JPH09130702A - Head mounted video display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent damage and to easily facilitate the maintenance such as repair of a damaged component by providing a shock absorbing member to a case and/or support frame. SOLUTION: A shock absorbing member 3 is provided to a bottom of a support frame 2. The cross sectional shape of the shock absorbing member 3 so structured that the member 2 is deflected to absorb a shock when a projected part of the support frame 2 receives a shock. That is, the shock absorbing member 3 is projected more than a case 1 containing a video display section to receive at first a shock exerted to the head mount type video display device due to dropping. The shock absorption effect may be enhanced more by providing a space for the deflection of the shock absorbing member 3 and filling in or inserting a shock absorbing rubber or sponge or the like to the space.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorbing member for a head-mounted image display device.

[0002]

2. Description of the Related Art Conventionally, when an impact is applied to a head-mounted image display device, parts of the head-mounted image display device may be damaged. Therefore, as disclosed in Japanese Patent Laid-Open No. 6-141258 (see FIG. 18) as a preventive measure against damage due to breakage, when the cabinet 30 is damaged by an external force, the front cabinet 31 is replaced by the rear cabinet 32.
It goes in (dashed line in FIG. 18) to prevent the cabinet from hitting the face.

[0003]

However, in this type of head-mounted image display device, when an external force is applied, the image display portion inside the cabinet may be damaged, and an excessive external force may be applied. However, there was a problem in that it was impossible to know what was damaged. Further, the external force applied to the head-mounted image display device may be applied not only to the cabinet part but also to the external parts of the head-mounted image display device, and the main function of the head-mounted image display device is There was a problem that it was not enough to protect it and it was inconvenient when performing maintenance such as repair of damaged parts. The present invention has been made in view of the above problems of the conventional technique, and an object thereof is to provide an image display unit in a housing of a head-mounted image display device against external force,
Also, the head-mounted image display device is sufficient to prevent damage to external parts, protect the main functions of the head-mounted image display device, and is convenient when performing maintenance such as repair of damaged parts. Is to provide.

[0004]

In order to achieve the above object, the invention as set forth in claim 1 is a head mounted device comprising a housing containing an image display portion and a support frame supporting the housing. The type image display device is characterized in that a shock absorbing member is provided on the housing and / or the support frame. The invention according to claim 2 is characterized in that the shock absorbing member is provided with a notch shape. The invention according to claim 3 is
The shock absorbing member is characterized by being removable.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION First Embodiment The first embodiment will be described below with reference to FIGS. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10.

FIG. 1 is a perspective view showing the whole head-mounted image display apparatus according to the present invention, and FIG. 2 is a schematic view when it is actually mounted on the head. FIG. 3 is a side view showing a first embodiment of a head-mounted image display device according to the present invention,
Case 1, two support frames 2 that support the case 1 from both sides, a shock absorbing member 3 provided at the bottom of the support frame 2 for protecting the case 1 in the event of a drop, and a support frame A speaker holding member 4 that is rotatably provided substantially in the middle of 2 and holds a speaker, and a drive circuit arrangement member 5 provided at an end of the support frame 2 on the side not supporting the housing 1. I have it.

FIG. 4 is a sectional view taken along the line A--A of FIG. 3. As shown in FIG. 4, the impact absorbing member 3 has a sectional shape when a part of the support frame 2 is projected and is subjected to an impact. It has a structure that absorbs impact by bending. That is,
Since the image display unit is projected from the housing 1 in which the image display unit is housed, the head-mounted image display device is arranged so as to first receive an impact caused by a fall or the like. For example,
If a shock such as a drop is applied while using the head-mounted image display device, if the head-mounted image display device does not have a shock absorbing structure, even if the main function is impaired when the shock is applied, If there is no abnormality in appearance, it is possible to use the product without knowing it. If it is used in an abnormal state, there is a possibility of electric shock due to internal electrical short-circuiting or discomfort due to distortion of the optical system, which is dangerous.

Therefore, by having such a shock absorbing structure, it is possible to protect the electrical system and the optical system, which are the main functions, from a shock, and to avoid the above-mentioned danger. 5, 6 and 7 are cross-sectional views taken along the line AA of FIG. 3 showing another example applicable instead of the shock absorbing member 3 shown in FIG. That is, as shown in FIG. 5, the shock absorbing rubber 6 is provided in the space provided so that the shock absorbing member 3 can bend.
The effect of shock absorption can be enhanced by filling or fitting with a sponge or the like.

Further, as shown in FIG. 6, the spring 7 and the member 8 which receives an impact may be combined, or the structure shown in FIG.
As shown in, metal or plastic leaf spring 9
Can also be configured. Further, FIG. 8 is an overall view showing a state in which various shock absorbing members are arranged in various places of the support frame 2 or the housing 1. With this configuration, shocks from various directions are absorbed. be able to.
9 is a side view of an essential part showing only the housing 1 and the impact absorbing member 11 in FIG. 8, and FIG.
It is -B sectional drawing.

More specifically, as shown in FIG. 8, a nose ring-shaped shock absorbing ring 10 protruding forward from the housing 1 is shown.
Or a shock absorbing protrusion 11 is provided at the bottom of the housing 1 as shown in FIG. 9, or the support frame 2 is made up of an inner frame and an outer frame as shown in FIG. A shock absorbing frame 12 that integrally projects from the frame may be applied instead of the frame for use. Further, instead of the shock absorbing member shown in FIGS. 9 and 10, a shock absorbing rubber 6 as shown in FIGS. 5, 6 and 7, or a combination of a spring 7 and a member 8 which receives a shock, or a leaf spring 9 is used. It is also possible to adopt.

[0011] The following second embodiment, a second embodiment will be described with reference to FIG 5,6,7,8,9,10,11,12. FIG. 11 (a)
FIG. 11 is an overall side view of the head-mounted image display device according to the present invention, and FIG. 11B is a side view showing only the shock absorbing / demounting member detached from the head-mounted image display device. Further, FIG. 12A is a sectional view taken along the line CC of FIG. 11A, and FIG. 12B is a sectional view taken along the line DD of FIG. 11B.

As shown in FIGS. 11 (a) and 11 (b), the support frame 2 is provided with a detachable impact absorbing attachment / detachment member 13, and its cross-sectional shape when attached to the support frame 2 is shown in FIG. As shown in (a), the shock absorbing removable member 13
Is fitted to the support frame 2, while the impact absorbing attachment / detachment member 13 is detached from the support frame 2 as shown in FIG.
As shown in FIG.
It is formed to be the lower half.

The impact absorbing attachment / detachment member 13 has a protruding portion 14 formed by protruding a part of the lower side thereof.
Since 4 is projected from the housing 1 in which the image display unit is housed, it is possible to first receive an impact applied to the head-mounted image display device due to a drop or the like. Further, the protrusion 14 is provided with a notch shape 15, and when the impact is received, the protrusion 14 bends to absorb the impact, and when the impact is excessive, the notch shape 15 is damaged. The structure has a structure that absorbs an excessive shock due to the breakage of the notch shape portion 15 and prevents the damage of other parts.

Further, as shown in FIG. 5, the shock absorbing effect can be enhanced by filling or fitting the shock absorbing rubber 6 or sponge into the space provided so that the shock absorbing member 3 is bent. For example, when a shock such as a drop is applied while the head-mounted image display device is in use, if the head-mounted image display device does not have a shock absorbing structure, parts where the shock is concentrated are damaged. Therefore, the protrusion 1 of the shock absorbing member
By providing the notch shape 15 in 4, it is possible to absorb the excessive shock by breaking the member from the notch shape portion when the excessive shock is applied.

Further, it can be seen that an excessive impact is applied due to the damage, and it can be used as a standard for inspection, parts replacement and the like. Furthermore, by having a shock absorbing structure, it is possible to protect the electrical system and the optical system, which are the main functions, from a shock.
Further, by providing the notch shape 15 on the projecting portion 14 of the shock absorbing / demounting member 13, the member is damaged from the notch shape portion when an excessive shock is applied, and if the excessive shock is absorbed, the parts need to be replaced. At this time, the shock absorbing removable member 1
If 3 is removable, parts can be easily replaced. Also, when the shock absorbing detachable member 13 is removed,
Since the electrical system and optical system can be inspected, it is possible to inspect at the same time as the replacement of parts. Furthermore, since the parts to be broken are limited, it is not necessary to prepare various replacement parts.

The projecting portion 14 of the shock absorbing / removing member 13
Instead of the above, notch shape 15 is provided and configured by a combination of the spring 7 and the member 8 that receives an impact as shown in FIG. 6, or a leaf spring 9 made of metal or plastic as shown in FIG. You can also Further, as shown in FIG. 8, by providing various shock absorbing members at various places of the support frame 2 or the housing 1, shocks from various directions can be absorbed. For example,
As shown in FIG. 8, a nose ring-shaped impact absorbing ring 10 protruding forward from the casing is provided, or as shown in FIG. As shown in the figure, the shock absorbing frame 12 may be applied which is located on the inner side of the support frame 2 and on the outer side thereof and which has an integrally projecting portion vertically. Further, instead of the shock absorbing protrusion 11 of FIG. 9 or the shock absorbing frame of FIG. 10, a shock absorbing rubber 6 as shown in FIGS. 5, 6 and 7, or a combination of a spring 7 and a member 8 which receives a shock is combined. Alternatively, a metal or plastic leaf spring 9 may be used.

Third Embodiment Hereinafter, referring to FIGS. 13, 14, 15, 16, and 17, a third embodiment will be described.
An embodiment will be described. FIG. 13 is a view showing a case 1 and a support frame 2 in which a video display unit of a head-mounted video display device is housed.
FIG. 7 is an arrangement diagram showing a configuration when connecting the two with a three-dimensional locking type shock absorbing member 16.

The three-dimensional locking type shock absorbing member 16 is a three-dimensional connecting member 16 which is not in a straight line on one half of the flat plate.
a, 16b, 16c are provided with connection holes 16a ', 16b', 16c 'respectively, and at least two or more connection holes 16' are planarly drilled in the other half. ing. By the way, the head-mounted image display device may be damaged when a shock such as a drop is applied during use. In particular, the portion connecting the housing 1 containing the image display unit and the support frame 2 is also a portion to which an external force from the user is applied in addition to dropping, so that the head-mounted image display without a shock absorbing structure is provided. In the device, it is not possible to limit the location of damage when a shock is applied.

Therefore, by fixing the housing 1 and the support frame 2 using the three-dimensional locking type shock absorbing member 16, it is possible to absorb the impact and the external force by bending the three-dimensional locking type shock absorbing member 16. The parts that are damaged can be eliminated. That is, the three-dimensional locking type shock absorbing member 16 is shown in FIG.
As shown in FIG. 4, three-dimensionally connecting members 16a, 1
The bending of 6b and 16c disperses and absorbs the impact. In particular, this shape has an external force from below (white arrow acting on the housing 1 and the support frame 2) and the housing 1 or the support frame 2 when dropped.
The external force (indicated by the slanted arrow acting on the housing 1 and the support frame 2) acting so as to enter inside is effectively indicated by the slanted arrow or the blank arrow acting on the three-dimensional locking type shock absorbing member 16. Can be absorbed. In addition, by providing the notch shape 15 in three-dimensional members, the impact that cannot be absorbed by bending alone is broken and broken from the notch shape portion to absorb the impact and damage other parts. Can be eliminated.

The external force applied by the user is as shown in FIG.
As shown in FIG. 3, when the user holds the support frame 2 and wears it on the head, the support frame 2 expands and acts so as to separate the support frame 2 from the housing 1. As shown in FIG. 13, the screwing direction for fixing the member 16 to the housing 1 and the support frame 2 is such that the screwing direction of the screw is the working direction when the support frame 2 is separated from the housing 1. It is desirable to attach it at a right angle to.

The shape other than the three-dimensional locking type shock absorbing member 16 may be a shape as shown in FIGS. 15, 16 and 16 and the notch shape is provided to obtain the above-mentioned effect. The features and effects of each shape will be described below. The shape shown in FIG. 15 is a twist type shock absorbing member 17 formed by bending two projecting pieces 17a, 17b of an L-shaped flat plate at right angles in mutually opposite directions. With such a configuration, when dropped, the
As shown in FIG. 5, an external force from below (white arrow acting on the housing 1 or the supporting frame) and an external force acting so that the housing 1 or the supporting frame 2 enters the inside (the housing 1 or the supporting frame). 2)
It can be effectively absorbed as shown by the white arrow or the shaded arrow acting on the twist type shock absorbing member 17.

Next, in the case of the shape shown in FIG. 16, projecting pieces 18a, 18 formed by bending a rectangular flat plate at a substantially right angle at the center thereof.
It is an L-shaped plate type shock absorbing member 18 having b. With such a configuration, when dropped, an external force from below (white arrow acting on the housing 1 and the support frame) is applied to the L-shaped plate type shock absorbing member 18 as shown in FIG. It can be effectively absorbed, as shown by the white arrows acting.

Next, the shape shown in FIG. 17 is an L-shaped plate convex type in which a plurality of connecting convex portions 19 are provided on the outer surface of the vertical projecting piece 18a of the L-shaped plate type shock absorbing member 18 shown in FIG. It is the shock absorbing member 20. With such a configuration, when it is dropped, as shown in FIG.
And, of course, the white arrow that acts on the support frame)
An external force or a shaded arrow that acts on the L-shaped convex impact absorbing member 20 is an external force that acts so that the casing 1 or the support frame 2 enters inside (a shaded arrow that acts on the casing 1 and the support frame 2). As shown in, it can be effectively absorbed.

As described above, the head-mounted image display device according to the present invention has the following features in addition to the features described in the claims. (1) In a head-mounted image display device including a housing in which an image display unit is housed and a support member supporting the housing, an impact having at least three locking portions having a three-dimensional structure that are not aligned A head-mounted image display device, wherein the housing and the support frame are fixed by an absorbing member. According to this structure, the impact from the outside can be dispersed and absorbed by the bending of the impact absorbing member by the members at least three-dimensionally. In particular, this shape can effectively absorb the external force from the downward direction and the external force acting so that the housing or the support frame enters inside when dropped. Further, by fixing the housing and the support frame using the shock absorbing member, it is possible to absorb shock or external force by bending, and it is possible to eliminate parts that are damaged.

(2) The head-mounted image display device according to (1), wherein the shock absorbing member is provided with a notch shape. According to this structure, it is possible to absorb the impact by breaking and damaging the impact that cannot be absorbed only by bending from the notch-shaped portion, and it is possible to prevent other components from being damaged.

(3) The head according to the above (1), characterized in that the material strength of the housing containing the image display portion and the support frame supporting the housing is stronger than the material strength of the shock absorbing member. Part-mounted video display device. With this configuration,
It is possible to suppress damage to other parts by damaging the shock absorbing member when an excessive shock is applied to the head-mounted image display device. However, if the shock absorbing member is too soft, the head mounted image display device will remain deformed when a shock is applied, so it is not good to be too soft.

[0027]

As described above, according to the present invention, it is possible to prevent damage to the image display portion in the housing of the head-mounted image display device and external parts against impact, and to prevent the head-mounted image display device from being damaged. It is possible to provide a head-mounted image display device that is sufficient for protecting the main function of the above and is convenient even when performing maintenance such as repair of damaged parts.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a head-mounted image display device according to the present invention.

FIG. 2 is a conceptual diagram showing a state in which the head-mounted image display device according to the present invention is mounted on the head.

FIG. 3 is an overall side view showing the first embodiment of the head-mounted image display device according to the present invention.

FIG. 4 is an AA of the head-mounted image display device in FIG.
It is sectional drawing.

FIG. 5 is a sectional view showing another embodiment of the shock absorbing member in the first embodiment of the head mounted image display device according to the present invention.

FIG. 6 is a sectional view showing another embodiment of the shock absorbing member in the first embodiment of the head mounted image display device according to the present invention.

FIG. 7 is a cross-sectional view showing another embodiment of the shock absorbing member in the first embodiment of the head-mounted image display device according to the present invention.

FIG. 8 is an overall perspective view showing a state in which the shock absorbing member in the first embodiment of the head-mounted image display device according to the present invention is arranged in various places.

9 is a side view of the housing and the impact absorbing member in FIG. 7.

10 is a sectional view taken along line BB of the shock absorbing frame in FIG.

FIG. 11A is an overall side view showing a state in which a shock absorbing attachment / detachment member in the second embodiment of the head mounted image display device according to the present invention is inserted, and FIG. 11B is detached. It is a side view which shows only an impact absorption attachment / detachment member.

12A is a cross-sectional view taken along line CC of the head-mounted image display device in FIG. 10A, and FIG.
It is DD sectional drawing of the shock absorption attachment / detachment member in (b).

FIG. 13 is a third head-mounted image display device according to the present invention.
It is the whole layout drawing at the time of connecting a solid engagement type shock absorption member in an embodiment.

FIG. 14 is a third head-mounted image display device according to the present invention.
FIG. 3 is an enlarged view of the solid engagement type shock absorbing member in the embodiment.

FIG. 15 is a third head-mounted image display device according to the present invention.
FIG. 3 is an overall layout diagram in the case of connecting the twist type shock absorbing member in the embodiment.

FIG. 16 is a third head-mounted image display device according to the present invention.
It is the whole layout drawing at the time of connecting an L-shaped board type shock absorption member in an embodiment.

FIG. 17 is a third head-mounted image display device according to the present invention.
It is an enlarged view of the L-shaped convex impact absorbing member in the embodiment.

FIG. 18 is a cross-sectional view of essential parts showing a shock absorbing structure of a conventional head-mounted image display device.

[Explanation of symbols]

 1 Case 2 Support Frame 3 Shock Absorbing Member 4 Speaker Holding Member 5 Drive Circuit Arrangement Member 6 Shock Absorbing Rubber 7 Spring 8 Member Receiving Impact 9 Leaf Spring 10 Impact Absorbing Ring 11 Impact Absorbing Projection 12 Impact Absorbing Frame 12 'Inside Frame 13 Impact absorption attachment / detachment member 14 Projection portion 15 Notch shape 16 Three-dimensional locking type impact absorption member 16 'Connection hole 16a Connection member 16a' Connection hole 16b Connection member 16b 'Connection hole 16c Connection member 16c' Connection hole 17 Twisted type impact Absorption member 17a Projection piece 17b Projection piece 18 L-shaped plate type shock absorption member 18a Projection piece 18b Projection piece 19 Connection convex part 20 L-shaped plate convex type shock absorption member 30 Cabinet 31 Front cabinet 32 Rear cabinet

Front page continued (72) Inventor Kazuya Yamanaka 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd.

Claims (3)

[Claims] 1. A head-mounted image display device comprising a housing containing an image display unit and a support frame for supporting the housing, wherein a shock absorbing member is provided on the housing and / or the support frame. A head-mounted image display device characterized by being provided. 2. The head-mounted image display device according to claim 1, wherein the shock absorbing member is provided with a notch shape. 3. The head mounted image display device according to claim 1, wherein the shock absorbing member is removable.