JP2000316115A - Movable part link mechanism, electronic equipment using the same and image pickup unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily provide a feeling of click by rotatably linking two members by way of an axial mechanism and constituting a click mechanism by members themselves. SOLUTION: A leaf spring part 29 is integrally formed to a side plate part 18 of a chassis 12 and the leaf spring part 29 has a long plate shape expanding in a radial direction of a rotary shaft 23. The leaf spring part 29 is formed by cutting out a part of the side plate part 18 by press finish, is in state in which only its base edge is linked to the side plate part 18, tilted towards a side plate part 14 side of a chassis 11 and elasticity is given. Under condition in which a display device is at a proper position, a projecting part 30 of the leaf spring part 29 of the chassis 12 is engaged with a click hole 31 of the chassis 11 by the elasticity. When the display device is risen, the chassis 12 on the display device side rotates with rotary shafts 23 and 28 as a center, the projecting part 30 of the leaf spring part 29 slides on the side plate part 14 of the chassis 11, and an appropriate feeling of slide is obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a movable section connecting mechanism for connecting two members rotatably, and to an electronic apparatus and an image pickup apparatus using the movable section connecting mechanism.

[0002]

2. Description of the Related Art There is a type of imaging apparatus in which an apparatus main body and a display device are rotatably mounted. In this type, a chassis provided in the apparatus main body and a chassis provided in the display device are connected via a movable portion connection mechanism described below. As shown in FIGS. 11 and 12, a chassis 101 provided on an apparatus main body (not shown) and a chassis 102 provided on a display device (not shown) are connected to a pair of rotating shafts 103 and 1.
04 is connected so that rotation operation is possible.

Then, the leaf spring 10 is rotated by the rotating shaft 103.
5 and the leaf spring 105 is attached to both chassis 101, 1
02. In order to restrict the rotation of the leaf spring 105, a restriction hole 106 is formed in the chassis 102, and a restriction piece 107 provided on the spring member 105 is inserted into the restriction hole 106. Protrusions 108 are provided near the tip of the leaf spring 105. Also, the chassis 10
1 has a click hole 109 and a click notch 11
0 is formed.

In such a movable portion coupling mechanism, the two chassis 101, 10 around the rotating shafts 103, 104 are centered.
2 can be rotated. Therefore, the display device can be moved with respect to the device main body. When the two chassis 101 and 102 come to a predetermined relative position, the convex portion 108 engages with the click hole 109 or the click notch 110 by the elastic force of the leaf spring 105, so that a click feeling can be obtained. ing.

[0005]

However, if the leaf spring 105 is used as a separate member in order to obtain a click feeling, the number of parts increases, and the cost of parts and assembly increases. Further, if the leaf spring 105 is interposed between the two chassis 101 and 102, the gap W between the chassis 101 and 102 becomes wider as shown in FIG. Can not.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and it is possible to obtain a click feeling without the need for a separate member, and to reduce the cost and space. It is an object of the present invention to provide a unit connection mechanism, and an electronic apparatus and an imaging device using the movable unit connection mechanism.

[0007]

According to a first aspect of the present invention, there is provided a movable portion connecting mechanism for rotatably connecting two members via a shaft mechanism, wherein a click mechanism is constituted by the two members themselves. Having.

In a second aspect based on the first aspect, the click mechanism includes a convex portion provided on one member and a concave portion provided on the other member, and the two members are at predetermined relative positions. A feature is that the projection and the recess are elastically engaged with each other.

In a third aspect based on the second aspect, the click mechanism includes a leaf spring portion formed integrally with any one of the members, and the convex portion and the concave portion are engaged by the elastic force of the leaf spring portion. It is characterized in that it is configured as follows.

According to a fourth aspect of the present invention, in the third aspect, the leaf spring portion is formed by cutting out a predetermined surface of one of the members, and only a base end thereof has a long plate shape continuous with the chassis. Has features.

In a fifth aspect based on the third aspect, the leaf spring portion is formed on an outer peripheral portion of a predetermined surface of any member, and only a base end thereof is continuous with the outer peripheral portion of the predetermined surface of the chassis. It is characterized by a plate shape.

A sixth aspect of the present invention relates to a movable portion coupling mechanism, wherein one of sliding surfaces of a first chassis and a second chassis which are rotatably arranged and constitute a hinge has elasticity. The plate spring portion is formed integrally, and the other is formed with an engagement portion that engages with the plate spring portion. The engagement between the plate spring portion and the engagement portion allows the first chassis and the second chassis to be joined together. Is characterized in that the relative rotation position with respect to the chassis is determined.

A seventh invention is characterized in that, in the sixth invention, the leaf spring portion and the engagement portion are integrally formed by pressing the first or second chassis.

According to an eighth aspect of the present invention, there is provided an electronic apparatus comprising a first housing and a second housing rotatably mounted thereon, wherein the chassis provided on the first housing and the second housing are provided. The present invention is characterized in that it is connected to the chassis provided in the first embodiment by using the movable portion connection mechanism according to any one of claims 1 to 7.

A ninth aspect of the present invention is an imaging apparatus in which a device main body and a display device are rotatably mounted, wherein a chassis provided in the device main body and a chassis provided in the display device are provided.
It is characterized in that it is connected by using the movable portion connection mechanism according to any one of claims 1 to 7.

[0016]

1 to 7 show a first embodiment of the present invention. Hereinafter, an example in which the present invention is applied to an imaging device such as a video camera will be described. FIG. 1 shows the entire imaging apparatus. The imaging device includes a device main body 1 (first housing) and a display device 2 (second housing) such as an electronic viewfinder and a liquid crystal monitor that is rotatably attached to the device main body 1.
It is composed of

As shown in FIG. 2, the display device 2 has a circuit board 4 incorporated in a housing 3 and includes a display 5 and a backlight 6 as a light source of the display 5. I do. Further, the housing 3 is provided with a magnifying lens 7 for magnifying and displaying the image on the display 5. Then, the circuit board 4 incorporated in the housing 3 of the display device 2 is connected via the connecting member 8.
It is electrically connected to a circuit board 10 incorporated in a housing 9 of the apparatus main body 1.

In such an imaging apparatus, the display device 2 is attached to the apparatus main body 1 by a movable section connecting mechanism described below. As shown in FIGS. 1 and 2, a chassis 11 is attached to the device body 1, and a chassis 12 is attached to the display device 2. In addition, this chassis 1
1 and 12 constitute a rotating hinge. Further, these chassis 11 and 12 constitute a member referred to in the present invention.

As shown in an exploded perspective view of FIG. 3, the chassis 11 includes a fixed plate portion 13 and the fixed plate portion 1.
3 comprises a pair of side plate portions 14, 15 bent in the vertical direction from both sides. Then, as shown in FIG. 4, the fixed plate portion 13 and the side plate portion 15 are
It is fixed to the housing 9 of the apparatus main body 1 via screws 16.

Further, as shown in FIG.
The fixing plate 17 also includes a pair of side plate portions 18 and 19 which are bent substantially vertically from both sides of the fixing plate portion 17. Then, as shown in FIG. 4, the fixed plate portion 17 and the side plate portions 18, 1
9 is fixed to the housing 3 of the display device 2 via screws 20.

The dimensions of the chassis 11 and the chassis 12 are determined so that the side plate portions 18 and 19 of the chassis 12 can be incorporated between the side plate portions 14 and 15 of the chassis 11. Then, the chassis 12 is assembled between the side plate portions 14 and 15 of the chassis 11 with the side plate portions 14 and 15 and the side plate portions 18 and 19 facing in the same direction.

As shown in FIG. 3, support holes 21 and 22 are formed in the side plates 14 and 18 of the chassis 11 and 12. Then, the rotating shaft 23 is inserted into the support holes 21 and 22 from the inside of the chassis 12, and the tip of the rotating shaft 23 is swaged as shown in FIG. Therefore, the chassis 11 and 12 are
The connection is made to be rotatable on the 18 side.

The rotary shaft 23 is chamfered, and the support hole 21 on the chassis 11
The shape is decided. Therefore, the relative rotation between the rotating shaft 23 and the chassis 11 is restricted, and the chassis 12 is in a state where it can rotate around the rotating shaft 23.

Here, disk-shaped friction plates 24a and 24b are arranged on both sides of the side plate portion 18 of the chassis 12. A disc-shaped spring member 25 is interposed between the head 23a of the rotating shaft 23 and the friction plate 24a. Then, as described above, the rotating shaft 23 is
When the rotary shaft 23 is inserted into the friction plate 24,
a, 24b and the spring member 25.

The friction plate 24a is for reducing the frictional force between the spring member 25 and the chassis 12, stabilizing the sliding force, and improving the durability. Similarly, the friction plate 24b is for reducing the frictional force between the chassis 11 and 12, stabilizing the sliding force, and improving the durability. The spring member 25
Is for giving a sliding torque to the rotating operation of the chassis 11, 12.

On the other hand, support holes 26 and 27 are formed on the side plates 15 and 19 of the chassis 11 and 12 coaxially with the support holes 21 and 22. Then, the rotating shaft 28 is inserted into the support holes 26 and 27 from the inside of the chassis 12, and the tip of the rotating shaft 28 is swaged as shown in FIG. Therefore, the chassis 11 and 12 are rotatably connected to the side plates 15 and 19. In addition, these side plate parts 15, 19
On the side, no friction plate and leaf spring are provided.

In the first embodiment, the chassis 11, 12
The click mechanism itself is configured. As shown in FIGS. 3 and 5, a leaf spring portion 29 is formed integrally with the side plate portion 18 of the chassis 12. The leaf spring portion 29 has a long plate shape extending in the radial direction of the rotating shaft 23. The leaf spring portion 29 is formed by cutting out a part of the side plate portion 18 by press working, and only a base end thereof is continuous with the side plate portion 18. The leaf spring portion 29 is inclined outwardly, that is, toward the side plate portion 14 of the chassis 11 so as to have elasticity.

Further, near the tip of the leaf spring portion 29, a spherical convex portion 3 protruding toward the side plate portion 14 is provided.
0 is formed. On the other hand, a click hole 31 and a click notch 3 are formed in the side plate portion 14 of the chassis 11.
2 are formed. The click hole 31 and the click notch 32 are located on a rotation locus drawn by the convex portion 30 of the leaf spring portion 29 when the chassis 11, 12 rotates.

As shown in FIG. 3, a stopper arm 33 is provided on the side plate portion 19 of the chassis 12 by bending a part of the outer peripheral portion outward. Also, the side plate portion 15 of the chassis 11 includes:
A notch 34 for stopper is formed in the outer peripheral portion.
When the chassis 11 and 12 are assembled, the stopper arm 33 is positioned in the stopper notch 34 as shown in FIGS.

Next, the operation of the first embodiment will be described.
As shown in FIG. 6B, when the display device 2 is in the normal position, the projection 30 of the leaf spring portion 29 of the chassis 12 is inserted into the click hole 31 of the chassis 11 by the elastic force of the leaf spring portion 29. Engage.

As shown in FIG. 6A, the lower surface of the stopper arm 33 provided on the chassis 12 contacts the stopper surface 34a of the stopper notch 34 formed on the chassis 11. Therefore, while the display device 2 is in the normal position, the chassis 11 and 12 can be prevented from further rotating, and the timing at which the protrusion 30 engages with the click hole 31 can be adjusted.

When the display device 2 is raised from the above-mentioned normal position, the chassis 12 on the display device 2 rotates about the rotation shafts 23 and 28 with respect to the chassis 11 on the device main body 1 side. Therefore, the convex portion 30 of the leaf spring portion 29 is disengaged from the click hole 31 and the convex portion 30 is
1 slides on the side plate portion 14. During this rotation operation, an appropriate sliding feeling can be obtained by the elastic force of the spring member 25 as described above.

As shown in FIG. 7 (b), when the display device 2 is raised to a predetermined position, the projection 30 of the leaf spring portion 29 of the chassis 12 is caused to move by the elastic force of the leaf spring portion 29. It engages with the click notch 32.

As shown in FIG. 7A, the upper surface of the stopper arm 33 provided on the chassis 12 contacts the stopper surface 34b of the stopper notch 34 formed on the chassis 11. Therefore, while the display device 2 is raised to a predetermined position, the chassis 11 and 12 can be prevented from rotating further, and the timing at which the protrusion 30 engages with the click notch 32 can be adjusted. .

According to the first embodiment described above, when the display device 2 is positioned at the correct position or when the display device 2 is raised to a predetermined position, the convex portion 30 of the leaf spring portion 29 has the click hole 31 or the click hole 31. And the notch 32 for click, the click feeling can be obtained. Moreover, since the click mechanism is constituted by the chassis 11 and 12 itself, a leaf spring as a separate member is not required, the number of parts can be reduced, and the cost can be reduced.

As shown in FIG. 4, the thicknesses w1 and w2 on both sides of the assembled chassis 11 and 12 are
On the side plate portions 15 and 19 side, the thickness and sliding gap of these side plate portions 15 and 19 can be set, and on the side plate portion 14 and 18 side, the thickness of these side plate portions 14 and 18 and the friction plate 24b Only the thickness. That is, the chassis 11 and 12 assembled are removed by the amount corresponding to the loss of the leaf spring as a separate member.
It is possible to reduce the thickness of both sides of the device to save space.

In the second embodiment shown in FIGS. 8 to 10, the side plate portion 1 of the chassis 11 is opposite to the first embodiment.
4, a plate spring portion 35 is integrally formed, and a pair of click holes 36 and 37 are formed in the side plate portion 18 of the chassis 12. In the following, the differences will be mainly described, and the same components as those in the first embodiment will be denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 8, the plate spring portion 35 has a long plate shape extending in the radial direction of the rotating shaft 23 and is formed integrally with the outer peripheral portion of the side plate portion 14 of the chassis 11. The leaf spring portion 35 is formed downward with only its base end continuing to the outer peripheral portion of the side plate portion 14. And this leaf spring part 35 is
It is inclined toward the inside, that is, toward the side plate portion 18 side of the chassis 12 to have elasticity.

Further, near the tip of the leaf spring portion 35, a spherical convex portion 3 protruding toward the side plate portion 18 is provided.
8 are formed. On the other hand, holes 36 and 37 for click are formed in the side plate portion 18 of the chassis 12. These click holes 36 and 37 are
The projection 12 of the leaf spring portion 35 is located on the rotation locus drawn by the rotating operation of the plate spring 12.

Also in the second embodiment, as shown in FIG.
When the display device 2 is in the normal position, the convex portion 38 of the leaf spring portion 35 of the chassis 11
6 is engaged. Although not shown here, the first
As in the embodiment, the stopper arm 33 provided on the chassis 12
Has a notch 3 for stopper formed in the chassis 11
4 comes into contact with the stopper surface 34a (see FIG. 6A).

Then, as shown in FIG.
Is raised to a predetermined position, the leaf spring portion 35 of the chassis 11
Are engaged with the click holes 37 of the chassis 12. Although not shown here, similarly to the first embodiment, the upper surface of the stopper arm 33 provided on the chassis 12 abuts against the stopper surface 34b of the stopper notch 34 formed on the chassis 11 (FIG. 7 ( a)).

Also in the second embodiment described above, when the display device 2 is positioned at the correct position or when the display device 2 is raised to a predetermined position, the convex portion 38 of the leaf spring portion 35 is clicked.
The engagement with 6, 37 can provide a click feeling. In addition, since the click mechanism is constituted by the chassis 11, 12 itself, a leaf spring as a separate member is not required, the number of parts can be reduced, and cost and space can be reduced.

In the first and second embodiments, the shapes of the convex portions 30, 38 formed on the leaf spring portions 29, 35 are not necessarily spherical. For example, a V-shaped convex shape,
It may be a so-called Kamaboko-shaped convex shape obtained by cutting a cylinder in half. Further, the click holes 31, 36, 37 and the click notch 32 constitute the concave portion referred to in the present invention, but the shape may be freely determined. For example, the recess is
A V-shaped groove or a half-cut concave shape may be used in accordance with the shapes of the convex portions 30 and 38. Further, the leaf spring portions 29 and 35
A concave portion may be provided on the side, and convex portions 30 and 38 may be provided on the chassis side.

In the first and second embodiments, the material and thickness of the chassis 11 and 12 can be freely selected as long as the leaf spring portions 29 and 35 can exert elastic force. For example, as a material of the chassis 11, 12,
Stainless steel strip, phosphor bronze, carbon steel strip, nickel silver, beryllium copper alloy and the like can be considered.

In the first and second embodiments, depending on the specifications such as the number of endurance times and the sliding torque load, the friction plate 24 may be used.
It is also possible to abolish a and 24b. For example, if a contact surface is formed in the vicinity of the rotating shaft 23 by half-blanking or drawing the thickness of the friction plate from either of the chassis 11 or 12, the friction surface between the chassis 11 and 12 is reduced, It is possible to prevent operation failure due to enlargement of the contact surface.

In the first and second embodiments, the click mechanism is not provided on the side plate portions 14 and 18 side.
It may be provided on the side plate parts 15 and 19 side.
Even in this case, the stopper arm 33 and the stopper notch 3
Since 4 is provided on the outer peripheral portion of the side plate portions 15 and 19, there is no interference in providing this click mechanism.

In the above-described embodiment, an example is described in which the movable unit connecting mechanism of the present invention is used for an image pickup apparatus. However, it may be used for other electronic devices.

[0048]

According to the present invention, the click mechanism is constituted by the members themselves in order to obtain a click feeling, so that a leaf spring as a separate member is not required, the number of parts is reduced, and cost and space are reduced. Can be achieved.

Further, according to the eighth aspect, it is possible to obtain an electronic device capable of obtaining a click feeling when moving the second housing. And to get a click feeling,
Since the click mechanism is constituted by the chassis itself, a leaf spring as a separate member is not required, the number of components can be reduced, and cost and space can be reduced.

[0050] Similarly, according to the ninth aspect, it is possible to obtain an imaging device capable of obtaining a click feeling when the display device is moved. And to get a click feeling,
Since the click mechanism is constituted by the chassis itself, a leaf spring as a separate member is not required, the number of components can be reduced, and cost and space can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating an entire imaging apparatus.

FIG. 2 is a perspective view showing a display device 2 of the imaging device.

FIG. 3 is an exploded perspective view showing the chassis 11, 12 of the first embodiment.

FIG. 4 is a plan view showing a state where the chassis 11, 12 are assembled in the first embodiment.

FIGS. 5A and 5B are views showing the chassis 12, wherein FIG.
FIG. 4B is a cross-sectional view taken along the line a, and FIG.

FIG. 6 is a diagram showing a state in which the display device 2 is in a normal position in the first embodiment, wherein (a) is a side plate portion 15 and 19;
The side view seen from the side, (b) is the side plate part 14,
It is the side view seen from 18 side.

FIGS. 7A and 7B are diagrams showing a state in which the display device 2 is raised in the first embodiment, wherein FIG. 7A is a side view seen from the side plate portions 15 and 19, and FIG.
It is the side view seen from the side.

FIG. 8 is an exploded perspective view showing the chassis 11, 12 of the second embodiment.

FIG. 9 is a diagram showing a state where the display device 2 is in a normal position in the second embodiment, and is a side view as viewed from the side plate portions 14 and 18;

FIG. 10 is a side elevational view of the display device 2 in the second embodiment, as viewed from the side plate portions 14 and 18;

FIG. 11 is an exploded perspective view showing a conventional movable section coupling mechanism.

12A and 12B are views showing a state where the chassis 101 and 102 of FIG. 12 are assembled, wherein FIG. 12A is a sectional view taken along the line aa of FIG. 12B and FIG. 12B is a side view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Display device 11 Chassis 12 Chassis 13 Fixed plate part 14, 15 Side plate part 17 Fixed plate part 18, 19 Side plate part 21, 22 Support hole 23, 28 Rotation axis 29, 35 Leaf spring part 30, 38 Convex Part 31, 36, 37 Hole for click 32 Notch for click

Claims (9)

[Claims] 1. A movable part connecting mechanism for rotatably connecting two members via a shaft mechanism, wherein the member itself constitutes a click mechanism. 2. The click mechanism includes a convex portion provided on one member and a concave portion provided on the other member. When the two members are at predetermined relative positions, the convex portion and the concave portion are elastic. The movable portion coupling mechanism according to claim 1, wherein the movable portion coupling mechanism is configured to engage with each other. 3. The click mechanism includes a leaf spring formed integrally with any one of the members, and the projection and the recess are engaged by the elastic force of the leaf spring. Item 3. The movable portion coupling mechanism according to Item 2. 4. The movable portion according to claim 3, wherein the leaf spring portion is formed by cutting out a predetermined surface of one of the members, and has only a base end in a long plate shape continuing to the chassis side. Connection mechanism. 5. A leaf spring portion is formed on an outer peripheral portion of a predetermined surface of any member, and only a base end thereof has a long plate shape continuous with an outer peripheral portion of a predetermined surface of the chassis. Item 4. The movable portion coupling mechanism according to Item 3. 6. A resilient leaf spring portion is integrally formed on one of sliding surfaces of a first chassis and a second chassis which are rotatably arranged and constitute a hinge, and which are opposed to each other. An engaging portion that engages with the leaf spring portion is formed, and a relative rotation position between the first chassis and the second chassis is determined by the engagement between the leaf spring portion and the engaging portion. A movable portion coupling mechanism having a configuration. 7. The movable portion coupling mechanism according to claim 6, wherein the leaf spring portion and the engagement portion are integrally formed by pressing the first or second chassis. 8. An electronic device comprising a first housing and a second housing rotatably mounted, wherein the chassis is provided in the first housing and the chassis provided in the second housing. An electronic device, wherein the electronic device is connected using the movable portion connecting mechanism according to any one of claims 1 to 7. 9. An imaging apparatus comprising a device main body and a display device rotatably mounted, wherein a chassis provided in the device main body and a chassis provided in the display device are provided.
An imaging apparatus characterized by being connected using the movable part connection mechanism according to any one of the above.