JP4278694B2 - Hinge, hinge body - Google Patents

Description

  The present invention relates to a hinge for attaching a door to a door frame so as to be opened and closed.

  2. Description of the Related Art Conventionally, as a pivot hinge that pivotally connects an upper end portion of a door and an upper side portion of a door frame, a hinge body having a pivot shaft that can move up and down and a second hinge that has a bearing that rotatably receives the pivot shaft. There is something with. 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 pivotally attached to the door frame by being fitted to the bearing.

  In this pivot hinge, an adjustment screw for moving the pivot shaft up and down is arranged in parallel with the pivot shaft, and when the hinge body is mounted on the door, the operation portion of the adjustment screw is exposed at the upper end of the door. Therefore, in order to operate the adjusting screw, it is necessary to engage an operating tool such as a driver from above the door, which is difficult to work. Further, when the door is closed, the adjustment screw is hidden between the door and the door frame, and the work cannot be performed unless the door is opened. Further, such a pivot hinge could not confirm whether or not the pivot shaft protruded completely.

  However, there is a pivot hinge that can confirm the protruding state of the pivot shaft (see Patent Document 1). In this pivot hinge, a confirmation pin moves up and down together with the adjusting screw in accordance with the protruding state of the pivot shaft. Specifically, when the pivot hinge is attached to the door frame, the adjustment screw and the confirmation pin are arranged so as to protrude from the upper side surface of the door frame, and the pivot shaft moves downward by operating the adjustment screw. As a result, the adjustment screw and the end face of the confirmation pin move upward, and when the pivot shaft moves completely downward, the end face of the adjustment screw and the confirmation pin becomes smooth with the upper side face. It can be confirmed by the position of the end face of the adjustment screw and the pin for confirmation whether the pivot shaft is completely protruding when the door is attached to the door frame by the pivot hinge. It has become.

Utility Model Registration No. 2550944

  However, the pivot hinge described in Patent Document 1 has a problem that it is difficult to confirm the protruding state of the pivot shaft.

  In addition, there is a need to provide a confirmation pin, resulting in an increase in manufacturing cost and manufacturing process.

  Accordingly, the present invention has been made with the above problem as an example of the problem, and provides a hinge or the like that can be manufactured while maintaining manufacturing costs and the like and can clearly check the protruding state of the pivot shaft. With the goal.

In order to solve the above-mentioned problem, the hinge (2) according to claim 1 is attached to either the door (D) or its surroundings and includes a pivot shaft (17) movable in the axial direction. (10) and a bearing (7) attached to the other of the door and the door frame and rotatably receiving the pivot shaft, wherein the hinge body receives a rotation operation by a user at least at one end. A rotating shaft (19) having an engaging portion (20), a main body (13) to which the engaging portion is exposed and the rotating shaft is attached, and rotatably connected to the rotating shaft and the pivot shaft. A link (25), and a groove (28) is formed in the main body. The link (27) moves up and down around the engaging portion according to the movement of the pivot shaft. ) It is provided, and the end of the pin is exposed to the main body so as to be visible from the outside, and the movement state of the pivot shaft can be grasped by the position of the pin with respect to the groove of the main body. .

Moreover, the hinge (2) according to claim 2 is attached to either one of the door (D) and the surrounding door frame (5), and includes a pivot shaft (17) movable in the axial direction. (10) and a bearing (7) attached to the other of the door and the door frame and rotatably receiving the pivot shaft, an engaging portion (20) for receiving a rotation operation by a user at least at one end. ), A main body (13) to which the engaging portion is exposed and the rotating shaft is attached, and the rotating shaft and the pivot shaft via connecting pins (26, 27). A link (25) that is pivotably connected, and a groove (28) is formed in the main body, and an end portion of the connecting pin is exposed to the main body and is rotated by the rotating shaft. Move along the groove Provided to, and wherein the the position of the connecting pin relative to the groove of the main body is possible to grasp the moving state of the pivot shaft. A hinge according to a third aspect is the hinge according to the second aspect, wherein the groove is formed to extend in the vertical direction around the engaging portion.

The hinge main body according to claim 4 is attached to either one of the door and the surrounding door frame, and is a pivot shaft movable in the axial direction inserted into a bearing attached to the other of the door and the door frame. A hinge body comprising: a rotating shaft having an engaging portion for receiving a rotation operation by a user at least at one end; and a main body to which the engaging portion is exposed and the rotating shaft is attached, via a connecting pin And a link that is rotatably connected to the pivot shaft. The main body has a groove, and an end portion of the connecting pin is exposed to the main body so as to be connected to the rotary shaft. The pivot shaft is provided so as to move along the groove, and the movement state of the pivot shaft can be grasped by the position of the connecting pin with respect to the groove of the main body .

  According to the present invention, since the connecting pin that moves according to the movement of the pivot shaft is exposed to the main body, the protruding state of the pivot shaft can be easily confirmed visually by the movement of the connecting pin. In addition, since a connecting pin is used as a member for confirming the movement state of the pivot shaft, there is no need to add a new member, and the hinge body can be manufactured with a slight design change, thus maintaining manufacturing costs and the like. I can plan.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the accompanying drawings. In the following description, an example in which the hinge of the present application is applied to a pivot hinge is shown, but it can also be applied to an auto swing hinge, a floor hinge, or the like.

-Pivot hinge configuration-
First, with reference to FIG. 1 thru | or FIG. 3, the structure of the pivot hinge in this embodiment is demonstrated. 1 is a mounting sectional view of a pivot hinge according to the present embodiment, FIG. 2 shows a state of the hinge body before hanging, FIG. 2 (a) is a front view, FIG. 2 (b) is a left side view, FIG. (C) is an internal structure diagram, FIG. 3 shows a state of the hinge body after being suspended, FIG. 3 (a) is a front view, FIG. 3 (b) is a left side view, and FIG. 3 (c) is an internal structure diagram. It is.

  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 main body 10 includes a base body 11 attached along the upper end portion of the door D, and a pair of side bodies 12 and 12 that extend in parallel to the lower vertical direction in the width direction of the base body 11. A main body 13 is provided. As shown in FIG. 2C, the main body 13 is configured by attaching the side body 12 to the left end side of the base body 11 with fixing tools 14 and 14.

  A cylindrical guide tube 15 is provided at the left end of the base 11, and a pivot shaft 17 is inserted into the guide tube 15 so as to be movable up and down. A rotating shaft 19 is provided on the lower right side of the pivot shaft 17 with its axis line orthogonal to the axial direction of the pivot shaft 17. As shown in FIG. 2 (b), cross-shaped engaging portions 20 are integrally formed at both ends of the rotating shaft 19, and these engaging portions 20 are rotatably exposed at both end surfaces of the side body 12. is doing.

  As shown in FIG. 2C, 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, there are formed three projecting portions 22a, 22b, 22c projecting in the circumferential direction. 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 22 a 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 provided with a predetermined resistance force F1 against the counterclockwise rotation of the rotary shaft 19 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 between the other protrusions 22 b of the rotating body 22, and the other end is hung on the side body 13 below the rotating body 22. It is engaged with a support shaft 23 that is delivered and attached. The second coil spring 30 has a resistance force F1 with respect to rotation of the rotation shaft 19 in the counterclockwise direction and a resistance force F2 with respect to rotation 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 is applied to the counterclockwise rotation of the rotary shaft 19 in FIG. 2C, and when a predetermined rotation angle is reached, a resistance force F2 in the opposite direction is applied. It has become so.

  In addition, the first coil spring 29 has a resistance force of the first coil spring 29 even if the second coil spring 30 is damaged and the resistance force F1 of the second coil spring 30 is lost. The position of the link 25 is held by F1, and 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 body 12. Grooves 28 are formed on both end surfaces of the side body 12 along the movement trajectory of the connecting pin 27 that moves up and down in a fan shape around the rotating shaft 19 as the rotating shaft 19 rotates. The movement of the pin 27 is guided along the groove 28. The rotation range of the rotating body 22 is such that the protrusion 22c of the rotating body 22 abuts on the bent body 12a formed on the side body 12 as shown in FIG. The protrusion 22 a of the rotating body 22 is regulated by contacting the bent body 12 a, and the pivot shaft 17 can be moved in the vertical direction according to the rotation of the rotating body 22. At this time, the pivot shaft 17 can move upward so that the substantially upper half protrudes from the base 11, while it can move downward so that the upper end portion is flush with the upper surface of the base 11. ing.

-Operation of hinge body-
Next, with reference to FIG.2 and FIG.3, operation | movement of the hinge main body in this embodiment is demonstrated.

  In the hinge body 10 configured as described above, the rotating body 22 rotates integrally in response to the rotation operation of the rotating shaft 19 by the engaging portion 20, and the rotation reciprocates in the vertical direction of the pivot shaft 17 by the link 25. Converted into motion, the pivot shaft 17 is movable between a protruded state and a state accommodated in the guide tube 15.

  When the pivot shaft 17 is drawn into the guide tube 15 as shown in FIG. 2 from the state in which the pivot shaft 17 protrudes from the base 11 as shown in FIG. 3, in the state shown in FIG. By rotating in the direction, the pivot shaft 17 is moved downward in the axial direction via the link 25. At this time, as shown in FIG. 2, 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, since the resistance force F2 is applied to the rotating shaft 19 in the clockwise direction of the rotating shaft 19 by the elastic force of the second coil spring 30, the rotating body 22 does not return to its original state. 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 FIG. 3 from the state in which the pivot shaft 17 is drawn into the guide tube 15 as shown in FIG. 2, in the state shown in FIG. By rotating 19 to the right, 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 rightward 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.

-Mounting of pivot hinges-
Next, with reference to FIG. 1 thru | or FIG. 3, 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 body 12 of the hinge body 10 is embedded in the door D, and is attached so that the upper surface of the base 11 is substantially flush with the upper end surface of the door D. Further, the door D is formed with a notch 50 so that the groove 28 of the side body 12 can be visually recognized from the outside, and a predetermined tool can be inserted into the engaging portion 20 from the outside. The notch 50 can be opened and closed by a lid or the like (not shown).

  When the pivot shaft 17 is projected upward from the inside of the guide tube 15 (the door is suspended), a tool is inserted from the notch 50 and engaged with the engaging portion 20, and the rotary shaft 19 is moved leftward. Rotate to On the other hand, when the pivot shaft 17 is housed in the guide tube 15, the rotation shaft 19 may be rotated rightward.

  The hinge main body 17 configured in this way, when attached to the door D, can visually recognize the movement state of the connecting pin 27 with respect to the groove 28 formed in the side body 12 from the notch 50 of the door D, thereby turning the pivot shaft 17. The moving state of the door can be grasped at a glance, the door hanging work can be reliably performed, and an accident such as the door falling can be prevented.

  Further, since the connecting pin 27 is used as a member for confirming the movement state of the pivot shaft 17, it is not necessary to add a new member, and the hinge body 10 can be manufactured with a slight design change. Maintain it.

  Moreover, since the engaging part 20 and the groove | channel 28 are formed in the side body 12, it becomes easy to work and can reduce the burden of the operator at the time of work.

  As described above, the pivot hinge 2 of the present embodiment is attached to the door D and is attached to the hinge body 10 including the pivot shaft 17 that is movable in the axial direction, and the door frame 5. The hinge body 10 includes a rotating shaft 19 having an engaging portion 20 that receives a rotation operation by a user at both ends, and the engaging portion 20 is exposed so that the rotating shaft 19 is attached. And a link 25 rotatably connected to the rotary shaft 19 and the pivot shaft 17 via connecting pins 26 and 27, and the position of the rotary body 19 is determined by the rotational movement of the rotary shaft 19. One of the connecting pins 27 that changes is exposed to the side body 12.

  The hinge body 10 configured as described above can grasp the movement state of the pivot shaft 17 at a glance by visually confirming the movement state of the connecting pin 27 with respect to the groove portion 28 formed in the side body 12. Suspension work can be performed reliably, and accidents such as falling doors can be prevented. Further, since the connecting pin 27 is used as a member for confirming the movement state of the pivot shaft 17, it is not necessary to add a new member, and the hinge body 10 can be manufactured with a slight design change. Can be maintained.

  Further, a groove 28 for guiding the movement of the connecting pin 27 is formed in the side body 12, and the connecting pin 27 moves along the groove 28 by the rotation operation of the rotary shaft 19. In this way, the movement state of the pivot shaft 17 can be grasped by the position of the connecting pin 27 with respect to the groove 28.

  Further, the groove 28 is formed around the engaging portion 20 and extending in the vertical direction. In this way, since the vertical position of the connecting pin 27 with respect to the groove 28 corresponds to the moving state of the pivot shaft 17, the moving state of the pivot shaft 17 can be grasped at a glance by the position of the connecting pin 27 with respect to the groove 28. It becomes possible to do.

  In addition, this embodiment is one form, Comprising: It is not limited to this form, For example, the engaging part 20 may be provided only in the one end side of the rotating shaft 19. FIG. Further, instead of the connecting pin 27, the connecting pin 26 may be exposed on both end faces of the side body 12. Further, the hinge body 10 may be provided on the door frame 5 and the bearing 7 may be provided on the door D. In addition, a value indicating the moving state of the pivot shaft 17, a protruding state, a symbol indicating a retracted state, and the like may be displayed on the upper and lower ends of the groove 28. Thereby, the user can grasp the movement state of the pivot shaft 7 more clearly. Further, in the present embodiment, the connecting pin 27 and the shaft body 31 are provided on the same rotational radius with the rotary shaft 19 as the center, but may be provided on different rotational radii. Further, the rotational range of the rotating body 22 may be regulated by regulating the movement range of the connecting pin 27 by the groove 28.

It is attachment sectional drawing of the pivot hinge which concerns on this embodiment. The state of the hinge body before hanging is shown, and FIG. 2 (a) is a front view. The state of the hinge body before hanging is shown, and FIG. 2 (b) is a left side view. The state of the hinge main body before suspending is shown, FIG.2 (c) is an internal structure figure. The state of the hinge main body after suspending is shown, Fig.3 (a) is a front view. The state of the hinge body after suspending is shown, and FIG. 3 (b) is a left side view. The state of the hinge main body after suspending is shown, FIG.3 (c) is an internal structure figure.

Explanation of symbols

D Door 2 Pivot hinge 5 Door frame 7 Bearing 10 Hinge body 13 Body 19 Rotating shaft 25 Link 27 Connecting pin 28 Groove

Claims (4)

A hinge body having a pivot shaft attached to one of the door and its periphery and movable in the axial direction; and a bearing attached to the other of the door and the door frame and rotatably receiving the pivot shaft. In the hinge
The hinge body is
A rotary shaft having an engaging portion for receiving a rotating operation by a user to at least one end,
A main body to which the engaging portion is exposed and the rotating shaft is attached;
The rotation shaft and a link rotatably connected to the pivot shaft,
A groove is formed in the body,
The link is provided with a pin that moves up and down around the engaging portion in accordance with the movement of the pivot shaft, and the end of the pin is exposed to the main body so that it can be seen from the outside. The hinge is characterized in that the movement state of the pivot shaft can be grasped by the position of the pin with respect to the groove of the main body. A hinge body having a pivot shaft attached to one of the door and the surrounding door frame and movable in the axial direction; and a bearing attached to the other of the door and the door frame and rotatably receiving the pivot shaft. In a hinge with
A rotating shaft having an engaging portion for receiving 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;
A link that is rotatably connected to the pivot shaft and the pivot shaft via a connection pin;
A groove is formed in the main body, and an end portion of the connecting pin is exposed to the main body and is provided to move along the groove by a rotation operation of the rotating shaft, and the connecting pin with respect to the groove of the main body It is possible to grasp the movement state of the pivot shaft by the position of the hinge.   The hinge according to claim 2, wherein the groove is formed to extend in a vertical direction around the engaging portion. In a hinge body provided with a pivot shaft that is attached to any one of a door and a surrounding door frame and is movable in an axial direction inserted into a bearing attached to the other of the door and the door frame.
A rotating shaft having an engaging portion for receiving 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;
A link that is rotatably connected to the pivot shaft and the pivot shaft via a connection pin;
A groove is formed in the main body, and an end portion of the connecting pin is exposed to the main body and is provided to move along the groove by a rotation operation of the rotating shaft, and the connecting pin with respect to the groove of the main body A hinge body characterized in that the movement state of the pivot shaft can be grasped by the position of the hinge shaft .

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