JP3927275B2 - Hinge device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hinge device suitable for use in a device that is folded in two when not in use and is used with one member being opened at a predetermined angle during use, such as a cellular phone or a cosmetic compact.
[0002]
[Prior art]
With the recent development of electronics technology, various devices such as mobile phones, electronic notebooks, etc., which are small and equipped with a liquid crystal screen or the like have been developed and put into practical use.
These devices are generally composed of two members that can be freely opened and closed. When not in use, these members are folded in half and stored compactly, and when used, one member such as a transmitter, a display, etc. A spread type that opens at a predetermined angle is used.
[0003]
In the above-described spread-type device, a hinge device is used to connect the opening / closing member and the fixing member (the member on the opening / closing side such as the transmitter and the display unit is called the opening / closing member and the other member is called the fixing member). Has been done.
Conventionally, as this type of hinge device, for example, a device having a coil spring or a leaf spring therein is used in order to ensure that the opening and closing member is not loosened at the time of use or when it is not used. It is used.
[0004]
[Problems to be solved by the invention]
However, the conventional hinge device as described above has the following problems.
The spread-type device is often used for portable purposes, and there is always a demand for downsizing the device.
However, in the above-described conventional hinge device which forms a part of the device, various parts such as a leaf spring are incorporated therein, so that there is a limit to downsizing.
This is contrary to the above-mentioned demand, and further downsizing of the hinge device has been desired.
[0005]
The present invention has been made in consideration of the above points, and an object of the present invention is to provide a hinge device that can be reliably locked at a predetermined position and contribute to downsizing of the device.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention employs the following configuration.
The hinge device according to claim 1 is a hinge device in which one member and the other member can be opened and closed with a rotation axis as a center, and the first hinge is attached to the one member so as not to rotate. A structural body and a second hinge structural body that is non-rotatably attached to the other member are disposed on the rotational axis, and at least one of the first and second hinge structural bodies is The first and second hinge components are slidable in the direction of the movement axis, and are formed with holes that are located on the rotation axis and communicate with each other, and are positioned on the rotation axis. First and second through-holes are formed, shafts that are loosely fitted in the hole portions are disposed in the hole portions, and the first and second hinge components are arranged on the rotation axis. biasing member is provided to abut urged towards each other, said shaft body Is formed with an insertion hole positioned on the axis of the first and second through holes, and the biasing member is inserted into the first and second through holes and the insertion hole. It is characterized by that.
[0007]
Therefore, according to the hinge device of the present invention, the first hinge structure attached to one member and the second hinge structure attached to the other member are moved closer to each other by the biasing member. , Joined in an energized state.
When one member and the other member are opened and closed about the rotation axis, at least one of the first and second hinge components slides in the direction of the rotation axis using the shaft as a guide. And move.
Moreover, according to the hinge apparatus of this invention, an urging | biasing member can be accommodated in the inside of a 1st, 2nd hinge structure and a shaft.
[0008]
The hinge device according to claim 2 is the hinge device according to claim 1, wherein the opposing surfaces of the first and second hinge components that are opposed to each other separate and approach the first and second hinge components. And a cam portion to be locked at that position.
[0009]
Therefore, according to the hinge device of the present invention, the first and second hinge structures are urged in directions approaching each other, can be separated and approached, and can be locked at that position. it can.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the hinge device of the present invention will be described below with reference to FIGS.
Here, for example, a description will be given using an example in which the hinge device of the present invention is used to connect a transmitter to a telephone body in a mobile phone.
[0013]
In FIG. 1, reference numeral 1 denotes a mobile phone. The mobile phone 1 opens and closes a transmitter 2 (one member), a telephone body 3 (the other member), the transmitter 2 and the telephone body 3 with each other. It is comprised from the hinge apparatus 4 connected freely.
The transmitter 2 is provided with a support hole 5 that is located on the rotation axis and opens to the telephone body 3 side.
[0014]
As shown in FIG. 2, the telephone body 3 is obtained by joining an upper case 6 and a lower case 7 with mounting screws (not shown).
The telephone body 3 is provided with a support hole 8 that is located on the rotation axis and opens to the transmitter 2 side.
[0015]
The hinge device 4 is generally composed of first and second hinge constituent bodies 9 and 10, a core metal 11 (shaft body), and an elastic wire 12 (biasing member).
The first hinge structure 9 is fitted to the support hole 5 of the transmitting portion 2 so as not to rotate and to be slidable in the direction of the rotation axis, and is positioned on the rotation axis and is positioned on the first axis. A facing surface 13 is formed on the side facing the second hinge structure 10 while the through hole 16 is formed.
The opposing surface 13 is formed with a concave strip 14 in which the opposing surface 13 is missing in a direction orthogonal to the axis, and a hole 15 located on the rotation axis.
[0016]
The second hinge structure 10 is non-rotatably fitted in the support hole 8 of the telephone body 3, is located on the rotation axis, has a second through hole 20, and is formed with the first A facing surface 17 is formed on the side facing the hinge structure 9.
The opposing surface 17 is formed with a ridge 18 that bulges from the opposing surface 17 and a hole 19 that is located on the rotational axis.
The protrusion 18 engages with the recess 14 of the first hinge structure 9 and the hole 19 communicates with the hole 15 of the first hinge structure 9.
[0017]
These opposing surfaces 13 and 17 and the concave strip 14 and the projected strip 18 constitute a cam portion that separates and approaches the first and second hinge constituent bodies 9 and 10 and locks them at that position.
[0018]
In addition, a cored bar 11 that is loosely fitted in the holes 15 and 19 is disposed in the holes 15 and 19, and the cored bar 11 has an axis on the first and second through holes 16 and 20. The insertion hole 21 located in is formed.
An elastic wire 12 made of a superelastic alloy material is inserted through the insertion hole 21 and the first and second through holes 16 and 20.
[0019]
One end of the elastic wire 12 is secured to the first hinge structure 9 by a stopper 22, and the other end is retained by the second hinge structure 10 by a stopper 23. The hinge structures 9 and 10 are stretched so as to be urged in a direction approaching each other.
[0020]
A procedure for connecting the transmitter 2 and the telephone body 3 with the hinge device 4 having the above-described configuration will be described below.
First, the first hinge structure 9 is fitted into the support hole 5 of the transmitter 2.
Next, in this state, as shown in FIG. 2, the upper case 6 and the lower case 7 are joined by sandwiching the second hinge structure 10.
And these upper case 6 and lower case 7 are fixed with an attachment screw.
Thereby, the transmitter 2 and the telephone body 3 are connected by the hinge device 4.
[0021]
Next, the operation of the hinge device 4 will be described.
FIG. 1 shows a state where the mobile phone 1 is not used, that is, a state where the transmitter 2 is closed, and FIG. 3 shows a state of the hinge device 4 at this time.
At this time, the recess 14 of the first hinge structure 9 and the protrusion 18 of the second hinge structure 10 are engaged, and the first hinge structure 9 and the second hinge structure 10 are The elastic wires 12 are biased toward each other.
Therefore, these first and second hinge components 9 and 10 are locked in a state in which the transmitter 2 is closed.
[0022]
Further, when the transmitter 2 is opened from the closed state, the second hinge structure 10 rotates relative to the first hinge structure 9, and the ridges 18 urge the elastic wire 12. Against this, it tries to get off the concave strip 14 and ride on the facing surface 13.
For this reason, the urging force from the elastic wire 12 increases, and the ridge 18 is urged in a direction to engage with the recess 14, that is, in a direction to return the transmitter 2 to the closed state.
[0023]
When the mobile phone 1 is used, the transmitter 2 is rotated against the urging force of the elastic wire 12.
As a result, as shown in FIG. 4, the protrusion 18 of the second hinge structure 10 is disengaged from the recess 14 of the first hinge structure 9 and is engaged with the facing surface 13.
[0024]
At this time, the first hinge structure 9 slides and moves in the direction away from the second hinge structure 10 in the support hole 5 of the transmitter 2 with the core metal 11 as a guide.
Therefore, the urging force from the elastic wire 12 is increased, and the protrusion 18 is locked to the facing surface 13 by the increased urging force.
That is, the transmitter 2 is locked in an open state.
[0025]
According to the hinge device of the present embodiment, since the transmitter 2 can be reliably locked in the closed state and the open state, the urging member is housed inside. The hinge device can be reduced in size.
[0026]
FIG. 5 is a diagram showing a second embodiment of the hinge device of the present invention.
In this figure, the same components as those of the first embodiment shown in FIGS. 1 to 4 are denoted by the same reference numerals, and the description thereof is omitted.
Here, for example, the hinge device of the present invention will be described with reference to an example in which the hinge device of the present invention is used for connecting a lid body and a compact main body.
[0027]
In this figure, reference numeral 31 denotes a makeup compact. The makeup compact 31 is capable of opening and closing the lid 32 (one member) and the compact body 33 (the other member), the lid 32 and the compact body 33. The hinge device 24 is connected to the hinge device 24.
A support hole 5 is formed in the lid 32 so as to be positioned on the rotation axis.
As shown in FIG. 2, the compact main body 33 is formed by joining an upper case 34 and a lower case 35 with a mounting screw (not shown), and is positioned on the rotation axis and opened to the lid 32 side. A support hole 8 is formed.
[0028]
The hinge device 24 is generally composed of a first hinge structure 25, second hinge structures 10 and 10, a core metal 11, and an elastic wire 12.
The first hinge structure 25 is non-rotatably fitted in the support hole 5 of the lid body 32, is located on the rotation axis, has a hole portion 26, and has second end surfaces on both ends. A facing surface 13 is formed on the side facing the hinge structure 10.
A concave strip 14 is formed on the facing surface 13.
[0029]
The second hinge structure 10 is fitted to the support hole 8 of the compact main body 33 so as not to rotate and to be slidable in the direction of the rotation axis, and is positioned on the rotation axis so as to pass through the second through hole. A hole 20 is formed, and a facing surface 17 is formed on the side facing the first hinge structure 25.
The opposing surface 17 is formed with a ridge 18 and a hole 19 positioned on the rotation axis, and the hole 19 communicates with the hole 26 of the first hinge structure 25. .
[0030]
Further, a cored bar 11 that is loosely fitted into the holes 19, 26 is disposed in the holes 19, 26. The cored bar 11 is inserted on the axis of the second through-hole 20. A hole 21 is formed.
The elastic wire 12 is inserted through the insertion hole 21 and the second through hole 20.
Both ends of the elastic wire 12 are held by the second hinge members 10 and 10 by stoppers 23, and are stretched so as to urge the second hinge members 10 and 10 toward each other. Has been.
[0031]
A procedure for connecting the lid 32 and the compact 33 by the hinge device 24 having the above-described configuration will be described below.
First, the first hinge structure 25 is fitted into the support hole 5 of the lid 32.
Next, in this state, the upper case 34 and the lower case 35 are joined by sandwiching the second hinge structure 10.
And these upper case 34 and lower case 35 are fixed with an attachment screw.
Thereby, the lid body 32 and the compact main body 33 are connected by the hinge device 24.
[0032]
Also in this embodiment, when the lid 32 is opened and closed, the same effect can be obtained by the same operation as the above embodiment, and the parts are compared with the case where two sets of hinge devices 4 are used. The effect that only a small number of points is required is obtained.
[0033]
In the above embodiment, only the transmitter 3 is slidable in the axial direction. However, the present invention is not limited to this. For example, only the telephone body 2 can be slid, or the telephone body 2 and the transmitter can be slid. The structure which enables both of the parts 3 to slide may be sufficient.
[0034]
【The invention's effect】
As described above, according to the hinge device according to the first aspect, the first hinge structure is non-rotatably attached to one member, and the second hinge structure is attached to the other member. .
And these 1st, 2nd hinge structures are the structures by which the urging | biasing member urged | biased in the direction which mutually approaches is provided.
As a result, the first and second hinge structures are joined in the biased state, and one member and the other member have an excellent effect that they do not move when opened and closed around the rotation axis.
The urging member is configured to be inserted through the first and second through holes and the insertion hole of the shaft body.
As a result, the biasing member is housed in the hinge device, and an effect is obtained that the hinge device can be miniaturized, that is, the portable device using the hinge device can be miniaturized.
[0035]
According to the hinge device according to claim 2, the opposing surfaces of the first and second hinge components constitute a cam portion that separates and approaches the first and second hinge components and locks them at that position. is doing.
As a result, the first and second hinge components are locked in their positions when they are separated or approached.
That is, the one member and the other member have an excellent effect of being locked at the positions of the use state and the non-use state.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a first embodiment of the present invention, in which a transmitter and a telephone body are connected by a hinge device.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is an external perspective view of the hinge device when the mobile phone is not in use.
FIG. 4 is an external perspective view of the hinge device when the mobile phone is in use.
FIG. 5 is a diagram showing a second embodiment of the present invention, and is a cross-sectional view in which a lid and a compact main body are connected by a hinge device.
[Explanation of symbols]
2 Speaking part (one member)
3 Telephone body (the other member)
4,24 Hinge devices 9, 25 First hinge component 10 Second hinge component 11 Core metal (shaft)
12 Elastic wire (biasing member)
13, 17 Opposing surfaces 15, 19, 26 Hole 16 First through hole 20 Second through hole 21 Insertion hole 32 Lid (one member)
33 Compact body (the other member)

Claims (2)

A hinge device that allows one member and the other member to be opened and closed around a rotation axis.
A first hinge structure that is non-rotatably attached to the one member;
A second hinge structure that is non-rotatably attached to the other member is disposed on the rotation axis, and at least one of the first and second hinge structures is in the direction of the rotation axis. Slidable,
These first and second hinge structures are formed with holes that are located on the pivot axis and communicate with each other, and first and second through holes that are located on the pivot axis. Formed,
In these holes, a shaft body loosely fitted in the holes is arranged,
An urging member for urging and abutting the first and second hinge components in a direction approaching each other on the rotation axis;
The shaft body is formed with an insertion hole located on the axis of the first and second through holes,
The hinge device, wherein the urging member is inserted and disposed in the first and second through holes and the insertion hole. The hinge device according to claim 1, wherein
The opposing surfaces of the first and second hinge constituent members constitute a cam portion that separates and approaches the first and second hinge constituent members and locks them at that position. The hinge device.

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