JP2003176659A - Shaft adjusting hinge - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a shaft adjusting hinge capable of using the same component in the upper side as that in the lower side with interchangeability and vice versa, and enabling one person to carry out up-and-down adjustment work of a mounting position of a door and a frame body and hanging work of the door alone. <P>SOLUTION: The shaft adjusting hinge used for a pivot hinge mounted to the door and the frame body includes (1) a supporting section having a horizontal part, (2) a bearing section having a pivot hole and (3) a pivot section having a sleeve coaxially having a small diameter section and a female screw having a large diameter inside thereof and erected on a door mounting member, a pivot having a blind hole having a spring provided inside thereof, a male screw screwable on the female screw, a deformed shaft of a boss section, an adjusting screw making an adjusting groove in the axial center and a cap having a projected turning stop shaft having a deformed hole detachably fitted to the deformed shaft. A pair of the pivot sections are opposed to each other, the door mounting members are fixed to door up-and-down corner sections of the frame with a pair of the frame body up and down corner sections and the supporting section being opposed to each other, and the front end of the pivot is inserted into the pivot hole to enable the door to open and close. The front end of the pivot can be adjusted to be flush with the front end of the sleeve on the door mounting member side and projected thereto. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a pivot hinge mounted on a door and a frame.

[0002]

2. Description of the Related Art Pivot hinges are installed inconspicuously on the top and bottom of a door, so that they have a smart appearance, are preferable, and are widely used. However, as to adjustment of the mounting position of the pivot hinge due to building, door misalignment, etc., adjustment of the front-rear and left-right can be made by using a vertical pivot shaft as described in, for example, Japanese Patent Laid-Open No. 1-23279. It has been proposed to provide an eccentric part, loosen a set screw or nut fixing the pivot shaft and rotate the set shaft to move the eccentric part to correct the deviation, and then fix the pivot shaft with the set screw or nut.

[0003]

The above-mentioned conventional pivot hinges have different vertical configurations and are not versatile. Although the eccentric portion can be adjusted, the mounting position of the door and the frame can be adjusted to the front, rear, left and right. Although the vertical adjustment is performed by moving the pivot shaft up and down, it is difficult to hang and adjust the heavy door by one person, which requires a lot of trouble.
On the other hand, in the present invention, the components used in the vertical direction are the same and compatible, and the vertical and vertical adjustments of the mounting position with respect to the door and the frame can be performed by one person alone without any adjustment operation. The purpose of the present invention is to obtain an axis adjustment hinge that can be hung by the door and can be hung by one person.

[0004]

In order to achieve this object, according to the invention of claim 1, there is provided a pivot hinge which can be attached to a door and a frame, and a) a supporting portion having at least a horizontal portion. B) A support portion having a shaft support hole disposed in the horizontal portion, and c) a small diameter portion and a female screw portion having a diameter larger than the small diameter portion are provided coaxially inside the door mounting member. Sleeve, a pivot shaft having a blind hole in which a spring is mounted, a male screw part that can be screwed into the female screw part, a deformed shaft of the boss part, and an adjusting groove or adjusting piece provided in the shaft core part. A pivot part having a screw and a cap provided with a retaining shaft having a deformable hole that is attachable to and detachable from the deformed shaft, and the pivot parts are opposed to each other. Fixed to the upper and lower corners of the frame body by aligning the supporting parts with each other. The tip of the pivot shaft is slidably inserted into the shaft support hole to open and close the door, and the spring biases the pivot shaft in the projecting direction so that the tip of the pivot shaft is the sleeve tip of the door mounting material side. The problem was solved by the axial adjustment hinge that was adjustable in the range of flush and protruding state. In the invention of claim 2, the cap is a tubular body having a cylindrical hollow portion inside and a flat portion on the rear outer surface, and a groove or a small projection provided on the sleeve at the end of the tubular inner surface. Is provided with a small protrusion or a concave groove that can be fitted to the cylindrical body, has a rotation axis at the cylindrical axis of the cylindrical body, and mounts the rear flat portion of the cylindrical body in a direction facing the door. It is preferable to use the shaft adjusting hinge according to the first aspect of the present invention, which can be stopped. According to the invention of claim 3, the deformed shaft is substantially a regular polygon, and the deformed hole has the same shape as the deformed shaft and is attachable / detachable. Is preferred.

According to another aspect of the invention, the bearing has a disk-shaped base and a substantially regular polygonal projection, and the base has a circular shape in which the tip of the pivot shaft can slide as a shaft support hole. Eccentric hole is formed at an eccentric position from the base axis, and the pivot is formed by changing the direction of the regular polygonal projection with respect to the regular polygonal hole into which the regular projection provided at the other end of the horizontal portion can be fitted. The shaft adjustment hinge according to any one of claims 1 to 3 can be adjusted such that the axis of the shaft can be adjusted to the front, rear, left, and right. In the invention of claim 5, the supporting part has a horizontal part and a vertical part standing upright at one end of the horizontal part, and the vertical part is fixed to the upper and lower corners of the frame body. The shaft adjusting hinge according to any one of 4 above can be used. In the invention of claim 6, a) in the vertical portion of the support portion, a vertically elongated oval hole is formed in the upper and lower central portions, a horizontal rectangular groove is formed vertically at a distance from the vertically elongated oval hole, and horizontally elongated oval holes are provided at the upper and lower ends. (B) A base portion is formed by a plate-shaped substrate having an anteroposterior width slightly wider than the vertical portion and an eccentric cam, and the base portion is formed with a circular hole in the central portion and upper and lower portions slightly separated from the circular hole. Horizontal rectangular protrusions and circular holes at the upper and lower ends, and c) the base parts are fixed to one opposite alignment frame body upper and lower corners, the vertical parts are superposed on the base parts, and the central part circular hole of the substrate and the The vertical oblong holes, the horizontal rectangular protrusions of the substrate and the vertical rectangular grooves of the vertical portion, the upper and lower end circular holes of the substrate, and the upper and lower end horizontal oblong holes of the vertical portion are respectively overlapped. D) The eccentric cam includes a disk, a circular rotation shaft protruding with the shaft center eccentric to the back surface of the disk, and an adjustment groove or adjustment piece. The rotating shaft is fitted in a circular hole in the central portion of the substrate so as to be rotatable and non-protruding, and forms a frame cam by the circular disc and the vertically elongated circular hole of the vertical portion. The shaft adjusting hinge according to claim 5, wherein the position of the supporting portion can be displaced back and forth with respect to the base portion by rotation.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is an exploded perspective view of each component of an axis adjusting hinge according to an example of the present invention. 2 is shown in FIG.
It is each figure which shows a part of component of the axis adjustment hinge of FIG. FIG. 3 is a view showing each of the components of the shaft adjustment hinge of FIG. FIG. 4 is a view showing a state where the shaft adjusting hinge of FIG. 3 is attached to a door and a frame. FIG. 5 is a schematic explanatory view of vertical adjustment of the shaft adjustment hinges of FIGS. FIG. 6 is a schematic side view for explaining the adjustment by the support portion and the base portion of the shaft adjustment hinges of FIGS. FIG. 7 is a perspective view showing a door and a frame body to which the shaft adjusting hinge of the present invention is attached. The positional relationship of each component is the use state of the hinged door shown in FIG. 7, and the side where the door moves is the outside,
The opposite side will be referred to as the inside, and the front and rear, the left and right, and the top and bottom when viewed from the outside to the inside, and the respective frame bodies on which the door is suspended will be described as vertical B ₁ and B ₂ , upper B ₃ , and lower B ₄ . In FIG.
The axis adjusting hinge 1 of the example of the present invention used below the door is
Support portion 2, support portion 3, base portion 4, and pivot portion 5
And have. Here, the base part 4 is an optional component. The axial adjustment hinge 10 used above the door is simply arranged such that the respective constituent elements of the axial adjustment hinge 1 are turned upside down, and a detailed description thereof will be omitted. The support unit 2 has a base 21.
And a polygonal protrusion 22. The base 21 has a disk shape, and a circular eccentric hole 21a is formed at a position eccentric from the shaft center of the base 21 as a shaft support hole through which a tip shaft 53c of a pivot shaft 53 described later can slide. The polygonal protrusions 22 are, for example, regular polygons such as regular hexagons and regular octagons, and are provided on the back surface of the base 21 so as to be aligned with the axis of the base 21.

The supporting portion 3 includes a horizontal portion 31 having a substantially rectangular plate shape,
It has a substantially rectangular plate-shaped vertical portion 32 which is erected at one end portion (right rear in the example of FIG. 1) of the horizontal portion 31, and a fixture 33. The horizontal part 31 has the other end left and right center parts (the front end in the example of FIG. 1).
A regular polygonal hole 3 into which a regular polygonal protrusion 22 can be fitted
1a is formed in the vertical portion 32, and a vertically long oval hole 32a in the upper and lower central portions is formed in the vertical portion 32.
2b and oblong oblong holes 32c, 32c at the upper and lower ends are formed. The fixing tool 33 is a pair of, for example, head bolts that are inserted into the upper and lower oval holes 32c and can be fixed to the circular holes 41c of the base portion 41 of the base portion 4 described later. The base part 4 is
Base 41, eccentric cam 42, fastener 43, cover 4
4 and. The base portion 41 has a front-rear width slightly wider than the vertical portion 32 by 2y, and the three-sided end portion except the lower surface of the substantially rectangular plate-shaped substrate 41d capable of covering the vertical portion 32 has a small flange 4.
It is surrounded by 1f and has a circular hole 41a in the central part, laterally long rectangular protrusions 41b and 41b slightly apart from each other vertically, circular holes 41c and 41c in the upper and lower ends, and rectangular protrusions 41b and 41b with seats at diagonally left and right positions. Fixing holes 41e, 41e and horizontal rectangular stopper grooves 41g are formed at four positions on the left and right side small flanges 41f in the vertical and horizontal directions. The eccentric cam 42 includes a disk 42a, a circular rotation shaft 42b protruding with an eccentric shaft center on the back surface (the right side in the example of FIG. 1) of the disk 42a, and a rotation shaft 42b of the disk 42a. An adjustment groove 42c into which a jig or the like can be inserted is provided. Adjustment groove 42c
Instead of this, a slightly projecting polygonal adjustment piece may be provided and adjustable by a wrench, spanner, or the like. Rotating shaft 42
b can be fitted into the circular hole 41a so as to be rotatable and non-spoutable, and a frame cam is formed by the disc 42a and the oval hole 32a, and when the rotating shaft 42b is rotated through the adjusting groove 42c, the base 41 moves back and forth. It can be moved and adjusted. The fixing tool 43 is a pair of ordinary headed bolts that are inserted into the fixing holes 41e of the base 41 and are fixed to the frame body. The cover 44 is
Projecting pieces 44a, which are substantially rectangular plate-like and can be fitted into the respective stop grooves 41g of the base 41, are provided on both side edges so as to project, and a slight notch 4 is formed on the lower side edge.
4b is provided so that when the cover 44 is assembled to the base 41, the board 32 can be firmly housed and held in the space surrounded by the small flange 41f at the three ends and the board 41d.
It is designed so that it can be dropped into the gap at the boundary between the vertical portion 32 and the vertical portion 32. Although the cover 44 is not essential, it is preferable to provide the cover 44 in terms of aesthetics and measures against dust.

The pivot part 5 has a door mounting member 51, a sleeve 52, a pivot shaft 53, an adjusting screw 54, a cap 55, a fastener 56, and a spring 57. The door mounting member 51 is a substantially L-shaped plate member, and one side has a sleeve 52.
A round hole 51a into which the lower end can be inserted and a plurality (three in this example) of fixing holes 51b with a lower surface seat which are scattered on the other piece are formed. The door attachment material 51 is not limited to a plate material, and may be a block shape, a rod shape, or a different shape according to the door portion to be attached. The sleeve 52 is provided with a cylindrical main body 52a, a small diameter portion 52c of a round hole formed in the lower bottom surface of the main body 52a, and a female screw portion 52b having a larger diameter than the small diameter portion 52c coaxially with each other. 52a Door mounting material 51 on the lower end of the outer surface
Fitting portion 52d that allows the sleeve 52 to be fixedly erected on the door mounting material 51 by fitting it into the round hole 51a of the above and by welding or the like.
And a recessed groove 52e to which a small projection 55b of a cap 55, which will be described later, can be fitted is provided in an outer peripheral direction slightly above the fitting portion 52d. The sleeve 52 and the door mounting member 51 may not be fixed as separate bodies but may be integrally formed and erected. The pivot shaft 53 is coaxially connected to the flange portion 53a, the intermediate shaft 53b, and the tip shaft 53c in order of decreasing diameter from above, and a spring 57, which will be described later, is attached to the shaft portions of the flange portion 53a and the intermediate shaft 53b below the upper end surface. Possible blind hole 53
d is provided. Here, the flange portion 53a is a smooth side surface having a diameter capable of sliding vertically without resistance to the female screw portion 52b, the intermediate shaft 53b is slidable vertically with the small diameter portion 52c, and the tip shaft 53c is slidable with the eccentric hole 21a. It is taken in size. The adjusting screw 54 is provided with a circular flange-shaped male screw portion 54a which can be screwed into the female screw portion 52b on the lower end side surface, and a deformed shaft 54c as a rotation stopper is projected on the upper shaft core boss portion of the male screw portion 54a. An adjustment groove 54d similar to the adjustment groove 42c is provided in the shaft core portion 54c. The deformed shaft 54c has a columnar shape, and in this example, it has a shape in which a corner of a regular quadrangle is rounded, but a regular polygon other than a quadrangle, a substantially regular polygon having a rounded corner, or two parallel polygons. The shape may be surrounded by a surface, but in terms of cost and adjustment, a quadrangle as in this example is preferable. Further, in this example, a groove 54b having an approximately U-shaped cross-section opening upward is formed between the male screw portion 54a and the deformed shaft 54c, but this is for convenience of material saving, die cutting and the like, and is not essential. Absent. The cap 55 has a substantially U-shaped tubular body 55a in a plan view having an upper end sealing lid and a lower end opening capable of covering the entire sleeve 52 from above when the assembly of the other members of the pivot part 5 is completed.
The cylindrical body 55a has a cylindrical hollow portion inside,
Small projections 55b that can be fitted in the concave grooves 52e of the sleeve 52 in the horizontal direction of the lower end of the inner surface of the sleeve 5a are provided on the left and right, and the cylindrical body 55a
From the lower surface of the upper end sealing lid, a rotation stopping shaft 55c having a deformable hole 55d which is centered on the cylindrical shaft center and has substantially the same shape as the deformed shaft 54c is suspended. In this example, the front side U-shaped portion and the rear side flat portion of the tubular body 55a are provided. However, at least a flat portion is provided so that the cap 55 is made to face the door A at the time of assembly shown in FIG. By mounting the pivot part 5 on another member, it is possible to reliably prevent accidental rotation stop by hitting the door A. The front U-shaped portion is closed, and the flat portion on the rear side is a reinforcing member 55 having the same width and height as the rotation stopping shaft 55c.
Although a part is shielded by e and the remaining part is in an open state, this is a preferable structure taken into consideration for reinforcement, die cutting and dust countermeasures, and is not essential, and the flat part is completely sealed May be Also, the small protrusion 55b and the concave groove 52
e may be replaced with each other. The fixing tools 56 are the same number of normal head bolts as the fixing holes 51b for inserting the fixing member 56 to the door A by inserting them through the fixing holes 51b. Spring 5
7 is a blind hole 5 below the upper end surface of the pivot shaft 53a.
A leaf spring, a coil spring, or the like, which is attached to 3d and contacts the lower surface of the adjusting screw 54 to urge the pivot shaft 53a in the protruding direction, is used, but the coil spring is the most convenient.

Referring to FIGS. 1 and 3, first, a frame B _{1 of a} door A
Or as preparation for narrowing hanging to B _4, it will be described in sequence assembly of the axial adjustment hinge 1. First, the support portion 2 is attached to the support portion 3. The polygonal hole 3 of the horizontal portion 31 of the support portion 3
1a is fitted with the polygonal protrusion 22 of the support portion 2 to form an eccentric hole 21a.
Tentative position of. Next, the pivot part 5 is assembled. The lower end of the sleeve 52 is fitted into the round hole 51a of the door mounting member 51, and the sleeve 52 is fixedly erected on the door mounting member 51 by fitting. The pivot shaft 53 is inserted into the sleeve 52 from above, the spring 57 is attached to the blind hole 53d, the adjusting screw 54 is further inserted from above, and the male screw portion 54a is screwed into the female screw portion 52b. , (D), the adjustment screw 54 can be positioned so that the tip shaft 53c is in the state of minimum projection from the lower end of the sleeve 52, that is, the distance between the surface of the base 21 and the end of the sleeve 52 facing is very small. Just above. This is to leave an adjustment allowance at the site for hanging the door and the frame. This completes the assembly of the pivot part 5 with the cap 55 still attached.
Referring also to FIGS. 4 and 7, the door mounting member 51 is provided at the lower right corner of the door A.
Is provided with a notch aligned with the outer periphery of the portion where the substantially L-shaped fixing holes 51b are scattered.
1a portion is placed so that the fixing tool 56 is fixed to the fixing hole 51.
Insert it through b and fix it to the door A. The base portion 4 is fixed to the frame body B ₁ . Referring also to FIGS. 4 and 7, a notch is formed in the lower left corner of the frame body B _{1 so} as to match the outer circumference of the base 41, and the rectangular protrusion 41b of the base 41 is placed in this notch on the left open side. The fixing tool 43 is inserted into the fixing hole 41e and fixed to the frame body B ₁ . The support part 3 is attached to the base part 4. Vertical part 3
Each square projection 41b of the base portion 41 is fitted into each square groove 32b of No. 2, and the circular hole 41a and the oval hole 32a are aligned with each other. By swaging the rotary shaft 42b into the circular hole 41a.
It is fitted so as to be rotatable and non-protruding so that the disc 42
a is rotatable along the elliptical hole 32a, and each fixing circle 33 is inserted into each elliptical hole 32c in a state where the position of the supporting portion 3 with respect to the base portion 4 is determined by adjusting an eccentric cam 42 described later. It sticks to the hole 41c. After the final adjustment, the cover 44 is usually fitted and covered in the respective stop grooves 41g of the protruding piece 44a. Although each of the above explanations has been made on the gear adjusting hinge 1 used below the door, the gear adjusting hinge 10 used above the door is arranged such that the upper and lower sides of the respective constituent elements are arranged upside down. From the bottom with the tip end shaft 53c of the pivot shaft 53 facing upward, and the female screw portion 52 is inserted.
The threaded portion 54a is screwed onto the b and the tip shaft 53c is attached to the sleeve 5
2 is set in a protruding state from the upper end, and other details are the same as the assembly of the gear adjusting hinge 1, and therefore detailed description will be omitted. The axial center position of the eccentric hole 21a here is the gear adjustment hinges 1, 1
0 is adjusted so that they are on substantially the same vertical line, and if it is necessary to change the temporary eccentric position, the procedure for adjusting the mounting position by the support portion 2 of the gear adjustment hinges 1 and 10 to be described later is front, rear, left and right. According to.

Next, the suspension of the door A on the frames B _{1 to} B ₄ will be described. After the completion of the preparation, the gear adjustment hinge 1 for the lower door is arranged so that the lower right corner of the door A and the lower left corner of the frame B ₁ face each other as shown in FIG. It is suspended in the space between the frames B _{1 to} B ₄ , but at that time, as shown in FIG.
The tip shaft 53c of the pivot shaft 53 protruding from the lower end of the sleeve 52 is fitted toward the eccentric hole 21a. When the surface of the base 21 is touched, the weight of the door A causes the tip shaft 53c.
Is pressed and the spring 57 is compressed upward and the protruding state disappears. Therefore, the tip shaft 53c and the eccentric hole 21a are aligned with each other without resistance, and the tip shaft 53c is projected from the lower end of the sleeve 52 by the repulsive force of the spring 57. 21a is easily fitted and set slidably. Here, a screwdriver or the like is inserted into the adjusting groove 54b of the adjusting screw 54 from above to determine the lower position according to the site. After hanging the door A downward, the lower part of the door A is hung, but the upper right corner of the door A and the upper left corner of the frame B ₁ are made to face each other. In the opposite direction and as shown in FIG. 3E, the gear adjustment hinge 10
The upper part of the door A is hung toward the eccentric hole 21a while pressing the repulsive force of the spring 57 acting on the upward tip shaft 53c so as to be flush with the upper end of the sleeve 52 by a driver or a jig. After that, when the presser foot of the tip shaft 53c is removed, as shown in the opposite direction of FIGS. 3B and 3D and as shown in FIG.
Similar to the suspension of the gear adjusting hinge 1, the tip end shaft 53c projects from the upper end of the sleeve 52 by the repulsive force of the spring 57, is easily fitted into the eccentric hole 21a, and is set slidably. Here, a screwdriver or the like is inserted from below into the adjustment groove 54b of the adjustment screw 54 which is projected slightly upward, and the upper position is determined according to the site. Finally, as shown in FIG. 5, with the cap 55 facing up and down, the deformed shaft 54c of the adjusting screw 54 is fitted into the deformed hole 55d, and the small projection 55b and the recessed groove 52e of the sleeve 52 are fitted together. The flat portion faces the door A, and the adjusting screw 54 is prevented from rotating and the sleeve 52
And the suspension of the door A onto the frames B _{1 to} B ₄ is completed. The shaft center position of the eccentric hole 21a is substantially the same vertical line for both the gear adjusting hinges 1 and 10, and the upper and lower pivot shafts 53 integrated with the door A are fixed to the frame side. Sliding the eccentric hole 2 smoothly as shown in FIG.
The door A can be opened and closed by rotating around the 1a axis. When removing the door A from the frames B _{1 to} B ₄ , the upper gear adjusting hinge 10 is removed from the state shown in FIG. 5 by removing the cap 55 from the state shown in FIG. 3 (f) to FIG. 3 (e). Then, the tip end shaft 53c is pressed and removed, and then the lower gear adjusting hinge 1 is removed.

Next, referring to FIG. 5, the gear adjusting hinge 1,
The vertical adjustment of the mounting position of the door A and the frame B _{1 of} 10 will be described. FIG. 5A shows a case where the distance between the surface of the base 21 and the end of the sleeve 52 facing the upper side is a and the lower side is b, and a> b. FIG. 5B shows a case in which the distance between the surface of the base 21 and the end of the sleeve 52 facing each other is both upper and lower sides. Figure 5
(C) is a case where the distance between the surface of the base 21 and the end of the sleeve 52 facing the upper side is b, the lower side is a, and b <a. In the initial adjustment at the time of constructing the door and the frame body, the procedure for suspending the door A on the frame bodies B _{1 to} B ₄ is adjusted to the construction site according to the procedure shown in FIG.
Gear adjustment hinges 1 and 10 so as to be in either state
Adjust the top and bottom of the mounting position of. Further, in the readjustment due to a change with time such as building or door misalignment, the cap 55 is removed, the male screw portion 54a screwed with the female screw portion 52b is loosened, and the pivot shaft 53 is moved up or down to adjust in the vertical direction. After the adjustment, the deformed shaft 54c of the adjusting screw 54 is fitted into the deformed hole 55d of the cap 55, and the small protrusion 55b is fitted into the concave groove 52e of the sleeve 52 to complete the vertical adjustment. The above-mentioned vertical adjustment of the mounting position can be performed by one person from the outside without any step while the door A is suspended, and since the same gear adjustment hinges 1 and 10 can be used, there is compatibility and the number of parts can be reduced.

Next, adjustment of the mounting positions of the door A and the frame B ₁ by the support portions 2 of the gear adjusting hinges 1 and 10 will be described. This adjustment is performed by the tip shaft 5 of the pivot shaft 53.
3c is adjusted by changing the eccentric position from the axial center of the base 21 of the circular eccentric hole 21a which is slidable, but changes the direction of the polygonal polygonal projection 22 fitted in the polygonal hole 31a of the horizontal portion 31. As a result, the tip shaft 53c, that is, the pivot shaft 53
The axis of can be adjusted to the front, rear, left and right. In this adjustment work, the door A and the gear adjusting hinges 1 and 10 mounted once are removed, the direction of the polygonal protrusion 22 is changed with respect to the polygonal hole 31a, and then the position of the tip shaft 53c is shifted to form the eccentric hole 21a. The eccentric position is changed by steps corresponding to the position of the polygon to be fitted.

Next, as shown in FIG. 6, the gear adjusting hinge 1,
The adjustment of the attachment positions of the door A and the frame body B ₁ by the eccentric cam 42 before and after will be described. Eccentric cam 4 described above
Insert the screwdriver, jig, etc. into the adjustment groove 42c of 2
By rotating 2a along the elliptical hole 32a, the support portion 3 is moved back and forth with respect to the base portion 4 fixed to the frame body B ₁ to adjust the mounting position. By using the front-back width that is wider than the vertical portion 32 by 2y, in FIG.
In FIG. 6A, a state of being displaced to the rear side by 2y, a state of being displaced to the front side in FIG. 6C, and a state of being displaced to the front side by y in FIG. After the adjustment by the eccentric cam 42 is completed, each fixing tool 33 is inserted into each elliptical hole 32c and fixed to each circular hole 41c,
The cover 44 is fitted and covered. The front and rear adjustment by the eccentric cam 42 can be performed in stages. Further, in combination with the adjustment of the axial center of the pivot shaft 53 by the support portion 2 described above, it becomes possible to adjust the front, rear, left and right in a wider range.

Next, a modified example of the gear adjusting hinge of the present invention will be described. Gear adjustment hinges 1 and 10 described in detail above
Although the respective sections adjustments are possible lateral and vertical adjustments back and forth, if you simplest, frame B ₁ abolished the base portion 4
And the support part 3 are directly fixed to each other.
It is within the scope of the present invention to only adjust the axial center position of the pivot shaft 53 by means of. However, when the base portion 4 is used in combination, the front-back adjustment by the eccentric cam 42 can be added and the adjustment range can be widened. preferable. The bearing 2 is not limited to the above-mentioned example, but various other types can be used. In the simplest case, a circular eccentric hole 21a as a shaft supporting hole allows adjustment in front, rear, left and right. Alternatively, it is within the scope of the present invention to use a fixed circular hole in which the tip shaft 53c of the pivot shaft 53 is slidable as the shaft supporting hole, but it is preferable to use the adjustable eccentric hole 21a. Further, although not shown, the supporting portion 3 is replaced with the vertical portion 32, and a projecting portion forming an extension surface of the horizontal portion 31 is provided at one end portion (for example, left rear) of the horizontal portion 31 so as to have a substantially L-shape. Fastener 33 on the overhang
A plurality of round holes or oval holes into which the
The door mounting plate 51 may have a configuration similar to that of the door mounting plate 51 except that 1a is replaced by a polygonal hole 31a. This modified example is used when the vertical frame body B ₁ is difficult to process for attachment, such as glass, and the protruding portions are formed not on the vertical frame body B ₁ but on the upper frame body B ₃ and the lower frame body B _4. Are fixed by the fixing device 33.

[0015]

The gear adjusting hinge of the present invention has the same components used in the upper and lower directions and is compatible with each other, and the up and down adjustment of the mounting position with respect to the door and the frame can be performed by one person from the outside without steps. The door can be hung by itself and it is easy to use. It is also possible to adjust the front, back, left and right together.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of each component of an axis adjusting hinge of an example of the present invention.

2 shows some of the components of the pivot portion of the shaft adjustment hinge of FIG. 1, (a) AA sectional view of the adjustment screw, (b) plan view of the adjustment screw, (c) front view of the cap, FIG. 3D is a bottom view of the cap, and FIG.

3 is a sectional view taken along the axial center line of the eccentricity adjusting portion in the assembled state of the respective components below the shaft adjusting hinge of FIG.
(A) a side view excluding the pivot part, (b) a side view of the whole, (c) a schematic front view of the lower pivot part before hanging the door,
(D) A schematic front view of the lower pivot part after hanging the door,
(E) A schematic explanatory view of the upper pivot portion before hanging the door,
(F) It is a schematic explanatory drawing after suspending the door of the upper pivot part.

FIG. 4 is a plan view (a), a front view (b) and a side view (c) showing a state where the gear adjustment hinge in the assembled state of FIG. 3 (a) is attached to a door and a frame.

5A and 5B are schematic explanatory views of vertical adjustment of the shaft adjustment hinges in FIGS. 1 and 3, showing (a) upper position, (b) middle position, and (c) lower position.

6A and 6B are schematic side views for explaining the adjustment by the support portion and the base portion in the assembled state of the shaft adjustment hinge of FIGS.
The positions are rearward, (b) middle, (c) frontward, and (d) middle.

FIG. 7 is a perspective view showing a door and a frame body to which an axis adjusting hinge according to an example of the present invention is attached, showing (a) closed door and (b) open door.

[Explanation of symbols]

1, 10 Gear adjustment hinge 2 Bearing part 21 Base 22 Polygonal projection 21a Eccentric hole 3 as a shaft support hole 3 Support part 31 Horizontal part 32 Vertical part 31a Polygonal hole 4 Base part 42 Eccentric cam 42a Disk 5 Pivot part 51 Door mounting Material 52 Sleeve 53 Pivot shaft 54 Adjustment screw 55 Cap 57 Spring 52a Main body 52b Female screw portion 53a Flange portion 53b Intermediate shaft 53c Tip shaft 54c Deformed shaft 55a Cylindrical body 55b Small protrusion 55c Detent shaft 55d Deformed hole A Door B ₁ ~ B ₄ frame

Claims (6)

[Claims] 1. A pivot hinge that can be attached to a door and a frame, and a) a support portion having at least a horizontal portion,
B) A bearing portion having a shaft support hole arranged in the horizontal portion,
C) A sleeve in which a small-diameter portion and a female screw portion having a diameter larger than that of the small-diameter portion are coaxially provided inside, and a sleeve is erected on a door mounting member, a pivot shaft inside which a spring is mounted and has a blind hole, and the female screw. Adjustment screw having a male screw portion that can be screwed into the shaft portion, a deformed shaft of the boss portion, an adjusting groove or an adjusting piece provided in the shaft core portion, and a rotation stop shaft having a deformable hole that can be attached to and detached from the deformed shaft. And a pivot part having a cap, and the pivot parts are opposed to each other, and the door attachment member is fixed to the door upper and lower corners,
The support portions are opposed to each other and fixed to the upper and lower corners of the frame body,
The tip of the pivot shaft is slidably inserted into the shaft support hole so that the door can be opened and closed, and the spring pivotally biases the pivot shaft in the projecting direction, and the tip of the pivot shaft is attached to the sleeve on the door mounting material side. An axis adjusting hinge, which is adjustable in a range flush with the tip and in a protruding state. 2. The cap is a tubular body having a cylindrical hollow portion inside and a flat portion on the rear outer surface, and can be fitted into a groove or a small projection provided on a sleeve at an end portion of the inner surface of the tubular body. Small protrusions or concave grooves are provided, a cylindrical shaft core of the cylindrical body has a rotation stopping shaft, and the rear flat portion of the cylindrical body is mounted in a direction facing the door to enable rotation. Claim 1 characterized by the above.
Axis adjustment hinge described in. 3. The axis adjusting hinge according to claim 1, wherein the deformed shaft has a substantially regular polygonal shape, and the deformed hole has the same shape as the deformed shaft and is detachable. 4. The support has a disk-shaped base and a substantially regular polygonal projection, and the base has a circular eccentric hole as a shaft support hole in which a tip of a pivot shaft can slide. From the regular polygonal hole which is bored at an eccentric position from the regular polygonal hole which is bored at the other end of the horizontal part and which can be fitted into the regular polygonal hole. The shaft adjustment hinge according to any one of claims 1 to 3, which is made possible. 5. The support portion has a horizontal portion and a vertical portion which is provided upright at one end of the horizontal portion, and the vertical portion is fixed to upper and lower corners of the frame body. 4. The axis adjustment hinge according to any one of 4 above. 6. The vertical portion of the supporting portion is provided with a vertically elongated circular hole at the upper and lower central portions, a horizontal rectangular groove at the upper and lower ends slightly apart from the vertically elongated circular hole, and a horizontally elongated circular hole at the upper and lower ends. B) A base portion is formed by a plate-shaped substrate having a front-back width slightly wider than the vertical portion and an eccentric cam, and the substrate has a circular hole in the central portion thereof and a horizontal rectangular protrusion and a vertical top and bottom slightly separated from the circular hole. A circular hole is provided at an end, and c) the base parts are fixed to each other in the facing upper and lower corners of the frame, the vertical part is overlapped on the base part, and the central part circular hole of the substrate and the vertically long part of the vertical part. A circular hole, a horizontal rectangular protrusion of the substrate, a horizontal rectangular groove vertical of the vertical portion, an upper and lower end circular hole of the substrate and an upper and lower horizontal oblong hole of the vertical portion, respectively, and d) The eccentric cam has a disk, a circular rotary shaft projecting with an eccentric shaft center on the back surface of the disk, and an adjusting groove or adjusting piece. Is rotatably and non-protrudably fitted in a circular hole in the central portion of the substrate, and a frame cam is formed by the circular disc and the vertically long circular hole in the vertical portion, and the base portion is rotated by rotating the circular disc. On the other hand, the shaft adjusting hinge according to claim 5, wherein the position of the support portion is movable back and forth.