TWI526146B - Two-wheel linkage mechanism and a two-wheel linkage with the shaft device - Google Patents

Description

Two-wheel linkage mechanism and shaft device with two-wheel linkage mechanism

The present invention relates to a two-wheel linkage mechanism and a hinge device having a two-wheel linkage mechanism. The two-wheel linkage mechanism is particularly applied to a shaft device having a double spindle, and does not have to pass through the circumferential sides of the two-wheel linkage mechanism. The recessed portion is provided with a latching function, so that the screen is mounted in the electronic device, and the screen of the electronic device can also be reversely overlapped by the body (or the base) by more than 180 degrees or even 360 degrees.

Nowadays, the usage rate of touch screens is popular, and it is also used in general foldable and open electronic devices (for example, notebook computers), so that the screens or touch screens of such electronic devices (hereinafter referred to as screens) and the body can be used. For the structure in which the opposite direction is more than 180 degrees, and the shaft is in the aspect of the shaft, the inventors have previously mentioned a "flip type shaft" [shown in the new patent of Taiwan Patent Publication No. M361209], including a joint member, parallel a first mandrel and a second mandrel, the first gear and the second gear meshing with each other, and the first fixing member and the second fixing member; the first and second mandrel piercing the connecting member, the first and second gears Separatingly disposed on the first and second mandrels, the first and second fixing members are respectively fixed to the screen and the body of the electronic device, wherein when the screen is opened relative to the body, the rotating first mandrel drives the first gear and Simultaneously rotating the second gear, so that the body is driven to rotate relative to the screen via the second mandrel, so that the opposite direction can be reversed by more than 180 degrees and then stopped at any angle, so as to facilitate touch operation of the electronic device, or convenient holding .

However, the above-mentioned "flip-type rotating shaft" is formed by the double-gears that mesh with each other to form a precise synchronous interlocking effect, so that the quality requirements for the double-gear are relatively improved during manufacturing and assembly, but the first gear restricting hole is used to match the first The mandrel limits the shape of the shaft to be non-circular, so that the position and angle at which the restricting hole is made must be accurately aligned. If there is a deviation, it is difficult to mesh with the second gear during assembly and form a synchronous linkage. The effect is that a large amount of waste products are easily generated, and the double gears having different structural parts are also disadvantageous in the manufacturing, detecting and assembling processes, and thus the aforementioned disadvantages are the problems to be solved by the present invention.

In view of the above, in order to solve the above problems, an object of the present invention is to provide a two-wheel linkage mechanism that can be synchronously linked, and the double-rotor that is synchronously actuated to respectively press and loosen the pulley to continuously contact and clamp the motion state. The pulleys are passed through the double-rotor of the same structure to facilitate the use as a common part and are easy to replace. The utility model has the advantages of simple manufacture, easy detection and time-saving effect, and each of the runners has different long-distance and short-diameter contacts. Points that help with assembly identification to quickly install the alignment.

In order to solve the above problems, the second object of the present invention is to provide a two-wheel linkage mechanism capable of synchronously and accurately interlocking, by adding a frame and synchronously interlocking with the pulley, and protecting the wheels and preventing the pulley from loosening by the connection bracket, and It helps to keep the double-rotor continuously gripping the moving state during the turning, and also ensures that the pulley can be synchronized with the frame during rolling and sliding; and through the integral frame structure, through the partition in the frame It is used as an alternative pulley for continuous contact and clamping of the double-rotor, which helps to quickly assemble and reduce the assembly process. It is combined with the bracket to form protection and prevent the double runner from coming loose.

In order to solve the above problems, it is still another object of the present invention to provide a hinge device having a two-wheel linkage mechanism, in addition to having the functions and effects of the above-described two-wheel linkage mechanism, by merging the two-wheel linkage mechanism with each other The parallel double mandrel is used to increase the type of use, and with the friction torque device, the torque can be changed when the rotating shaft is linked to the rotating shaft.

The invention relates to a two-wheel linkage mechanism and a shaft assembly with a two-wheel linkage mechanism In order to achieve the above object, the two-wheel linkage mechanism of the present invention has three embodiments, which are first to third embodiments respectively. The hinge device with the two-wheel linkage mechanism of the present invention also has three embodiments, respectively The fourth to sixth embodiments, wherein the two-wheel linkage mechanism of the first embodiment comprises: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, the first turn The wheel has a first short diameter contact point and a first long diameter contact point; the second rotating wheel is axially and eccentrically provided with a second axial center portion for axially connecting to the connecting bracket and spaced apart from the first rotating wheel, the second rotation The wheel has a second short diameter contact point and a second long diameter contact point; and a pulley coupled to the connecting bracket and clamped by the first and second rotating wheels, the axis of the first rotating wheel to the axis of the second rotating wheel A fixed distance is formed between the cores, and the first rotating wheel or the second rotating wheel in the rotating state pushes the pulley and forms a linkage, and the second rotating wheel or the first rotating wheel in the rotating state loosens the pulley, and the pulley moves to the second rotating wheel or the first A runner slips to continuously contact the first and second runners.

Next, the two-wheel linkage mechanism according to the second embodiment of the present invention includes: a connection bracket, a first rotation wheel, a second rotation wheel, a pulley, and a frame; wherein the two-wheel linkage mechanism different from the above-described first embodiment is characterized in that a frame having a receiving portion for accommodating the pulley and the first and second rotating wheels, wherein the pulley shaft is coupled to the wall surface of the frame to form a synchronous linkage, wherein the first rotating wheel or the second rotating wheel in the rotating state drives the pulley and drives the frame Rotating, the pulley moves along the circumference side of the second reel or the circumference side of the first revolver and slides in synchronization with the linkage frame to continuously move into contact between the first and second reels.

Furthermore, the two-wheel linkage mechanism of the third embodiment of the present invention includes: a connection bracket, a first rotation wheel, a second rotation wheel, and a frame; wherein the two-wheel linkage mechanism different from the second embodiment described above is characterized by: The frame has a first accommodating portion and a second accommodating portion for accommodating the first rotating wheel and the second rotating wheel, respectively, and the partitioning portions are formed between the accommodating portions and are sandwiched by the first and second rotating wheels, and Forming a fixed distance between the axis of the first rotating wheel and the axis of the second rotating wheel, wherein the first rotating wheel or the second rotating wheel in the rotating state presses the spacing portion and drives the frame to rotate, and the spacing portion is along the second turn The wheel side or the first wheel side moves and synchronously moves the frame to slide to continuously move between the first and second wheels.

In addition, the rotating shaft device with the two-wheel linkage mechanism according to the fourth embodiment of the present invention includes: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, and the first rotating wheel Having a first short-diameter contact point and a first long-diameter contact point; the second revolving wheel is axially and eccentrically provided with a second axial center portion for axially connecting to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel Having a second short-path contact point and a second long-path contact point; the pulley is coupled to the connecting bracket and clamped by the first and second rotating wheels to the axis of the first rotating wheel to the axis of the second rotating wheel A fixed distance is formed between the cores, and the first rotating wheel or the second rotating wheel in the rotating state pushes the pulley and forms a linkage, and the second rotating wheel or the first rotating wheel in the rotating state loosens the pulley, and the pulley moves to the second rotating wheel or the first a runner slips to continuously contact the first and second runners; and a first mandrel and a second mandrel parallel to each other, respectively, are connected to the connecting bracket, and the first and second runners are respectively respectively Nested on the first and second mandrels.

A rotating shaft device having a two-wheel linkage mechanism according to a fifth embodiment of the present invention includes: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion for axially connecting to the connecting bracket, and the first rotating wheel Having a first short-diameter contact point and a first long-diameter contact point; the second revolving wheel is axially and eccentrically provided with a second axial center portion for axially connecting to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel Having a second short-path contact point and a second long-path contact point; the pulley is coupled to the connecting bracket and clamped by the first and second rotating wheels to the axis of the first rotating wheel to the axis of the second rotating wheel Forming a fixed distance between the cores; the frame has a receiving portion for accommodating the pulley and the first and second rotating wheels, and the pulley axle is axially coupled to the frame wall surface to form a synchronous linkage, wherein the first rotating wheel or the second rotating state in the rotating state The wheel presses the pulley and drives the frame to rotate, and the pulley moves along the circumference side of the second wheel or the circumference side of the first wheel and synchronously slides the frame to continuously move into contact between the first and second wheels; and parallel to each other The first mandrel and the second mandrel are respectively connected to the connecting bracket, and the first Two wheel sets are further disposed on the first and second mandrel.

A rotating shaft device having a two-wheel linkage mechanism according to a sixth embodiment of the present invention includes: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion for axially connecting to the connecting bracket, and the first rotating wheel Having a first short diameter contact point and a first long diameter contact point; the second rotating wheel is axially and eccentrically provided with a second axis The core portion is axially connected to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel has a second short diameter contact point and a second long diameter contact point; and the frame has a first receiving portion and a second receiving portion The first rotating wheel and the second rotating wheel are respectively accommodated, and the partitioning portions are formed between the accommodating portions to be sandwiched by the first and second rotating wheels, and the axis of the first rotating wheel is turned to the axis of the second rotating wheel. A fixed distance is formed between the cores, wherein the first rotating wheel or the second rotating wheel in the rotating state presses the spacing portion and drives the frame to rotate, and the spacing portion moves along the circumferential side of the second rotating wheel or the circumferential side of the first rotating wheel and synchronously interlocks The frame slides to continuously move into contact between the first and second reels; and the first mandrel and the second mandrel parallel to each other respectively pass through the connecting bracket, and the first and second reels are respectively sleeved Set on the first and second mandrels.

Accordingly, the two-wheel linkage mechanism of the present invention is designed by a combination of a connecting bracket, a first rotating wheel, a second rotating wheel and a pulley, wherein the first and second rotating wheels are all of the same structure, so that the manufacturing is simple and the detection is simple. Easy and time-saving, it can also be used as a shared part or easily replaced, and the difference between the long-diameter and short-diameter contact points of each runner can also be easily identified to help assemble the runners to the corresponding positions. The synchronously-operated double-rotor presses and loosens the pulleys with the curved contours of the respective half sides, so that the synchronously-linked pulleys continuously contact the double-rotating wheels to form a fixed distance between the axes of the double-rotating wheels, and the other half of the double-rotating wheels Contours can be made in different shapes to increase the range of application.

Moreover, by adding a frame and synchronously interlocking with the pulley, it is helpful to continuously hold the double-rotor in the moving state during the turning, so that it is not necessary to provide a recess on the circumferential side of each wheel to avoid the occurrence of the pulley lock. The feeling of pause, through the connection bracket and the frame to protect the wheels, to ensure that the pulley can be synchronized with the frame when rolling and sliding, to prevent the loosening situation; in addition, by providing a double in the frame The spacers held by the runner are implemented instead of the pulleys, and the integrally formed frame structure facilitates quick assembly and reduces the assembly process, and the brackets can be prevented from coming loose through the frame.

In addition, by combining the above-mentioned two-wheel linkage mechanism with the double spindles parallel to each other, the hinge device with the two-wheel linkage mechanism of the present invention is formed, in addition to the functions and effects of the above-described two-wheel linkage mechanism. In addition, the friction torque device can be used to change the torque when the rotating shaft rotates the wheel to increase the type of use.

〔this invention〕

10‧‧‧Connecting bracket

101‧‧‧First connecting piece

102‧‧‧Second connection piece

103‧‧‧3rd connection piece

11, 12‧‧ ‧ shaft joint

13‧‧‧Slip joint

20‧‧‧First runner

21‧‧‧First short-path contact point

22‧‧‧First long-path contact point

23‧‧‧Bump

24‧‧‧First Axis

30‧‧‧Second runner

31‧‧‧Second short-path contact points

32‧‧‧Second long path contact point

33‧‧‧Bump

34‧‧‧Second axis

40‧‧‧ pulley

41‧‧‧Axle

50a, 50b‧‧‧ framework

50c‧‧‧ kit

51‧‧‧ 容部

510‧‧‧Abutment

511‧‧‧ openings

512, 513‧‧ ‧ slip joints

514‧‧‧Axis joint

52‧‧‧First Housing Department

53‧‧‧Second accommodating department

521‧‧‧ first opening

531‧‧‧second opening

522, 532‧‧ ‧ slip joint

54‧‧‧Interval

60‧‧‧First mandrel

70‧‧‧Second mandrel

80‧‧‧ friction torque device

81‧‧‧ Friction runner

82‧‧‧ collar

83‧‧‧Shrap

84‧‧‧shims

85‧‧‧ nuts

D1, D2, D3‧‧‧ fixed distance

C1, C2, C3‧‧‧ center line

L1, L2, L3‧‧‧ total length

BC‧‧‧Base circle contour

FC‧‧‧Curve arc contour

PL1, PL2‧‧‧ virtual line

Fig. 1 is a view showing a first embodiment of the two-wheel linkage mechanism of the present invention.

[Fig. 2] is a schematic view of the first and second runners and the pulley separation connecting bracket of Fig. 1.

[Fig. 3a to Fig. 3e] The first and second reels of the first embodiment are operated with a pulley and the imaginary screen and the base are closed at 0 degrees, and the respective wheels are successively rotated to 10 degrees [the screen is opened relative to the base) It is a schematic diagram of 20 degrees, 60 degrees, 120 degrees, and 180 degrees [when the screen is turned 360 degrees with respect to the base].

FIG. 4 is an exploded perspective view showing the implementation of the kit of the two-wheel linkage mechanism of the first embodiment.

Fig. 5 is a view showing a second embodiment of the two-wheel linkage mechanism of the present invention.

[Fig. 6] is a schematic view showing the first and second reels and the pulley separation connecting bracket and the frame of the second embodiment.

[Fig. 7a to Fig. 7h] is the first and second reels of the second embodiment, which are operated with the pulley and the frame, and the imaginary screen and the base are closed at 0 degrees, and the imaginary screen [first reel] is opposite to the base [the first] The two reels are rotated to 45 degrees, 90 degrees, 180 degrees, 225 degrees, 270 degrees, 315 degrees, 360 degrees and drive the frame to rotate.

Fig. 8 is a view showing a third embodiment of the two-wheel linkage mechanism of the present invention.

[Fig. 9] is a schematic view showing the first and second revolving wheels of the third embodiment being respectively connected to the bracket by the brackets to separate the frames.

[Fig. 10a to Fig. 10h] is the first and second reels of the third embodiment, and the imaginary screen and the base are closed at 0 degrees, and the imaginary screen (first reel) is opposite to the base (second rotation). Wheel) A schematic diagram of the rotation to 45 degrees, 90 degrees, 180 degrees, 225 degrees, 270 degrees, 315 degrees, 360 degrees.

Fig. 11 is a perspective view of a rotary shaft device having a two-wheel linkage mechanism according to a fourth embodiment of the present invention.

FIG. 12 is a cross-sectional view of FIG. 11.

FIG. 13 is an exploded perspective view of FIG. 11.

Fig. 14 is an exploded perspective view showing a rotary shaft device having a two-wheel linkage mechanism according to a fifth embodiment of the present invention.

FIG. 15 is an exploded view of a partial constituent member of another view of FIG. 14. FIG.

Fig. 16 is a combination diagram of Fig. 15.

Fig. 17 is a cross-sectional view of Fig. 15.

Fig. 18 is a schematic view showing the arrangement of the connecting bracket of Fig. 17 without providing a sliding abutting portion.

19 is an exploded perspective view of the two-wheel linkage mechanism of FIG. 18.

Fig. 20 is a cross-sectional view showing a rotary shaft device having a two-wheel linkage mechanism according to a sixth embodiment of the present invention.

FIG. 21 is an exploded perspective view of the two-wheel linkage mechanism of FIG. 20.

As shown in FIG. 1 to FIG. 4, the two-wheel linkage mechanism according to the first embodiment of the present invention includes a connecting bracket (10), a first rotating wheel (20), a second rotating wheel (30), and a pulley (40); a rotating wheel (20) is axially and eccentrically provided with a first axial portion (24) for axial connection to the connecting bracket (10), the first rotating wheel (20) has a first short-diameter contact point (21) and a first a long diameter contact point (22); the second rotating wheel (30) is axially and eccentrically provided with a second axial center portion (34) for axially connecting to the connecting bracket (10) and spaced apart from the first rotating wheel (20), The second reel (30) has a second short diameter contact point (31) and a second long diameter contact point (32); the pulley (40) is axially coupled to the connection bracket (10) and is coupled by the first and second reels ( 20, 30) clamping to form a fixed distance (D1) between the axis of the first rotating wheel (20) and the axis of the second rotating wheel (30), the first rotating wheel (20) or the first state in the rotating state The two runners (30) push the pulleys (40) and form a linkage, and let the second runner (30) or the first runner (20) in the rotating state loosen the pulley (40), and the pulley (40) turns to the second turn. The wheel (30) or the first wheel (20) slides to continuously contact the first and second wheels (20, 30).

In the first embodiment, the connecting bracket (10) is provided with two shaft joints (11, 12) and a sliding connection portion (13) between the two shaft joint portions (11, 12), first, The second rotating wheel (20, 30) is respectively connected to the two-axis connecting portion (11, 12) of the bracket (10) by the first and second axial portions (24, 34), and the pulley (40) is movably coupled. The sliding connection portion (13) of the connecting bracket (10); the aforementioned shaft connecting portions (11, 12) can be shaft holes [refer to 2] or the pivot structure [refer to FIG. 4], the first and second axial portions (24, 34) are corresponding to the axially pivoted axle structure [see FIG. 4] or the shaft hole [see FIG. 2], The aforementioned slip connection portion (13) is an elongated hole in which the axle (41) of the pulley (40) is axially pivoted and can be linearly slidably moved [see Fig. 2].

As shown in FIG. 3a to FIG. 3e, the first and second short-diameter contact points (21, 31) are respectively located at the circumferential sides of the first and second reels (20, 30) at the base circle contour (BC). The first and second long-diameter contact points (22, 32) are located on the circumferential sides of the first and second reels (20, 30), respectively, rather than intersecting the circular arc contour (FC) of the base circle contour (BC) The radius lengths of the respective arc curve contours (FC) are gradually increased from the first and second short-diameter contact points (21, 31) to the first and second long-path contact points (22, 32), respectively. The radius of the arc profile (FC) is gradually increased by gradually increasing the center angle N degrees, and the value of N is in the range of 1 to 90 degrees, for example, if the first runner (20) is at the first short-path contact point (21) to the area between the first long-path contact points (22), dividing the aforementioned area into a plurality of equal parts by 10 degrees, starting from the first short-path contact point (21) by incrementing by 10 degrees each time Increasing the radius length of each circular arc profile (FC), thus grading to the first long diameter contact point (22), comparing the radius length of each circular arc profile (FC) from the axis to the first long diameter contact point (22) has the longest radius length The radius from the axis to the first short-diameter contact point (21) is the shortest, and the radius length at 10 degrees is greater than [longer than] the radius of the first short-diameter contact point (21), but less than [short than] For a radius of 20 degrees, the same can be inferred from the variation and size of the radius of the circular arc profile (FC) at other angles.

In the present invention, the short-diameter contact point and the long-diameter contact point of each of the reels may be opposite or non-opposing, but for the convenience of manufacture and assembly to form a preset initial state, the first short-diameter contact point (21) And the first long diameter contact point (22) are respectively located on the upper and lower opposite sides of the first reel (20), and the second short diameter contact point (31) and the second long diameter contact point (32) are respectively located at the The upper and lower opposite sides of the two runners (30) make the contours of the first and second runners (20, 30) a circular curved contour (FC) of left and right symmetry, thereby facilitating the first 1. The second revolver (20, 30) rotates synchronously.

The initial state refers to the first and second turns of the pulley (40) before the movement. In the form of wheels (20, 30), as shown in Fig. 3a, the pulley (40) may first contact the first short-diameter contact point (21) and the second long-path contact point (32), respectively, or the pulley (40). First contacting the first long diameter contact point (22) and the second short diameter contact point (31) respectively [refer to Fig. 3e], if the pulley (40) is selected to first contact the first short diameter contact point (21) and When the second long diameter contact point (32) is as shown in Figs. 3a to 3e, the first rotating wheel (20) is rotated in the forward direction (clockwise direction) and the second rotating wheel (30) is rotated in the reverse direction (inverse) In the hour hand direction, the first and second reels (20, 30) respectively pass through the gradual right half arc curve contour (FC), respectively, continuously increasing and decreasing the pressure dynamic path of the pulley (40), so that the rotation state is A rotating wheel (20) gradually presses the pulley (40) and the second rotating wheel (30) that rotates synchronously gradually loosens the pulley (40), and the pulley (40) is formed in the wheel shaft (41) by the sliding connection portion (13). The linear motion gradually slides in the direction of the second runner (30), so that the linked pulleys (40) are continuously moved by contacting the first short-path contact point (21) and the second long-path contact point (32), respectively. Contact to first long diameter contact point (22) and second short diameter contact point (31) On the contrary, it can be inferred from Fig. 3e to Fig. 3a that the first long diameter contact point (22) and the second short diameter contact point (31) are first contacted by the pulley (40), respectively. The runner (20) rotates in the opposite direction (counterclockwise direction) and the second runner (30) rotates in the forward direction (clockwise direction), and the first and second runners (20, 30) also pass through the original right half circle respectively. The curved arc profile (FC) continuously reduces and increases the pressure power path of the pulley (40), so that the second rotating wheel (30) in the rotating state gradually presses the pulley (40) and rotates the first rotating wheel (20). The pulley (40) is gradually loosened, and the pulley (40) is linearly moved by the sliding connection portion (13) of the pulley (41), and gradually slides toward the first rotating wheel (20), thereby allowing the linked pulley (40) continuously moving into contact with the first short-path contact point (21) and the second long-path contact point (32) by contacting the first long-path contact point (22) and the second short-path contact point (31), respectively.

As shown in FIG. 4, the two-wheel linkage mechanism of the first embodiment further includes a kit (50c), which may be a rigid loop sleeve or a low-elastic loop sleeve, which is sleeved on the first and second turns. The wheel (20, 30) clamps the [clamping] pulley (40) with a force to make the first wheel (20), the pulley (40) and the second wheel (30) rotate before and after, each wheel The total length of the wheel diameter (L1) of the same center line (C1) is unchanged [see Fig. 3a to Fig. 3e] to form a fixed total length.

The second embodiment of the present invention is as shown in FIG. 5, FIG. 6 and FIG. 7a to FIG. 7h, and the two-wheel linkage mechanism The utility model comprises a connecting bracket (10), a first rotating wheel (20), a second rotating wheel (30), a pulley (40) and a frame (50a); the first rotating wheel (20) is axially and eccentrically provided with a first axial center The portion (24) is pivotally connected to the connecting bracket (10), the first rotating wheel (20) has a first short diameter contact point (21) and a first long diameter contact point (22); the second rotating wheel (30) shaft A second axial portion (34) is eccentrically disposed to be axially coupled to the connecting bracket (10) and spaced apart from the first rotating wheel (20), and the second rotating wheel (30) has a second short-diameter contact point (31) And a second long diameter contact point (32); the pulley (40) is axially coupled to the connecting bracket (10) and clamped by the first and second rotating wheels (20, 30) for the first rotating wheel (20) The axial center forms a fixed distance (D2) between the axes of the second rotating wheel (30); the frame (50a) has a receiving portion (51) for accommodating the pulley (40) and the first and second rotating wheels (20) 30), the pulley (40) axle (41) is axially connected to the wall of the frame (50a) to form a synchronous linkage, wherein the first rotating wheel (20) or the second rotating wheel (30) in the rotating state compresses the pulley (40) And driving the frame (50a) to rotate, the pulley (40) moves along the circumferential side of the second rotating wheel (30) or the circumferential side of the first rotating wheel (20) and synchronously slides the interlocking frame (50a) for continuous operation. Contact between the first and second reel (20, 30).

The difference between the second embodiment and the first embodiment described above is that a frame (50a) having a receiving portion (51a) having a rectangular or elliptical shape and a frame as shown in FIG. 5 is added. (50a) is provided with an abutting portion (510), and the first and second rotating wheels (20, 30) respectively contact the abutting portions (510) so that the total length of the wheels of the same center line (C2) ( L2) forming a fixed total length, and each abutting portion (510) may be integrally connected to each other, as shown in FIG. 6, forming an annular structure corresponding to the contour of the frame (50a) to increase structural strength; and another in the frame (50a) The axial side is provided with an opening (511) communicating with the receiving portion (51). The opening (511) has an opening provided in the axial direction as shown in FIG. 6, and may also be opened in the axial direction as shown in FIG. Radially extending to opposite sides of the frame (50a), respectively, and at the junction of the abutting portions (510), and the axial side of the frame (50a) abuts the connecting bracket (10) to cover the receiving portion An opening (511) of (51), thereby protecting the first and second reels (20, 30) and the pulley (40) in the frame (50a) to reduce the entry of foreign matter and hinder the operation of each wheel, and also prevent each The wheel is loose.

Therefore, as shown in Fig. 7a, the pulleys (40) located in the frame (50a) respectively contact the first proximal contact point (21) and the second revolver (30) of the first reel (20) before each wheel is actuated. The second longest path The contact (32), the opposite inner wall surfaces on the circumferential side of the frame (50a) [the upper and lower inner wall surfaces, that is, the respective abutting portions (510)] respectively contact the first distal contact point of the first reel (20) (22) and the second proximal contact point (31) of the second reel (30), as shown in Figs. 7b to 7g, the first revolver (20) in the rotating state is a curved contour of the right half (FC) continuously pressing the pulley (40), the pulley (40) is curved along the right half of the circumference of the second reel (30), and progressively synchronizes the interlocking frame (50a) to the second revolver The axial direction of (30) is slipped, and the first rotating wheel (20) is gradually rotated to gradually rotate the frame (50a) with the second rotating wheel (30) as an axis; and in FIGS. 7a to 7h, The virtual lines (PL1, PL2) of the first and second reels (20, 30) may be assumed to be the base and screen of the flip-type electronic device, but in the previous FIGS. 3a to 3e and subsequent FIGS. 10a to 10h Virtual lines (PL1, PL2) can also be assumed to be bases and screens.

During the rotation of the first reel (20), the linked pulleys (40) are continuously moved into contact with the first long-diameter contact point by contacting the first short-diameter contact point (21) and the second long-diameter contact point (32), respectively ( 22) and the second short-diameter contact point (31), the synchronously interlocking frame (50a) opposite the inner wall surface [each abutting portion (510)] is respectively contacted by the first long-diameter contact point (22) and the second short a radial contact point (31), a continuous motion contact to the first short diameter contact point (21) and a second long diameter contact point (32), and as shown in Figure 7h, the first revolver (20) forms a 360 degree rotation and The frame (50a) forms a 180-degree rotation so that the two-wheel linkage mechanism is integrally formed in an inverted state, and during the aforementioned rotation, since the left and right circular curved contours of the first and second rotating wheels (20, 30) respectively take over the first long a radial contact point (22) and a second short-diameter contact point (31) for progressively continuing to contact the upper and lower opposing inner wall surfaces (each abutting portion (510)) on the circumferential side of the frame (50a), respectively, so that each wheel The total length of the wheel diameter (L2) on the same center line (C2) is the same as the distance between the upper and lower abutting portions (510) of the frame (50a), and the total length is maintained.

Conversely, as shown by the same reasoning from Fig. 7h to Fig. 7a, the linked pulleys (40) are continuously moved into contact with the first long diameter contact point (22) and the second short diameter contact point (31), respectively. The short-diameter contact point (21) and the second long-path contact point (32), the opposite side inner wall surfaces of the synchronously linked frame (50a) [each abutting portion (510)] are respectively contacted by the second long-diameter contact point (32) And the first short-diameter contact point (21), the continuous motion contact to the second short-path contact point (31) and the first long-diameter contact point (22), and also the wheel diameter of each wheel on the same center line (C2) The total length (L2) is still affected by the abutment (510) of the frame (50a) to form a fixed total length.

According to a third embodiment of the present invention, as shown in FIG. 8, FIG. 9, and FIG. 10a to FIG. 10h, the two-wheel linkage mechanism includes a connecting bracket (10), a first rotating wheel (20), a second rotating wheel (30), and a frame (50b). The first rotating wheel (20) is axially and eccentrically provided with a first axial portion (24) for axial connection to the connecting bracket (10), and the first rotating wheel (20) has a first short-diameter contact point (21) And a first long diameter contact point (22); the second rotating wheel (30) is axially and eccentrically provided with a second axial portion (34) for axial connection to the connecting bracket (10) and with the first rotating wheel (20) Interposed, the second reel (30) has a second short diameter contact point (31) and a second long diameter contact point (32); the frame (50b) has a first receiving portion (52) and a second receiving portion (53) accommodating the first reel (20) and the second reel (30), respectively, and forming a spacer (54) between each of the accommodating portions (52, 53) by the first and second reels (20) And 30) clamping and forming a fixed distance (D3) between the axis of the first rotating wheel (20) and the axis of the second rotating wheel (30), wherein the first rotating wheel (20) in the rotating state or The second reel (30) presses the spacer (54) and drives the frame (50b) to rotate, and the synchronously spaced spacers (54) are along the circumference of the second reel (30) or the circumference of the first reel (20). side Continued movement of the contact and move between the first, second reel (20, 30).

Further, in order to reduce the number of constituent members to increase the convenience of manufacture and assembly, the third embodiment differs from the second embodiment described above in that the arrangement of the pulleys (40) is reduced, and the frame is as shown in FIGS. 8 and 9. 50b) and its spacing portion (54) is designed as an integrally formed structure, and an abutting portion (510) is provided around the frame (50b), and the first and second rotating wheels (20, 30) respectively contact the respective abutting portions (510) such that the first wheel (20), the spacer (54) and the second wheel (30) form a fixed total length of the wheel diameter (L3) of the same center line (C3); another frame (50b) One axial side is respectively provided with a first opening (521) and a second opening (531) that respectively communicate with the first receiving portion (52) and the second receiving portion (53), and the frame (50b) The axial side abuts the connecting bracket (10) to cover the first and second openings (521, 531), thereby protecting the first and second rotating wheels (20, 30) in the frame (50a) to reduce foreign matter entering. It hinders the operation of each runner and prevents the runners from coming loose.

Furthermore, since the frame (50b) of the third embodiment is implemented by replacing the pulley (40) of the second embodiment with the spacer (54), the first wheel in the rotated state is shown in FIGS. 10b to 10h ( 20) is the right half The arcuate curved contour (FC) continuously presses the spacer (54), and the spacer (54) moves along the right-hand circular curved contour (FC) on the circumferential side of the second runner (30), and progressively synchronizes the linkage The frame (50b) slides toward the axial direction of the second rotating wheel (30), and the first rotating wheel (20) also gradually rotates the frame (50b) to gradually rotate with the second rotating wheel (30) as an axis. Therefore, the interlocking partitions (54) are continuously moved into contact with the first long diameter contact point (22) and the second long diameter contact point (22) to the first long diameter contact point (22) and the second short diameter contact point, respectively. (31), the synchronously interlocking frame (50b) is opposite to the inner wall surfaces [upper and lower inner wall surfaces, that is, the respective abutting portions (510)] respectively by contacting the first long diameter contact point (22) and the second short diameter Contact point (31), continuous motion contact to first short diameter contact point (21) and second long diameter contact point (32); during the same period, left half circle of first and second revolving wheels (20, 30) The curved arc profile (FC) progressively continues to contact the upper and lower opposing inner wall faces (each abutting portion (510)) on the circumferential side of the frame (50b), respectively, so that the first and second runners (20, 30) and the interval The total length (L3) of the section (54) on the same centerline (C3) is still Holding a fixed total length; conversely, as shown by the same reasoning from Fig. 10h to Fig. 10a, the interlocking spacers (54) are continued by contacting the first long diameter contact point (22) and the second short diameter contact point (31), respectively. Moving contact to the first short-diameter contact point (21) and the second long-path contact point (32), and the opposite side inner wall surfaces of the synchronously linked frame (50b) are respectively contacted by the second long-diameter contact point (32) and the first The short diameter contact point (21), the continuous motion contact to the second short diameter contact point (31) and the first long diameter contact point (22).

In addition, the two-wheel linkage mechanism of the first to third embodiments of the present invention can also be applied to a shaft device to form a shaft device having a two-wheel linkage mechanism according to the fourth to sixth embodiments of the present invention, as shown in FIG. 11 to FIG. The hinge device of the fourth embodiment shown in Fig. 13 is a two-wheel linkage mechanism using the above-described first embodiment, comprising a connecting bracket (10), a first rotating wheel (20), a second rotating wheel (30), and a pulley (40). a first mandrel (60) and a second mandrel (70) that are parallel to each other; and the hinge device of the fifth embodiment shown in FIGS. 14 to 19 is a two-wheel linkage mechanism using the second embodiment described above. A connecting bracket (10), a first rotating wheel (20), a second rotating wheel (30), a pulley (40), a frame (50), a first spindle (60) parallel to each other, and a second spindle (70) The rotating shaft device of the sixth embodiment shown in FIG. 20 and FIG. 21 is a two-wheel linkage mechanism using the third embodiment, and includes a connecting bracket (10), a first rotating wheel (20), and a second rotating wheel. (30), frame (50), parallel to each other A first mandrel (60) and a second mandrel (70).

In the fourth to sixth embodiments of the hinge device of the present invention, the features disclosed in the first to third embodiments will not be described again, and the newly added features are the first mandrel (60) and the second mandrel. (70), the connecting bracket (10) is respectively disposed, and the first and second rotating wheels (20, 30) are respectively sleeved on the first and second spindles (60, 70), respectively, by corresponding to each other The first and second axial portions (24, 34) and the first and second spindles (60, 70) are designed to have a non-circular shape so as to be easily clamped after being sleeved to facilitate the rotation. The plates of the double mandrel [see FIG. 14] are respectively fixed to the screen and the base of the electronic device.

In the embodiment of the hinge device of the present invention, the connecting bracket (10) further comprises a first connecting piece (101) and a second connecting piece (102), and even a third connecting piece (103), the first and second rotating The wheel (20, 30) and the pulley (40) are respectively located between the first and second connecting pieces (101, 102), and the first, second and third connecting pieces (101, 102, 103) are provided with two axes. The connecting portion (11, 12) and the sliding connecting portion (13) are selectively disposed on the first connecting piece (101), the second connecting piece (102) or both of the first connecting piece and the second connecting piece (101, 102), when one end of the pulley axle (41) is axially connected to the sliding connection portion (13) of the first connecting piece (101), the opposite end of the pulley axle (41) can be axially connected as shown in FIG. The wall of the frame (50a), or the sliding connection portion (13) which is further coupled to the second connecting piece (102) as shown in Fig. 17, increases the convenience of use.

In the second, third, fifth, and sixth embodiments described above, in order to smooth the frame (50a, 50b) and reduce interference with the first and second axial portions (24, 34), the frame (50a) And 50b) the wall surface is provided with two sliding connecting portions (512, 513, 522, 532), and the treads of the first and second rotating wheels (20, 30) respectively extend axially out of the protruding columns (23, 33) a movable shaft is respectively connected to each of the sliding connection portions (512, 513, 522, 532), and each of the axial protrusions (23, 33) is coaxially disposed with the first and second axial portions (24, 34), respectively. The column diameter is large, and each of the sliding connecting portions (512, 513, 522, 532) is a long hole corresponding to each axial column (23, 33) for axial pivotal connection and capable of radial linear sliding movement. [Refer to Fig. 6, Fig. 9, Fig. 19, Fig. 21]; if implemented with the above openings (511, 521, 531), two slip joints (512, 513, 522, 532) are provided in the frame (50a, 50b). Relative axial side wall faces to facilitate separate The first and second axial portions (24, 34) and the two-axis joints (11, 12) of the connecting bracket (10) are used for shafting or movable shafting.

In addition, in the second and fifth embodiments, the wall surface of the frame (50a) between the respective sliding connecting portions (512, 513) is further provided with a shaft connecting portion (514), and the shaft connecting portion (514) is axially connected to the pulley ( 40) The axle (41) corresponds to the sliding connection portion (13) of the connecting bracket (10), so that the pulley (40) axle (41) is respectively movably connected to the sliding connection as shown in Figs. The portion (13) and the shaft are connected to the corresponding shaft portion (514), but are not limited thereto, and the pulley (40) axle (41) can also be axially connected to the corresponding shaft portion (514) as shown in FIG. The pulley (40) can also be caused to slide relative to the first and second reels (20, 30) and the connecting bracket (10) by interlocking the frame (50a).

Furthermore, in the above second to sixth embodiments, it is also possible to selectively have the same features as the above-described first embodiment in that the first and second short-diameter contact points (21, 31) are respectively located at the first, The circumferential sides of the second reels (20, 30) intersect at the base circle contour (BC) [each revolver is concentric with its base circle contour], and the first and second long diameter contact points (22, 32) Located on the circumferential side of the first and second reels (20, 30) instead of intersecting the circular arc profile (FC) of the base circle contour (BC), the radius lengths of the respective arc contours (FC) are respectively The first and second short-diameter contact points (21, 31) are gradually increased to the first and second long-diameter contact points (22, 32); the radius of each circular arc profile (FC) is gradually increased by the angle of the center of the circle N degrees gradually increase, the N value is in the range of 1 to 90 degrees; the first short diameter contact point (21) and the first long diameter contact point (22) are respectively located above and below the first revolving wheel (20) On the opposite sides, the second short-path contact point (31) and the second long-path contact point (32) are respectively located on the upper and lower opposite sides of the second reel (30), so that the first and second reels (20) , 30) the outline is left and right symmetrical Rounding the curve profile (FC).

The rotating shaft device of the fourth to sixth embodiments may further include at least one friction torque device (80) adjacent to the third connecting piece (103) of the connecting bracket (10) and sleeved to the first spindle (60) The second mandrel (70) is respectively sleeved on the first and second mandrels (60, 70) to interlock the first mandrel (60) or the second mandrel (70) in the rotating state. Torque change occurs when the runner (20) or the second runner (30), or the first and second spindles (60, 70) are synchronously rotated to synchronously interlock the first and second runners (20, 30) Generated Torque change; the constituent members of the aforementioned friction torque device (80) include a friction runner (81) [the contact surface with the third connecting piece (103) is provided with corresponding concave portions and convex portions], and the collar (82) ) [located in the ring groove on the back of the friction wheel (81) and located in the periphery of the shaft hole of the friction wheel, corresponding to the concave portion of the adjacent disc-shaped elastic piece (83), with anti-anomalous effect], most shrapnel (83), pad The piece (84) [the spacer (84) between the second and third connecting pieces (102, 103) is a friction plate] and the nut (85), which are respectively combined by a conventional structure, and are not More details.

The present invention has been disclosed in order to achieve the above objects, but it is not intended to limit the structural features of the present invention. It should be understood by those of ordinary skill in the art that, in the technical spirit of the present invention, Variations or modifications are possible and are covered by the scope of the patent application of the present invention.

10‧‧‧Connecting bracket

20‧‧‧First runner

21‧‧‧First short-path contact point

22‧‧‧First long-path contact point

24‧‧‧First Axis

30‧‧‧Second runner

31‧‧‧Second short-path contact points

32‧‧‧Second long path contact point

34‧‧‧Second axis

40‧‧‧ pulley

41‧‧‧Axle

D1‧‧‧fixed distance

Claims (20)

A two-wheel linkage mechanism includes: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, and the first rotating wheel has a first short-diameter contact point and a first long diameter a second rotating wheel, axially and eccentrically provided with a second axial portion for axially connecting to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel having a second short-diameter contact point and a second long diameter a contact point; and a pulley connected to the connecting bracket and clamped by the first and second rotating wheels, the shaft center of the first rotating wheel is formed at a fixed distance from the axis of the second rotating wheel, and the first rotating wheel in the rotating state Or the second rotating wheel pushes the pulley and forms a linkage, and the second rotating wheel or the first rotating wheel in the rotating state loosens the pulley, and the pulley slides to the second rotating wheel or the first rotating wheel to continuously contact the first, Between the second runners. The two-wheel linkage mechanism according to claim 1, wherein the pulley is continuously moved to contact the first long diameter contact point and the second short diameter contact point by contacting the first short diameter contact point and the second long diameter contact point, respectively. Or for the pulley to be continuously moved into contact with the first short diameter contact point and the second long diameter contact point by contacting the first long diameter contact point and the second short diameter contact point, respectively. The two-wheel linkage mechanism according to claim 1, further comprising a sleeve sleeved on the first and second runners for clamping the pulley, so that the first runner, the pulley and the second runner are The total length of the wheel diameter of the same center line is fixed. A two-wheel linkage mechanism includes: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, and the first rotating wheel has a first short-diameter contact point and a first long diameter a second rotating wheel, axially and eccentrically provided with a second axial portion for axially connecting to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel having a second short-diameter contact point and a second long diameter Contact point; a pulley connected to the connecting bracket and clamped by the first and second rotating wheels, the axis of the first rotating wheel forming a fixed distance from the axis of the second rotating wheel; and a frame having a receiving portion for accommodating the pulley And the first and second rotating wheels, the pulley shaft is connected to the frame wall surface to form a synchronous linkage, wherein the rotating first wheel or the second rotating wheel drives the pulley to rotate the frame, and the pulley is along the circumference of the second rotating wheel Or the first runner moves sideways and synchronously moves the frame to slide to continuously move between the first and second runners. The two-wheel linkage mechanism according to claim 4, wherein an abutting portion is provided around the frame, and the first and second rotating wheels respectively contact the abutting portions to make the wheel diameter of each wheel on the same center line The fixing is formed; an opening that communicates with the receiving portion is provided on one axial side of the frame, and the axial side of the frame abuts the connecting bracket. The two-wheel linkage mechanism according to claim 4, wherein the pulley is continuously moved to contact the first long diameter contact point and the second short diameter contact point by contacting the first short diameter contact point and the second long diameter contact point, respectively. The inner wall surfaces of the opposite sides of the synchronously linked frame are respectively contacted by the first long diameter contact point and the second short diameter contact point, and continuously moved into contact with the first short diameter contact point and the second long diameter contact point; or Contacting the first long diameter contact point and the second short diameter contact point to continuously move to contact the first short diameter contact point and the second long diameter contact point, and the opposite side inner wall surfaces of the synchronously linked frames are respectively contacted by the second long diameter contact point And the first short diameter contact point, the continuous motion contact to the second short diameter contact point and the first long diameter contact point. A two-wheel linkage mechanism includes: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, and the first rotating wheel has a first short-diameter contact point and a first long diameter a second rotating wheel, axially and eccentrically provided with a second axial portion for axially connecting to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel having a second short-diameter contact point and a second long diameter a contact point; and a frame having a first receiving portion and a second receiving portion for respectively receiving the first rotating wheel and the second rotating wheel, respectively Forming a space between the accommodating portions and being sandwiched by the first and second rotating wheels, and forming a fixed distance between the axis of the first rotating wheel and the axis of the second rotating wheel, wherein the first rotating wheel in the rotating state Or the second rotating wheel presses the spacing portion and drives the frame to rotate, and the spacing portion moves along the circumferential side of the second rotating wheel or the circumferential side of the first rotating wheel and synchronously slides the interlocking frame to continuously contact the first and second rotating Between the rounds. The two-wheel linkage mechanism according to claim 7, wherein the periphery of the frame is provided with an abutting portion, and the first and second rotating wheels respectively contact the abutting portions to make the first rotating wheel, the spacing portion and the second portion. The total length of the wheel diameter of the runner on the same center line is fixed; and the first opening and the second opening respectively communicating the first accommodating portion and the second accommodating portion are provided on one axial side of the frame, and the axis of the frame is Attach the bracket to the side. The two-wheel linkage mechanism according to claim 7, wherein the spacer portion is continuously moved into contact with the first long diameter contact point and the second long diameter contact point by contacting the first short diameter contact point and the second long diameter contact point, respectively. a point, the inner wall surfaces of the opposite sides of the synchronously linked frame are respectively contacted by the first long diameter contact point and the second short diameter contact point, and continuously moved to the first short diameter contact point and the second long diameter contact point; or the spacing portion The first short diameter contact point and the second short diameter contact point are continuously contacted to the first short diameter contact point and the second long diameter contact point, and the opposite side inner wall surfaces of the synchronously linked frames are respectively contacted by the second long diameter The contact point and the first short diameter contact point, the continuous motion contact to the second short diameter contact point and the first long diameter contact point. The two-wheel linkage mechanism according to claim 1, wherein the first and second short-diameter contact points are respectively located on the circumference of the first and second runners and intersect with the contour of the base circle. Wherein, the first and second long-diameter contact points are respectively located on the circumferences of the first and second runners, and not at the contour of the arc curve intersecting the contour of the base circle line, and the radius lengths of the contours of the respective arc curves are respectively The second short-path contact point is gradually increased to the first and second long-path contact points. The two-wheel linkage mechanism according to the first, fourth or seventh aspect of the patent application, wherein the first short-diameter contact point and the first long-diameter contact point are respectively located on the upper and lower sides of the first reel On both sides, the second short-path contact point and the second long-path contact point are respectively located on the upper and lower opposite sides of the second rotating wheel, so that the contours of the first and second rotating wheels are left and right symmetrical circular Curve outline. The two-wheel linkage mechanism according to Item 4 or Item 7 of the patent application, wherein the frame wall surface is provided with two sliding connection portions, and the wheel surfaces of the first and second rotating wheels respectively extend out of the axial protrusion column. The movable shafts are respectively connected to the respective sliding connecting portions, and the axial protruding columns are respectively disposed coaxially with the first and second axial portions, and the column diameter is large, and the frame wall surface between the sliding connecting portions is further provided with the shaft The connecting portion is axially connected to the axle of the pulley. A rotating shaft device having a two-wheel linkage mechanism, comprising: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, and the first rotating wheel has a first short-diameter contact point and a first long-diameter contact point; the second rotating wheel is axially and eccentrically provided with a second axial center portion to be axially connected to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel has a second short-diameter contact point and a second long-diameter contact point; the pulley is axially connected to the connecting bracket and clamped by the first and second rotating wheels to form a fixed distance between the axis of the first rotating wheel and the axis of the second rotating wheel, and the rotating state The first rotating wheel or the second rotating wheel pushes the pulley and forms a linkage, and the second rotating wheel or the first rotating wheel in the rotating state loosens the pulley, and the pulley slides to the second rotating wheel or the first rotating wheel to continuously interlock Contacting between the first and second rotating wheels; and the first mandrel and the second mandrel parallel to each other, respectively, the connecting bracket is disposed, and the first and second rotating wheels are respectively sleeved on the first and second Mandrel. The rotating shaft device with a two-wheel linkage mechanism according to claim 13 further comprising a kit sleeved on the first and second rotating wheels to force the clamping pulley to make the first rotating wheel, the pulley and the first The total length of the wheel diameter of the two runners on the same center line is fixed. A shaft device with a two-wheel linkage mechanism, comprising: a connecting bracket; The first rotating wheel is axially and eccentrically provided with a first axial portion for axially connecting to the connecting bracket, the first rotating wheel has a first short diameter contact point and a first long diameter contact point; and the second rotating wheel is axially and The second core portion is eccentrically disposed to be axially connected to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel has a second short diameter contact point and a second long diameter contact point; the pulley is axially connected to the connecting bracket and Clamped by the first and second rotating wheels to form a fixed distance between the axis of the first rotating wheel and the axis of the second rotating wheel; the frame has a receiving portion for accommodating the pulley and the first and second rotating a wheel, the pulley axle is coupled to the frame wall surface to form a synchronous linkage, wherein the first wheel or the second wheel in the rotating state presses the pulley and drives the frame to rotate, and the pulley is along the circumference of the second wheel or the circumference of the first wheel Side movement and synchronous linkage frame sliding for continuous movement contact between the first and second reels; and first and second mandrels parallel to each other, respectively, through the connection bracket, and the first and second The runners are also sleeved on the first and second spindles, respectively. The shaft device with a two-wheel linkage mechanism according to claim 15, wherein an abutting portion is provided around the frame, and the first and second rotating wheels respectively contact the abutting portions so that the wheels are on the same center line. The total length of the wheel diameter is fixed; an opening that communicates with the receiving portion is provided on one axial side of the frame, and the axial side of the frame abuts the connecting bracket. A rotating shaft device having a two-wheel linkage mechanism, comprising: a connecting bracket; the first rotating wheel is axially and eccentrically provided with a first axial center portion to be axially connected to the connecting bracket, and the first rotating wheel has a first short-diameter contact point and a first long-diameter contact point; the second rotating wheel is axially and eccentrically provided with a second axial center portion to be axially connected to the connecting bracket and spaced apart from the first rotating wheel, the second rotating wheel has a second short-diameter contact point and a second long-diameter contact point; the frame has a first accommodating portion and a second accommodating portion for accommodating the first rotating wheel and the second rotating wheel, respectively, and forming a space between the accommodating portions by the first and second The wheel is clamped and the axis of the first wheel is turned to the second turn Forming a fixed distance between the axes of the wheels, wherein the first rotating wheel or the second rotating wheel in the rotating state presses the spacing portion and drives the frame to rotate, and the spacing portion moves along the circumference side of the second rotating wheel or the circumference side of the first rotating wheel And synchronously moving the frame to slide to continuously move into contact between the first and second rotating wheels; and the first mandrel and the second mandrel parallel to each other, respectively, the connecting bracket is disposed, and the first and second rotating wheels are respectively They are also sleeved on the first and second mandrels, respectively. The shaft device with a two-wheel linkage mechanism according to claim 17, wherein an abutting portion is provided around the frame, and the first and second rotating wheels respectively contact the abutting portions to make the first rotating wheel and the interval The first wheel and the second wheel are fixed on the same center line; the first opening and the second opening respectively connecting the first receiving portion and the second receiving portion are provided on one axial side of the frame, and The axial side of the frame abuts the connecting bracket. The shaft device with a two-wheel linkage mechanism according to claim 15 or 17, wherein the frame wall surface is provided with two sliding connection portions, and the wheel surfaces of the first and second runners respectively extend out of the shaft The protruding columns are respectively movably connected to the respective sliding connecting portions, and the axial protruding columns are respectively disposed coaxially with the first and second axial portions, and the column diameter is large, and the frame wall surface between the sliding connecting portions is A shaft joint is also provided, and the shaft joint is axially coupled to the axle of the pulley. The shaft device with a two-wheel linkage mechanism according to claim 13, wherein the first short diameter contact point and the first long diameter contact point are respectively located on the first rotating wheel, On the lower opposite sides, the second short-path contact point and the second long-path contact point are respectively located on the upper and lower opposite sides of the second reel, and the contours of the first and second reels are left and right symmetrical circles. The arc profile is curved, and the radius lengths of the arc curves are gradually increased from the first and second short-path contacts to the first and second long-path contacts, respectively.