KR101438235B1 - Stand device, display device - Google Patents

Abstract

A body in which at least a display module is accommodated, which is inexpensive, highly reliable, simple in manufacturing process, can be manufactured in a small volume, and in which operation reliability of a product is improved; A rear fixing part fixed to the main body; A first cylindrical portion provided on the rear surface fixing portion; A circumferential portion in which the first cylindrical portion is rotatably supported; A second cylindrical portion supported by the support portion; A base supporting the second cylindrical portion with respect to the floor surface; And a front wire fixedly connected to a front of the first cylindrical portion about a hinge axis of the first cylindrical portion; And a rear wire fixedly connected to the rear of the first cylindrical portion about a hinge axis of the first cylindrical portion, wherein the rear wire and the front wire are arranged such that when the rear surface fixing portion revolves around the second cylindrical portion Disclosed is a display device in which at least one portion is wound and supported by the second cylindrical portion so that a tension applied to the front wire and the rear wire is changed so that the first cylindrical portion is rotated.

Display, stand

Description

[0001] The present invention relates to a stand apparatus and a display apparatus,

The present invention relates to a display device. The present invention relates to a stand device which can be preferably applied to a display device, but can not be said to be limited in its use.

2. Description of the Related Art [0002] A display device is an apparatus for viewing an image. Recently, a large number of flat display devices capable of being shaped in a two-dimensional plane have been released. These flat-panel display devices have attracted a great deal of attention from consumers because they occupy an indoor space, are small in volume, light in weight, and easy to handle.

These flat-panel display devices are light in weight and small in volume compared with the conventional cathode-ray tube type, so that various operating states are realized to allow the user to handle them more conveniently. Typical functions include a tilting function for freely moving the main body of the display device in the up and down direction, a portrait function for allowing the main body to be viewed upright and a swivel function for rotating the main body in the left and right direction as a whole.

In the meantime, in the present invention, when the tilting function is performed, there is a major interest in a function that allows the user to use the display device more conveniently by allowing the body to rotate as well as to rotate. When the display device is tilted, this function is performed with the function of revolving around the hinge axis, so that the display main body always faces the user at a constant angle. Therefore, the user can enjoy the image at the same viewing angle at any time if only the force of lowering the display main body or raising the display main body upward is applied. Hereinafter, this is referred to as a rotation function.

As a representative prior art in which the main body of the display device performs the rotation function, there is a link structure described in U.S. Patent Application No. 11 / 486,031. In addition to the main link, the link structure described in this document is provided with auxiliary links in the forward and backward directions of the two hinge shafts spaced apart in the vertical direction. When the idle motion of the display body occurs due to the action of the auxiliary link, the rotation is always performed at an appropriate angle.

However, the link structure disclosed in the cited document has a disadvantage in that it requires a complicated rigid auxiliary link to be additionally installed, which increases the manufacturing cost and makes it difficult to manufacture. In addition, since a large number of complicated links are used, the volume of the stand also becomes large, so that there is a problem that the external aesthetics are not good.

In addition, there is a problem that members such as links are subjected to a strong force, so that the members constituting the link are easily broken.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a display device and a stand device capable of manufacturing an inexpensive and simple manufacturing process and having a small volume,

A display device according to the present invention includes: a main body including at least a display module; A rear fixing part fixed to the main body; A first cylindrical portion provided on the rear surface fixing portion; A circumferential portion in which the first cylindrical portion is rotatably supported; A second cylindrical portion supported by the support portion; A base supporting the second cylindrical portion with respect to the floor surface; And a front wire fixedly connected to a front of the first cylindrical portion about a hinge axis of the first cylindrical portion; And a rear wire fixedly connected to the rear of the first cylindrical portion about a hinge axis of the first cylindrical portion, wherein the rear wire and the front wire are arranged such that when the rear surface fixing portion revolves around the second cylindrical portion And at least a portion of the first cylindrical portion is wound and supported by the second cylindrical portion so that the tension applied to the front wire and the rear wire is changed in order to rotate the first cylindrical portion.

A stand device according to the present invention includes: a rear fixing part; A first cylindrical portion provided on the rear surface fixing portion; A circumferential portion in which the first cylindrical portion is rotatably supported; A second cylindrical portion supported by the support portion; A base supporting the second cylindrical portion with respect to the floor surface; A front wire connected to the front of the first cylindrical portion about a hinge axis of the first cylindrical portion; And a rear wire connected to a rear portion of the first cylindrical portion about a hinge axis of the first cylindrical portion, wherein the front wire and the rear wire are connected to the first cylindrical portion when the first cylindrical portion revolves with respect to the second cylindrical portion, Different tension is applied to the front wire and the rear wire to rotate the first cylindrical portion.

The stand apparatus of the present invention includes: a first cylindrical portion; A second cylindrical portion; A pivotal portion connecting the first cylindrical portion and the second cylindrical portion; At least a pair of wires connected to the front and rear sides of the one cylindrical portion and at least one portion wound on the second cylindrical portion; And at least a pair of wires wound and passed through the second cylinder include a rotating member for changing the length between the contact points of the cylinder when the first cylinder rotates.

According to the present invention, there is an advantage that cost is low, reliability is high, a manufacturing process is simple, a small volume can be manufactured, and operation reliability of a product is improved.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. However, this is also included in the scope of the present invention.

≪ Embodiment 1 >

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

Referring to FIG. 1, there is shown a display device including a main body 1 having a display module received therein and providing an image, a support portion 6 for allowing the main body 1 to be placed at a predetermined height, And a base 5 for supporting the weight of the main body 1 with respect to the bottom surface.

Hereinafter, the detailed configuration of the present embodiment will be described.

On the rear surface of the main body 1, a back surface fixing part 11 is provided. A first cylinder 2 is provided at the rear of the rear surface fixing part 11 and is connected to the supporting part 6 by a hinge shaft 21. [ A lower end of the support portion 6 is connected to the base 5 by a hinge shaft 31 and a second cylinder 3 is provided on the hinge shaft 31.

Here, the first cylinder 2 is always rotated together with the back surface fixing part 11, and the second cylinder 3 can freely move regardless of other parts.

The double pulley 4 is provided on the base 5. The double pulley 4 has a different diameter and is provided with a small diameter portion 42 and a large diameter portion 41 respectively. However, the double pulley 4 is always rotated at the same angle regardless of the small diameter portion 42 and the large diameter portion 41. That is, the small diameter portion 42 and the large diameter portion 41 are always rotated at the same angle.

A spring (see 44 in FIG. 2) is provided inside the double pulley 4, so that the double pulley 4 is always given a force to rotate in a constant direction. A support 45 is provided at one end of the double drum 4. Thus, the support 45 is rotated together with the double drum 4.

2 is an enlarged perspective view of a portion where a double drum is installed.

2, a double pulley 4 rotatably supported by a center shaft 43 with respect to a base 5 and a double pulley 4 rotatable in a counterclockwise direction The spring 44 can be seen. The support 45 is provided on the lower side of the double pulley 4 and rotates together with the double pulley 4.

Referring again to FIG. 1, a wire is provided to the display device and the stand device according to the present embodiment so that the rotation function of the main body 1 is performed.

The wire is provided with two (7) and (8). More specifically, the outer circumferential surface of the second cylinder 3 is wound around the large-diameter portion 41 while being partially fixed on the front side of the first cylinder 2 with the hinge shaft 21 as a center, , And a front wire (8) connected to the support (45). The hinge shaft 21 is fixedly connected to the rear side of the first cylinder 2 with the hinge shaft 21 as a center. A portion of the outer circumferential surface of the second cylinder 3 is wound around the small diameter portion 42, And the rear wire 7 connected to the support 45 is the other one.

The operation of the display device and the stand of the present embodiment according to the above-described configuration will be briefly described.

When the user pulls or pushes the main body 1, it exerts a force that the support portion 6 rotates with respect to the hinge shaft 31. [ Then, it is natural that the main body 1 rotates with respect to the hinge shaft 31.

During rotation of the main body 1 as described above, the first cylinder 2 is also revolved with respect to the second cylinder 3. [ When the first cylinder 2 rotates as described above, the length of the portion of the wire 7 or 8 that winds around the second cylinder 3 is increased. However, since the geometrical distance between the first cylinder 2 and the second cylinder 3 is always the same, tension is applied to the wires 7 and 8, and the wire 7 and 8 are wound around the double pulley 4 The wire must be released.

The front wire 8 is connected to the large diameter portion 41 and the rear wire 7 is connected to the small diameter portion 42. In the double pulley 4 connected to the other ends of the wires 7 and 8, Respectively. Therefore, the lengths of the wires 7 and 8 released from the double pulley 4 are different from each other, so that the length of the front wire 8 is always longer than that of the rear wire 7. As described above, since the lengths of the wires 7 and 8 that can be released by the tension generated when the main body 1 rotates are different from each other, the first cylinder 2 is forced to rotate.

This action can be easily understood in the light of the fact that the first cylinder 2 rotates once when revolving once around the second cylinder 3, will be.

As will be understood from the above, according to the present embodiment, it can be understood that, when the main body 1 is idled, accompanied by the rotation. This is because the two cylinders having different diameters are provided on the same axis, and the wires wound in the same direction in the two cylinders are downwardly pulled, and when the two cylinders are turned while another cylinder is wound around the hanging wire, Can be understood similarly to the rotating motion.

Hereinafter, the principle that the first cylinder can be rotated at the same rotation angle as the idle angle will be described in more detail with reference to conceptual drawings.

3 is a view showing the relationship between the first cylinder and the second cylinder and the wire when the main body is rotated.

3, when the first cylinder 2 revolves counterclockwise by a certain angle?, The length of the wire wound around the second cylinder is equal to the length of the second cylinder multiplied by the rotation angle? More. Of course, in this case, it is assumed that the wire is wound around the first cylinder, and the angle is assumed to be a radian angle. As a result, in order to revolve the first cylinder 2, the wires 7 and 8 become longer, and in that case, the angles of the wires are the same in the front wire 8 and the rear wire 7.

However, although the wires 7 and 8 need to extend in the same way, the lengths that can be released from the double pulley 4 are different from each other. This is because the double pulley 4 has the large diameter portion 41 and the small diameter portion 42, but both are configured to rotate at the same angle. For this reason, the tension T1 applied to the rear wire 7 becomes larger than the tension T2 applied to the front wire 8, and the first cylinder 2 is rotated.

4 is a diagram conceptually illustrating the relationship between the first cylinder and the double drum. In FIG. 4, when the first cylinder is revolving, the second cylinder 3 is not shown on the premise that a constant amount of wire is always required, and a wire is directly connected to the double drum As shown in FIG.

Referring to FIG. 4, when the first cylinder 2 revolves, tensile force is applied to the wires 7 and 8 wound around the double pulley 4 by a predetermined length, and the double pulley 4 It is released. However, as described above, the double pulley 4 is provided with the large-diameter portion 41 and the small-diameter portion 42 having different diameters. Therefore, the front wire 8 is released more and the rear wire 7 is released smaller.

In this way, the double pulley 4 is rotated at a predetermined angle because the double pulley 4 is provided with the spring 44 to always apply a counterclockwise rotating force with reference to Fig. The wire (7) (8) can not be loosened by the rotational force of the spring (44). At this time, if the first cylinder 2 rotates at a certain angle? 1, the double drum 4 rotates in the same manner, but the angle? 2, which is different from the angle of rotation with respect to the first cylinder 2, ). ≪ / RTI >

The tension T2 applied to the front wire 8 is greater than the tension T1 applied to the rear wire 7 because the front wire 8 becomes longer than the rear wire 7, . The first cylinder 2 is forced to rotate due to the difference in tension between the first and second cylinders 3 and 4, and the angle of rotation of the first and second cylinders 3 and 4 is determined by the diameter of the large- 2). ≪ / RTI > However, even if the angle of rotation varies according to specific design conditions, due to the difference in tension applied to the first cylinder 3, the first cylinder will rotate clockwise as it is rotated counterclockwise It will be easily understood.

The rotation of the first cylinder 3 in the counterclockwise direction means that the main body 1 is tilted downward and the rotation of the first cylinder 3 in the clockwise direction means that the main body 1 rotates clockwise Clockwise - when viewed from the right side of the body - means to rotate. Therefore, according to the present invention, when the main body 1 of the display device is tilted downwardly, the main body 1 is rotated upward so that the viewing angle can be maintained constantly .

≪ Embodiment 2 >

In the first embodiment, the double pulley 4 is provided with a separate support 45, to which the wires 7 and 8 are connected. However, since the double pulley 4 is a circular circular member, it is difficult to form a separate support 45 for the member to be moved. The present embodiment is a further exemplary embodiment in view of such a problem. Therefore, the description of the first embodiment will be omitted, and a detailed description thereof will be omitted.

5 is a plan view of a double drum portion according to a second embodiment of the present invention.

5, in the present embodiment, the front wire 8 and the rear wire 7 are provided as a whole wound around the pulley to form the winding portions 71 and 81. The innermost ends of the winding portions (71) and (81) may be connected to the double pulley (4).

According to the present embodiment, the wire itself can be connected to the double pulley 4 without requiring a separate support.

≪ Third Embodiment >

It can be seen that the first and second embodiments are provided with a double pulley structure. However, since the double pulley is difficult to manufacture on its own, it increases the manufacturing cost and makes it difficult to manufacture. An embodiment for solving such a problem is further presented as a third embodiment. Therefore, the description of the first embodiment will be omitted, and a detailed description thereof will be omitted.

6 is a plan view of a base according to a third embodiment of the present invention.

Referring to FIG. 6, a bar 100 is connected to the center shaft 43, not a double drum machine. A spring (44) is connected to the bar (100) so that the bar (100) is always rotated clockwise. The bar 100 is connected to a rear wire 7 at a close distance from the center axis 43 and to a front wire 8 at a far distance. Rollers 48 and 49 are provided on the adjacent sides of the portion where the wire 7 and the wire 8 are connected to the bar 100 in order to smoothly advance the direction of the wire 7 and 8.

According to the configuration as in the present embodiment, the rotation direction of the wire 7 (8) is smoothly bent by the rollers (48) and (49) to be directed to the second cylinder (3). Further, the bar 100 is rotated, and the distances of the wires 7 and 8 are different from each other. Therefore, as in the first embodiment, the tension applied to the rear wire becomes larger.

In this sense, it can be said that the roller and the bar, together with the double drum, its function as a center, can be called a rotating member, and due to the difference in the position connected to the rotating member, It can be understood that the pull-out distance of the rear wire is changed.

<Fourth Embodiment>

In the first, second and third embodiments, the cylinders 2 and 3 are provided, respectively, and a structure in which a double pulley or a bar is provided for adjusting the tension of the wires 7 and 8 have. However, the installation of the double pulley and the bar separately has a problem that the mechanism becomes complicated. In view of the above problems, the present invention is further illustrated.

7 is a diagram for explaining the concept of the fourth embodiment of the present invention.

Referring to Fig. 7, in this embodiment, the first cylinder 2 and the second cylinder 3 are presented in the same manner as the other embodiments already described. However, in the present embodiment, the double drum shown in the first and second embodiments or the bar shown in the third embodiment are not provided characteristically. Instead, the wires 7 and 8 are fixedly connected to the first cylinder 2 but are also fixedly connected to the second cylinder 3. And the rotational position of the second cylinder with respect to the base 5 is fixed. The front wire 8 is wound on the front side of the second cylinder 3 and the rear wire 7 is wound on the rear side of the second cylinder 3.

According to such a configuration, when the first cylinder 2 revolves, since the wires are provided fixedly with respect to the cylinders 2 and 3, the rotation also occurs simultaneously. Therefore, when the display device main body is rotated upward and downward, the rotation of the main body occurs, so that the angle of the display device main body that the user sees always becomes the same angle.

The wires 7 and 8 are fixed to the first fixing point 201 in the first cylinder 2 and the wires 7 and 8 are fixed to the second cylinder 3 at the second fixing point 201. [ (Not shown). In this state, when the first cylinder 2 is rotated, the second cylinder 3 is fixed so that the wire exerts a force for rotating the first cylinder 2, Is fixed at its original position.

However, although the fourth embodiment may be theoretically preferable, it is difficult to actually implement the fourth embodiment. First, in order for the wire to be firmly fastened without being slacked, it must be fastened in a state in which both are pulled completely. In fact, it is extremely difficult to fasten the wire like that. The angle of rotation of the first cylinder 2 must be the same as the angle of the display device. For this purpose, the diameters of the cylinders 2 and 3 must be equal to each other. However, making such a structure is actually very difficult. Even when the wire is slightly extended, the amount of rotation of the cylinder is considerably different. Therefore, in this embodiment, the diameter of the cylinder must be increased in consideration of such a problem. However, it is not very desirable to increase the size of the cylinder inside the stand.

In view of such a problem, it is more preferable to provide a separate means for adjusting the tension in accordance with the methods of the first, second, and third embodiments described above. However, even in the fourth embodiment, it is possible to obtain the advantage that the rotation amount can be automatically adjusted corresponding to the rotation amount of the main body of the display device by using only the wire in a state in which a separate link structure is not employed Of course.

The present invention may be further provided with other embodiments in addition to the above-described embodiments.

For example, a component referred to as a cylinder may be provided in a structure such as a predetermined plate or bar, rather than a cylinder, in which case the plate or bar may be connected to both sides of the hinge axis. For example, such a second structure is well known in the second embodiment. In this case as well, the same action as that of the cylinder will be possible. However, it is a matter of course that a cylinder is more preferable for smooth operation of the product. Therefore, in order to understand the spirit of the present invention, it should be understood that what is described as a cylindrical portion is not a direct cylindrical shape as described above but includes other structures in which the same operation is performed.

As another example, it is described that the wire is fixedly connected to the cylinder. However, the present invention is not limited to this, and the wire may be provided by being wound around the first cylinder. In this case, The portion wound around the cylinder may be provided with irregularities so that the first cylinder is always rotated at the same angle as the wire.

The above-described various embodiments may be further illustrated by the fact that the components applied to any one embodiment are applied to the other components, but these are also included in the spirit of the present invention.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to manufacture a stand at a low cost, a high reliability, a simple manufacturing process, and a small volume, and the display device has an advantage that the operation reliability of the product is improved.

1 is a rear perspective view of a display device according to a first embodiment of the present invention;

2 is an enlarged perspective view of a portion where a double drum is installed in the first embodiment;

Fig. 3 is a view showing the relationship between the first cylinder and the second cylinder and the wire when the display body is rotated; Fig.

4 is a conceptual illustration of a relationship between a first cylinder and a double drum.

5 is a plan view of a double pulley portion according to a second embodiment of the present invention;

6 is a plan view of a base according to a third embodiment of the present invention;

7 is a view for explaining a fourth embodiment of the present invention;

Claims (8)

A body in which at least a display module is accommodated; A rear fixing part fixed to the main body; A first cylindrical portion provided on the rear surface fixing portion; A circumferential portion in which the first cylindrical portion is rotatably supported; A second cylindrical portion supported by the support portion; A base supporting the second cylindrical portion with respect to the floor surface; And A front wire fixedly connected to a front of the first cylindrical portion about a hinge axis of the first cylindrical portion; And And a rear wire fixedly connected to the rear of the first cylindrical portion about a hinge axis of the first cylindrical portion, The rear wire and the front wire are connected to each other so that the tension applied to the front wire and the rear wire is changed so that the first cylindrical part is rotated when the back surface fixing part revolves about the second cylindrical part, Is supported by being wound around the second cylindrical portion. The method according to claim 1, A double dorsel that supports the front wire and the other end of the rear wire and has a large diameter portion in which the front wire is wound and a small diameter portion in which the rear wire is wound; And And a spring for rotating the double pulley. 3. The method of claim 2, Further comprising a support member installed on the double pulley to fix the front wire and the rear wire. 3. The method of claim 2, And the other end of the front wire and the rear wire is wound and supported by the double pulley. The method according to claim 1, At the time of rotation of the first cylindrical portion, Further comprising a rotating member for connecting ends of the front wire and the rear wire respectively, Wherein a distance of the front wire drawn or drawn from the rotating member when the rotating member is rotated is longer than that of the rear wire. The method according to claim 1, The second cylindrical portion being fixed to the base, The front wire is wound and fixed from the front to the rear of the second cylindrical portion, And the rear wire is fixed by being rolled forward from the rear of the second cylindrical portion. Backside fixing; A first cylindrical portion provided on the rear surface fixing portion; A circumferential portion in which the first cylindrical portion is rotatably supported; A second cylindrical portion supported by the support portion; A base supporting the second cylindrical portion with respect to the floor surface; A front wire connected to the front of the first cylindrical portion about a hinge axis of the first cylindrical portion; And And a rear wire connected to the rear of the first cylindrical portion about the hinge axis of the first cylindrical portion, Wherein different tension is applied to the front wire and the rear wire when the first cylinder revolves with respect to the second cylinder to rotate the first cylinder. A first cylindrical portion; A second cylindrical portion; A pivotal portion connecting the first cylindrical portion and the second cylindrical portion; At least a pair of wires connected to the front and rear sides of the one cylindrical portion and at least one portion wound on the second cylindrical portion; And The at least one pair of wires wound and passed through the second cylindrical portion are made to have different lengths of the pair of wires between the first cylindrical portion and the second cylindrical portion when the first cylindrical portion revolves A stand device including a rotating member.

Images