WO2006011391A1 - ヒンジ装置及びそれを用いた電子機器 - Google Patents
ヒンジ装置及びそれを用いた電子機器 Download PDFInfo
- Publication number
- WO2006011391A1 WO2006011391A1 PCT/JP2005/013244 JP2005013244W WO2006011391A1 WO 2006011391 A1 WO2006011391 A1 WO 2006011391A1 JP 2005013244 W JP2005013244 W JP 2005013244W WO 2006011391 A1 WO2006011391 A1 WO 2006011391A1
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- WO
- WIPO (PCT)
- Prior art keywords
- hinge device
- disk
- catch
- engaging
- cylindrical member
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 description 20
- 230000003068 static effect Effects 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
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- 239000010959 steel Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910000906 Bronze Inorganic materials 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000010974 bronze Substances 0.000 description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
-
- E05Y2999/00—
Definitions
- the present invention relates to a hinge device and a foldable electronic device using the hinge device.
- a foldable electronic device that has a sufficient area as an operation unit or a display unit when used and can be folded and folded when not in use is provided with a rotating unit (display unit) as a housing.
- a hinge device is used between the main unit (operation unit) and the rotating unit is connected to the main unit so as to be rotatable.
- An electronic device using such a hinge device employs a structure in which the rotating portion is fixed so that the rotating portion does not open and close unexpectedly when the rotating portion is deployed or closed.
- a rotating mechanism is constituted by a disk 82 and a catch 84 as shown in FIG.
- the disk 82 has an engaging recess 86 formed at a position symmetrical to the center of the guide path.
- the catch 84 is provided with engaging projections 88 at the upper and lower parts of the substrate part, and is urged by the coil panel 85.
- the rotation portion is closed or unfolded (open angle is 160 °). It is configured so that the intrusion of the engaging projection 88 stops. At this time, the engaging convex portion 88 that has been slid halfway along the engaging concave portion 86 is moved to the center portion of the engaging concave portion 86 by the urging force of the coil spring 85, thereby causing the rotating portion to be predetermined. Thus, a so-called suction action is generated. By this action of suction, the rotating body can be maintained in a stable fixed state without rattling even in a closed state (open angle 0 °) and a deployed state (open angle 180 °).
- the hinge device described in Patent Document 2 has a first starting point and a first starting point as first engaging recess pair 92 having different diameters arranged on the abutting end surface of the movable disk.
- the end engagement latching recess 93, the second start point as the second engagement recess pair 94 and the second end engagement engagement recess 95, which are arranged differently from each other, are formed, and the first and second end engagement recesses 95 are formed on the other side.
- First and second engaging projections are formed by two spheres, and these first and second spheres roll on the first arc concave guide path 96 and the second arc concave guide path 97 while changing in the radial direction.
- the hinge device described in Patent Document 3 sets the engagement recesses and the engagement protrusions to the required circumferential angle positions having different diameters from the rotation axis, thereby allowing the cover to be mounted on the device body. It addresses the need to set the opening angle to a large angle of 180 ° or more.
- Patent Document 1 JP 2003-120656 A
- Patent Document 2 Japanese Patent Laid-Open No. 11-50727
- Patent Document 3 Japanese Patent Laid-Open No. 10-317779
- the first and second spheres are always kept at a distance of approximately the same length from the rotational axis of the movable disk. Since both of these spheres move in the same direction in which the distance from the rotation axis expands or contracts, there is a problem that the rotational torque varies with the rotation angle. Further, in the hinge device described in Patent Document 3, the position of the large radius where the rotating disk is supported and the position of the same small radius are in the biased position with respect to the rotation axis, so There is a problem that the rotation cannot be performed smoothly. In addition, it is desired that the hinge device has sufficient rotational torque to improve operability.
- the present invention has been made in view of the above problems, and is a hinge device that can be smoothly rotated and that can be opened and held at 180 ° or more and an electronic device using the same.
- the purpose is to provide equipment.
- the present invention is slidable in the axial direction against the urging means 10 provided inside the cylindrical members 12, 112 as shown in FIG. And a disc-shaped catch 8 that is fitted non-rotatably, and is placed outside the tubular member and collides with the catch to rotate.
- a disc-like disc 4 that can be attached, and the cylindrical member, biasing means, catch, and shafts 14 and 114 that connect the disc to each other.
- the catch 8 faces the disk 4
- an engaging groove portion 46 is provided in the radial direction from the center, while an engaging convex portion is provided on a central angle narrower than 180 ° with respect to the engaging groove portion 46.
- the first guide path 24 is provided on the disk surface portion facing the catch 8 in a circular arc shape having a constant distance from the center of the disk surface portion and exceeding the center angle of 180 °.
- the second end is formed with an arc-shaped guide groove that is provided over the same central angle as the first guide path 24 and that the distance between the both ends is gradually increased.
- the guide path 26 is provided, one engagement recess 28 that engages with the engagement protrusion is provided at one end of the first guide path 24, and the engagement is provided at one end of the second guide path 26.
- Other engaging recesses 32 that engage with the sphere 6 held in the groove 46 are provided, respectively, and in the closed position of the rotating part, the engaging convex part and the sphere 6 and the While the engaged state with each engaging recess 28 is maintained and the rotating portion is held and fixed, the engaging convex portion is applied by the urging force of the urging means at an open position of 180 ° or more of the rotating portion. In addition, the rotating portion is held and fixed while the engaged state with the sphere is maintained.
- an engagement hole portion 48 is provided in the disc surface portion of the catch 8, and the sphere 6 is rotatably disposed in the engagement hole portion, and a part of the sphere is protruded. It is the structure which formed the said engagement convex part.
- the engaging convex portion of the catch is formed in a convex spherical shape having a predetermined curvature radius, while the one engaging concave portion 28 is larger than the curvature radius of the engaging convex portion.
- the other engaging recess 32 is formed in a concave spherical shape with a radius of curvature greater than the radius of curvature of the sphere.
- the other end of the first guide path 24 and the other end of the second guide path 26 each have a radius of curvature larger than the radius of curvature of the engaging convex portion.
- concave concave holding recesses 31 and 35 are provided.
- a friction plate 110 is interposed between the shaft body 114 and the bottom portion of the cylindrical member 112 to brake the relative rotation of the cylindrical member with respect to the shaft body by friction. This is the configuration.
- the hinge device includes a first friction plate 106 that rotates together with the cylindrical member 112 in the cylindrical member 112, and a pressure member that contacts the first friction plate and rotates together with the shaft body.
- the second friction plate 108 that moves is interposed, and the relative rotation of the cylindrical member with respect to the shaft body is braked by friction.
- the electronic device fixes the disc 4 on one side of the main body 18 having an operation unit or the rotating unit 16 having a display unit, and the cylindrical member on the other side.
- the hinge device according to any one of the above, to which 12 is fixed, is attached so that the rotating portion is closed while the engaging convex portion enters the engaging concave portion, and the rotating portion is closed. In this case, a torque is applied to the rotating portion in the closing direction by the urging means.
- the catch having the engagement groove portion in the radial direction and the engagement convex portion provided on the predetermined central angle, the first guide path, Since the guide path is provided with a disc that can rotate with respect to the catch, the rotating part can be held and fixed at the closed position and the open position of 180 ° or more than 180 °. In addition, a sufficient torque can be obtained when the rotating part is opened and closed, and a relatively constant opening and closing torque is obtained. Play.
- the engaging hole of the catch is provided with a sphere in a freely rotatable manner, and a part of the sphere is protruded as the engaging convex portion, Intrusion and escape can be performed smoothly, and an appropriate opening / closing torque can be obtained at the rotating part by the biasing means.
- the friction plate is interposed between the shaft body and the bottom of the cylindrical member, or the first friction plate and the second friction plate are provided in the cylindrical member. Since the configuration is such that the relative rotation of the cylindrical member with respect to the shaft body is braked by friction, Large static friction is obtained at the operation position, the rotating part is stably held and fixed, and sufficient opening and closing torque is obtained even during the opening and closing of the rotating part, and the rotating part is stopped and held at the desired opening and closing position. This has the effect of being excellent in operability.
- the holding unit can be stably held and fixed at the closed position and the open position of the open angle of 180 ° or 180 ° or more, and good operability can be obtained. Sufficient torque is obtained when the moving part is opened and closed, and a relatively constant opening and closing torque is obtained. Has an effect.
- FIG. 1 is an exploded perspective view of a hinge device according to a first embodiment of the present invention.
- FIG.2 The disk of the hinge device, (a) shows the inner surface, (b) shows the A—A section, (c) shows the B—B section, (d) shows the C—C section.
- FIG. 3 shows a catch of the hinge device, (a) showing an outer surface, (b) showing a cross section taken along the line DD, and (c) showing a cross section taken along the line EE.
- FIG. 4 (a) shows an axial section and (b) shows an FF line section of the hinge device according to the embodiment.
- (C) is a figure which shows the GG line
- FIG. 5 shows a perspective view of the hinge device according to the embodiment.
- FIG. 6 is a diagram showing the relationship between the catch and the disk according to the embodiment, where (a) is a closed position.
- FIG. 7 is a diagram showing an electronic device using the hinge device according to the embodiment.
- FIG. 8 is an exploded perspective view of a hinge device according to a second embodiment.
- FIG. 9 is a cross-sectional view of a hinge device according to a second embodiment.
- FIG. 10 is a view showing a cross section of a hinge device according to another embodiment.
- FIG. 11 is a partially exploded perspective view of a hinge device according to a conventional example.
- FIG. 12 is a view showing a movable disk of a hinge device according to a conventional example.
- FIG. 1 relates to the first embodiment, and is an electronic device such as a folding game machine or a mobile phone.
- 1 is an exploded perspective view of a hinge device 2 used in a device.
- the hinge device 2 includes a disk 4, two spheres 6, a catch 8, a coil panel 10, a cylindrical member 12, a shaft 14, and the like as constituent members.
- the cam mechanism is mainly constituted by the disk 4, the sphere 6 and the catch 8.
- the appearance of the hinge device 2 includes a disk 4, a cylindrical member 12, and a shaft 14.
- the disk 4 and the catch 8 are made of metal such as steel (SPCC) or stainless steel.
- the sphere 6 is a steel ball
- the coil panel 10 is steel
- the shaft 14 is made of aluminum killed steel (SWCH 12A), or metal such as steel.
- the cylindrical member 12 is made of a synthetic resin such as POM or ABS, or has a material force formed by sintering or MIM (metal injection molding). Further, the disk 4, the catch 8 and the shaft body 14 are subjected to surface treatment such as electroless Ni plating or Ni plating.
- the disk 4 is provided with a hexagonal hole 22 in the center of an oval base 20.
- An arc-shaped first guide path 24 having a constant distance (same radius) from the center is formed in a substantially left side portion of the surface portion 21 of the base portion 20.
- the distance from the center gradually increases from one end provided inside the first guide path 24, and the other end is one end of the first guide path 24.
- a second guide path 26 in the shape of an arc (spiral curve) in the state of being close to is provided.
- first guide path 24 At one end of the first guide path 24, there is an engaging recess 28 for locking the sphere 6 and near the other end is a first holding recess 30 where the sphere 6 is plunged and held.
- a second holding recess 31 is provided at the other end.
- the engagement recess 28 and the first holding recess 30 are spaced apart by a central angle narrower than 180 °, and the first holding recess 30 and the second holding recess 31 are spaced apart by several tens of degrees. .
- one end of the second guide path 26 is positioned so as to enter the inside of the other end of the first guide path 24. Is provided.
- the other end portion of the second guide path 26 is provided in the vicinity of the extension of one end portion of the first guide path 24, and the first holding portion in which the sphere 6 is plunged and held in the vicinity of the other end portion.
- the recess 34 is provided with a second holding recess 35 at the other end.
- the engagement recess 32 and the first holding recess 34 There is a center angle separation narrower than 180 °, and the first holding recess 34 and the second holding recess 35 are separated by a few tens of degrees.
- a guide groove is formed in the second guide path 26, and a cross section perpendicular to the groove direction of the guide groove is an arc shape, and the radius of the arc is slightly larger than the radius of the sphere 6. Yes.
- the first guide path 24 is formed flush with the surface portion 21.
- the engaging recess 28 is a concave spherical surface having a radius of curvature larger than the radius of curvature of the sphere 6, and is a recess having a depth about half the radius of curvature of the sphere 6. Further, a smooth convex curved surface is formed between the engaging recess 28 and the first guide path 24.
- the engaging recess 32 is a concave spherical surface having a radius of curvature similar to the radius of curvature of the sphere 6, and is a recess having a depth about half the radius of curvature of the sphere 6. Further, a space between the engagement recess 32 and the second guide path 26 is formed in a convex curved surface having a slightly larger curvature radius than the curvature radius of the engagement recess 32.
- the first holding recess 30 and the second holding recess 31 are concave spherical surfaces having a slightly larger radius of curvature than the radius of curvature of the sphere 6, and are convex between each holding recess and each guide path.
- the first holding recess 34 and the second holding recess 35 have substantially the same shape.
- the catch 8 has a substrate portion 38 having a shape in which fitting portions 40, 41 are formed at the upper and lower portions of the disc, and a circular shape is formed at the center of the substrate portion 38.
- a hole 42 is provided.
- the fitting portions 40 and 41 are formed with fitting protrusions 44 and 45 that protrude inward in the axial direction from the substrate portion 38, respectively.
- a linear engagement groove 46 is formed in the outward surface portion of the substrate portion 38 from the hole portion 42 to a portion on the right side of the fitting portion 40.
- the cross-sectional shape perpendicular to the groove direction of the engaging groove portion 46 is an arc shape (a part of a circle), and the half diameter is formed larger than the radius of the sphere 6. Further, the depth of the groove of the engaging groove portion 46 is constant, and the corner of the outer end portion is formed with a concave spherical roundness.
- the catch 8 is formed with an engagement hole 48 at a position on the right side of the fitting part 41 on the center line having an angle narrower than 180 ° with respect to the engagement groove 46.
- the engagement hole 48 is a cylindrical hole whose opening is circular and gently inclined inward (about 5 °) toward the bottom.
- the bottom surface of the engagement hole 48 is flat, and a lubricant such as grease is added to it.
- the sphere 6 is rotatably arranged with a part thereof protruding.
- a convex portion (for example, a convex spherical surface portion) may be formed at the position of the engagement hole 48 of the catch 8. At this time, a convex portion may be formed by embedding and arranging a part of the sphere 6 in a fixed state on the surface portion of the catch 8.
- the coil panel 10 is a compression spring and biases the catch 8.
- the cylindrical member 12 is a cylindrical container in which a bottom 51 having a through hole 50 provided in the center is formed on one end and an open port is formed on the other end.
- fitting recesses 54 and 55 are formed that are cut in a shape parallel to the axial direction.
- fitting protrusions 56 and 57 are formed in the axial direction on the outer left and right parts of the cylindrical member 12, respectively.
- the shaft body 14 includes a disk-shaped head portion 60 and a shaft portion 62.
- the shaft portion 62 is formed with a large-diameter shaft portion 64, a medium-diameter shaft portion 65, and a small-diameter shaft portion 66 having a circular cross section in order of the positional force near the head 60, and the tip portion has a hexagonal corner.
- a shaft portion 67 is formed.
- the coil spring 10 When assembling the hinge device 2, as shown in FIG. 4, the coil spring 10 is housed in the tubular member 12, and the other end of the coil panel 10 is in contact with the catch 8.
- the fitting portions 40 and 41 (fitting protrusions 44 and 45) of the catch 8 are fitted into the fitting concave portions 54 and 55 of the cylindrical member 12.
- the fitting protrusions 44 and 45 are formed so as to protrude from the board portion 38, the fitting protrusions 44 and 45 are fitted into the fitting recesses 54 without receiving the urging force of the coil panel 10. Can be assembled easily.
- the fitting recesses 54 and 55 are cut out at a constant width, and the fitting portions 40 and 41 of the catch 8 can move in the fitting recesses 54 and 55 in the axial direction.
- the shaft portion 62 of the shaft body 14 is inserted from the through hole 50 of the bottom portion 51 of the cylindrical member 12, and the coil panel 10 and the catch 8 are passed through. Two pieces between the catch 8 and the disk 4 are inserted. Then, the square shaft 67 is passed through the square hole 22 of the disk 4 with the spherical body 6 interposed therebetween. At this time, one sphere 6 is disposed in the engagement hole 48 of the catch 8 and the other sphere 6 is disposed in the engagement groove 46, and each sphere 6 is connected to the first holding recess 30 of the first guide path 24. Align with the first holding recess 34 of the second guide path 26 by holding and engaging.
- the tip end portion of the angular shaft portion 67 of the shaft body 14 protruding from the disc 4 is caulked to fix the disc 4, and the hinge device 2 is assembled.
- the appearance of the hinge device 2 is formed by an oval disk 4 and a cylindrical member 12, and this disk 4 is connected to one housing (for example, a rotating part 16) of an electronic device.
- the fitting protrusions 56 and 57 of the cylindrical member 12 are fitted and fixed to the other housing (for example, the main body portion 18).
- the square hole 22 of the disk 4 is fitted into the square shaft portion 67 of the shaft body 14, and the disk 4 rotates together with the shaft body 14.
- the through hole 50 of the cylindrical member 12 is passed through the large diameter shaft portion 64 of the shaft body 14
- the coil panel 10 is passed through the medium diameter shaft portion 65
- the hole portion 42 of the catch 8 is passed through the small diameter shaft portion 66.
- the cylindrical member 12, the coil panel 10, and the catch 8 are free with respect to the rotation of the shaft body 14. Further, the catch 8 is fitted to the cylindrical member 12, and the catch 8 and the cylindrical member 12 rotate integrally.
- the catch 8 is always urged in the direction of the disk 4 by the coil panel 10, and the engagement hole of the catch 8 is rotated as the disk 4 rotates.
- the spherical body 6 in the portion 48 forms a cam mechanism that repeatedly enters and exits the engaging recess 28 of the disk 4, the first holding recess 30, and the second holding recess 31, and the engaging groove 46 of the catch 8
- the inner sphere 6 forms a cam mechanism that reciprocates in the engaging groove 46 and repeats entering and exiting the engaging recess 32, the first holding recess 34, and the second holding recess 35 of the disk 4. . Therefore, the lever device of the lever lever is configured such that the disk 4 rotates with respect to the tubular member 12 via the cam mechanism.
- This hinge device 2 has an opening angle of the rotating part 16 of the electronic device of 0 ° (closed position), an opening angle smaller than 180 ° (first operation position), and an opening angle of 180 ° (secondary position).
- the operation position is held and fixed at each position.
- FIG. 6 shows the relationship between the sphere 6 held by the catch 8 and the disk 4 at each position, where (a) is the closing position of the hinge device, (b) is the first operating position, (C) shows the state at each position of the second operation position.
- the hinge device 2 has a configuration in which the first guide path 24 and the second guide path 26 of the disk 4 are formed continuously, so that the start end (open angle 0) of the first guide path 24 is formed.
- the engagement recess 28 that becomes °) and the engagement recess 32 that becomes the start end of the second guide path 26 are provided at positions separated by a predetermined center angle (an angle greater than 180 °).
- the engagement formed on the first guide path 24 The central angle formed by the concave portion 28 and the first holding concave portion 30 is narrower than 180 °, and the central angle formed by the first holding concave portion 30 and the second holding concave portion 31 is an angle of several tens of degrees.
- the angle narrower than 180 ° is a slight angle margin to obtain the suction effect described later.
- the radius of the first guide path 24 is constant, the sphere 6 that moves there is held in the engagement hole 48 that is the fixed position of the catch 8.
- the radius of the first guide path 24 can be formed with a large radius over the disk surface of the disk 4, and a constant rotational torque can be obtained as a hinge. And high rotational torque can be obtained.
- the central angle formed by the engagement recess 32 formed on the second guide path 26 and the first holding recess 34 is also set to an angle narrower than 180 °.
- the angle formed by the holding recess 35 is about several tens of degrees.
- the second guide path 26 has a spiral shape and the distance from the center differs depending on the location, the sphere 6 held in the engagement groove portion 46 of the catch 8 is the guide groove of the second guide path 26. And reciprocatingly move in the engaging groove portion 46 according to the movement of the second guide path 26.
- the closing of the rotating portion 16 is completed while each of the spheres 6 enters the engaging recesses 28 and 32 and is directed toward the center of the concave spherical surface. Configure the sphere 6 to stop entering. At this time, the sphere 6 that has slid halfway along the engagement recesses 28 and 32 is moved to the center of the engagement recess 32 by the urging force of the coil panel 10 (suction action), and thus rotates. Since the torque in the closing direction is applied to the part 16, the closed state is maintained without the rotating part 16 rattling.
- the foldable electronic device 15 includes a rotating portion 16 provided with a display screen 17 and the like, and a main body portion 18 provided with operation keys 19 and the like.
- the hinge device 2 When attaching the hinge device 2 to the electronic device, insert the hinge device 2 from the outer side of the electronic device with the disc 4 first, and attach the hinge hole 72 provided in the inner rotating portion 16.
- the disk 4 of the hinge device 2 is fitted and fixed, and the fitting protrusions 56 and 57 of the cylindrical member 12 are fitted and fixed to the cylindrical part 70 provided in the main body part 18.
- the hinge device 2 is attached to the left and right connecting parts of the main body 18 and the rotating part 16 of the electronic device.
- the hinge device 2 is the direction of rotation Therefore, when mounting the left and right hinge devices of an electronic device in a symmetrical configuration, these hinge devices must be formed in a symmetrical structure (symmetric disk and catch).
- the cam mechanism is activated when the rotating unit 16 is opened by hand, and the disk 4 rotates together with the rotating unit 16.
- both spheres 6 held by the catch 8 come out of the locking force of the engaging recesses 28 and 32 of the disk 4 and slide along the guide paths 24 and 26 of the disk 4.
- a predetermined torque is applied to the rotating portion 16, and the rotating portion is opened against this.
- both spheres 6 enter the first holding recesses 30 and 34, respectively, and the rotating part is rotated at this position by the biasing force of the coil panel 10. 16 is held and fixed.
- the operator can operate the electronic device at this position, and can operate the keys provided on the main body 18.
- the rotating part 16 When the rotating part 16 is further opened, it reaches the second operating position with an opening angle of 180 ° (the rotating part 16 and the main body part 18 are in a parallel state). The rotating part 16 is held and fixed at this position. The operator can operate the electronic device even in this position.
- the rotating portion can be held and fixed at the open position of the open angle of 180 ° or 180 ° or more, and the rotating portion can be opened and closed. Sufficient torque can be obtained at the same time, and a relatively constant opening / closing torque can be obtained. At the same time, the suction action gives a feeling of merino and resilience to the opening and closing of the rotating part, and the operability of the electronic equipment is also excellent. .
- FIG. 8 is an exploded perspective view of the hinge device 102 according to the second embodiment.
- the hinge device 102 is also used in an electronic device such as a foldable game machine or a mobile phone in the same manner as the hinge device 2.
- the hinge device 102 can be configured to use only one piece of the folding electronic device 15 by increasing the frictional force (dynamic friction and static friction) of the relative rotating part. A high switching torque and a static torque that hinders movement from the operating position are obtained. Of course, there is nothing wrong with using two hinge devices 102 to obtain higher opening and closing torque.
- the basic form, members, and materials of the cam mechanism and the like of the hinge device 102 are the same as those of the hinge device 2 described above. Omitted.
- the hinge device 102 includes a disk 4, two spheres 6, a catch 8, a coil spring 10, a first friction plate 106, a second friction plate 108, a cylindrical member 112,
- the friction plate 110, the shaft body 114, and the like are constituent members.
- the cam mechanism is mainly composed of the disk 4, the sphere 6 and the catch 8.
- the external shape of the hinge device 102 includes a disk 4, a cylindrical member 112, and a shaft body 114.
- the first friction plate 106 and the second friction plate 108 are made of a metal such as phosphor bronze or steel (SPCC, SUS), a porous material such as a sintered material, a synthetic resin (carbon, glass fiber, etc.) ).
- a metal such as phosphor bronze or steel (SPCC, SUS)
- a porous material such as a sintered material, a synthetic resin (carbon, glass fiber, etc.)
- Phosphor bronze is excellent as a friction plate because of its excellent wear resistance, viscosity, and mechanical strength.
- the cylindrical member 112 is made of a synthetic resin such as POM or ABS, or a material formed by sintering or MIM (metal injection molding).
- the friction plate 110 includes a cork sheet having a high frictional resistance, a porous material such as hard rubber and a sintered material, a metal such as a synthetic resin and phosphor bronze.
- the shaft body 114 is also made of aluminum killed steel (S WCH12A) or metal power such as steel.
- the disk 4, the sphere 6, the catch 8, and the coil spring 10 are as described in the above embodiment.
- the first friction plate 106 includes a disk-shaped substrate portion 122, fitting portions 120 and 121 formed at the upper and lower portions of the substrate portion, and a circular hole portion 124 provided at the center of the substrate portion.
- the second friction plate 108 includes a disk-shaped base portion and a square-shaped square hole 126 formed in the center of the substrate portion. The first friction plate 106 and the second friction plate 108 are in contact with each other and rotate relative to each other with a predetermined friction force.
- the friction plate 110 has a disc shape and is provided with a circular hole 127 in the center.
- the cylindrical member 112 is a cylindrical container in which a bottom 51 having a through hole 50 is formed in the center on one end side of the cylindrical portion 128 and an open port 130 is formed on the other end. .
- Fitting recesses 54 and 55 are formed in the upper and lower portions of the opening 130 so as to be parallel to the axial direction, and the inner surface of the cylindrical portion 128 is recessed in a groove shape toward the bottom 51.
- the fitting groove portions 134 and 135 are formed.
- fitting protrusions 56 and 57 are formed in the axial direction on the left and right outer portions of the cylindrical portion 128, respectively.
- the shaft body 114 includes a disk-shaped head 60 and a shaft 62.
- the position force close to the head 60 is also in order, the first shaft portion 136 having a circular cross section, the first square shaft portion 137 having a square cross section, and the second shaft having a circular cross section.
- a second angular shaft portion 139 having a hexagonal cross section is formed in the portion 138 and the tip portion, and a step portion is provided at the boundary between these shaft portions, and the diameter of the shaft portion on the tip side is made thinner. ing.
- the cross section of the first angular shaft portion 137 has a shape in which a square corner portion is rounded.
- the second friction plate 108, the first friction plate 106, and the coil panel 10 are housed in a cylindrical member 112.
- the fitting portions 120 and 121 of the first friction plate 106 are inserted into the fitting groove portions 134 and 135 of the cylindrical member 112 and are fitted therein.
- a friction mechanism comprising a pair of the first friction plate 106 and the second friction plate 108 is adopted, but two or more sets of friction mechanisms are provided to provide high friction. It is good also as strengthening and strengthening braking.
- the coil panel 10 has one end portion in contact with the first friction plate 106 and the other end portion in contact with the catch 8, and the fitting portions 40 and 41 of the catch 8 are cylindrical.
- the member 112 is fitted into the fitting recesses 54 and 55.
- the friction plate 110 is passed through the shaft body 114, the shaft portion 62 of the shaft body 114 is inserted from the through hole 50 in the bottom portion 51 of the cylindrical member 112, and the coil panel 10 and the catch 8 are further inserted.
- two spheres 6 are interposed between the catch 8 and the disk 4 and passed through the square hole 22 of the disk 4.
- the tip of the second angular shaft portion 139 of the shaft 14 projecting from the disc 4 is caulked to fix the disc 4, and the hinge device 102 is assembled with the coil panel 10 maintaining a predetermined urging force. .
- the friction plate 110 is interposed between the back surface portion 140 of the head portion 60 of the shaft body 114 and the bottom portion 51 of the cylindrical member 112 in a close state. Further, the first shaft portion 136 of the shaft body 114 is rotatably inserted into the through hole 50 of the cylindrical member 112, and the first angular shaft portion 137 is inserted into the square hole 126 of the second friction plate 108. While being inserted, the first friction plate 106 is rotatably inserted. Further, the second shaft portion 138 of the shaft body 114 is rotatably inserted into the hole portion 42 of the catch 8, and the second angular shaft portion 139 is fitted into the square hole 22 of the disk 4.
- the shaft body 114, the second friction plate 108, and the disc 4 are integrated together to form a first rotating body, and the cylindrical member 112, the first friction plate 106, and the catch 8 are
- the second rotating body is formed as a single body, and the first rotating body is rotatable relative to the second rotating body.
- the first friction plate 106 and the second friction plate 108 are pressed against each other to form a braking mechanism by friction, thereby causing a predetermined friction force (dynamic friction and static friction). Relative rotation is performed, and a predetermined rotation torque (friction torque) is generated between the first friction plate 106 and the second friction plate 108.
- the second friction plate 108 and the inner surface portion of the bottom 51 of the cylindrical member 112 are pressed against each other and relatively rotated with a predetermined frictional force.
- the friction plate 110 is interposed between the shaft body 114 and the cylindrical member 112 in a free state, and a predetermined rotation torque (friction torque) is provided between the shaft body 114 and the cylindrical member 112. Is generated.
- a friction mechanism or a friction comprising the first friction plate 106 and the second friction plate 108 is used. Only one of the friction mechanisms including the friction plate 110 may be employed.
- the hinge device 102 is formed by a disc 4 having an oval appearance and a cylindrical member 112, and the disc 4 is fitted into one housing (for example, the rotating portion 16) of the electronic device 15 shown in FIG.
- the fitting protrusions 56 and 57 of the cylindrical member 112 are fitted and fixed to the other casing (for example, the main body 18).
- a high frictional force (dynamic friction and static friction) is generated in the rotating body of the hinge device 102, and sufficient rotating torque (friction torque) is obtained.
- the hinge device 102 is attached to one of the main body part of the electronic device and the left and right connecting parts of the rotating part, and a freely rotatable member having a bearing force is attached to the other.
- the basic opening / closing operation of the foldable electronic device 15 to which the hinge device 102 is attached is the same as that to which the hinge device 2 is attached.
- the cam mechanism consisting of 4 and catch 8 operates, and the disk 4 rotates together with the rotating part 16.
- both spheres 6 held by the catch 8 also come out of the locking force of the engaging recesses 28 and 32 of the disk 4 and slide along the guide paths 24 and 26 of the disk 4.
- a predetermined torque is applied to the rotating part 16, and the rotating part is opened against this.
- both spheres 6 enter the first holding recesses 30 and 34, respectively, and the rotating part is rotated at this position by the urging force of the coil panel 10. 16 is held and fixed. If necessary, the operator can operate the electronic device at this position and can operate the keys provided on the main body 18.
- the rotating part 16 is further opened, it reaches the second operating position with an opening angle of 180 ° (the rotating part 16 and the main body part 18 are in parallel), and both the spheres 6 are in the second holding recesses 31, respectively. It enters into 35 and the rotating part 16 is held and fixed at this position. The operator can operate the electronic device even in this position.
- the electronic device 15 to which the hinge device 102 is attached is operated by the friction mechanism including the first friction plate 106 and the second friction plate 108 and the friction mechanism including the friction plate 110.
- Large static friction is obtained at the first and second operation positions, and the rotating portion 16 is stably held and fixed.
- sufficient opening / closing torque can be obtained even during the opening / closing of the rotating part 16, and the rotating part 16 is stopped at the desired opening / closing position.
- the electronic device can be operated at this position. When closing the rotating unit 16, the rotating unit 16 is closed against the rotating torque applied to the rotating unit 16 in the same manner as the opening operation.
- the rotating portion can be securely held and fixed at the operation position such as an open angle of 180 °, and the rotating portion can be opened and closed.
- high rotation torque can be obtained, and the rotation part can be held and fixed at any position during opening and closing, so that the operation at the free operation position can be performed accurately.
- a sharp feeling is given to opening and closing, and it is excellent in operability and functionality.
- FIG. 10 shows a cross section of a hinge device 152 according to another embodiment.
- the hinge device 152 is also used in an electronic device such as a folding game machine or a mobile phone, like the hinge device 2.
- This hinge device 152 increases the frictional force (dynamic friction and static friction) between the shaft body and the coil panel so that the opening / closing torque of the rotating part and the static torque held at the operation position can be obtained in the electronic device. It is a thing.
- this hinge device 152 can function sufficiently even if only one device is mounted on an electronic device.
- the basic form, members, and materials of the hinge device 182 such as a cam mechanism are the same as those of the hinge devices 2 and 102, and the members common to both are denoted by the same reference numerals and detailed description thereof will be given here. Is omitted.
- the hinge device 152 includes the disk 4, the two spheres 6, the catch 8, the coil panel 160, the cylindrical member 12, the friction plate 110, the shaft body 14, and the like as constituent members.
- the cam mechanism is mainly composed of the disk 4, the sphere 6 and the catch 8.
- the coil panel 160 has a spiral panel and a locking projection 162 in which one end portion of the panel protrudes in the compression direction.
- the shortest inner diameter of the coil panel 160 is formed to be approximately the same as the outer diameter of the medium shaft 65 of the shaft body 14, and the coil panel 160 is fitted to the medium shaft 65 with a predetermined pressing force. Include. As a result, the coil panel 160 is brought into pressure contact with the medium diameter shaft portion 65.
- the cylindrical member 12 is provided with a locking hole 164 in the axial direction inside the bottom 51.
- the hinge device 152 When the hinge device 152 is assembled, when the coil panel 160 is housed in the cylindrical member 12, the locking projection 162 at one end of the coil panel 160 is inserted into the locking hole 164 of the cylindrical member 12. Entry lock. In the coil panel 160, the fitting portion of the catch 8 is fitted into the fitting recesses 54 and 55 of the tubular member 12 with the other end being in contact with the catch 8.
- the friction plate 110 is fitted to the shaft body 14, the shaft portion 62 of the shaft body 14 is inserted from the through hole 50 of the bottom 51 of the cylindrical member 12, and the coil panel 160 and the catch 8 are passed through. Then, two spheres 6 are interposed between the catch 8 and the disk 4 and passed through the square hole of the disk 4. Then, the front end portion of the shaft body 14 is pressed to fix the disk 4, and the hinge device 152 is assembled with the coil panel 160 maintaining a predetermined biasing force.
- the friction plate 110 is interposed between the back surface portion 140 of the head portion 60 of the shaft body 14 and the bottom portion 51 of the tubular member 12 in a close contact state.
- a coil panel 160 is in close contact with the medium-diameter shaft portion 65 of the shaft body 14, and the coil panel 160 is disposed in a state where a part of the shaft body 14 is tightened.
- the coil panel 160 rotates relative to the shaft body 14 together with the cylindrical member 12, and at this time, frictional forces (dynamic friction and static friction) are generated between the shaft body 14 and the coil panel 160. Due to this frictional force, a rotating torque (friction torque) is generated in the hinge device 152 as a braking action.
- the friction plate 110 is interposed between the shaft body 14 and the cylindrical member 12 in a free state, and generates a predetermined rotational torque (friction torque) between the shaft body 14 and the cylindrical member 12.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006529223A JP4836792B2 (ja) | 2004-07-30 | 2005-07-19 | ヒンジ装置及びそれを用いた電子機器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-223949 | 2004-07-30 | ||
JP2004223949 | 2004-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006011391A1 true WO2006011391A1 (ja) | 2006-02-02 |
Family
ID=35786141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013244 WO2006011391A1 (ja) | 2004-07-30 | 2005-07-19 | ヒンジ装置及びそれを用いた電子機器 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4836792B2 (ja) |
CN (1) | CN100465466C (ja) |
TW (1) | TWI267588B (ja) |
WO (1) | WO2006011391A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007046731A (ja) * | 2005-08-11 | 2007-02-22 | Sugatsune Ind Co Ltd | ヒンジ装置 |
JP2008128395A (ja) * | 2006-11-22 | 2008-06-05 | Matsushita Electric Ind Co Ltd | ダンパー装置 |
EP2063133A2 (en) | 2007-11-26 | 2009-05-27 | Itt Manufacturing Enterprises, Inc. | Universal Insert |
CN101725625B (zh) * | 2008-10-24 | 2013-05-08 | 鸿富锦精密工业(深圳)有限公司 | 铰链结构 |
JP2014009775A (ja) * | 2012-06-29 | 2014-01-20 | Staf Corp | 折り畳み式筐体のヒンジ装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10317779A (ja) * | 1997-05-14 | 1998-12-02 | Sugatsune Ind Co Ltd | 折り畳み式機器のカバーを広角度開閉保持可能としたヒンジ装置 |
JPH1150727A (ja) * | 1997-07-31 | 1999-02-23 | Sugatsune Ind Co Ltd | 折り畳み式機器のカバーを広角度開閉保持可能としたヒンジ装置 |
JP2002227825A (ja) * | 2001-01-29 | 2002-08-14 | Ohashi Technica Inc | 携帯用機器のヒンジ装置 |
JP2003120656A (ja) * | 2001-10-19 | 2003-04-23 | Ohashi Technica Inc | ヒンジ装置及びそれを用いた携帯電話機 |
-
2005
- 2005-07-19 CN CNB2005800203170A patent/CN100465466C/zh not_active Expired - Fee Related
- 2005-07-19 JP JP2006529223A patent/JP4836792B2/ja active Active
- 2005-07-19 WO PCT/JP2005/013244 patent/WO2006011391A1/ja active Application Filing
- 2005-07-22 TW TW094124836A patent/TWI267588B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10317779A (ja) * | 1997-05-14 | 1998-12-02 | Sugatsune Ind Co Ltd | 折り畳み式機器のカバーを広角度開閉保持可能としたヒンジ装置 |
JPH1150727A (ja) * | 1997-07-31 | 1999-02-23 | Sugatsune Ind Co Ltd | 折り畳み式機器のカバーを広角度開閉保持可能としたヒンジ装置 |
JP2002227825A (ja) * | 2001-01-29 | 2002-08-14 | Ohashi Technica Inc | 携帯用機器のヒンジ装置 |
JP2003120656A (ja) * | 2001-10-19 | 2003-04-23 | Ohashi Technica Inc | ヒンジ装置及びそれを用いた携帯電話機 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007046731A (ja) * | 2005-08-11 | 2007-02-22 | Sugatsune Ind Co Ltd | ヒンジ装置 |
JP2008128395A (ja) * | 2006-11-22 | 2008-06-05 | Matsushita Electric Ind Co Ltd | ダンパー装置 |
EP2063133A2 (en) | 2007-11-26 | 2009-05-27 | Itt Manufacturing Enterprises, Inc. | Universal Insert |
EP2063133A3 (en) * | 2007-11-26 | 2010-12-22 | ITT Manufacturing Enterprises, Inc. | Universal Insert |
CN101725625B (zh) * | 2008-10-24 | 2013-05-08 | 鸿富锦精密工业(深圳)有限公司 | 铰链结构 |
JP2014009775A (ja) * | 2012-06-29 | 2014-01-20 | Staf Corp | 折り畳み式筐体のヒンジ装置 |
Also Published As
Publication number | Publication date |
---|---|
TW200607936A (en) | 2006-03-01 |
JP4836792B2 (ja) | 2011-12-14 |
JPWO2006011391A1 (ja) | 2008-05-01 |
CN1969133A (zh) | 2007-05-23 |
TWI267588B (en) | 2006-12-01 |
CN100465466C (zh) | 2009-03-04 |
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