TWI669595B - Transmission for expanding the display - Google Patents

Abstract

A transmission for extending a display includes a body, a combination of at least a first display, a second display, and a transmission module mountable to the body. The transmission module can drive the second display to reciprocate on an X-direction reference axis; and the second display is provided with a driving module to reciprocate the second display on a Y-direction reference axis of the vertical X-direction reference axis, The screen of the first display and the screen of the second display are brought into an extended combination (constituting the same plane position), and/or a folding mechanism.

Description

Transmission for expanding the display

The present invention relates to a transmission for expanding a display; and more particularly to a technique for establishing a plurality of display screens to expand and/or collapse.

It is a well-known technique to apply a plurality of displays (or display screens) to each other to form a larger size screen type (or a video wall structure) to achieve a video output function. For example, Taiwan No. 99141387 "Multi-in-one screen that can automatically switch display screens", application instruction to control a plurality of screens superimposed or merged with each other, No. 102147287 "Display device and method based on splicing instruction display screen" Cases and the like provide a typical embodiment.

The old method has also revealed the application of a plurality of movable screens, together with the shaft drive, to move the screen from the stowed position to the position of the position; for example, US 2005/008463 A1 "EXPANDED DISPLAY FOR CELL PHONE, PALM PILOT OR COMPUTER", US 7848091 B2 "DUAL-SCREEN MOBILE DISPLAY DEVICE", US 2012/0182295 A1 "PERSONAL PORTABLE COMMUNICATION DEVICES WITH DEPLOYABLE DISPLAY SYSTEMS FOR THREE DIMENSIONAL VISUAL REPRESENTATIONS AND/OR PRIVACY AND METHODS OF USE" patent case, etc., provides a feasible implementation example.

Typically, these references show the design techniques of conventional display screen devices in terms of structure and application. If the redesign is to consider the structure of the display or the power unit that displays the screen, making it different from the conventional device, it will provide a mechanism to achieve the desired power transmission under the condition of easy operation.

Accordingly, it is a primary object of the present invention to provide a transmission for extending a display comprising a body, a combination of at least a first display, a second display, and a transmission module mountable to the body. The transmission module can drive the second display to reciprocate on an X-direction reference axis; and the second display is provided with a driving module to reciprocate the second display on a Y-direction reference axis of the vertical X-direction reference axis, The screen of the first display and the screen of the second display are brought into an extended combination (constituting the same plane position), and/or a folding mechanism.

According to the transmission device for expanding the display of the present invention, the transmission module includes a motor-driven rotating shaft and an actuator that moves with the rotating shaft; the actuator is formed into a ring body or a turntable structure, and is provided with a driving portion, which can be in the body A path portion and a traction portion of the second display reciprocate to move the second display to move on the X-reference axis to establish an extended combination of the first display, the second display, and/or the function of the body.

According to the transmission device for expanding the display of the present invention, the driving module includes a motor-driven driving lever, a follower portion of the combined driving lever, and a reaction frame of the pivoting follower portion and the second display. And, the follower can reciprocate (upper and lower) with the movement of the driving rod, so that the reaction frame drives the second display (or its screen) to move on the Y-reference axis to reach the same position as the first display (or its screen) The height position of the ) is obtained by combining the functions of the first display.

According to the transmission device for expanding the display of the present invention, the body is assembled with a base frame and a drive. The driver comprises a motor-driven drive rod, a follower portion of the combined drive rod and a pivoting follower, and a reaction arm of the base frame. And the follower portion can reciprocate with the movement of the driving rod, so that the reaction arm drives the base frame to open to form the supporting body, and/or drives the base frame to fit the shape of the body.

Referring to Figures 1, 2 and 3, the transmission for extending the display of the present invention comprises a combination of a body 90 and at least two displays (10, 20...; or display screens). The body 90 defines an X-direction reference axis and a Y-direction reference axis and a Z-direction reference axis perpendicular to the X-direction reference axis; the body 90 is framed and/or a housing structure to fit or house the display. And, the display includes at least a first display 10 (and screen 11), a second display 20, and/or a third display 30 as an illustrative embodiment.

In the preferred embodiment, the body 90 is assembled with a base frame 95 and a driver 80. The base frame 95 has one end pivotally connected to the body 90, so that the base frame 95 is formed into a swingable shape. The driver 80 includes a driving lever 82 driven by a motor 81, a follower portion 83 of the combined driving lever 82, a pivoting follower portion 83, a reaction arm 84 of the base frame 95, and the like.

In detail, the driver 80 (or the motor 81 and the driving rod 82) cooperates with the base 85 to be assembled and fixed on the body 90. The driving rod 82 is provided with a threaded section 86, which is pivotally connected to the follower 83, so that the follower 83 responds to the driving rod. 82 rotates and reciprocates (or moves) on the Z-reference axis. And, the follower portion 83 is provided with at least one or two pivoting ends 87 for pivoting the reaction arm 84.

The figure shows that the reaction arm 84 has a first end 84a and a second end 84b; the first end 84a cooperates with the fixing portion 96 on the base frame 95 and the fixing portion shaft hole 97, pivoting the base frame 95, and the second end 84b pivot The pivoting end 87 of the follower 83 is connected.

4 and 5 depict the case where the motor 81 drives the drive rod 82 and the threaded section 86 rotates, the drive follower 83 moves on the Z-reference axis, and the control base 95 is opened or folded into the body 90.

When the follower portion 83 moves upward in the figure, the first end 84a of the compression reaction arm 84 is directed toward the outside of the body 90 (or the Y-direction reference axis), and the base frame 95 is pushed open to form the support body 90; for example, the fifth The situation depicted in the figure. And/or when the follower portion 83 moves downward in the drawing, the reaction arm 84 is pulled to pull the pedestal 95 to fit the shape of the body 90; for example, the situation depicted in FIG.

In a possible embodiment, the base 85 (or body 90) of the driver 80 is provided with a spur 88 for assisting the movement of the reaction arm 84 toward the push-up yoke 95 when the follower 83 is pressed against the reaction arm 84. The role. And, the body 90 is provided with a positioning portion 91 for assisting in fixing the driving rod 82 of the driver 80 and limiting the range of motion of the driver follower portion 83.

Referring to FIG. 6, the body 90 is provided with a transmission module 40. The transmission module 40 includes a rotating shaft 42 driven by a motor 41 and a transmission 43 that moves in accordance with the rotation of the rotating shaft 42. The transmission 43 is formed into an annular body or a turntable structure, and is provided with a toothed structure guiding portion 44.

Specifically, the rotating shaft 42 has a driving section 45 of a worm structure, and cooperates with a rotating wheel 46 to engage the driving portion 44 of the transmission 43; therefore, when the rotating shaft 42 rotates, the rotating shaft 42 is driven to form a synchronous rotation of the transmission 43. Type. And, the actuator 43 is provided with at least one transmission post.

In the embodiment, the second display 20 and the third display 30 are combined, and the transmission column includes a main transmission column 47 and a sub-transmission column 48, which are substantially at opposite positions of the transmission 43. The main body 50 is provided with a main board 50 and/or a sub-board 55. The main board 50 and the sub-board 55 are provided with arc-shaped path portions 51 and 56 which are semi-circular orbital structures for receiving the main transmission column 47 and the auxiliary transmission column 48, respectively. .

The figure shows that the path portion 51 of the main board 50 is arched in the upper direction in the figure, and is "(" type, the path portion 56 of the sub-plate 55 is arched in the downward direction in the figure, and becomes ""). . Further, the main transmission column 47 is located at the starting point 51a of the main board path portion 51, and the sub-transmission column 48 is located at the starting point 56a of the sub-board path portion 56, which are respectively defined as the first position, and the main transmission post 47 is located at the main board path portion 51. The end point 51b and the auxiliary transmission post 48 are located at the end point 56b of the sub-plate path portion 56, and are respectively defined as the second position.

FIG. 6 also shows that the main board 50 and the sub-board 55 are provided with pivoting portions 52 and 57 respectively, and the main rod 53 and the sub-rod 58 are respectively coupled to the second display 20 and the third display 30.

In the embodiment taken, the second display 20 and the third display 30 include the screens 21, 31, the screen back plates 22, 32, the base bodies 23, 33, and the traction portions 24 provided in the grooved structure on the base bodies 23, 33. 34. The second display base 23 is coupled to the main plate pivoting portion 52 in cooperation with the main pole 53. The third display base 33 is coupled to the sub-board pivoting portion 57 by the auxiliary lever 58 so that the second display 20 and the third display 30 can be on the X-reference axis. Form a reciprocating movement freely. And, the main transmission column 47 is pivotally connected (or positioned) to the traction portion 24 of the second display 20, and the auxiliary transmission column 48 is pivotally connected (or positioned) to the traction portion 34 of the third display 30, so that the second display 20, The three displays 30 are reciprocable on the X-referenced axis to establish the function of expanding the combined first display 10 and/or collapsing the body 90.

Referring to FIG. 6 and FIG. 7 , the second display 20 and the third display 30 are respectively provided with a driving module 60. The driving module 60 includes a driving rod 62 driven by a motor 61, a follower portion 63 of the combined driving rod 62, a base portion 65 and a pivoting follower portion 63, a second display 20 (screen back panel 22) or a third display 30 ( The reaction frame 70 of the screen back plate 32).

In detail, the bases 23, 33 of the second display 20 and the third display 30 are provided with fixing portions 25, 35 and groove portions 26, 36; and the screen back plates 22, 32 of the second display 20 and the third display 30 are respectively disposed. There are combined portions 28, 38, restricting portions 29, 39, and restricting grooves 29a, 39a formed in the restricting portions 29, 39. And, the base 33 of the third display 30 (or the second display 20) is formed with a protruding rib 33a structure for reducing the friction or resistance when the drive module follower 63 moves.

In the embodiment, the driving module 60 (or the motor 61 and the driving rod 62) cooperates with the base portion 65 and the fixing portion 25 of the second display 20 and the fixing portion 35 of the third display 30, and is assembled and fixed to the base body 23, 33. The drive rod 62 is provided with a threaded section 66 pivotally connected to the follower 63 to cause the follower 63 to reciprocate (or move) on the Z-reference axis in response to the rotation of the drive rod 62. Moreover, the fixing portion 35 of the third display 30 is further connected with an extending portion 35a for assisting in maintaining the stability of the follower portion 63 of the driving module 60 when moving on the Z-reference axis.

The figures 6 and 7 also show that the base 33 of the third display 30 is provided with a rail 37 corresponding to receiving or detaining a stud 32a disposed on the screen back panel 32; to assist in standardizing the movement stability of the screen back panel 32.

In a possible embodiment, the follower portion 63 of the driving module 60 is formed with a mouth portion 69 for accommodating the second display fixing portion 25 (or the third display fixing portion 35); therefore, the size or height position of the mouth portion 69 With the second display fixing portion 25 (or the third display fixing portion 35), the moving distance of the follower portion 63 can be determined. The follower portion 63 and the base portion 65 of the driving module 60 are respectively provided with at least one or two pivoting ends 67, 68 for pivoting the reaction frame 70.

The reaction frame 70 showing the drive module 60 includes a main arm 71 and a sub-arm 72. The main arm 71 and the sub-arm 72 have first ends 71a, 72a, second ends 71b, 72b, respectively, and are connected at the first end 71a. The waist portions 73, 74 between the 72a and the second ends 71b, 72b.

In the embodiment, the first end 71a of the main arm is pivotally connected to the pivoting end 67 of the follower 63 of the driving module, and the second end 71b of the main arm is pivotally connected to the second display combining part 28 (or the third display combining part) 38); the jib first end 72a is pivotally connected to the limiting slot 29a of the second display limiting portion 29 (or the limiting slot 39a of the third display limiting portion 39), and the jib second end 72b is pivotally connected to the pivot of the driving module base 65 Terminal 68.

The waist portion 73 of the main arm 71 and the waist portion 74 of the sub-arm 72 are pivotally connected to the shaft pin 75 to form a pivot point, so that the main arm 71 and the sub-arm 72 form an intersecting or X-shaped state. Therefore, the follower portion 63 of the driving module 60 can reciprocate (upper and lower) along the Z-reference axis along with the movement of the driving rod 62, so that the reaction frame 70 drives the second display 20 (the screen 21) or the third display 30. (Screen 31) moves on the Y-reference axis to reach the same height position as the first display 10 (or its screen 11) to obtain the effect of merging the first display 10.

Referring to FIG. 8, a case where the first display 10, the second display 20, and the third display 30 are combined or housed in the body 90 is shown. At this time, the main transmission post 47 is located at the starting point 51a of the main board path portion 51 (and/or the sub-transmission post 48 is located at the starting point 56a of the sub-plate path portion 56), or the first position.

FIG. 9 depicts the rotating shaft driving section 45 of the transmission module 40 driving the rotating wheel 46 and the driving portion 44 of the transmission 43 to rotate the transmission 43 to drive the main transmission column 47 along the main-board path portion 51 toward the end point 51b (and/ Or the secondary drive post 48 moves along the secondary plate path portion 56 toward the end point 56b) or the second position and drives the second display 20, the third display 30 to move over the X-reference axis (expanding toward the exterior of the body 90).

The figure also shows the change of the position of the main transmission post 47 in cooperation with the main plate path portion 51, from the bottom end of the second display pulling portion 24 shown in Fig. 8 to the top end position of the traction portion 24 shown in Fig. 9. It will be appreciated that the position of the secondary drive post 48 in conjunction with the secondary plate path portion 56 changes from the top end of the third display traction portion 34 to the bottom end position of the traction portion 34.

Referring to FIGS. 10 and 11, when the actuator 43 drives the main transmission post 47 to reach the end point 51b of the main board path portion 51 (and/or the auxiliary transmission post 48 reaches the end point 56b of the sub-plate path portion 56) or the second position, When the second display 20 (and/or the third display 30) is in a fully expanded state, the main drive post 47 is again moved from the top end position of the second display pull portion 24 to the bottom end position of the traction portion 24 (and/or the secondary drive post 48). Moving from the bottom end position of the third display pulling portion 34 to the top end position of the traction portion 34).

Referring to Figures 12 and 13, a depiction of the cooperation of the third display 30 and the drive module 60 is depicted. When the driving module 60 driving rod 62 (or the thread segment 66) drives the follower portion 63 to move downward along the Z-reference axis toward the reference axis, the driving portion pivoting end 67 pushes down the main arm 71 (or the main arm first) End 71a), the main arm 71 is pivoted with the pivot pin 75 of its waist portion 73, and the second end 71b of the main arm pushes or pushes the screen back of the third display 30 (or the second display 20) toward the Y-reference axis. The board combination portion 38 and the screen 31 (or the screen back panel assembly portion 28 and the screen 21 of the second display 20); for example, the case depicted in Figs.

And, when the follower portion 63 moves toward the lower side in the drawing along the Z-reference axis, the follower portion 63 presses the base portion 65 to press the jib 72 (or the jib second end 72b), and the jib 72 is at the axis of the waist portion 74 thereof. The pin 75 is a fulcrum, and the first arm end 72a of the yoke is allowed to move within the third display limiting groove 39a (or the second display limiting groove 29a), and the screen of the third display 30 is pushed or pushed away toward the reference axis. The backplane limiting portion 39 and the screen 31 (or the screen backing plate limiting portion 29 and the screen 21 of the second display 20) together cause the third display 30 (or the second display 20) to reach a set (height) position, and A display 10 is combined or combined into a unitary form; for example, the situation depicted in Figures 14 and 15.

Figure 14 also depicts the movement of the stud 32a along the track 37 of the third display base 33 as the third display 30 moves over the Y-reference axis. And, when the third display 30 (or the second display 20) reaches the set position or is in the same plane as the first display 10 (or the same position as the first display 10), the reaction rack 70 is in the cross open position. And constitute a pattern similar to "X".

It can be understood that when the driving module 60 drives the third display 30 (or the second display 20) to reverse the opposite of the above-mentioned motion type, the third display 30 (or the second display 20) is returned to the 10th. , 11, 12 shows the position. And, the third display 30 (or the second display 20) is driven by the transmission module 40 to return to the first position shown in FIG. 8 from the second position.

Typically, the transmission for the extended display is characterized by the ease of operation, and the following advantages and considerations are included in comparison with the old method: 1. The body 90 combines the first display 10, The structure of the second display 20 and/or the third display 30 has been redesigned. For example, the body 90 is provided with a driver 80, a reaction arm 84 and a base frame 95, so that the base frame 95 can open the support body 90 or be folded into the body 90; the body 90 is provided with the transmission module 40, the transmission 43, and the main transmission column 47. And/or the auxiliary transmission post 48, in cooperation with the path portions 51, 56 of the main board 50 and/or the sub-board 55, the second display 20 and/or the third display 30 are moved between the first position and the second position; The display 20 and/or the third display 30 are provided with a driving module 60, a follower portion 63, and a reaction frame 70 to drive the second display 20 and/or the third display 30 to a set (height) position, and the first display 10 The combination and/or folding mechanism is obviously different from the structural type and operational movement mode of the prior art. 2. In particular, the transmission module 40 drives the configuration of the second display 20 and/or the third display 30 to provide a mechanism by which a plurality of transmission modules 40 can be used to drive a plurality of displays.

Therefore, the present invention provides an effective transmission device for expanding the display, and the spatial type is different from the conventional one, and has the advantages unmatched in the old method, and shows a considerable progress, and has been fully charged. The parts meet the requirements of the invention patent.

However, the above is only a possible embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the equivalent variations and modifications made by the scope of the present invention are covered by the scope of the present invention. .

10 first display

11, 21, 31 screen

20 second display

22, 32 screen back

23, 33 matrix

24, 34 traction department

25, 35 fixed part

26, 36 groove

28, 38 combination department

29, 39 Restrictions

29a, 39a limit slot

30 third display

32a stud

33a rib

35a extension

37 tracks

40 drive module

41, 61, 81 motor

42 shaft

43 actuator

44 Pilot

45 drive segment

46 runner

47 main drive column

48 auxiliary transmission column

50 motherboard

51, 56 path department

51a, 56a starting point

51b, 56b end point

52, 57 pivotal

53 main pole

55 sub board

58 auxiliary rod

60 drive module

62, 82 drive rod

63, 83 follow-up department

65, 85 base

66, 86 thread segments

67, 68, 87 pivot end

69 mouth

70 reactor

71 main arm

71a, 72a, 84a first end

71b, 72b, 84b second end

72 jib

73, 74 waist

75 axle pin

80 drive

84 reaction arm

88 struts

90 ontology

91 positioning department

95 base frame

96 fixed part

97 shaft hole

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic perspective view of the present invention; showing the structural combination of the body, the first display and the pedestal.

Figure 2 is a schematic view of another perspective view of the present invention; showing the structural combination of the body, the pedestal and the driver.

Figure 3 is a schematic exploded view of one of Figure 2; depicting the structure of the body, pedestal, and actuator.

Figure 4 is a schematic view of a planar structure of Figure 2.

Figure 5 is a schematic illustration of one embodiment of the operation of Figure 4; depicting the situation in which the drive drives or pushes the pedestal.

Figure 6 is a schematic exploded view of the structure of the present invention; showing the structure of the body, the first display, the transmission module, the second display, the drive module, the third display and the sub-drive module.

Figure 7 is a schematic exploded view showing the structure of the third display and the sub-drive module of the present invention.

Figure 8 is a schematic illustration of one of the planar combination structures of the present invention; showing the first display, the second display, and/or the third display being in a collapsed position or a first position.

Figure 9 is a plan view showing the operation of an embodiment of the present invention; depicting the movement of the first display and the second display along the X-reference axis.

Figure 10 is a plan view showing a planar structure of another operational embodiment of the present invention; depicting a movement of the first display and the second display along the X-direction reference axis to the second position.

Figure 11 is a perspective view of the three-dimensional structure of Figure 7.

Figure 12 is a schematic view of a planar structure of the present invention; showing the structural combination of the third display and the driving module.

Figure 13 is a plan view showing the planar structure of an operational embodiment of Figure 12; depicting the case where the drive rod of the drive module drives the follower toward the lower (or Z-reference) axis in the figure.

Figure 14 is a schematic plan view of a plane of Fig. 13; showing that the driving rod of the driving module drives the follower portion to move downward (or the Z-direction reference axis) in the figure, so that the reaction frame pushes the third display toward the Y-direction reference axis The situation of sports.

Figure 15 is a perspective view showing the operation of an embodiment of the present invention; depicting a case where the second display, the third display are expanded or combined with the first display.

Claims (23)

A transmission device for expanding a display comprises a body, a combination of a plurality of displays and a transmission module mountable on the body; the body defines an X-direction reference axis and a Y-direction reference axis perpendicular to the X-direction reference axis, Z-direction a reference display; the plurality of displays at least includes a first display, a second display, the first display has a screen; the transmission module includes a rotating shaft, a actuator that moves with the movement of the rotating shaft, and the actuator drives the second display on the X-reference axis Reciprocating; and the body is one of a frame and a housing structure; the body is assembled with a base frame and a driver; the base frame has one end pivotally connected to the body to form a swingable free form; and the drive includes a motor-driven drive a lever, a follower portion of the combined drive rod and a pivoting follower portion, a reaction arm of the base frame; the second display is provided with a screen, a base body and a driving module assembled on the base body; the drive module has a base portion and is pivoted at the base portion The drive rod and the driving portion of the driving rod enable the second display to reciprocate on the Y-reference axis to jointly make the screen of the first display and the second display Constituting the expanded combined, folding mechanism. The transmission device for expanding the display according to claim 1, wherein the driver is assembled and fixed on the body by a base; the driving rod is provided with a threaded section, and the follower is pivotally connected to drive the follower portion. The rod rotates to reciprocate on the Z-reference axis; the follower portion is provided with at least one pivot end to pivotally connect the reaction arm; and the reaction arm has a first end and a second end; the first end of the reaction arm is coupled to the base frame The fixing portion and the fixing portion are connected to the shaft, the pivoting base is pivoted, and the second end is pivotally connected to the pivoting end of the follower of the driver. The transmission device for expanding the display according to claim 2, wherein one of the base and the body of the driver is provided with a protruding rod; and the body is provided with a positioning portion for assisting the driving rod and the limit of the fixed driver The range of motion of the drive follower. The transmission device for expanding the display according to claim 1 or 2 or 3, wherein the transmission of the transmission module is one of an annular body and a turntable structure, and the driving portion is provided; the rotating shaft has a driving portion. The actuator is provided with at least one transmission post, so that the transmission column moves in a path portion to drive the second display to move; the path portion is formed in an arc shape and is disposed on one of the main boards; and the second display is provided with a screen back The driving module of the second display has a reaction frame that moves in response to the movement of the follower portion of the driving module. The transmission device for expanding the display according to claim 4, wherein the driving portion of the transmission has a toothed structure; the driving portion of the rotating shaft has a worm structure, and a rotating wheel engages the driving portion of the transmission. The transmission device for expanding the display according to claim 4, wherein the display further comprises a third display, the third display is also provided with a screen, a base body and a driving module assembled on the base body, so that the third display Reciprocating on the reference axis of Y; the third display is also provided with a screen back plate, and the driving module of the third display also has a reaction frame that moves in response to the movement of the follower portion of the driving module; the transmission column includes a main transmission column, The auxiliary transmission column is located at two opposite positions of the transmission; and the body further comprises a sub-board, wherein the sub-board is also provided with a path portion; the main board path portion and the sub-board path portion are formed into a semi-circular circular track structure, respectively accommodating the main transmission column and the auxiliary a transmission column; and, the main transmission column is located at the starting point of the path portion of the main board, and the auxiliary transmission column is at the starting point of the path portion of the sub-board, respectively defined as the first position, the main transmission The moving column position is defined as the second position at the end point of the main board path portion and the auxiliary transmission column position at the end point of the sub-board path portion. The transmission device for expanding a display according to claim 5, wherein the display further comprises a third display, the third display is also provided with a screen, a base body and a driving module assembled on the base body, so that the third display Reciprocating on the Y-reference axis; the third display is also provided with a screen back plate, and the driving module of the third display also has a reaction frame that moves in response to the movement of the follower portion; the transmission column includes a main transmission column and a sub-transmission column Positioned on two opposite positions of the actuator; and the body further comprises a sub-board, the sub-board is also provided with a path portion; the main board path portion and the sub-board path portion are formed into a semi-circular annular track structure, respectively accommodating the main transmission column and the auxiliary transmission column; Moreover, the main transmission column is located at the starting point of the main board path portion and the auxiliary transmission column position is at the starting point of the sub-board path portion, respectively defined as the first position, the main transmission column is at the end point of the main board path portion, and the auxiliary transmission column is at the vice position. The end points of the board path portions are defined as the second positions, respectively. The transmission device for expanding the display according to the sixth aspect of the invention, wherein the path portion of the main board is arched upward in an upward direction to form a "(" type, and the path portion of the sub-plate is curved downward toward the arc. The main board and the sub-board are provided with a pivoting portion, the second display base body is coupled with a main pole to connect the main board pivoting portion, and the third display base body is coupled with a sub-bar to connect the sub-board pivoting portion. The transmission device for expanding the display according to the seventh aspect of the invention, wherein the path portion of the main board is arched upward in an upward direction to form a "(" type, and the path portion of the sub-plate is curved downward toward the arc. The main board and the sub-board are provided with a pivoting portion, the second display base body is coupled with a main pole to connect the main board pivoting portion, and the third display base body is coupled with a sub-bar to connect the sub-board pivoting portion. The transmission device for expanding the display according to the sixth aspect of the invention, wherein the base of the second display and the base of the third display are respectively provided with traction portions of the groove structure, respectively accommodating the main transmission column and the auxiliary transmission column . The transmission device for expanding the display according to the seventh aspect of the invention, wherein the base of the second display and the base of the third display are respectively provided with traction portions of the groove structure, respectively accommodating the main transmission column and the auxiliary transmission column . The transmission device for expanding the display according to the invention of claim 8, wherein the base body of the second display and the base of the third display are respectively provided with traction portions of the groove structure, respectively accommodating the main transmission column and the auxiliary transmission column . The transmission device for expanding the display according to claim 9, wherein the base of the second display and the base of the third display are respectively provided with traction portions of the groove structure, respectively accommodating the main transmission column and the auxiliary transmission column. . The transmission device for expanding the display according to claim 4, wherein the base of the second display is provided with a fixing portion and a groove portion, and the screen back plate of the second display is provided with a combination portion, a restriction portion and a formation portion a limiting slot on the limiting portion; the driving module is matched with the fixing portion of the base portion and the second display, and is assembled and fixed on the second display base; the driving rod of the driving module is provided with a threaded section, and the driving part of the driving module is pivotally connected The follower portion of the drive module reciprocates on the Z-reference axis in response to the rotation of the drive rod; the follower portion of the drive module is formed with a mouth portion for receiving the second display fixing portion; the follower portion and the base portion of the drive module There is at least one pivoting end, pivoting the reaction frame; the reaction frame comprises a main arm and a jib; the main arm and the jib respectively have a first end, a second end and a connection between the first end and the second end Waist; the first end of the main arm is pivotally connected to the pivoting end of the follower portion, and the second end of the main arm is pivotally connected to the second display combination The first end of the jib is pivotally connected to the limiting slot of the second display limiting portion, the second end of the jib is pivotally connected to the pivoting end of the base of the driving module; and the waist of the main arm and the waist of the jib are engaged with the pivot pin A pivot point is formed such that the reaction frame drives the second display to move on the Y-reference axis. The transmission device for expanding the display according to claim 5, wherein the base of the second display is provided with a fixing portion and a groove portion, and the screen back plate of the second display is provided with a combination portion, a restriction portion and a formation portion a limiting slot on the limiting portion; the driving module is matched with the fixing portion of the base portion and the second display, and is assembled and fixed on the second display base; the driving rod of the driving module is provided with a threaded section, and the driving part of the driving module is pivotally connected The follower portion of the drive module reciprocates on the Z-reference axis in response to the rotation of the drive rod; the follower portion of the drive module is formed with a mouth portion for receiving the second display fixing portion; the follower portion and the base portion of the drive module There is at least one pivoting end, pivoting the reaction frame; the reaction frame comprises a main arm and a jib; the main arm and the jib respectively have a first end, a second end and a connection between the first end and the second end The first end of the main arm is pivotally connected to the pivoting end of the follower portion, and the second end of the main arm is pivotally connected to the second display assembly portion; the first end of the jib is pivotally connected to the limiting slot of the second display limiting portion, The second end of the arm is pivotally connected to the base of the driving module base ; Waist and the main arm and the secondary arm waist, with the pivot pin connected to the shaft forming the fulcrum, so that the reaction to drive the second display frame motion to the reference axis in Y. The transmission device for expanding the display according to the sixth aspect of the invention, wherein the base of the second display and the third display is provided with a fixing portion and a groove portion; and the screen back plates of the second display and the third display are respectively disposed. a combination portion, a restriction portion, and a restriction groove formed on the restriction portion; The driving module cooperates with the fixing portion of the base portion and the second display, and the fixing portion of the third display, and is assembled and fixed on the base body; the driving rod of the driving module is provided with a threaded section, and the driving part of the driving module is pivotally connected to the driving module. The follower portion reciprocates on the Z-reference axis in response to the rotation of the driving rod; the fixing portion of the third display is further connected to form an extending portion; the base of the third display is provided with a track corresponding to the receiving device and disposed on the back of the third display screen a base of the third display; the base of the third display is formed with a protruding structure; the follower portion of the driving module is formed with a mouth portion for respectively receiving the second display fixing portion and the third display fixing portion; and driving of the third display The follower and the base of the module are respectively provided with at least one pivoting end, pivoting the reaction frame; the reaction frame comprises a main arm and a jib; the main arm and the jib respectively have a first end, a second end and a first connection a waist portion between the end and the second end; the first end of the main arm is pivotally connected to the pivoting end of the follower portion of the driving module, and the second end of the main arm is pivotally connected to the second display combining portion and the third display combining portion; One end pivotally connected to the second display a limiting groove of the restricting portion, a restricting groove of the third display restricting portion, a second end of the jib pivotal connection of the pivot end of the base of the driving module, and a waist portion of the main arm and a waist portion of the jib, and the shaft pin is pivotally connected to form a pivot point The reaction frame drives the second display and the third display to move on the Y-reference axis. The transmission device for expanding the display according to claim 7, wherein the base of the second display and the third display is provided with a fixing portion and a groove portion; and the screen back plates of the second display and the third display are respectively disposed. a fixing portion, a limiting portion and a limiting groove formed on the limiting portion; the fixing portion of the driving module cooperates with the base portion and the second display, and the fixing portion of the third display are assembled and fixed on the base; the driving rod of the driving module is provided The threaded section pivotally drives the follower portion of the drive module to cause the follower portion of the drive module to reciprocate on the Z-reference axis in response to the rotation of the drive rod; The fixing portion of the third display is further connected to form an extending portion; the base of the third display is provided with a track correspondingly for receiving a stud disposed on the back panel of the third display screen; and the base of the third display is formed with a rib having a protruding structure The follower portion of the driving module is formed with a mouth portion for respectively accommodating the second display fixing portion and the third display fixing portion; the driving portion of the driving module of the third display and the base portion are respectively provided with at least one pivoting end, and the pivot The reaction frame comprises a main arm and a jib; the main arm and the jib respectively have a first end, a second end and a waist connected between the first end and the second end; the first end of the main arm is pivotally driven a second end of the main arm is pivotally connected to the second display assembly portion and the third display combination portion; the first end of the jib is pivotally connected to the restriction slot of the second display restriction portion, and the third display restriction portion is a limiting slot, the second end of the jib is pivotally connected to the pivoting end of the base of the driving module; and the waist of the main arm and the waist of the jib are pivotally connected with the pivot pin to form a pivot point, so that the reaction frame drives the second display and the third The display moves on the Y-reference axis . The transmission device for expanding the display according to claim 8, wherein the base of the second display and the third display is provided with a fixing portion and a groove portion; and the screens of the second display and the third display are respectively disposed a fixing portion, a limiting portion and a limiting groove formed on the limiting portion; the fixing portion of the driving module cooperates with the base portion and the second display, and the fixing portion of the third display are assembled and fixed on the base; the driving rod of the driving module is provided The threaded section pivotally drives the follower portion of the driving module to cause the follower portion of the driving module to reciprocate on the Z-reference axis in response to the rotation of the driving rod; the fixing portion of the third display is further connected to form an extending portion; the third display The base body is provided with a track corresponding to receiving a stud disposed on the back panel of the third display screen; the base of the third display is formed with a rib having a protruding structure; The follower portion of the driving module is formed with a mouth portion for respectively accommodating the second display fixing portion and the third display fixing portion; the driving portion of the driving module of the third display and the base portion are respectively provided with at least one pivoting end, which is pivotally connected a reaction frame; the reaction frame includes a main arm and a jib; the main arm and the jib have a first end, a second end, and a waist connected between the first end and the second end; and the first end of the main arm is pivotally driven The second end of the main arm is pivotally connected to the second display assembly portion and the third display combination portion; the first end of the jib is pivotally connected to the restriction slot of the second display restriction portion, and the third display restriction portion is a limiting slot, the second end of the jib is pivotally connected to the pivoting end of the base of the driving module; and the waist of the main arm and the waist of the jib are pivotally connected with the shaft pin to form a pivot point, so that the reaction frame drives the second display and the third display Move on the Y-reference axis. The transmission device for expanding the display according to claim 9, wherein the base of the second display and the third display is provided with a fixing portion and a groove portion; and the screen back plates of the second display and the third display are respectively disposed. a fixing portion, a limiting portion and a limiting groove formed on the limiting portion; the fixing portion of the driving module cooperates with the base portion and the second display, and the fixing portion of the third display are assembled and fixed on the base; the driving rod of the driving module is provided The threaded section pivotally drives the follower portion of the driving module to cause the follower portion of the driving module to reciprocate on the Z-reference axis in response to the rotation of the driving rod; the fixing portion of the third display is further connected to form an extending portion; the third display The base body is provided with a track corresponding to receiving a protruding post disposed on the back panel of the third display screen; the base of the third display is formed with a rib having a protruding structure; the follower portion of the driving module is formed with a mouth portion, respectively receiving the first a second display fixing portion and a third display fixing portion; the driving portion of the driving module of the third display and the base portion are respectively provided with at least one pivoting end, pivoting the reaction frame; the reaction frame includes the main arm a jib; the main arm and the jib respectively have a first end, a second end, and a waist connected between the first end and the second end; the first end of the main arm is pivotally connected to the pivot end of the follower portion of the driving module, The second end of the main arm is pivotally connected to the second display combination And a third display combination unit; the first end of the jib is pivotally connected to the limiting slot of the second display limiting portion, the limiting slot of the third display limiting portion, and the second end of the jib is pivotally connected to the pivoting end of the base of the driving module; The waist of the main arm and the waist of the jib are pivotally connected with the shaft pin to form a pivot point, so that the reaction frame drives the second display and the third display to move on the Y-reference axis. The transmission device for expanding the display according to claim 10, wherein the base of the second display and the third display is provided with a fixing portion and a groove portion; and the screen back plates of the second display and the third display are respectively disposed. a fixing portion, a limiting portion and a limiting groove formed on the limiting portion; the fixing portion of the driving module cooperates with the base portion and the second display, and the fixing portion of the third display are assembled and fixed on the base; the driving rod of the driving module is provided The threaded section pivotally drives the follower portion of the driving module to cause the follower portion of the driving module to reciprocate on the Z-reference axis in response to the rotation of the driving rod; the fixing portion of the third display is further connected to form an extending portion; the third display The base body is provided with a track corresponding to receiving a protruding post disposed on the back panel of the third display screen; the base of the third display is formed with a rib having a protruding structure; the follower portion of the driving module is formed with a mouth portion, respectively receiving the first a second display fixing portion and a third display fixing portion; the driving portion of the driving module of the third display and the base portion are respectively provided with at least one pivoting end, pivoting the reaction frame; the reaction frame includes the main arm a jib; the main arm and the jib respectively have a first end, a second end, and a waist connected between the first end and the second end; the first end of the main arm is pivotally connected to the pivot end of the follower portion of the driving module, The second end of the main arm is pivotally connected to the second display assembly portion and the third display assembly portion; the first end of the auxiliary arm is pivotally connected to the restriction groove of the second display restriction portion, the restriction groove of the third display restriction portion, and the second end of the auxiliary arm The pivoting end of the base of the driving module; and the waist of the main arm and the waist of the jib are pivotally connected with the shaft pin to form a pivot point, so that the reaction frame drives the second display and the third display to move on the Y-reference axis. The transmission device for expanding the display according to claim 11, wherein the bases of the second display and the third display are provided with a fixing portion and a groove portion; and the screens of the second display and the third display are respectively disposed a fixing portion, a limiting portion and a limiting groove formed on the limiting portion; the fixing portion of the driving module cooperates with the base portion and the second display, and the fixing portion of the third display are assembled and fixed on the base; the driving rod of the driving module is provided The threaded section pivotally drives the follower portion of the driving module to cause the follower portion of the driving module to reciprocate on the Z-reference axis in response to the rotation of the driving rod; the fixing portion of the third display is further connected to form an extending portion; the third display The base body is provided with a track corresponding to receiving a protruding post disposed on the back panel of the third display screen; the base of the third display is formed with a rib having a protruding structure; the follower portion of the driving module is formed with a mouth portion, respectively receiving the first a second display fixing portion and a third display fixing portion; the driving portion of the driving module of the third display and the base portion are respectively provided with at least one pivoting end, pivoting the reaction frame; the reaction frame includes the main arm a jib; the main arm and the jib respectively have a first end, a second end, and a waist connected between the first end and the second end; the first end of the main arm is pivotally connected to the pivot end of the follower portion of the driving module, The second end of the main arm is pivotally connected to the second display assembly portion and the third display assembly portion; the first end of the auxiliary arm is pivotally connected to the restriction groove of the second display restriction portion, the restriction groove of the third display restriction portion, and the second end of the auxiliary arm The pivoting end of the base of the driving module; and the waist of the main arm and the waist of the jib are pivotally connected with the shaft pin to form a pivot point, so that the reaction frame drives the second display and the third display to move on the Y-reference axis. The transmission device for expanding the display according to claim 12, wherein the bases of the second display and the third display are provided with a fixing portion and a groove portion; and the screens of the second display and the third display are respectively disposed a combination portion, a restriction portion, and a restriction groove formed on the restriction portion; The driving module cooperates with the fixing portion of the base portion and the second display, and the fixing portion of the third display, and is assembled and fixed on the base body; the driving rod of the driving module is provided with a threaded section, and the driving part of the driving module is pivotally connected to the driving module. The follower portion reciprocates on the Z-reference axis in response to the rotation of the driving rod; the fixing portion of the third display is further connected to form an extending portion; the base of the third display is provided with a track corresponding to the receiving device and disposed on the back of the third display screen a base of the third display; the base of the third display is formed with a protruding structure; the follower portion of the driving module is formed with a mouth portion for respectively receiving the second display fixing portion and the third display fixing portion; and driving of the third display The follower and the base of the module are respectively provided with at least one pivoting end, pivoting the reaction frame; the reaction frame comprises a main arm and a jib; the main arm and the jib respectively have a first end, a second end and a first connection a waist portion between the end and the second end; the first end of the main arm is pivotally connected to the pivoting end of the follower portion of the driving module, and the second end of the main arm is pivotally connected to the second display combining portion and the third display combining portion; One end pivotally connected to the second display a limiting groove of the restricting portion, a restricting groove of the third display restricting portion, a second end of the jib pivotal connection of the pivot end of the base of the driving module, and a waist portion of the main arm and a waist portion of the jib, and the shaft pin is pivotally connected to form a pivot point The reaction frame drives the second display and the third display to move on the Y-reference axis. The transmission device for expanding the display according to claim 13, wherein the base of the second display and the third display is provided with a fixing portion and a groove portion; and the screen back plates of the second display and the third display are respectively disposed. a fixing portion, a limiting portion and a limiting groove formed on the limiting portion; the fixing portion of the driving module cooperates with the base portion and the second display, and the fixing portion of the third display are assembled and fixed on the base; the driving rod of the driving module is provided The threaded section pivotally drives the follower portion of the drive module to cause the follower portion of the drive module to reciprocate on the Z-reference axis in response to the rotation of the drive rod; The fixing portion of the third display is further connected to form an extending portion; the base of the third display is provided with a track correspondingly for receiving a stud disposed on the back panel of the third display screen; and the base of the third display is formed with a rib having a protruding structure The follower portion of the driving module is formed with a mouth portion for respectively accommodating the second display fixing portion and the third display fixing portion; the driving portion of the driving module of the third display and the base portion are respectively provided with at least one pivoting end, and the pivot The reaction frame comprises a main arm and a jib; the main arm and the jib respectively have a first end, a second end and a waist connected between the first end and the second end; the first end of the main arm is pivotally driven a second end of the main arm is pivotally connected to the second display assembly portion and the third display combination portion; the first end of the jib is pivotally connected to the restriction slot of the second display restriction portion, and the third display restriction portion is a limiting slot, the second end of the jib is pivotally connected to the pivoting end of the base of the driving module; and the waist of the main arm and the waist of the jib are pivotally connected with the pivot pin to form a pivot point, so that the reaction frame drives the second display and the third The display moves on the Y-reference axis .