TWI291674B - Rise-fall mechanism and display system using the same - Google Patents

Abstract

A rise-fall mechanism includes a base and two hinge assemblies. The base has two supporting arms for supporting a monitor at the two sides of the monitor. Each of those hinge assemblies disposed between the monitor and those supporting arms includes a rotating portion and a sliding-positioning portion, wherein the rotating portion is connected to the sliding-positioning portion. Those rotating portions are connected to those supporting arms, such that the monitor rotates relative to the base. Those sliding-positioning portions are connected to the two sides of the monitor for adjusting the distance between the monitor and the base.

Description

达达编号号: TW3069PA 1291674 IX. Description of the Invention: [Technical Field] The present invention relates to a lifting mechanism and a display system using the same, and more particularly to an adjustable lifting mechanism for adjusting the display lifting and rotating Apply its display system. [Prior Art] Please refer to Fig. 1, which is a schematic view showing a conventional manner of displaying a screen. As shown in Fig. 1, the display screen 10 is usually arranged with the base 11 to be stably placed on the table top. The base 11 can be composed of a sleeve 12, a support column 13 and a bottom plate 14, wherein the sleeve 12 is mostly slidably coupled with the support column 13 to drive the display screen 10 to move up and down relative to the support column 13 by the sleeve 12. For the purpose, the support column 13 is disposed on the bottom plate 14, and the weight of the entire display screen 10 is carried by the bottom plate 14. However, since the sleeve 12 is mounted on the back side of the display screen 10, the center of gravity of the display screen 10 falls in front of the bottom plate 14. When the area of the bottom plate 14 is too small, it is easy to cause a safety problem of displaying the forward tilt of the screen. It is therefore common practice to increase the area of the bottom plate 14 to stabilize the support of the base 11 for the display screen 10. The increase in the area of the bottom plate 14 not only increases the material and manufacturing cost of the susceptor 11, but also takes up space. In addition, since the design of the sleeve 12 can only move the display screen 10 up and down, when the user thinks that the viewing angle is not good and wants to adjust the rotation angle of the display screen 10, it is not possible.

THREE NUMBER: TW3069PA • I29W ZHENG content] In view of this, the object of the present invention is to provide a lifting mechanism and a display system using the same, which uses a rotating pivot with an inner and outer slider and a constant force spring to display the screen The two sides support the display screen. In addition to rotating the display screen to adjust the angle of view, the user can adjust the height of the display screen relative to the base. It not only solves the problem of setting the display center to be unstable when the screen is displayed, but also saves the floor material. In accordance with the purpose of the present invention, a lifting mechanism is proposed for use in a display screen, the lifting mechanism including a base and two pivot assemblies. The base has two support arms for supporting the display screen on the two sides of the display screen, and the two pivot assemblies are respectively disposed between the display screen and the two support arms. The two pole sleeve assemblies each have a sliding positioning portion and a rotating portion that are connected to each other. Each of the rotating portions is coupled to a support arm for rotating the display screen relative to the base. The two sliding positioning portions are respectively connected to the two sides of the display screen for adjusting the distance of the display screen relative to the base. In accordance with the purpose of the present invention, a display system is further provided, including a continuation screen and a lifting mechanism' wherein the lifting mechanism includes a base and two pivot assembly members. The pedestal has two fulcrum arms for displaying the two sides of the screen. The display cymbal pivot assemblies each have a sliding position and a rotating portion. The two rotating parts are respectively connected to the two branch arms for rotating the display screen relative to the base, and the two sliding positioning parts are respectively connected to the two sides of the display screen for adjusting the display screen relative to The distance and advantages of the pedestal can be more apparent for the above objects and features of the present invention.

达达编号号: TW3069PA 1291674, I understand that the following is a detailed description of the preferred embodiment, and the following is a detailed description of the following: [Embodiment] Please refer to FIG. 2, which illustrates a preferred embodiment of the present invention. A perspective view of a display system of an example. As shown in Fig. 2, the display system includes a display screen 20 and a lifting mechanism 21, wherein the lifting mechanism 21 includes a base 22 and two pivot assemblies 23, 24. The base 22 has two support arms 221, 222' disposed vertically for supporting the display screens 2 on the two sides of the display screen. > The pivot assembly 23 has a sliding positioning portion 230 and a rotating portion 231' which are connected to each other, and the pivot assembly 24 has a sliding positioning portion 240 and a rotating portion 241 which are connected to each other. The rotating portion 231 is coupled to the support arm 221, and the rotating portion 241 is coupled to the support arm 222 for rotating the display screen 2A relative to the base 22. The two sliding positioning portions 230, 24 are respectively connected to the two sides of the display screen 20 for adjusting the distance of the display screen 20 relative to the base 22. The sliding positioning portion 230 includes a sliding rail 232 and an inner sliding rail 233 coupled to each other, and the sliding positioning portion 240 includes an outer sliding rail 242 and an inner sliding handle 243. Preferably, the inner slide 233 and the outer slide 232 are slidably coupled to move relative to each other. Similarly, the inner slide 243 and the outer slide 242 are also slidably coupled. The two outer slide rails 232, 242 are respectively connected to the rotating portions 231, 241, and the two inner slide rails 233, 243 are connected to the two sides of the display screen 20, so that the display screen 2〇 together with the inner slide rails 233, 243 The relative movement between the outer slides 232 and 242 coupled to the base 22 is possible. 7

*129f 674 : TW3069PA • The sliding positioning portion 230 further includes a constant force spring 234, and the sliding positioning portion 240 includes a constant force spring 244. The two ends of the constant force spring 234 are respectively connected to the display screen 20 and the outer slide rail 232, and the two ends of the constant force spring 244 are connected to the display screen 20 and the outer slide rail 242. The constant force springs 234, 244 are used to provide a thrust to balance the weight of the display screen 20. In the normal state, since the thrust of the constant force springs 234, 244 is equal to the gravity of the display screen 20, the display screen 20 can be stably placed on the elevating mechanism 21. When the user wants to adjust the height of the display screen 20, the height of the display screen 20 relative to the susceptor 22 can be adjusted by applying a force to the display screen 20. For example, the user can apply force to the display screen 20 and match the gravity of the display screen 20 to overcome the thrust of the force springs 234, 244, so that the display screen 20 moves downward to shorten the distance from the base 22. Or the user can apply force to the display screen 20 and combine the thrust of the force springs 234, 244 to overcome the gravity of the display screen 20, thereby moving the display screen 2〇 upward. The connection relationship between the components in the elevating mechanism 21 will be described in detail below with reference to the drawings. Please refer to Figures 3A to 3B at the same time. Figure 3A shows the partial exploded view of the lifting mechanism of Figure 2, and Figure 3B shows the assembled view of the parts of Figure 1. As shown in FIG. 3A, the lifting mechanism 21 further includes a baffle 250 for connecting/rotating the two outer slide rails, 241 (see FIG. 2), preferably pivoting. The design, for example, the rotating portion includes a nut 231A and a bolt 231B, and the rotating portion 241 includes a nut mi a and a bolt 241B. Since the outer slide rails 232, 242 are preferably symmetrically arranged, the group wears the square 8

_ II number: TW3069PA 1291674 The same type, here only the outer rail 232 @ assembly as an example to illustrate. When assembled, the outer slide rail 232 can be first combined with the support arm (2). This step can be achieved by fixing the bolt 231B through the outer slide rail 232 and the support arm 221 and then locking the nut 231A. At this time, the outer slide rail 232 is rotatable relative to the support arm 221 . Next, the inner slide rail 233 can be placed in the outer slide rail 232. And so on, the outer slide rail 242 and the inner slide rail 243 are assembled. The two sides of the plate 250 have a bent design for attachment to the outer slides 232, 242, the function of which will be described in detail below. As shown in FIG. 3B, after the assembly is completed, as shown in FIG. 3B, the outer slides 232, 242, the inner slide rails 233, 243, and the baffle 250 can be simultaneously configured by the pivot axis of the rotating portions 23, 241. The inner slide rails 233, 243 are slidable relative to the outer slide rails 232, 242. The display screen 2 is connected to the two inner slide rails 233, 243 by its two sides. For the relationship between the other parts of the lifting mechanism 21, please refer to Figures 4A to 4B. Figure 4A shows a partial exploded view of the sliding positioning portion of Figure 2, and Figure 4B shows the assembled view of the parts of Figure 4A. . As shown in FIG. 4A, the lifting mechanism 21 further includes a first fixing plate 251 and a second fixing plate 252, wherein the first fixing plate 251 is fixed to the lower edge of the display screen 2, and the second fixing plate 252 is It is used to install the force springs 234, 244. The sliding positioning portion 230 further includes a roller 235 and a spacer 236, and the sliding positioning portion 240 further includes a roller 245 and a spacer 246. The rollers 235, 245 are mainly mounted on the second fixing plate 252, and the spacers 236, 246 are mounted on the first fixing plate 251. The assembly relationship of the parts is explained below. Since the fixed force springs 244 and 234 are installed in the same manner, only 9

Sanda number: TW3069PA 1291674 & ^ The assembly of the force force yellow 234 is taken as an example. One end of the constant force spring 234 is mainly disposed on the drum 235, and a joint member (not shown) can pass the hole 252A on the second fixing plate 252 and the hole 235A in the drum 235 to make the force spring 234 The end is fixed to the second fixing plate 252 by the roller 235 and the connecting member (not shown), and the winding end 234 of the constant force spring 234 is fixed on the playing board 250 (see FIG. 3B). The spacer 236 is fixed to the first fixing plate 251 by a hole 251A in the first fixing plate 251. Since there is a space between the fixed force spring 234 and the first fixing plate 251, when the winding end 234A of the constant force spring 234 is stretched or pushed by the force, it is very easy to pull the structure of the entire constant force spring 234 and damage. Force spring 234. Thus the arrangement of the spacers 236 effectively holds the constant force spring 234 in a fixed position. As for the assembly of the constant force spring 244 and the spacer 246, and so on. When the constant force springs 234, 244 are fixed to the second fixing plate 252, and the spacers 236, 246 are fixed to the first fixing plate 251, the first fixing plate 251 and the second fixing plate 252 can be assembled together. Figure 4B shows. After the two sides of the screen 20 to be displayed are combined with the inner slide rails 233, 243 (see Fig. 3B), the components of the Fig. 4B can be combined with the display screen 2'. The winding ends 234A and 244A of the constant force springs 234 and 244 are fixed on the baffle 250 (see FIG. 3B). Since the plate 250 is fixed on the outer rails 232 and 242, the force springs 234 and 244 are fixed. One end can be indirectly fixed to the outer rails 232, 242. Thereby, the two ends of the constant force springs 234 and 244 are respectively fastened to the display screen 20 and the outer slide rails 232 and 242. Of course, in addition to the sliding design of the inner and outer slide rails as the display screen, the first tubular member and the second tubular member that are sleeved together can also be used as the sliding device.

TW3069PA -129_ ^ count. For example, the two outer slide rails can be replaced by two first tubular members, and the two inner slide rails can be replaced by two second tubular members. The other designs are not changed, that is, the first tubular member is connected and rotated. Department, and 筮-~ from ^ ' and the brother and the clear piece are connected to the display screen, and the two ends of the fixed force spring are respectively connected to A Chu ^ reversed to the first tube member and the display screen, and the same can provide display screen sliding Features. For the operation of the lifting mechanism, please refer to the figures f 5a to 5c, 6a to 6c, which is a side view showing the system in operation. As shown in FIG. 5, the display screen 20 has a predetermined position p on the base 22. Preferably, when the display screen 20 is located at the predetermined position p, the center of gravity of the display screen 20 is substantially two. The rotating portions 231 and 241 (not shown in FIG. 5A) are arranged in a line. At this time, no matter whether the display screen 2 is rotated clockwise (see Fig. 5B) or counterclockwise (see Fig. 5C), no additional torque is applied to the base 22. Of course, the setting mechanism of the lifting mechanism 21 causes the rotation and movement of the display screen 20 to be two independent movements. Therefore, as shown in FIG. 6A, the user can also adjust only the height of the display screen 20 to display the screen 2〇. Moving downward relative to the base 22 to the position P', and rotating the angle of the display screen 20, as shown in Figs. 6B to 6C. The design of the support on the two sides of the display screen 20 helps to improve the stability of the display screen 20. At the same time, the present invention has the advantage of material saving as compared to the conventional increase in the floor area to increase the stability. The elevating mechanism and the display system using the same disclosed in the above embodiments of the present invention control the movement of the display screen by the sliding positioning portion of the elevating mechanism and rotate the display screen back and forth by the rotating portion. The sliding positioning part is coupled to the inner and outer slide rails and is matched with the design of the constant force spring, and is connected to the outer sliding 11 129

1 鱿 鱿] W fine yrA 卩 is the design of the rotating pivot. The combination of the sliding positioning portion and the rotating portion also provides a function for the user to adjust the display screen height and viewing angle. Since the lifting mechanism is supported by the display screen on both sides of the display screen, the stability of the display screen is increased without increasing the size of the base, which has the advantages of saving the base material and displaying the screen space. In view of the above, the present invention has been disclosed in a preferred embodiment, and is not intended to limit the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. 12

Sanda number: TW3069PA 1291674 [Simple description of the diagram] Figure 1 shows a schematic diagram showing the way the screen is erected. Figure 2 is a perspective view of a display system in accordance with a preferred embodiment of the present invention. Figure 3A is a partial exploded view of the lifting mechanism of Figure 2. Fig. 3B is a diagram showing the assembly of the parts of Fig. 3A. Fig. 4A is a partial exploded view of the sliding positioning portion of Fig. 2; Fig. 4B is a diagram showing the assembly of the parts of Fig. 4A. 5A to 5C and 6A to 6C are diagrams showing a side view of the system in operation >. [Main component symbol description] 10, 20: Display screen 11, 22: Base 12: Sleeve 13: Support column 14: Base plate 21: Lifting mechanism 23, 24: Pivot assembly 221, 222: Support arm 230, 240 : Sliding positioning portions 231 and 241 : Rotating portions 231A and 241A: Nuts 231B and 241B: Bolts 13

Sanda number: TW3069PA Sanda number: TW3069PA 1291674 232, 242: outer slide rails 233, 243: inner slide rails 234, 244: constant force springs 234A, 244A · · coil ends 235, 245: rollers 235A, 251A, 252A Holes 236, 246: spacer 250: baffle 251: first fixing plate _ 252: second fixing plate P: predetermined position P': position 14

Claims (1)

Sanda number: TW3069PA 1291674 X. Patent application scope: 1. A lifting mechanism suitable for a display screen, the lifting mechanism comprises: a base having two supporting arms, and the two supporting arms are used for the display screen The display screen is supported by the side; and the two pivot assemblies are respectively disposed between the display screen and the two support arms, and the two pivot assemblies respectively have a sliding positioning portion and a rotating portion connected to each other. The two rotating arms are respectively connected to the two supporting arms for rotating the display screen relative to the base, and the two sliding positioning portions are respectively connected to the two sides of the display screen for adjusting the display screen The distance from the base. 2. The lifting mechanism of claim 1, wherein the display screen has a predetermined position on the base, and when the display screen is located at the predetermined position, the position of the center of gravity of the display screen is substantially The two rotating parts are arranged in a line. 3. The lifting mechanism of claim 1, wherein the two sliding positioning portions respectively comprise an outer sliding I rail and an inner sliding rail, and the two outer sliding rails are respectively coupled to each other. Connecting the two rotating portions, the two inner slide rails are respectively connected to the two sides of the display screen, so that the display screen and the inner slide rail can be relatively moved between the outer slide rails coupled to the base. 4. The lifting mechanism of claim 3, wherein the two sliding positioning portions respectively comprise a force spring, the two constant force springs each having a first end and a second end, the first two The display is connected to the display screen, and the two second ends are respectively connected to the two outer slide rails. 15 : TW3069PA 5 · as claimed in the patent scope = sliding positioning section (10) ^ the lifting mechanism, wherein the cattle and - the second cylinder, the socket can be relatively moved one of the first read two second Each of the tubular members is connected to each of the two rotating portions, 6·if the patent application range is the second and the second sliding portion, respectively, a lifting mechanism, wherein the first end and the second end are The second fixed force spring has two second ends respectively connected to the second one: = the end is connected to the display camp, and the seventh is as claimed in the third part of the rotating part (4). a lifting mechanism, wherein the display system comprises: a display screen, and a lifting mechanism, including: two display arms of the screen, the two arms are used for one side of the ginseng Supporting the display screen; and two pivot assemblies, each of the right and a right portion, and a rotating portion, one of the 兮/, one of the interconnections is slidably positioned and the one of the rotating portions is separately connected to the display The screen is rotated relative to the base, and the distance from the side of the base is used to indicate the situation The screen has a predetermined position on the pedestal as described in item 8 of the patent application scope, and the spring collar: ▲mo, the middle of the predetermined position, the weight of the display screen; Arranged in a straight line in the turn. The system is essentially related to the second rotation