JP6916728B2 - Closure opening / closing mechanism and electronic devices - Google Patents

Description

The present disclosure relates to a lid opening / closing mechanism and an electronic device including the lid opening / closing mechanism.

Conventionally, as an electronic device provided with this type of lid opening / closing mechanism, for example, one disclosed in Patent Document 1 (Japanese Unexamined Patent Publication No. 2010-80198) is known.

Patent Document 1 includes a lid that can open and close an accessory connector (hereinafter referred to as a shoe angle) for attaching an accessory device such as a light or an external microphone, and when the lid is opened, the lid is attached as an accessory. A structure for engaging and fixing the device is disclosed.

JP-A-2010-80198

Electronic devices such as video cameras are required to be smaller and thinner. On the other hand, since the size of the accessory device does not change, it is difficult to reduce the shoe angle. Further, it is required to separate the hinge shaft of the lid from the shoe angle when the lid is opened so that the hinge shaft of the lid does not get in the way when the accessory device is attached to the shoe angle.

Therefore, when the lid is closed, the hinge shaft of the lid is arranged closer to the shoe angle, and when the lid is opened, the hinge shaft of the lid is slid away from the shoe angle. Is being considered. According to this configuration, the hinge shaft of the lid can be separated from the shoe angle by sliding the hinge shaft of the lid, and the electronic device main body provided with the shoe angle can be made smaller and thinner. It will be possible.

However, in the above configuration, the mechanism for sliding and moving the hinge shaft of the lid tends to be complicated, the lid can be opened more easily, and the lid is held in the open position without rattling. There is room for improvement in terms of doing so.

An object of the present disclosure is to solve the above-mentioned problems, and to provide a lid opening / closing mechanism capable of more easily opening the lid and holding the lid in the open position without rattling. To do.

The lid opening / closing mechanism according to the present disclosure includes a support base and
A link member having a first hinge shaft configured to be slidable to a first position and a second position along the support substrate, and a second hinge shaft arranged parallel to the first hinge shaft. When,
A lid that is rotatably attached to the second hinge shaft and is movable between a closed position that covers a part of the support base and an open position that exposes a part of the support base.
A first urging member that urges the first hinge shaft in a first direction from the first position to the second position.
A second urging member that urges the lid body in a rotational direction in which the lid body separates from a part of the support substrate about the second hinge shaft.
A third urging member that urges the link member in the rotational direction about the first hinge axis, and a third urging member.
When the lid body is located at the open position, a regulating unit that engages with the link member and restricts the slide movement of the first hinge shaft from the second position to the first position in the second direction.
With
By engaging the lid body with the support base, the lid body is held in a state of being positioned at the closed position.
When the engagement between the lid body and the support base is released, the first hinge shaft slides from the first position to the second position by the urging force of the first urging member, and the first position. 3 The link member rotates in the rotational direction about the first hinge shaft by the urging force of the urging member, and the lid body is centered on the second hinge shaft by the urging force of the second urging member. The lid body is configured to move to the open position by rotating in the rotation direction.

According to the lid opening / closing mechanism of the present disclosure, the lid can be opened more easily, and the lid can be held in the open position without rattling.

It is a perspective view of the electronic device provided with the lid opening / closing mechanism which concerns on embodiment. It is an exploded perspective view which shows the parts related to an upper case and a lid body. It is a perspective view which shows the state which the lid body is located in a closed position. It is a perspective view which shows the state which the lid body is located in an open position. It is a perspective view which shows the state which removed the lid body from the state shown in FIG. It is a perspective view which looked at the structure in the vicinity of one 1st hinge shaft when the lid body is in a closed position, as seen from obliquely above. It is a perspective view which looked at the structure in the vicinity of one 1st hinge shaft when the lid body is in an open position, as seen from obliquely above. It is sectional drawing which shows the structure in the vicinity of one 1st hinge shaft when a lid body is positioned at a closed position. It is sectional drawing which shows the structure in the vicinity of one 1st hinge shaft when a lid body is positioned in an open position. It is sectional drawing which shows the structure in the vicinity of one engagement pin when a lid body is positioned at a closed position. It is sectional drawing which shows the structure in the vicinity of one engaging pin when a lid body is in an open position. It is a perspective view which looked at the structure in the vicinity of one 1st hinge shaft when the lid body is in a closed position from the diagonally lower side. It is a perspective view which looked at the structure in the vicinity of one 1st hinge shaft when the lid body is in an open position from the diagonally lower side. It is a perspective view which looked at the structure in the vicinity of a link member when a lid body is in a closed position, as seen from diagonally below. It is a perspective view which looked at the structure in the vicinity of a link member when a lid body is in an open position, as seen from diagonally below. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body. It is sectional drawing which shows the opening and closing operation of a lid body.

According to the first aspect of the present disclosure, the support substrate and
A link member having a first hinge shaft configured to be slidable to a first position and a second position along the support substrate, and a second hinge shaft arranged parallel to the first hinge shaft. When,
A lid that is rotatably attached to the second hinge shaft and is movable between a closed position that covers a part of the support base and an open position that exposes a part of the support base.
A first urging member that urges the first hinge shaft in a first direction from the first position to the second position.
A second urging member that urges the lid body in a rotational direction in which the lid body separates from a part of the support substrate about the second hinge shaft.
A third urging member that urges the link member in the rotational direction about the first hinge axis, and a third urging member.
When the lid body is located at the open position, a regulating unit that engages with the link member and restricts the slide movement of the first hinge shaft from the second position to the first position in the second direction.
With
By engaging the lid body with the support base, the lid body is held in a state of being positioned at the closed position.
When the engagement between the lid body and the support base is released, the first hinge shaft slides from the first position to the second position by the urging force of the first urging member, and the first position. 3 The link member rotates in the rotational direction about the first hinge shaft by the urging force of the urging member, and the lid body is centered on the second hinge shaft by the urging force of the second urging member. Provided is a lid opening / closing mechanism configured to rotate in the rotation direction and move the lid body to the open position.

According to the second aspect of the present disclosure, the lid is opposed to the urging force of the second urging member about the second hinge shaft from the state where the lid is located in the open position toward the closed position. When the link member is rotated in the direction opposite to the rotation direction, the link member rotates in the direction opposite to the rotation direction against the urging force of the third urging member about the first hinge axis, and the regulation is performed. The engagement between the portion and the link member is released, and the first hinge shaft is configured to slide and move from the second position to the first position against the urging force of the first urging member. The lid opening / closing mechanism according to the first aspect is provided.

According to the third aspect of the present disclosure, the lid is attached to the second hinge shaft so that there is a gap between the lid and the support substrate when the lid is located in the open position. The lid opening / closing mechanism according to the first or second aspect is provided.

According to a fourth aspect of the present disclosure, the link member comprises an engaging pin.
The lid according to any one of the first to third aspects, wherein the restricting portion is composed of a recess provided so as to engage with the engaging pin when the lid body is located in the open position. Provides an opening and closing mechanism.

According to the fifth aspect of the present disclosure, either one of the support substrate and the link member extends in the first direction to a position facing each other with a part of the support substrate sandwiched in a plan view. A pair of existing guide ribs are provided,
A pair of guide grooves extending in the first direction are provided on any one of the support substrate and the link member at positions facing each other with a partial region of the support substrate in plan view.
The link member according to any one of the first to fourth aspects, wherein the pair of guide ribs are configured to slide and move in the first direction by relatively moving in the pair of guide grooves. A lid opening / closing mechanism is provided.

According to the sixth aspect of the present disclosure, the first urging member is provided in the vicinity of any one of the pair of guide grooves.
A fifth, in which the gap between either one of the pair of guide grooves and the guide rib is wider than the gap between the guide rib and one of the pair of guide grooves provided in the vicinity of the first urging member. The lid opening / closing mechanism according to the embodiment is provided.

According to the seventh aspect of the present disclosure, the lid opening / closing mechanism according to any one of the first to sixth aspects, wherein the first urging member and the third urging member are integrated is provided. do.

According to the eighth aspect of the present disclosure, an electronic device provided with the lid opening / closing mechanism according to any one of the first to seventh aspects is provided.

Hereinafter, embodiments will be described in detail with reference to the drawings as appropriate. However, more detailed explanation than necessary may be omitted. For example, detailed explanations of already well-known matters and duplicate explanations for substantially the same configuration may be omitted. This is to avoid unnecessary redundancy of the following description and to facilitate the understanding of those skilled in the art.

It should be noted that the inventors intend to limit the subject matter described in the claims by those skilled in the art by providing the accompanying drawings and the following description in order to fully understand the present disclosure. It's not a thing.

Further, in the following, for convenience of explanation, terms indicating directions such as "up" and "down" are used assuming a state during normal use, but it means that the state of use of the electronic device of the present invention is limited. It's not something to do.

<< Embodiment >>
FIG. 1 is a perspective view of an electronic device including a lid opening / closing mechanism according to an embodiment. In an embodiment, the electronic device is an imaging device, more specifically a video camera.

As shown in FIG. 1, the electronic device 1 includes an opening / closing unit 2 including a liquid crystal monitor, a hinge unit 3, and an operation unit 4.

The opening / closing unit 2 is arranged so as to cover one side surface of the housing of the electronic device 1. In FIG. 1, the opening / closing unit 2 includes a liquid crystal monitor (not shown) on a main surface facing the housing of the electronic device 1.

The hinge unit 3 is arranged in front of one side surface of the housing of the electronic device 1. The hinge unit 3 has a mechanism for connecting the housing of the electronic device 1 and the opening / closing unit 2. The hinge unit 3 is configured so that the opening / closing unit 2 can be moved between an open state and a closed state with respect to the housing of the electronic device 1.

The operation unit 4 is provided in the upper case 5 that constitutes the upper part of the housing of the electronic device 1. The operation unit 4 is electrically connected to a terminal on an electronic control board arranged inside the housing of the electronic device 1. When the operation unit 4 is operated by the user, an operation instruction signal is transmitted from the operation unit 4 to the microcomputer on the electronic control board. As a result, the user can operate the electronic device 1 via the operation unit 4.

A lid (also referred to as a shoe cover) 6 is attached to the upper case 5 so as to be openable and closable. The configurations other than the parts related to the upper case 5 and the lid 6 are not particularly limited and are the same as those provided in the conventionally known electronic devices. Therefore, detailed description thereof will be omitted here. Hereinafter, the configurations of the parts related to the upper case 5 and the lid 6 will be described in more detail.

FIG. 2 is an exploded perspective view showing parts related to the upper case 5 and the lid 6. FIG. 3 is a perspective view showing a state in which the lid body 6 is located at the closed position 6A. FIG. 4 is a perspective view showing a state in which the lid body 6 is located at the open position 6B. FIG. 5 is a perspective view showing a state in which the lid 6 is removed from the state shown in FIG.

As shown in FIG. 2, the upper case 5 is provided with a through hole 5A. Below the through hole 5A, an upper frame 51 and a shoe base 52 are attached to the upper case 5 so as to close the through hole 5A. In the embodiment, the support base is composed of the upper case 5, the upper frame 51, and the shoe base 52. The upper frame 51 is provided with a shoe angle 53 in a part of the area located in the through hole 5A. The shoe angle 53 is an accessory connector for mounting an accessory device such as a light or an external microphone. In the embodiment, as shown in FIG. 4, the shoe angle 53 is fixed to the upper case 5 by a fastening member 54 such as a screw.

The shoe base 52 is a substantially C-shaped member in a plan view. At both ends of the shoe base 52, engaging claws 52A, which are examples of engaging portions protruding upward, are provided. The pair of engaging claws 52A provided on the shoe base 52 are configured to engage with the pair of engaging claws 61, which is an example of the engaged portion provided on the lid body 6. By engaging the pair of engaging claws 52A and the pair of engaging claws 61, the lid 6 is held at the closing position 6A covering the shoe angle 53, as shown in FIG. Further, when the pair of engaging claws 52A and the pair of engaging claws 61 are disengaged, the lid body 6 moves to the open position 6B where the shoe angle 53 is exposed, as shown in FIG.

The lid 6 is rotatably attached to the link member 7. In the embodiment, the lid 6 has a plurality of cylindrical bearing portions 62. As shown in FIG. 2 or 5, the link member 7 includes a main body portion 71, a first hinge shaft 72, and a second hinge shaft 73. The main body 71 is a substantially rod-shaped portion extending in a direction parallel to the first hinge shaft 72 and the second hinge shaft 73. The main body 71 has a plurality of cylindrical or U-shaped bearings 71A. By inserting the second hinge shaft 73 into the plurality of bearing portions 62 of the lid body 6 and the plurality of bearing portions 71A of the main body portion 71, the lid body 6 is rotatably attached to the link member 7. As shown in FIG. 2, the second hinge shaft 73 may be a separate component from the main body 71, or may be integrally formed with the main body 71.

Further, the second hinge shaft 73 is arranged between the bearing portion 62 and the bearing portion 71A as shown in FIG. 4 or 5 in a state where the lid body 6 is rotatably attached to the link member 7. It is provided so as to penetrate the torsion coil spring 81, which is an example of the second urging member. The torsion coil spring 81 is configured to urge the lid body 6 in the rotation direction R1 in which the lid body 6 is separated from the shoe angle 53 with the second hinge shaft 73 as the center.

The first hinge shaft 72 is arranged in parallel with the second hinge shaft 73. In the embodiment, the first hinge shaft 72 is divided into two, and is provided so as to project outward from one end and the other end in the extending direction of the main body 71. At the tip of each first hinge shaft 72, a link lever 74 extending in a direction intersecting (for example, orthogonal to) the first hinge shaft 72 is provided. An engaging pin 75 projecting in a direction parallel to the first hinge shaft 72 is provided at the tip of the link lever 74.

FIG. 6 is a perspective view of the configuration in the vicinity of one of the first hinge shafts 72 when the lid body 6 is located at the closed position 6A (see FIG. 3) as viewed diagonally from above. FIG. 7 is a perspective view of the configuration in the vicinity of one of the first hinge shafts 72 when the lid 6 is located at the open position 6B (see FIG. 4) as viewed diagonally from above. FIG. 8 is a cross-sectional view showing a configuration in the vicinity of one of the first hinge shafts 72 when the lid 6 is located at the closed position 6A. FIG. 9 is a cross-sectional view showing a configuration in the vicinity of one of the first hinge shafts 72 when the lid 6 is located at the open position 6B.

As shown in FIGS. 6 to 9, a torsion coil spring 82, which is an example of the third urging member, and a slide guide block 76 are provided around one of the first hinge shafts 72. One end 82A of the torsion coil spring 82 is attached to the slide guide block 76. The torsion coil spring 82 is provided so as to urge the link member 7 in the rotation direction R1 about the first hinge shaft 72. The slide guide block 76 is provided with a guide groove 76A into which the guide rib 5C, which will be described later, is inserted.

The other end of the torsion coil spring 82 is connected to one end of the torsion coil spring 83, which is an example of the first urging member. That is, in the embodiment, the torsion coil spring 82 and the torsion coil spring 83 are integrated. As a result, handleability and space efficiency are improved. The other end 83A of the torsion coil spring 83 is attached to the upper case 5 as shown in FIGS. 8 and 9.

The first hinge shaft 72 is configured to be slidable along the shoe base 52 to the first position 72A shown in FIGS. 6 and 8 and the second position 72B shown in FIGS. 7 and 9. The torsion coil spring 83 is provided so as to urge the first hinge shaft 72 in the first direction X1 from the first position 72A to the second position 72B. Further, the torsion coil spring 83 is provided so as to be housed in a recess 52B provided in the shoe base 52 so as to be recessed downward.

FIG. 10 is a cross-sectional view showing a configuration in the vicinity of one of the engaging pins 75 when the lid body 6 is located at the closing position 6A. FIG. 11 is a cross-sectional view showing a configuration in the vicinity of one of the engaging pins 75 when the lid 6 is located at the open position 6B.

As shown in FIGS. 10 and 11, a cam groove C1 for guiding the movement of the engaging pin 75 is provided between the lower surface of the upper case 5 and the upper surface of the shoe base 52. When the lid 6 moves to the closed position 6A and the open position 6B, the engaging pin 75 moves along the cam groove C1.

As shown in FIG. 11, a recess 5B, which is an example of the regulating portion, is provided on the lower surface of the upper case 5 so that the lid 6 engages with the engaging pin 75 when it is located at the open position 6B. There is. When the lid 6 is located at the open position 6B, the recess 5B engages with the engagement pin 75 from the second position 72B (see FIG. 9) to the first position 72A (see FIG. 8) of the first hinge shaft 72. Regulate movement in the second direction X2 to. As a result, the lid body 6 is held at the open position 6B without rattling.

When the lid body 6 is located at the open position 6B, the lid body 6 is attached to the second hinge shaft 73 so as to leave a gap between the lid body 6 and the upper case 5. As a result, it is possible to prevent the lid body 6 from coming into contact with the upper case 5, and to prevent the upper case 5 from being scratched and the appearance from being impaired.

FIG. 12 is a perspective view of the configuration in the vicinity of one of the first hinge shafts 72 when the lid 6 is located at the closed position 6A, as viewed from diagonally below. FIG. 13 is a perspective view of the configuration in the vicinity of one of the first hinge shafts 72 when the lid 6 is located at the open position 6B, as viewed from diagonally below. FIG. 14 is a perspective view of the configuration in the vicinity of the link member 7 when the lid body 6 is located at the closed position 6A, as viewed from diagonally below. FIG. 15 is a perspective view of the configuration in the vicinity of the link member 7 when the lid body 6 is located at the open position 6B, as viewed from diagonally below.

As shown in FIGS. 14 and 15, a pair of guide ribs 5C extending in the first direction X1 are provided on the lower surface of the upper case 5 at positions facing each other with the through hole 5A interposed therebetween in a plan view. There is. The slide guide block 76 of the link member 7 is provided with a guide groove 76A at a position corresponding to the guide rib 5C. That is, the link member 7 is provided with a pair of guide grooves 76A extending in the first direction X1 at positions facing each other with the through hole 5A interposed therebetween in a plan view.

Each guide rib 5C is inserted into the guide groove 76A of the slide guide block 76 described above. The link member 7 slides and moves more parallel to the first direction X1 and the second direction X2 by the pair of guide ribs 5C moving relative to each other in the pair of guide grooves 76A.

Further, in the embodiment, the other guide groove 76A (left side in FIG. 14) and the guide rib are located rather than the gap between one guide groove 76A (right side in FIG. 14) and the guide rib 5C provided in the vicinity of the torsion coil springs 82 and 83. The gap with 5C is wide. As a result, the operation of the other guide rib 5C moving relative to the guide groove 76A can easily follow the operation of the other guide rib 5C moving relative to the guide groove 76A. As a result, the link member 7 can slide and move more smoothly and in parallel.

Next, the operation of moving the lid 6 from the closed position 6A to the open position 6B will be described more specifically. 16A to 16I are cross-sectional views showing an opening / closing operation of the lid body 6.

As shown in FIG. 16A, when the lid 6 is located at the closed position 6A, the above-mentioned torsion coil springs 81 and 83 are in a state of having urging forces, respectively. In this state, when the lid body 6 is lifted away from the upper case 5 to disengage the lid body 6 from the upper case 5, the lid body is disengaged by the urging force of the torsion coil spring 81 as shown in FIG. 16B. 6 starts to rotate in the rotation direction R1 about the second hinge shaft 73. At this time, the urging force of the torsion coil spring 83 causes the first hinge shaft 72 to start sliding from the first position 72A to the first direction X1. Further, as the first hinge shaft 72 slides, the engaging pin 75 connected to the first hinge shaft 72 via the link lever 74 opposes the urging force of the torsion coil spring 82 and causes the cam groove C1. Start moving along.

After that, as shown in FIGS. 16C to 16H, the lid 6 is further rotated in the rotation direction R1 about the second hinge shaft 73 by the urging force of the torsion coil spring 81. Further, the urging force of the torsion coil spring 83 further moves the first hinge shaft 72 in the first direction X1, and the engaging pin 75 moves to the downstream end of the cam groove C1 in the first direction X1.

After that, as shown in FIG. 16I, the lid 6 is further rotated in the rotation direction R1 about the second hinge shaft 73 by the urging force of the torsion coil spring 81, and a part of the lid 6 is the main body of the link member 7. By engaging with 71, the rotation of the lid 6 is stopped. At this time, the first hinge shaft 72 reaches the second position 72B by the urging force of the torsion coil spring 83. Further, the urging force of the torsion coil spring 82 causes the link member 7 to rotate in the rotation direction R1 about the first hinge shaft 72, and the engaging pin 75 moves into the recess 5B. As a result, the lid body 6 is held at the open position 6B.

Next, the operation of moving the lid 6 from the open position 6B to the closed position 6A will be described more specifically. The operation of moving the lid 6 from the open position 6B to the closed position 6A is opposite to the operation of moving the lid 6 from the closed position 6A to the open position 6B.

As shown in FIG. 16I, from the state where the lid 6 is located at the open position 6B, the direction is opposite to the rotation direction R1 against the urging force of the torsion coil spring 81 about the second hinge shaft 73 toward the closing position 6A. The lid 6 is rotated. At this time, the force for rotating the lid 6 also normally acts to push the second hinge shaft 73 diagonally downward.

As a result, the link member 7 rotates about the first hinge shaft 72 in the direction opposite to the rotation direction R1 against the urging force of the torsion coil spring 82, and the engaging pin 75 is recessed as shown in FIG. 16H. Apart from 5B, the engagement state of the link member 7 is released. Further, the first hinge shaft 72 slides and moves in the second direction X2, which is the direction opposite to the first direction X1, against the urging force of the torsion coil spring 83. Along with the slide movement, the engaging pin 75 moves in the cam groove C1 in the order shown in FIGS. 16H, 16G, 16F, 16E, 16D, 16C, 16B, and 16A, and the lid 6 The engaging claw 61 engages with the engaging claw 52A of the shoe base 52. As a result, the lid body 6 is held at the closing position 6A.

According to the embodiment, only by disengaging the engaging claw 61 of the lid 6 and the engaging claw 52A of the shoe base 52, the lid 6 is automatically driven by the urging force of the torsion coil springs 81, 82, 83. Can be moved from the closed position 6A to the open position 6B. Therefore, the lid 6 can be opened more easily.

Further, according to the embodiment, when the lid 6 is located at the open position 6B, the engaging pin 75 engages with the recess 5B to restrict the movement of the first hinge shaft 72 in the second direction X2. As a result, the lid body 6 can be held at the open position 6B without rattling.

Further, according to the embodiment, by moving the lid body 6 from the open position 6B toward the closed position 6A, the force generated during the movement is used to resist the urging force of the torsion coil springs 81, 82, 83. Then, the link member 7 can be moved and the lid body 6 can be held at the closing position 6A. That is, the lid 6 can be closed more easily without performing complicated operations.

The present disclosure is not limited to the above-described embodiment, and can be implemented in various other embodiments. Further, for example, in the above, when the lid 6 is located at the open position 6B, the engagement pin 75 of the link member 7 and the recess 5B of the upper case 5 are engaged with each other, so that the second hinge shaft 72 is second. It is assumed that movement in direction X2 is restricted, but the present disclosure is not limited to this. When the lid body 6 is located at the open position 6B, the movement of the first hinge shaft 72 in the second direction X2 may be restricted. For example, the link member 7 is provided with a concave portion, the upper case 5 is provided with an engaging pin, and the concave portion and the engaging pin are engaged with each other to restrict the movement of the first hinge shaft 72 in the second direction X2. It may be configured in.

Further, in the above description, the upper case 5 is provided with a pair of guide ribs 5C, and the link member 7 is provided with a pair of guide grooves 76A, but the present disclosure is not limited to this. The link member 7 may be configured to slide and move in the first direction X1. For example, the upper case 5 may be provided with a pair of guide grooves, and the link member 7 may be provided with guide ribs. Further, for example, instead of the upper case 5, the shoe base 52 may be provided with a guide rib or a guide groove.

Further, in the above description, one torsion coil spring 82 and one 83 are provided, but the present disclosure is not limited to this. For example, a pair of torsion coil springs 82 and 83 may be provided at positions facing each other across the shoe angle 53 in a plan view.

As described above, an embodiment has been described as an example of the technique in the present disclosure. To that end, the accompanying drawings and detailed explanations have been provided. Therefore, among the components described in the attached drawings and the detailed description, not only the components essential for solving the problem but also the components not essential for solving the problem in order to exemplify the above-mentioned technology. Can also be included. Therefore, the fact that those non-essential components are described in the accompanying drawings and detailed description should not immediately determine that those non-essential components are essential.

Further, since the above-described embodiment is for exemplifying the technique in the present disclosure, various changes, replacements, additions, omissions, etc. can be made within the scope of claims or the equivalent scope thereof.

According to the lid opening / closing mechanism according to the present disclosure, the lid can be opened more easily, and the lid can be held in the open position without rattling. Therefore, not only electronic devices but also various devices can be held. It is useful as a lid opening / closing mechanism for the device.

1 Electronic equipment 2 Opening and closing unit 3 Hinge unit 4 Operation part 5 Upper case 5A Through hole 5B Recess 5C Guide rib 6 Lid 6A Closure position 6B Open position 7 Link member 51 Upper frame 52 Shoe base 52A Engagement part 52B Recess 53 Shoe angle 54 Fastening member 61 Engagement claw 62 Bearing part 71 Main body part 71A Bearing part 72 Hinge shaft 72A First position 72B Second position 73 Hinge shaft 74 Link lever 75 Engagement pin 76 Slide guide block 76A Guide groove 81, 82, 83 Torsion coil spring 82A one end 83A other end C1 cam groove

Claims (8)

With the support substrate,
A link member having a first hinge shaft configured to be slidable to a first position and a second position along the support substrate, and a second hinge shaft arranged parallel to the first hinge shaft. When,
A lid that is rotatably attached to the second hinge shaft and is movable between a closed position that covers a part of the support base and an open position that exposes a part of the support base.
A first urging member that urges the first hinge shaft in a first direction from the first position to the second position.
A second urging member that urges the lid body in a rotational direction in which the lid body separates from a part of the support substrate about the second hinge shaft.
A third urging member that urges the link member in the rotational direction about the first hinge axis, and a third urging member.
When the lid body is located at the open position, a regulating unit that engages with the link member and restricts the slide movement of the first hinge shaft from the second position to the first position in the second direction.
With
By engaging the lid body with the support base, the lid body is held in a state of being positioned at the closed position.
When the engagement between the lid body and the support base is released, the first hinge shaft slides from the first position to the second position by the urging force of the first urging member, and the first position. 3 The link member rotates in the rotational direction about the first hinge shaft by the urging force of the urging member, and the lid body is centered on the second hinge shaft by the urging force of the second urging member. A lid opening / closing mechanism configured to rotate in the direction of rotation so that the lid body moves to the open position. From the state where the lid is located in the open position, it is rotated from the state where it is located in the open position toward the closed position in the direction opposite to the rotation direction against the urging force of the second urging member about the second hinge shaft. When the link member rotates around the first hinge shaft in the direction opposite to the rotation direction against the urging force of the third urging member, the restricting portion and the link member engage with each other. The lid opening / closing according to claim 1, wherein the first hinge shaft is released and is configured to slide from the second position to the first position against the urging force of the first urging member. mechanism. According to claim 1 or 2, the lid body is attached to the second hinge shaft so that there is a gap between the lid body and the support base when the lid body is located in the open position. The described lid opening and closing mechanism. The link member includes an engaging pin and
The restricting portion is composed of recesses provided so as to engage with the engaging pin when the lid body is located in the open position.
The lid opening / closing mechanism according to any one of claims 1 to 3. One of the support substrate and the link member is provided with a pair of guide ribs extending in the first direction at positions facing each other with a partial region of the support substrate in plan view.
A pair of guide grooves extending in the first direction are provided on any one of the support substrate and the link member at positions facing each other with a partial region of the support substrate in plan view.
The link member according to any one of claims 1 to 4, wherein the pair of guide ribs are configured to slide in the first direction by relatively moving in the pair of guide grooves. Lid opening and closing mechanism. The first urging member is provided in the vicinity of any one of the pair of guide grooves.
A claim that the gap between the guide rib and the other of the pair of guide grooves is wider than the gap between the guide rib and one of the pair of guide grooves provided in the vicinity of the first urging member. The lid opening / closing mechanism according to 5. The lid opening / closing mechanism according to any one of claims 1 to 6, wherein the first urging member and the third urging member are integrated. An electronic device comprising the lid opening / closing mechanism according to any one of claims 1 to 7.

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