JP4814049B2 - Door opening / closing mechanism - Google Patents

Description

  The present invention includes a hinge device comprising a door-side hinge provided on a door, a body-side hinge provided on a body, the door-side hinge, and a hinge pin that passes through the body-side hinge, and either the door side or the body side. And a check device having a shaft connected to the hinge pin, and a door opening / closing mechanism configured to transmit the rotation of the door to the shaft via the hinge pin. .

  There is a door opening / closing mechanism in which a check device (holding device) is connected to the hinge pin of the hinge device, and the door is held at a predetermined opening degree (for example, a half-open state or a full-open state) or an arbitrary opening degree. Yes (see, for example, Patent Document 1).

  The holding force of the check device is required to be able to maintain a fully open state on a slope, not to close even when a certain amount of wind blows, and to be able to hold even if there is a reaction when it is strongly opened.

As a check device used in such a mechanism, as disclosed in Patent Document 1, a case in which a viscous fluid is enclosed, and a case that is rotatably provided, one end side is There are shafts that extend to the outside of the case and flaps (vanes) that are provided along the shaft in the case, and when the shaft is rotated, a mechanism that provides a different resistance depending on the phase angle of the shaft is provided. is there.
Japanese Patent Laying-Open No. 2005-264616 (FIGS. 2 and 4)

  In the door opening / closing mechanism having such a configuration, it is necessary to provide the hinge device and the check device so that the axis of the hinge pin of the hinge device and the shaft of the shaft of the check device are on the same straight line.

  The present invention has been made in view of the above problems, and the problem is to provide a check device for the hinge device so that the axis of the hinge pin of the hinge device and the shaft of the shaft of the check device are on the same straight line. The object is to provide a door opening and closing mechanism.

  According to a first aspect of the present invention, there is provided a hinge device comprising a door-side hinge provided on a door, a body-side hinge provided on a body, the door-side hinge, a hinge pin that passes through the body-side hinge, a door side, and a body side And a check device having a shaft connected to the hinge pin and transmitting the rotation of the door to the shaft via the hinge pin. The door opening / closing mechanism is provided with positioning means for positioning the check main body on a two-dimensional plane with respect to a hinge to which the check main body is fixed.

  When the door rotates, the rotation is transmitted to the shaft of the check device connected to the hinge pin via the hinge pin, and the door is in a predetermined opening degree (for example, a half-open state or a fully-open state) or an arbitrary opening degree. Hold.

  In the invention according to claim 2, the positioning means includes a first positioning means and a second positioning means, and each positioning means has a surface facing a hinge on the side of the check body on which the check body is fixed, A recess having a circular cross-sectional shape formed on one of the surfaces of the hinge on the side to which the check main body is fixed facing the check main body, and a hinge on the side of the check main body on which the check main body is fixed An opposing surface is formed on the other surface of the surface facing the check main body of the hinge to which the check main body is fixed, and the cross-sectional shape that can be engaged with the concave portion is a circular convex portion, The engaging direction of the first positioning means is the same as the engaging direction of the second positioning means, and the shaft connecting portion connected to the shaft of the hinge pin is A hinge pin connecting portion that is formed on a surface, reaches a circumferential surface of the hinge pin, has a constant width, and is connected to the hinge pin of the shaft. 2. The door opening / closing mechanism according to claim 1, wherein a parallel surface is formed, and a distance between the two parallel surfaces is equal to or less than a width of a groove of the shaft connecting portion.

  The invention according to claim 3 is the door opening and closing mechanism according to claim 2, wherein the hinge pin connecting portion of the shaft of the check device has a shape extending in a direction intersecting the axial direction of the shaft. .

  According to the first to third aspects of the present invention, by providing positioning means for positioning the check main body on a two-dimensional plane with respect to the hinge on the side to which the check main body is fixed, the hinge pin of the hinge device is provided. A check device can be provided for the hinge device so that the shaft and the shaft of the shaft of the check device are collinear.

  According to a second aspect of the present invention, the positioning means includes first positioning means and second positioning means, and each positioning means is a surface facing the hinge of the check body on the side where the check body is fixed. A recess having a circular cross-sectional shape formed on one of the surfaces of the hinge on the side to which the check body is fixed is opposed to the check body, and the side of the check body on which the check body is fixed From the surface facing the hinge and the other surface of the surface facing the check body of the hinge on the side where the check body is fixed, and having a circular cross-sectional shape engageable with the recess Thus, the check device can be positioned on a two-dimensional plane with respect to the hinge device on the side where the check device is provided.

  In addition, since the engagement direction of the first positioning means and the engagement direction of the second positioning means are the same, the first check device can be simply moved closer to the hinge on the side where the check device is provided. The concave portion and the convex portion of the positioning means and the second positioning means are engaged at the same time, and the assembly is simple.

  Further, a shaft connection portion connected to the shaft of the hinge pin is formed on an end surface of the hinge pin, reaches a peripheral surface of the hinge pin, has a groove having a constant width, and is connected to the hinge pin of the shaft. The hinge pin connecting portion is formed with two parallel surfaces extending to the end of the shaft on the peripheral surface, and the distance between the two parallel surfaces is equal to or less than the width of the groove of the shaft connecting portion. If the direction of the groove of the hinge pin connection part of the check device and the direction of two parallel surfaces of the shaft connection part of the hinge device are parallel to the engagement direction of the first positioning means and the second positioning means, the check When the device is brought close to the hinge on the side where the check device is provided, the concave portion and the convex portion of the first positioning means and the second positioning means are simultaneously engaged, and the check device is Connection between the shaft connecting portion of the hinge pin connecting portion and the hinge apparatus is also made simultaneously.

  According to the invention which concerns on Claim 3, the hinge pin connection part of the said check apparatus can transmit a big torque because it is the shape extended in the direction which cross | intersects the axial direction of the said shaft.

Initially, the whole structure of the door opening / closing mechanism of this invention is demonstrated using FIGS.
An opening / closing mechanism for the door 3 of the vehicle 1 as shown in FIG. 5 will be described. As shown in FIG. 6, which is a cross-sectional view taken along the section line AA in FIG. 5, the door 3 is placed between the fender 4 side of the door 3 and the pillar 5 on the body side with respect to the pillar 5 (of the body). A hinge device 11 is provided that is rotatably supported in the direction of arrow O.

Next, as shown in FIG. 7, which is a view in the direction of arrow B in FIG. 6, a check device 51 is disposed below the hinge device 11, and this check device 51 is attached to the door 3.
Next, the hinge device 11 and the check device 51 will be described with reference to FIGS.

  As shown in FIG. 1 which is an exploded perspective view before assembly of the hinge device 11 and the check device, and FIG. 4 which is a perspective view after assembly, the hinge device 11 of this embodiment is attached to the side surface of the door 3. From the door side hinge (hinge male) 13, the body side hinge (hinge female) 15 attached to the body pillar 5, and the hinge pin 17 inserted through the holes formed in the door side hinge 13 and the body side hinge 15, respectively. It has become.

  The door-side hinge 13 includes, from above, an upper mounting portion 13a that contacts the side surface of the door 3, a main body portion 13c through which the hinge pin 17 is inserted, and a lower mounting portion 13b that contacts the side surface of the door 3.

  The upper attachment portion 13a is provided with a hole (not shown), and the upper attachment portion 13a is attached to the door 3 by a bolt 21 inserted through the hole and screwed into a female screw hole (not shown) on the door side. . Two holes 13d and 13d ′ (one of the two holes 13d ′ is not shown) are provided on the body portion 13c side of the lower mounting portion 13b, and the female screw on the door side is inserted through the hole 13d ′. The lower attachment portion 13b is attached to the door 3 by a bolt 23 that is screwed into a hole (not shown). The holes of the upper mounting portion 13a and the holes 13d and 13d 'of the lower mounting portion 13b are fool holes in order to absorb dimensional tolerances with the holes on the opposite door 3 side.

In addition, two holes (concave portions) 13e having a circular cross-sectional shape and extending in the same direction are formed on the lower end side of the lower mounting portion 13b.
Further, the lower end portion side of the hinge pin 17 protrudes from the body side hinge 15 and serves as a shaft connection portion 31 connected to a shaft of a check device 51 described later.

The hinge pin 17 of the present embodiment is fixed to the body side hinge 15 and is provided so as to be loosely fitted to the door side hinge 13.
Next, the check device 51 according to the present embodiment has a configuration disclosed in Patent Document 1, that is, a case in which a viscous fluid is enclosed, and a case that is rotatably provided. And a flap (vane) provided along the shaft in the case. When the shaft is rotated, a mechanism is provided that gives different resistance depending on the phase angle of the shaft.

  In the figure, a shaft 55 projects from the upper surface of a case (check body) 53. The upper end side of the shaft 55 is a hinge pin connection portion 57 that is connected to the shaft connection portion 31 of the hinge pin 17 of the hinge device 11.

  An upper mounting portion 53 a is provided at the upper portion of the case 53, and a lower mounting portion 53 b is provided at the lower portion of the case 53. The upper mounting portion 53a is disposed so as to be stacked on the lower mounting portion 13b of the door-side hinge 13, and is provided with a hole 53c (fool hole) facing the hole 13d of the lower mounting portion 13b of the door-side hinge 13. . Then, the upper mounting portion of the check device 51 is inserted by the bolt 23 inserted through the hole 53c of the upper mounting portion 53a of the check device 51 and the hole 13d of the lower mounting portion 13b of the hinge device 11 and screwed into the female screw hole on the door side. 53a, the lower attachment portion 13b of the hinge device 11 is attached to the door (see FIG. 4). The lower attachment portion 53b is provided with two holes 53d, and the lower attachment portion 53b is attached to the door 3 by a bolt 28 that passes through these holes and is screwed into a female screw hole (not shown) on the door side. .

  The surface of the case 53 facing the door 3 has a cylindrical shape that can simultaneously engage with the two holes 13e of the lower mounting portion 13b of the hinge device 11, as shown in FIG. These two projections (convex portions) 53e are formed.

  Then, the two projections 53e of the check device 51 are engaged with the two holes 13e of the hinge device 11, whereby the positioning of the case 53 with respect to the door side hinge 13 in the two-dimensional plane direction is performed. That is, the two holes 13e of the hinge device 11 and the two protrusions 53e of the check device 51 constitute first positioning means and second positioning means.

Next, the shaft connection part 31 of the hinge device 11 and the hinge pin connection part 57 of the check device 51 will be described.
The shaft connection portion 31 of the hinge device 11 is provided with a groove 33 that is formed on the end surface of the hinge pin 17 and reaches the peripheral surface of the hinge pin 17 and has a constant width.

  The tip end side of the shaft 55 of the check device 51 is bent in an L shape. A portion extending from the bent portion to the tip end surface of the shaft 55, that is, in a direction intersecting with the axial direction of the shaft 55 is a hinge pin connecting portion 57. Two parallel surfaces M and M ′ extending to the end of the shaft 55 are formed on the peripheral surface of the hinge pin connecting portion 57. Furthermore, as shown in FIG. 3 which is a view in the direction of arrow D in FIG. Has been.

Next, the operation of the door opening / closing mechanism having the above configuration will be described.
Since the hinge pin 17 is fixed to the body side hinge 15, when the door 3 is opened and closed, the rotation of the door 3 is transmitted to the shaft 55 of the check device 51 through the hinge pin 17. The check device 51 holds the door at a predetermined opening (for example, a half-open state or a full-open state) or an arbitrary opening.

According to such a configuration, the following effects can be obtained.
(1) Positioning means for positioning the case 53 of the check device 51 on the two-dimensional plane with respect to the door-side hinge 13 which is the hinge on the side on which the check device 51 is provided (in this embodiment, two holes of the hinge device 11) 13e and the first positioning means and the second positioning means formed by the two protrusions 53e of the check device 51), the axis of the hinge pin 17 of the hinge device 11 and the axis of the shaft 55 of the check device 51 are the same. A check device 55 can be provided for the hinge device 11 so as to be in a straight line.

At this time, when the check device 51 and the door side hinge 13 are fastened to the door 3 with the bolts 23, the check device 51 and the bolts 23 are not displaced.
(2) The two holes 13e of the hinge device 11 extend in the same direction, and the two protrusions 53e of the check device 51 are columnar shapes that can simultaneously engage with the two holes 13e of the lower mounting portion 13b of the hinge device 11. Therefore, the engaging / disengaging directions of the first positioning means and the second positioning means are the same. Therefore, the first positioning means and the second positioning means are engaged at the same time only by bringing the check device 51 close to the door-side hinge 13, and the assembly is simple.
(3) The direction of the two parallel surfaces M and M ′ of the hinge pin connection portion 57 of the check device 51 and the direction of the groove 33 of the shaft connection portion 31 of the hinge device 11 are related to the first positioning means and the second positioning means. When the check device 51 is brought close to the door-side hinge 13, the first positioning means and the second positioning means are engaged, and the hinge pin connection portion 57 of the check device 51 Connection with the shaft connecting portion 31 of the hinge device 11 is also made at the same time.
(4) Since the hinge pin connecting portion 57 of the check device 51 has a shape extending in a direction intersecting the axial direction of the shaft 55, it can transmit a larger torque than the serration fitting and has less play.
(5) Since the alignment between the check device 51 and the door-side hinge 13 and the alignment between the check device 51 and the body (in this embodiment) are performed separately, any alignment can be performed accurately.

The present invention is not limited to the above embodiment.
In the above embodiment, the check device 51 is provided on the door side, but it may be provided on the body side. In this case, the door-side hinge 13 and the check device 51 of the above embodiment are provided on the body side, and the body-side hinge 15 is provided on the door side.

  In the above-described embodiment, the first positioning means and the second positioning means are configured by the two holes 13e of the hinge device 11 and the two protrusions 53e of the check device 51. If it is a rectangle, the number of positioning means may be one.

  Furthermore, the holes (concave portions) 13e of the first positioning means and the second positioning means are provided on the hinge device 11 side, and the protrusions (convex portions) 53e are provided on the check device 51 side. The hole (concave portion) 13e of the positioning means may be provided on the check device 51 side, and the protrusion (convex portion) 53e may be provided on the hinge device 11 side, or only the hole (concave portion) 13e of the first positioning means may be provided on the check device 51. On the side, a protrusion (convex portion) 53e may be provided on the hinge device 11 side.

  Further, in the above embodiment, the tip end side of the shaft 55 of the check device 51 is bent in an L shape to form a hinge pin connection portion. However, the tip end side of the shaft 55 is formed in a T shape to connect the hinge pin. Alternatively, the hinge pin connecting portion may be formed by forming two surfaces parallel to the tip of the straight (prism-shaped) shaft.

It is a disassembled perspective view before the assembly | attachment of a hinge apparatus and a check apparatus. It is a C direction arrow directional view of FIG. It is a D direction arrow directional view of FIG. It is a disassembled perspective view after the assembly of the hinge device and the check device. It is a figure explaining a vehicle. FIG. 6 is a cross-sectional view taken along a cutting line AA in FIG. 5. It is a B direction arrow directional view of FIG.

Explanation of symbols

11 Hinge device 13 Door side hinge 51 Check device 53 Case (Check body)

Claims (3)

A hinge device comprising a door-side hinge provided on the door, a body-side hinge provided on the body, the door-side hinge, and a hinge pin inserted through the body-side hinge;
A check main body fixed to either the door side or the body side; a check device having a shaft connected to the hinge pin;
Have
In the door opening and closing mechanism configured to transmit the rotation of the door to the shaft via the hinge pin,
A door opening / closing mechanism comprising positioning means for positioning the check body on a two-dimensional plane with respect to a hinge to which the check body is fixed. The positioning means comprises a first positioning means and a second positioning means,
Each positioning means
A cross-sectional shape formed on one surface of the surface of the check body that faces the hinge on the side on which the check body is fixed and the surface of the hinge on the side on which the check body is fixed faces the check body. A circular recess,
The check body is formed on the other surface of the surface facing the check body of the hinge on the side to which the check body is fixed and the surface facing the hinge on the side on which the check body is fixed, The cross-sectional shape that can be engaged consists of a circular convex part,
The engagement direction of the first positioning means and the engagement direction of the second positioning means are the same,
A shaft connection portion connected to the shaft of the hinge pin is formed on an end surface of the hinge pin, reaches a peripheral surface of the hinge pin, and has a groove having a constant width,
The hinge pin connecting portion connected to the hinge pin of the shaft is formed with two parallel surfaces extending to the end of the shaft on the peripheral surface, and the distance between the two parallel surfaces is determined by the shaft connecting portion. The door opening / closing mechanism according to claim 1, wherein the door opening / closing mechanism is equal to or smaller than the width of the groove. The hinge pin connecting portion of the shaft of the check device is
The door opening / closing mechanism according to claim 2, wherein the door opening / closing mechanism has a shape extending in a direction intersecting with an axial direction of the shaft.

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