KR100476994B1 - Hinge device - Google Patents

Abstract

(Problem) The dimension along the rotational axis direction of the hinge device is made as small as possible. Make assembly as easy as possible. Reduce the number of components

(Solving means) The first hinge member includes a shaft 10 and a rod-shaped body 12 supported in a state where a slide for changing a distance between the shaft 10 and the shaft 10 is allowed, and the shaft 10 and a rod-shaped body 12. The elastic body 13 arrange | positioned in between is provided. The second hinge member 2 has a press contact surface 20a in which the shaft 10 and the rod-shaped body 12 are inserted and passed through, and the inner surface thereof is pressed by the rod of the elastic body 13. The shaft hole 20 is provided. At least a portion of the pressure-contacting surface 20a is adapted to give a moderation to the engagement state between the first member P1 and the second member P2 by the hinge device H at a predetermined rotational position. The inclined pressure contact surface 20b formed by the concave element 21 formed therein is used.

Description

Hinge Device {HINGE DEVICE}

This invention consists of a 1st hinge structure fixed to a 1st member, and a 2nd hinge structure fixed to a 2nd member, Comprising: A 2nd member with respect to the said 1st member, A 1st member with respect to a 2nd member. The present invention relates to an improvement of a hinge device that is used to rotatably couple the center of the hinge device.

A shaft having one end fixed to a member on one side rotatably coupled by a hinge device, a slide cam member slidably provided in an axial direction of the shaft, and the shaft passing through the other end side of the shaft And a cam member fixed to the other side member rotatably coupled by the hinge device, and a compression coil spring wound around the outer side of the shaft to hold the slide cam member in a pressing direction to the cam member. There is a hinge device (see Japanese Patent Application Laid-Open No. 11-6519).

By the way, in such a conventional hinge apparatus, by the elasticity of the compression coil spring which wound the so-called lock (the imparting feeling) in the predetermined rotation position of both members rotatably coupled by this hinge apparatus to the outer side of the said shaft. In order to ensure, it had a limit in shortening the dimension of the hinge apparatus in the axial direction of the said shaft.

Further, since the force in the direction coming out of the shaft by the compression coil spring through the slide cam member is always applied to the cam member, the cam member comes out as described above by fitting an E-ring to the other end of the shaft. As a separate need for a rigid fastening means to restrain, there was a limit in ensuring the reduction of the components of the hinge device and the ease of assembly.

Therefore, in the hinge device of this kind, the assembly along the rotational axis direction of the first member and the second member rotatably coupled by the hinge device can be made as small as possible. The main object is to make it as easy as possible and to reduce the number of components.

In order to achieve the said objective, in the invention of Claim 1, it was assumed that the hinge apparatus was provided with the structure of the following (1)-(4).

(1) A hinge device comprising a first hinge structure fixed to a first member and a second hinge structure fixed to a second member,

(2) The first hinge structure,

Shaft,

A rod-shaped body disposed substantially parallel to the shaft and supported in a state where a slide for varying a distance from the shaft is permitted;

An elastic body disposed between the shaft and the rod-shaped body so as to always hold the rod-shaped body in a direction away from the shaft,

(3) The second hinge structure is

The shaft and rod-like body constituting the first hinge member are inserted and passed, and the inner surface is provided with a shaft hole in which the rod-shaped body is pressed against the crimp by the elastic body.

(4) Furthermore, at least part of the pressure-contacting surface in the shaft hole is formed in the shaft hole so as to give a moderation to the engagement state between the first member and the second member by the hinge device at a predetermined rotational position. It becomes the inclined pressure contact surface formed by the saw.

According to such a structure, a 2nd member with respect to the said 1st member, or a 1st member with respect to a 2nd member can be rotatably joined centering around the said hinge apparatus. That is, the first member and the second member may be coupled to each other by the hinge length body so that the rotation is performed around the shaft.

In addition, since the rotation can be performed while pressing the rod-shaped body to the pressing contact surface by the elastic body, it is possible to give the rotation a sense of equator. More specifically, at each position where the rotation is stopped, a resistance that can maintain the stop state of the rotation at each position can be imparted (so-called free stop function).

Further, in the predetermined rotational position, the rod-shaped body, which is constantly carried in the direction away from the shaft by the elastic body, can be brought into contact with the inclined pressure contact surface, so that the rod-shaped body is in the predetermined rotational position. The rotation can be prevented from being made (so-called theft) as long as a force of a magnitude that can pass over the inclined pressure contact surface is not applied.

Moreover, in the hinge apparatus which concerns on this embodiment, since the provision of the resistance of the equator and the theft feeling to the said rotation is ensured by the elastic body arrange | positioned between the shaft and rod-shaped body which comprise the said 1st hinge structure. And a dimension of the shaft in the axial direction of the shaft in the shaft hole constituting the shaft, the rod-shaped body, and the second hinge structure through which the shaft and the rod-shaped body are inserted, and the elastic body requires the minimum in the axial direction. Since the length can be shortened without trouble, the dimension of the hinge axis of the hinge device can be made as small as possible.

In the invention according to claim 2, the first hinge structure in the hinge device according to claim 1 has a holder body fitted into a fitting hole formed in the first member and fixed thereto, and the shaft is fixed to the holder body. In addition, the rod-shaped body was supported by receiving the end portion of the rod-shaped body in the slide groove formed in the holder.

According to such a structure, the said rod-shaped body is stably supported in the state which allowed the slide which changes a space | interval with the said shaft, while fitting the said holder body in the fitting hole formed in the said 1st member by the said one-touch in one touch. The hinge structure can be fixed to the member.

In the invention according to claim 3, the end portion of the shaft is allowed to be inserted into the holder body of the hinge device according to claim 2 while being elastically deformed, and the end of the shaft is caused by a shot at the position where the shaft is fully inserted. The insertion hole provided with the to-be-engaged part engaged with the engaging part formed in the recess was formed, It was characterized by the above-mentioned.

According to this structure, since the elastic ring body does not exert a force in the axial direction of the shaft, even if the compression force to the pressure-contacting surface of the rod-shaped body by the elastic ring body, that is, the elasticity, is set strongly, the shaft And the assembled state of the holder body can be stably secured without any trouble by the engaging portion and the engaged portion engaged with each other by the elastic deformation caused by the insertion of the shaft into the fitting hole and the subsequent shot. With each other, the shaft can be easily and appropriately assembled to the holder body.

In invention of Claim 4, two or more rod-shaped bodies in the hinge apparatus of Claim 1, Claim 2, or Claim 3 were formed, It was characterized by the above-mentioned.

According to this structure, since the part of the 1st hinge structure pressed against the contact surface of the axial hole which comprises the said 2nd hinge structure can be increased, the resistance in the said rotation and the theft feeling in the said predetermined rotational position are strengthened. You can.

In invention of Claim 5, the elastic body in the hinge apparatus of Claim 1, Claim 2, Claim 3, or Claim 4 was an elastic ring body fitted to the shaft. It was characterized by the above-mentioned.

According to this configuration, the elastic body can be easily assembled to the shaft, that is, the elastic body can be easily disposed between the shaft and the rod-shaped body, and the pressure contact of the rod-shaped body is changed by changing the number of elastic ring bodies to be fitted. Since the pressure welding force on the surface can be easily changed, the resistance in the rotation and the theft in the predetermined rotational position can be easily adjusted as necessary.

In invention of Claim 6, the shaft hole which comprises the 2nd hinge structure in the hinge apparatus of Claim 1, Claim 2, Claim 3, Claim 4 or Claim 5 is provided in the fitting hole formed in the 2nd member. It is supposed that it is formed in the holder body fitted and fixed.

According to such a structure, the holder body which comprises a 2nd hinge structure can be fitted to the fitting hole formed in the said 2nd member, and can be fixed to the said 2nd member by one touch.

Embodiment of the Invention

Hereinafter, typical embodiment of this invention is described based on FIG. 1 thru | or FIG.

FIG. 1 shows each member constituting the hinge device H according to the present embodiment in a perspective view. 2 shows the hinge device H; A place where fitting holes P1a of the holder body 11 are formed in the first member P1 to which the first hinge member 1 constituting the hinge device H is fixed; Where the fitting hole P2a of the holder body 22 is formed in the second member P2 to which the second hinge structure 2 constituting the hinge device H is fixed; It is shown. FIG. 3 shows the hinge device H as viewed from the side, and FIG. 4 shows the hinge device H as seen from the left side in FIG. FIG. 5 shows in cross section a state in which the first member P1 and the second member P2 are rotatably coupled by the hinge device H. As shown in FIG.

6 to 9 each show a holder body 11 constituting the first hinge structure 1, and FIGS. 10 to 12 show a shaft 10 constituting the first hinge structure 1. Each is shown. 13 and 14 show the holder bodies 22 constituting the second hinge structure 2, respectively.

15 to 18 show the hinge device H in a cross section with one end of the shaft 10 in an easy-to-understand manner so as to understand the operation of the hinge device H, respectively (Figs. The state in which the center part of the said shaft 10 is made into the cross section ((b) of each angle), and the 1st member P1 couple | bonded rotatably by the said hinge apparatus H (in each mobile phone, The state in which the talker T1 of (T)} and the second member P2 (the sign language T2 of the cellular phone T in each case) are viewed from the side (c in each case). It is shown with each rotational position of the member P2.

The hinge apparatus H which concerns on this embodiment consists of the 1st hinge structure 1 fixed to the 1st member P1, and the 2nd hinge structure 2 fixed to the 2nd member P2, The said It is used to rotatably couple the second member P2 to the first member P1 or the first member P1 to the second member P2 about the hinge device H. . In addition, the hinge device (H) is configured to impart a sense of equator resistance to the rotation, and to give a sense of theft to the engagement state of the first member (P1) and the second member (P2) at a predetermined rotational position. It is.

The first hinge structure (1) has a state in which (1) the shaft (10) and (2) are arranged substantially parallel to the shaft (10) and a slide for varying the distance from the shaft (10) is allowed. An elastic body disposed between the shaft 10 and the rod-shaped body 12 so that the rod-shaped body 12 to be supported and (3) always hold the rod-shaped body 12 in a direction away from the shaft 10 ( 13).

The second hinge structure 2 is fitted with the shaft 10 and the rod-shaped body 12 constituting the first hinge structure 1, and the inner surface of the second hinge structure 2 is supported by the support of the elastic body 13. The rod-shaped body 12 is provided with the shaft hole 20 used as the contact surface 20a which is crimped | bonded.

Thereby, according to the hinge apparatus H which concerns on this embodiment, the said 2nd member P2 is made with respect to the said 1st member P1, or the 1st member P1 is made with respect to the 2nd member P2. The hinge device H can be rotatably coupled to the center. That is, the first member P1 and the second member P2 may be coupled to each other by the hinge device H such that the rotation is performed around the shaft 10.

In addition, the rotation can be performed while pressing the rod-like body 12 on the pressure-contacting surface 20a by the elastic body 13, thereby providing an equator resistance to the rotation. More specifically, at each position where the rotation is stopped, a resistance that can maintain the stop state of the rotation at each of these positions can be provided (so-called free stop function).

Moreover, at least a part of the press contact surface 20a in the shaft hole 20 which comprises the said 2nd hinge structure 2 is the said 1st member P1 by the hinge apparatus H in a predetermined rotational position. ) And an inclined pressure contact surface 20b formed by the concave element 21 formed in the shaft hole 20 so as to give a moderation feeling to the engaged state of the second member P2.

Thereby, according to the hinge apparatus H which concerns on this embodiment, in the said predetermined rotational position, the said rod-shaped body 12 always carried by the said elastic body 13 in the direction away from the said shaft 10 is carried out. The inclined pressure contact surface 20b can be brought into contact with each other, and the rod-shaped body 20b does not exert a force of a magnitude enough to overcome the inclined pressure contact surface 20b at the predetermined rotational position. As long as it does not, the said rotation cannot be made.

For example, as shown in FIGS. 15-18, the 1st hinge structure 1 which comprises the said hinge apparatus H is made into the talk part T1 side (dial button) of the mobile telephone T of a two-stage folding type. And the second hinge member 2 to the receiver T2 side (the side where the liquid crystal display panel, etc. is formed) of the mobile phone T, thereby fixing the receiver T1 and the receiver T2. ), The concave element 21 is formed at two opposite positions of the shaft hole 20, and the rod-shaped body 12 is provided on both sides with the shaft 10 interposed therebetween. The rod-shaped body 12 is fitted into the two recesses 21 and 21 in the rotational position (hereinafter referred to as position / hereinafter, the maximum closing position in Fig. 15) in which the hydration part T2 is closed. In this case, the theft can be imparted to the combined state of the receiver T2 and the receiver T1 in the maximum closed position. There. Further, in the rotational position (hereinafter referred to as the position / hereafter in Fig. 18, the maximum opening position) in which the hydration section T2 is opened most, it is fitted to one side of two recesses 21 and 21 at the maximum closing position. One side of the rod-shaped body 12 that has been inserted is inserted into the other side of the two recesses 21 and 21, and the rod-shaped body 12 which is inserted into the other side of the two recesses 21 and 21. (2) can be inserted into one of the two recesses (21, 21), thereby giving the feeling of theft again to the combined state of the receiver (T2) and the transmitter (T1) in the maximum open position. can do. Further, the equator may be imparted to the rotation of the receiver T2 from the maximum closed position toward the maximum open position and the rotation of the receiver T2 from the maximum open position toward the maximum closed position, respectively (FIG. 16, FIG. 17).

In the hinge device H according to the present embodiment, the shaft 10 and the rod-shaped body 12 constituting the first hinge member 1 are provided with the resistance of the equator to the rotation and the theft. Since it is secured by the elastic body 13 arrange | positioned in between, the shaft 10, the rod-shaped body 12, and the 2nd hinge structure 2 through which the said shaft 10 and the rod-shaped body 12 are inserted are passed. Since the dimension in the axial direction of the shaft 10 in the shaft hole 20 to be configured can be shortened without difficulty, the dimension in the rotational axis direction of the hinge device H can be made as small as possible. Thereby, the hinge apparatus H in this embodiment is various articles which consist of the 1st and 2nd member P1, P2 which cannot make the application part of the said hinge apparatus H sufficient width. Typically, the mobile phone T has a feature that can be favorably used in the combination of the receiver T2 and the transmitter T1 in the rotational state described above.

More specifically, in this embodiment, the said 1st hinge structure 1 is

(1) a pair of holder bodies 11 and 11 fitted into the fitting holes P1a of the first member P1 and fixed to the first member P1;

(2) one said shaft 10,

(3) two rod-like bodies 12,

(4) It consists of two elastic ring bodies 13a and 13a which comprise the said elastic body 13 fitted in the said shaft 10. As shown in FIG.

The holder body 11 has a disk-like appearance, and the pair of holder bodies 11 and 11 are configured in substantially the same dimensions and in the same shape.

Moreover, the said holder body 11 has the boss-shaped part 11a which fits in the shaft hole 20 of the holder body 22 mentioned later which comprises the said 2nd hinge structure 2 in the substantially center of the one surface side. Equipped. And the edge part of the said shaft 10 from the substantially center of the said boss part 11a to the substantially center of the other surface side of the holder body 11 (the side in which the said boss part 11a is not formed). In the penetrating state. The insertion hole 11b is formed in a cross section in a direction orthogonal to its extension direction, and the contour of the hole is substantially circular on the boss-shaped portion 11a side, but the insertion hole 11b is provided. In the inside, the shape of the hole is formed into a long hole by a pair of protrusions 11c and 11c projecting inward of the insertion hole 11b on the way, and the holder body 11 from above. The long hole 11d is formed between the openings on the other side of the surface.

In addition, in the opening of the other surface of the holder body 11 in the fitting hole 11b, a fitting portion engaged with the engaging portion 10b formed at the end of the shaft 10 to be described later ( 11e) is formed. In the present embodiment, the fitting portion 11e is fitted with the fitting holes 11b from short sides on both sides of the fitting hole 11b that form a long hole in the other surface of the holder body 11. It is comprised as 11f of engagement protrusions which protrude inward.

Further, the holder body has a slide groove 11g that is formed in a long groove shape formed in a direction proximate to the insertion hole 11b on both sides of the insertion hole 11b on one surface side thereof. Doing.

In addition, the holder 11 has an outer shape in a state viewed from the front, and has a pair of flat portions 11h and 11h at opposite positions, and the pair of flat portions 11h and 11h. It is comprised so that each may have recessed part 11i, and the said holder body 11 is fitted in the fitting hole P1a which modeled the outer shape of the said holder body 11 formed in the said 1st member P1. In this way, the first member P1 can be fixed to the first member P1 with one touch without causing movement in the circumferential direction along the inner surface of the fitting hole P1a.

In addition, in the present embodiment, the shaft 10 has a central portion 10a constituting a cylindrical shape, and both ends of the shaft 10 are in the cross section in a direction orthogonal to the axial direction of the shaft 10. It is comprised so that the elongate shape which modeled the inner shape of 11 d of long hole-shaped parts of insertion hole 11b of 11) may be comprised.

In addition, engaging portions 10b engaged with the engaged portions 11e of the holder body 11 are formed at both ends of the shaft 10, respectively, so that the ends of the shafts 10 are formed. By fitting into the fitting hole 11b of the holder body, it can be engaged with the engaged portion 11e. In the present embodiment, the engaging portion 10b is configured as an engaging recess 10c that penetrates inwardly from the short side of both sides at the end of the shaft 10.

In addition, in this embodiment, the said rod-shaped body 12 is comprised as the pin-shaped object which has the thickness accommodated in the groove width of the slide groove 11g of the said holder body 11, and makes the cross section circular. Increasing the number of the rod-shaped bodies 12 can increase the portion of the first hinge member 1 that is pressed against the pressure-contacting surface of the shaft hole 20 constituting the second hinge member 2. It is possible to reinforce the feeling of resistance and the theft at the predetermined rotational position.

The elastic ring body 13 is configured in a donut shape having a circular cross section in the present embodiment, and its inner diameter is almost equal to or slightly smaller than the outer diameter of the central portion 10a forming the cylindrical shape of the shaft 10. Since it is comprised small, it fits in the center part 10a of the said shaft 10, and is accommodated in the center part 10a of the said shaft 10 inside. When the elastic body 13 is configured as such an elastic ring body 13a, the elastic body 13 is assembled to the shaft 10, that is, the elastic body 13 between the shaft 10 and the rod-shaped body 12. ) Can be easily arranged, and the pressing force with respect to the pressure-contacting surface 20a of the rod-shaped body 12 can be easily changed by changing the number of elastic ring bodies 13a to be fitted. The resistance and the theft at the predetermined rotational position can be easily adjusted as necessary.

And in this embodiment, a pair of hooks which comprise the said engaging part 11e formed in the said elongate hole 11d in the fitting hole 11b of the said holder body 11 are carried out. The interval between the engaging protrusions 11f and 11f is configured to be narrower than the interval between the short sides of both sides at the end of the shaft 10, and the pair of engaging protrusions 11f and 11f are the same. The end of the shaft 10 is allowed to be inserted while being elastically deformed as the shaft 10 is inserted into the fitting hole 11b, and the shot is caused by the bullet in the position where the shaft 10 is fully inserted. The engagement recesses 10c formed at the ends of the shaft 10 are engaged with each other. The provision of the elastic deformation characteristic to the engaging protrusion 11f side of the holder body 11 can be ensured by typically making the holder body 11 a plastic molded product by injection molding or the like.

In addition, in this embodiment, the said 2nd hinge structure 2 is fitted in the fitting hole P2a of the said 2nd member P2, and is fixed to the said 2nd member P2, and the said shaft hole ( It is comprised by the holder body 22 provided with 20).

The holder body 22 has a disk-like appearance, and the shaft hole 20 is provided in a penetrating form from one surface side to the other surface side.

The shaft hole 20 is configured in such a size that the boss portion 11a of the holder body 11 can be inserted inward from the opening portion, and the boss portion 11 inserted in this manner is inserted into the shaft hole 20. The outer circumference of the holder 22 is configured to allow the holder body 22 to be rotated or relative rotated.

Moreover, in the inside of this shaft hole 20, the recessed part 21 is formed in the opposing position which centered the center of the said shaft hole 20, respectively. The recess 21 opens the groove end on one side to the outside from the hole edge on one side of the shaft hole 20, and opens the other groove end to the outside from the hole edge on the other side of the shaft hole 20. It is configured to form a groove shape. Moreover, the space | interval between both groove walls 21b and 21b is inclined so that it may become narrow gradually toward the groove floor 21a, and the said inclined shape over the extension direction of the said axial hole 20 by the inclined groove wall 21b in this way. The pressure contact surface 20b is formed.

The shaft hole 20 has an inner circumferential surface between the recesses 21 and 21 as an arc-shaped surface along an arc of an imaginary circle r2, and the arc-shaped surface functions as the pressure contact surface 20a. .

In addition, in this embodiment, the diameter of the imaginary circle r1 which passes through the groove bottom 21a of the pair of recesses 21 and 21, respectively, is a pair of pairs formed in the holder body 11. The imaginary circle r3 is substantially the same as the diameter of the imaginary circle r3 passing through the groove end on the side facing the flat portion 11h in the slide grooves 11g and 11g, respectively, and along the pressure contact surface 20a. The imaginary circle r4 through which the diameter of the circle | round | yen r2 passes through the groove | channel end of the side toward the said insertion hole 11b in the pair of slide grooves 11g and 11g formed in the said holder body 11, respectively. ) Is larger than the diameter.

Moreover, the holder body 22 which comprises the said 2nd hinge structure 2 has a pair of flat part 22a, 22a in the opposite position in the outline shape which looked at this holder body 22 from the front. In addition, a fitting hole is formed so as to have a concave portion 22b between the pair of flat portions 22a and 22a, and is modeled after the outer shape of the holder body 22 formed on the second member P2. By fitting the holder body 22 to P2a, it is possible to fix it to the second member P2 with one touch, without causing a circumferential movement along the inner surface of the fitting hole P2a. It is supposed to be.

In this embodiment, this pair of holder bodies 11 and 11 which comprise the said 1st hinge structure 1 are made to face the side in which the said boss shape part 11a was formed. The shaft 10 is fitted between the holder bodies 11 and 11 and the shaft 10 in which the elastic ring body 13a is inserted into the central portion 10a and the two rod-shaped bodies 12 and 12. And one side of the shaft hole 20 between the holder bodies 11 and 11 so that the two rod-shaped bodies 12 and 12 are inserted through the shaft hole 20. Hinge by fitting the boss-shaped part 11a of the said holder body 11 of the said one side from the opening part, and fitting in the state which fitted the boss-shaped part 11a of the said holder body 11 of the said other side from the other opening part. It is intended to form the device (H).

The assembly mentioned above is demonstrated concretely.

First, the end portion of one side of the shaft 10 is inserted into the fitting hole 11b of one pair of the holder bodies 11 and 11 from the boss-shaped portion 11a side, and the position is completely inserted. The engagement protrusion 11f is engaged with the engagement recess 10c, and the other side of the shaft 10 is inserted into the insertion hole 11b on the other side of the pair of holder bodies 11 and 11. The pair of holder bodies 11, by one-touch, is engaged with the engaging projection 11f by the engaging recess 10c in a position where an end portion is inserted from the boss-shaped portion 11a side and fully inserted. 11, the pair of holder bodies 11 and 11 and the shaft 10 are assembled so that the center portion 10a of the shaft 10 is disposed between them.

At the same time as the assembly, one side end of one of the two rod-shaped bodies 12 and 12 is formed on one side of two slide grooves 11g and 11g formed on one side of the pair of holder bodies 11 and 11. The other end of one side of the two rod-shaped bodies 12 and 12 into one side of two slide grooves 11g and 11g formed on the other side of the pair of holder bodies 11 and 11, One end of the other side of the two rod-shaped bodies 12 and 12 is inserted into the other side of the two slide grooves 11g and 11g formed on one side of the pair of holder bodies 11 and 11, and the 1 The other end of the two rod-shaped bodies 12 and 12 is inserted into the other side of the two slide grooves 11g and 11g formed on the other side of the pair of holder bodies 11 and 11.

As a result, the pair of holder bodies 11 and 11 are allowed to slide along the slide groove 11g so that the two rod-shaped bodies 12 and 12 respectively vary the distance from the shaft 10. The two rod-shaped bodies 12 and 12 are assembled in between.

The two rod-shaped bodies 12 and 12 assembled in this way are respectively inserted into the rod-shaped bodies 12 and 12 together with the shaft 10 by the elastic ring body 13a. It is always crimped | bonded by the said contact surface 20a of the axial hole 20 of the holder body 22. As shown in FIG.

Each of the two rod-shaped bodies 12 and 12 has the slide groove 12 at the position where the two rod-shaped bodies 12 and 12 are inserted into the recess 21 by the finger of the elastic ring body 13a. 11g) is crimped to the groove bottom 21a with the groove bottom 21a of the recess 21 as the pressure-contacting surface 20a in a state where the end thereof is positioned at the groove end of the flat portion 11h side. In addition, when a force in a direction of rotating or relatively rotating the first member P1 or the second member P2 is applied, the groove wall 21b of the recess 21 is provided with the inclined pressure contact surface ( 20b) is pressed against the groove wall 21b to resist the force, thereby generating the sense of theft. Moreover, in this embodiment, the space | interval between the pair of groove wall 21b, 21b which comprises the said recess 21 is wider than the thickness of the rod-shaped body 12, and the said recess 21 is a rod-shaped body. The first member P1 and the second member P2 are engaged in a state in which the clearance between the first member P1 and the second member P2 is provided in a predetermined rotational position in which the 12 is interposed therebetween (Figs. 15 and 18). .

In addition, the force in the direction of rotating or relatively rotating the first member P1 or the second member P2 is such that the rod-shaped body 12 can pass over the inclined pressure contact surface 20b. In the case of acting, the two rod-shaped bodies 12 are moved to the state where the end is positioned at the groove end of the insertion hole 11b side in the slide groove 11g, respectively. Since it is more strongly squeezed into the ring body 13a and pressed against the pressure-contacting surface 20a between the pair of recesses 21 and 21, the angle during the subsequent fitting into the recess 21 The equator resists at the rotational position (Figs. 16 and 17).

In the hinge device H configured as described above, since the elastic ring body 13a does not exert a force in the axial direction of the shaft 10, the rod-shaped body 12 by the elastic ring body 13a. Even if the pressing force, that is, the elastic force, against the pressure-contacting surface 20a of the c) is strongly set, the shaft 10 is inserted into the fitting hole 11b in the assembled state between the shaft 10 and the holder body. Therefore, the engaging portion 10b (engaging concave portion 10c in the present embodiment) and the engaged portion 11e (engaged in the present embodiment) engaged with each other by the resulting elastic deformation and subsequent shots. The alignment protrusion 11f} can be stably secured without any trouble.

And in this embodiment, the said fitting hole P2a which formed the holder member 22 which comprises the said hinge structure 2 in the hinge apparatus H formed in this way in the 2nd member P2. The first hinge member (1) by fitting the holder body (11) constituting the first hinge member (1) to the fitting hole (P1a) formed in the first member (P1). 1) can be fixed to the first member P1 and the second hinge member 2 to the second member P2 with one touch, and the first member P1 and the second member P2 are The equator can be easily rotated in a state of maintaining the equator's resistance to the rotation and the theft at the predetermined rotational position.

In addition, in the example shown in FIG. 2, one side of the pair of holder bodies 11 and 11 which comprise the 1st hinge structure 1 fits in the fitting hole P1a formed in the 1st member P1. In addition to the baggage, the other side of the pair of holders 11 and 11 constituting the first hinge structure 1 has a second hinge structure 2 in the fitting hole P2a formed in the second member P2. The fitting member P2a of the second member allows free rotation of the holder member 11 constituting the first hinge member 1, although the fitting member P2a of the second member is fitted together. It is comprised so that it may have a smooth inner peripheral surface P2b.

According to the hinge device according to the present invention, in the hinge device, the dimension along the rotational axis direction of the first member and the second member rotatably assembled by the hinge device can be made as small as possible.

The hinge device may further include a shaft, a rod-shaped body, and an elastic body disposed between the shaft and the rod-shaped body, constituting a first hinge member fixed to the first member in the shaft hole of the second hinge member fixed to the second member. It is constructed by inserting and passing, and since the elastic force by the elastic body does not act in the axial direction of the shaft, it is not necessary to have a separate firm fall prevention means in order to maintain this insertion state, it is easy to assemble the hinge structure In addition, the number of components can be reduced as a whole.

1 is an exploded perspective view of the hinge device (H)

2 is a perspective view showing the hinge device H and the first member P1 and the second member P2 separated by the hinge device H separately.

3 is a side view of the hinge device (H)

4 is a view of the hinge device H as seen from the left side in FIG.

5 is a cross-sectional view showing a state of use of the hinge device (H).

FIG. 6: is a figure which shows one side surface (boss-shaped part formation side) of the holder body 11 which comprises the 1st hinge structure 1 (front view)

FIG. 7: shows the other side surface of the holder body 11 which comprises the 1st hinge structure 1. FIG.

8 is a partially broken plan view of the holder body 11 constituting the first hinge member 1.

9 is a partially broken side view of the holder body 11 constituting the first hinge member 1.

10 is a plan view of the shaft 10 constituting the first hinge structure 1.

11 is a side view of the shaft 10 constituting the first hinge structure 1.

12 is a front view of the shaft 10 constituting the first hinge structure 1.

13 is a front view of the holder body 22 constituting the second hinge structure 2.

14 is a side view of the holder body 22 constituting the second hinge member 2.

Fig. 15 is a cross-sectional view a and b showing the state of the hinge device H in the one-turn position and the mobile phone T in which the constituent members are joined by the hinge device H in the one-turn position. Drawing showing state (c)

Fig. 16 is a sectional view (a and b) showing the state of the hinge device H in the one rotation position (a rotation position where the receiver T2 of the cellular phone T is opened than in Fig. 15) and the one rotation position. Drawing (c) which shows the state of the cellular phone T which combined the structural member with the hinge apparatus H in FIG.

Fig. 17 is a sectional view (a and b) showing the state of the hinge device H in the one rotation position (a rotation position in which the receiver T2 of the cellular phone T is opened more than in Fig. 16) and the one rotation position. (C) which shows the appearance of a cellular phone T in which the constituent members are joined by the hinge device H in FIG.

Fig. 18 is a cross-sectional view (a and b) showing the state of the hinge device H in the one rotation position (the rotation position in which the receiver T2 of the mobile phone T is opened to the maximum) and in the one rotation position. Drawing (c) which shows the state of the mobile phone T which couple | bonded the component member by the hinge apparatus H of FIG.

* Description of the symbols for the main parts of the drawings *

H-hinge device P1-first member

P2-Second member 1-First hinge construct

10-shaft 12-rod-shaped

13-elastic body 2-second hinge structure

20-Shaft bore 20a-Pressure contact

20b-Inclined contact 21-Recessed

Claims (6)

A hinge device comprising a first hinge structure fixed to a first member and a second hinge structure fixed to a second member, The first hinge structure, Shaft, A rod-shaped body disposed substantially parallel to the shaft and supported in a state where a slide for varying a distance from the shaft is permitted; An elastic body disposed between the shaft and the rod-shaped body so as to constantly hold the rod-shaped body in a direction away from the shaft, The second hinge structure, The shaft and the rod-like body constituting the hinge structure is inserted and passed through, and the inner surface is provided with a shaft hole which is a pressing contact surface for pressing the rod-shaped body by the press of the elastic body, Further, at least a part of the pressure-contacting surface in the shaft hole is formed in the shaft hole so as to give a moderation to the engagement state of the member of the first member and the second member by the hinge device at a predetermined rotational position. The hinge device characterized in that the inclined pressure contact surface formed by. The method according to claim 1, The first hinge structure, Has a holder body fitted into and fixed to a fitting hole formed in the first member, While the shaft is fixed to the holder body, The end of the rod-shaped body is accommodated in the slide groove formed in the holder body, the hinge device characterized in that the rod-shaped body is supported. The method according to claim 2, In the holder body, An elastic deformation allows the end of the shaft to be fitted in, and an insertion hole is provided with a fitting portion engaged with the engaging portion formed at the end of the shaft by the shot in the position where the shaft is fully inserted. There is a hinge device. The method according to any one of claims 1 to 3, A hinge device, characterized in that two or more rod-shaped bodies are formed. The method according to any one of claims 1 to 3, The hinge device, characterized in that the elastic body is an elastic ring body fitted to the shaft. The method according to any one of claims 1 to 3, A hinge device, wherein the shaft hole constituting the second hinge structure is formed in a holder body fitted into the fitting hole formed in the second member and fixed.