JP2002276233A - Hinge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge device never causing mutual slippage of one cover and the other cover even after fitting adjustment. SOLUTION: This hinge device comprises a hinge formed by rotatably connecting the connecting part 11 of one metal fitting 3a to the connecting part 13 of the other metal fitting 3b through a shaft part 3c, and one cover 6 and the other cover 7 for covering the connecting parts 11 and 13, respectively, and the one cover 6 and the other cover 7 are supported and mounted by the shaft part 3c. According to this hinge device, the one cover 6 and the other cover 7 are never shifted to each other even if the one metal fitting 3a and the other metal fitting 3b are moved in relation to the shaft part 3c and adjusted for fitting.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge for opening and closing a door at an entrance of a building, and a hinge device having a cover attached to the hinge.

[0002]

2. Description of the Related Art There have been proposed various hinges for freely opening and closing a door at an entrance of a building. For example, a building-side fitting having a mounting portion and a connecting portion to be attached to an entrance of a building, and a door-side fitting having a mounting portion and a connecting portion to be mounted on a door,
A hinge having a shaft component for rotatably connecting a connecting portion of the building-side fitting and a connecting portion of the door-side fitting is known. The mounting part of the building-side fitting is attached to an entrance of the building, for example, a door frame with screws or the like, and the connecting part protrudes to the outside of the room from the door frame,
The mounting portion of the door-side metal fitting is mounted on the door with screws or the like, and the connecting portion protrudes outside the door from the outside of the door.

As described above, since the connecting portions of the hinges on the building side and the door side protrude beyond the door frame and the door, the appearance of the door mounting portion is deteriorated. To solve this,
A hinge device has been proposed in which a cover is attached to each connecting portion of the hinge to improve the appearance of a door attachment portion. For example, Japanese Patent Application Laid-Open No. 7-150851 (Japanese Patent No. 25783111)
Japanese Patent Application Laid-Open No. 9-137783 (Japanese Patent No. 3054).
No. 924), there has been proposed a hinge device in which covers are respectively attached to a connecting portion of a building-side fitting and a connecting portion of a door-side fitting with screws.

[0004]

As described above, when the door is attached to the door frame by a hinge, the door does not tilt in the left-right direction or the indoor / outdoor (front-rear) direction with respect to the door frame. It is important that the hinge is mounted on the hinge. For this reason, a hinge having a mounting adjustment function has been proposed. For example, while supporting the shaft component to the connecting part of the building-side bracket so as to be movable in the left-right direction, screwing an adjusting screw, and supporting the shaft component to the connecting part of the door-side bracket so as to be movable in the indoor and outdoor directions. There has been proposed a hinge having a mounting adjustment function in which adjustment screws are screwed.

[0005] In the hinge having the above-mentioned mounting adjustment function,
By attaching the cover as described above, the adjustment screw is not visible, so that the appearance of the door attachment portion is improved. However, since the cover is attached to each connecting portion, the position of the cover of the building-side fitting and the cover of the door-side fitting are displaced when the installation is adjusted, so that the appearance is deteriorated. For example, when the shaft component is moved to the left or right with respect to the connection portion of the building-side bracket, the door-side bracket moves together with the shaft component to the left or right with respect to the connection portion of the building-side bracket. In contrast, the cover of the door side metal fitting moves to one of the left and right sides, and each cover shifts in the left and right direction, resulting in a poor appearance.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to provide a hinge device in which one side cover and the other side cover are not displaced from each other due to installation adjustment.

[0007]

According to a first aspect of the present invention, a metal fitting having a mounting portion and a connecting portion and a metal fitting having another mounting portion and a connecting portion are rotatable by a shaft component between the connecting portions. And a cover that covers the connecting part of the one-side bracket and the shaft part, and another side cover that covers the connecting part of the other-side bracket and the shaft part, wherein the one-side cover and the other-side cover are shafts. A hinge device supported and attached by a part.

A second invention is a hinge device according to the first invention, wherein the one-side cover and the other-side cover are made of resin, and have a shaft component support portion fitted to the shaft component by the elasticity of the resin.

According to a third aspect of the present invention, in the first aspect, the one-side cover and the other-side cover have a cover body having an opening through which the connecting portion is inserted, open and close this opening, and are integrally formed with the cover body. It is a hinge device comprising a lid provided.

[0010]

According to the first aspect of the present invention, the connecting part of the one-side bracket and the shaft part are covered with the one-side cover, and the connecting part of the other-side bracket and the shaft part are covered with the other-side cover. Is good.
One side bracket for the shaft part, hinge for moving the other side bracket to adjust the installation, or hinge for moving the other side bracket to the shaft part to adjust the installation, one side cover, other Since the side covers are mounted and supported by the shaft components, the one-side cover and the other-side cover do not relatively move when the mounting and adjustment are performed as described above, and the positions are not displaced from each other.

According to the second aspect of the present invention, the one-side cover and the other-side cover can be attached by fitting the shaft-part supporting portions of the one-side cover and the other-side cover to the shaft part. Therefore, the one-side cover and the other-side cover can be easily attached, and since screws and the like are not required, the cost is low.

According to the third aspect of the present invention, the cover bodies of the one-side cover and the other-side cover can be easily attached by opening the lid, and each connecting portion and the shaft component can be easily attached by closing the lid. Can be covered. Moreover, since the lid is provided integrally with the cover body, the one-side cover and the other-side cover can be easily attached.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (Door opening device) As shown in FIG. 1, a door frame 2 attached to an entrance of a building, for example, an opening 1 of the building, and a lower hinge 3 and an upper hinge 4 are attached to the door frame 2. A door opening device is formed by the door 5 which is attached to be freely opened and closed. The door frame 2 has an upper frame 2a, a lower frame 2b, and left and right vertical frames 2c.

As shown in FIG. 2, the lower hinge 3 has a one-side fitting 3a attached to a lower portion of one vertical frame 2c and a door 5
The other side fitting 3b attached to the lower part of the
a and a shaft part 3c for rotatably connecting the other side fitting 3b to the other side fitting 3b. One side metal fitting 3a is lower and the other side metal fitting 3b is upper. The one-side cover 6 is attached to the one-side bracket 3a, and the other-side bracket 3 is attached.
b, the other side cover 7 is attached to form a lower hinge device.

As shown in FIG. 2, the upper hinge 4 has one side fitting 4a attached to the upper part of one vertical frame 2c, another side fitting 4b attached to the upper part of the door 5, and this one side fitting 4a.
And a shaft component 4c for rotatably connecting the other side fitting 4b to the other side fitting 4b. One side metal fitting 4a is on the top, and the other metal fitting 4b is on the bottom. The one-side cover 8 is attached to the one-side bracket 4a, and the other-side bracket 4 is attached.
b, the other side cover 9 is attached to the upper hinge device.

(Schematic Description of Lower Hinge 3) Lower Hinge 3
As shown in FIG. 3, the one-side metal fitting 3a has a mounting portion 10 and a connecting portion 11. As shown in FIG. 4, the mounting portion 10 is mounted on one of the vertical frames 2c with a fixing tool such as a bolt, and the connecting portion 11 protrudes to the outside of the room from the one vertical frame 2c. The other side fitting 3b of the lower hinge 3 is, as shown in FIG.
2 and a connecting portion 13. As shown in FIG. 5, the mounting portion 12 is mounted on the end face 5a of the door 5 with a fixing tool such as a bolt, and the connecting portion 13 protrudes more toward the outside of the door than the door 5.

As shown in FIG. 3, the shaft component 3c of the lower hinge 3 has a lower shaft component 14 and an upper shaft component 15, and the lower shaft component 14 and the upper shaft component 15 are rotatably and detachably connected. The load of the upper shaft part 15 is supported by the lower shaft part 14. The lower shaft part 14 is a lower part of the shaft part 3c, and the upper shaft part 15 is an upper part of the shaft part 3c.

The lower shaft part 14 (lower part of the shaft part 3c)
As shown in FIG. 3, is supported by the connecting portion 11 of the one-side fitting 3a so as to be movable in the left-right direction, and the adjusting screw 16 is tightened.
It moves left and right by loosening. Left and right direction means door frame 2
Of the left and right vertical frames 2c. The lower part of the lower shaft part 14 protrudes below the connecting part 11, and the upper part protrudes above the connecting part 11.

The upper shaft part 15 (the upper part of the shaft part 3c)
As shown in FIG. 3, is supported by the connecting portion 13 of the other metal fitting 3b so as to be movable in the front-rear direction, and the adjusting screw 17 is tightened.
Move back and forth by loosening. Front and back direction is door frame 2
Indoor and outdoor directions. The lower part of the upper shaft part 15 protrudes below the connecting part 13, and the upper part protrudes above the connecting part 13.

By connecting the upper part of the lower shaft part 14 and the lower part of the upper shaft part 15 in a rotatable and detachable manner, the one-side fitting 3a and the other-side fitting 3b are connected rotatably. The lower hinge 3 is formed by supporting the load of the other metal fitting 3b (the weight of the door 5) with the one metal fitting 3a (the vertical frame 2c of the door frame 2). Further, the door 5 moves in the left-right direction by tightening and loosening the adjusting screw 16, and the door 5 moves in the front-back direction by tightening and loosening the adjusting screw 17. Installation adjustment is possible.

(Specific shape of lower hinge 3) One-side fitting 3
As shown in FIG. 4, the mounting portion 10a has a vertical plate shape and has a screw hole 10a for mounting. Connecting part 1 of the one-side fitting 3a
As shown in FIG. 4, 1 is integrally continuous with the mounting portion 10,
And a first vertical piece 1 having a rectangular frame shape and opposed in the left-right direction.
Holes 11c are formed in the first vertical piece 11b and the second vertical piece 11b so as to face each other.

As shown in FIG. 4, the lower shaft part 14, that is, the lower part of the shaft part 3c includes a lower screw part 14a, an intermediate support part 14b, an upper flange part 14c, and an upper shaft part 14d. Is formed with a screw hole 14e extending in the left-right direction. The intermediate support portion 14b of the lower shaft component 14 is inserted into the connecting portion 11 as shown in FIG. 3, and is slidably supported in the left-right direction. The adjusting screw 16 is connected to the first vertical piece 11a
Screwed into the screw hole 14e of the intermediate support portion 14b through the hole 11c, and protrudes from the hole 11c of the second vertical piece 11b. The lower screw part 14a of the lower shaft part 14 protrudes from the lower surface of the connecting part 11, and a nut 14g is screwed through a washer 14f. By tightening the nut 14g, the upper flange 1
4 c is in contact with the upper surface of the connecting portion 11, and the lower shaft component 14 is fixed to the connecting portion 11. The upper flange 14c and the upper shaft 14
d protrudes above the connecting portion 11.

By loosening the nut 14g and tightening and loosening the adjusting screw 16, the lower shaft part 14
Move left and right with respect to. In this state, the lower screw portion 14a projects below the nut 14g.

As shown in FIG. 5, the mounting portion 12 of the other metal fitting 3b has a vertical plate shape and has a mounting hole 12a. As shown in FIG. 5, the connecting portion 13 of the other side metal fitting 3b is integrally continuous with the mounting portion 12, and has a rectangular frame shape, and has a first vertical piece 13a and a second vertical piece 13b opposed in the front-rear direction. Hole 13
c are formed facing each other.

The upper shaft part 15, that is, the upper part of the shaft part 3 c has a shaft 18 and a rotor 19. The shaft 18 has an upper screw portion 18a, an intermediate support portion 18b, a lower flange portion 18c,
It has a lower screw portion 18d, and a screw hole 18e extending in the front-rear direction is formed in the intermediate support portion 18b. The rotor 19
Has a rectangular upper portion 19a and a circular lower portion 19b.
9c and the lower bearing hole 19d are concentric. As shown in FIG. 3, the lower screw portion 18d of the shaft 18 and the upper screw hole 19c of the rotor 19 are screwed together, and the rotor 19 is connected to the lower portion of the shaft 18 to form the upper shaft part 15.

The intermediate support portion 18b of the shaft 18 is inserted into the connecting portion 13 as shown in FIG. 3, and is slidably supported in the front-rear direction. The adjusting screw 17 is screwed into the screw hole 18e of the intermediate support portion 18b through the hole 13c of the first vertical piece 13a and protrudes from the hole 13c of the second vertical piece 13b.
7a is fitted and swaged to prevent it from falling off. The shaft 1
8, the upper screw portion 18a protrudes from the upper surface of the connecting portion 13,
A nut 18g is screwed through a washer 18f, and by tightening the nut 18g, the lower flange portion 18c is pressed against the lower surface of the connecting portion 13, and the shaft 18 (the upper shaft part 1) is pressed.
5) is fixed to the connecting portion 13. The rotor 19 projects below the lower surface of the connecting portion 13.

When the nut 18g is loosened and the adjusting screw 17 is tightened and loosened, the shaft 18 and the rotor 19 (upper shaft part 15) move back and forth with respect to the connecting portion 13. In this state, the upper screw portion 18a protrudes above the nut 18g.

As shown in FIG. 3, the lower bearing hole 19d of the rotor 19 is rotatably fitted to the upper shaft portion 14d of the lower shaft component 14, and is directly or slidingly fitted to the upper flange portion 14c.
h, the one-side fitting 3a and the other-side fitting 3b are rotatably connected to each other, the door 5 is rotatably supported on the vertical frame 2c, and the load of the other-side fitting 3b is reduced by the one-side fitting 3a. And the weight of the door 5 is supported by the vertical frame 2c. In the state described above,
By rotating the rotor 19, the shaft 1
8 moves up and down, the other side fitting 3b moves up and down with respect to the one side fitting 3a, and the height of the door 5 can be adjusted. In this case, a spacer is inserted between the lower flange 18c of the shaft 18 and the upper surface of the rotor 19. Further, the door 5 can be installed and adjusted in the left-right direction by tightening and loosening the adjusting screw 16. Also, by tightening and loosening the adjusting screw 17, the door 5 is removed.
Can be installed and adjusted in the front-rear direction.

(Description of Cover) As shown in FIG. 6, the one-side cover 6 and the other-side cover 7 have substantially the same planar shape, and are mounted so that the other-side cover 7 overlaps the one-side cover 6.
The one side cover 6 and the other side cover 7 have an integrated appearance. The one-side cover 6 is attached (supported) to the lower part and the upper part of the lower shaft part 14, that is, to the lower part and the upper and lower middle part of the shaft part 3c, and the connecting part 11 of the one-side bracket 3a, the lower shaft part 14, and the adjusting screw 16 And the one-side cover 6 and the connecting portion 11 are relatively movable in the mounting adjustment direction (for example, the left-right direction). The other side cover 7 is attached (supported) to the lower part and the upper part of the upper shaft part 15, that is, to the upper part and the upper and lower middle part of the shaft part 3c, and the connecting part 13 of the other side fitting 3b, the upper shaft part 15, and the adjusting screw 17 And the other side cover 7 and the connecting portion 13 are relatively movable in the mounting adjustment direction (for example, the front-back direction).

As described above, when the adjusting screw 16 is tightened and loosened to move the one-side bracket 3a in the left-right direction with respect to the lower shaft part 14, the door 5 is installed and adjusted in the left-right direction.
The one-side cover 6 does not move left and right with respect to the lower shaft part 14. Therefore, the one-side cover 6 and the other-side cover 7 do not shift in the left-right direction.

When the adjusting screw 17 is tightened and loosened to move the other metal fitting 3b in the front and rear direction with respect to the upper shaft part 15, and the door 5 is mounted and adjusted in the front and rear direction, the other side cover 7 is moved to the upper shaft part. It does not move back and forth with respect to the part 15. Therefore, the one-side cover 6 and the other-side cover 7 do not shift in the front-back direction.

(Specific shape of one-side cover 6) As shown in FIG. 7, the one-side cover 6 is surrounded by a peripheral plate 21, an upper plate 22, and a lower plate 23, and is connected to the mounting portion 10 of the one-side bracket 3a. 11
A cover body 25 having a substantially cylindrical cover body 25 having an opening 24 large enough to be inserted therethrough, and a lid 26 for opening and closing a part of the opening 24
It is a substantially box shape having When the lid 26 is closed, the opening 24 becomes smaller, so that only the mounting portion 10 is inserted. The one-side cover 6 is made of a resin, for example, polypropylene.

The peripheral plate 21 has a substantially cylindrical shape larger than the connecting portion 11. The upper surface plate 22 has a substantially disk shape integrally provided on an upper edge portion of the peripheral surface plate 21 and has a shaft component upper / lower middle support portion 27. The shaft part upper and lower intermediate part support part 27 is
An upper portion protruding from the upper surface of the connecting portion 11 of the lower shaft component 14, for example, a substantially circular hole 27a into which an upper flange portion 14c fits, and a part of the substantially circular hole 27a is
2 has a cutout portion 27b that opens to the outer peripheral edge. The opening A of the substantially circular hole 27a is smaller than the diameter of the upper flange 14c, and the opening B of the notch 27b is larger than the diameter of the upper flange 14c. By pushing the substantially circular hole 27a into the upper flange 14c through the notch 27b, the resin slightly expands due to the elasticity of the resin, and the substantially circular hole 27a is securely fitted to the upper flange 14c as shown in FIG. Combine. The opening dimension A of the substantially circular hole 27a may be the same as the diameter of the upper flange 14c.

The lower plate 23 has a substantially disk shape integrally provided along the lower edge of the peripheral plate 21 and has a lower part 2 for supporting the shaft component.
8 The shaft component lower support portion 28 has a support recess 28a at a substantially central portion, and a guide portion 28b formed over a part of the support recess 28a and the outer peripheral edge of the lower plate 23. The guide portion 28b is provided with the lower screw portion 1 of the lower shaft component 14.
The support recess 28a has a substantially circular shape having substantially the same diameter as the diameter of the lower screw portion 14a, and the opening dimension C is smaller than the diameter of the lower screw portion 14a. .
The opening dimension C may be the same as the diameter of the lower screw portion 14a.

The lid 26 is integral with the peripheral plate 21 and has a support portion 29 which is supported over the lid 26 and the cover main body 25 so as to be detachably supported on the cover main body 25 in the closed position. For example, projecting pieces 29a are integrally formed on the upper edge and the lower edge of the lid 26, engaging grooves 29b are respectively formed on the upper surface plate 22 and the lower surface plate 23, and each projecting piece 29a is formed on each of the engaging groove portions 29b. It supports by engaging with.

(Attaching procedure of the one-side cover 6) As shown in FIG. 2, the door 5 is closed, and the connecting portion 11 of the one-side fitting 3a is connected.
Protrudes more outwardly than the door 5. The worker has one side cover 6
Is held by hand, and the lid 26 is set on the opposite side to the one vertical frame 2c,
The lid 26 is opened so that the opening 24 faces the connecting portion 11 of the one-side metal fitting 3a attached to the vertical frame 2c. The notch 27b, the upper flange 14c and the guide 28
b and the lower screw portion 14a are aligned with each other, and the one-side cover 6 is pushed into the connecting portion 11 so that the substantially circular hole portion 27a and the upper flange portion 14c, the support concave portion 28a and the lower screw portion 14a are formed.
are fitted together, the upper surface of the connecting portion 11 is in contact with the inner surface of the upper surface plate 22, and the one-side cover 6 is supported by the lower and upper portions of the lower shaft component 14, that is, the lower and upper and lower intermediate portions of the shaft component 3c. Mounted. The upper shaft portion 14d of the lower shaft component 14 projects above the upper surface plate 22. After this, the door 5 is moved to 9
Open at least 0 degrees and close the lid 26.

(Specific shape of other side cover 7) As shown in FIG. 9, the other side cover 7 is surrounded by a peripheral plate 31, an upper plate 32, and a lower plate 33, and is connected to the mounting portion 12 of the other metal fitting 3b. 13
And a substantially cylindrical cover body 36 having an intermediate plate 35 and an opening 3
4 is a substantially box-like shape having a lid 37 for opening and closing a part of the cover 4. When the lid 37 is closed, the opening 34 becomes smaller, so that only the mounting portion 12 is inserted. This other side cover 7
Is a resin, for example, polypropylene.

The peripheral plate 31 has a substantially cylindrical shape larger than the connecting portion 13, and the peripheral plate 31 has the same planar shape as the peripheral plate 21 of the one-side cover 6. The upper surface plate 32 has a substantially disk shape integrally provided on an upper edge portion of the peripheral surface plate 31 and has a shaft component upper support portion 38. The upper plate 32 has the same size as the lower plate 23 of the one-side cover 6. The shaft component upper support portion 38 has a support recess 38a at a substantially central portion, and a guide portion 38b formed over a part of the support recess 38a and the outer peripheral edge of the upper surface plate 32. The guide portion 38b
Is the upper part of the upper shaft part 15, that is, the upper screw portion 18 of the shaft 18.
The supporting recess 38b has a substantially circular shape having a diameter substantially the same as the diameter of the upper screw portion 18a, and an opening dimension thereof is smaller than the diameter of the upper screw portion 18a.
That is, the shaft component upper support portion 38 is provided with the one-side cover 6.
Has the same shape as that of the shaft component lower support portion 28.

The lower plate 33 has a substantially disk shape integrally provided at the lower edge of the peripheral plate 31, and the lower plate 33 has the same size as the upper plate 22 of the one-side cover 6. The lower plate 33
Has a shaft component upper / lower intermediate support portion 39. The shaft component upper / lower intermediate support portion 39 lowers the lower portion of the upper shaft component 15, that is, the substantially circular hole portion 39a in which the circular lower portion 19b of the rotor 19 fits, and lowers a part of the substantially circular hole portion 39a. Face plate 33
Has a cut-out portion 39b that opens to the outer peripheral surface of the cover. The opening dimension D of the substantially circular hole portion 39a is smaller than the diameter of the circular lower portion 19b, and the opening size E of the cutout portion 39b is larger than the diameter of the circular lower portion 19b. By pushing the substantially circular hole portion 39a into the circular lower portion 19b of the rotor 19 through the notch portion 39b, the resin slightly expands due to the elasticity of the resin, and the substantially circular hole portion 39a is securely fitted to the circular lower portion 19b (FIG. 10). reference). The opening dimension D of the substantially circular hole 39a may be the same as the diameter of the circular lower portion 19b. That is, the shaft component upper / lower intermediate support portion 39 is provided on the one side cover 6.
7 has the same shape.

The intermediate plate 35 has a shaft part auxiliary support 40
Is formed. The shaft component auxiliary support portion 40 has a substantially circular hole portion 40a similarly to the shaft component upper and lower intermediate portion support portion 39,
It has a notch 40b. This shaft component auxiliary support portion 40 is fitted to the upper and lower middle portion of the upper shaft component 15, that is, the lower flange portion 18c of the shaft 18 in the same manner as described above.

The lid 37 is integral with the peripheral plate 31, and a support portion 41 is provided between the lid 37 and the cover body 36 so as to be detachably supported on the cover body 36 at the closed position. For example, the protrusions 41a are integrally formed on the upper edge and the lower edge of the lid body 37, and the engagement grooves 41b are formed on the upper surface plate 32 and the lower surface plate 33, respectively. It supports by engaging with.

That is, the other-side cover 7 has a shape in which the one-side cover 6 is turned upside down and an intermediate plate 35 is provided.

(Attaching procedure of the other side cover 7) As shown in FIG. 2, the door 5 is closed, and the connecting portion 1 of the other side fitting 3b is connected.
3 protrudes outside the door from the door 5. The operator holds the other-side cover 7 by hand, sets the lid 37 on one side of the vertical frame 2c, opens the lid 37, and connects the opening 34 to the connecting portion of the other-side fitting 3b attached to the door 5. 13. Then, the guide portion 38b and the upper screw portion 18a, the notch portion 39b and the circular lower portion 19b, and the notch portion 40b and the lower flange portion 18c are aligned. By pushing the other side cover 7 into the connecting portion 13, the support concave portion 38 a, the upper screw portion 18 a, the substantially circular hole 3
9a and the circular lower portion 19b, the substantially circular hole portion 40a and the lower flange portion 18c are fitted with each other, the lower surface of the connecting portion 13 is in contact with the intermediate plate 35, and the other side cover 7 is the upper portion of the upper shaft component 15, the upper and lower intermediate portions , The lower part, that is, the upper part, the upper and lower middle part of the shaft part 3c, and is mounted. The lower surface of the circular lower portion 19b, that is, the lower surface of the upper shaft component 15 is flush with the lower surface of the lower plate 33, and the lower plate 33 faces the upper plate 22 of the one-side cover 6. Thereafter, the door 5 is opened upward by 90 degrees or more, and the lid 3 is opened.
Close 7.

(Description of Upper Hinge 4) One side fitting 4 a of the upper hinge 4 includes a mounting portion 40 and a connecting portion 41 as shown in FIG.
And the attachment portion 40 is attached to one of the vertical frames 2c, and the connecting portion 41 projects more toward the outdoor side than the vertical frame 2c. The other side metal fitting 4b of the upper hinge 4 has a mounting portion 42 and a connecting portion 43, and the mounting portion 42 is mounted on the end surface 5a of the door 5, and the connecting portion 43 protrudes more toward the outside of the door than the door 5. The shaft component 4c of the upper hinge 4 has an upper shaft component 44 and a lower shaft component 45.

The one-side fitting 4a has the same shape as the one-side fitting 3a of the lower hinge 3. The upper shaft component 44 has a shape in which the lower shaft component 14 of the lower hinge 3 is turned upside down, and is attached by screwing a nut 44b to the upper screw portion 44a to press the lower flange portion 44c against the lower surface of the connecting portion 41. The lower shaft portion 44d of the lower shaft component 44 is long. Further, by tightening and loosening the adjusting screw 46, the upper shaft component 44 moves in the left-right direction with respect to the connecting portion 41.

The one-side cover 8 attached to the one-side bracket 4a of the upper hinge 4 has a shape in which the one-side cover 6 of the lower hinge 3 is turned upside down, and includes the upper screw portion 44a and the lower flange portion 44c.
It is attached by being fitted to and supported by.

The connecting portion 43 of the other metal fitting 4b is substantially U-shaped in plan view. The lower shaft part 45 includes a horizontal piece 45a, both-side rising pieces 45b, and one-end rising pieces 45c. The both-side rising pieces 45b are fitted into the connecting portions 43 from below, and screws 45e are screwed into the connecting portions 43 from the long holes 45d. Mounted. The lower shaft part 44d of the upper shaft part 44 is formed with a hole 45f of a horizontal piece 45a.
, The lower flange portion 44c is in contact with the upper surface of the connecting portion 43, and the one-side metal member 4a and the other-side metal member 4b are rotatably connected.

The adjusting screw 47 screwed to the connecting portion 43 is tightened and loosened, so that the lower shaft part 44d and the lower shaft part 45 are tightened.
Can move in the front-back direction. Therefore, the screw 45e is loosened, and the adjusting screw 47 is tightened and loosened.
5 moves in the front-rear direction with respect to the connecting portion 43.

The other cover 9 attached to the other metal fitting 4b of the upper hinge 4 is substantially the same as the one cover 6 of the lower hinge 3, as shown in FIG. Only the cutout portion 48 through which the lower shaft portion 44d of the shaft component 44 is inserted is formed, and the lower surface plate 23 is flat. As shown in FIG. 13, the cover 26 is fixedly attached to one end rising piece 45 c of the lower shaft part 45 with a screw 49.

(Other Embodiments) The openings 24 and 34 in the one side cover 6, the other side cover 7 and the one side cover 8 and the other side cover 9 of the lower hinge 3 are increased, and The bodies 26 and 37 are enlarged and their lids 26 and 37
By releasing 27, the adjusting screws 16, 17, 46, 4
7 may be exposed. In this way, by opening the lids 26 and 37 with the covers attached, a tool is inserted through each opening to loosen the nut, and the adjusting screws 16, 17, 46 and 47 are tightened. Can be loosened and adjusted in the left-right direction and the front-back direction. In addition, by opening the lid 37 of the other cover 7 of the lower hinge 3, a tool can be inserted through the opening 34, the nut 18 g and the adjusting screw 17 can be tightened and loosened, and the rotor 19 can be rotated.
Therefore, it is possible to perform vertical mounting adjustment with the other-side cover 7 attached.

For example, as shown in FIG. 14, the opening portion 34 is enlarged, and the opening / closing portion 37a of the lid 37 is made larger than the center of the shaft component upper support portion 38 and the center of the shaft component upper and lower middle support portion 39. By opening the lid 37, the adjusting screw 17 is exposed in the opening 34.

The support portions 29 and 41 for removably supporting the lids 26 and 37 are provided on the inner surfaces of the lids 26 and 37 and the inner surfaces of the upper plates, or between the inner surfaces of the lids 26 and 37 and the peripheral plates 21 and 31. May be provided on the inner surface. For example, as shown in FIG. 15, a locking piece 29c is provided on the inner surface of the lid 26, and a locking receiving piece 29d is provided on the inner surface of the upper plate 22. When the lid 26 is closed, the locking pieces 2
9c engages with the locking receiving piece 29d to support the lid 26 at the closed position.

As shown in FIG. 16, a locking piece 29e is provided on the inner surface of the lid 26, and a pair of upper and lower locking receiving pieces 29f are provided on the inner surface of the peripheral plate 21. When the lid 26 is closed, the locking piece 29e
Penetrates between the pair of locking receiving pieces 29f to engage with each other, and the lid 2
6 in the closed position.

The lids 26 and 37 are attached to the cover bodies 25 and 3
6, and may be attached with the support portions 29, 41 or screws described above. For example, as shown in FIG. 17, the lid 26 is separated from the peripheral plate 21, a pair of protrusions 29 a are provided on upper and lower end surfaces of the lid 26, and a pair of engagement grooves 29 b are formed on the upper plate 22 and the lower plate 23. Form. The lid 26 is attached by engaging the projections 29a with the engagement grooves 29b.

As shown in FIG. 18, a first opening 24-1 and a second opening 24-2 are formed in the peripheral surface plate 21, and the first opening 24-1 is fitted to the connecting portion 11 from the first opening 24-1. At the same time, a tool is inserted through the second opening 24-2, and the adjusting screw 16 is tightened and loosened. The lid 26 has a substantially semicircular shape having a size that closes a part of the first opening 24-1 and the second opening 24-2, and is attached by being fitted into the peripheral plate 21 of the cover main body 25. . The lid 26 and the cover body 25 may be supported by the above-described support portion 29 or may be supported by screws.

Although the covers are mounted by fitting and supporting the shaft parts, the covers may be mounted on the shaft parts by screws. For example, as shown in FIG. 19, the upper screw portion 18a of the shaft 18 supported by the other metal fitting 3b of the lower hinge 3
A screw hole 50 is formed in the end face of the substrate. A through hole 51 is formed in a substantially central portion (the support recess 38 a) of the upper surface plate 32 of the other side cover 7. As shown in FIG. 20, a screw 52 is screwed into the screw hole 50 from the through hole 51 and attached. In this case, the shaft part upper support part 38 and the shaft part upper and lower middle part support part 3 are attached to the other side cover 7.
9 need not be formed.

The above-mentioned hinge is installed by adjusting one side bracket in the left-right direction with respect to one of the upper and lower parts of the shaft part, and moving the other side bracket in the front-rear direction with respect to the other upper and lower parts of the shaft part. Because it is a type that one side cover, the other side cover is mounted by supporting the upper and lower one part of the shaft part, the other upper and lower parts, but the upper and lower one part of the shaft part is supported so as not to move to the one side bracket, In the case of a hinge of a type in which the mounting bracket is adjusted by moving the other metal fitting in the left and right direction and the front and rear direction with respect to the other upper and lower part of the shaft part, the one side cover and the other side cover are attached to the upper and lower other part of the shaft part It is only necessary to support and mount each.

For example, as shown in FIG. 21, the lower shaft part 60 is attached to the connecting part 11 of the one-side fitting 3a attached to the door frame 2 so as not to move, and the other-side fitting 3b attached to the door 5 is connected. The cylindrical outer member 6 of the upper shaft part 61 is provided in the portion 13.
A hinge 1a is mounted so as to be movable in the left-right direction and the front-rear direction, and a tubular inner member 61b rotatably supported on an outer member 61a of the upper shaft component 61 is fitted and connected to the lower shaft component 60. According to this hinge, the door 5 moves in the left-right direction and the front-rear direction with respect to the door frame 2 by moving the other-side metal fitting 3b in the left-right direction and the front-rear direction with respect to the upper shaft part 61, thereby adjusting the installation. it can.

The one-side cover 6 is connected to the connecting portion 1 of the one-side bracket 3a.
An upper surface plate 62 and a lower surface plate 63 having substantially the same planar shape as 1 have an opening 65 through which a connecting portion 11 is inserted in a part of a side surface by a side surface plate 64. A part 66 is formed. The other side cover 7 is the other side fitting 3b.
An upper surface plate 67 and a lower surface plate 68 having substantially the same planar shape as the connecting portion 13 of FIG. A shaft component bearing 71 is formed. This one side cover 6,
The other cover 7 is made of a resin, for example, polypropylene.

The shaft part support part 66 of the one-side cover 6 and the shaft part support part 71 of the other side cover 7 have substantially circular holes 66a, 7 into which the outer member 61a of the upper shaft part 61 is fitted.
1a and cutouts 66b and 71b that open a part of the substantially circular holes 66a and 71a on one side. That is, it is the same as the shaft component upper / lower intermediate portion support portion 27. Therefore,
In the same manner as described above, the openings 65 and 70 are opposed to the connecting portions 11 and 13 of the one-side fitting 3a and the other-side fitting 3b, respectively, and are pushed into the outer member 61a of the upper shaft part 61 so that the respective substantially circular holes 66a and 66a are formed.
The first side cover 6 and the other side cover 7 are fitted together as shown in FIG.
Installed as shown.

In this way, the one-side cover 6 and the other-side cover 7 are supported by the shaft part (upper part 61). The side cover 7 does not shift.

[0062]

According to the first aspect of the present invention, the connecting portion of the one-side bracket and the shaft component are covered by the one-side cover, and the connecting portion of the other-side bracket and the shaft component are covered by the other cover. The appearance is good. One side bracket for the shaft part, hinge for moving the other side bracket to adjust the installation, or hinge for moving the other side bracket to the shaft part to adjust the installation, one side cover, other Since the side cover is supported by the shaft parts and attached,
When the mounting and adjustment are performed as described above, the one-side cover and the other-side cover do not relatively move, and their positions do not shift with each other.

According to the second aspect of the present invention, the one-side cover and the other-side cover can be attached by fitting the shaft-part supporting portions of the one-side cover and the other-side cover to the shaft part. Therefore, the one-side cover and the other-side cover can be easily attached, and since screws and the like are not required, the cost is low.

According to the third aspect of the present invention, the cover bodies of the one-side cover and the other-side cover can be easily attached by opening the lid, and by closing the lid after the attachment, each connecting portion can be connected. The shaft parts can be covered. Moreover, since the lid is provided integrally with the cover body, the one-side cover,
The other side cover can be easily attached.

[Brief description of the drawings]

FIG. 1 is a schematic external view of a door opening device.

FIG. 2 is a perspective view of a portion where a door is attached to a door frame.

FIG. 3 is a vertical sectional view of a lower hinge.

FIG. 4 is an exploded perspective view of one side bracket of the lower hinge and a lower shaft part.

FIG. 5 is an exploded perspective view of the other side bracket of the lower hinge and the upper shaft part.

FIG. 6 is a perspective view of the lower hinge device with a cover attached to the lower hinge.

FIG. 7 is a perspective view of one side fitting and one side cover.

FIG. 8 is a perspective view showing a state where one side cover is attached.

FIG. 9 is a perspective view of the other side fitting and the other side cover.

FIG. 10 is a perspective view showing a state where the other side cover is attached.

FIG. 11 is an exploded perspective view of the upper hinge.

FIG. 12 is a perspective view of the other side bracket and the other side cover of the upper hinge.

FIG. 13 is a perspective view showing a state where the other-side cover is attached.

FIG. 14 is a perspective view showing an embodiment in which the opening of the other side cover is enlarged.

FIG. 15 is a perspective view showing a second embodiment of the support portion of the one-side cover.

FIG. 16 is a perspective view showing a third embodiment of the support portion of the one-side cover.

FIG. 17 is a perspective view of a one-side cover showing an embodiment in which a lid body is provided separately.

FIG. 18 is a perspective view of a one-side cover showing an embodiment in which a lid body is provided separately.

FIG. 19 is a perspective view of the other-side fitting and the other-side cover showing an embodiment for screwing the other-side cover.

FIG. 20 is a perspective view of an attached state.

FIG. 21 is an exploded perspective view of a hinge and a cover in different forms.

FIG. 22 is a perspective view showing a state where a cover is attached.

[Explanation of symbols]

2 ... door frame, 3 ... lower hinge, 3a ... one side fitting, 3b ... other side fitting, 3c ... shaft part, 4 ... upper hinge, 4a ... one side fitting,
4b: Other metal fittings, 4c: Shaft parts, 5: Door, 6: One side cover, 7: Other side cover, 8: One side cover, 9: Other side cover, 10: Mounting part, 11: Connection part, 12 ... Mounting part, 13
... Connecting part, 14 ... Lower shaft part, 15 ... Upper shaft part, 16 ... Adjustment screw, 17 ... Adjustment screw, 24 ... Opening, 25 ... Cover body, 26 ... Lid, 34 ... Opening, 36 ... Cover body, 37: lid, 51: screw, 60: lower shaft part, 61 ...
Upper shaft part, 64 ... opening, 70 ... opening.

Claims (3)

[Claims] 1. A hinge in which a one-side fitting having a mounting part and a connecting part, and another side fitting having the mounting part and the connecting part are rotatably connected to each other by a shaft part between the connecting parts, and the one-side fitting. A cover for covering the connecting part and the shaft part, and another side cover for covering the connecting part of the other-side bracket and the shaft part, wherein the one-side cover and the other-side cover are supported and mounted by the shaft part. Features hinge device. 2. The hinge device according to claim 1, wherein the one-side cover and the other-side cover are made of a resin, and have a shaft component supporting portion fitted to the shaft component by elasticity of the resin. 3. The one-side cover and the other-side cover each include a cover body having an opening through which the connecting portion is inserted, and a lid body that opens and closes the opening and is provided integrally with the cover body. A hinge device as described.