in a circular shape when viewed from the direction of the axis O3. The portion 32b2 is formed in a non-circular shape (for example, a pseudo square shape). A pivot bearing 33 (bearing body; third engagement portion; third operation) that receives rotational displacement of the sleeve 32 accompanying the rotation of the door-side hinge plate 7 is provided between the frame-side fixed shaft 31 and the sleeve 32. Part). With these configurations, based on opening / closing of the hinged door 2 with respect to the fixed frame 5, the door-side hinge plate 7 and the sleeve 32, together with the pivot bearing 33, around the axis O <b> 3 of the frame-side fixed shaft 31, Rotate integrally.

  Here, the pivot bearing 33 is fixed and maintained at a predetermined height position of the sleeve 32 by the vertical adjustment screw 33 a formed on the outer peripheral surface thereof, and rotates together with the sleeve 32 based on opening and closing of the hinged door 2. And the front-end | tip part 31a of the frame side fixed shaft 31 is hold | maintained. On the other hand, the bearing body 33b of the pivot bearing 33 is made of resin, and the contact surface 33c with the tip end portion 31a of the frame side fixed shaft 31 is formed in a curved surface shape (for example, a spherical shape). As described above, the tip 31a is in contact with the curved contact surface 33c to support the pivot bearing 33, whereby friction between the pivot bearing 33 and the frame side fixed shaft 31 is reduced, and the pivot bearing 33 has the axis O3. Smooth rotation around.

  A part of the vertical adjustment screw 33a may be insert-molded together with the bearing main body 33b so that the vertical adjustment screw 33a of the pivot bearing 33 is made of metal and the bearing main body 33b is made of resin.

A method for assembling the lower hinge 3 having the above-described configuration will be described.
(1-1) Storage case 50 assembly process <FIG. 3>
The front and rear sliders 11 and the left and right sliders 21 are stacked in a perpendicular shape when viewed from the height direction O3 and stored in the storage case 50. The front / rear adjustment screw 12 is screwed to the female screw part 11 b of the front / rear slider 11, and the left / right adjustment screw 22 is screwed to the female screw part 21 b of the left / right slider 21.

(1-2) Storage case 50 setting step <FIG. 3>
The storage case 50 is placed and fixed on the support piece 7 b of the door side hinge plate 7. The main body portion 32b of the sleeve 32 is inserted into the through hole 7d of the support piece 7b along the height direction O3, and the flange portion 32c is seated on the door side hinge plate 7. The tip 32b1 of the sleeve 32 protruding from the through hole 50f of the storage case 50 is inserted into a washer 53 with a square hole and a washer 54 positioned on the top surface of the top wall 50a, and both the washers 53, 54 are dish-shaped. It is crimped and fixed to the top wall portion 50 a of the storage case 50. As a result, the sleeve 32 can be rotated together with the door-side hinge plate 7 (the hinged door 2). The vertical adjustment screw 33a of the pivot bearing 33 is screwed into the female screw portion 32a of the sleeve 32 from the washer 54 side (through hole 50f side).

  Next, as shown in FIGS. 4 and 5, the upper hinge 4 includes a vertical movement mechanism 40 (following movement mechanism) instead of the vertical adjustment mechanism 30 of the lower hinge 3. The vertical movement mechanism 40 is attached to the hinge shaft 8, follows the movement of the hinged door 2 in the height direction O <b> 3, and allows the door-side hinge plate 7 to rotate with respect to the frame-side hinge plate 106.

  The vertical movement mechanism 40 includes a frame-side holding shaft 41 (axial member) whose upper end (tip) is inserted into the through hole 106a of the frame-side hinge plate 106, and a sleeve that is concentrically covered with the frame-side holding shaft 41. 42 (cylindrical member) and a compression coil spring 43 (elastic member) interposed between the frame side holding shaft 41 and the sleeve 42. When the hinged door 2 moves in the height direction O3 by the vertical adjustment mechanism 30 of the lower hinge 3, while holding the hinged door 2 on the frame side hinge plate 106 side (upper side) by the elastic force of the compression coil spring 43, The frame side holding shaft 41 follows the movement of the hinged door 2 in the height direction O3.

  As shown in FIG. 5, the frame-side holding shaft 41 has a large-diameter portion 41 a formed on one end side (upper end side) with a larger diameter than the main body portion 41 b. On the other hand, the sleeve 42 has a circular hole portion 42a formed along the height direction O3 on the inner peripheral surface thereof. The compression coil spring 43 is disposed between the main body portion 41 b of the frame side holding shaft 41 and the circular hole portion 42 a of the sleeve 42, and both ends of the compression coil spring 43 are connected to the large diameter portion 41 a of the frame side holding shaft 41 and the sleeve 42. It is held at each step of the circular hole 42a.

  Further, as shown in FIG. 5, the outer peripheral surface of the main body portion 42b of the sleeve 42 has a remaining portion including a portion penetrating the through holes 11a and 21a, only the tip end portion 42b1 is formed in a circular shape when viewed from the direction of the axis O3. The portion 42b2 is formed in a non-circular shape (for example, a pseudo square shape). Thereby, based on opening / closing of the hinged door 2 with respect to the fixed frame 5, the door side hinge plate 7 and the sleeve 42 rotate integrally with the front / rear slider 11 and the left / right slider 21 around the axis O <b> 3 of the hinge shaft 8.

  The frame-side holding shaft 41 and the sleeve 42 are arranged in such a manner as to penetrate through overlapping portions of the front and rear sliders 11 and the left and right sliders 21, that is, through holes 11a and 21a. In addition, since the configurations of the front / rear adjustment mechanism 10, the left / right adjustment mechanism 20, and the storage case 50 are the same as those of the lower hinge 3, the description thereof is omitted.

  Incidentally, as shown in FIG. 5, a plastic cylindrical sleeve 106 b is fitted into the through hole 106 a in the height direction O 3 formed in the frame side hinge plate 106. The frame-side holding shaft 41 passes through the inside of the sleeve 106 b, and the upper end portion (tip portion) projects from the plate surface 106 p that is the upper surface of the frame-side hinge plate 106. Further, the frame side holding shaft 41 has a female screw portion 41c formed on the end surface (lower end surface) of the main body portion 41b opposite to the side on which the large diameter portion 41a is formed. The operating member 45 (usually in a flat ring shape) is fixed to the frame-side holding shaft 41 by screwing the fixing screw 44 (mounting tool) with the female screw portion 41c.

  Accordingly, since the hinged door 2 is held on the frame side hinge plate 106 side (upper side) by the elastic force of the compression coil spring 43, the frame side holding shaft 41 in the normal mounting state and use state (opening / closing state). Does not come off the frame side hinge plate 106. When the operating member 45 is pulled downward against the elastic force of the compression coil spring 43 and the large-diameter portion 41a of the frame-side holding shaft 41 is extracted from the sleeve 106b of the frame-side hinge plate 106, the hinged door 2 is fixed to the fixed frame. 5 can be removed. However, if the frame-side holding shaft 41 is not sufficiently attached (fitted) to the frame-side hinge plate 106 (through hole 106a) or the hinged door 2 is frequently opened and closed, the frame-side holding shaft 41 There is a possibility that 41 may come out of the frame side hinge plate 106 (through hole 106a). Therefore, in this embodiment, the following devices are added to the operation member 45 and the like.

  The operating member 45 has a cylindrical portion 45a having a common axis O with the frame-side holding shaft 41, and a part of the peripheral surface of the cylindrical portion 45a facing the outside in the radial direction over a predetermined angular range (for example, 90 °). And a bulging portion 45b formed so as to extend in a bowl shape and function as a retaining ring for preventing the frame-side holding shaft 41 from slipping out.

  Specifically, the retaining ring 45 is fixed by a fixing screw 44 in contact with the lower end surface of the main body portion 41 b of the frame-side holding shaft 41 protruding from the storage case 50, and the top wall of the storage case 50. It seats on the washer part 153a with a square hole and the washer 54 of the ring receiving metal fitting 153 (receiving member), which is crimped to the upper surface of the part 50a. A part of the washer portion 153a in the circumferential direction is bent in the direction of the axis O to form a large-diameter portion 153b into which the bulging portion 45b of the retaining ring 45 can be inserted. A small diameter portion 153c into which the cylindrical portion 45a of the retaining ring 45 can be inserted is formed by being partially bent in the direction of the axis O with the same width as the large diameter portion 153b.

  Accordingly, the retaining ring 45 can be rotated integrally with the frame-side holding shaft 41 around the axis O, and along the axis O together with the frame-side holding shaft 41 against the elastic force of the compression coil spring 43. Can be moved downward. Further, the frame-side holding shaft 41 and the sleeve 42 can be rotated together with the door-side hinge plate 7 (the hinged door 2), and the frame-side holding shaft 41 is along the axis O with respect to the storage case 50 and the sleeve 42. Can be moved. When the bulging portion 45b is inserted into the large-diameter portion 153b of the ring bracket 153 in accordance with the rotation operation of the retaining ring 45, the retaining ring 45 is prevented from moving downward.

  The retaining ring 45 and the ring bracket 153 are each formed with a positioning portion for restricting the relative rotational position of the bulging portion 45b and the large diameter portion 153b. Specifically, a positioning convex portion 45 d is formed on the bulging portion 45 b of the retaining ring 45, while a positioning concave portion 153 d is formed on the large diameter portion 154 b of the ring receiving metal 153. When the bulging portion 45b is inserted into the large diameter portion 153b, the positioning convex portion 45d and the positioning concave portion 153d engage with each other, so that the operator can perceive the completion position of the retaining operation.

  A cutout groove 45c (concave groove) is formed on the outer peripheral surface of the cylindrical portion 45a excluding the bulging portion 45b of the retaining ring 45 described above along the axis O direction over substantially the entire length except for a part of the cylindrical portion 45a. Since it is formed, the cylindrical part 45a opens in a C-shaped cross section. On the other hand, on the inner surface of the storage case cover 151, an upper wall 151a (projection wall) and a lower wall 151b corresponding to the notch groove 45c are formed along the axis O direction. When the bulging portion 45b is inserted into the large-diameter portion 153b of the ring bracket 153 and the retaining ring 45 is prevented from moving downward, and the storage case cover 151 is slid along the direction of the axis O The upper wall 151 a is inserted into the cutout groove 45 c of the retaining ring 45. At this time, the lower wall 151b passes through the back side of the cylindrical portion 45a and the large diameter portion 153b. As a result, the storage case cover 151 covers the retaining ring 45 and the ring bracket 153 and is attached to the storage case 50.

  As described above, in FIG. 5, the upper end portion of the frame-side holding shaft 41 protrudes above the plate surface 106 p of the frame-side hinge plate 106. A bifurcated retaining clip 46 (a retaining member) that prevents the frame-side holding shaft 41 from coming out of the frame-side hinge plate 106 is attached to the protruding portion. By attaching a retaining clip 46 to the upper end of the frame-side holding shaft 41 in combination with a retaining ring 45 provided at the lower end of the frame-side holding shaft 41, the hinge shaft 8 is prevented from coming off twice. Yes.

  Specifically, a circumferential groove 41d having a predetermined depth is formed on the outer peripheral surface of the protruding portion (upper end) of the frame-side holding shaft 41, and the bifurcated retaining clip 46 has an axis O with respect to the circumferential groove 41d. It is detachable in a radial direction orthogonal to (intersects) and is mounted so as to be rotatable around the axis O. Such a retaining clip 46 can be attracted and fixed to the plate surface 106 p of the frame side hinge plate 106 by the magnetic adhesion force of the permanent magnet 48. Since the retaining clip 46 maintains the state of being attracted and fixed to the frame-side hinge plate 106 by the magnetic force of the permanent magnet 48, the retaining clip 46 does not protrude from the fixed frame 5 even when the hinged door 2 is opened and closed, and has a good appearance. .

  As shown in FIG. 10, the retaining clip 46 and the permanent magnet 48 are respectively accommodated in the clip accommodating recess 47a and the permanent magnet accommodating recess 47b of the synthetic resin clip case 47, so that the retaining clip 46 is lost. In addition, it is easy to insert and remove the frame-side holding shaft 41 into and from the circumferential groove 41d. When such a clip case 47 is formed by insert molding using the retaining clip 46 and the permanent magnet 48 as an insert metal fitting, the number of parts can be reduced and the structure can be simplified.

  Returning to FIG. 5, the frame side holding shaft 41 protrudes downward against the elastic force of the compression coil spring 43 when the door unit 1 is attached to the fixed frame 5. In order to maintain, the temporary fixing ring 9 (temporary fixing member) made of synthetic resin is provided between the top wall portion 50a of the storage case 50 (the washer portion 153a and the washer 54 of the ring bracket 153) and the retaining ring 45. Is intervened. A ring portion 9a that opens in a C-shape is formed on the distal end side of the temporary fixing ring 9 so that the frame-side holding shaft 41 can be fitted, and a proximal end side that is integrally formed continuously with the ring portion 9a is formed on the proximal end side. A disc-shaped knob 9b is formed.

  Then, with the retaining ring 45 pulled downward, the C-shaped opening is pushed in and attached so that the ring portion 9a of the temporary retaining ring 9 is fitted to the frame-side holding shaft 41, thereby holding the frame side. The shaft 41 can be protruded and maintained downward. Furthermore, after the door unit 1 is attached to the fixed frame 5 via the hinge shaft 8 (frame side holding shaft 41), if the temporary fixing ring 45 is removed from the frame side holding shaft 41, the attaching operation to the fixed frame 5 can be performed. Since it is completed, the mounting operation can be facilitated and can be efficiently performed in a short time.

A method of assembling the upper hinge 4 having the above configuration will be described.
(2-1) Storage case 50 assembly process <FIG. 5>
Since it is the same as the assembly process of the storage case 50 of the lower hinge 3, the description thereof is omitted.

(2-2) Storage case 50 setting process <FIG. 5>
The storage case 50 is placed and fixed on the support piece 7 b of the door side hinge plate 7. The main body portion 42b of the sleeve 42 is inserted into the through hole 7d of the support piece 7b along the axis O, and the flange portion 42c is seated on the upper surface of the support piece 7b. The main body portion 41b of the frame side holding shaft 41 protruding from the storage case 50 is inserted into the washer portion 153a with a square hole and the washer 54 of the ring bracket 153 positioned on the upper surface of the top wall portion 50a, and the washer portion 153a. Both the washer 54 and the washer are caulked in a dish shape and fixed to the top wall portion 50 a of the storage case 50. On the other hand, the retaining ring 45 is fixed to the main body 41 b of the frame side holding shaft 41 by the fixing screw 44. As a result, the frame-side holding shaft 41 and the sleeve 42 can be rotated together with the door-side hinge plate 7 (the hinged door 2), and the frame-side holding shaft 41 and the retaining ring 45 are connected to the storage case 50 and the sleeve 42. On the other hand, it becomes movable along the height direction O3.

Next, a method for attaching the door unit 1 to the fixed frame 5 will be described.
(3-1) Preparation Step <FIG. 1; FIG. 5>
In the lower hinge 3, one frame-side hinge plate 6 is fixed to the fixed frame 5, and the other door-side hinge plate 7 is fixed to the wooden mouth 2b below the hinged door 2 (see FIG. 1). Similarly, in the upper hinge 4, one frame side hinge plate 106 is fixed to the fixed frame 5, and the other door side hinge plate 7 is fixed to the top 2a of the hinged door 2 (see FIG. 1). In addition, in the state where the retaining ring 45 of the upper hinge 4 is pulled downward, the ring portion 9a of the temporary retaining ring 9 is pushed in so as to be fitted to the frame side holding shaft 41, and the frame side holding shaft 41 is attached. The retaining clip 46 is pushed into the circumferential groove 41d and mounted (see FIG. 5).

(3-2) Lower hinge 3 mounting step <FIGS. 3 and 2>
Then, the frame side fixed shaft 31 fixed to the frame side hinge plate 6 of the lower hinge 3 is inserted into the sleeve 32 held by the door side hinge plate 7, and the distal end portion 31 a of the frame side fixed shaft 31 and the pivot bearing 33 are inserted. The lower hinge 3 is held by the frame-side hinge plate 6 (see FIGS. 3 and 2).

(3-3) Upper hinge 4 mounting step <FIGS. 6 and 7>
The upper hinge 4 in a state in which the frame side holding shaft 41 protrudes downward by the temporary fixing ring 9 is moved so that the center positions of the large diameter portion 41a of the frame side holding shaft 41 and the sleeve 106b of the frame side hinge plate 106 are aligned. (See FIG. 6). Thereafter, the retaining clip 46 is removed from the circumferential groove 41 d of the frame side holding shaft 41, and the temporary fixing ring 9 is removed from the frame side holding shaft 41, so that the frame side holding shaft 41 is framed by the elastic force of the compression coil spring 43. The upper hinge 4 is inserted into the sleeve 106 b of the side hinge plate 106 and held by the door side hinge plate 7. Thus, the door unit 1 is attached to the fixed frame 5 and can be opened and closed (see FIG. 7).

(3-4) Upper hinge 4 retaining set process <FIG. 8>
The retaining clip 46 is mounted again in the circumferential groove 41 d of the frame side holding shaft 41. Further, until the bulging portion 45b is inserted into the large diameter portion 153b of the ring receiving metal fitting 153 (for example, 180 °), the retaining ring 45 is rotated so that the retaining ring 45 cannot be moved downward.

Next, a method for adjusting the position of the door unit 1 with respect to the fixed frame 5 (a method for adjusting the gap) will be described with reference to FIGS. 1, 2, and 4.
(4-1) Thickness direction O1 adjustment process (front-rear gap S1 adjustment process)
The hinged door 2 is maintained in a state of closing the fixed frame 5. The hinged door 2 is moved in the thickness direction O1 by the front / rear adjustment mechanism 10 provided on the lower hinge 3 and the upper hinge 4 to adjust the position. Thereby, the front-rear gap S1 (see FIG. 1B) between the hinged door 2 and the fixed frame 5 is adjusted.

(4-2) Width direction O2 adjustment process (left-right clearance S2 adjustment process)
The left and right adjustment mechanisms 20 provided on the lower hinge 3 and the upper hinge 4 respectively move the hinged door 2 in the width direction O2 to adjust the position. Thereby, the left and right clearance S2 (see FIG. 1A) between the hinged door 2 and the fixed frame 5 is adjusted.

(4-3) Height direction O3 adjustment process (upper and lower gap S3 adjustment process)
By the vertical adjustment mechanism 30 provided in the lower hinge 3, the hinged door 2 is moved in the height direction O3 to adjust the position. At this time, the vertical movement mechanism 40 provided on the upper hinge 4 follows the movement of the hinged door 2 in the height direction O3. Accordingly, the vertical gap S3 (see FIG. 1A) between the hinged door 2 and the fixed frame 5 is adjusted.

(4-4) Storage Case Cover 51, 151 Set Process The storage case cover 51 is placed on the storage case 50 of the lower hinge 3 that has been adjusted in the three directions (see FIG. 2), and the storage case 50 of the upper hinge 4 is placed. A storage case cover 151 is put on the head (see FIGS. 4 and 9). In the upper hinge 4, only when the bulging portion 45b of the retaining ring 45 is inserted into the large-diameter portion 153b of the ring bracket 153 and the downward movement of the retaining ring 45 is prevented (see FIG. 8). A storage case cover 151 can be attached to the storage case 50.

  In this way, the retaining ring 45 and the frame-side holding shaft 41 are integrally rotated, and the bulging portion 45b extending from the tubular portion 45a of the retaining ring 45 is simply inserted into the large-diameter portion 153b of the ring bracket 153. With this simple structure and operation, the function of preventing the hinge shaft 8 from coming off (preventing to come off) can be realized.

(Example 2)
FIG. 11 is a perspective view showing another example of the upper hinge used in the hinged door unit according to the present invention, and FIG. 12 is an exploded perspective view of the upper hinge. The upper hinge 4 shown in this embodiment is different from FIGS. 1 and 2 (Embodiment 1) in the following points.

(A) As shown in FIGS. 11 and 12, the retaining ring 145 (operation member) includes a flat plate-like annular portion 145a having a common axis O with the frame-side holding shaft 41, and the annular portion 145a. A part in the circumferential direction has a bulging portion 145b formed to extend in a fan shape (or bowl shape) outward in the radial direction over a predetermined angle range (for example, 90 °), and has a frame-side holding shaft 41 (axial member) ). When the bulging portion 145b is inserted into the large diameter portion 253b of the ring receiving metal fitting 253 (receiving member) in accordance with the rotation operation of the retaining ring 145, the retaining ring 145 is prevented from moving downward. In addition, positioning portions 145d and 253d for restricting the relative rotational positions of the bulging portion 145b and the large-diameter portion 253b are also formed in the retaining ring 145 and the ring receiving metal 253 of this embodiment.

  Since the retaining ring 145 does not have a cylindrical portion, there is no notch (concave groove) in the axial direction, and no protruding wall is provided on the inner surface of the storage case cover 51 (cover body). Therefore, in Example 2, the position where the large diameter portion 253b is provided can be freely selected in the circumferential direction.

(B) The ring metal fitting 253 is formed with a large-diameter portion 253b into which the bulging portion 145b of the retaining ring 145 can be inserted and connected to the washer portion 253a. However, since the retaining ring 145 has a flat shape, the ring receiving metal 253 is not formed with a small diameter portion corresponding to the cylindrical portion as in the first embodiment. The vertical dimension (height) of the retaining ring 145 and the storage case cover 51 of the second embodiment is smaller than that of the first embodiment, and can be made compact and compact.

(C) A plastic cap 106c (lid member) is fitted into the frame side hinge plate 106 (attachment portion side hinge plate) so as to close the through hole 106a in the height direction O3. Specifically, the cap 106c is formed so that the top portion is closed and opened downward, and the tip (upper end) of the frame side holding shaft 41 is inserted from the lower side opening. A circumferential groove is not formed at the upper end of the shaft 41, and the retaining clip of Example 1 is not provided.

  In the second embodiment, “an assembly method for the lower hinge 3” and “an assembly method for the upper hinge 4” are the same as those in the first embodiment. Next, the “method for attaching the door unit 1 to the fixed frame 5” in the second embodiment will be described.

(3-1) Preparation Step <FIG. 1; FIG. 12>
In the lower hinge 3, one frame-side hinge plate 6 is fixed to the fixed frame 5, and the other door-side hinge plate 7 is fixed to the wooden mouth 2b below the hinged door 2 (see FIG. 1). Similarly, in the upper hinge 4, one frame side hinge plate 106 is fixed to the fixed frame 5, and the other door side hinge plate 7 is fixed to the top 2a of the hinged door 2 (see FIG. 1). In the state where the retaining ring 145 of the upper hinge 4 is pulled downward, the ring portion 9a of the temporary retaining ring 9 is pushed in so as to be fitted to the frame side holding shaft 41 (see FIG. 12).

(3-2) Lower hinge 3 mounting step <FIGS. 3 and 2>
It is the same as that of the lower hinge 3 attachment process of Example 1.

(3-3) Upper hinge 4 mounting step <FIGS. 13 and 14>
The upper hinge 4 in a state where the frame side holding shaft 41 protrudes downward by the temporary fixing ring 9 is moved so that the center positions of the large-diameter portion 41a of the frame side holding shaft 41 and the cap 106c of the frame side hinge plate 106 are aligned. (See FIG. 13). Thereafter, by temporarily removing the temporary fixing ring 9 from the frame side holding shaft 41, the frame side holding shaft 41 is inserted into the cap 106c of the frame side hinge plate 106 by the elastic force of the compression coil spring 43, and the upper hinge 4 is moved to the door side. It is held by the hinge plate 7. As a result, the door unit 1 is attached to the fixed frame 5 and can be opened and closed (see FIG. 14).

(3-4) Upper hinge 4 retaining set process <FIG. 15>
The retaining ring 145 is rotated until the bulging portion 145b is inserted into the large-diameter portion 253b of the ring metal fitting 253 (for example, 180 °), and the retaining ring 145 is set in a state where it cannot move downward.

  Next, in the second embodiment, “a method of adjusting the position of the door unit 1 with respect to the fixed frame 5 (a method of adjusting the gap)” is the same as that of the first embodiment.

  In this way, the retaining ring 145 and the frame-side holding shaft 41 are rotated together, and the bulging portion 145b extending from the annular portion 145a of the retaining ring 145 is simply inserted into the large-diameter portion 253b of the ring bracket 253. With a simple structure and operation, the hinge shaft 8 can be prevented from coming off (preventing to come off), and the vertical dimension (height) of the hinge can be suppressed to reduce the size. In addition, since the position where the large-diameter portion 253b is provided can be freely selected and set in the circumferential direction, this point can also contribute to further downsizing of the hinge.

(Example 3)
17 and 18 are explanatory views showing still another example of the upper hinge used in the hinged door unit according to the present invention. In the upper hinge 4 shown in this embodiment, a dual-purpose ring 245 (operation member) having both functions of a retaining ring and a temporary retaining ring is used.

  As shown in FIGS. 17 and 18, the dual-purpose ring 245 (operation member) can be rotated integrally with the frame-side holding shaft 41 (axial member) around the axis O, and the compression coil spring 43 (repulsion) The member can be moved in the vertical direction along the axis O together with the frame-side holding shaft 41 by the upward elastic force of the member) or against the elastic force. The dual-purpose ring 245 is a flat plate-like annular portion 245a having a common axis O with the frame-side holding shaft 41, and a part in the circumferential direction of the annular portion 245a is radially outward over a predetermined angular range (for example, 90 °). And a bulging portion 245b formed in a fan shape (or bowl shape). Further, the frame-side holding shaft 41 and the sleeve 42 can be integrally rotated together with the door-side hinge plate 7 (the hinged door 2; see FIG. 1), and the frame-side holding shaft 41 is relative to the storage case 50 and the sleeve 42. And can be moved along the axis O.

  In the ring receiving metal fitting 353 (receiving member), a part of the washer portion 353a in the circumferential direction is bent in the axis O direction to form a retaining large diameter portion 353b2 into which the bulging portion 245b of the dual purpose ring 245 can be inserted. Further, a large diameter portion for temporary fixing into which the bulging portion 245b of the dual-purpose ring 245 can be inserted by sandwiching a small diameter portion 353c2 for retaining from the lower side and further bending a part of the circumferential direction in the direction of the axis O 353b1 is formed, and a temporary fixing small-diameter portion 353c1 is formed therebelow.

  The dual-purpose ring 245 and the ring metal fitting 353 are formed with positioning portions for restricting the relative rotational positions of the bulging portion 245b, the temporary fixing large diameter portion 353b1, and the retaining large diameter portion 353b2. Specifically, a positioning convex portion 245d (positioning portion) is formed on the bulging portion 245b of the dual purpose ring 245, while the temporary fixing large diameter portion 353b1 and the retaining large diameter portion 353b2 of the ring metal fitting 353 are temporarily provided. A stopper positioning recess 353d1 (positioning portion) and a stopper positioning recess 353d2 (positioning portion) are formed. When the bulging portion 245b is inserted into the temporary fixing large diameter portion 353b1 or the retaining large diameter portion 353b2, the positioning convex portion 245d is engaged with the temporary fixing large diameter portion 353b1 or the retaining large diameter portion 353b2. By doing so, the operator can perceive the completion position of the temporary fixing operation or the retaining operation.

  When the bulging portion 245b is inserted into the temporary fixing large-diameter portion 353b1 of the ring receiving metal fitting 353 by rotating and moving the dual-purpose ring 245, the dual-purpose ring 245 has an upward elastic force. Therefore, the large diameter portion 353b1 for temporary fixing is seated at the temporary fixing position L1 and the upward movement is prevented. On the other hand, when the bulging portion 245b is inserted into the retaining large diameter portion 353b2 of the ring receiving metal fitting 353 by rotating and moving the dual-purpose ring 245, the dual-purpose ring 245 has an upward elastic force. Accordingly, the large diameter portion 353b2 for retaining is seated at the retaining position L2 and is prevented from moving downward.

  Thus, since the dual-purpose ring 245 serves both as a temporary fixing operation and a retaining operation, the upper hinge 4 and thus the hinged door unit 1 can be made small and simple in structure.

  In the above embodiment, the position adjustment (gap adjustment) of the hinged door 2 in the three directions is performed from the inside of the hinged door 2 (room entrance) with the hinged door 2 closing the fixed frame 5. You may make it perform from. Further, the hinges 3 and 4 may be provided on the left side of the hinged door 2. Furthermore, in Example 2 (FIGS. 11 to 16) and Example 3 (FIGS. 17 and 18), parts having the same functions as those of Example 1 (FIGS. 1 to 10) are denoted by the same reference numerals. Some details are omitted. It should be noted that the matters described in the embodiments can be combined with each other as long as no technical contradiction occurs.

  By the way, as shown in FIGS. 3 and 5, the shape of the through hole 7d of the door side hinge plate 7, the outer shape of the remaining portion 32b2 of the sleeve 32, and the outer shape of the remaining portion 42b2 of the sleeve 42 are all (pseudo). Although formed in a quadrangular shape, these may be other (pseudo) polygonal shapes, (pseudo) elliptical shapes, or the like. That is, these shapes allow the sleeves 32 and 42 to move relative to the sliders 11 and 21 (through holes 11a and 21a) in the width direction O2 and the thickness direction O1, respectively, when the position of the hinged door 2 is adjusted, and It is sufficient that the sleeves 32 and 42 can be rotated integrally with the sliders 11 and 21 (through holes 11a and 21a) when the hinged door 2 is opened and closed.

By the way, the following hinged door unit can be grasped as another independent invention.
The lower hinge 3 is attached to the lower part of the door body 2 that can be opened and closed with respect to the door attachment part 5, while the upper hinge 4 is attached to the upper part of the door body 2, and the lower hinge 3 and the upper hinge 4 are The attachment part side hinge plates 6, 106 attached to the door attachment part 5, the door side hinge plates 7, 7 attached to the door body 2, and both the hinge plates in the opening / closing direction of the door body 2. A hinged door unit 1 having a hinge shaft 8 that is pivotably connected at
The lower hinge 3 is
The door body 2 is attached to the door-side hinge plate 7, and the door body 2 is moved in the thickness direction O1 in a plane orthogonal to the axis O of the hinge shaft 8, and the orthogonal plane is orthogonal to the thickness direction O1. A first adjusting mechanism 10 for allowing movement of the door body 2 in the width direction O2 of the door body 2 and the height direction O3 of the door body 2 along the axis O of the hinge shaft 8;
The door body 2 is attached to the door-side hinge plate 7 and moves the door body 2 in the width direction O2 and allows the door body 2 to move in the thickness direction O1 and the height direction O3. A second adjustment mechanism 20;
A first shaft is attached to the hinge shaft 8, moves the door body 2 in the height direction O 3, and allows relative rotation of the attachment portion side hinge plate 6 and the door side hinge plate 7. Three adjustment mechanisms 30;
Meanwhile, the upper hinge 4 is
The first adjusting mechanism 10, the second adjusting mechanism 20, and a resilient member 43 that is incorporated in the hinge shaft 8 and follows the movement of the door body 2 in the height direction O3; and A follow-up movement mechanism 40 for allowing relative rotation of the attachment-side hinge plate 106 and the door-side hinge plate 7;
The upper end portion of the shaft-like member 41 protrudes above the plate surface 106p of the attachment-portion-side hinge plate 106, and the protrusion of the shaft-like member 41 from the attachment-portion-side hinge plate 106 protrudes from the protruding portion. A retaining member 46 for blocking is mounted,
A circumferential groove 41d having a predetermined depth is formed on the outer peripheral surface of the protruding portion of the shaft-like member 41,
The retaining member 46 is a retaining clip that can be attached to and detached from the circumferential groove 41 d in a direction intersecting the axis O, and is rotatably mounted around the axis O. The hinged door unit 1 can be fixed to the plate surface 106p of the mounting portion side hinge plate 106 by suction.

  As a result, the retaining clip maintains the state in which the retaining clip is attracted and fixed to the attachment-side hinge plate by the magnetizing force of the permanent magnet, so that the retaining clip does not protrude from the door mounting portion such as the frame body as the door body opens and closes. Is good.

Further, the following hinged door unit can be grasped as another independent invention.
The lower hinge 3 is attached to the lower part of the door body 2 that can be opened and closed with respect to the door attachment part 5, while the upper hinge 4 is attached to the upper part of the door body 2, and the lower hinge 3 and the upper hinge 4 are The attachment part side hinge plates 6, 106 attached to the door attachment part 5, the door side hinge plates 7, 7 attached to the door body 2, and both the hinge plates in the opening / closing direction of the door body 2. A hinged door unit 1 having a hinge shaft 8 that is pivotably connected at
The lower hinge 3 is
The door body 2 is attached to the door-side hinge plate 7, and the door body 2 is moved in the thickness direction O1 in a plane orthogonal to the axis O of the hinge shaft 8, and the orthogonal plane is orthogonal to the thickness direction O1. A first adjusting mechanism 10 for allowing movement of the door body 2 in the width direction O2 of the door body 2 and the height direction O3 of the door body 2 along the axis O of the hinge shaft 8;
The door body 2 is attached to the door-side hinge plate 7 and moves the door body 2 in the width direction O2 and allows the door body 2 to move in the thickness direction O1 and the height direction O3. A second adjustment mechanism 20;
A first shaft is attached to the hinge shaft 8, moves the door body 2 in the height direction O 3, and allows relative rotation of the attachment portion side hinge plate 6 and the door side hinge plate 7. Three adjustment mechanisms 30;
Meanwhile, the upper hinge 4 is
The first adjusting mechanism 10, the second adjusting mechanism 20, and a resilient member 43 that is incorporated in the hinge shaft 8 and follows the movement of the door body 2 in the height direction O3; and A follow-up movement mechanism 40 for allowing relative rotation of the attachment-side hinge plate 106 and the door-side hinge plate 7;
Further, the upper hinge 4 is fixed to a shaft-shaped member 41 that constitutes the hinge shaft 8 and is given an upward elastic force by the elastic member 43, and a lower end of the shaft-shaped member 41. The shaft member 41 can be integrally rotated around the axis O, and can be moved along the axis O together with the shaft member 41 by the resilient force of the resilient member 43 or against its elastic force. An operation member 245, and a receiving member 353 for seating the operation member 245 by the upward elastic force of the elastic member 43 in a state where the shaft-like member 41 is inserted,
The operating member 245 moves downward in the axial direction and is prevented from moving upward by the receiving member 353 at the temporary fixing position L1 rotated by a predetermined range in the circumferential direction, while moving upward in the axial direction and in the circumferential direction. The hinged door unit 1 is prevented from moving downward by the receiving member 353 at a retaining position L2 rotated by a predetermined range.

  As a result, since the operation member serves both as a temporary fixing operation and a retaining operation, the hinge and thus the hinged door unit can be made small and simple in structure.

1 door unit 2 hinged door (door)
3 Lower hinge 4 Upper hinge 5 Fixed frame (door mounting part)
6,106 Frame side hinge plate (Mounting side hinge plate)
106p Plate surface 7 Door side hinge plate 8 Hinge shaft 9 Temporary fastening ring (temporary fastening member)
10 Front-rear adjustment mechanism (first adjustment mechanism)
11 Front / rear slider (first engaging part; first operating part)
20 Left / right adjustment mechanism (second adjustment mechanism)
21 Left and right slider (second engaging part; second operating part)
30 Vertical adjustment mechanism (third adjustment mechanism)
31 frame side fixed shaft (shaft-shaped member; third engagement portion; third operation portion)
32 sleeve (tubular member; third engaging portion; third actuating portion)
33 Pivot bearing (bearing body; third engaging part; third working part)
40 Vertical movement mechanism (follow-up movement mechanism)
41 Frame side holding shaft (shaft-shaped member)
41d Circumferential groove 43 Compression coil spring (elastic member)
45 Retaining ring (operation member)
45a cylindrical part 45b bulging part 45c notch groove (concave groove)
145 Retaining ring (operation member)
145a annular part 145b bulging part 46 retaining clip (preventing member)
47 Clip case 48 Permanent magnet 50 Storage case (case body)
51,151 Storage case cover (cover body)
151a Upper wall (protruding wall)
153 Ring bracket (receiving member)
153b Large diameter portion 253 Ring bracket (receiving member)
253b Large diameter portion O Axis O1 Thickness direction O2 Width direction O3 Height direction

Claims (3)

A lower hinge is attached to the lower part of the door body that can be opened and closed with respect to the door attachment part, while an upper hinge is attached to the upper part of the door body, and these lower hinge and upper hinge are respectively attached to the door attachment part. A hinge having a mounting portion side hinge plate to be attached, a door side hinge plate to be attached to the door body, and a hinge shaft for connecting both the hinge plates so as to be relatively rotatable in the opening / closing direction of the door body. In the door unit with
The lower hinge is
The door body is attached to the door-side hinge plate, and the door body is moved in the thickness direction as the first direction on a surface perpendicular to the axis of the hinge shaft in a state where the door body closes the door attachment portion, and The movement of the door body in the width direction of the door body as a second direction orthogonal to the thickness direction on the orthogonal plane and the height direction of the door body as a third direction along the axis of the hinge shaft. A first adjusting mechanism in which a first engaging portion to allow each is arranged;
A second engaging portion that is attached to the door-side hinge plate, moves the door body in the width direction, and allows the movement of the door body in the thickness direction and the height direction; A second adjustment mechanism arranged in a form that overlaps with the first engagement portion in a perpendicular manner when viewed from the height direction;
A third engagement portion that is incorporated in the hinge shaft, moves the door body in the height direction, and allows the door-side hinge plate to rotate with respect to the attachment-side hinge plate is the first engagement portion. A third adjustment mechanism arranged in a form penetrating the overlapping portion of the joint portion and the second engagement portion,
Meanwhile, the upper hinge is
The first adjustment mechanism, the second adjustment mechanism, a resilient member incorporated in the hinge shaft and following the movement of the door body in the height direction, and the attachment portion side hinge plate And a follow-up movement mechanism for allowing relative rotation of the door-side hinge plate,
Due to the movement of the door body in the thickness direction by the first adjustment mechanism arranged on the lower hinge and the upper hinge, and the second adjustment mechanism arranged on the lower hinge and the upper hinge, respectively. The movement of the door body in the width direction, the movement of the door body in the height direction by the third adjustment mechanism arranged on the lower hinge, and the bullet of the following movement mechanism arranged on the upper hinge. The following movement by the generating member is performed separately from each other without affecting the other adjustments, and the door body is closed or closed from the same side inside or outside the door body. The mutual distance with the part can be finely adjusted,
Further, the upper hinge includes a shaft-shaped member that constitutes the hinge shaft and is given an upward elastic force by the resilient member, and is fixed to the lower end of the shaft-shaped member, and is around the axis of the shaft-shaped member. A state in which the shaft-shaped member is inserted into the shaft-shaped member, and an operation member that can be operated to move downward along the axis along with the shaft-shaped member against the resilient force of the resilient member. And a receiving member for seating the operation member by an upward elastic force of the elastic member,
The hinged door unit, wherein the operating member is prevented from moving downward by the receiving member at a predetermined position in a circumferential direction. The operation member is formed in a flat plate-like annular portion, and a part of the annular portion in the circumferential direction extends radially outwardly in a fan shape or a bowl shape to form a bulging portion,
The receiving member is formed with a large-diameter portion into which the bulging portion of the operation member can be inserted,
2. The hinged door unit according to claim 1, wherein the operation member is prevented from moving downward when the bulging portion is inserted into the large-diameter portion of the receiving member in accordance with the rotation operation of the operation member.   The shaft-like member between the receiving member and the operation member is provided with a temporary member for maintaining a temporarily fixed state in which the operation member is moved downward together with the shaft-like member against the elastic force of the elastic member. The hinged door unit according to claim 1 or 2, wherein a stop member is provided.

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