JP5474650B2 - Cover for hinge - Google Patents

Description

  The present invention relates to a hinge cover attached to a door or a door frame so that a hinge for attaching the door to the door frame so as to be opened and closed is not exposed to the outside.

  Conventionally, as a pivot hinge that pivotably connects the upper end of the door and the upper side of the door frame, a hinge body having a pivot shaft that can move up and down and a bearing that rotatably receives the pivot shaft are provided. Some have a hinge. This type of pivot hinge has a hinge body mounted on either the door or door frame and a bearing mounted on the other, and the pivot shaft protrudes with the door held at a predetermined opening with respect to the door frame. The door is attached to the door frame so as to be openable and closable by being fitted to the bearing.

  Patent Document 1 below discloses that the protruding state of the pivot shaft of this kind of pivot hinge can be confirmed from the outside. The pivot hinge disclosed in Patent Document 1 is provided with a pin that can be visually recognized from the outside on a link provided in the hinge body, so that the protruding state of the pivot shaft can be grasped by the position of the pin with respect to the groove formed in the hinge body. And the construction work of fitting the pivot shaft to the bearing using a tool and visually recognizing the position of the pin with respect to the groove of the hinge body is performed using a notch formed in the upper end portion of the door.

Japanese Patent No. 4278694

  However, the notch formed at the upper end of the door is closed by the hinge cover. Therefore, even if it is a pivot hinge of patent document 1, after construction work is completed, unless the cover for hinges located in the upper end part of a door is removed, it is externally checked whether the pivot shaft is properly fitted to the bearing. I can't confirm.

  The present invention has been made in view of such a point, and the object is to confirm from the outside that the pivot shaft is properly fitted to the bearing even after the construction work is completed. It is providing the cover for hinges which enables this.

In order to achieve the above object, the hinge cover 60 of the present invention includes a pivot shaft 17 that moves in the axial direction and is fitted to a bearing 7 attached to either the door D or the door frame 5. The hinge cover 60 is formed on the hinge cover 60 in the hinge cover 60 that closes the notch 50 formed on either the door D or the door frame 5 so that the hinge body 10 is not exposed to the outside . the pin when the hole 67 is mounted from the front side 61a of the hinge cover 60 includes a pin 66 which protrudes toward the hinge main body, the pivot shaft 17 is not engaged properly fitted to the shaft receiving 7 66 interferes with the hinge body 10.

  Here, the hinge body 10 includes a rotating shaft 19 having an engaging portion 20 that receives a rotation operation by a user at least at one end, a main body 13 to which the engaging portion 20 is exposed and the rotating shaft 10 is attached, It is preferable to include a rotary shaft 19 and a link 25 that is rotatably connected to the pivot shaft 17.

  According to the hinge cover of the present invention, it is possible to confirm whether or not the pivot shaft of the hinge is properly fitted to the bearing by simply looking at the state of the hinge cover even after the construction work is completed. There is an effect.

It is attachment sectional drawing of the pivot hinge which concerns on this embodiment. It is a front view of a hinge body, showing the state of the hinge body before hanging. It is a left side view of the hinge body showing the state of the hinge body before hanging. It is the internal structure figure of a hinge main body which shows the state of the hinge main body before hanging. It is the front view of a hinge main body which shows the state of the hinge main body after hanging. It is a left side view of the hinge body showing the state of the hinge body after hanging. It is the internal structure figure of a hinge main part which shows the state of the hinge main body after hanging. It is a side view of the cover for hinges concerning this embodiment. It is a rear view of the cover for hinges concerning this embodiment. It is a front view which shows the state which mounted | wore the notch part with the cover for hinges concerning this embodiment. It is AA sectional drawing of FIG. It is a side view which shows the modification of the cover for hinges of this invention. It is a rear view which shows the modification of the cover for hinges of this invention. It is a front view which shows the state which mounted | wore the notch part with the hinge cover of the modification of this invention. It is BB sectional drawing of FIG. It is sectional drawing of the cover for hinges which shows the other modification of the cover for hinges of this invention.

  Hereinafter, an embodiment of the hinge cover of the present invention will be described with reference to the drawings. In the following description, an example in which the hinge cover of the present invention is applied to a pivot hinge is shown, but the present invention can also be applied to an auto swing hinge, a floor hinge, and the like.

-Pivot hinge configuration-
First, with reference to FIG. 1 thru | or FIG. 7, the structure of the pivot hinge which concerns on this embodiment is demonstrated. 1 is a mounting sectional view of a pivot hinge according to the present embodiment, FIGS. 2 to 4 show the state of the hinge body before hanging, FIG. 2 is a front view, FIG. 3 is a left side view, and FIG. FIGS. 5 to 7 show the state of the hinge body after hanging, FIG. 5 is a front view, FIG. 6 is a left side view, and FIG. 7 is an internal structure diagram.

  As shown in FIG. 1, the pivot hinge 2 includes a hinge body 10 attached to the left side of the upper end portion of the door D and a bearing 7 attached to the door frame 5.

  The hinge body 10 is provided with a pivot shaft 17, and the bearing 7 is provided with a cylindrical hole 8 into which the pivot shaft 17 can be inserted and removed. The hole 8 is arranged coaxially with the pivot shaft 17, and when the pivot shaft 17 is inserted into the hole 8, the pivot shaft 17 is rotatably received.

  When the pivot shaft 17 of the hinge body 10 is inserted into the hole 8 of the bearing 7, the door D is suspended from the door frame 5, and the door D can be rotated in the horizontal direction.

  As shown in FIG. 2, the hinge body 10 includes a base body 11 attached along the upper end portion of the door D in addition to the pivot shaft 17, and a pair of side bodies extending parallel to the lower vertical direction in the width direction of the base body 11. A main body 13 having 12 and 12 is provided. As shown in FIG. 4, the main body 13 is configured by attaching the side body 12 to the left end portion side of the base body 11 with fixtures 14 and 14.

  Further, a cylindrical guide tube 15 is provided between the side bodies 12 and 12 at the left end portion of the base body 11 and protrudes downward and is firmly fixed by caulking, welding, or the like. A hole 15a of the guide tube 15 is provided. A pivot shaft 17 is inserted into the shaft so as to be movable up and down. On the lower right side of the pivot shaft 17, a rotating shaft 19 is provided between the side bodies 12, 12 with the axis thereof being orthogonal to the axial direction of the pivot shaft 17. As shown in FIG. 3, a cross-shaped operation portion 20 is integrally formed at both ends of the rotary shaft 19, and these operation portions 20 are rotatably exposed at both end surfaces of the side bodies 12, 12. .

  As shown in FIGS. 3 and 4, the rotating shaft 19 is provided with a pair of left and right rotating bodies 22 that rotate integrally with the rotating shaft 19. Around the rotating body 22, three projecting portions 22 a, 22 b, 22 c projecting in the circumferential direction are formed. One protrusion 22 a is connected to the pivot shaft 17 by connecting pins 26 and 27 via a link 25. The link 25 is rotatably attached to the pivot shaft 17 and one projecting portion 22a of the rotating body 22 via connecting pins 26 and 27.

  A first coil spring 29 is wound around the rotating shaft 19, and the first coil spring 29 is disposed between the rotating body 22 and one side body 12. One end of the first coil spring 29 is engaged with the base of one protrusion 22a formed on the rotating body 22, and the other end is formed by bending a part of one side body 12 inward. Engaged with the bent body 12a. The first coil spring 29 is applied with a predetermined resistance force f1a against the rotation of the rotating shaft 19 in the counterclockwise direction in FIG.

  A second coil spring 30 having a stronger elastic force than the first coil spring 29 is disposed below the pivot shaft 17. One end of the second coil spring 30 is engaged with a shaft body 31 disposed on the other protrusion 22 b of the rotating body 22, and the other end is below the rotating body 22 and is connected to the side bodies 12, 12. It is engaged with a support shaft 23 that is installed by being spanned. The second coil spring 30 has a resistance force f1b to the rotation of the rotation shaft 19 in the counterclockwise direction and a resistance force F2 to the rotation of the rotation shaft 19 in the clockwise direction with a predetermined rotation angle around the rotation shaft 19 as a boundary. , Are given by being switched. Specifically, a resistance force F1 = f1a + f1b is applied to the counterclockwise rotation of the rotary shaft 19 in FIG. 4, and a resistance force F2 in the opposite direction is applied when a predetermined rotation angle is reached. It is like that.

  In addition, even if the first coil spring 29 is damaged when the second coil spring 30 is broken and the resistance force f1b is lost, the position of the link 25 is adjusted by the resistance force f1a of the first coil spring 29. The shaft body 31 is prevented from being lowered.

  Further, both end portions of the connecting pin 27 that connects the rotating body 22 and the link 25 are exposed at both end surfaces of the side bodies 12 and 12. Grooves 28 are formed on both end surfaces of the side bodies 12 and 12 along the movement locus of the connecting pin 27 that moves in the vertical direction around the rotary shaft 19 as the rotary shaft 19 rotates. The connecting pin 27 moves along the groove 28. The rotation range of the rotator 22 is such that the protrusion 22c of the rotator 22 abuts on the bent body 12a formed on the side body 12 as shown in FIG. 4, and the protrusion of the rotator 22 as shown in FIG. 22a is regulated by contacting the bent body 12a, and the pivot shaft 17 can move in the vertical direction in accordance with the rotation of the rotating body 22. Specifically, when the protruding portion 22a abuts on the bent body 12a, the pivot shaft 17 moves upward so that the substantially upper half protrudes from the base body 11, while the protruding portion 22c is bent. When coming into contact with 12a, it moves downward so that the upper end is flush with the upper surface of the substrate 11, as shown in FIG.

  Further, in the axial direction of the guide tube 15, a groove 15 b serving as a locking portion is formed at the lower end portion so as to be orthogonal to the axial direction. On the other hand, below the pivot shaft 17 inserted into the hole 15a of the guide tube 15, pins 32 serving as locked portions are fixed by projecting both ends from the outer periphery of the pivot shaft 17 at right angles to the axial direction. Has been. The pin 32 can be engaged with and disengaged from the groove 15 b formed in the guide tube 15 according to the vertical movement of the pivot shaft 17.

-Operation of hinge body-
Next, with reference to FIG. 2 thru | or FIG. 7, operation | movement of the hinge main body which concerns on this embodiment is demonstrated.

  In the hinge body 10 configured as described above, the rotating body 22 rotates integrally in response to the rotating operation of the rotating shaft 19 by the operation unit 20, and the rotation is reciprocated in the vertical direction of the pivot shaft 17 by the link 25. In other words, the pivot shaft 17 can be moved between the protruded state and the guide tube 15.

  When the pivot shaft 17 is pulled into the guide tube 15 as shown in FIGS. 2 to 4 from the state in which the pivot shaft 17 protrudes from the base 11 as shown in FIGS. 5 to 7, FIGS. In the state shown, the rotation shaft 19 is rotated leftward, whereby the pivot shaft 17 is moved downward in the axial direction via the link 25. At this time, as shown in FIGS. 2 to 4, the connecting pin 27 that connects the rotating body 22 and the link 25 moves downward along the groove 28. Further, when the rotating shaft 19 reaches a predetermined rotation angle, the protrusion 22c of the rotating body 22 comes into contact with the bent body 12a, whereby the rotation of the rotating body 22 is restricted. At this time, a resistance force F2 is applied to the rotating shaft 19 by the elastic force of the second coil spring 30 against the clockwise rotation of the rotating shaft 19, so that the rotating body 22 returns to its original state. The state is maintained. Therefore, the pivot shaft 17 is held in a state where the tip end portion is accommodated in the guide tube 15.

  On the other hand, when the pivot shaft 17 is protruded from the base 11 as shown in FIGS. 5 to 7 from the state in which the pivot shaft 17 is drawn into the guide tube 15 as shown in FIGS. In the state shown in FIG. 4, by rotating the rotating shaft 19 clockwise, the pivot shaft 17 is moved upward in the axial direction via the link 25. At this time, when the rotation angle of the rotation shaft 19 exceeds a predetermined rotation angle, the rotation shaft 19 is vigorously rotated clockwise by the elastic force of the second coil spring 30 and the action of the first coil spring 29. . By this operation, the rotating body 22 rotates until the protruding portion 22a comes into contact with the bent body 12a formed on the side body 12 and the rotation is restricted, and the tip of the pivot shaft 17 protrudes from the base body 11 to the maximum extent.

  Further, in the pin 32 fixed to the pivot shaft 17, in a state where the substantially upper half of the pivot shaft 17 inserted into the hole 15 a of the guide tube 15 is inserted into the hole 8 of the bearing 7 and the door D can be opened and closed. , Engages with a groove 15 b formed in the lower end of the guide tube 15. The engagement between the groove 15b and the pin 32 prevents rotation of the pivot shaft 17 around the axis 15 with respect to the hole 15a of the guide tube 15. That is, the pivot shaft 17 rotates with respect to the hole 8 of the bearing 7 without rotating with respect to the guide cylinder 15 and the hinge body 10 to which the guide cylinder 15 is fixed, that is, the door D to which the hinge body 10 is attached. Will be. On the other hand, when the substantially upper half of the pivot shaft 17 is removed from the hole 8 of the bearing 7, the engagement between the groove 15b and the pin 32 is released.

-Mounting of pivot hinges-
Next, with reference to FIG. 1 thru | or FIG. 7, the attachment operation | movement of a pivot hinge is demonstrated.

  First, the base body 11 is attached to the hinge main body 10 at the upper left end portion of the door D using a fixing tool such as a flat head screw. At this time, the side bodies 12 and 12 of the hinge body 10 are embedded in the door D, and are attached so that the upper surface of the base body 11 is substantially flush with the upper end surface of the door D. Further, in the door D, the grooves 28, 28 of the side bodies 12, 12 are visible from the outside, and a notch 50 (see FIG. 1) is provided so that a predetermined tool can be inserted into the operation unit 20 from the outside. ) Is formed. The notch 50 can be opened and closed by a hinge cover 60 described later.

  When the pivot shaft 17 protrudes upward from the inside of the guide tube 15 (hangs the door), a tool is inserted from the notch 50 and engaged with the operation unit 20, and the rotary shaft 19 is rotated clockwise. Rotate to On the other hand, when the pivot shaft 17 is accommodated in the guide tube 15, the rotation shaft 19 may be rotated counterclockwise.

  When the hinge body 10 configured in this way is attached to the door D, the moving state of the connecting pin 27 with respect to the grooves 28 and 28 formed in the side bodies 12 and 12 from the notch 50 of the door D is visually recognized. As a result, the movement state of the pivot shaft 17 can be grasped at a glance, the door can be hung reliably, and an accident such as the door falling can be prevented.

-Configuration of hinge cover-
Next, the configuration of the hinge cover according to the present embodiment will be described with reference to FIGS. 8 to 11. 8 and 9 show the hinge cover, FIG. 8 is a side view of the hinge cover, and FIG. 9 is a rear view of the hinge cover. 10 and 11 show a state in which the hinge cover is attached to the notch 50, FIG. 10 is a front view, and FIG. 11 is a cross-sectional view taken along line AA of FIG. In FIG. 11, illustration of the link 25, the rotating shaft 19, the rotating body 22 and the like is omitted for easy understanding.

  The hinge cover 60 is provided to open and close the notch 50 formed in the door D. When the hinge cover 60 is attached to the notch 50, the notch 50 is closed and the main body 13 is exposed to the outside. It will not be exposed. The hinge cover 60 is made of resin, and an engaging portion 62 and a protruding portion 63 are formed on the back surface 61 b of the substantially square body portion 61.

  The engaging portion 62 is a standing wall formed corresponding to the opening of the notch 50, is inclined from the front end surface 62 </ b> A, and defines the notch 50 when the hinge cover 60 is attached to the notch 50. An inclined surface 62B that comes into contact with the portion D and a recess 62C for entering the portion of the door D are provided. By pressing the inclined surface 62B of the hinge cover 60 against the door D, the engaging portion 62 can be bent inward, and the hinge cover 60 can be attached to the notch 50 as shown in FIGS. It is configured.

  The protruding portion 63 is an arcuate standing wall formed corresponding to the groove 28 formed in the side body 12 of the hinge body 10, and protrudes from a portion surrounded by the engaging portion 62 on the back surface 61 b of the body portion 61. ing. The width of the protrusion 63 is smaller than the width of the groove 28 formed in the side body 12 of the hinge body 10. Further, when the pivot shaft 17 of the hinge body 10 is properly fitted to the bearing 7, the connecting pin 27 is positioned at the upper end in the groove 28, so that the length of the protrusion 63 is longer than that of the groove 28. The upper end side is formed to be shorter. As shown in FIG. 11, when the hinge cover 60 is attached to the cutout portion 50, the protruding portion 63 is in a direction from the back surface 61 b of the main body portion 61 toward the main body 13 (a direction orthogonal to the axis of the pivot shaft 17). It protrudes and penetrates the groove 28 of the side body 12 on one (left side) of the main body 13, and the distal end surface 63 </ b> A is located between the two side bodies 12 and 12 of the main body 13. Further, the upper end 63 a of the protruding portion 63 is disposed at a position close to the connecting pin 27.

  On the other hand, when the pivot shaft 17 of the hinge main body 10 is not properly fitted to the bearing 7, the connecting pin 27 is not positioned at the upper end of the groove 28, so that the hinge cover 60 is formed in the notch 50. Even if it is going to mount | wear, the front end surface 63A of the protrusion part 63 will interfere with the connection pin 27, and mounting | wearing to the notch part 50 of the cover 60 for hinges will be blocked | prevented.

  According to the hinge cover 60 configured as described above, if the hinge cover 60 is attached to the notch 50, the pivot shaft 17 of the hinge body 10 is properly fitted to the bearing 7. Become. Therefore, even after the construction work is completed, it can be confirmed that the pivot shaft 17 of the hinge body 10 is properly fitted to the bearing 7 only by looking at the presence or absence of the hinge cover 60. Further, since the upper end 63a of the protruding portion 63 is arranged at a position close to the connecting pin 27, the protruding portion 63 is provided when the pivot shaft 17 of the hinge body 10 is not properly fitted to the bearing 7. The front end surface 63A always interferes with the connecting pin 27 and the attachment of the hinge cover 60 is prevented. Even if the connecting pin 27 tries to move downward along the groove 28 for some reason, the connecting pin 27 comes into contact with the upper end 63a of the protruding portion 63 and is prevented from moving. The fitted state can be securely held.

  The hinge cover according to the present invention is not limited to the above-described embodiment, and various modifications and improvements can be made within the scope described in the claims. For example, in the above-described embodiment, the protrusion 63 of the hinge cover 60 is formed as an arcuate standing wall corresponding to the groove 28 formed in the side body 12 of the main body 13, but is formed as a pin shape. Also good.

  As shown in FIGS. 12 to 15, a pin-like portion 65 that protrudes from a cylindrical portion 64 formed in a portion surrounded by the engaging portion 62 on the back surface 61 b of the main body portion 61 may be used as the protruding portion. As shown in FIG. 15, the cylindrical portion 64 and the pin-shaped portion 65 protrude from the back surface 61 b of the main body portion 61 toward the hinge main body 10, and the pin-shaped portion 65 is the groove 28 of the side body 12 on one (left side) of the main body 13. And the space S (see FIGS. 5 and 14) between the protrusion 22a and the protrusion 22b and the groove 28 of the other (right) side body 12 are passed through. The pin-shaped portion 65 can be inserted into the space S between the protruding portion 22a and the protruding portion 22b only when the pivot shaft 17 is properly fitted to the bearing 7. The pin-shaped portion 65 is disposed close to the lower portion of the protruding portion 22a. Here, the pin-like portion 65 does not necessarily have to have a length that penetrates the grooves 28 and 28 of the two side bodies 12 and 12, and may have at least a length that can enter the space S. That's fine. When the pivot shaft 17 of the hinge body 10 is not properly fitted to the bearing 7, the tip 65 a of the pin-like portion 65 is connected to the protruding portion 22 a or the connecting pin 27 even if the hinge cover 60 is to be attached to the notch 50. The interference always occurs, and the attachment of the hinge cover 60 to the notch 50 is prevented. In addition, in a state where the hinge cover 60 is attached to the notch 50, even if the rotating body 22 tries to rotate for some reason, the pin-shaped portion 65 comes into contact with the protruding portion 22a and the rotation of the rotating body 22 is prevented. The state in which the pivot shaft 17 is fitted to the bearing 7 can be reliably held.

  Also, the pin-like portion 65 of FIGS. 12 to 15 may be a pin 66 separate from the hinge cover 60 so that it can be mounted from the front surface 61 a side of the hinge cover 60. As shown in FIG. 16, the pin 66 includes a head portion 66A and a shaft portion 66B. A through hole 67 is formed in the cylindrical seat portion 64 of the hinge cover 60, and the pin 66 is moved to a position where the projection 66C formed on the shaft portion 66B of the pin 66 enters the groove 67A formed in the through hole 67. The pin 66 is attached to the hinge cover 60 by being pushed into the through hole 67 from the front surface 61 a side of the hinge cover 60. The pin 66 is attached to the hinge cover 60 after the hinge cover 60 is attached to the notch 50. However, when the pivot shaft 17 of the hinge body 10 is not properly fitted to the bearing 7. Even if the pin 66 is to be mounted, the tip 66a of the pin 66 interferes with the protruding portion 22a or the connecting pin 27, and the mounting of the pin 64 to the hinge cover 60 is prevented. Therefore, even after the construction work is completed, it can be confirmed that the pivot shaft 17 of the hinge body 10 is properly fitted to the bearing 7 by just looking at the state of the pin 66.

  Further, in the above-described embodiment, the protrusion 63 interferes with the connecting pin 27, but the position of the hinge body 10 whose position changes by moving according to the fitting state of the pivot shaft 17 to the bearing 7 is shown. You may be comprised so that it may interfere with another structural member (Link 25, the rotary body 22, the pivot axis | shaft 17, etc.). Projecting portions 63 (pin-like portions 65, pins 66) projecting in a direction perpendicular to the axis of the pivot shaft 17 are projected to the movement trajectory of the constituent members, and the pivot shaft 17 is properly fitted to the bearing 7. Only in such a case, it is only necessary to be arranged close to the constituent member at the upper limit position (or lower limit position) of the movement locus.

  Further, in the above-described embodiment, the protruding portion 63 penetrates the groove 28 for the connecting pin 27 formed on the side body 12 to move, but the hole or groove for the protruding portion 63 to pass therethrough. May be separately formed on the side body 12 or may not penetrate the side body 12.

D Door 2 Pivot hinge 5 Door frame 7 Bearing 10 Hinge main body 12 Side body 13 Main body 17 Pivot shaft 19 Rotating shaft 20 Operation part (engagement part)
25 Link 28 Groove 50 Notch 60 Cover for hinge
61 Body 61a Front 61b Back 62 Engagement 62A Tip 62B Inclined 62C Recess 63 Protrusion 63A Tip 63a Top 64 Seat 65 Pin-like (Protrusion)
66 pin (protrusion)
67 Through hole

Claims (2)

The hinge body provided with a pivot shaft that moves in the axial direction and is fitted to a bearing attached to either the door or the door frame is formed on either the door or the door frame so that it is not exposed to the outside. In the hinge cover that closes the notch, the hinge cover includes a pin that is mounted in a hole formed in the hinge cover from the front side of the hinge cover and protrudes toward the hinge body, and the pivot shaft is A hinge cover, wherein the pin interferes with the hinge body when the bearing is not properly fitted.   The hinge body has a rotating shaft having an engaging portion that receives a rotating operation by a user at least at one end, a main body to which the engaging portion is exposed and the rotating shaft is attached, and the rotating shaft and the pivot shaft. The hinge cover according to claim 1, further comprising a link that is rotatably connected.

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