JP3774409B2 - HINGE DEVICE AND ELECTRONIC DEVICE USING HINGE DEVICE - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hinge device and an electronic apparatus using the hinge device.
[0002]
[Prior art and problems to be solved by the invention]
2. Description of the Related Art Conventionally, in a folding type electronic device, for example, an electronic device composed of a main body portion such as a notebook computer or a portable phone and a display portion, the main body portion and the display portion are pivotally attached so as to be freely opened and closed. Various hinge devices have been proposed.
[0003]
The present applicant has further researched and developed this hinge device, and has developed an innovative hinge device with extremely high commercial value and an electronic device using the hinge device.
[0004]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0005]
A hinge device that pivotally mounts a first member 1 and a second member 2 so that the first member 1 and the second member 2 can be freely opened and closed, and a shaft portion 3 is provided in a non-rotating state with respect to either the first member 1 or the second member 2. A ring-shaped member that is provided with a bearing portion 4 for bearing the shaft portion 3 in a non-rotating state with respect to the other, and that can be reduced in diameter by being partially cut out at four locations on the inner peripheral surface of the bearing portion 4. A guide portion 12 that slides both end portions of the ring member 5 is provided radially, and each end portion of the ring-shaped member 5 is slid on the guide portion 12 so that a plurality of ring-shaped members 5 are juxtaposed with the bearing portion 4 and the shaft portion. 3 so that contact resistance is generated when the shaft portion 3 and the bearing portion 4 are rotated relative to each other in a pressure contact state, and this contact resistance force is changed by changing the number of ring-shaped members 5. The present invention relates to a hinge device that is configured to be variable.
[0006]
Further, when a plurality of ring-shaped members 5 are arranged in parallel on the bearing portion 4, a concave portion 10 that becomes a pool of grease is formed in an inner portion that contacts the shaft portion 3 between adjacent ring-shaped members 5. The hinge device according to claim 1 , wherein the hinge device is configured as described above.
[0007]
The hinge device according to any one of claims 1 and 2, wherein an appropriate metal ring-shaped member 5 is adopted as the ring-shaped member 5.
[0008]
In addition, the present invention relates to an electronic apparatus using a hinge device, wherein the hinge device according to any one of claims 1 to 3 is provided at a pivoting portion.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention (how to carry out the invention) considered to be suitable will be briefly described with reference to the drawings, showing its effects.
[0010]
In the present invention, a predetermined contact resistance is generated when the shaft portion 3 and the bearing portion 4 are rotated relative to each other.
[0011]
This contact resistance is caused by pressure contact with the shaft portion 3 in the plurality of ring-shaped members 5 provided on the bearing portion 4 and fitted on the shaft portion 3, and contact is made by changing the number of the ring-shaped members 5. The resistance force can be varied.
[0012]
Accordingly, a predetermined contact resistance is generated when the shaft portion 3 and the bearing portion 4 provided on the first member 1 and the second member 2 are relatively rotated, and this contact resistance force is applied to the first member 1 and the second member 2, for example. Can be configured to be held at a desired opening angle, or can be configured to prevent sudden closing and rotation, and the contact resistance force can be easily and reliably adjusted. Become.
[0013]
Further, for example, when the ring-shaped member 5 that can be reduced in diameter by being partially cut away is used as the ring-shaped member 5 and the ring-shaped member 5 is provided in the bearing portion 4, the ring-shaped member 5 is a shaft portion. In the case where the bearing portion 4 is configured so as to be fitted in a pressure contact state with respect to 3, a good contact resistance can be obtained simply by providing the ring-shaped member 5 on the bearing portion 4.
[0014]
Further, for example, a guide portion 12 that slides the ring-shaped member 5 on the bearing portion 4 that is fitted to the shaft portion 3 and receives the bearing is provided, and the plurality of ring-shaped members 5 are arranged in parallel by sliding on the guide portion 12. When the bearing portion 4 is configured so as to be obtained, the ring-shaped member 5 is not provided with a complicated structure in parallel with the bearing portion 4, and the ring-shaped member 5 can be sequentially provided on the bearing portion 4.
[0015]
Further, for example, when a plurality of ring-shaped members 5 are arranged side by side on the bearing portion 4, a recess 10 that becomes a pool of grease is formed in an inner portion that contacts the shaft portion 3 between adjacent ring-shaped members 5. In addition to the fact that the adjustment of the contact resistance force that occurs when the shaft portion 3 and the bearing portion 4 are rotated relative to each other is achieved by changing the number of the ring-shaped members 5, it is also possible to use grease. You can adjust it.
[0016]
【Example】
Specific embodiments of the present invention will be described with reference to the drawings.
[0017]
This embodiment is applied to a notebook type personal computer as shown in the drawings, wherein the main body portion is the first member 1, the display portion is the second member 2, and the main body portion 1 and the display portion 2 are overlapped. The hinge device A of the present invention is applied to a pivoting structure in which the display unit 2 can be brought into an open state (use state) rotated, for example, by 120 degrees.
[0018]
In this embodiment, a mounting hole is provided in the base of the main body 1, and a mounting hole adjacent to the base of the display unit 2 is provided in communication with the hinge. The hinge of the present invention is configured as an axial part in each of the mounting holes. The apparatus A is configured to be inserted.
[0019]
The display unit 2 is fixed with a first mounting body 7 having a detent shape through the mounting hole, and the second mounting body 8 connected to one end of the first mounting body 7 is connected to the mounting hole. It is fixed to the main body part 1 through.
[0020]
As shown in FIG. 3, the first attachment body 7 is formed by forming an appropriate metal member in a case shape, and includes a hole into which a shaft portion 3 related to the second attachment body 8 described later can be inserted. A bearing portion 4 is provided.
[0021]
The bearing portion 4 has a predetermined diameter, and is configured so that a plurality of ring-shaped members 5 can be arranged in parallel.
[0022]
Specifically, the bearing portion 4 is formed with concave grooves 12 radially formed at four locations on the inner peripheral surface thereof. When the ring-shaped member 5 is attached to the bearing portion 4, each of the concave grooves 12 is a ring. It becomes a guide part for sliding the shaped member 5.
[0023]
Each concave groove 12 is open at one end of the first attachment body 7, and is configured such that the ends 5 a and 5 b of the ring-shaped member 5 can be slid from the opening to be mounted in the bearing portion 4. ing.
[0024]
Therefore, the ring-shaped members 5 can be juxtaposed to the bearing portion 4 by sequentially sliding the plurality of ring-shaped members 5 from the one end side of the first attachment body 7 through the guide portion 12.
[0025]
As shown in FIG. 3, the ring-shaped member 5 is formed by forming an appropriate metal circular wire (piano wire) in a ring shape (C-shape), and a part thereof is notched. It has a suitable elasticity and can be reduced in diameter.
[0026]
Further, bent portions 5a and 5b which are bent outward are formed at both ends of the ring-shaped member 5 constituting the notch, and the bent portions 5a and 5b are engaged with the guide portion 12 associated with the bearing portion 4. By stopping, the ring-shaped member 5 can be attached to the bearing portion 4 in a locked state.
[0027]
The ring-shaped member 5 is configured to be fitted into the shaft portion 3 in a press-contact state when the shaft portion 3 is fitted into the bearing portion 4, and the ring-shaped member 5 with respect to the shaft portion 3. The pressure contact causes a predetermined contact resistance when the shaft portion 3 and the bearing portion 4 are rotated relative to each other.
[0028]
Further, when a plurality of ring-shaped members 5 are arranged side by side in the bearing portion 4, a recess 10 that becomes a pool of grease is formed in an inner portion that contacts the shaft portion 3 between adjacent ring-shaped members 5. It is configured (see FIG. 8).
[0029]
Further, the ring-shaped member 5 is mounted in advance on the bearing portion 4 in a juxtaposed state, and in this state, the shaft portion 3 is fitted into the bearing portion 4 so that the ring-shaped member 5 is fitted on the shaft portion 3. Alternatively, it may be fitted into the shaft portion 3 in advance, and the shaft portion 3 may be fitted into the bearing portion 4 in this state.
[0030]
As shown in FIG. 3, the second attachment body 8 is formed of an appropriate metal member, and the shaft portion 3 is attached to the attachment portion 8 a having a square cross section that fits into the attachment hole according to the display portion 2. It is provided in a protruding state.
[0031]
The shaft portion 3 is formed in a cylindrical shape having a predetermined diameter, and is arranged in a penetrating manner so as to be rotatable through the bearing portion 4 described above, and a snap ring 9 is fastened to the tip portion of the shaft portion 3. The mounting body 7 is connected to the mounting body 7 so as to be pivotably pivotable.
[0032]
Further, when the shaft portion 3 is coupled to the bearing portion 4, the shaft portion 3 is fitted on the ring-shaped member 5, and the shaft 3 and the inner surface of the ring-shaped member 5 are rotated during the relative rotation of the shaft 3 and the bearing portion 4. Is configured to generate a predetermined contact resistance. This contact resistance can be varied by changing the number of ring-shaped members 5 (see FIGS. 4 and 5).
[0033]
The shaft portion 3, the bearing portion 4 and the ring-shaped member 5 are not limited to the materials described in the present embodiment, and may be appropriately employed as long as they exhibit the characteristics of the present embodiment. Reference numeral 11 denotes a spacer.
[0034]
Since the present embodiment is configured as described above, a predetermined contact resistance is generated when the shaft portion 3 and the bearing portion 4 are rotated relative to each other.
[0035]
This contact resistance is detachably provided on the bearing portion 4, and is generated by pressure contact with the shaft portion 3 in a plurality of ring-shaped members 5 fitted on the shaft portion 3, and the number of the ring-shaped members 5 is changed. Thus, the contact resistance can be varied.
[0036]
Therefore, according to the present embodiment, a predetermined contact resistance is generated at the time of relative rotation of the shaft portion 3 and the bearing portion 4 provided in the main body portion 1, the display portion 2, and this contact resistance force is applied to the main body portion 1, for example. On the other hand, the display unit 2 can be configured to be held at a desired opening angle, or can be configured to prevent sudden closing and rotation, and the contact resistance can be adjusted by adjusting the ring-shaped member 5. By simply increasing or decreasing the number, the process can be performed simply and reliably, and because of the simple structure, the cost is reduced and the mass productivity is excellent.
[0037]
In addition, the present embodiment employs a ring-shaped member 5 that can be reduced in diameter as a part of the ring-shaped member 5, and when the ring-shaped member 5 is provided on the bearing portion 4, Since the bearing portion 4 is configured so that the member 5 can be fitted into the shaft portion 3 in a pressure contact state, simply setting the ring-shaped member 5 on the bearing portion 4 allows easy and reliable good contact resistance. Will be obtained.
[0038]
Further, in the present embodiment, a guide portion 12 that slides the ring-shaped member 5 is provided on the bearing portion 4 that is fitted and supported by the shaft portion 3, and the plurality of ring-shaped members 5 are slid on the guide portion 12. Since the bearing portion 4 is configured to be arranged in parallel, the ring-shaped member 5 is filled from one end side of the first mounting body 7 so that a plurality of ring-shaped members 5 are simply arranged in parallel on the bearing portion 4. can do.
[0039]
Further, in the present embodiment, when a plurality of ring-shaped members 5 are arranged side by side on the bearing portion 4, there is a recess 10 that becomes a pool of grease in an inner portion that contacts the shaft portion 3 between adjacent ring-shaped members 5. Since it is configured to be formed, not only the contact resistance of the material between the shaft portion 3 and the bearing portion 4 (ring-shaped member 5), but also a better contact resistance can be obtained easily and reliably by applying a lubrication material. In addition, it is possible to prevent the grease from being cut as much as possible by providing this grease pool.
[0040]
Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.
[0041]
【The invention's effect】
Since the present invention is configured as described above, the contact resistance force generated when the shaft portion and the bearing portion are rotated relative to each other can be adjusted easily and reliably, and the simple structure reduces the cost and improves mass productivity. It will be a revolutionary hinge device with extremely high commercial value.
[0042]
In the present invention, Ru can be arranged a plurality of ring-shaped member easily to the bearing portion.
[0043]
In the invention according to claim 4 , the electronic device uses an innovative hinge device with extremely high commercial value.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a use state of the present embodiment.
FIG. 2 is a perspective view showing the present embodiment.
FIG. 3 is an exploded perspective view of the present embodiment.
FIG. 4 is a perspective view showing a main part according to the present embodiment.
FIG. 5 is a perspective view showing a main part according to the present embodiment.
FIG. 6 is a cross-sectional view showing a main part according to the present embodiment.
FIG. 7 is a cross-sectional view showing a main part according to the present embodiment.
FIG. 8 is a cross-sectional view showing a main part according to the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st member 2 2nd member 3 Shaft part 4 Bearing part 5 Ring-shaped member
10 recesses
12 Guide section

Claims (4)

A hinge device for pivotally mounting a first member and a second member so that the first member and the second member can be pivoted open and close, wherein a shaft portion is provided in a non-rotating state with respect to either the first member or the second member, and A guide part that provides a bearing part for bearing the shaft part in a non-rotating state, and slides both end parts of a ring-shaped member that can be reduced in diameter by cutting partly at four locations on the inner peripheral surface of the bearing part. Are provided in a radial manner, and each end of the ring-shaped member is slid on the guide portion, and a plurality of ring-shaped members are juxtaposed with the bearing portion and are fitted in pressure contact with the shaft portion. A hinge device characterized in that a contact resistance is generated at the time of relative rotation between the shaft and the bearing portion, and the contact resistance force can be varied by changing the number of ring-shaped members.   When a plurality of ring-shaped members are juxtaposed in the bearing portion, a concave portion that is a reservoir of grease is formed between the adjacent ring-shaped members and in contact with the shaft portion. The hinge device according to claim 1. The hinge device according to any one of claims 1 and 2, wherein an appropriate metal ring-shaped member is adopted as the ring-shaped member.   The electronic device using the hinge apparatus characterized by providing the hinge apparatus of any one of the said Claims 1-3 in the pivoting part.

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