JP2010226268A - Display part manually rotating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a manually rotating device for display part of simple configuration with low equipment cost, capable of maintaining appropriate rotational load even after repeated rotation, with a display part laterally rotatable by a predetermined angle. <P>SOLUTION: The manually rotating device for display part 1 includes a stand 2 which is a fixed part, a pivot base 3 which is rotatably supported by the stand and is rotated together with the display part, and a rotation support member 4 which supports the pivot base on the stand for free rotation. It further includes a frictional force keeping member 7 provided to an abutment part between the rotating pivot base and the stand, and an elastic force imparting member 5 which causes the pivot base to be pressed against the frictional force keeping member side. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a display unit manual rotation device that rotates a display unit such as a TV or a monitor for a personal computer left and right.

  2. Description of the Related Art Conventionally, there are some display units such as TVs and personal computer monitors that can be rotated in the left-right direction when viewed from the user so that the display screen is directed to the user's desired position. In some cases, the vertical tilt of the display unit can be changed and tilted up and down.

  When the display unit is rotated, it is preferable to rotate the display unit with an appropriate force and maintain the rotation position. Therefore, the stand member is composed of two upper and lower members, and these upper and lower two members are curved surfaces. In addition, there has already been proposed a monitor stand that is configured to be connected to the lower member, provided with a protrusion rotation area on the lower member, and provided with a rotation stop protrusion on the upper member to rotate and move within a predetermined rotation area ( For example, see Patent Document 1).

  In addition, an electric swivel device that includes an electric motor and automatically rotates the display unit and rotates the display unit left and right using a drive unit that is unitized by superimposing small-diameter gears in multiple stages. Has already been proposed (see, for example, Patent Document 2).

JP-A-8-9296 JP 2008-1111497 A

  A display unit such as a TV monitor or a personal computer monitor is preferably displaceable to a position desired by the user so as to be rotatable in the horizontal and horizontal directions. In addition, it is not preferable to use a drive device equipped with an electric motor to perform this rotation operation because it is convenient but increases the equipment cost and makes the device complex.

  Therefore, it is preferable that the display unit can be manually rotated with a simpler configuration and an appropriate rotational load. Further, it is preferable that the rotational load is always a stable rotational load even after the display unit is repeatedly rotated. The rotational load (frictional force) is worn when the upper and lower members rotate repeatedly. ) Is not preferable.

  Furthermore, it is preferable that the member constituting the rotating device is a reliable member that does not increase the manufacturing cost. In addition, even when the size of the display portion is increased, it is preferable that the sliding surface does not wear and can withstand a load of increasing weight.

  In view of the above-described problems, the present invention has a simple configuration, is not expensive in equipment cost, maintains an appropriate rotational load even when repeatedly rotated, and allows the display unit to be rotated to the left and right by a predetermined angle. An object is to provide a manual rotation device.

  In order to achieve the above object, the present invention provides a stand that serves as a fixed portion, a pivot base that is rotatably supported by the stand, and that rotates together with the display unit, and the pivot base that is rotatable with respect to the stand. A rotating support member that holds the friction force maintaining member provided at a contact portion between the rotating pivot base and the stand, and an elastic force that presses the pivot base toward the friction force maintaining member side. It is characterized by being a display unit manual rotation device provided with a force applying member.

  According to this configuration, the friction force maintaining member is provided between the stand serving as the fixed portion and the pivot base serving as the rotating portion, and the pivot base is pressed toward the friction force maintaining member. The frictional force between the bases can be maintained at a predetermined magnitude, and the rotational load can be maintained at an appropriate magnitude when manually rotating. Therefore, it is possible to obtain a display unit manual rotation device that can maintain an appropriate rotational load even when repeatedly rotated and can rotate the display unit left and right by a predetermined angle.

  Further, the present invention is the display-part manual rotation device having the above-described configuration, wherein the stand includes a base part and a central cylinder part, and the pivot base is a flat both-side hem that contacts the upper surface of the base part. And a mounting portion that is fixed to a top plate portion of the bent main body portion, and the center A main body shaft portion penetrating the tube portion, and two upper and lower portions of the main body shaft portion are rotatably mounted on the central tube portion via bushes, and the elastic force applying member is mounted on the main body shaft portion. The both side skirts are biased in the direction in which they are pressed against the base part. According to this configuration, since the pivot base that rotates together with the display unit is made of sheet metal, the parts cost is reduced, and the equipment cost of the rotating device that rotatably supports the inexpensive pivot base is also reduced. In addition, since the skirts on both sides of the pivot base are flat contact portions and a predetermined amount of frictional force is generated, a predetermined frictional force is applied to a predetermined arm length portion, which is exhibited as a moment of this frictional force. Can be stabilized. Therefore, it is possible to obtain a display unit manual rotation device that can maintain an appropriate rotational load even if it is repeatedly rotated and can rotate the display unit left and right by a predetermined angle.

  According to the present invention, in the display unit manual rotation device having the above-described configuration, the frictional force maintaining member is a sliding plate having wear resistance, and the sliding plate is accommodated on the upper surface of the base portion of the stand. It is characterized in that a concave portion protruding at a predetermined height is provided. According to this configuration, the bottom surface of the pivot base rotates while contacting the wear-resistant sliding plate, so that a predetermined stable frictional force can be exhibited and a predetermined rotational load can be maintained. .

  According to the present invention, in the display unit manual rotation device having the above-described configuration, the elastic force applying member is a bar having a spring property, and a central part of the bar is engaged with the main body shaft, and the bar An end support portion that supports both end portions of the base portion and bends by a predetermined dimension is provided at a position corresponding to the contact portion on the lower surface of the base portion. According to this configuration, a predetermined amount of urging force can be obtained by bending a bar having spring property by a predetermined dimension, and the downward load applied on the contact portion by pressing the lower surface corresponding to the contact portion The weight of the display part and the upward pressing force applied downward are the same part, and the load applied to the base part is only the compressive force, and no bending force or tensile force is applied. Therefore, even if the stand is made of resin, creep deformation or damage does not occur.

  Further, according to the present invention, in the manual rotation device for the display unit configured as described above, the rotation support member is made of sheet metal, the attachment portion is divided into right and left ends, and one end portion is bent at a right angle. Further, it is folded back into a U-turn shape, and this U-turn shape portion is attached to a mounting hole provided in the top plate portion of the pivot base, and the other end portion is bent at a right angle in a direction opposite to the one end portion. The U-turn shape portion is folded into a shape and attached to a mounting hole provided in the top plate portion of the pivot base, and an insertion hole for penetrating the elastic force applying member is provided in the main body shaft portion. It is characterized in that a central support portion for supporting the central portion of the elastic force applying member is provided. According to this configuration, since the rotation support member is made of sheet metal, the component cost is low, and the metal plate processing for forming the attachment portion and the insertion hole is easy, so that the manufacturing cost is also low. In addition, since the pivot base is attached to the U-turn shape portion having the front end portion of the sheet metal opened on both sides, a load can be received on the bent flat portion, and a large load can be applied even if it is made of sheet metal.

  According to the present invention, in the display unit manual rotation device having the above-described configuration, display unit mounting portions are provided on both sides of the bent main body unit. According to this configuration, since the display unit is supported at two places in the width direction, even a large display unit can be stably held and can be rotated to the left and right.

  Further, the present invention is characterized in that in the display unit manual rotation device having the above-described configuration, a tilt adjusting member is provided on both sides of the bent main body unit, and a display unit attaching unit is provided on the tilt adjusting member. According to this configuration, the display unit is supported at two positions in the width direction, and is tilted up and down and rotated left and right, so even a large display unit can be stably held and tilted up and down. , Turn left and right.

  Further, in the display unit manual rotation device having the above-described configuration, the present invention is provided with a stop member in the central tube portion that contacts the rotation support member made of sheet metal when the pivot base rotates by a predetermined angle. The pivot angle of the pivot base is defined. According to this configuration, the rotation support member is brought into contact with the stop member provided in the central cylindrical portion to restrict the rotation range. Therefore, the stop member is reliably stopped as a flat stopper shape with which the rotation support member made of sheet metal comes into contact. can do. Further, since the stop member is provided in the central tube portion, the equipment is not exposed, and the display portion manual rotation device with a clean appearance is obtained.

  According to the present invention, in the manual rotation device for the display unit having the above-described configuration, the stop pin member with which the claw portions provided on the outer peripheral portions of the hems on both sides of the pivot base come into contact when the pivot base rotates by a predetermined angle. A pivot angle of the pivot base is defined on the base portion. According to this configuration, the claw portions provided on the outer peripheral portions of the hem portions on both sides of the pivot base are brought into contact with the stop pin member of the base portion and the rotation is stopped, so that the stopper is provided at a portion having a large radius. Thus, the display unit manual rotation device that can exert a large braking force and can be stopped reliably.

  According to the present invention, in the display unit manual rotation device having the above-described configuration, the upper bushing at two upper and lower bushes to be attached to the central cylindrical portion is provided with a flange portion that contacts the upper surface of the central cylindrical portion, and the central A step is formed on the upper surface of the tube portion, and the flange portion is fitted into the step to form a fan shape that can be rotated by a predetermined angle. The fan-shaped flange portion engages with the step to rotate the pivot base. It is characterized by defining an angle. According to this configuration, since the stop member is configured by the upper surface of the central tube portion and the flange portion of the upper bush, the equipment is not exposed to the outside of the pivot base, and the display portion manual rotation device with a clean appearance is obtained.

  According to the present invention, a stand serving as a fixed portion, a pivot base that is pivotally supported by the stand and pivots together with the display unit, and a pivot support that pivotally holds the pivot base with respect to the stand. A friction force maintaining member provided at a contact portion that contacts the stand when the pivot base rotates, and an elastic force applying member that presses the pivot base toward the friction force maintaining member side. Because it is configured, the frictional force between the stand and the pivot base can be maintained at a predetermined height, and the display can be rotated by a predetermined angle to the left and right while maintaining an appropriate rotational load even if it is repeatedly rotated. A display manual rotation device can be obtained.

It is a schematic external view which shows an example of the display part manual rotation apparatus which concerns on this invention. It is sectional drawing which shows the structure of the display part manual rotation apparatus which concerns on this invention. It is a principal part enlarged view of the display part manual rotation apparatus which concerns on this invention, Comprising: (a) shows 1st embodiment of a stop member, (b) shows 2nd embodiment, (c) shows 3rd. An embodiment is shown. It is a schematic external view which shows an example of the display part manual rotation apparatus provided with a tilt adjustment member. It is a general | schematic external view which shows an example of TV equipped with the display part manual rotation apparatus which concerns on this invention.

  Embodiments of the present invention will be described below with reference to the drawings. Moreover, the same code | symbol is used about the same structural member, and detailed description is abbreviate | omitted suitably.

  The display unit manual rotation device according to the present embodiment is a display unit manual rotation device 1 that rotates a display unit such as a TV or a personal computer monitor to the left and right, as shown in FIGS. 1 and 2. A stand 2, a pivot base 3 that is pivotally supported by the stand 2 and pivots together with the display unit, and a pivot support member 4 that pivotally holds the pivot base 3 with respect to the stand 2. It has.

  In addition, when the pivot base 3 rotates, a friction force maintaining member 7 provided at an abutting portion that contacts the stand 2 and an elastic force application that presses the pivot base 3 toward the friction force maintaining member 7 side. The member 5 is provided.

  The stand 2 is a resin molded product including a base portion 21 having a flat upper surface 21 a and a central tube portion 22, and the pivot base 3 is a flat both-side hem that contacts the upper surface 21 a of the base portion 21. It is made of a sheet metal including a portion 31 and a bent main body portion 32 having a convex cross section that straddles the central cylindrical portion 22.

  The rotation support member 4 includes an attachment portion 41 that is fixed to the top plate portion 33 of the bent main body portion 32 and a main body shaft portion 42 that penetrates the central cylindrical portion 22. Are attached to the central tube portion 22 via the bushes 6 (6A, 6B), the elastic force applying member 5 is attached to the main body shaft portion 42, and the side hem portions 31 are connected to the base portion. 21 is configured to be urged in a direction to be pressed against the upper surface 21a.

  The elastic force imparting member 5 can be formed of a material having a spring property. In the present embodiment, a bar having spring properties (for example, a bar made of piano wire or spring steel) is used to engage the central portion of the bar with the main body shaft portion 42 and both ends of the bar. End support portions 24 and 24 that support and bend a predetermined dimension are provided at positions corresponding to the contact portions on the lower surface of the base portion 21.

  As a configuration for engaging the central portion of the elastic force applying member 5 formed of a rod having spring property with the main body shaft portion 42, for example, an insertion hole 44 through which the elastic force applying member 5 penetrates the main body shaft portion 42 is provided. The central portion support portion 44 a that supports the central portion of the elastic force applying member 5 can be provided in the through hole 44.

  For example, a rectangular hole larger than the diameter of the elastic force applying member 5 made of a bar can be used as the insertion hole 44, and a center support portion 44 a that supports the elastic force applying member 5 is formed on the bottom surface of the hole. be able to.

  As shown in FIG. 2, the end support portions 24 and 24 that support both ends of the bar material and bend a predetermined dimension protrude and are integrally formed on the lower surface side of the base portion 21 on which the frictional force maintaining member 7 is provided. ing. Further, the end support portions 24 and 24 may be any shape provided with a groove portion capable of supporting a bar, and the shape is not particularly limited.

  If the bar having spring property is bent by a predetermined dimension at the center support portion 44a and the end support portions 24, 24, a spring force is exerted in a direction to release the bending. Therefore, as shown in the drawing, when both ends of the bar are bent downward from the central portion, an urging force is generated to depress the central support portion 44a, and the rotation support member 4 is directed downward. By urging, both side skirt portions 31 can be urged so as to press against the upper surface 21 a of the base portion 21.

  Since it is configured as described above, an upward force is applied to the end support portions 24, 24 provided on the lower side of the contact portion, and this is caused by a downward force applied on the contact portion. It becomes the structure which compresses a part. In addition, since the upper and lower portions of substantially the same part of the contact portion are compressed, the load applied to the base portion 21 is only the compressive force, and the bending force and the pulling force are not applied. Therefore, even if the stand 2 is made of resin, creep deformation and damage do not occur.

  As described above, since the pivot base 3 is pivoted while being pressed against the base portion 21, a predetermined pivot load is generated. Further, it is more preferable that the frictional force maintaining member 7 is interposed in the contact portion because the frictional force does not fluctuate even if the rotational operation is repeated. As the frictional force maintaining member 7, a sliding plate that exhibits predetermined frictional resistance and wear resistance is preferable. In addition, a recess 21b that accommodates the sliding plate and protrudes at a predetermined height is provided on the base portion upper surface 21a of the stand 2. With this configuration, the bottom surface (both side skirt portions 31) of the pivot base 3 rotates in contact with the wear-resistant sliding plate, so that a predetermined stable frictional resistance is exhibited and a predetermined size is achieved. A rotational load can be maintained. In addition, if the sliding plate has wear resistance, it will not wear even if it is repeatedly rotated, so the frictional resistance does not fluctuate and an appropriate rotational load can be maintained. It can be rotated to the left and right stably.

  As described above, the frictional force maintaining member 7 may be a sliding plate having wear resistance and exhibiting a predetermined frictional resistance. For example, a resin molded product having a self-lubricating property suitable as a sliding material, A wrapping plate or the like that exhibits a predetermined slidability can be used.

  Further, since a predetermined area is required for the friction force maintaining member 7 to exert a predetermined rotational load, in this embodiment, a curved crescent-shaped plate having a predetermined width is used as shown in the figure. It is preferable that the degree of bending be curved in a circular arc shape that is concentric with the rotating skirts 31 on both sides. With this configuration, when the pivot base 3 is rotated, the contact portion that generates the rotation load always contacts at the same radius portion, so that the moment of the frictional force generated at the contact portion rotates stably. The load can be stabilized.

  The rotation support member 4 rotatably supported by the stand 2 via the upper and lower bushes 6 (6A, 6B) can be made of sheet metal. For example, the front end of the sheet metal is divided into left and right, one end is bent at a right angle and then folded back into a U-turn shape, and this U-turn shape portion is attached to a mounting hole provided in the top plate portion 33 of the pivot base 3 41A is formed, the other end is bent at a right angle in the direction opposite to the one end, and then folded back into a U-turn shape, and this U-turn shape portion is formed on the top plate portion 33 of the pivot base 3. A mounting portion 41B to be mounted in the mounting hole to be provided can be formed. In addition, an insertion hole 44 through which the elastic force applying member 5 passes can be provided in the body shaft portion 42 made of sheet metal.

  As described above, when the rotation support member 4 is made of sheet metal, the component cost is low, and the formation of the attachment portion 41 (41A, 41B) and the sheet metal processing for forming the insertion hole 44 are easy, so the manufacturing cost is also low. It becomes. In addition, since the pivot base 3 is mounted on the mounting portion 41 (41A, 41B) which is a U-turn shape portion where the front end portion of the sheet metal is opened on both sides, it is possible to receive a load on the bent flat portion, Even if it exists, a big load load is possible and it is suitable.

  In the display unit manual rotation device having the above-described configuration, the display unit can be mounted on both sides of the bending main body 32. For example, a display portion attaching portion 34 is provided on the side of the bent main body portion 32 and a display portion such as a liquid crystal panel is screwed using attachment holes 39, 39 formed in the display portion attaching portion 34. it can. With this configuration, since the display unit is supported at two places in the width direction, even a large display unit can be stably held and can be rotated left and right.

  The bushes 6 (6A, 6B) to be mounted at two places on the upper and lower sides of the main body shaft portion 42 are resin-made bushes each having an insertion hole that supports the main shaft portion 42 made of sheet metal and a circular outer peripheral portion having slidability. Can be used. For example, the upper bush 6A is mounted on the upper portion of the main body shaft portion 42 and is rotatably fitted in the fitting hole 23 provided on the upper portion of the central cylinder portion 22, and the lower bush 6B is mounted on the lower portion of the main body shaft portion 42 and mounted. The rotation support member 4 can be mounted on the stand 2 so as to be rotatable.

  Next, the structure which prescribes | regulates the rotation angle of the pivot base 3, ie, the rotation angle of a display part, is demonstrated using FIG.

  In order to define the rotation angle of a display unit such as a TV or personal computer monitor, the rotation angle of the pivot base 3 may be defined. Therefore, in the present embodiment, a first embodiment that defines the rotation angle of the rotation support member 4 that rotates integrally with the pivot base 3, a second embodiment that defines the rotation angle of the pivot base 3 itself, Any one of the third embodiments defining the rotation angle of the upper bushing 6A that rotates integrally with the rotation support member 4 is used.

  FIG. 3A shows the first embodiment. In this embodiment, stop members 61 and 62 are provided inside the central cylindrical portion 22 of the stand 2 so as to come into contact with and stop when the pivot base 3 is rotated by a predetermined angle. The position indicated by the solid line in the figure is a position where the pivot base 3 is rotated counterclockwise from the neutral position. At this time, the main body shaft portion 42 of the rotation support member 4 abuts against the stop member 61 and rotates. The movement is stopped.

  The stop member 61 may be brought into contact with one side of the rotating plate-like main body shaft portion 42. As shown in FIG. You may make it contact | abut on both sides of the part 42. FIG. Further, when it rotates clockwise, it is brought into contact with the stop member 62 and stopped. This stop member 62 can also be provided at one location that contacts one side of the plate-shaped main shaft portion 42 or at two locations that contact both sides of the plate-shaped main shaft portion 42.

  The stop members 61 and 62 may be integrally formed in the central cylindrical portion 22, or another member including the stop members 61 and 62 may be mounted in the central cylindrical portion 22. There is no particular limitation.

  According to the first embodiment described above, the rotation support member 4 is brought into contact with the stop members 61 and 62 provided in the central cylindrical portion 22 of the stand 2 to restrict the rotation range. The contact portion can be reliably stopped as a flat stopper shape with which the rotation support member 4 made of sheet metal abuts. In addition, since the range in which the stop members 61 and 62 can be rotated is restricted, the stop members 61 and 62 may be disposed at a position where a desired rotation angle is obtained. Further, since the display portion manual rotation device stop members 61 and 62 that can be rotated by a predetermined angle are provided in the central cylinder portion 22, the display portion manual rotation device with a clean appearance without exposing the equipment.

  In the second embodiment shown in FIG. 3B, claw portions 35 (35 </ b> A, 35 </ b> B) are provided on the outer peripheral portion of both side skirt portions 31 of the pivot base 3, and the stop pin member 25 (25 </ b> A) is provided on the base portion 21 of the stand 2. 25B) to define the pivot angle of the pivot base 3.

  According to the second embodiment described above, when the pivot base 3 is rotated counterclockwise from the neutral position as shown by the solid line in the figure, the claw portion 35A is in contact with the stop pin member 25A and is rotated. Stopped. Further, when rotating in the reverse clockwise direction, the claw portion 35B comes into contact with the stop pin member 25B and the rotation is stopped.

  Therefore, in the second embodiment, the claw portions 35 (35A, 35B) provided on the outer peripheral portions of the both side skirt portions 31 of the pivot base 3 abut on the stop pin members 25 (25A, 25B) of the base portion 21. Since the rotation is stopped, the stopper is provided at a portion having a large radius, and a large braking force can be exerted, so that the display portion manual rotation device that can be stopped reliably is obtained.

  Further, as in the third embodiment shown in FIG. 3C, the pivot angle of the pivot base 3 is also defined by defining the pivot angle of the upper bush 6 </ b> A that pivots integrally with the pivot support member 4. can do.

  For example, a step 26 is formed on the upper surface of the central cylindrical portion 22, and a fan-shaped flange 36 that fits into the step 26 and can be rotated by a predetermined angle is provided on the upper bush 6 </ b> A. The range that rotates within the range 26 is a rotatable range.

  That is, when the pivot base 3 is in the neutral position, the flange portion 36 is positioned at the substantially central position of the step 26, and when the pivot base 3 rotates in one direction, the flange portion 36 is shown as indicated by a solid line in the figure. When the pivot base 3 rotates in the other direction, it can come into contact with the other wall of the flange 36 and stop.

  Even in this case, the step 26 and the flange 36 can be provided at one place or at a plurality of places (for example, two places).

  If it is 3rd embodiment of the said structure, the rotation range of the rotation support member 4 can be controlled by controlling rotation of the upper bush 6A rotated with the pivot base 3. FIG. Further, since the stop member is constituted by the upper surface of the central cylindrical portion 22 and the flange portion 36 of the upper bush 6A, the equipment is not exposed to the outside of the pivot base 3, and the display portion manual rotation device with a clean appearance is obtained. .

  By restricting the pivot range of the pivot base 3 as in the first, second, and third embodiments described above, the pivot range of a display unit such as a TV or personal computer monitor is regulated to a predetermined angle. can do. Further, by making the member for that purpose, the pivot base 3 and the rotation support member 4 made of sheet metal, the component cost is reduced, the manufacturing cost is also reduced, and the equipment cost can be saved. In addition, since a sliding plate that has wear resistance and exhibits a predetermined frictional resistance is used, an appropriate rotation load is maintained even when it is repeatedly rotated, and the display unit is manually moved at a predetermined angle left and right. A pivotable display unit manual pivoting device can be configured.

  In the case of a type in which the display unit is rotated in the up-down direction, that is, tilted, the display unit manual rotation device 1A shown in FIG. 4 can be used.

  The display unit manual rotation device 1A has the same configuration as the display unit manual rotation device 1 described above. However, the pivot base 3 is a pivot base 3A configured such that a tilt adjustment member 37 can be attached to each side of the bending main body 32, and the bending main body 32 and the tilt adjustment member 37 are replaced with the display mounting portion 34. The structure in which the tilt arm 38 is interposed is different. The tilt adjusting member 37 only needs to be configured to permit rotation of the tilt arm 38 in the tilt direction and to be sandwiched between the side portions of the bending main body 32, and a conventionally known tilt member can be used. .

  For this purpose, the display unit manual rotation device 1A having the above configuration is provided with mounting holes 39 (39A, 39B) for mounting the display unit on the tilt arm 38, and the mounted display unit (not shown) is attached to the pivot base 3A. Thus, it can be tilted to an arbitrary angle by rotating in the vertical direction. The mounting hole 39 may be any hole that can be mounted with a mounting screw or the like. However, as shown in the drawing, when a round hole-shaped mounting hole 39A and a long-hole-shaped mounting hole 39B are used, the mounting part Therefore, it is possible to easily cope with the dimensional variation due to the manufacturing error.

  Even in the display unit manual rotation device 1A provided with the tilt arm 38, when the display unit is rotated in the horizontal direction, the display unit and the pivot base 3A are similar to the display unit manual rotation device 1 described above. And rotate together. Moreover, even if it repeatedly rotates in the horizontal direction, an appropriate rotation load is maintained, and the display unit manual rotation device is capable of rotating the display unit left and right by a predetermined angle.

  The display unit manual rotation device 1 or 1A according to the present invention can be applied to a device in which a display unit such as a TV or a personal computer monitor is rotatably installed. Therefore, an example of a TV equipped with the display unit manual rotation device 1 or 1A will be described with reference to FIG.

  The illustrated embodiment is an example in which the display unit manual rotation device 1, 1 </ b> A is mounted on the back side of the TV 10, and the stand 2 is fitted and fixed to the fitting unit 11 a of the fixed base 11. A cover member 12 covers the pivot bases 3 and 3A with the mounting holes 39 and 39 exposed, and is fixed to the upper surface of the pivot bases 3 and 3A and rotates together with the pivot bases 3 and 3A. It is configured.

  Therefore, when the upper base ends of the TV 10 fixed to the mounting holes 39 and 39 are lightly pressed by hand and are rotated in the direction of rotation, the fixed base 11 and the stand 2 are stopped and the upper pivot base 3 from the stand 2 is stopped. 3A and the cover member 12 rotate together with the TV 10. In this way, by using the fixed base 11 that fixes the stand 2 and permits the pivot bases 3 and 3A and the display units such as the TV 10 and the personal computer monitor attached to the pivot bases 3 and 3A to rotate, the fixed base 11 is used. The display unit such as the TV 10 or personal computer monitor installed on the screen can be freely rotated, and the display unit can be disposed at a desired position.

  As described above, according to the display unit manual rotation device according to the present invention, the friction force maintaining member 7 is provided between the stand 2 serving as the fixed unit and the pivot bases 3 and 3A serving as the rotation unit. Since the pivot base is pressed toward the force maintaining member, the frictional force between the stand and the pivot base can be maintained at a predetermined level, and the rotational load when rotating manually is set to an appropriate level. Can be maintained. Therefore, it is possible to obtain the display unit manual rotation device 1 or 1A that can maintain an appropriate rotational load and can rotate the display unit left and right even if it is repeatedly rotated.

  Furthermore, since the pivot bases 3 and 3A and the rotation support member 4 are made of sheet metal, the parts cost is low, and the metal plate processing for forming the attachment portion and the insertion hole is easy, so that the manufacturing cost is also low. Become. In addition, since the pivot bases 3 and 3A are mounted on the mounting portions 41 (41A and 41B) which are U-turn shaped portions with the tip end portions of the sheet metal rotation support members opened on both sides, the load is applied to the bent flat portions. Even if it is a sheet metal rotation support member, it can be a display unit manual rotation apparatus capable of applying a large load.

  Therefore, the display unit manual rotation device according to the present invention can be suitably applied to a display unit manual rotation device that manually rotates a display unit such as a TV or a personal computer monitor in the horizontal direction. Furthermore, it is suitable for a manual rotation device of a liquid crystal TV display unit provided with a liquid crystal panel for which optimization of the display screen angle is desired.

DESCRIPTION OF SYMBOLS 1, 1A Display part manual rotation apparatus 2 Stand 3, 3A Pivot base 4 Rotation support member 5 Elastic force provision member 6 Bush 6A Upper bush 6B Lower bush 7 Friction force maintenance member (sliding plate)
21 Base part 22 Central cylinder part 31 Both-sides hem part 32 Bending main-body part 41 Attachment part 42 Main-body shaft part

Claims (10)

A stand serving as a fixed portion, a pivot base that is pivotally supported by the stand and pivots together with the display unit, and a pivot support member that pivotally holds the pivot base with respect to the stand;
And a friction force maintaining member provided at a contact portion between the pivot base that rotates and the stand, and an elastic force applying member that presses the pivot base toward the friction force maintaining member. Display part manual rotation device to do. The stand includes a base portion and a central tube portion,
The pivot base is made of a sheet metal having flat side hems that contact the upper surface of the base part, and a bent main body part having a convex cross section straddling the central cylinder part,
The rotation support member includes an attachment portion that is fixed to the top plate portion of the bent main body portion, and a main body shaft portion that penetrates the central cylinder portion, and two upper and lower portions of the main body shaft portion are respectively interposed via bushes. Attached rotatably to the central tube part,
The display unit manual rotation according to claim 1, wherein the elastic force applying member is attached to the main body shaft portion and urged in a direction in which the both side skirt portions are pressed against the base portion. apparatus.   The frictional force maintaining member is a sliding plate having wear resistance, and a concave portion that accommodates the sliding plate and protrudes at a predetermined height is provided on the upper surface of the base portion of the stand. The display part manual rotation apparatus of Claim 2.   The elastic force applying member is a bar having a spring property, and an end support part that engages a central part of the bar with the main body shaft part and supports both ends of the bar to bend a predetermined dimension. The display unit manual rotation device according to claim 2, wherein the display unit manual rotation device is provided at a position corresponding to the contact portion on the lower surface of the base unit.   The rotation support member is made of sheet metal, the attachment portion is divided into left and right end portions of the sheet metal, one end portion is bent at a right angle, and further folded into a U-turn shape. It is attached to a mounting hole provided in the top plate portion of the base, the other end portion is bent at a right angle in a direction opposite to the one end portion, and further folded back into a U-turn shape, and this U-turn shape portion is turned to the top of the pivot base. Attaching to a mounting hole provided in the plate part, providing an insertion hole for penetrating the elastic force applying member in the main body shaft part, and providing a central part supporting part for supporting the central part of the elastic force applying member in the through hole 5. The display unit manual rotation device according to claim 2, wherein the display unit manual rotation device is provided.   6. The display unit manual rotation device according to claim 2, wherein display unit mounting portions are provided on both side portions of the bent main body unit.   6. The display unit manual rotation device according to claim 2, wherein a tilt adjusting member is provided on both sides of the bent main body, and a display unit attaching unit is provided on the tilt adjusting member.   A rotation member of the pivot base is defined by providing a stop member in the central tube portion with which the rotation support member made of sheet metal comes into contact when the pivot base rotates by a predetermined angle. Item 8. The manual rotation device for the display unit according to any one of Items 2 to 7.   When the pivot base is rotated by a predetermined angle, a stop pin member is provided on the base portion that abuts on the outer peripheral portions of the skirts on both sides of the pivot base to define the pivot angle of the pivot base. The display portion manual rotation device according to claim 2, wherein the display portion manual rotation device is provided.   The upper bushing at two upper and lower bushes to be attached to the central cylinder part is provided with a flange part that comes into contact with the upper surface of the central cylinder part, and a step is formed on the upper surface of the central cylinder part. 8. A fan-like shape that can be fitted into the fan and rotatable at a predetermined angle, and the fan-shaped flange engages with the step to define the rotation angle of the pivot base. The display part manual rotation apparatus of crab.

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