JP3471743B2 - Engagement composition of hinge device for opening and closing of folding device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding computer,
In a folding device such as a personal computer, a mobile phone, and a word processor, a cover pivotally attached to the device body so as to be freely opened and closed can be maintained at a closed position and at an arbitrary opening angle. The present invention relates to an engaging composition that can be used in a hinge device that can be opened and closed at a wide angle in a cover of a foldable device that can smoothly open and close the cover by releasing the holding state with an appropriate force. 2. Description of the Related Art In a portable telephone or the like described above, a cover that closes a device body is unintentionally opened or a cover at the time of opening is closed during use. When the conventional locking means using a locking claw, a magnet, or the like is used to prevent the above, satisfactory results in terms of design, restrictions on mounting, high cost and operability have not been obtained. Therefore, in order to resolve the defect, Japanese Patent Laid-Open No.
A proposal described in Japanese Patent Publication No. 11831 is made. [0003] The above-mentioned proposal has a configuration as described below with reference to Figs. That is, as understood from FIG. 7 and FIG.
Are hinged by a hinge 3 so as to be freely openable and closable by an arbitrary opening angle α ゜, and the hinge 3 is composed of a main body hinge tube 1 a fixed to the device main body 1 and a cover hinge tube 2 a fixed to the cover 2.
As shown in FIG. 8, the main body contact end surface 1b of the main body hinge tube 1a and the cover contact end surface 2b of the cover hinge tube 2a are freely slidable when the cover 2 is opened and closed. A fixed disk 4 is fitted in the main body hinge tube 1a so as to be slidable in the axial direction in a rotation stopped state. For this purpose, a guide rib 1c provided on the inner peripheral surface of the main body hinge tube 1a is fitted. The guide groove 4a of the fixed disk 4 is engaged. The contrast cover hinge cylinder 2a, which also is fitted in the movable disc 5 with detent state, the groove 2c in the depth inside surface of the cover hinge cylinder 2a in the illustrated example to the ribs 5a formed on an end surface of the movable disc 5 Are engaged. Further, in the prior art, one of the fixed butted end face 4b of the fixed disk 4 and the movable butted end face 5b of the movable disc 5, in the illustrated example, is fixed to the fixed butted end face 4b in FIG. As can be understood from FIG. 10C and FIG. 10, a plurality of (three) engagement recesses 6 are provided at predetermined circumferential angular positions N1, N2, and N3 (positions determined by the opening angle α ゜ of the cover 2). As shown in FIGS. 9 (B), 9 (D) and 10 in the illustrated example, the engaging recess 6 is engaged by the elastic force based on the coil spring 7 in FIG. A plurality of (two) engaging projections 8 are formed at predetermined circumferential angle positions P1, P2.
And protrudes from the movable butting end face 5b. Here, the above coil spring 7 is shown in FIG.
As shown in FIG. 2, the screw rod is located on the opposite side of the fixed butted end face 4b of the fixed disk 4 and is housed in the storage cavity 4c opened outward, and is inserted from the outside of the main body hinge cylinder 1a. The screw 9 penetrates through the fixed disk 4 and the movable disk 5 from the coil spring 7, and the tip 9a of the screw is screwed into a screw hole 2e formed in the bottom 2d of the cover hinge cylinder 2a. Here, 9b in the figure
Indicates the head of the screw 9. Therefore, the coil spring 7 elastically presses the fixed disk 4 toward the movable disk 5 by the elastic force, and thereby the engagement convex portion 8 is engaged with the engagement recess 6.
Are engaged, the fixed butted end face 4b comes into pressure contact with the movable butted end face 5b. Therefore, as can be understood from FIG. 10, when the cover 2 is opened to move the movable disk 5 together with the cover hinge cylinder 2a, the movable butted end face 5
9E, the engaging projection 8 protrudes from the engaging recess 6 in the circumferential direction as shown in FIG. 9 (E). However, FIG.
Is moved to the left, and the tip of the engaging projection 8 is
It slides on the fixed butted end face 4b and rotates in the circumferential direction. For this reason, in FIG. 9, when the engaging projection 8 at the circumferential angular positions P1 and P2 of the movable disk 5 is in the closed state of the cover 2, the circumferential angular position N1 and
When the cover 2 is opened by the opening angle α ゜, the pair of engaging projections 8 are engaged with the circumferential angles N3 and N1, respectively. The engagement can be switched to the engagement recess 6 at the position. [0009] With the above-described configuration, in the case of the related art, compared with locking by a locking claw or a magnet,
When the cover 2 is closed and opened with respect to the device body 1,
It is possible to prevent unintentional rotation, and it is possible to easily open and close the cover 2 as needed, thereby greatly improving the defects of the above-mentioned conventional cases. [0010] As described above, when the above-mentioned conventional hinge device is used, a desired effect can be exhibited. However, as understood from FIG. Engages the movable disk 5 with the cover hinge tube 2a of the cover 2 to engage the respective grooves 2c and the ribs 5a, while the fixed disk 4 is fitted into the body hinge tube 1a of the device body 1. The respective guide ribs 1c and the guide grooves 4a are engaged with each other. After the coil spring 7 is fitted on the fixed disk 4, the screw 9 is
Into the cover hinge tube 2
By screwing into a screw hole 2e carved in the bottom 2d of a,
The fixed disk 4 is pressed by the elastic force of the compression and compression of the coil spring 7 by the head 9 b of the screw rod 9, whereby the fixed butted end face 4 b is pressed against the movable butted end face 5 b of the movable disk 5. Have to do it. An object of the present invention is to provide an engaging composition which can solve the above-mentioned defects, and comprises a second disk, a sliding disk and a tubular main body which are members of the first disk. The coil springs interposed between them are arranged in a line on the same axis, and a shaft rod is inserted through these components to be fixed integrally in a state where they cannot be removed, so that the sliding force is generated by the elasticity of the coil springs. the dynamic disk is elastically contacted to the second disc, to form a spaced through voids between the inner edge of the sliding notch groove in the sliding disc and the tubular body of the first disk. Thus, the opening / closing holding cap of the foldable device is provided.
In opening and closing movement of the second member (cover) in the printer device ,
The above slide, which is provided in the axial direction from the side edge of the cylindrical body,
The sliding disk of the first disk is exposed in the groove
The axial direction in a state, is to integrate so as to be movable in the above spaced through cavity. In this way, the first by a simple operation of those engagement fitting composition body when according to the invention, as long fitted to the second hinge cylinder, it just first, with respect to the second hinge cylinder An engagement state can be ensured, and thus a pivotable state in which the first and second members can be freely opened and closed is secured.
It is intended to ensure that the work for assembling can be performed remarkably quickly and easily, and that the second disc is provided with a retaining elastic claw, so that the engaging composition is kept in a retaining state. There is an object of it. [0012] A foldable type according to the present invention.
Engagement composition of hinge device for holding and opening equipment is intended purpose
In order to achieve the above, the following problem solving means is characterized. You
That is, the engaging composition of the present invention has a first hinge cylinder having a first hinge cylinder.
One member and a second member having a second hinge cylinder can be opened and closed freely.
Engagement composition for coupling, adjacent on the same axis
Mounted over the first hinge cylinder and the second hinge cylinder
And as a component of the engagement composition
First disc, second disc, coil spring and shaft
Of which the first disk has a cylindrical body and a slide
Moving disk, and a cylindrical body and a sliding disk.
In the relative relationship between the disk and coil spring.
For fitting discs and coil springs.
The cylindrical main body, which is mounted on one hinge cylinder, is
A slide with a notch formed along the axial direction from the side edge
Having a notch for use in the peripheral wall, and inside the cylindrical body
And the inside of the notch for slide
The sliding disk that slides along the axis of
Having a peripheral surface shape corresponding to the inner diameter of the
And the coil spring is fitted into the cylindrical body.
A sliding disk within the cylindrical body
And one side of the first
Abut the sliding disk as the butting end face and one side with the second butting
Relative to the second disc as the end face
Multiple engagements on either of the butted end faces
The recesses are formed at circumferential intervals, and
On the other side, there are a plurality corresponding to the respective engagement recesses so as to be capable of engaging and disengaging.
Is formed, and the second hinge
Second thrust with the second disk mounted non-rotatably on the cylinder
On the opposite end face to the mating end face,
Make sure that the retaining elastic claw that
And the shaft and the first disc / second disc / coil
Relative to the first spring,
Of the shaft part, second disk shaft part and coil spring shaft part
The shaft rod penetrates each, and
For assembly of each component, coil spring
Being fitted in the main body, and the first butting
Sliding disc with outer end face on coil spring
Against the inside of the cylindrical body and the inside of the notch for sliding
And the first butted end face and the
(2) The sliding disc and the second disc face each other
That the discs are facing each other and this collection
The shaft rod penetrates the shaft center of each combined component
The both ends of the shaft rod come off the cylindrical body and the second disk
It is fixed and fixed, and this assembly structure
A part of the sliding disk and a notch for sliding
The part fitted in the groove is exposed from there,
And for the sliding disk and the slide existing in the cylindrical body
The rear edge 12e of the cut groove is formed with an engagement projection between them.
Intervening through space S of equal length or more, or
The coil spring moves the sliding disk to the second disk
To the sliding disk and the second disk.
The engagement convex portion which is in an engaged state when the
The engagement recesses are switched to other engagement recesses and engagement projections, respectively.
It is characterized by that. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An engaging composition C according to the present invention will be described in detail below with reference to FIGS. 1 to 6, and as can be understood from FIG. A first hinge cylinder 10 protrudingly provided at one edge of the first member A,
The second member B is configured to be fitted and locked to a second hinge cylinder 11 protrudingly provided at one edge of the second member B. Here, in the illustrated example, the first member A is the device main body, and the second member B is a cover that can be freely opened and closed with respect to the device main body. age,
The second member B may be specified as the device main body. The above-mentioned first hinge tube 10 and second hinge tube 1
1 is on the same axis as is known, the first contact end peripheral edge 10a of the first hinge cylinder 10 and the second contact end peripheral edge 11a of the second hinge cylinder 11 are opposed to each other. As shown in FIG.
(C), FIG. 2 and through that will be seen in Figure 3, the first disc 12 of the engagement fitting composition body C is fitted into a rotary fixed state, the second
The hinge cylinder 11 is formed such that the second discs 13 of the engaging composition C can be internally fitted to the hinge cylinder 11 in a rotation stopped state. Further, similarly to the conventional example, an engaging recess 13b is provided at a predetermined circumferential angle position on one of the first butting end face 12a of the first disc 12 and the second butting end face 13a of the second disc 13. provided by a plurality of, with respect to the engagement fitting recess 13b on the other, the convex portion 1 fits more engaging for engagement by elastic force by the coil spring 14
2b is provided, and when the first and second members A and B are closed and opened, the engagement of the engagement protrusion 12b to the engagement recess 13b is switched to another engagement recess 13b. It is configured as follows. [0015] The first disk 12 described above is a cylindrical body 12A, and fitted in so as to be exposed state sliding notch groove 12d was being Ketsu設from the side edge 12c in the axial direction <br/>, The sliding disk 12B is slidably fitted in the axial direction. The sliding disk 12B is provided with the engaging projection 12b as shown in the figure or the engaging recess 13b (not shown). The second disk 13 is provided with a retaining elastic claw 13c. The second disk 13, the sliding disc 12B and a coil spring 14 in the first disk 12 are sequentially associative above theory also
Then, the first disk 12 is inserted into the cylindrical main body 12A.
The shaft rod 15 is fixed in a retaining state, so that the elastic force of the coil spring 14 causes the first butting end surface 12 of the sliding disk 12B.
a is resiliently brought into contact with the second butted end face 13a of the second disk 13. [0016] Okutan'en 12 in the above by elastic contact, sliding notch groove 12d mentioned above the sliding disc 12B
e and a distance equal to or longer than the engagement convex portion 12b.
The penetrating space S is formed as clearly shown in FIG. 1 (B), whereby the engaging composition C described so far is constituted. Here, in the above description of the configuration, since the cylindrical main body 12A is fitted to the first hinge cylinder 10 in the rotation stopped state, the inner peripheral surface of the first hinge cylinder 10 is axially fitted to the first hinge cylinder 10 in the illustrated example. A guide groove 1 axially provided on the outer peripheral surface of the cylindrical main body 12A with respect to the provided guide rib 10b.
2f is engaged. [0017] That is, now to Setsuji per details in the illustrated embodiment, the shaft rod 15 to JikuSo second disk 13, the sliding disc 12B, a cylindrical main body 12A of the coil spring 14 and the first disk 12 integral However, the structure is composed of a detent base end 15b continuously provided from the head 15a, a rod-like portion 15c continuously provided, and a fine distal end 15d provided continuously with the rod-like portion 15c. As a result, a tip receiving edge 15e is formed on the rod-like portion 15c. And the above-mentioned detent base end 15b is provided in the second
When the second member B is opened and closed by being fitted into the non-rotating shaft hole 13d penetrating through the disk 13, the second disk 13 is also rotated together with the second hinge cylinder 11 at this time. In the illustrated example, the detent base end 15b and the detent shaft hole 1
3d is formed in a square. [0018] More HosoNaru tip 15d of the shaft rod 15, the washer 16 abuts the end edge of the cylindrical body 12A of the first disk 12 is fitted on the terminal of the HosoNaru tip 15d By caulking, the washer 16 is pressed and fixed to the above-mentioned front end receiving edge 15e of the rod portion 15c. As shown in FIGS. 1 to 3, the second disk 13 comprises a substrate 13A provided with an engagement recess 13b or an engagement protrusion 12b, and an elastic claw 13B protruding therefrom. are, in the elastic claw portion 13B, a pair of variable arms 13e are protruded with a tapered surface 13f of the tapered, the tapered surface of the tapered 13
The above-mentioned retaining claw 13c is formed on the base end side of f. In the second disk 13 shown in FIG. 6, four variable arms 13e are protruded, and the elastic claws 13B are formed in a square shape, whereas the elastic claws 13B are formed in a split tube shape. ing. In the illustrated example, the second hinge cylinder 11 is used.
In addition, a square anti-rotation cylinder shaft opening 11b is opened in the side wall 11c, and the second disk 13 is mounted on the hinge cylinder 11 by the fitting operation of the engagement composition c as described above, The variable arm 13e having the tapered tapered surface 13f of the second disk 13 is reduced in diameter, fits into the above-mentioned detent cylinder shaft opening 11b, goes through, and the reduced diameter state is restored. The retaining claw 13c is locked to the outer wall surface of the side wall 11c. Therefore, according to the illustrated example, it is located between the substrate portion 13A and the retaining claw 13c of the elastic claw portion 13B, protrudes from the side wall 11c of the second hinge cylinder 11 toward the axis, and the rotation preventing cylinder shaft is provided. The stopper peripheral edge 11d with the opening of the opening 11b is sandwiched, so that the engaging composition c is connected to the first hinge cylinder 10 connected continuously.
And the second hinge cylinder 11 is securely installed without falling off. [0021] Thus in the illustrated embodiment the second member A first member B
, The second disk 13 is rotated together with the rotation of the second hinge cylinder 11 in the same manner as in the above-described conventional example, whereby the engagement state is prevented against the elasticity of the coil spring 14. Engagement recess 13b and engagement protrusion 12b
Is disengaged, the engaging projection 12b slides on the second butted end face 13a of the second disk 13, and at this time, the sliding disk 12B moves to the right in FIG. The movement of the second member B is switched from the holding state of the closed state to the holding position of the opened state without any trouble by the setting of the separated through space S. In the illustrated example, the engaging composition C
And the cylindrical main body 12 of the first disc 12
By closing the side end of A with the closing cap 17, the appearance is improved and the intrusion of dust into the engaging composition C is prevented. As illustrated in FIG. 3, an example of the closing cap 17 is a locking cavity which is located between the external appearance plate portion 17a and the inner locking plate portion 17b and opens the locking hole 17c to the side. A place 17d is formed apart. Then, with respect to the previously described washer 16 in the engagement composition C, the above washer 17e
From this state, the closing cap 17 is opened and opened in this state, so that the washer 16 is engaged with the inner locking plate portion 17b so as not to come off. Since the engaging composition according to the present invention is constituted as described above, it is not necessary to incorporate a large number of components into a folding device one by one. The assembling of the engagement composition can also be simplified and quickly performed by simply inserting the shaft rod into various parts and fixing it in a retaining state. Moreover, since the first disk is constituted by the cylindrical main body and the sliding disk engaged with the slide notch groove, and the separation through space is set, a hinge device for opening / closing and holding the folding device of this kind is provided.
All necessary and sufficient functionality can be satisfied.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 (A) is an exploded schematic perspective explanatory view showing a situation in which the engaging composition according to the present invention is incorporated into a foldable device to assemble an opening / closing holding hinge device, FIG. 2B is a longitudinal sectional front view when the assembly is completed, and FIG. 2C is an end view showing the second hinge cylinder when the assembly is completed. FIG. 2 is a cross-sectional plan view when the assembly according to FIG. 1B is completed. FIG. 3 is an exploded perspective view showing the engaging assembly according to the present invention. 4A and 4B show a second disk which is a part of the engaging composition according to the present invention, wherein FIG. 4A is a front view, FIG. 4B is a right side view, and FIG. ) Is a top view thereof. 5A and 5B show a sliding disk which is a part of the engaging composition according to the present invention, wherein FIG. 5A is a front view, FIG. 5B is a right side view, and FIG. ) Is a top view thereof. FIG. 6 is a perspective view showing another embodiment of the second disk according to the present invention. FIG. 7 is a perspective view showing an open state of a conventional foldable device. FIG. 8 is an exploded perspective view showing a main part of FIG. 7; 9A is a fixed butt end view of a fixed disk which is a constituent member of FIG. 8, FIG. 9B is a movable butt end view showing a movable disk, and FIG. 9C is a cross-sectional view taken along line CC of FIG. 9A. , (D) is a sectional view taken along line DD of (B), and (E) is (C).
FIG. 6 is a longitudinal sectional view showing the fixed disk and the movable disk of FIG. FIG. 10 is a longitudinal sectional front view showing a conventional hinge device using the components shown in FIG. 9; DESCRIPTION OF SYMBOLS 10 First hinge cylinder 11 Second hinge cylinder 12 First disc 12A Cylindrical main body 12B Sliding disc 12a First butting end face 12b Engagement projection 12c Side edge 12d Sliding cut groove 12e Back edge 13 Second disc 13a Second butted end face 13b Engagement recess 13c Retaining elastic claw 14 Coil spring 15 Shaft A First member B Second member C Engagement composition S Separating through space

Claims (1)

(57) Claims 1. An engaging composition for connecting a first member having a first hinge cylinder and a second member having a second hinge cylinder in an openable and closable manner, Being mounted over a first hinge cylinder and a second hinge cylinder which are adjacent on the same axis,
And a first disk, a second disk, a coil spring, and a shaft as constituent elements of the engaging composition, wherein the first disk includes a cylindrical main body and a sliding disk; and In the relative relationship between the main body, the sliding disk, and the coil spring, a cylindrical main body for fitting the sliding disk and the coil spring, which is non-rotatably mounted to the first hinge cylinder, extends in the axial direction from its side edge. A sliding disk having a notch formed in the peripheral wall, the sliding disk being fitted along the inside of the tubular body and the inside of the notched groove for sliding and sliding along the axial direction of the tubular body. Has a peripheral surface shape corresponding to an inner diameter and a cut groove shape of the cylindrical main body, and has an outer diameter such that the coil spring can be fitted into the cylindrical main body. In that the one that is pressed against the sliding disc, and, second to the sliding disc and one side to the one side first butted end faces second butted end faces
In relation to the disk, a plurality of engaging recesses are formed at one of the two butted end faces at intervals in the circumferential direction, and the other engages with the engaging recesses. A plurality of engaging projections are formed so as to be detachable, and a second hinge cylinder is provided on an end surface opposite to the second butting end surface of the second disk which is non-rotatably mounted to the second hinge cylinder. A first disc shaft center portion and a second disc shaft in a relative relationship between the shaft rod and the first disc, the second disc, and the coil spring; A shaft rod penetrates each of the disk shaft portion and the coil spring shaft portion, and for assembling the above-mentioned components, the coil spring is fitted into the cylindrical main body, and A sliding disk having the first butting end face as the outer face is fitted into the inside of the cylindrical body and the inside of the sliding notch against the coil spring, and the first butting end face and the second butting end face are The sliding disk and the second disk are opposed to each other, and a shaft penetrates the shaft center of each of the assembled components, and both ends of the shaft are cylindrical body. And the second disk is secured to the sliding disk, and in this assembly structure, a part of the sliding disk, which is fitted into the sliding cut groove, is exposed therefrom; And a sliding disk and a rear edge 1 of a sliding cut groove existing in the cylindrical main body.
2e, a spacing through space S having a length equal to or longer than that of the engagement convex portion is interposed therebetween, and the coil spring presses the sliding disk against the second disk, and A foldable type wherein the engaging projection and the engaging recess which are engaged when the sliding disk and the second disk rotate relative to each other are switched to other engaging recesses and engaging projections, respectively. An engaging composition for a hinge device for holding open / close of a device.