JP2013194759A - Hinge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve installation work efficiency, and to improve stability for supporting a shaft part, by enabling installation of a shaft member to a bearing member only by inserting the shaft part into the bearing part along its axial direction.SOLUTION: A shaft member 1 is constituted of a shaft part plate 4 having a shaft part surface 3, and a shaft part 5 integrally projected from the shaft part plate 4. A bearing member 10 is constituted of a bearing part plate 14 having a bearing part surface 13 contacting in a surface with the shaft part surface 3 of the shaft part plate 4 in installation, and a hole-like bearing part 15 formed on the bearing part plate 14 and wrapped and held by rotatably inserting the shaft part 5. The bearing part plate 14 is provided with an engaging part 20 for checking slipping-out of the shaft part 5 by engaging with an outer peripheral part 21 of the shaft part plate 4 in a required rotational range, and the outer peripheral part 21 of the shaft part plate 4 is provided with a cutout part 30 capable of inserting/extracting the shaft part 5 to/from the bearing part 15 by invalidating engagement of the engaging part 20.

Description

  The present invention relates to a hinge device used for, for example, an automobile hood or a retractable seat, and more particularly to a hinge device in which a shaft portion protruding from a shaft member is inserted into a bearing portion of a bearing member.

  In general, for example, as a hinge device used for a retractable seat of an automobile, a bearing member formed on one member and the other member is provided with one member fixed to the vehicle body side and the other member fixed to the seat side. It is known to insert a rotating shaft and attach the rotating shaft by caulking or the like. However, since the number of parts is increased by providing a separate rotating shaft, the rotating shaft is aligned when the rotating shaft is assembled, and the rotating shaft is attached by caulking or the like, which makes the work complicated and expensive. There was a problem of becoming.

  In order to solve this problem, a hinge device disclosed in, for example, Japanese Patent Laid-Open No. 9-202166 (Patent Document 1) has been proposed. As shown in FIG. 10, the hinge device Ha includes a shaft member 101 having a shaft portion 100 attached by caulking or the like, and a bearing portion 102 through which the shaft portion 100 of the shaft member 101 is rotatably inserted. And a bearing member 103 formed with the. A part of the bearing portion 102 of the bearing member 103 is notched so that the shaft portion 100 of the shaft member 101 can be inserted in a direction orthogonal to the axial direction, thereby forming a notch portion 104. In addition, a large diameter portion 105 for preventing the shaft portion 100 from coming off in the axial direction is formed at the tip of the shaft portion 100. As a result, the shaft portion 100 is provided on the shaft member 101 in advance, and the shaft portion 100 of the shaft member 101 is inserted through the notch 104 of the bearing portion 102 of the bearing member 103 at the time of assembly. As a result, the assembly work is simplified.

JP-A-9-202166

However, in the above-described conventional hinge device Ha, the shaft member 101 can be assembled to the bearing member 103 with one touch. However, since the bearing member 103 has the notch portion 104, the support of the shaft portion 100 is weak accordingly. There was a problem that it was inferior in support stability.
The present invention has been made in view of the above points. The shaft member can be assembled to the bearing member simply by inserting the shaft portion into the bearing portion along the axial direction thereof, thereby improving the assembling workability. Another object of the present invention is to provide a hinge device in which the stability of supporting the shaft portion is improved.

  In order to achieve such an object, a hinge device according to the present invention is a hinge device in which a shaft member is rotatably assembled with respect to a bearing member, and the shaft member is a shaft having a shaft surface. And a shaft portion integrally projecting from the shaft surface of the shaft plate, and the bearing member is in contact with the shaft surface of the shaft plate when assembled. A bearing part plate having a surface, and a hole-like bearing part formed by the bearing part plate from the bearing part surface and rotatably inserted into the shaft part. One of the part plate and the bearing part plate is inserted into the bearing part with the shaft part inserted into the bearing part. Engage within the required rotation range and the shaft moves in the axial direction An engagement portion is provided to prevent the shaft portion from coming off from the bearing portion, and the engagement of the engagement portion is made invalid on the other outer peripheral portion of either the shaft portion plate or the bearing portion plate. It is set as the structure which provided the notch part which moves to a direction and enables insertion / removal with respect to a bearing part.

  As a result, when the shaft member is assembled to the bearing member, the shaft surface of the shaft plate and the bearing surface of the bearing plate face each other, and the axis of the shaft portion of the shaft member matches the axis of the bearing portion of the bearing member. Thus, the shaft portion is opposed to the bearing portion, and the engaging portion is positioned at a position corresponding to the notch portion. In this state, the shaft portion is moved along the axial direction and inserted into the bearing portion. Then, if the shaft surface of the shaft plate and the bearing surface of the bearing plate are joined, the shaft plate and the bearing plate are rotated about the axis line, and the engaging portion is moved to the shaft plate or the bearing plate. Engage with the other outer periphery. In this case, since the shaft portion is provided integrally with the shaft member, the number of parts is reduced accordingly, and when assembling, a simple operation of simply inserting the shaft portion into the bearing portion is sufficient. Assembly workability can be improved.

  For example, when an automobile hood is attached as a member to be attached using the hinge device, either the shaft member or the bearing member is attached to the vehicle body, and the hood is attached to either one. The rotation range of the hood is defined within the required rotation range of the engaging portion. In this case, in a state where the shaft portion is supported by the bearing portion, the bearing portion is formed in a hole shape and encloses the shaft portion, so that the shaft portion is reliably supported and the support can be stabilized. . Further, in a state where the shaft portion is supported by the bearing portion, the shaft portion surface of the shaft portion plate and the bearing portion surface of the bearing portion plate are in surface contact with each other. This can be regulated by surface contact with the surface, and also in this respect, the shaft portion is reliably supported and the support can be stabilized. In addition, the engagement portion is prevented from coming off within the required rotation range of the engagement portion. However, since the outer peripheral portion of the plate is engaged with the engagement portion, the engagement is secure and the removal prevention is ensured. In this respect, too, the shaft portion can be supported stably.

  And as needed, it is set as the structure which integrally formed the said engaging part and the axial part plate or bearing part plate in which this engaging part is provided. As a result, since the engaging part is integrally formed, the number of parts can be reduced as much, and the mounting strength of the engaging part is also high. However, it is possible to stabilize the support of the shaft portion.

Further, if necessary, the engaging portion is provided with a lateral protrusion protruding from one of the shaft portion plate and the bearing portion plate toward the other and a tip of the lateral protrusion, It comprises a vertical projection facing the outer surface. Since the structure is simple, the engaging portion can be easily formed.
In this case, if necessary, the outer periphery of the other one of the shaft plate and the bearing plate, and at least the outer periphery in the rotation range in which the engaging portion engages, the corresponding shaft portion or bearing The structure is formed in an arc centered on the axis of the part. Since the outer peripheral part is an arc, the relationship between the engaging part and the outer peripheral part is constant no matter where the rotational position of the plate is, so that the engagement is firm and the retaining is reliably performed, In this respect as well, the support of the shaft portion can be stabilized.

  Furthermore, if necessary, the area of the shaft surface is formed larger than the cross-sectional area of the shaft, and the area of the bearing surface is formed larger than the cross-sectional area of the bearing. As a result, the surface contact area between the shaft surface and the bearing surface is larger than the cross-sectional area of the shaft portion, so that the inclination of the shaft portion can be more reliably regulated, and the shaft portion can be reliably supported. Can be stabilized.

  Furthermore, if necessary, the engaging portion stops against the other outer peripheral portion of the shaft portion plate or the bearing portion plate and rotates in a required rotation range relative to the bearing portion of the shaft portion. The stopper is provided to define the moving end. Since the engagement end is stopped by the stopper to define the end of rotation, the stop can be ensured. Further, since the engaging portion is used, the stopper mechanism can be simplified.

  If necessary, the shaft member and the bearing member are made of metal or resin, and are integrally formed by molding. Since it can be manufactured by molding, the manufacturing can be simplified compared to the case of manufacturing by metal bending or welding.

  According to the present invention, since the shaft portion is provided integrally with the shaft member, the number of parts is reduced accordingly, and when assembling, the shaft member is assembled to the bearing member. With a simple operation of moving the shaft portion along the axial direction and inserting it into the bearing portion with the engagement portion positioned at a position corresponding to the notch portion, facing the opening of the bearing portion. Well, the assembly workability can be improved accordingly. Further, in a state where the shaft portion is supported by the bearing portion, the bearing portion is formed in a hole shape and encloses the shaft portion, so that the shaft portion is reliably supported, and the support can be stabilized. In addition, the engagement portion is prevented from coming off within the required rotation range of the engagement portion. However, since the outer peripheral portion of the plate is engaged with the engagement portion, the engagement is secure and the removal prevention is ensured. In this respect, too, the shaft portion can be supported stably.

It is a perspective view which shows the hinge apparatus which concerns on embodiment of this invention. It is a disassembled perspective view which shows the hinge apparatus which concerns on embodiment of this invention. It is a front view which shows the hinge apparatus which concerns on embodiment of this invention. It is an AA line sectional view in Drawing 3 showing a hinge device concerning an embodiment of the invention. The intermediate product of the hinge apparatus which concerns on embodiment of this invention is shown, (a) is a perspective view, (b) is a perspective view which shows the state at the time of an assembly | attachment. The intermediate product of the hinge apparatus which concerns on embodiment of this invention is shown, (a) is a BB sectional drawing in Fig.5 (a), (b) is the state at the time of an assembly | attachment in FIG.5 (b). It is CC sectional view taken on the line. FIG. 7 is an enlarged cross-sectional view of a D part in FIG. 6A illustrating an intermediate product of the hinge device according to the embodiment of the present invention. It is a perspective view which shows an example to which the hinge apparatus which concerns on embodiment of this invention is applied. FIG. 5 is a cross-sectional view corresponding to FIG. 4 showing a modification of the hinge device according to the embodiment of the present invention. It is a disassembled perspective view which shows an example of the conventional hinge apparatus.

Hereinafter, a hinge device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIGS. 1 to 4, the basic configuration of the hinge device H according to the embodiment of the present invention is a shaft member 1 and a bearing member 10 assembled so as to be rotatable relative to the shaft member 1. It consists of and. As will be described later, the shaft member 1 and the bearing member 10 are each made of metal or resin, and are integrally formed by casting or injection molding. In the embodiment, it is formed of a metal casting. Any kind of metal such as cast iron or aluminum can be applied.

Specifically, the shaft member 1 includes a base plate 2 to which the member to be attached Wa is attached, a shaft portion plate 4 that is erected at a right angle from one side of the base plate 2 and has a shaft portion surface 3, and a shaft of the shaft portion plate 4. The shaft portion 5 is provided so as to project integrally from the portion surface 3.
On the other hand, the bearing member 10 is erected at a right angle from one side of the base plate 12 to which the mounted member Wb is attached, and the shaft surface 3 of the shaft plate 4 is attached when the shaft member 1 is assembled. A bearing part plate 14 having a bearing part surface 13 in surface contact, and a shaft part 5 formed in the bearing part plate 14 from the bearing part surface 13 is inserted along the axis P direction so as to be rotatably supported. A hole-shaped bearing portion 15 is provided.
Further, the area of the shaft surface 3 is formed larger than the cross-sectional area of the shaft 5, and the area of the bearing surface 13 is also formed larger than the cross-sectional area of the bearing 15.

  Further, in any one of the shaft plate 4 and the bearing plate 14 (the bearing plate 14 in the embodiment), the shaft 5 is inserted into the bearing 15 and the shaft 5 is in the direction of the axis P. An engagement portion 20 is provided for preventing the movement and removal from the bearing portion 15. The engaging portion 20 is a bearing portion surface 13 of the bearing portion plate 14 and protrudes from a base end portion on the base plate 12 side, and either one of the shaft portion plate 4 and the bearing portion plate 14 (the embodiment). Then, the outer peripheral portion 21 of the shaft portion plate 4) is engaged within a required rotation range (θ in FIG. 3) relative to the bearing portion 15 of the shaft portion 5. The engaging part 20 and the shaft part plate 4 or the bearing part plate 14 (the bearing part plate 14 in the embodiment) on which the engaging part 20 is provided are integrally formed.

  The engaging portion 20 includes a lateral protrusion 22 projecting from one of the shaft plate 4 and the bearing plate 14 (the bearing plate 14 in the embodiment) toward the other (the shaft plate 4 in the embodiment). The vertical protrusion 24 protrudes from the tip of the horizontal protrusion 22 and faces the outer surface 23 of the outer peripheral portion 21 of the other (shaft plate 4 in the embodiment). Since the configuration is simple, the engaging portion 20 can be easily formed. Further, the outer peripheral portion 21a of the other one of the shaft portion plate 4 and the bearing portion plate 14 (the shaft portion plate 4 in the embodiment), and at least the outer periphery 21a in the rotation range in which the engaging portion 20 is engaged, , The corresponding shaft portion 5 or the bearing portion 15 is formed in an arc centered on the axis O.

  Further, on the outer peripheral portion 21 of the other one of the shaft portion plate 4 and the bearing portion plate 14 (the shaft portion plate 4 in the embodiment), the engagement of the engagement portion 20 is made invalid and the shaft portion 5 has its axis P A cutout portion 30 is provided that moves in the direction and can be inserted into and removed from the bearing portion 15. The notch portion 30 is formed at one side end of the shaft plate 4, and becomes an outer peripheral portion 21 with which the engaging portion 20 engages from the notch portion 30 toward the other side end. . The starting end of the arc of the outer periphery 21a on the notch 30 side constitutes the starting end of a required rotation range (θ) relative to the bearing portion 15 of the shaft portion 5.

  Furthermore, the engaging portion 20 makes contact with the outer peripheral portion 21 of the other of the shaft portion plate 4 and the bearing portion plate 14 (the shaft portion plate 4 in the embodiment), and the shaft portion 5 is relative to the bearing portion 15. A stopper 31 is provided that defines the end of rotation of the required rotation range (θ). The stopper 31 is formed on the side of the base plate 2 on the side opposite to the notch 30, and is formed with an inclined surface on which the engaging portion 20 stops.

Next, a manufacturing method of the hinge device and an intermediate product of the hinge device used in the manufacturing method will be described. As shown in FIGS. 5 to 7, the hinge device H is formed of a metal casting as described above, and the shaft member 1 and the bearing member 10 are formed by a die casting machine or sand casting using a single mold. Mold. In forming the mold, first, an intermediate product T of the hinge device H in which the shaft member 1 and the bearing member 10 are connected by a runner 40 that forms a runner is obtained.
Specifically, as shown in FIG. 5A and FIG. 6A, the intermediate product T of the hinge device H faces the shaft surface 3 of the shaft plate 4 and the bearing surface 13 of the bearing plate. The axis P of the shaft part 5 of the shaft member 1 and the axis P of the bearing part 15 of the bearing member 10 are made to coincide with each other so that the shaft part 5 faces the bearing part 15, and the engaging part 20 becomes the notch part 30. Further, the shaft member 1 and the bearing member 10 are connected by a runner 40 that forms a runner.

  The runners 40 are provided on the left and right sides of the shaft member 1 and the bearing member 10 respectively. As shown in FIGS. When a force along the direction of the axis P is applied so as to be inserted into the bearing portion 15, it is broken so as to be detached from the shaft portion 5 and the bearing portion 15. Specifically, the runner 40 is connected to the main rod 41 along the axis P direction, and is connected to the main rod 41 at right angles from both ends of the main rod 41, and is connected to the shaft member 1 and the bearing member 10, respectively. It consists of a pair of followers 42. The connecting portion between the follower rod 42 and the shaft member 1 and the connecting portion between the follower rod 42 and the bearing member 10 are thick enough to be broken and damaged when the force along the axis P direction is applied. Is formed.

  Further, in the intermediate product T of the hinge device H, as shown in FIG. 7, the outer peripheral edge at the tip of the shaft portion 5 and the inner peripheral edge at the opening end of the bearing portion 15 are damaged and scattered when the above force is applied. Are connected by a thin-walled portion 45. Since the outer diameter of the shaft portion 5 is formed to be slightly smaller than the inner diameter of the bearing portion 15, when the force along the axis P direction is applied, the thin portion 45 is broken and scattered. 5 is inserted into the bearing portion 15.

  After obtaining the intermediate product T of the hinge device H, as shown in FIGS. 5B and 6B, for example, a hammer or the like is used on the intermediate product T of the hinge device H to form the shaft portion. A force along the direction of the axis P is applied so that 5 is inserted into the bearing portion 15. By applying this force, the runner 40 is broken and detached, and at the same time, the shaft portion 5 is inserted into the bearing portion 15 and the shaft member 1 and the bearing member 10 are assembled. In this case, the thin-walled portion 45 between the outer peripheral edge at the tip of the shaft portion 5 and the inner peripheral edge of the opening end of the bearing portion 15 is broken and scattered, and the shaft portion 5 is inserted into the bearing portion 15. Since the thin portion 45 is provided, the axis line P of the shaft portion 5 and the axis line P of the bearing portion 15 can be surely matched, and therefore, the insertion of the shaft portion 5 into the bearing portion 15 is reliably and easily performed. Done.

  For this reason, since the hinge device H is assembled to the intermediate product T of the hinge device H only by applying a force along the axis P direction so that the shaft portion 5 is inserted into the bearing portion 15, The shaft portion 5 and the bearing portion 15 do not need to be aligned, and can be assembled very easily, so that the production efficiency is improved.

  Thus, the assembled hinge apparatus H is used as a hinge of the hood of a motor vehicle, for example, as shown in FIG. 3 and 4, for example, the base plate 2 of the shaft member 1 is attached to the vehicle body (attached member Wa), and the hood (attached member Wb) is attached to the base plate 12 of the bearing member 10. Install. Within the required rotation range of the engaging portion 20 (θ in FIG. 3), the hood rotation range (α in FIG. 3) is defined.

  In this case, in a state where the shaft portion 5 is supported by the bearing portion 15, the bearing portion 15 is formed in a hole shape and encloses the shaft portion 5, so that the support of the shaft portion 5 is surely increased and the support is stabilized. Can be planned. Further, in a state where the shaft portion 5 is supported by the bearing portion 15, the shaft portion surface 3 of the shaft portion plate 4 and the bearing portion surface 13 of the bearing portion plate 14 are in surface contact with each other. In addition, this can be regulated by the surface contact between the shaft portion surface 3 and the bearing portion surface 13, and also in this respect, the shaft portion 5 is reliably supported and the support can be stabilized. Particularly, since the areas of the shaft surface 3 and the bearing surface 13 are larger than the cross-sectional area of the shaft 5 and the cross-sectional area of the bearing 15, the surface contact area between the shaft surface 3 and the bearing surface 13 is small. As a result, the inclination of the shaft portion 5 can be more reliably regulated, and the support of the shaft portion 5 can be reliably secured to stabilize the support. Further, the engagement portion 20 is prevented from coming off by the engagement portion 20 within a required rotation range. However, since the outer peripheral portion 21 of the plate is engaged with the engagement portion 20, the engagement is firmly prevented. In this respect, the support of the shaft portion 5 can be stabilized.

  Further, in this case, since the engaging portion 20 is integrally formed with the bearing portion plate 14, the mounting strength of the engaging portion 20 is high, and accordingly, the engagement is firmly performed and the retaining is surely performed. However, it is possible to stabilize the support of the shaft portion 5. Furthermore, since the outer periphery 21a of the outer peripheral portion 21 of the shaft plate 4 is formed in an arc, the relationship between the engaging portion 20 and the outer peripheral portion 21 is constant no matter where the rotational position of the plate is, As a result, the engagement is secured and the retaining is surely performed, and also in this respect, the support of the shaft portion 5 can be stabilized.

  In the opening and closing of the hood (attached member Wb), the rotation range (α in the figure) of the hood (attached member Wb) is defined within the required rotation range (θ in the figure) of the engaging portion 20. However, even if this is exceeded, the engaging portion 20 stops against the stopper 31 and the end of rotation is defined, so that the stop can be ensured. Further, since the engaging portion 20 is used, the stopper mechanism can be simplified.

In the above-described embodiment, the engaging portion 20 is provided on the bearing plate 14 side. However, the present invention is not limited to this, and the engaging portion 20 is provided on the shaft plate 4 side so as to be engaged with the bearing plate 14. However, it may be changed as appropriate. For example, as shown in FIG. 9, a structure in which the shaft portion 5 and the bearing portion 15 in FIG.
Moreover, in the said embodiment, although the shaft member 1 and the bearing member 10 were formed with the metal casting, it is not necessarily limited to this, You may shape | mold with resin with an injection molding machine, It changes suitably. It does not matter.
In the above embodiment, the example in which the hinge device H according to the present invention is used in an automobile hood has been described. However, the present invention is not limited to this example. Of course, it may be used for a lid or the like, and may be used not only for automobile parts but also for any attached member.

H Hinge device T Intermediate product Wa, Wb Mounted member 1 Shaft member 2 Base plate 3 Shaft portion surface 4 Shaft portion plate 5 Shaft portion 10 Bearing member 12 Base plate 13 Bearing portion surface 14 Bearing portion plate 15 Bearing portion P Axis axis O axis 20 Engagement part 21 Outer part 21a Outer part 22 Lateral protrusion 23 Outer side surface 24 Vertical protrusion 30 Notch part 31 Stopper 40 Runner 41 Main bar 42 Follower bar 45 Thin part

Claims (7)

In the hinge device in which the shaft member is assembled to be rotatable relative to the bearing member,
The shaft member includes a shaft plate having a shaft surface, and a shaft portion protruding integrally from the shaft surface of the shaft plate.
The bearing member has a bearing part surface having a bearing part surface that comes into surface contact with the shaft part surface of the shaft part plate during assembly, and the shaft part is formed in the axial direction in the bearing part plate. And a hole-like bearing portion that is inserted along and rotatably held.
Relative to the bearing portion of the shaft portion on the other outer peripheral portion of the shaft portion plate or the bearing portion plate in a state where the shaft portion is inserted into the bearing portion in one of the shaft portion plate and the bearing portion plate. An engagement portion that engages within a necessary rotation range and prevents the shaft portion from moving in the axial direction and coming out of the bearing portion;
On the other outer periphery of either the shaft plate or the bearing plate, a cut is made so that the engagement of the engaging portion is disabled and the shaft portion moves in the axial direction so that the shaft portion can be inserted into and removed from the bearing portion. A hinge device comprising a notch.   The hinge device according to claim 1, wherein the engaging portion and a shaft plate or a bearing portion plate provided with the engaging portion are integrally formed.   The engaging portion includes a lateral projection that protrudes from one of the shaft plate and the bearing plate toward the other, and a vertical projection that projects from the tip of the lateral projection and faces the outer surface of the other outer peripheral portion. The hinge device according to claim 2, comprising a protrusion.   The outer peripheral portion of either one of the shaft portion plate and the bearing portion plate, and at least the outer periphery in the rotation range in which the engaging portion engages is centered on the shaft center of the corresponding shaft portion or the bearing portion. The hinge device according to claim 3, wherein the hinge device is formed in a circular arc.   5. The hinge device according to claim 1, wherein an area of the shaft portion surface is formed larger than a cross-sectional area of the shaft portion, and an area of the bearing portion surface is formed larger than a cross-sectional area of the bearing portion. .   On the other outer peripheral part of the shaft part plate and the bearing part plate, there is provided a stopper for defining the end of rotation of the required rotational range relative to the bearing part of the shaft part by the engagement of the engaging part. The hinge device according to claim 1, wherein the hinge device is provided.   The hinge device according to any one of claims 1 to 6, wherein the shaft member and the bearing member are each made of metal or resin and are integrally formed by molding.

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