TWM492378U - Dual shaft synchronous transmission fixing device - Google Patents

Description

Double shaft synchronous transmission fixing device

The present invention relates to a double-shaft synchronous transmission fixing device; in particular, a combination of main and auxiliary fixed plate transmission mechanisms that can be shared by a pivoting application, and provides a novel power transmission and fixing mechanism.

The utility model is equipped with a pivot or a rotating shaft which can be reciprocally rotated by an external force, and is mounted on an electronic object, such as a mobile phone, a notebook computer, a PDA, an e-book, etc., so that the cover or the display screen can be rotated to have an opening and closing function. The department has been a skilled skill. For example, Taiwan Patent No. 97222022 "Rotary Shaft Structure", No. 98207366 "Pivot Structure" and the like provide a typical embodiment.

In order to provide more operating modes and application ranges for display modules (eg, screens) and/or body modules of electronic objects, the prior art has also disclosed a method between a display module and a body module. The double shaft is arranged to enable the display module and/or the body module to generate different operating modes or rotation angles. For example, Taiwan No. 99211350 "Double Pivot Hub", US 7512426 B2 "MOBILE COMMUNICATIONS DEVICE WITH SYNCHRONISING HINGE" patent case, etc., provide a possible embodiment.

One of the problems with the operation, movement and structural design of such double-shaft or pivot assemblies is that such pivot or shaft assemblies typically employ a complex fixed structure that combines a plurality of spacers with through-holes, bump-like locating portions, The friction plate, the spring, and the like are combined on the rotating shaft; the two ends of the rotating shaft are respectively fixed by a buckle or a fixing member. And, in conjunction with the energy accumulation and release of the spring, the rotation and positioning of the shaft or pivot assembly is achieved. Basically, the overall structural design and assembly fit of the described embodiments does not achieve shorter assembly man-hours; in contrast, it also increases the manufacturing cost of the product.

Conventional techniques have also disclosed a combination of components such as a rotating wire and a linked wire (or belt) to transmit power or drive shaft motion. However, as is known to those skilled in the art, the combined structure of the wire or the drive belt may have a kinetic energy transfer delay during the cooperative operation. The reason for this is that there is a gap between the wire (or the belt) and the runner, resulting in an unsatisfactory sliding or actuation; the fixed structure of the elastic wire (or belt) and the runner combination is not ideal, so that the wire loads or transmits power. When the traction pull phenomenon occurs, the displacement effect of the transmission is reduced, or the preset force of the initial assembly of the wire and the transmission belt is reduced due to the elastic fatigue, and the synchronous motion effect of the transmission mechanism is relatively reduced.

In order to improve the above situation, the old method has also disclosed a technical structure in which a plurality of gears are used to transmit power to synchronize the rotation of the double shaft. However, as is known to those skilled in the art, the provision of a plurality of gear transmission structures on the double shaft cannot make the spacing of the double shafts as small as possible, which reflects that the entire transmission or structure needs to occupy a large space. Or volume. In particular, the transmission device is applied to a notebook computer or a small electronic device, and cannot meet the requirements of a lightweight and thin design; this situation is not what we would expect.

Typically, these references show the use and structural design of the dual hinges or pivots and their associated bonded components. If the redesign considers the structure of the shaft and related components, and the above application, it is different from the conventional one, it will change its use type, which is different from the old method; in essence, it will also increase its application range. And ease of assembly. For example, considering that the rotating shaft or its associated combined component is provided with a fixing device under the condition of structural design and simple operation conforming to the synchronous movement, the stability and the fixing effect of the rotating shaft of the synchronous movement in the operation coordination are increased; Change or adjust the distance between the two shafts according to the transmission specifications to reduce the space or volume of the entire transmission or structure, and to prevent the sliding drive or power transmission delay of their meshing transmission, and to meet the light and thin design of the electronic device. Claim. None of these topics have been specifically taught or disclosed in the above references.

Therefore, the main purpose of this creation is to provide a double-shaft synchronous transmission fixing device, which provides a structure with a compact structure, which can change or adjust the distance between the two shafts according to the transmission specifications, so that the electronic product can obtain the light and thin design requirements. The utility model comprises an actuator disposed on the first shaft and a reactor disposed on the second shaft; and an actuator configured to connect the actuator and the reactor to generate a synchronous rotation state of the first shaft and the second shaft. And, the main fixing plate and the sub fixing plate forming the same structure are disposed on the first shaft and the second shaft. The main fixing plate and the auxiliary fixing plate respectively have a base portion, and the connecting rod is pivotally connected to improve the smoothness or smoothness of the rotation of the connecting body; and the old method transmission is prone to the occurrence of jumping teeth or an empty stroke.

According to the double shaft synchronous transmission fixing device of the present invention, the base of the main fixing plate and the base of the auxiliary fixing plate respectively have a first zone and a second zone; the first zone of the main fixing plate corresponds to the second zone of the combined auxiliary fixing plate, and the main fixing The second area of the board corresponds to the first area of the combined sub-fixing board. And, the base of the main fixing plate and the base of the auxiliary fixing plate are respectively provided with a groove; the groove provides filling lubricating oil or the like to improve and maintain the smoothness or smoothness of the movement of the joint.

Referring to Figures 1, 2 and 3, the dual-shaft synchronous transmission fixing device of the present invention comprises a first shaft and a second shaft; respectively, which are denoted by reference numerals 10 and 20. The first shaft 10 and the second shaft 20 respectively have a fixing area 11 and 21 and a pivoting area 12, 22. The fixing portions 11 and 21 cooperate with the fixing seats 13 and 23 to fix the first shaft 10 and the second shaft 20 to the display module 91 and the body module 92 of the electronic device 90 (for example, a mobile phone, a computer, etc.). The first axis pivoting area 12 and the second axis pivoting area 22 (respectively) are combined with a torque module 80 to enable the first and second axes 10 and 20 to rotate the user to operate the display module 91 or the body module 92. When the force disappears, the positioning effect is obtained.

Figures 1, 2 and 3 also depict the first shaft pivoting zone 12, the second axle pivoting zone 22 having a synchronization device and a combination of synchronous transmissions. The synchronizing transmission includes an actuator 30 disposed to be coupled to the first shaft pivoting end 12 to drive or rotate with the first shaft 10; a reactor 40 disposed to be coupled to the second shaft pivoting end 22 for driving or following the second The shaft 20 is rotated; and an actuator 50 is configured to connect the actuator 30 and the reactor 40. Therefore, when the first shaft 10 drives the actuator 30 to rotate, the actuator 30 drives the linkage 50 to rotate, forcing the reactor 40 and the second shaft 20 to rotate in the direction in which the opposite actuator 30 moves, so that the first shaft 10, The second shaft 20 acts to produce a synchronous rotation pattern.

In detail, the actuator 30 and the reactor 40 respectively include a mutually parallel shaft portions 31, 41 and shaft holes 32, 42 formed in the shaft portions 31, 41 for the actuator 30 and the reactor 40 to be fixed at the The pivoting regions 12, 22 of the shaft 10 and the second shaft 20 cause the actuator 30 and the first shaft 10, the reactor 40 and the second shaft 20 to function in synchronism. The end of the actuator 30 or its shaft portion 31, the reactor 40 or its shaft portion 41 has a disc 33, 43 and crown gear structures 34, 44 provided on the discs 33, 43, respectively; outside the disc 33 (or 43) The diameter is larger than the outer diameter of the shaft portion 31 (or 41).

The connector 50 is also shown to include a shaft portion 51 having an angle or position perpendicular to the shaft portions 31, 41 of the actuator 30 and the reactor 40; crown gears corresponding to the actuator 30 and the reactor 40 The structures 34, 44, the coupler 50 are provided with spur gear structures or bevel gear structures 52 at both ends of the shaft portion 51, configured to connect or engage the crown gears 34, 44 of the actuator 30 and the reactor 40.

In a preferred embodiment, the securing means includes a primary retaining plate 60 and a secondary retaining plate 65; and the synchronizer transmission is disposed between the primary retaining plate 60 and the secondary retaining plate 65. The main fixing plate 60 and the sub-fixing plate 65 can be specially set to the same structure under conditions, which will help to manufacture in the same mold, and reduce different mold design and mold opening costs. The upper and lower positions of the main fixing plate 60 and the upper and lower positions of the sub-fixing plate 65 are respectively provided with through holes 61, 66, so that the main fixing plate 60 and the sub-fixing plate 65 are fitted and fixed to the first shaft 10 and the second shaft. 20 on. The vertical direction of the main fixing plate 60 and the sub-fixing plate 65 respectively have a mountain-shaped base portion 62, 67 for collectively pivoting the coupling 50 and allowing the coupling 50 to rotate. And, the base portions 62, 67 are located between the upper and lower through holes 61, 66, respectively.

Specifically, the base portions 62, 67 of the main fixing plate 60 and the sub-fixing plate 65 respectively have an abutment 63, 68; the recesses 63, 68 of the main fixing plate 60 and the sub-fixing plate 65 are jointly defined by one of the specifications ( The circular) contour region may be sandwiched or not wrapped around the entire circumference to pivotally connect the shaft portion 51 of the connector 50. Therefore, the diameter of the connector shaft portion 51 is equal to the width of the circular contour region. And, the main fixing plate base portion 62 and the sub fixing plate base portion 67 are respectively provided with recessed grooves 64, 69 in the recesses 63, 68, so that the recesses 63, 68 form contact faces or contact regions on both sides of the grooves 64, 69. 63a, 68a.

It should be noted that when the recesses 63, 68 provided with the grooves 64, 69 collectively enclose or pivot the shaft portion 51 of the connector 50, the shaft portions 51 of the joint 50 are pivotally applied by the contact regions 63a, 68a. Therefore, it is helpful to reduce the contact area of the base portions 62, 67 (or the recesses 63, 68) and the connector shaft portion 51, and to reduce the frictional force of the movement of the link 50 or the shaft portion 51. Also, the grooves 64, 69 provide for the filling of lubricating oil or the like, which improves and maintains the smoothness or smoothness of the rotation of the interlocking member 50, and also increases the service life of the assembly.

It can be understood that the base portions 62, 67 of the main fixing plate 60 and the sub-fixing plate 65 can change or adjust the distance between the two rotating shafts according to the transmission specifications (for example, the size of the coupling 50 or the shaft portion 51), so that the electronic product can obtain a thin design requirement. The role. Further, the main fixing plate 60 and the sub-fixing plate 65 restrict the actuator 30 and the reactor 40 so that they do not arbitrarily generate axial movement; in contrast, they do not cause an engagement gap between them and the interlock 50. At the same time, when the bases 62, 67 (or the recesses 63, 68) collectively nest or pivotally connect the shaft portion 51 of the coupling 50, the coupling 50 is also forced to arbitrarily generate the axial direction (left and right directions of FIG. 3), Movement in the radial direction (upper, lower, and front and rear directions of Fig. 3).

That is to say, the fixing means combines the transmission of the actuator 30, the reactor 40 and the interlocking unit 50, and the occurrence of the tooth skipping, the idle stroke and the rotational error is minimized as much as possible.

In a possible embodiment, the first axis pivoting area 12, the second axis pivoting area 22, the main fixing plate 60, the ejector 30, the reactor 40, the interlock 50, the auxiliary fixing plate 65, the torque module 80, and the like The parts are assembled in a casing 85.

When the person operates the display module 91 to rotate the first shaft 10 and the deflector 30 from the closed position toward the open position, the crown gear structure 34 of the actuator 30 drives the bevel gear structure 52 of the linker 50 to rotate, forcing the interlock 50 The bevel gear structure 52 drives the crown gear structure 44 of the reactor 40 and the second shaft 20 to rotate synchronously, so that the body module 92 is also rotated relative to each other. Therefore, if the display module 91 and the first shaft 10 and the actuator 30 are rotated by 180°, the actuator 50 also drives the reactor 40, the second shaft 20, and the body module 92 to rotate by 180°.

Referring to Figure 4, a second embodiment of the present work is depicted. In the illustrated embodiment, one end of the actuator 30 and one end of the reactor 40 form a positive crown gear structure 35, 45, respectively; a positive crown gear structure 35, 45 corresponding to the actuator 30 and the reactor 40, and an interlock 50 Both ends form a crown gear structure 53 configured to connect or engage the actuator 30 and the positive crown gear structures 35, 45 of the reactor 40.

In a derived embodiment, the ends of the actuator 50 are each formed with a shoulder 54 and the crown gear structure 53 is disposed on the shoulder 54. The width or diameter of the shoulder 54 is greater than the width or diameter of the connector shaft portion 51.

Referring to Figures 5, 6 and 7, a modified embodiment of the fixture is shown. The main fixing plate base portion 62 and the auxiliary fixing plate base portion 67 respectively have a first portion 62a, 67a and a second portion 62b, 67b; the main fixing plate first portion 62a corresponds to the combined auxiliary fixing plate second portion 67b, and the main fixing plate The second zone 62b corresponds to the first sub-fixing plate first zone 67a.

In detail, the main fixing plate first region 62a and the sub fixing plate first region 67a are respectively provided with a convex portion c; the main fixing plate second region 62b and the sub fixing plate second region 67b are respectively provided with a concave portion d. Therefore, the convex portion c of the first fixing plate first region 62a is fitted into the concave portion d of the second auxiliary plate second region 67b; the concave portion d of the main fixed plate second region 62b corresponds to the convex portion c of the first auxiliary fixing plate first region 67a. . The combined structure can stably fix the actuator 30, the reactor 40 and the coupling 50, and also prevent the primary and secondary fixing plates 60, 65 from shifting during the movement of the synchronous transmission; for example, Figures 6 and 7 The situation depicted.

In the embodiments of Figures 5, 6 and 7, the bases 62, 67 (or the recesses 63, 68) of the primary and secondary retaining plates 65 together define an (elliptical) contoured region that nests or pivots The shaft portion 51 of the two interlocking members 50 is connected. Two actuators 50 engage the two actuators 30 and the reactor 40, respectively. The two actuators 30 are mounted in opposite directions in the first axis pivoting region 12; the two reactors 40 are mounted in opposite directions on the second axis pivoting region 22. Therefore, when the first shaft 10 drives the two actuators 30 to rotate, the two actuators 30 respectively drive the rotation of the two actuators 50, forcing the movement of the two reactors 40 and the second shaft 20 toward the opposite actuator 30. Rotating causes the first shaft 10 and the second shaft 20 to function as a synchronous rotation type.

Comparing the connector shaft portion 51 shown in Figs. 1 or 4 and Fig. 5, the diameter of the connector shaft portion 51 of Fig. 5 is significantly larger than the diameter of the connector shaft portion 51 shown in Fig. 1 or 4. That is, the sum of the diameters of the two connector shaft portions 51 of Fig. 5 is approximately equal to the width of the elliptical contour region defined by the main fixed plate recess 63 and the auxiliary fixed plate recess 68. Therefore, Fig. 7 particularly shows that the shaft portions 51 of the two interlocking members 50 are in contact with each other; the shaft portion 51 is in contact with the type, so that when the coupling 50 is engaged with the actuator 30 and the reactor 40, two The shaft portions 51 also simultaneously produce a purely rotational or rolling motion.

Typically, the dual-shaft synchronous transmission fixing device has the following considerations and advantages compared with the old method under the condition of compact structure and simple operation: 1. The first shaft 10, The second shaft 20 and associated assembly structure (eg, the actuator 30, the shaft portions 31, 41 of the reactor 40 are provided with spur gear structures 35, 45 or the crown gear structures 34, 44 are disposed on the disks 33, 43, the mating linkage 50 The shaft portion 51 is provided with a crown gear structure 53 or a bevel gear structure 52, and the mountain-shaped base portions 62, 67 of the main fixing plate 60 and the sub-fixing plate 65 are combined to provide the recesses 63, 68, the contact regions 63a, 68a and the grooves 64, 69, The first region 62a, 67a is provided with the convex portion c, the second region 62b, 67b is provided with the concave portion d, and the portion of the shaft portion 51 of the common pivotal connector 50 is combined to constitute a fixing device, which has been redesigned; Different from the conventional art, a complex fixed structure combined wire (or belt) and a plurality of gear meshing transmissions are used to transmit the structural form of the power or the transmission shaft movement. 2. The actuator 30 and the reactor 40 are provided with the transmission structure design of the linkage 30, the main fixing plate 60, and the auxiliary fixing plate 65, which is not only advantageous for manufacturing and assembly, but also the structure of the fixing device. The type increases the stability and fixing effect of the synchronous movement shaft in terms of the operation fit; at the same time, the double shaft pitch can be changed or adjusted according to the transmission specifications (for example, the structure types of FIGS. 3 and 7) to reduce the entire The space or volume of the transmission or structure is more in line with the light and thin design requirements of the electronic device. At the same time, the fixture combines the transmissions of the actuator 30, the reactor 40 and the actuator 50, and the occurrence of head-on, idle travel and rotational errors is also minimized as much as possible.

Therefore, this creation department provides an effective double-shaft synchronous transmission fixing device. Its spatial pattern is different from the conventional ones, and it has the advantages unmatched in the old method. It shows considerable progress and is fully fulfilled. Meet the requirements of the new 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 axis

11, 21‧‧‧ fixed area

12, 22‧‧‧ pivotal area

13, 23‧‧‧ fixed seat

20‧‧‧second axis

30‧‧‧Driver

31, 41‧‧‧ shaft department

32, 42‧‧‧ shaft hole

33, 43‧‧‧

34, 44‧‧‧ crown gear structure

35, 45‧‧‧ spur gear structure

40‧‧‧Reactor

50‧‧‧Connector

51‧‧‧Axis

52‧‧‧Bevel gear structure

53‧‧‧ crown gear structure

54‧‧‧ shoulder

60‧‧‧Main fixed plate

61, 66‧‧‧through holes

62, 67‧‧‧ base

62a, 67a‧‧‧ first district

62b, 67b‧‧‧ second district

63, 68‧‧ ‧ alcove

63a, 68a‧‧‧Contact area

64, 69‧‧‧ trench

C‧‧‧ convex

D‧‧‧ recess

65‧‧‧Sub-fixing plate

80‧‧‧Torque Module

85‧‧‧shell

90‧‧‧Electronic objects

91‧‧‧Display module

92‧‧‧body module

1 is a schematic exploded view of the first embodiment of the present invention; the imaginary line portion of the figure shows the cooperation of the electronic device level in the closed position and the first axis and the second axis.

Figure 2 is a schematic view showing the combined structure of the first embodiment of the present invention; showing the structural types of the first shaft, the second shaft, the actuator, the interlock, the reactor, the main fixing plate, the auxiliary fixing plate, and the torque module. state.

Fig. 3 is a schematic cross-sectional view showing the combined structure of the first embodiment of the present invention; depicting the cooperation of the main fixed plate recess chamber and the sub-fixed plate recess common pivot joint shaft portion.

Fig. 4 is a schematic exploded view showing the second embodiment of the present creation.

Figure 5 is a schematic exploded view of the third embodiment of the present invention; the first shaft and the second shaft are provided with two actuators, a reactor, two couplings, and a base portion of the main fixing plate and a base portion of the auxiliary fixing plate. There are cases of the first zone and the second zone.

Fig. 6 is a schematic view showing the combined structure of Fig. 5; showing the arrangement of two actuators, a reactor and a linker between the main fixed plate and the auxiliary fixed plate.

Figure 7 is a cross-sectional view showing the combined structure of the third embodiment of the present invention; depicting the cooperation of the main fixed plate recess and the auxiliary fixed plate recess to pivotally connect the two coupling shaft portions.

10‧‧‧ first axis

11, 21‧‧‧ fixed area

12, 22‧‧‧ pivotal area

13, 23‧‧‧ fixed seat

20‧‧‧second axis

30‧‧‧Driver

31, 41‧‧‧ shaft department

32, 42‧‧‧ shaft hole

33, 43‧‧‧

34, 44‧‧‧ crown gear structure

40‧‧‧Reactor

50‧‧‧Connector

51‧‧‧Axis

52‧‧‧Spur gear structure

60‧‧‧Main fixed plate

61, 66‧‧‧through holes

62, 67‧‧‧ base

63, 68‧‧‧ recess

63a, 68a‧‧‧Contact area

64, 69‧‧‧ trench

65‧‧‧Sub-fixing plate

80‧‧‧Torque Module

85‧‧‧shell

Claims (27)

A double-shaft synchronous transmission fixing device comprises: a first shaft and a second shaft respectively having a fixed area and a pivoting area; at least one actuator disposed in the first shaft pivoting area and the second shaft pivoting area At least one reactor; at least one interconnecter configured to connect the actuator and the reactor to cause the first shaft and the second shaft to generate a synchronous rotation type; and a fixing device including a main fixing plate and a sub-fixing plate, disposed at The first fixed shaft and the second fixed shaft respectively have a base portion corresponding to the two when combined, and the base portions are respectively formed with an alcove, which can be mutually clamped and pivotally connected to the joint A shaft portion allows the coupling to rotate freely. The double-shaft synchronous transmission fixing device according to claim 1, wherein the main fixing plate and the sub-fixing plate have the same structure. The double-shaft synchronous transmission fixing device according to claim 1, wherein the upper and lower positions of the main fixing plate and the upper and lower positions of the auxiliary fixing plate are respectively provided with through holes, so that the main fixing plate and the auxiliary fixing plate are provided. The coupling is fixed on the first shaft and the second shaft such that the actuator, the reactor and the coupling are positioned between the main fixing plate and the auxiliary fixing plate; the vertical direction of the main fixing plate and the auxiliary fixing plate respectively form the base; The concave chamber of the fixing plate and the concave chamber of the auxiliary fixing plate jointly define a contour region, pivoting the shaft portion of the coupling; and the main fixing plate concave chamber and the auxiliary fixing plate concave chamber are respectively provided with a concave groove and formed in the groove The contact area on both sides of the slot. The double-shaft synchronous transmission fixing device according to claim 3, wherein the concave portion of the main fixing plate and the concave portion of the auxiliary fixing plate jointly define a circular contour area; the contact area of the main fixing plate concave chamber and The contact areas of the secondary fixed plate recesses collectively pivot the shaft portion of the coupling; and the diameter of the connector shaft portion is equal to the width of the circular contoured region. The double-shaft synchronous transmission fixing device according to claim 1 or 2 or 3, wherein the base of the main fixing plate and the base of the auxiliary fixing plate respectively have a first zone and a second zone; the first zone of the main fixing plate And a first portion of the auxiliary fixing plate is respectively provided with a convex portion; the second fixing portion of the main fixing plate and the second portion of the auxiliary fixing plate are respectively provided with a concave portion; the convex portion of the first fixing portion of the main fixing plate is combined with the concave portion of the second portion of the auxiliary fixing plate; And the concave portion of the second region of the main fixing plate corresponds to the convex portion of the first region of the auxiliary auxiliary fixing plate. The double-shaft synchronous transmission fixing device according to claim 5, wherein the main fixing plate recess and the auxiliary fixing plate recess jointly define an elliptical contour region, and pivotally connect the shaft portions of the two connecting bodies; The two actuators respectively engage the two actuators and the two reactors; the two actuators are assembled in opposite directions in the first shaft pivoting region; the two reactors are mounted in opposite directions on the second shaft pivoting region; And two actuators respectively drive the rotation of the two linkages, forcing the two reactors to rotate in the direction of movement of the opposite actuator. The double-shaft synchronous transmission fixing device according to claim 6, wherein the sum of the diameters of the two coupling shaft portions is equal to the width of the elliptical contour region jointly defined by the main fixed plate recess and the auxiliary fixed plate recess. And the shaft portions of the two interlockers are formed in contact with each other. The double-shaft synchronous transmission fixing device according to claim 1 or 2 or 3 or 4, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion for urging And the reactor are respectively fixed in the first shaft pivoting area and the second shaft pivoting area; one end of the shaft portion of the actuator and one end of the shaft portion of the reactor respectively have a disk and a crown gear structure disposed on the disk; the outer diameter of the disk An outer diameter of the shaft portion; a position of the coupling shaft portion being perpendicular to the actuator shaft portion and the reactor shaft portion; and a corresponding actuator crown gear structure and a reactor crown gear structure, the linkage being provided at both ends of the shaft portion One of a spur gear structure and a bevel gear structure engages the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 5, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion, so that the actuator and the reactor are respectively fixed. a first shaft pivoting region and a second shaft pivoting region; one end of the actuator shaft portion and one end of the reactor shaft portion respectively have a disk and a crown gear structure disposed on the disk; the outer diameter of the disk is larger than the outer diameter of the shaft portion The position of the coupling shaft portion is perpendicular to the actuator shaft portion and the reactor shaft portion; and the corresponding actuator crown gear structure and the reactor crown gear structure, the linkage has a spur gear structure and a bevel gear at both ends of the shaft portion One of the structures engages the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 6, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion, so that the actuator and the reactor are respectively fixed. a first shaft pivoting region and a second shaft pivoting region; one end of the actuator shaft portion and one end of the reactor shaft portion respectively have a disk and a crown gear structure disposed on the disk; the outer diameter of the disk is larger than the outer diameter of the shaft portion The position of the coupling shaft portion is perpendicular to the actuator shaft portion and the reactor shaft portion; and the corresponding actuator crown gear structure and the reactor crown gear structure, the linkage has a spur gear structure and a bevel gear at both ends of the shaft portion One of the structures engages the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 7, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion, so that the actuator and the reactor are respectively fixed. a first shaft pivoting region and a second shaft pivoting region; one end of the actuator shaft portion and one end of the reactor shaft portion respectively have a disk and a crown gear structure disposed on the disk; the outer diameter of the disk is larger than the outer diameter of the shaft portion The position of the coupling shaft portion is perpendicular to the actuator shaft portion and the reactor shaft portion; and the corresponding actuator crown gear structure and the reactor crown gear structure, the linkage has a spur gear structure and a bevel gear at both ends of the shaft portion One of the structures engages the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 1 or 2 or 3 or 4, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion for urging And the reactor are respectively fixed in the first shaft pivoting area and the second shaft pivoting area; one end of the shaft part of the actuator and one end of the shaft part of the reactor respectively have a spur gear structure; the position of the shaft part of the coupling is perpendicular to the urging a shaft portion and a reactor shaft portion; and a corresponding spur gear structure and a reactor spur gear structure, the coupling is provided with a crown gear structure at both ends of the shaft portion to engage the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 5, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion, so that the actuator and the reactor are respectively fixed. a first shaft pivoting region and a second shaft pivoting region; one end of the actuator shaft portion and one end of the reactor shaft portion respectively have a spur gear structure; the position of the coupling shaft portion is perpendicular to the shaft portion of the actuator and the reactor a shaft portion; and a corresponding spur gear structure and a reactor spur gear structure, the linker is provided with a crown gear structure at both ends of the shaft portion to engage the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 6, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion, so that the actuator and the reactor are respectively fixed. a first shaft pivoting region and a second shaft pivoting region; one end of the actuator shaft portion and one end of the reactor shaft portion respectively have a spur gear structure; the position of the coupling shaft portion is perpendicular to the shaft portion of the actuator and the reactor a shaft portion; and a corresponding spur gear structure and a reactor spur gear structure, the linker is provided with a crown gear structure at both ends of the shaft portion to engage the actuator and the reactor. The double-shaft synchronous transmission fixing device according to claim 7, wherein the actuator and the reactor respectively comprise a shaft portion parallel to each other and a shaft hole formed on the shaft portion, so that the actuator and the reactor are respectively fixed. a first shaft pivoting region and a second shaft pivoting region; one end of the actuator shaft portion and one end of the reactor shaft portion respectively have a spur gear structure; the position of the coupling shaft portion is perpendicular to the shaft portion of the actuator and the reactor a shaft portion; and a corresponding spur gear structure and a reactor spur gear structure, the linker is provided with a crown gear structure at both ends of the shaft portion to engage the actuator and the reactor. The double shaft synchronous transmission fixing device according to claim 1 or 2 or 3 or 4, wherein the first shaft pivoting area and the second shaft pivoting area are assembled with a torque module; the first shaft pivoting area The second shaft pivoting area, the main fixing plate, the deflector, the reactor, the interlocking device, the auxiliary fixing plate and the torsion module are assembled in a casing; and the first shaft fixing area and the second shaft fixing area are respectively matched with one The fixing base fixes the first shaft to a display module of one of the electronic objects, and the second shaft is fixed to one of the body modules of the electronic object. The double shaft synchronous transmission fixing device according to claim 5, wherein the first shaft pivoting area and the second shaft pivoting area are assembled with a torque module; the first shaft pivoting area and the second axis pivoting a region, a main fixing plate, an actuator, a reactor, a coupling, a sub-fixing plate and a torsion module are assembled in a casing; and the first shaft fixing region and the second shaft fixing region respectively cooperate with a fixing seat to make the first The shaft is fixed to one of the electronic components and the second shaft is fixed to one of the electronic components. The double shaft synchronous transmission fixing device according to claim 6, wherein the first shaft pivoting area and the second shaft pivoting area are assembled with a torque module; the first shaft pivoting area and the second axis pivoting a region, a main fixing plate, an actuator, a reactor, a coupling, a sub-fixing plate and a torsion module are assembled in a casing; and the first shaft fixing region and the second shaft fixing region respectively cooperate with a fixing seat to make the first The shaft is fixed to one of the electronic components and the second shaft is fixed to one of the electronic components. The double-shaft synchronous transmission fixing device according to the seventh aspect of the invention, wherein the first shaft pivoting area and the second shaft pivoting area are assembled with a torque module; the first shaft pivoting area and the second axis pivoting a region, a main fixing plate, an actuator, a reactor, a coupling, a sub-fixing plate and a torsion module are assembled in a casing; and the first shaft fixing region and the second shaft fixing region respectively cooperate with a fixing seat to make the first The shaft is fixed to one of the electronic components and the second shaft is fixed to one of the electronic components. The double shaft synchronous transmission fixing device according to claim 8, wherein the first shaft pivoting area and the second shaft pivoting area are assembled with a torque module; the first shaft pivoting area and the second axis pivoting a region, a main fixing plate, an actuator, a reactor, a coupling, a sub-fixing plate and a torsion module are assembled in a casing; and the first shaft fixing region and the second shaft fixing region respectively cooperate with a fixing seat to make the first The shaft is fixed to one of the electronic components and the second shaft is fixed to one of the electronic components. The double shaft synchronous transmission fixing device according to claim 12, wherein the first shaft pivoting area and the second shaft pivoting area are assembled with a torque module; the first shaft pivoting area and the second axis pivoting a region, a main fixing plate, an actuator, a reactor, a coupling, a sub-fixing plate and a torsion module are assembled in a casing; and the first shaft fixing region and the second shaft fixing region respectively cooperate with a fixing seat to make the first The shaft is fixed to one of the electronic components and the second shaft is fixed to one of the electronic components. The double-shaft synchronous transmission fixing device according to claim 1 or 2 or 3 or 4, wherein the base portion has a mountain-shaped structure. The double-shaft synchronous transmission fixing device according to claim 8, wherein the base portion has a mountain shape structure. The double-shaft synchronous transmission fixing device according to claim 12, wherein the base portion has a mountain shape structure. The double-shaft synchronous transmission fixing device according to claim 16, wherein the base portion has a mountain-shaped structure. The double-shaft synchronous transmission fixing device according to claim 1 or 2 or 3 or 4, wherein the two oppositely-shaped concave chambers are formed by not forming the shaft portion of the coupling Type. The double-shaft synchronous transmission fixing device according to claim 1 or 2 or 3 or 4, wherein the two oppositely-shaped recessed portions form a full-circle-wrapped type of the shaft portion of the coupling state.