JPH09100670A - Door hinge and door hinge adjustor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To adjust the position of a door in three vertical, lateral and longitudinal directions to a door frame, simplify the structure of a door hinge, and reduce the manufacturing cost. SOLUTION: A base plate 3 is fixed to a connecting seat notched on the side end surface of a door. A regulating plate 4 is connected to the base plate 3 in such a manner as to be longitudinally and laterally movable. An eccentric cam shaft 37 for longitudinally operating the regulating plate 4 and a transverse regulating screw 40 for laterally operating the regulating plate 4 are provided between both the plates 3, 4. One hinge plate 8 of a hinge body 7 is fastened to the regulating plate 4, and the other hinge plate 9 is fixed to a door frame. Both the hinge plates 8, 9 have bearing cylinders 10, 11, respectively, which are mutually connected by a hinge shaft 12. A vertical regulating screw 13 is provided between the upper and lower bearing cylinders 10, 11. The base plate 3 and the regulating plate 4 are formed of press moldings.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hinge capable of adjusting a mounting state of a door to a door frame in three directions of up, down, left and right, and front and back, and an adjusting tool for the door hinge.

[0002]

2. Description of the Related Art Door hinges which can adjust the mounting state of a door vertically and horizontally have been disclosed in Japanese Utility Model Laid-Open No. 62-16671.
It is known in Japanese Patent Laid-Open Publication No. Hei 3-187486. Japanese Patent Laid-Open No. 3-80875 discloses a door hinge whose position can be adjusted in the vertical direction and the front-back direction. A door hinge whose position can be adjusted in three directions of up / down, left / right and front / back has already been proposed (Japanese Patent Laid-Open No. 7-71158).

[0003]

Most of the existing house parts such as doors and door frames are prefabricated, and at the construction site, the house parts such as doors are simply assembled. The modification work that requires sufficient skill and experience is rarely performed at the construction site. For this reason, it is difficult to obtain sufficient construction quality for door installation, and countermeasures are required.

The above-mentioned door hinges meet the above requirements, but are not sufficient. Only a door hinge that can adjust the position in three directions is effective in eliminating a posture error when the door is assembled. However, this door hinge requires a large number of constituent parts in order to realize position adjustment in three directions, and there is a problem in that the structure is complicated and the parts cost is high. When performing front-rear adjustment and left-right adjustment, it is necessary to tighten and loosen two adjusting screws each, and most of the door hinges are used as a set of two to three, so a lot of labor is required for the adjustment work. Requires. Furthermore, if the wooden door or door frame is warped after construction, it is difficult for the user to readjust the door position.

It is an object of the present invention to adjust the mounting state of a door to a door frame in three directions of up, down, left and right, and front and rear, and particularly to install a prefabricated door and a door frame with sufficient construction quality. Another object of the present invention is to provide a suitable door hinge and an adjusting tool for the door hinge. The purpose of the present invention is
The object is to reduce the number of constituent parts, further reduce the cost required for processing each part, simplify the structure of a door hinge that can be adjusted in multiple directions, and reduce the cost required for its manufacture. SUMMARY OF THE INVENTION An object of the present invention is to provide a door hinge and an adjusting tool for a door hinge, which can be adjusted in multiple directions with one adjusting screw or the like and can easily adjust the position of a door with less labor.

[0006]

The door hinge of the present invention comprises:
The base plate 3, the adjusting plate 4 connected to the base plate 3 so as to be movable back and forth and left and right, and the pair of hinge plates 8
And a hinge body 7 having 9. A vertical adjustment screw 13 for vertical adjustment is provided between the upper and lower bearing cylinders 10 and 11 of the hinge body 7. An eccentric cam shaft 37 for front-rear adjustment is provided between the base plate 3 and the adjusting plate 4 for moving the adjusting plate 4 back and forth. Further, between the base plate 3 and the adjusting plate 4, a horizontal adjusting screw 40 for adjusting the left and right for relatively moving the adjusting plate 4 left and right is provided. The base plate 3 and the adjusting plate 4 can be fastened and fixed to each of the plates 3 and 4 via one hinge plate 8 fastened with a screw 48 so that the back-and-forth movement and the left-right movement cannot be performed. One of the other hinge plate 9 and the base plate 3 is attached to the door 1, and the other is attached to the door frame 2. In addition, the front-back adjustment in the present invention means that the door 1 is closed.
It means that the door 1 is moved and adjusted in the thickness direction of the panel, and the left-right adjustment means that the door 1 is moved and adjusted in the left-right direction along the panel surface.

Specifically, the connecting frame portion 24 is bulged above and below the plate surface of the base plate 3, and the connecting groove 2 is formed on the bulging surface of the connecting frame portion 24.
6 is installed. A pair of upper and lower connecting pieces 3 are provided on one side edge of the adjusting plate 4.
1 is bent and formed, and the connecting piece 31 is engaged with the connecting groove 26 to connect the adjusting plate 4 and the base plate 3 so as to be movable back and forth and left and right.

A case 5 is fitted in and attached to a connecting seat 1a formed by cutting out a side end surface of the door 1. The base plate 3 and the adjusting plate 4 are arranged in the case 5, and the base plate 3 and the case 5 are fastened and fixed to the door 1 with screws 27. A cover 6 that covers the opening of the case 5 is sandwiched and fixed between the adjustment plate 4 and the hinge plate 8 connected thereto. Adjustment holes 21, 22, 46, and 47 for adjusting and operating the eccentric cam shaft 37 and the lateral adjustment screw 40 are provided in each of the cover 6 and the hinge plate 8.

The support shaft 39 of the eccentric cam shaft 37 is attached to the base plate 3
The eccentric cam shaft 37 is fixed to the cam portion 3 by swaging.
8 is fitted in and engaged with a passive groove 32 provided in the adjusting plate 4. The lateral adjustment screw 40 has an operation head 41 at one end. further,
The other end has a threaded portion 42 that is screwed into the base plate 3, and the interlocking portion 43 that engages with the groove peripheral wall of the adjustment groove 35 formed by cutting out in the adjustment plate 4 between the operation head 41 and the screw portion 42. To provide. The base plate 3, the adjustment plate 4, and the pair of hinge plates 8 and 9 are each formed by press molding. Connecting piece 31
The passive groove 32 and the adjusting groove 35 are formed in the hinge plate 8, and the hinge plate 8 also serves as the adjusting plate 4.

The door hinge adjusting tool according to the present invention comprises a base plate 3 fastened to the door 1 or the door frame 2 and an adjusting plate 4 fastened to one hinge plate 8 of the hinge body 7. The adjusting plate 4 is connected to the base plate 3 so as to be able to move back and forth and left and right. An eccentric cam shaft 37 for front-rear adjustment is provided between the base plate 3 and the adjusting plate 4 for moving the adjusting plate 4 back and forth. Between the base plate 3 and the adjusting plate 4, a horizontal adjusting screw 40 for adjusting the left and right to relatively move the adjusting plate 4 left and right is provided. The base plate 3 and the adjusting plate 4 are fastened and fixed to each of the plates 3 and 4 via one hinge plate 8 fastened with a screw 48 so that the back-and-forth movement and the left-right movement are impossible.

Specifically, the connecting frame portion 24 is bulged above and below the plate surface of the base plate 3, and the connecting groove 2 is formed on the bulging surface of the connecting frame portion 24.
6 is installed. A pair of upper and lower connecting pieces 3 are provided on one side edge of the adjusting plate 4.
1 is bent and formed, and the connecting piece 31 is engaged with the connecting groove 26, so that the adjusting plate 4 and the base plate 3 are connected so that they can be moved back and forth and left and right.

The support shaft portion 39 of the eccentric cam shaft 37 is attached to the base plate 3
The eccentric cam shaft 37 is fixed to the cam portion 3 by swaging.
8 is fitted in and engaged with a passive groove 32 provided in the adjusting plate 4. The lateral adjustment screw 40 has an operation head 41 at one end. further,
The other end has a threaded portion 42 that is screwed into the base plate 3, and the interlocking portion 43 that engages with the groove peripheral wall of the adjustment groove 35 formed by cutting out in the adjustment plate 4 between the operation head 41 and the screw portion 42. To provide. The base plate 3, the adjustment plate 4, and the pair of hinge plates 8 and 9 are each formed by press molding. Connecting piece 31
The passive groove 32 and the adjusting groove 35 are formed in the hinge plate 8, and the hinge plate 8 also serves as the adjusting plate 4.

[0013]

1 to 5 show a door hinge according to a first embodiment. In FIG. 1, reference numeral 1 is a door, 2 is a door frame, and upper and lower parts of both 1 and 2 are connected by a door hinge. The door hinge includes a base plate 3 and an adjustment plate 4, which are fastened to the door 1 side, a case 5 and a cover 6 that house both plates 3 and 4 to improve the appearance, and one hinge plate 9 is the door frame 2. The hinge body 7 is fastened to the.

The hinge main body 7 has a pair of hinge plates 8 and 9 each made of a press-molded product, and a hinge shaft 12 that connects the bearing cylinders 10 and 11 provided integrally with the hinge plates 8 and 9, A vertical adjustment screw 13 for vertical adjustment is provided between the bearing cylinders 10 and 11 adjacent to each other. Lower bearing sleeve 11
Is integrally formed with a hinge plate 9 fixed to the door frame 2.
The hinge shaft 12 has upper and lower shafts that are fitted into the upper and lower bearing cylinders 10 and 11, and a screw shaft 15 and a flange portion 16 supported by the lower bearing cylinder 11 are provided in the middle thereof. An operation hole 17 for a hexagon wrench is provided at the lower shaft end.

The vertical adjustment screw 13 includes the above-mentioned screw shaft 15 and
It is composed of a female screw cylinder 18 that meshes with the screw shaft 15, and the upper end of the female screw cylinder 18 supports the upper bearing cylinder 10. When the hinge shaft 12 is rotated through the operation hole 17, the female screw cylinder 18 moves up and down, and the hinge plate 9 on the door side can be adjusted up and down. At this time, a pair of plate-like claws 19 are projectingly provided on the peripheral surface of the cylinder in order to hold the female screw cylinder 18 in a non-rotating manner, and these are clawly engaged with the side edges of the hinge plate 9. Reference numeral 20 is an end cap.

In FIG. 2, a case 5 is made of a vertically long rectangular box-shaped plastic molded product whose one side surface is open, and is internally fitted and attached to a connecting seat 1a (see FIG. 5) formed with a notch on a side end surface of the door 1. On the mounting surface side of the case 5, a decorative edge 5a for covering the notched edge of the connecting seat 1a is provided in a protruding manner. The cover 6 is made of a vertically long flat plastic molding, and the front wall thereof has a regulation wall 6 that receives and supports the swinging tip of the hinge plate 8.
a is projected laterally, and a cover wall 6b opposite to the regulation wall 6a is projected laterally at the trailing edge. In the center of the face wall of the cover 6,
Two elongated hole-shaped adjusting holes 21 and 22 are provided, and further four screw holes 23 for fastening are provided. Two of the four screw holes 23 near the upper and lower ends are formed as long holes that are long in the front-rear direction.

The base plate 3 is a press-molded product in which connecting frame portions 24 having a U-shaped cross section are bulged at the upper and lower ends, and an adjustment frame portion 25 having a U-shaped cross section is bulged at the upper and lower centers. The connection frame portion 24 is formed in a downwardly inclined shape from the front edge toward the rear edge side, and a connection groove 26 is cut out at the center of the front edge. The bulging dimension of the adjustment frame portion 25 is set to be smaller than the bulging dimension of the inclined lower end of the connecting frame portion 24. Both frame parts 24.2
Two screw holes are provided in each of the upper and lower plate surfaces between 5 and the base plate 3 and the case 5 are fastened and fixed to the door 1 together with the screws 27 inserted in these screw holes (see FIG. 5). . A screw hole 28 for fastening the hinge plate 8 is provided near the rear edge of the connecting frame portion 24. Further, a hole for assembling the eccentric cam shaft 37 and a lateral adjusting screw 40 are provided in front of and behind the adjusting frame portion 25.
A screw hole 29 for use is provided.

The adjusting plate 4 is a press-formed product having a vertically long plate shape, and has a connecting piece 31 which engages with the connecting groove 26 above and below the front edge.
Is provided. The connecting piece 31 is formed in a T shape, and is bent sideways so as to be orthogonal to the plate surface of the adjusting plate 4. This connecting piece 31
By engaging the connecting groove 26 as shown in FIG.
The adjusting plate 4 can be moved toward and away from the base plate 3 in the left-right direction, and at the same time, can be moved back and forth along the connecting groove 26. In order to make the amount of swing in the direction in which the adjusting plate 4 approaches approaches,
The adjustment frame portion 25 is inclined downward toward the trailing edge side.

Five kinds of holes and grooves are formed on the plate surface of the adjusting plate 4. A slotted passive groove 32 that engages with an eccentric cam shaft 37 is provided near the center front edge of the plate, and screw holes 33 for screws 48 for fastening the hinge plate 8 are provided above and below the passive groove 32. Long grooves 34 are formed in the front and rear of the rear edge of the plate surface before and after inserting the screws 48, and a long adjustment groove 35 is formed in the center of the rear edge. The other four large holes are
It is a driver hole for tightening and loosening 7.

The eccentric cam shaft 37 is made of a special steel, which is a turned product, and has a large-diameter cam portion 38 having a driver groove formed at the shaft end and a small-diameter support shaft portion eccentric to the cam portion 38. And 39 together. After inserting the support shaft portion 39 into the hole provided in the adjustment frame portion 25 of the base plate 3, by caulking the shaft end, the entire eccentric cam shaft 37 is adjusted.
It is rotatably supported by 5. The cam portion 38 penetrates the passive groove 32 provided in the adjusting plate 4 and is always fitted and engaged with the circumferential surface of the groove (see FIG. 4). When the cam portion 38 is rotated,
Since its center position is eccentric with respect to the center of the support shaft 39, the entire adjusting plate 4 can be adjusted and moved in the front-rear direction.

In FIG. 4, the lateral adjusting screw 40 has an operating head portion 41 having a driver groove at one end and a screw portion 42 at the other end, and tilts the adjusting plate 4 between both 41 and 42. An interlocking portion 43 for performing the operation is provided. The interlocking portion 43 is formed by utilizing the operating head 41 and projecting a flange 44 having the same diameter as the operating head 41. The lateral adjustment screw 40 is also made of special steel. By screwing the screw portion 42 into the screw hole 29 of the base plate 3 in a state where the interlocking portion 43 is inserted and engaged in the adjustment groove 35 of the adjustment plate 4, the entire adjustment plate 4 is moved in the left-right direction with the connecting piece 31 as the center. Can be tilted to. The adjustment groove 35 absorbs a positional difference due to the tilting of the adjustment plate 4, and further, the eccentric cam shaft 3
In order to absorb the adjustment movement by 7, it is formed long in the front and back.

An adjustment hole 4 for adjusting and operating the eccentric cam shaft 37 and the lateral adjustment screw 40 is formed on the plate surface of the hinge plate 8 on the door side.
6.47 is installed in the shape of an elongated hole. Further screws for fastening 48
Insert four screw holes for inserting.

When the door 1 is suspended, the base plate 3 and the adjusting plate 4 which are connected to each other in advance are housed in the case 5, and the screw 27 is tightened from the outer surface side of the adjusting plate 4 to connect the base plate 3 and the case 5 to the door 1. Fixed to. Next, the cover 6 is put on the adjustment plate 4, the separated hinge plate 8 is joined to the outer surface of the adjustment plate 4 to sandwich the cover 6, and the hinge plate 8 and the adjustment plate 4 are fixed with two screws 48. 8 and base plate 3 with 2 screws 4
Temporarily fix with 8. The hinge plate 9 is fastened and fixed to the side of the door frame 2. The door 1 in this state is erected in a vertical posture, the bearing cylinder 10 of each hinge plate 8 is inserted into the hinge shaft 12, and the door 1 is suspended on the door frame 2.

In the above-mentioned suspended state, the vertical adjustment screw 13, the eccentric cam shaft 37, and the horizontal adjustment screw 40 are respectively adjusted and operated to optimize the mounting state of the door 1. By adjusting and operating the eccentric cam shaft 37, the base plate 3 and the door 1 move back and forth with respect to the adjusting plate 4 and the hinge plate 8. By adjusting the lateral adjustment screw 40, the angle between the base plate 3 and the adjustment plate 4 changes, and the base plate 3 and the door 1 can be moved in the left-right direction. Finally, the screws 48 in the temporarily tightened state are respectively screwed into the base plate 3, the adjusting plate 4, and the hinge plate 8 so as to be relatively immovable and fixed.

Due to a change in warpage after construction, a part of the door 1 may come into contact with the door frame 2 to make it difficult to open or close, or a step may occur between the door 1 and the door frame 2 in the closed state. In such a case, the two screws 48 exposed on the surface of the hinge plate 8 are loosened, and the position of the door 1 is adjusted as described above. For example, when the upper part of the swinging tip of the door 1 comes into contact with the door frame 2, the lateral adjusting screw 40 of the upper door hinge is operated to pull the upper part of the door toward the hanging side. If necessary, the lateral adjustment screw 40 of the lower door hinge is operated to move the lower part of the door away from the hanging side. The vertical adjustment screw 13 and the eccentric cam shaft 37 are also appropriately operated according to the state of the attitude of the door 1. In any case, by operating one adjusting screw 13 or 40 or one eccentric cam shaft 37 for each door hinge, position adjustment in the front-rear, left-right, and up-down directions can be easily performed. .

In the door hinge constructed as described above, each of the base plate 3 and the adjusting plate 4 is formed by a press-molded product which requires less processing cost, so that the manufacturing cost of the entire door hinge including these can be reduced. The adjusting plate 4 and the base plate 3 are engaged and connected by the connecting piece 31 and the connecting groove 26 to allow the relative swinging and the relative back-and-forth movement of the both plates 3 and 4 to simplify the structure and It helps to reduce the points. Since the adjusting mechanism is incorporated into the connecting seat 1a formed by cutting out the door 1, the connecting seat 1a can be processed very easily as compared with the case where the connecting seat 1a is formed on the door frame 2 side.

The connecting structure of the base plate 3 and the adjusting plate 4 can be changed as shown in FIG. There, the connecting frame portion 24 in the above-mentioned embodiment is omitted, and the connecting claws 51 instead of this are bent and formed above and below the front edge of the base plate 3.
The connecting claw 51 is composed of a curved wall having a quadrant shape. Connection holes 52 that engage with the connection claws 51 are provided above and below the front edge of the adjustment plate 4. The front-rear width of the connection hole 52 is set to the thickness of the connection claw 51 plus the front-rear adjustment allowance (± several mm) of the adjustment plate 4. As a result, the adjusting plate 4 and the base plate 3 can be connected to each other so as to be relatively movable in the front-rear direction and to be movable toward and away from each other in the left-right direction. It should be noted that although holes for screw insertion, screw holes, etc. are not shown in FIG. 6, they are formed in the same manner as in the above-described embodiment.

In FIG. 7, the base plate 3 and the adjusting plate 4 are connected via an eccentric shaft 53. Specifically, base plate 3
The bearing cylinders 54 are integrally formed on the upper and lower sides of the front edge of the, and the eccentric shaft 53, which is bent in a crank shape, is rotatably supported thereby. Further, a connecting portion 55 hooked on the eccentric shaft 53 is integrally bent and formed above and below the front edge of the adjusting plate 4. The connecting portion 55 is formed in a U-shaped cross section. In this case, the base plate 3 and the adjusting plate 4 are relatively moved in the front-rear direction by utilizing the fact that the eccentric shaft 53 rotates back and forth around the bearing cylinder 54. Further, the connecting portion 55 swings around the eccentric shaft 53, so that the base plate 3 and the adjusting plate 4 are adjusted in the left-right direction. Similar to FIG. 6, holes and screws for screw insertion are not shown in FIG.

The door hinge adjusting tool according to the present invention can be sold alone by constituting each of the door hinges described in the above embodiment and other embodiments except the hinge body 7. However, in that case, one hinge plate of the door hinges used in combination is provided with the adjustment holes 46 and 47 similar to those in the above-described embodiment, and the screw holes for the screws 48 are provided in the same arrangement form. deep. The door hinge is preferably provided with a vertical adjustment screw.

The hinge body 8 can also serve as the adjusting plate 4. As shown in FIG. 8, the connecting pieces 31 are integrally bent at the upper and lower sides of the front edge of the hinge plate 8, and the passive groove 32 and the adjusting groove 35 are formed at the vertical center of the plate surface. In addition, screw holes 56 for screws 48 that fasten the base plate 3 and the hinge plate 8 together.
Is formed as a long hole in the front-rear direction. With such a door hinge, the manufacturing cost of the entire hinge can be further reduced because the adjustment plate 4 can be omitted.

In addition to the above, in the present invention, the base plate 3
The adjusting plate 4 can be attached to the door frame 2 for use. In that case, the base plate 3 and the adjusting plate 4 are housed in the connecting seat recessed in the door frame 2 so that the case 5
And the cover 6 can be omitted.

The vertical adjusting screw 13 can be formed separately from the hinge shaft 12. For example, the vertical adjustment screw 13 may be formed by a hexagon socket screw shaft and screwed into the lower bearing cylinder 11 to operate the hinge shaft 12 up and down.
The eccentric cam shaft 37 can be caulked and fixed to the adjusting plate 4 side. In this case, the passive groove 32 is provided on the base plate 3,
The cam portion 38 is engaged with the passive groove 32. Similarly, the lateral adjusting screw 40 can be screwed into the adjusting plate 4 side.

[Brief description of the drawings]

FIG. 1 is a front view in which a part of a door hinge is cut away.

FIG. 2 is an exploded perspective view of a door hinge.

FIG. 3 is a sectional view taken along line AA in FIG.

FIG. 4 is a sectional view taken along line BB in FIG.

FIG. 5 is a sectional view taken along line CC in FIG. 1;

FIG. 6 is a perspective view showing another embodiment of the connecting structure of the base plate and the adjusting plate.

FIG. 7 is a perspective view showing another embodiment of the connecting structure of the base plate and the adjusting plate.

FIG. 8 is a perspective view showing another embodiment of the hinge body.

[Explanation of symbols]

 1 Door 2 Door Frame 3 Base Plate 4 Adjustment Plate 7 Hinge Main Body 10/11 Bearing Tube 13 Vertical Adjustment Screw 37 Eccentric Cam Shaft 40 Horizontal Adjustment Screw

Claims (9)

[Claims] 1. A base plate 3, an adjusting plate 4 movably connected to the base plate 3 so as to be movable back and forth and left and right, and a hinge main body 7 having a pair of hinge plates 8 and 9. A vertical adjustment screw 13 for vertical adjustment is provided between the upper and lower bearing cylinders 10 and 11 of the hinge main body 7, and the adjustment plate 4 is moved back and forth between the base plate 3 and the adjustment plate 4. An eccentric cam shaft 37 for front-rear adjustment is provided, and a horizontal adjustment screw 40 for left-right adjustment is provided between the base plate 3 and the adjustment plate 4 to relatively move the adjustment plate 4 left and right. , The base plate 3 and the adjusting plate 4 have screws 4 on both plates 3 and 4.
It is possible to fasten and fix the front and rear and left and right movements via one hinge plate 8 fastened at 8, and one of the other hinge plate 9 and the base plate 3 is attached to the door 1, and the other is A door hinge attached to the door frame 2. 2. A connecting frame portion 24 is provided above and below the plate surface of the base plate 3.
Is bulged, the bulging surface of the coupling frame portion 24 is provided with a coupling groove 26, and a pair of upper and lower coupling pieces 31 is formed at one side edge of the adjusting plate 4 by bending. 2. The door hinge according to claim 1, wherein the adjustment plate 4 and the base plate 3 are connected to each other by being engaged with 26 so as to be movable back and forth and left and right. 3. A case 5 is internally fitted and attached to a connecting seat 1a formed by cutting out a side end surface of a door 1, and a base plate 3 and an adjusting plate 4 are arranged in the case 5 to form a base plate 3 and The case 5 and the door 1 are fastened together by screws 27, and a cover 6 that covers the opening of the case 5 is sandwiched and fixed between the adjusting plate 4 and the hinge plate 8 connected to the adjusting plate 4. 6 and hinge plate 8 respectively, eccentric cam shaft 3
7 and adjustment hole 21 for adjusting horizontal adjustment screw 40
The door hinge according to claim 1, wherein the door hinge is provided with 22, 46, 47. 4. A support shaft portion 39 of the eccentric cam shaft 37 is rotatably caulked and fixed to the base plate 3, and a cam portion 38 of the eccentric cam shaft 37 is fitted in a passive groove 32 provided in the adjusting plate 4 inward. The horizontal adjustment screw 40 has an operation head 41 at one end and a screw portion 42 screwed into the base plate 3 at the other end, and the adjustment screw 40 is adjusted between the operation head 41 and the screw portion 42. The door hinge according to claim 2 or 3, wherein an interlocking portion 43 that engages with a groove peripheral wall of the adjustment groove 35 formed by cutting out the plate 4 is provided. 5. The door hinge according to claim 2, 3 or 4, wherein the base plate 3, the adjusting plate 4, and the pair of hinge plates 8 and 9 are each formed by press molding. 6. The connecting piece 31, the passive groove 32 and the adjusting groove 3
The door hinge according to claim 2, 4 or 5, wherein 5 is formed on the hinge plate 8, and the hinge plate 8 also serves as the adjusting plate 4. 7. A base plate 3 fastened to the door 1 or the door frame 2 and an adjustment plate 4 fastened to one hinge plate 8 of the hinge body 7 are provided. Is connected so that it can be moved back and forth and left and right, and an eccentric cam shaft 37 for front-rear adjustment is provided between the base plate 3 and the adjustment plate 4 for moving the adjustment plate 4 back and forth. Between the base plate 3 and the adjusting plate 4, a horizontal adjusting screw 40 for adjusting the left and right to relatively move the adjusting plate 4 left and right is provided. Screws 4 on plates 3 and 4
An adjusting tool for a door hinge, which is fastened and fixed so as to be unable to move back and forth and to the left and right through one hinge plate 8 fastened at 8. 8. A connecting frame portion 24 is provided above and below the plate surface of the base plate 3.
Is bulged, the bulging surface of the coupling frame portion 24 is provided with a coupling groove 26, and a pair of upper and lower coupling pieces 31 is formed at one side edge of the adjusting plate 4 by bending. 8. The door hinge adjusting tool according to claim 7, wherein the adjusting plate 4 and the base plate 3 are engaged with each other so as to be movable back and forth and left and right. 9. A support shaft portion 39 of the eccentric cam shaft 37 is rotatably caulked and fixed to the base plate 3, and a cam portion 38 of the eccentric cam shaft 37 is fitted in a passive groove 32 provided in the adjusting plate 4 inward. The horizontal adjustment screw 40 has an operation head 41 at one end and a screw portion 42 screwed into the base plate 3 at the other end, and the adjustment screw 40 is adjusted between the operation head 41 and the screw portion 42. 9. The adjusting tool for a door hinge according to claim 7, further comprising an interlocking portion 43 which engages with a groove peripheral wall of the adjusting groove 35 formed by cutting out the plate 4.