JP2017008976A - Retainer for image display device and image display device using retainer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a retainer for retaining an image display device at a wall part and the like in such a way that its installation angle can be adjusted, designed not to be damaged even if an angle of an image display device is varied without releasing lock means.SOLUTION: The prescribed problem has been solved by an arrangement in which lateral oscillation control means having a lateral oscillation hinge shaft and vertical oscillation control means having a vertical oscillation hinge shaft constituting a retainer are provided. The lateral oscillation lock means or vertical oscillation lock means is composed of: a fixed gear and a rotary gear capable of engaging with each other in their plane directions; a wave washer arranged between this fixed gear and the rotary gear, an elastic member to bring the fixed gear and the rotary gear into press contact with each other, a pressing washer, and lateral and/or vertical lock levers for engaging or disengaging the fixed gear and the rotary gear that are fixed to the lateral oscillation hinge shaft and the vertical oscillation hinge shaft while being abutted against this pressing washer.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a holding device for an image display device such as a monitor television set including, for example, a liquid crystal television and a plasma television, and an image display device using the holding device.

  2. Description of the Related Art Conventionally, a holding device used when a video display device such as a monitor television is attached to a support means such as a wall is known as described in Patent Documents 1 and 2 below. Such a known holding device is configured to hold the image display device so that the image display device can be swung in the front-rear direction. However, the image display device can hold the image display device at a desired angle with its own weight, vibration, or other reasons. In order to prevent the tilt angle of the display device from changing, a friction mechanism constituted by an elastic means such as a friction plate or a disc spring is provided.

JP 2006-029532 A Japanese Patent Laid-Open No. 2007-139012

  However, in the above-described holding device according to the known prior art document, this configuration is sufficient when the video display device is small and light or when the holding device does not receive a very large friction torque depending on the installation state. When the video display device is large and heavy, or when a large friction torque is applied to the holding device such as a wall-mounted type, the tilt angle of the video display device changes over time, which is not practical. . However, if the locking device is added to the holding device, if the tilt angle is changed inadvertently without being unlocked, or if the video display device shakes greatly due to an earthquake, etc., the locking device will be destroyed. A new problem has arisen.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a holding device for a video display device in which the lock means is not destroyed even if the angle of the video display device is changed without releasing the lock when the video display device is locked by the lock means. In addition, an image display device using the holding device is provided.

  In order to achieve the above-described object, the holding device according to claim 1 is a holding device that holds the video display device so that the video display device can swing in a horizontal direction and / or a vertical direction with respect to the support means. A left and right swing hinge shaft and / or a vertical swing hinge shaft is provided between a holding plate to be mounted and a mounting plate mounted on the support means side, and the left and right swing hinge shaft and / or vertical swing hinge shaft is provided. Provided with left / right swing control means and / or vertical swing control means for controlling the left / right and / or vertical swing of the holding plate, and one of these left / right swing control means and / or vertical swing control means. And the left and right swing hinge shafts on either side of the left and right swing hinge shafts or the upper and lower swing hinge shafts. A fixed gear and a rotating gear that can be engaged with each other in the surface direction by inserting the shaft and / or the hinge shaft for swinging up and down, a wave washer provided between the fixed gear and the rotating gear, and the fixed gear and the rotating gear. The elastic member to be pressed and the presser washer, and the fixed gear and the rotary gear that are attached to the left and right swing hinge shaft and the vertical swing hinge shaft in contact with the presser washer are disengaged from each other. Left and right swing and / or vertical swing lock means comprising left and right and vertical lock levers to be performed, and the left and right swing hinge shaft on the other side of the left and right swing hinge shaft and / or the vertical swing hinge shaft, Or multiple friction washers, elastic by inserting the hinge shaft for swinging up and down Wood, and is characterized in that a left and right and or vertical friction torque generating means consists of holding washer.

  Next, the holding device according to claim 2 is a holding device that holds the video display device so that the video display device can swing in a horizontal direction and a vertical direction with respect to the support means, the holding plate to which the video display device is attached, and the support A left and right swing control means having a left and right swing hinge shaft and a vertical swing control means having a vertical swing hinge shaft are provided between a mounting plate attached to the means side, and the left and right swing control means is A fixed gear and a rotating gear provided on one side of the left and right swing hinge shaft, which can be engaged with each other in the surface direction by inserting the left and right swing hinge shaft, and provided between the fixed gear and the rotating gear. A wave washer, an elastic member that presses the fixed gear and the rotary gear together, a presser washer, and the left and right oscillations in contact with the presser washer Left and right swing lock means comprising left and right lock levers attached to the hinge shaft and a left and right swing hinge shaft provided on the other side of the left and right swing hinge shaft, and a plurality of frictions. It comprises a left and right friction torque generating means comprising a washer, an elastic member, and a presser washer. The vertical swing control means is inserted into one side of the vertical swing hinge shaft. A rotating gear and a fixed gear that can mesh with each other in the surface direction, a wave washer provided between the rotating gear and the fixed gear, an elastic member that presses the rotating gear and the fixed gear against each other, a press washer, and a press washer The fixed gear attached to the upper and lower swing hinge shaft and the rotation A plurality of friction washers that are provided on the other side of the upper and lower swing hinge shafts, through which the upper and lower swing hinge shafts are inserted; The upper and lower friction torque generating means is composed of an elastic member and a presser washer.

  Next, according to a third aspect of the present invention, in the holding device according to the first aspect, the left and right swing hinge shafts and the upper and lower swing hinge shafts according to the first and second aspects are connected in directions orthogonal to each other via a joint member. It is characterized by that.

  According to a fourth aspect of the present invention, there is provided the holding device according to the first or second aspect, wherein the left / right swing control means and the vertical swing control means are the same as the left / right swing hinge shaft and the vertical swing swinging means. It has a stopper means for restricting the rotation angle of the hinge shaft.

  Next, the holding device according to claim 5 has an attachment / detachment mechanism for the video display device, and the attachment / detachment mechanism is attached to the holding plate of the video display device so as to be detachable from the upper and lower necks. The adapter member includes a pair of brackets that pivotally support the swinging hinge shaft, and a locking member that is attached to the holding plate and that disengages the adapter member from the holding plate.

  Furthermore, the holding device according to claim 6 has a concave shape in which the adapter member is fitted to the outside of the convex mounting portion provided on the holding plate, and a lower locking pin is provided at an upper end thereof. An upper engagement groove is provided on the side, and the lower locking pin is fitted into a lower engagement groove provided on the lower end portion side of the attachment portion, and the upper engagement groove is attached to the upper end portion of the attachment portion. The locking member has a convex shape that fits inside the mounting portion, is slidably attached to the holding plate in a vertical direction, and is tensioned between the upper locking pin. The coil spring is stretched, and the lower locking groove provided on the lower end side is locked with the lower locking pin together with the lower engagement groove provided on the mounting portion, and the locking member is slid By letting the adapter Characterized by being configured to perform engagement dissociation with respect to the lower locking pin member.

  The holding device according to claim 7 is attached to the support means by the holding device according to any one of claims 1 to 6.

  Since the present invention is configured as described above, according to the first aspect of the present invention, the video display device attached to the supporting means such as the wall portion and the pillar via the holding device includes the left and right swing control means and / or the vertical swing. The left and right swing lock means can be mounted to swing left and right and up and down by the left and right swing lock means and the vertical swing lock means and the left and right friction torque generating means and / or the vertical friction torque generating means of the control means. In addition, even if the horizontal swing angle and / or vertical swing angle of the image display device is changed without releasing the vertical swing lock means, the holding device is not broken.

  According to a second aspect of the present invention, since the holding device is equipped with the left and right swing control means and the vertical swing control means according to claim 1, the left and right swing control means and the vertical swing control means are provided. The left and right swing lock means, the vertical swing lock means, the left and right friction torque generating means and the vertical friction torque generating means can attach the video display device to the support means so as to be able to swing left and right and up and down. Even if the horizontal and vertical swing angles of the video display device are changed without releasing the swing lock means and / or the vertical swing lock means, the holding device is not broken.

  According to the fourth aspect of the present invention, the horizontal and vertical swing angles of the video display device can be regulated within a predetermined range by the stopper means.

  Furthermore, according to the fifth aspect of the present invention, since the video display device can be attached to and detached from the holding device by the attaching / detaching mechanism, it is convenient when exchanging and repairing the video display device.

  According to the seventh aspect of the present invention, it is possible to provide a video display device in which the video display device attached to the holding device can be arbitrarily adjusted in the left-right direction and / or the front-back direction swing angle within a predetermined range, or can be detached. Is.

It is the perspective view which looked at the state which attached the holding | maintenance apparatus which concerns on this invention to the back side of the video display apparatus from back. It is the expansion perspective view which looked at the holding device concerning the present invention from the front. It is the perspective view which removed each cover part and attachment plate which cover a left-right swing control means and a vertical swing control means from the holding | maintenance apparatus which concerns on this invention, and was seen from back. It is the partial exploded top view which removed and removed each cover part and attachment plate which cover a right-and-left swing control means and a vertical swing control means from the holding | maintenance apparatus which concerns on this invention. It is the partial exploded side view which removed and looked at each cover part and attachment plate which cover a left-right swing control means and a vertical swing control means from the holding device concerning the present invention. It is the disassembled perspective view which looked at the holding | maintenance apparatus which concerns on this invention from back. It is a figure for demonstrating the right-and-left and up-and-down swing lock means of the holding | maintenance apparatus which concerns on this invention, (a) shows the state before a lock | rock, (b) has shown the locked state. It is an expansion disassembled perspective view of the right-and-left and up-and-down swing lock means of the holding device concerning the present invention. It is a longitudinal cross-sectional view of the holding plate of the holding device which concerns on this invention. It is a longitudinal cross-sectional view of the locking member of the holding device according to the present invention. The left and right swing hinge shaft of the holding device according to the present invention is shown, (a) is a perspective view thereof, (b) is a longitudinal sectional view thereof. The joint member of the holding | maintenance apparatus which concerns on this invention is shown, (a) is the front view, (b) is the longitudinal cross-sectional view. The hinge shaft for the vertical swing of the holding | maintenance apparatus which concerns on this invention is shown. (A) is the front view, (b) is the longitudinal cross-sectional view. It is a perspective view of the 1A bracket and the 1B bracket of the holding device concerning the present invention. It is a perspective view of the 2A bracket and 2B bracket of the holding device concerning the present invention. The rotation gear of the vertical swing lock means is shown as a fixed gear of the left and right swing lock means of the holding device according to the present invention, (a) is a perspective view seen from the plane side, (b) is a perspective view seen from the bottom side It is. It is a perspective view of the fixed gear of the vertical swing lock means by the rotation gear of the left and right swing lock means of the holding device according to the present invention. The wave washer of the holding | maintenance apparatus which concerns on this invention is shown, (a) is the top view, (b) is the side view. FIG. 4 shows a friction washer having a retaining piece of a holding device according to the present invention, wherein (a) is an enlarged perspective view of the left and right friction torque generating means, and (b) is an enlarged perspective view of the upper and lower friction torque generating means. is there. It is a perspective view which shows the 1A and 2A cover part by the side of a vertical swing control means and a left-right swing control means among the covers of the holding | maintenance apparatus which concerns on this invention. It is a perspective view which shows the 1B and 2B cover part by the side of a vertical swing control means and a left-right swing control means among the covers of the holding | maintenance apparatus which concerns on this invention. It is explanatory drawing explaining the swing operation | movement of the left-right direction of the holding | maintenance apparatus which concerns on this invention. It is explanatory drawing explaining the swing operation | movement of the up-down direction of the holding | maintenance apparatus which concerns on this invention. The operation | movement of the attachment / detachment mechanism of the video display apparatus in the holding | maintenance apparatus which concerns on this invention is demonstrated, (a) shows the state before removal of a video display apparatus, and the part of A view is the one part enlarged view, (b). Shows the state of the start of removal, part B view is an enlarged view of part thereof, (c) shows a state in the middle of removal, and (d) shows the state after removal.

  Embodiments in which the holding device according to the present invention is used in a liquid crystal monitor television which is an example of a video display device will be described below with reference to the drawings. However, the video display device using the holding device according to the present invention is not limited to a liquid crystal monitor television, and is used as a holding device for a video display device such as a plasma television or a liquid crystal television. Further, the present invention may be realized only by the left / right swing control means or the vertical swing control means. In other words, it is applied to a holding device constituted by only one of the left and right swing control means and the vertical swing control means.

  As shown in FIGS. 1 to 21, the holding device B of the video display device A according to the present invention includes a mounting plate 1 attached to the support means C side such as a wall and a holding plate 2 to which the video display device A is attached. The left and right swing hinge shafts 3 and the vertical swing hinge shafts 4 are provided in directions orthogonal to each other, and the left and right swing angles of the holding plate 2 on the side of the left and right swing hinge shafts 3 are provided. A vertical swing control means D for controlling the vertical swing angle of the holding plate 2 is provided on the vertical swing shaft 4 side.

  First, the left / right swing control means D will be described. The left / right swing hinge shaft 3 of the left / right swing control means D includes a large-diameter portion 3a at the center and small-diameter portions 3b, 3c at both ends thereof. The small-diameter portions 3b, 3c are attached to the mounting plate 1 described later. The bearings 25e and 26e of the attached first A bracket 25 and first B bracket 26 are rotatably supported.

  As shown in FIGS. 6 and 8, the left / right swing control means D is inserted through one small-diameter portion 3b of the left / right swing hinge shaft 3 and meshes with the fixed gear 5 and the rotating gear. 6. A wave washer 7 (see FIG. 18) having an insertion hole 7a provided between the fixed gear 5 and the rotary gear 6; in order to press the fixed gear 5 and the rotary gear 6 together, The elastic means 8 including a plurality of disc springs 8 a to 8 c having insertion holes 8 d, 8 d, 8 d provided, a presser washer 9 having a deformation insertion hole 9 a, and the presser washer 9 of the left and right swing hinge shaft 3 Left / right swing lock means comprising a left / right lock lever 10 rotatably attached to a mounting pin 10a attached in a direction perpendicular to the left / right swing hinge shaft 3 1 and the other small-diameter portion 3c of the left and right swing hinge shaft 3 are inserted into the friction means 11 including a plurality of friction washers 11a to 11d, an elastic member 12 including a disc spring having an insertion hole 12a, and deformation. It comprises a presser washer 13 having an insertion hole 13a and a left and right friction torque generating means D2 including a tightening nut 13b screwed to the male screw portion 3f. The shapes of the friction washers 11a to 11c are collectively shown in FIG.

  Next, the vertical swing control means E will be described. The vertical swing hinge shaft 4 of the vertical swing control means E comprises a central large diameter portion 4a and small diameter portions 4b and 4c on both ends thereof, and each of the small diameter portions 4b and 4c is an adapter member which will be described later. 28, the second A bracket 30 and the second B bracket 31 are pivotally supported in the shaft support holes 30j and 31j.

  As shown in FIGS. 6 and 8, the rotating gear 14 and the fixed gear 15 that are meshed with each other in the surface direction are inserted through the one small diameter portion 4b of the vertical swing hinge shaft 4, and the rotating gear 14 and the fixed gear. 15, a wave washer 16 having an insertion hole 16a provided between them (see FIG. 18), an elastic member 17 composed of disk springs 17a to 17c for pressing the rotating gear 14 and the fixed gear 15 together, and a modified insertion hole 18a. And a vertical lock lever 19 rotatably attached to a mounting pin 19a attached to the side of the presser washer 18 of the vertical swing hinge shaft 4 in a direction orthogonal to the vertical swing hinge shaft 4. The small-diameter portion 4c is arranged on the side of the other small-diameter portion 4c of the vertical swing shaft 4 and the vertical swing-lock means E1 constituted by The friction means 20 including a plurality of friction washers 20a to 20f, the elastic member 21 including a disc spring, the presser washer 22, and the portion protruding from the presser washer 22 on the small diameter portion 4c side are caulked from the caulking portion 4d. The upper and lower friction torque generating means E2 is configured. Further, the disc springs 17a to 17c are provided with insertion holes 17d, 17d, and 17d for inserting the small diameter portion 4c, and the elastic member 21 and the presser washer 22 are inserted and engaged with the small diameter portion 4c in the central axis direction. Insertion holes 21a and 22a are provided.

  In addition, as described above, there is an embodiment in which the left and right swing control means D and the vertical swing control means E of the holding device B according to the present invention are only one of them.

  The structure of the holding device B will be described in more detail. The mounting plate 1 is a frame having a planar rectangular shape as shown in FIGS. 1, 2 and 7, and provided at four corners. It attaches to the support means C, such as a wall part, with the attachment screw which is not shown in figure through attachment hole 1a, 1a .. The support means C is an example, and may be a column or some other support stand installed on a stand, for example.

  As shown in FIGS. 6 and 9, the holding plate 2 has a planar convex shape. The mounting portion 2a protrudes from the central portion, and more outward from both side plates 2b and 2b of the mounting portion 2a. It is composed of mounting plate portions 2c and 2c formed by bending them. Lower engagement grooves 2f and 2f provided from the attachment portion 2a to both side plates 2b and 2b are provided on the lower side of the attachment portion 2a, and an attachment hole 2e provided on the upper side of the both side plates 2b and 2b has An upper locking pin 2d is attached. Further, the indication symbols 2h and 2h are raised portions for preventing play of the adapter member 28, and the indication symbols 2i and 2i on the upper locking pin 2d are the upper locking grooves of the locking member 29. 29g is a circumferential groove into which 29g fits.

  A pair of mounting holes 1b, 1b, 1c, and 1c are provided in the central portions of the mounting plate 1 in the vertical position, and the first A bracket 25 and the first B bracket 26 are provided in the mounting holes 1b, 1b, 1c, and 1c, respectively. It is attached via attachment screws 25d, 25d, 26d, and 26d. The first A bracket 25 and the first B bracket 26 have the same shape and configuration. First, the first A bracket 25 will be described. The mounting plate portion 25a is provided with mounting holes 25b and 25b, and a bearing plate portion 25c is formed by bending the mounting plate portion 25a. Are attached to the mounting plate using mounting screws 25d and 25d. The first B bracket 26 includes a mounting plate portion 26a provided with mounting holes 26b and 26b, and a bearing plate portion 26c formed by bending the mounting plate portion 26a. The mounting plate portion 26a is attached to a mounting screw 26d. , 26d are attached to the mounting plate 1. As shown in FIG. 14, the first A bracket 25 and the first B bracket 26 are further provided with a pair of bearing plate portions 25c and 26c, each of a first A cover portion 23 and a first B cover portion 24 to be described later. The locking portions 25f, 25f, 26f, and 26f for locking the locking pieces 23a, 23a, 24a, and 24a, and particularly the stopper pieces provided at the upper and lower ends of the joint member 27 as shown in FIGS. 27b, 27b, shaft stopper portions 25g, 25g, 26g, 26g for restricting the rotation of the left and right swinging hinge shaft 3 to 90 ° in total by 90 ° left and right, and locking portions 25h of the friction washers 11b, 11c , 25h, .26h, and 26h. In this specification, the first A cover part 23 and the first B cover part 24, and the second A cover part 32 and the second B cover part 33 may be simply referred to as a cover part.

  As shown in FIGS. 6 and 11, the large-diameter portion 3a of the left and right swinging hinge shaft 3 is provided with a pair of mounting holes 3d and 3d penetrating in the radial direction. As shown in FIGS. 6 and 12, through the provided mounting holes 3d and 3d, the mounting screws 27a and 27a are screwed into the female screw holes 27d and 27d provided in the joint member 27, whereby the joint member 27 is moved. It is attached. Further, the small diameter portion 3b is provided with an attachment hole 3e for the attachment pin 10a for attaching the left and right lock lever 10, the small diameter portion 3c is provided with a male screw portion 3f, and the friction washer is provided below the large diameter portion 3a. Locking grooves 3g and 3g for locking the locking pieces 11e and 11e of 11a are provided.

  The fixed gear 5 is provided with gear portions 5b and 5b which are located on the outer peripheral side on one surface side and separated at the central portion thereof, while allowing the small diameter portion 3b to be rotatably inserted into the circular bearing hole 5a. On the side opposite to the side where the gear portions 5b and 5b are provided, there are provided engaging convex portions 5c and 5c which are locked to the locking portions 25h and 25h provided on the first A bracket 25. The rotating gear 6 is engaged with the small diameter portion 3b by passing the deformation insertion hole 6a provided in the axial direction of the center portion through the small diameter portion 3b, and is positioned on the outer peripheral side of the rotation gear 6 and the gear portions 5b, 5b. An intermeshing gear portion 6b is provided. The left and right lock lever 10 has a pair of attachment pieces 10b and 10b attached to the attachment pin 10a, and cam portions 10c and 10c are provided on the attachment pieces 10b and 10b.

  Circular insertion holes 11f, 11f, 11f are provided in the axial direction of the central portions of the friction washers 11a, 11b, 11c of the left and right friction torque generating means D2, and the respective locking pieces 11e, 11e projecting from the outer peripheral portions. Among the locking pieces 11h, 11h, 11h, and 11h, the locking pieces 11e and 11e of the friction washer 11a are locked in locking grooves 3g and 3g provided in the left and right swing hinge shaft 3, and the friction washer 11b. 11c, the respective locking pieces 11h, 11h, 11h, 11h are locked to the locking portions 26h, 26h provided on the first B bracket 26. Further, the friction washer 11d having no locking piece is engaged with the small diameter portion 3c by inserting the small diameter portion 3c into the deformation insertion hole 11g provided in the central portion axial direction.

  A first A cover portion 23 and a first B cover portion 24 are attached to the left and right swing lock means D1 and the left and right friction torque generating means D2, respectively. Of these, the first A cover portion 23 is formed by engaging the locking pieces 23a and 23a provided on the inner side with the locking portions 25f and 25f provided on the first A bracket 25 as shown in FIG. Covering the swing control means D1, the plate portion 23b is provided with an insertion hole 23c for operating the left and right lock lever 10. As shown in FIG. 21 in particular, the first B cover portion 24 has the engagement pieces 24a, 24a provided on the inner side thereof engaged with the engagement portions 26f, 26f provided on the first B bracket 26, and left and right friction torques. The generating means D2 is covered.

  A mounting screw 4h through a mounting hole 4e provided through the large-diameter portion 4a of the vertical swing hinge shaft 4 in the radial direction is provided in the joint member 27 as shown in FIGS. 6 and 12 in particular. By being screwed into the female screw hole 27e, it is attached to the left and right swing hinge shaft 3 in an orthogonal state. The reference symbol 4 i is a mounting hole for mounting the mounting pin 19 a of the upper and lower lock lever 19.

  Mounting plate portions 28c and 28c project from both sides of the both side plates 28b and 28b bent from the mounting portion 28a of the adapter member 28, and a pair of mounting portions provided on the mounting plate portions 28c and 28c. In particular, the second A bracket 30 and the second B bracket 31 having the shape shown in FIG. 15 are attached to the holes 28d, 28d, 28d, and 28d (only one is shown) via attachment screws 30a, 30a, 31a, and 31a. The adapter member 28 is further provided with a lower locking pin 28f in a mounting hole 28e provided on the lower side of both side plates 28b, 28b, and an upper locking pin on the holding plate 2 side at the upper end of the side plates 28b, 28b. Upper engaging grooves 28g and 28g for engaging with 2d are provided.

  The second A bracket 30 and the second B bracket 31 have the same shape and configuration except that the second A bracket 30 does not have the locking portion 31i of the second B bracket (FIGS. 6 and 15 show the second A bracket). There is a bracket 30 corresponding to the locking portion 31i, but it does not function.) First, from the second A bracket 30, the mounting plate portion 30c provided with mounting holes 30b and 30b, and the mounting plate The bearing plate portion 30d is formed by bending from the portion 30c, and the mounting plate portions 30c, 30c are attached to the mounting holes 28d, 28d, 28d, 28d provided in the mounting plate portions 28c, 28c of the adapter member 28. It is attached using 30a. The second B bracket 31 includes a mounting plate portion 31c provided with mounting holes 31b and 31b, and a bearing plate portion 31d formed by bending the mounting plate portion 31c. The mounting plate portion 31d is attached to a mounting screw 31a. , 31a to the adapter member 28. As shown in FIG. 15 in particular, the second A bracket 30 and the second B bracket 31 are further connected to bearing plate portions 25c and 26c with a pair of second A cover portion 32 and second B cover portion 33, which will be described later. Locking grooves 30f, 30f, 31f, 31f for locking the stopper pieces 32a, 32a and 33a, 33a, and in particular, a stopper provided at the center of the side portion of the joint member 27 as shown in FIGS. Shaft stopper portions 30g, 30g, 31g, and 31g that abut on the pieces 27c and 27c and restrict the rotation of the vertical swing hinge shaft 4 to 40 ° by 20 ° to the left and right, and the locking pieces of the friction washers 20b and 20c. Locking portions 30h, 30h, 31h, and 31h for locking 20h, 20h, 20h, and 20h are provided.

  In particular, as shown in FIG. 16, the rotary gear 14 has a small-diameter portion 4b rotatably inserted into the circular bearing hole 14a, and is located at the outer peripheral side on one side and separated at the center. And the engaging projections 14c locked to the locking portions 30h, 30h provided on the second A bracket 30 on the side opposite to the side where the gears 14b, 14b are provided. 14c is provided. As shown in FIGS. 4 and 17, the fixed gear 15 is engaged with the small-diameter portion 4b by passing through the small-diameter portion 4b through a deformation insertion hole 15a provided in the axial direction of the central portion. A gear portion 15b that is located on the outer peripheral side and meshes with the gear portions 14b and 14b is provided. The vertical lock lever 19 has a pair of attachment pieces 19b and 19b attached to the attachment pin 19a, and cam portions 19c and 19c are provided on the attachment pieces 19b and 19b.

  Of the friction washers 20a to 20f of the upper and lower friction torque generating means E2, in the axial direction of each central portion of the friction washers 20a, 20b, 20c and 20e, as shown in FIG. Insertion holes 20g, 20g, 20g, and 20g are provided, and among the locking pieces 20h, 20h, 20h, 20h, 20h, 20h, 20h, and 20h protruding from the outer peripheral portions, the friction washer 20a has the upper and lower sides. The friction washers 20b and 20c, which are locked in the locking grooves 4g and 4g provided in the swing hinge shaft 4, are locked together in the locking portions 31h and 31h provided in the second B bracket 31, and the friction washer. In the case of 20e, a locking portion 31i provided with the locking pieces 20h, 20h on the second B bracket 31, Which is engaged in 1i. Further, the friction washer 20f does not have a locking piece, and is engaged with the small diameter portion 4c by passing the small diameter portion 4c through a deformation insertion hole 20i provided in the central portion axial direction.

  A second A cover part 32 and a second B cover part 33 are attached to the vertical swing lock means E1 and the vertical friction torque generating means E2, respectively. Of these, as shown in FIG. 20, the second A cover portion 32 has upper and lower necks by engaging the locking pieces 32a and 32a provided on the inner side with the locking grooves 30f and 30f provided on the second A bracket 30. The swing lock means E1 is covered, and the plate portion 32b is provided with an insertion hole 32c for operating the vertical lock lever 19. As shown in FIG. 21 in particular, the second B cover portion 33 has the engagement pieces 33a, 33a provided on the inner side engaged with the engagement grooves 31f, 31f provided on the second B bracket 31, and the vertical friction torque. The generating means E2 is covered.

  The large-diameter portion 4a of the vertical swing hinge shaft 4 is provided with a mounting hole 4e extending in the radial direction, and the joint member 27 is mounted to the mounting hole 4e of the large-diameter portion 4a with a mounting screw 27a. It is. As shown in FIG. 6, the joint member 27 has a recess 3h (see FIG. 11) provided on the large-diameter portion 3a of the left and right swing hinge shaft 3 on the front side and the rear side, and a vertical swing hinge. The shaft 4 is configured to be fitted into a recess 4f (see FIG. 13) provided in the large diameter portion 4a of the shaft 4. Accordingly, the orthogonal state of the left and right swing hinge shaft 3 and the vertical swing hinge shaft 4 is stably maintained by the joint member 27.

  Next, the attachment / detachment mechanism F of the video display device A will be described. The attachment / detachment mechanism F includes an adapter member 28 detachably attached to the holding plate 2 to which the second A bracket 30 and the second B bracket 31 of the vertical swing hinge shaft 4 are attached, and an adapter attached to the holding plate 2. It is comprised with the latching member 29 which attaches / detaches the member 28 with respect to the holding | maintenance plate 2. As shown in FIG. The adapter member 28 has a concave mounting portion 28a that fits on the outside of the convex mounting portion 2a provided on the holding plate 2, and a lower engagement with the mounting hole 28e provided on the lower side of the both side plates 28b, 28b. A stop pin 28f is attached, and upper engaging grooves 28g, 28g are provided above the both side plates 28b, 28b. Then, the lower locking pin 28f of the adapter member 28 is fitted into the lower engagement grooves 2f and 2f provided on the lower end side of the attachment portion 2a of the holding plate 2, and the upper engagement grooves 28g and 28g are fitted to the attachment portion 2a. It is configured to engage with the upper locking pin 2d attached to the upper end.

  The locking member 29 has a convex shape that can be fitted into the mounting portion 2a. The locking member 29 is housed in the mounting portion 2a of the holding plate 2 and is inserted into the guide pin 29c in the guide long hole 29b provided in the back portion 29a. And a tension coil spring 29e is provided between the locking piece 29d provided on the back side and the upper locking pin 2d as shown in FIGS. 10 and 24. The lower locking grooves 29f and 29f for locking the lower locking pins 28f together with the lower locking grooves 2f and 2f provided on the mounting portion 2a. Furthermore, upper locking grooves 29g and 29g that engage with the upper locking pin 2d are provided at the upper end portion thereof. Then, by sliding the locking member 29, the adapter member 28 can be disengaged from the lower locking pin 28f by the lower locking grooves 29f and 29f. In addition, what is indicated by an instruction symbol 29h on the locking member is a lower lever portion.

  Next, the case where the video display device A is attached to the support means C such as a wall portion through the attachment / detachment mechanism F of the holding device B will be described. Preferably, in a state where the adapter member 28 of the attachment / detachment mechanism F is separated from the holding plate 2, the holding plate 2 is attached to the video display device A, and the attachment plate 1 is attached to the support means C using attachment screws (not shown). . After that, holding the image display device A with both hands, the mounting portion 2a of the holding plate 2 is inserted into the mounting portion 28a of the adapter member 28, and the lower portion of the adapter member 28 is provided on both side plates 28b and 28b. When the stop pin 28f is applied to the lower engagement grooves 2f and 2f of the attachment portion 2a and the lower engagement grooves 29f and 29f provided in the engagement member 29 and pushed into the adapter member 28, the lower engagement pin 28f is attached to the attachment portion. The lower engagement grooves 2f and 2f provided in 2a are pushed into the lower engagement grooves 29f and 29f of the engagement member 29 against the tension of the tension coil spring 29e and are engaged with the engagement member 29. When the video display device A is mounted on the holding device B, the video display device A is hung on the support means C such as a wall. Or when the support means C is a support stand, it will be connected to this support stand.

  Thereafter, in order to adjust the installation angle in the left / right direction, first, the left / right swing lever 10 of the left / right swing lock means D1 of the left / right swing control means D is operated with fingers, as shown in FIG. When it is lifted upward from the closed state and tilted to the left as shown in FIG. 7A, the cam portions 10c and 10c of the left and right lock levers 10 release the pressing force against the presser washer 9, so that the lock is released. . When the image display device A is swung in the left-right direction in this state, the repelling power is the holding plate 2 → the adapter member 28 → the second A bracket 30 and the second B bracket 31 → the vertical swing hinge shaft 4 → the joint member 27 → the left and right The swing swing hinge shaft 3 is transmitted in this order, and the left and right swing swing hinge shaft 3 rotates to the left and right swings with the first A bracket 25 and the first B bracket 26 as fulcrums. Permissible.

  As a result, the video display device can be directed to a desired left-right angle. Note that the angle at which the left / right swing rotation control means D can swing the video display device A is 180 ° in total, 90 ° left and right, as shown in FIG. At this time, the rotational motion of the left and right swinging is smooth due to the friction torque generated by the left and right friction torque generating means D2, and the video display device can be stopped at a desired left and right angle within 180 °. When the left / right angle is determined, when the left / right lock lever 10 is tilted to the right as shown in FIG. 7 (b), the presser washer 9 is pushed down by the cam portions 10 c, 10 c, and the mutual gear portions of the rotating gear 6 and the fixed gear 5. By swinging 5b and 6b, the swinging movement of the holding device B in the left-right direction is locked. If for some reason the user inadvertently swings the video display device A left and right without releasing the left and right swing lock means, the wave washer 7 can lift the rotating gear 6 and the fixed gear 5, The rotating gear 6 and the gear portions 6b and 5b of the fixed gear are not destroyed. The same applies to the case where the image display apparatus A swings to the left and right during an earthquake, for example.

  Next, when adjusting the vertical inclination angle of the image display device A, the vertical lock lever 19 of the vertical swing lock means E1 of the vertical swing rotation control means E is shown in FIG. When it is raised by operating with fingers from the state shown and tilted to the left as shown in FIG. 7 (a), the cam portions 19c, 19c of the up / down lock lever 19 release the pressing force against the presser washer 18. By the friction torque generated by the friction torque generating means E2, the image display device A can be adjusted in the vertical direction by swinging up and down in a free stop state, and the repelling power is the holding plate 2 → the adapter member 28 → the second A bracket. 30 and the second B bracket 31 are transmitted in order, and the second A bracket 30 and the second B bracket 31 support the hinge shaft 4 for swinging up and down. Since rotating the vertical direction, the vertical direction of the swing of the image display device A is allowed. The up / down operation at this time can be performed while being stopped at the free stop by the up / down friction torque generating means E2, and the operation feeling becomes a proper one. The angle at which the vertical swing control means E can swing the image display device A in the vertical direction is 40 ° in total, 20 ° up and down, as shown in FIG. This vertical swing angle restriction is such that the shaft stopper portions 30g, 30g, .31g, 31g provided on the second A bracket 30 and the second B bracket 31 are brought into contact with the stopper pieces 27c, 27c provided on the joint member 27. Is made by It should be noted that the stopper pieces 27b, 27b, 27c, 27c provided in the horizontal direction and the vertical direction of the joint member 27 and the shaft stopper portions 25g, 25g, 26g, 26g provided in the first A bracket 25 and the first B bracket 26 and the second A bracket. 30 and the shaft stopper portions 30g, 30g, .31g, 31g provided on the second B bracket 31 form stopper means for regulating the swing angle in the left-right direction and the front-rear direction of the image display device A.

  Subsequently, when the video display device A can be directed to a desired vertical tilt angle, the vertical lock lever 19 is tilted to the left as shown in FIG. When the washer 18 is pushed down and the gear portions 14b and 14b of the rotating gear 14 and the fixed gear 15 mesh with the gear portion 15b, the holding device B is locked. If for some reason the user inadvertently swings the video display device A up and down without performing the release operation with the up-and-down lock lever 19, the rotary gear 14 and the fixed gear 15 can be lifted by the wave washer 16. The gear portions 14b and 14b and the gear portion 15b of the rotating gear 14 and the fixed gear 15 are not destroyed.

  Next, when the video display device A is detached from the holding device B using the attachment / detachment mechanism F, the fingers are engaged from the attachment state shown in FIG. 24 (a) with fingers as shown in (b) and (c). When the lower lever portion 29h of the stop member 29 is lowered downward against the pulling force of the tension coil spring 29e, as shown in FIGS. 24B and 24C, the lower lock groove 29f of the lock member, 29f moves downward, and the lower locking pin 28f of the adapter member 28 can be removed from the lower engagement grooves 2f and 2f of the mounting portion 2a of the holding plate 2, and therefore, as shown in FIG. Thus, the adapter member 28 can be removed from the upper locking pin 2d of the adapter member 28 by lifting the video display device A slightly upward. In this way, the video display device A can be detached from the holding device B.

  When the removed video display device A is attached to the holding device B again, the upper locking pin 2d is fitted into the upper engaging groove 28g of the adapter member 28 while the upper portion of the attachment portion 2a of the holding plate 2 is fitted into the adapter member 28. 28g, and when the lower lever portion 29h of the locking member 29 is pushed down and the lower side of the mounting portion 2a is fitted into the adapter member 28 as shown in FIG. Since the locking pin 28f is fitted into the lower locking grooves 29f and 29f of the locking member 29 while being fitted into the lower locking grooves 29f and 29f provided in the mounting portion 2a, the hand is released from the lower lever portion 29h. 24A, the lower locking pin 28f of the adapter member 28 is moved from the lower engagement grooves 2f and 2f of the mounting portion 2a by the lower locking grooves 29f and 29f of the locking member 29. It is locked so that it does not come off the deer. In this way, the video display device A is attached to the holding device B.

  Since the present invention is configured as described above, a video display device such as a monitor television can be attached to a wall, a pillar, or other support base as a support means at a desired angle in a horizontal direction or a vertical direction. It is used as a device.

A Image display device B Image display device holding device C Support means D Left / right swing control means D1 Left / right swing lock means D2 Left / right friction torque generation means E Vertical swing control means E1 Vertical swing lock means E2 Vertical friction torque generation means F Detachable mechanism 1 Mounting plate 2 Holding plate 2a Mounting portion 2d Upper locking pin 2f Lower engagement groove 3 Left / right swing hinge shaft 4 Vertical swing hinge shaft 5, 15 Fixed gear 6, 14 Rotating gear 7, 16 Wave Washers 9, 13, 18, 22 Presser washers 10 Left and right lock levers 11a, 11b, 11c, 11d Friction washers 12, 17, 21 Elastic member 19 Vertical lock levers 20a, 20b, 20c, 20d, 20e, 20f Friction washers 25 1A Bracket 26 1B Bra Bracket 27 joint member 28 adapter member 28f lower locking pin 28g upper engagement groove 29 locking member 29e tension coil spring 29f lower locking groove 30 2A bracket 31 2B bracket

Claims (7)

  A holding device that holds the video display device so that the video display device can swing in a horizontal direction and / or a vertical direction with respect to the support means, between the holding plate to which the video display device is attached and the attachment plate attached to the support means side, Left and right swing hinge shafts and / or vertical swing hinge shafts are provided, and the left and right swing hinge shafts and / or vertical swing hinge shafts are controlled to control the swinging of the holding plate in the lateral direction and / or the vertical direction A swing control means and / or a vertical swing control means is provided, and either the left / right swing control means and / or the vertical swing control means, the left / right swing hinge shaft and / or the vertical swing hinge shaft is provided. The left and right swing hinge shaft and / or the vertical swing hinge shaft are inserted through either side A fixed gear and a rotating gear that can mesh with each other in the surface direction, a wave washer provided between the fixed gear and the rotating gear, an elastic member that presses the fixed gear and the rotating gear together, and a presser washer, and the presser Left and right swinging comprising left and right and / or upper and lower lock levers that disengage the fixed gear and the rotating gear that are attached to the left and right swinging hinge shaft and / or vertical swinging hinge shaft in contact with a washer. And / or the vertical swing lock means and the left / right swing hinge shaft and / or the vertical swing hinge shaft are inserted into the other side of the left / right swing hinge shaft and / or the vertical swing hinge shaft. Left and right and top and bottom friction consisting of friction washer, elastic member, and presser washer Characterized by providing a Ntoruku generating means, the holding device.   A holding device that holds the video display device so that the video display device can swing in a horizontal direction and a vertical direction with respect to the support means, between the holding plate to which the video display device is attached and the mounting plate attached to the support means side. A left / right swing control means having a swing hinge shaft and a vertical swing control means having a vertical swing hinge shaft are provided, and the left / right swing control means is provided on one side of the left / right swing hinge shaft. In addition, a fixed gear and a rotating gear that can be meshed with each other in the surface direction by inserting the left and right swing hinge shaft, a wave washer provided between the fixed gear and the rotating gear, and the fixed gear and the rotating gear are pressed against each other. Elastic member to be pressed, presser washer, and attached to the left and right swing hinge shaft in contact with the presser washer. A plurality of friction washers, an elastic member, and a presser that are inserted into the left and right swing hinge shaft provided on the other side of the left and right swing hinge shaft. The vertical swing control means comprises a washer, and the vertical swing control means is inserted in the vertical swing hinge shaft on one side of the vertical swing hinge shaft and meshed with each other in the surface direction. A rotating gear and a fixed gear, a wave washer provided between the rotating gear and the fixed gear, an elastic member that presses the rotating gear and the fixed gear together, a presser washer, and the upper and lower An upper and lower lock for disengaging the fixed gear and the rotating gear attached to the swinging hinge shaft. An upper / lower swing lock means comprising a lever, and a plurality of friction washers, elastic members, and presser washers, which are provided on the other side of the upper / lower swing hinge shaft and through which the upper / lower swing hinge shaft is inserted. A holding device comprising a friction torque generating means.   The left / right swing hinge shaft and the upper / lower swing hinge shaft are connected to each other in a direction orthogonal to each other through a joint member. Holding device.   The left and right swing control means and the vertical swing control means include stopper means for restricting a rotation angle of the left and right swing hinge shaft and the vertical swing hinge shaft. 3. The holding device according to any one of 2 above.   The holding device includes an attaching / detaching mechanism for the video display device, and the attaching / detaching mechanism pivotally supports the vertical swing hinge shaft that is detachably attached to the holding plate of the video display device. The adapter member according to any one of claims 1 to 4, wherein the adapter member includes a pair of brackets and a locking member that is attached to the holding plate and disengages the adapter member from the holding plate. The holding device according to Item 1.   The adapter member has a concave shape that fits outside the convex mounting portion provided on the holding plate, and has a lower locking pin on the lower side and an upper engagement groove on the upper end side thereof, The lower locking pin is fitted into a lower engagement groove provided on the lower end side of the attachment portion, and the upper engagement groove is engaged with an upper engagement pin attached to the upper end portion of the attachment portion, The locking member has a convex shape that fits inside the mounting portion, is slidably attached to the holding plate in a vertical direction, a tension coil spring is stretched between the upper locking pin, and a lower end portion is provided. The lower locking pin is configured to lock the lower locking pin together with the lower locking groove provided in the mounting portion, and the locking member is slid to slide the lower locking pin of the adapter member. Engagement with Characterized by being configured for releasing holding device according to claim 5.   An image display device, wherein the image display device is attached to the support means by the holding device according to any one of claims 1 to 6.

Images