JPH0630824U - Display device - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to adjust the height, distance, and angle of the display unit with respect to the main unit. [Construction] Guide grooves 2a are formed in parallel on both side surfaces of the apparatus main body 2. The link arm 3 has a hinge portion 10 rotatably supported at one end fixed to the back surface of the panel display 1, and an engaging portion at the other end slidable and rotatable in the guide groove 2a. And the panel display 1 and the apparatus main body 2 are connected to each other. When the operator adjusts the position or angle of the panel display 1, the link arm 3 corresponding to the panel display 1 is displayed.
Swings or moves in the direction of the guide groove 2a to hold the panel display 1 at the adjusted position.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a display device applied to a word processor device, a personal computer device or the like, and more particularly to a display device having a panel-shaped display unit.

[0002]

[Prior art]

 In recent years, miniaturization has become an important issue in various display devices. In order to downsize the display device, it is effective to apply a thin plate-shaped panel display as the display unit. The panel display can be formed thinner, for example, by using an LCD (liquid crystal display) as an image display element in a direction orthogonal to the display surface as compared with a display unit using a cathode ray tube.

As an information display device having a conventional panel display, there is a computer panel display device disclosed in Japanese Patent Laid-Open No. 63-271511. This computer panel display device has one end swingably attached to the computer frame, the other end swingably attached to the flat panel display, and is biased in a direction to raise the flat panel. It includes a support arm, a cam track formed on a side panel attached to the computer frame, and a cam ring provided on the flat panel display and moving along the cam track.

When the user does not use the flat panel display, the flat panel display is fixed to the computer frame in the lowered position against the urging force of the support arm and is released from the computer frame when the flat panel display is not used. It is moved to the rising position and held by the biasing force.

In the computer panel display device having the above-mentioned configuration, by setting the descending position in close contact with the computer frame when not in use, the space for storing the device can be saved, and the operator can easily see the flat panel display when in use. Can be held in the raised position.

[0006]

[Problems to be solved by the device]

 However, in the computer panel display device disclosed in Japanese Patent Laid-Open No. 63-271511, the height of the flat panel display and the distance from the computer frame when the operator is in use are always constant, so that an unspecified number of operators can be used. However, the flat panel display cannot always be adjusted to the optimum height, and in order to adjust the flat panel display to the optimum distance, it is necessary to move the entire device. Movement is restricted due to such reasons.

When considering the operability of the display device, it is desired that the height, distance and angle of the display unit can be optimally adjusted in correspondence with an unspecified number of operators. By optimally adjusting the display unit, It is possible to reduce operator fatigue during long working hours and further improve work efficiency.

An object of the present invention is to provide a display device capable of adjusting the height, distance and angle of a display unit with respect to a main body unit in order to solve the above problems.

[0009]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention provides a display device including a panel-shaped display unit and a main body supporting the display, and two guides formed on both sides of the main body in parallel. A groove, a hinge part that is rotatably connected to the display part, an engaging part that is movably and rotatably engaged with the guide groove, and one end that supports the hinge part and the other end part. Further, it is characterized in that it is provided with two link arms which support the engaging portion and are arranged in one guide groove.

Further, the main body portion is provided with a restraining means that is fitted in the vicinity of the other end portion of the link arm to fix the link arm in the guide groove direction.

Further, the link arm is provided with a fixing means for fixing the engaging portion in the guide groove direction and the rotating direction, and an operation member for displacing the link arm in the guide groove direction or the swinging direction. It is characterized by that.

[0012]

[Action]

 According to the above means, the two guide grooves formed in the main body portion, the hinge portion rotatably connected to the display portion, and the engaging portion movably and rotatably engaged with the guide groove. The angle and height of the display part with respect to the main body part are increased by the link arm that supports the hinge part at one end and the engagement part at the other end and two link arms are arranged in one guide groove. The link arm is displaced in the guide groove direction or the swinging direction in accordance with the displacement of the length and the distance.

Further, the link arm is fixed at an arbitrary position in the guide groove direction by the restraint means fitted near the other end of the link arm.

Further, the engaging portion is fixed in the guide groove direction by the fixing means for fixing the engaging portion in the guide groove direction and the rotating direction, and the operation member for displacing the link arm in the guide groove direction or the swinging direction. , And the link arm can be displaced in the swinging direction or the guide groove direction.

[0015]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a display device according to a first embodiment of the present invention, FIG. 2 is a perspective view showing a part of a hinge portion of the first embodiment in section, and FIG. 3 is a first embodiment. It is sectional drawing which shows an example of the engaging part in an example.

Reference numeral 1 is a panel display which is a panel-shaped display unit, 2 is an apparatus main body, and 3 is a link arm which connects the panel display 1 and the apparatus main body 2. The link arm 3 has a hinge portion 10 at one end and an engaging portion 20 at the other end.

As shown in FIG. 2, the hinge portion 10 is formed with a pivot pin 11 vertically provided at an end portion of the link arm 3 and a support hole 12a, and is fixed near a side end on the rear surface of the panel display 1. The fixed block 12 and a bush 13 which is formed of a material having elasticity into a tubular shape and is fixed in the support hole 12a. The rotating pin 11 is inserted into a through hole of the bush 13, and the bush 13 elastically contacts the outer peripheral surface of the rotating pin 11 to generate a frictional force in the rotating direction of the rotating pin 11. As a result, the link arm 3 is swung in the direction A about the pivot pin 11 by being applied with an external force of a predetermined magnitude or more.

As shown in FIG. 3, the engaging portion 20 has a support pin 21 inserted into the guide groove 2a, a friction plate 22 formed of an elastic material in a ring shape, a ring-shaped washer 23, and a crimped portion. And a fixing ring 24 fixed to the support pin 21. One support pin 21 is inserted through the two friction plates 22, the two washers 23, and the through hole formed at the end of the link arm 3, and the support pin 21 includes the friction plate 22 and the washer 23. It also supports the link arm 3. One of the two friction plates 22 is in contact with the outer surface of the side plate 2b and the other is in contact with the inner surface of the side plate 2b near the guide groove 2a, and the two washers 23 are in close contact with the friction plate 22, respectively. . The fixing ring 24 is fixed to the shaft portion of the support pin 21 so as to compress the friction plate 22 in the axial direction of the support pin 21 and elastically deform it by a predetermined amount. The deformed friction plate 22 elastically contacts the side plate 2b to generate a frictional force between the deformed friction plate 22 and the side plate 2b in the sliding direction (direction B) which is the guide groove 2a direction. As a result, the link arm 3 is prevented from moving in the B direction only by the weight of the panel display 1, is moved in the B direction by applying an external force of a predetermined magnitude or more, and further the support pin 21 is centered. 4 is swingably supported in the C1 or C2 direction shown in the explanatory view of FIG. A coil-shaped spring 25 is wound around the end of the support pin 21, and one end of the spring 25 is inserted into a retaining hole 3a formed on the outer surface of the link arm 3. The other end is elastically contacted with the guide groove 2a.

A force in the C1 direction is constantly applied to the link arm 3 due to the weight of the panel display 1, and a spring 25 is provided in the C2 direction that substantially balances the moment in the C1 direction due to the weight of the panel display 1. Power is applied to the link arm 3. This makes it possible to swing the link arm 3 in the C1 or C2 direction with a small force, and the position of the link arm 3 is maintained at a constant angle in the C1 and C2 directions when no external force is applied. It

5 to 7 are explanatory views showing the operation of the main part in the first embodiment.

The panel display 1 shown by the solid line in FIG. 5 is in a state of being held at a storage position close to the apparatus body 2. When the operator moves the panel display 1 in the retracted position in a direction away from the apparatus main body 2, the engaging portion 20 of the upper link arm 3 moves downward along the guide groove 2a in conjunction with the movement of the panel display 1. The engaging portion 20 of the lower link arm 3 moves upward along the guide groove 2a, and the upper and lower link arms 3 swing. When the operator separates the panel display 1 to a desired position, the engaging portion 20 and the link arm 3 are respectively held at the position and the angle corresponding to the stop position of the panel display 1. As a result, the panel display 1 can be held at a position separated from the apparatus main body 2 by an arbitrary distance within a certain range.

In FIG. 6, the panel display 1 is shown in a state where it is moved from the position shown by the chain double-dashed line in FIG. 5 to the lowered position. When the operator lowers the panel display 1, the engaging portions 20 of all the link arms 3 are lowered by the equal distance along the guide groove 2a in conjunction with the movement of the panel display 1 to the stop position of the panel display 1. It is held in the corresponding position. Further, when the operator tilts the angle of the panel display 1 in the direction indicated by the chain double-dashed line, the engaging portion 20 of the upper link arm 3 moves upward in conjunction with the change in the tilt angle of the panel display 1, and The link arm 3 swings. The upper engaging portion 20 and the link arm 3 are held at an angle or position corresponding to the tilt angle of the panel display 1.

In FIG. 7, the panel display 1 is shown in a state where it is moved from the position shown by the chain double-dashed line in FIG. When the operator raises the panel display 1, the engaging portion 20 of each link arm 3 rises equidistantly along the guide groove 2a in association with the movement of the panel display 1, corresponding to the stop position of the panel display 1. Held in position. When the operator further tilts the angle of the panel display 1 in the direction indicated by the chain double-dashed line, the engaging portion 20 of the lower link arm 3 moves downward and moves upward in conjunction with the change in the tilt angle of the panel display 1. And the lower link arm 3 swings. The engaging portion 20 of the lower link arm 3 and the upper and lower link arms 3 are respectively held at positions or angles corresponding to the tilt angle of the panel display 1.

When the angle, distance and height of the panel display 1 with respect to the apparatus main body 2 are adjusted as described with reference to FIGS. 5 to 7, the engaging portion 20 interlocks with the panel display 1 and the guide groove 2 a. Or the link arm 3 swings about the hinge portion 10 and the engaging portion 20. At this time, as described above, the engaging portion 20 is prevented from moving along the guide groove 2a when the external force is not applied, because the friction plate 22 generates the frictional force on the side plate 2b. In addition, the link arm 3 uses the frictional force of the bush 13 at the hinge portion 10 as the resistance force in the swinging direction, and the biasing force of the spring 25 provided at the end of the link arm 3 depends on the weight of the panel display 1. By balancing with the force applied to 3, the link arm 3 is prevented from swinging when no external force is applied. Therefore, the panel display 1 can be moved to an arbitrary angle or position within the range restricted by the lengths of the guide groove 2a and the link arm 3 and held at the moved angle or position.

As described above, according to the display device of the present embodiment, by adjusting the angle, distance and height of the panel display 1 with respect to the device main body 2, it is possible for each of a large number of unspecified operators to operate. Since the panel display 1 can be adjusted to the optimum angle and position correspondingly, it is possible to reduce operator fatigue during long-time work and improve work efficiency.

FIG. 8 is an exploded perspective view showing another example of the engaging portion in the first embodiment, and the members corresponding to the members described with reference to FIGS. 1 to 4 are given the same reference numerals and described. Is omitted.

The engaging portion 30 is a substantially cylindrical support member 31 disposed near the end of the link arm 3, a cylindrical friction member 32 fitted on the support member 31, and an end surface of the support member 31. It is composed of a disc-shaped brim member 33 fixed to the. The friction member 32 has a diameter slightly larger than the width of the guide groove 2a of the apparatus body 2 when not engaged, and the collar member 33 has a diameter larger than the width of the guide groove 2a.

As shown in the explanatory view of FIG. 9, the link arm 3 slightly elastically deforms the friction member 32 externally fitted to the support member 31 and inserts it into the guide groove 2 a, and the end face of the support member 31 is provided with a collar. Since the member 33 is fixed, it is pivotally and slidably engaged with the guide groove 2a. The friction member 32 elastically contacts the inner surface of the guide groove 2a to generate a frictional force with the guide groove 2a. As a result, when an external force of a predetermined magnitude or more is not applied to the link arm 3, the link arm 3 is held at a fixed position and angle in the sliding direction and the swinging direction, so that the panel display 1 is operated by the operator. Can be held at the adjusted position and angle.

FIG. 10 is a side sectional view showing the restraint means in the first embodiment, and FIG. 11 is an explanatory view of the operation of the restraint means in the first embodiment. The members explained based on FIGS. 1 to 4 are shown. The same reference numerals are given to the members corresponding to, and the description thereof will be omitted.

Reference numeral 41 is a restraint plate disposed inside the apparatus main body 2, 42 is a guide rail that pushes the restraint plate 41 in the D1 or D2 direction, 43 is a spring that biases the restraint plate 41 in the D2 direction, and 44 is a restraint. A lever for moving the plate 41 in the D1 direction against the biasing force of the spring 43.

Fitting grooves 41a are formed on the restraint plate 41 at regular intervals in the longitudinal direction (B direction) of the guide groove 2a, and further, levers 44 protruding from the side surface of the apparatus main body 2 through the grooves 2c are provided. There is. The restraint plate 41 is held in the restrained position shown by the biasing force of the spring 43. Further, near the end of the link arm 3 on the device body 2 side, a pin 3b that projects into the device body 2 through a guide groove 2a is planted. The pin 3b is movable and rotatable in the guide groove 2a. The restraint plate 41 fixes the pin 3b in the B direction by fitting the fitting groove 41a onto the pin 3b at the restraint position. By fixing each of the two link arms 3 engaged with the guide groove 2a in the B direction, the position and angle of the panel display 1 connected to the link arm 3 are fixed.

When the operator grips the lever 44 and moves it in the D1 direction, the restraint plate 41 also moves in the D1 direction to separate the fitting groove 41a from the pin 3b. At this time, since the pin 3b is movable in the guide groove 2a, the angle, height and distance of the panel display 1 with respect to the apparatus body 2 can be adjusted respectively. If the operator releases the lever 44 after the adjustment is completed, the restraint plate 41 moves to the restrained position again and fixes the panel display 1 at the adjusted position.

According to the restraint means of the present embodiment, since the end of the link arm 3 on the device body 2 side is securely fixed, the panel display 1 is reliably fixed, and for example, a large external force is erroneously applied to the panel display 1. Even when adding, it is possible to prevent the angle, height and distance of the panel display 1 from being displaced.

FIG. 12 is a perspective view showing a second embodiment of the present invention, and FIG. 13 is a side sectional view showing a main part of the second embodiment, corresponding to the members described with reference to FIGS. 1 to 4. The same reference numerals are given to the members to be described, and the description thereof will be omitted.

Reference numeral 51 is a fixing bolt having a screw portion 51a and a head portion 51b, 52 is an operating member having a link arm fixing portion 52a and a grip portion 52b, 53 is a friction plate formed of an elastic material in a ring shape, 54 is a washer formed in a ring shape.

Side covers 4 are fixed to both side surfaces of the apparatus main body 1, and the side cover 4 has a groove 4a having substantially the same shape as the guide groove 2a at a position facing the guide groove 2a of the apparatus main body 2. The side cover 4 forms a space for accommodating the link arm 3 therein.

The fixing bolt 51 is inserted into the operating member 52, the two friction plates 53 and the washer 54 to support each member, and is inserted into the guide groove 2 a and the groove 4 a of the side cover 4 to guide the guide groove 2 a. Is movably supported in the direction B. Further, a nut 55 is screwed onto the threaded portion 51a of the fixing bolt 51. The operation member 52 is rotatably supported by a fixing bolt 51, and the link arm 3 is fixed to the link arm fixing portion 52a.

When the operator rotates the fixing bolt 51 in the tightening direction, one friction plate 53 makes elastic contact with the inner surface of the side plate 2b, and the other friction plate 53 has the outer surface of the side surface 2b and the end surface of the operation member 52. Bullet contact with. At this time, the fixing bolt 51 is fixed in the B direction by the frictional force of the friction plate 53, the operating member 52 is fixed in the rotating direction, and the link arm 3 is fixed in the B direction and the swinging direction. .

Further, by warming the fixing bolt 51, the fixing bolt 51 becomes movable in the B direction and the operating member 52 becomes rotatable. At this time, the operator grips the grip portion 52b of the operating member 52 to move or rotate in the B direction, whereby the link arm 3 moves or swings in the B direction. Therefore, the operator can adjust the angle, height and distance of the panel display 1 with respect to the apparatus body 2 without applying force to the panel display 1.

[0041]

[Effect of device]

 As described above, according to the present invention, the two guide grooves of the main body portion, the hinge portion that is rotatably connected to the display portion, and the engaging portion that movably and rotatably engages with the guide groove. The link arm that supports the hinge part at one end and the engaging part at the other end, and has two link arms arranged in one guide groove, provides the angle and height of the display part with respect to the main body part. Also, since the link arm is displaced in the guide groove direction or the swinging direction in accordance with the displacement of the distance, the display unit whose angle, height and distance are adjusted can be held at the adjusted position.

Further, since the link arm is fixed at an arbitrary position in the guide groove direction by the restraint means fitted near the other end of the link arm, the two links arranged in one guide groove are fixed. The arm can be fixed in the guide groove direction to securely fix the display portion, and further, the fixing means for fixing the engaging portion in the guide groove direction and the rotation direction, and the link arm can be displaced in the guide groove direction or the swing direction. The operating member allows the engaging portion to be fixed at an arbitrary position in the guide groove direction and at an arbitrary angle in the rotation direction, so that the display portion can be fixed to the main body portion and the link arm can be swung. Since it can be displaced in the direction or the guide groove direction, the angle, height and distance of the display unit with respect to the main body can be adjusted by displacing the link arm.

[Brief description of drawings]

FIG. 1 is a perspective view showing a display device according to a first embodiment of the present invention.

FIG. 2 is a perspective view, partly in section, showing a hinge portion in the first embodiment.

FIG. 3 is a cross-sectional view showing an example of an engaging portion in the first embodiment.

FIG. 4 is an explanatory diagram of the operation of the link arm in the first embodiment.

FIG. 5 is an explanatory diagram showing an operation of a main part in the first embodiment.

FIG. 6 is an explanatory diagram showing an operation of a main part in the first embodiment.

FIG. 7 is an explanatory diagram showing an operation of a main part in the first embodiment.

FIG. 8 is an exploded perspective view showing another example of the engaging portion in the first embodiment.

FIG. 9 is an explanatory diagram of the operation of the engaging portion shown in FIG.

FIG. 10 is a side sectional view showing a restraint means in the first embodiment.

FIG. 11 is an explanatory diagram of the operation of the restraint means in the first embodiment.

FIG. 12 is a perspective view showing a second embodiment of the present invention.

FIG. 13 is a side sectional view showing a main part of the second embodiment.

[Explanation of symbols]

1 ... Panel display, 2 ... Device main body, 2a ... Guide groove, 3 ... Link arm, 3b ... Pin, 10 ... Hinge part, 20, 30 ... Engaging part, 41 ... Restraint plate, 42 ... Guide rail, 43 ... Sprinkle , 44 ... Lever, 51 ... Fixing bolt, 52 ... Operating member, 53 ... Friction plate, 54 ... Washer, 55 ... Nut.

Claims (3)

[Scope of utility model registration request] 1. A display device comprising a panel-shaped display section and a main body section for supporting the display section, and two guide grooves formed in parallel on both sides of the main body section, and a guide groove provided on the display section. A hinge part that is movably connected, an engaging part that engages with the guide groove in a movable and rotatable manner, one end that supports the hinge part, and the other end that supports the engaging part, A display device, comprising: two link arms arranged in one guide groove. 2. The display according to claim 1, wherein the main body portion is provided with a restraining means which is fitted near the other end portion of the link arm and fixes the link arm in the guide groove direction. apparatus. 3. The link arm is provided with a fixing means for fixing the engaging portion in the guide groove direction and the rotating direction, and an operation member for displacing the link arm in the guide groove direction or the swinging direction. The display device according to claim 1, wherein: