TWM551291U - Hinge with two pivot in link - Google Patents

Description

Two-axis interlocking hinge

The present invention relates to a hinge, and more particularly to a dual-axis linkage type hinge, which is suitable for an electronic device having a split positioning function.

According to a general clamshell electronic device, such as a notebook computer or a mobile phone, a hinge is provided, which can open or close the screen relative to the body. The conventional hinge structure is mostly single-axis type, and generally includes a pivoting seat fixed to the screen of the electronic device. The pivoting seat is provided with a shaft hole for a mandrel, and the spindle is fixed by a fixing seat. a body of an electronic device; the screen of the electronic device is opened or closed relative to the body by the pivoting of the pivoting seat relative to the spindle. Although the single-axis hub itself can perform 360-degree rotation, it is limited by the screen and the housing design of the body, so that the screen and the body interfere with each other when they are opened to 180 degrees.

In order to provide the screen or the convenience of the operation of the body, the related art has developed a two-axis hinge, which is respectively sleeved on two spindles by two mutually meshing gears, the two spindles The screen is respectively fixed to the electronic device and the body, so that the screen and the body can be opened without being interfered by the two gears by more than 180 degrees, so as to facilitate touch operation or convenient holding. . Although the two-axis hinge has the effect of halving the angular travel of the screen or the body, it can form a double rotation angle to achieve time-saving and convenient operation.

However, due to various factors, such as manufacturing tolerances of the gears and tolerances between the plurality of gears and the plurality of gear rotating shafts, the aforementioned gears of the two-axis type hinge have a gap between them, thereby causing a kickback phenomenon (back Lash phenomenon).

When the external force impact or vibration is applied to the clamshell electronic device, the screen may move in the rotational direction or form a wobbling movement (hereinafter referred to as shaking) due to the recoil phenomenon. Therefore, when the user uses the clamshell electronic device and views the moving screen, the user's eyes are prone to fatigue.

Based on the aforementioned troubles, the related art has developed the biaxial hinge which can overcome the backlash phenomenon, for example, as shown in the patent application No. TW 201348932 (corresponding to the Chinese Patent Publication No. CN 103453007 A) A pivoting device for connecting a first member and a second member to each other to allow the first member and the second member to be mutually folded, the hinge device including a first gear disposed on the first member a second gear disposed on the second member and interlocking with the first gear; and a pressing member for reinforcing a meshing force between the first gear and the second gear. Wherein the pressing member is made of an elastic material and has opposite ends, and the pair of ends slidably connects a first driving shaft of the first gear and a second driving shaft of the second gear.

In another embodiment of the present invention, the method includes a first idler gear that meshes with the first gear tooth, and a second idler gear that meshes with the second gear tooth; and the pressing member has opposite ends, The pair of ends respectively slidably connect the first rotating shaft connected by the first idler and the second rotating shaft connected by the second idler. That is, the pressing member directly presses the first rotating shaft and the second rotating shaft, and indirectly applies pressure to the first idler and the second idler, but does not directly or indirectly apply pressure to the first a gear and the second gear, such that the gap between the first gear and the first idler gear and the second gear and the second idler still occurs, and the backlash phenomenon and the formed idle and sway are caused The situation is urgent and needs improvement.

The main purpose of the present invention is to provide a two-axis linkage type pivoting device, which directly couples a pressing member to a first gear, a first idler pulley, a second idler pulley and a second idler hub. The second gear, when the gears and the idler are rotated synchronously, the radial pressure is applied to the gears and the idler by the pressing member to reduce the gap generation of the gears and the idler and the gap The occurrence of idling and shaking, thereby increasing the stability during operation.

In order to achieve the foregoing objectives, the technical means adopted in the present invention is to provide a two-axis interlocking hinge, comprising a first mandrel having a first axial shaft having a non-circular cross section in the axial direction, the first a shaft is disposed with a first connecting piece, a first gear and a second connecting piece that are interlocked with the first shaft; and a second mandrel having a non-circular cross section in the axial direction a second shaft, the second shaft penetrating the first connecting piece, a second gear and the second connecting piece interlocked with the second shaft, the first shaft and the first shaft The second shaft is respectively coupled with one end seal on the outer side of the second connecting piece; wherein the first connecting piece and the second connecting piece are pivotally connected to a first idler gear that meshes with the first gear, And a second idler gear meshing with the second gear, the first idler gear meshing with the second idler gear to form a linkage, and the radial direction of the gear and the idler gear are respectively recessed a set of slots; and a continuous S-shaped radial pressure elastic member corresponding to each of the gear wheel and the idler wheel A buckle button is formed into each groove of the socket so as to increase the engagement force between the gear and the idler gear and each of the idler.

As shown in FIG. 1 and FIG. 6 , basically, the dual-axis interlocking hinge of the present case comprises a first mandrel 1 and a second mandrel 2 .

One end of the first mandrel 1 is axially extended with a first shaft 11 having a non-circular cross section, and the other end has a first connecting portion 12, and the first connecting portion 12 defines a plurality of fixing holes 121. Conventional connectors, such as screws, pass through the mounting holes 121 and are secured to an electronic device, such as a screen of a notebook computer (known, not shown). The first shaft 11 is provided with a first front end hole 31 of the first connecting piece 3, a first gear 13 interlocked with the first shaft 11, and a first rear end hole 41 of a second connecting piece 4. And the first shaft 11 is coupled to the one end seal 5 on the outer side of the second connecting piece 4.

One end of the second mandrel 2 extends axially to a second shaft 21 having a non-circular cross section, and the other end is radially fixed to a second connecting portion 22, and the second connecting portion 22 defines a plurality of fixing holes. 221, in order to provide a conventional connector, such as a screw, through the fixing holes 221, and locked to the electronic device, such as a body of a notebook computer (known, not shown). The second shaft 21 passes through the second front end hole 32 of the first connecting piece 3, a second gear 23 interlocked with the second shaft 21, and a second rear end hole 42 of the second connecting piece 4, The second shaft 21 is coupled to the other end seal 5 outside the second connecting piece 4.

Each of the end seals 5 includes a gasket 51, and the end seals 5 are respectively disposed at the outer ends (ends) of the first shaft 11 and the second shaft 21, and the first shaft 11 And the end of the second shaft 21 is provided with a thread, and therefore, the end seals 5 are implemented as anti-off nuts.

A first idler 14 meshing with the first gear 13 and a second idler 24 meshing with the second gear 23 are further pivotally connected between the first connecting piece 3 and the second connecting piece 4, and The first idler 14 is in turn meshed with the second idler 24 to form a linked relationship. The technical feature of the present invention is that a set of slots 131, 141, 231 and 241 are recessed in the radial direction of the first gear 13, the first idler 14, the second gear 23 and the second idler 24. Further, a continuous S-shaped radial pressure elastic member 6 made of an elastic material, such as a metal wire, is sleeved on the gears 13, 23 and the socket grooves 131, 231 of the idle gears 14, 24, On 141 and 241. That is, the radial pressure elastic members 6 respectively form an upper buckle 61, a first relay sleeve 62 and a second relay sleeve 63 at positions corresponding to the socket grooves 131, 141, 231 and 241. And a buckle 64.

The hollow aperture of the upper buckle 61 is slightly smaller than the axial diameter of the socket 131 of the first gear 13, and the hollow aperture of the lower buckle 64 is slightly smaller than the axis of the sleeve 231 of the second gear 23. And a line segment of the upper buckle 61 is wrapped over the half of the sleeve groove 131 of the first gear 13 , and the line segment of the lower buckle 64 also covers the sleeve groove 231 of the second gear 23 . More than half a week in order to increase the meshing force between the gears 13, 23 and the idlers 14, 24 and the idlers 14, 24, as for the first relay sleeve 62 and the second relay sleeve The line segment covering of 63 is not limited, that is, the line segments of the first relay sleeve 62 and the second relay sleeve 63 are wrapped over half of the respective corresponding socket grooves 141, 241, or For partial coating, for example, it is equal to or smaller than the half circumference of each of the socket grooves 141, 241; and the subsequent line segment coating manner corresponding to the plurality of relay sleeves of the plurality of socket grooves, and so on.

In other embodiments, an even number of the idler pulleys 14, 24 may be further engaged, such as a third idler pulley and a fourth idler pulley. The first idler pulley 14 is engaged with the third idler pulley. The second idler gear 24 meshes with the fourth idler gear, the third idler gear and the fourth idler gear are engaged, and the third idler gear and the fourth idler gear are also respectively provided with a set of slots; and the radial direction The positions of the sleeves corresponding to the third idler and the fourth idler respectively form a third relay sleeve and a fourth relay sleeve, thereby increasing the between the idlers The meshing force.

In order to provide a more flexible assembly of the gears 13, 23, the idler pulleys 14, 24 and the radial pressure elastic member 6, an embodiment thereof is shown in Figures 2 and 3, the upper buckle The sleeve sleeve is disposed on the sleeve groove 131 of the first gear 13 , and the lower sleeve 64 is sleeved on the sleeve groove 231 of the second gear 23 , and the sleeve groove of the first idler 14 is further The sleeve 141 is nested toward the first relay sleeve 62, and the sleeve groove 241 of the second idler pulley 24 is inserted into the second relay sleeve 63 (shown in FIG. 2), so that the gears 13 23, and the idler pulleys 14, 24 are combined by the radial pressure elastic member 6 into a unit body (shown in FIG. 3); however, it is not limited to the foregoing embodiment, and another equivalent embodiment of the combination is: After the sleeve groove 131 of the first gear 13 is inserted into the upper sleeve 61, the socket 141 of the first idler 14 is first inserted into the first relay sleeve 62, and then The sleeve groove 241 of the second idler pulley 24 is inserted into the second relay sleeve 63, and finally the sleeve groove 231 of the second gear 23 is inserted into the lower sleeve 64, in other words, the reverse direction can also be selected. First from the socket 2 of the second gear 23 31 is inserted into the lower buckle 64, and is sequentially carried out in this manner; or an equivalent further embodiment is: selectively connecting the first idler 14 and the sleeve groove 141 of the second idler 24 After the 241 is inserted into the first relay sleeve 62 and the second relay sleeve 63, respectively, the sleeve gears 131 and 231 of the first gear 13 and the second gear 23 are respectively inserted into the sleeve. The buckle 61 and the lower buckle 64.

All the combinations of the gears 13 and 23, the idler pulleys 14, 24 and the radial pressure elastic member 6 are favorable for the gears 13, 23 to be smoothly inserted into the first and second shafts 11, 21, and one end of the idler pulleys 14, 24 is pivotally connected to the first connecting piece 3, and then the second connecting piece 4 is inserted into the first and second shafts 11, 21, so that The other end of the idler pulleys 14, 24 is pivotally connected to the second connecting piece 4 to facilitate the quick assembly of the hinge.

The first front end hole 31 and the second front end hole 32 of the first connecting piece 3 are axially arranged in a plurality of first oil storage holes 33 arranged in an annular shape and accommodated by the lubricating oil to provide The first gear 13 and one end surface of the second gear 23 are lubricated. Similarly, the first rear end hole 41 and the second rear end hole 42 of the second connecting piece 4 are axially arranged in a plurality of second oil storage holes arranged in an annular shape and accommodated by the lubricating oil. 43. Providing lubrication for the other end face of the first gear 13 and the second gear 23.

Furthermore, at least one of the shafts 11, 21, for example, the first shaft 11 passes through the first rear end hole 41 of the second connecting piece 4, and the second shaft 21 passes through the After the second rear end hole 42 of the second connecting piece 4, the first shaft 11 and the second shaft 21 are respectively disposed with a limiting piece 7 coupled thereto, and each of the limiting pieces 7 is radially protruded. a fan-shaped stopper 71, and a side surface of the second connecting piece 4 adjacent to each of the limiting pieces 7, for example, an outer side surface corresponding to a predetermined closed or reverse overlapping angle of the rotation path of each of the stoppers 71 A stop 44 is protruded. Therefore, when the two end edges of the stopper 71 of each of the limiting pieces 7 respectively abut against the stopper 44 of the second connecting piece 4, the first mandrel 1 and the second mandrel 2 are represented. Rotating to the preset closed, reverse stacking angle, such as 0 degree, 180 degree limit, the closed, reverse stacking respectively means that the screen of the clamshell electronic device is 0 degree cover with respect to the body After the 阖 state, or after being rotated to 360 degrees, the superimposed state in which the screen and the body are oppositely opposite each other is referred to as closed and reverse stacked in the following.

In particular, the hinge further includes a positioning mechanism 8. As shown in FIG. 1 and FIG. 4, the positioning mechanism 8 includes a positioning member 81 and at least one rotating member 82. The positioning member 81 is disposed on the second connection. The outer side of the sheet 4, and the at least one limiting piece 7 is sandwiched by the second connecting piece 4, so that the at least one limiting piece 7 becomes a friction element; wherein the positioning member 81 corresponds to the first shaft 11 and the After the first shaft 811 and the second hole 812 are respectively traversed by the second shaft 21, at least one of the shafts 11, 21, for example, the first shaft 11 and the second shaft The rods 21 are respectively disposed with the rotating member 82, and the first and second through holes 811 and 812 of the positioning member 81 are disposed opposite to the abutting surface of the at least one rotating member 82. 813 and at least one pair of positioning protrusions 821; wherein the at least one rotating member 82 is located between the positioning member 81 and the end seal 5.

When the hinge is in the closed or reverse stacked state, the pair of positioning protrusions 821 form a contact pattern with the outer surface of the positioning member 81, and when the rotating member 82 is rotated to a predetermined angle (support angle), for example At 105 degrees, the pair of positioning grooves 813 are engaged by the pair of positioning protrusions 821, thereby forming a positioning effect when supporting. In addition, a source of the torsion (elastic force) of the positioning mechanism 8 is provided. Therefore, between the rotating member 82 and the end seal 5, a first one for the first shaft 11 and the second shaft 21 is further provided. The elastic member 52 can be implemented as a plurality of elastic pieces 521 or at least one spring (not shown). The elastic pieces 521 have curved surfaces, and the curved surfaces of the elastic pieces 521 are stacked in a front and back manner. Combine to form better elasticity.

After the hinge is assembled via the aforementioned members, its three-dimensional shape is as shown in FIG. 5, and FIG. 6 shows an even number of meshing between the first gear 13 and the second gear 23 along the line AA of FIG. A cross-sectional view of the idler pulley, such as the first idler pulley 14 and the second idler pulley 24, as is apparent from the figures, the radial pressure resilient member 6 is directly snapped into the gears 13, 23 and the idlers The sleeves 131, 231, 141, and 241 are separately disposed in the sleeves 14, 24, and the upper sleeve 61 and the lower sleeve 64 are respectively buckled into the corresponding sleeve grooves 141, 241, respectively. Slightly distracting to form an elastic force, thereby respectively tightly covering the corresponding sleeve grooves 141, 241, and respectively limiting the first gear 13 and the second gear 23 to reduce the looseness caused by the gap. After the rest of the relay sleeves are respectively buckled into the respective corresponding sockets 141 and 241, the radial pressure elastic members 6 can directly directly engage the gears 13 and 23 and the idler pulleys 14 . And 24 form a radial elastic pressure action to increase the meshing force between the gears 13, 23 and the idler pulleys 14, 24 and the idler pulleys 14, 24.

Although the gears 13, 23 can be tightly gripped by the upper and lower buckles 61, 64 before the operation, in order to prevent the radial pressure elastic members 6 from being detached from the gears 13, 23 during operation. And the idler pulleys 14, 24, the solution is to cover the sleeve groove 131 of the first gear 13 and the second gear 23 by respectively covering the line segments of the upper buckle 61 and the lower buckle 64 The half of the sleeve groove 231 is more than half of the sleeve, so that when the buckle is deformed by the operation of the gear or the idler, the gear and the idler can be restrained by the radial pressure elastic member 6. In the buckle, for example, the radial pressure elastic member 6 is sequentially divided into the upper buckle 61, the first relay sleeve 62, the second relay sleeve 63 and the lower sleeve from top to bottom. After the first mandrel 1 is turned over by 0 degrees, the upper buckle 61 of the radial pressure elastic member 6 will frictionally with the first gear 13 and be slightly opened. However, the first gear 13 is still grasped by the elastic force to force it to closely mesh with the first idler 14, and the first relay sleeve 62 of the radial pressure elastic member 6 The first idler 14 generates friction and is slightly tightened to reduce the looseness caused by the gap, so that the gap between the first gear 13 and the first idler 14 and the idling and shaking caused by the gap can be reduced. In the case, and the implementation of the first relay sleeve 62 and the second relay sleeve 63, the second relay sleeve 63 and the lower buckle 64, and the reverse rotation, Reducing gaps, idling, and shaking between the adjacent first gear 13 and the first idler 14, the first idler 14 and the second idler 24, and the second idler 24 and the second gear 23 situation.

Referring to FIG. 7 to FIG. 9 , in order to prevent foreign matter from falling into the backlash of the gears 13 , 23 and the idlers 14 , 24 , the rotation of the first connecting piece 3 to the end seal 5 is prevented. A protective casing 9 is disposed outside, and a partition 91 is disposed inside the protective casing 9 to partition a gear formed by the first connecting piece 3, the gears 13, 23 and the idlers 14, 24 The second connecting piece 4, the at least one limiting piece 7, the positioning mechanism 8, the elastic member 52 and a content chamber 92 accommodated by the end seal 5, and a connecting member 921, for example, a screw The protective member 9 is wrapped around the member of one end of the hinge by the spacer 91 and the second connecting piece 4 or the positioning member 81 of the positioning mechanism 8.

The protective casing 9 further partitions an outer chamber 93 in the opposite direction of the content chamber 92. The outer chamber 93 is accommodated and positioned by a joint member 94 having a pair of arms 941, and at least one wire A is provided. For example, the power cord and the signal cable are fastened to the mating arm 941 by a wire fixing member 95, so that the wire A can protrude from the upper side and the lower side of the wire fixing member 95 as shown in FIGS. 8 and 9. And connect the screen and the body separately to form an electrical connection. The connecting member 921 is passed through the engaging member 94 and the partitioning member 91, and is locked to the second connecting piece 4 or the positioning member 81 of the positioning mechanism 8. Inside the outer chamber 93.

In addition, the free ends of the docking arms 941 are oppositely disposed opposite to each other, and a pair of flanges 951 are disposed on the two sides of the wire fixing member 95 corresponding to the pair of flanges 951 corresponding to the pair of the blocking pieces 942. The wire fixing member 95 is prevented from coming out axially from the engaging member 94. Furthermore, the wire fixing member 95 is preferably a tube made of a polymer elastic material, such as rubber, and an elongated groove 952 is formed in the inner side of the wire to facilitate the passage of the at least one wire A from the groove 952. The wire holder 95 is inserted into the wire.

Therefore, through the implementation of the present case, the effectiveness of the gain of the hinge is compared with the prior art, the radial pressure elastic member of the present case is directly sleeved on all the gears and the idler, instead of the prior art only two The idler wheel exerts an indirect pressure, so as a result of indirect pressure, so that the idler of the prior art still has a gap with the adjacent gear and idling and sloshing. Therefore, the anti-backlash of the hinge of the present case The effect of the phenomenon is more direct and comprehensive. In particular, the radial pressure elastic member has a connection function for connecting the gears and the idlers to facilitate rapid assembly, since the radial pressure elastic members themselves can be elastically adjusted for the gears and the The idler wheels are respectively buckled in, so that the gears and the idlers can be assembled into a single unit body during assembly to facilitate subsequent assembly work, which is a great structure that has never been seen before.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

1‧‧‧First mandrel
11‧‧‧First shaft
12‧‧‧First Connection
121‧‧‧Fixed holes
13‧‧‧First gear
131‧‧‧ socket
14‧‧‧First idler
141‧‧‧ socket
2‧‧‧Second mandrel
21‧‧‧Second shaft
22‧‧‧Second connection
221‧‧‧Fixed holes
23‧‧‧second gear
231‧‧‧ socket
24‧‧‧second idler
241‧‧‧ socket
3‧‧‧First connecting piece
31‧‧‧First front end hole
32‧‧‧Second front end hole
33‧‧‧First oil storage hole
4‧‧‧Second connection piece
41‧‧‧First rear end hole
42‧‧‧second rear end hole
43‧‧‧Second oil storage hole
44‧‧ ‧block
5‧‧‧End seals
51‧‧‧shims
52‧‧‧Flexible components
521‧‧‧Shrap
6‧‧‧ Radial pressure elastic parts
61‧‧‧Upper buckle
62‧‧‧First relay buckle
63‧‧‧Second relay buckle
64‧‧‧Under buckle
7‧‧‧Limited film
71‧‧‧stops
8‧‧‧ Positioning mechanism
81‧‧‧ positioning parts
811‧‧‧ first perforation
812‧‧‧Second perforation
813‧‧‧ positioning groove
82‧‧‧Rotating parts
821‧‧‧ positioning bumps
9‧‧‧Protection shell
91‧‧‧Baffle
92‧‧‧Content Room
921‧‧‧Connecting parts
93‧‧‧ Exterior room
94‧‧‧Joint parts
941‧‧‧
942‧‧‧Block
95‧‧‧Wire fixings
951‧‧‧Flange
952‧‧‧"
A‧‧‧Wire

In order to further reveal the specific technical content of this case, first refer to the drawings, in which: Figure 1 is an exploded perspective view of the two-axis interlocking hinge device of the present invention; Figure 2 is the pressing member and the first gear, the first idler, and the first FIG. 3 is a perspective view of the first idler and the second gear combined with the first gear, the first idler, the second idler and the second gear, and is mounted on the first shaft and Fig. 4 is a perspective view of the cam member of the present invention; Fig. 5 is a perspective view of the two-axis interlocking hinge assembly of the present invention; Fig. 6 is a sectional view taken along line AA of Fig. 5; An exploded perspective view of the two-axis interlocking hinge and the protective case; FIG. 8 is a perspective view of the dual-axis interlocking hinge and the protective case of the present invention; and FIG. 9 is a cross-sectional view of FIG. 8 taken along line BB.

11‧‧‧First shaft

13‧‧‧First gear

131‧‧‧ socket

14‧‧‧First idler

141‧‧‧ socket

21‧‧‧Second shaft

23‧‧‧second gear

231‧‧‧ socket

24‧‧‧second idler

241‧‧‧ socket

3‧‧‧First connecting piece

6‧‧‧ Radial pressure elastic parts

61‧‧‧Upper buckle

62‧‧‧First relay buckle

63‧‧‧Second relay buckle

64‧‧‧Under buckle

Claims (12)

A two-axis interlocking hinge includes: a first mandrel having a first shaft that is non-circular in cross section, the first shaft is threaded with a first connecting piece, and a first gear and a second connecting piece linked by the first shaft; a second mandrel having a second shaft having a non-circular cross section in the axial direction, the second shaft pening a first connecting piece, a second gear and the second connecting piece that are interlocked with the second shaft, and the first shaft and the second shaft are respectively outside the second connecting piece Combining an end seal; wherein the first connecting piece and the second connecting piece are pivotally connected to a first idler engaged with the first gear, and a second idler engaged with the second gear a wheel, the first idler gear is in turn engaged with the second idler to form a linkage, and the gear and the idler are each recessed in a radial direction; and a continuous S-shaped radial direction a pressure elastic member corresponding to the gear wheel and the socket groove position of the idler wheel respectively forming a set that is buckled into each of the sleeve grooves So as to increase the gear ratio between the idler and each of the idler and engaging force. The two-axis interlocking hinge according to claim 1, wherein the idler gear further engages an even number of idlers, and the even number of idlers are each recessed in a radial direction; The positions of the sleeves corresponding to the even number of idlers of the radial pressure elastic members respectively form a set of buckles that are buckled into the sleeve grooves. The two-axis interlocking hinge according to claim 1, wherein the radial pressure elastic member is made of a metal wire elastic material; the radial pressure elastic member includes an upper sleeve and a lower sleeve. The hollow holes of the upper buckle and the lower buckle are each slightly smaller than the axial diameters of the corresponding sleeve grooves. The double-axis interlocking hinge according to claim 3, wherein the line segment of the upper buckle covers more than half of the sleeve groove of the first gear, and the line segment of the lower buckle Covering the sleeve groove of the second gear for more than half a week. The two-axis interlocking hinge according to claim 1, wherein the first connecting piece is provided with a first front end hole through which the first shaft is inserted and a second front end through which the second shaft is inserted a second front end hole axially opening a plurality of first oil storage holes arranged in an annular shape and accommodating the lubricating oil; and the second connecting piece is provided for the first shaft to be pierced by the first shaft The end hole and a second rear end hole through which the second shaft is bored are axially opened to form a plurality of second oil storage holes arranged in a ring shape and accommodated by the lubricating oil. The two-axis interlocking hinge according to claim 1, wherein at least one of the first shaft and the second shaft passes through the second connecting piece and wears a limiting piece connected to the at least one of the shafts, wherein the limiting piece radially protrudes from a limiting block, and a side of the second connecting piece adjacent to the limiting piece corresponds to the stop A stop is protruded from the rotating path of the blocking according to a preset closed or reverse overlapping angle. The dual-axis interlocking hinge according to claim 6, further comprising a positioning mechanism, the positioning mechanism comprising a positioning member and at least one rotating member, wherein the positioning member is disposed on the second connecting piece The outer side of the outer connecting piece and the second connecting piece jointly sandwich the limiting piece; at least one of the first shaft and the second shaft passes through the positioning member and wears The rotating member is coupled to the at least one of the shafts, and the positioning member is disposed opposite to the abutting surface of the rotating member with at least one pair of positioning grooves and at least one pair of positioning protrusions. The dual-axis interlocking hinge of claim 7, wherein the rotating member is located between the positioning member and the end seal; and further between the rotating member and the end seal An elastic element is provided for the first shaft and the second shaft to pass through. The double-axis linkage type hinge according to claim 7, wherein the first connecting piece to the outer side of the end seal is sleeved with a protective shell, and the protective shell is internally provided with a partition for the area. Separating a content chamber for the gear and the idler, and passing a connecting member through the partition and locking the second connecting piece or the positioning member. The dual-axis interlocking hinge according to claim 9, wherein the protective casing further partitions an outer chamber in a direction opposite to the content chamber, the outer chamber being provided with a pair of arms An engaging member is received and positioned, and at least one wire is threaded through the wire fixing member to be attached to the connecting arm, so that the wire can protrude laterally from above and below the wire fixing member. The dual-axis interlocking hinge according to claim 10, wherein the connecting member passes through the engaging member and the partition, and is locked to the second connecting piece or the positioning member. a fixing member is fixed in the outer chamber; and a free end of the connecting arm is oppositely disposed with a pair of blocking pieces, and two sides of the wire fixing member are protruded corresponding to the position of the blocking piece. The pair of flanges abutting the flaps prevent the wire fixing members from coming out axially from the engaging members. The two-axis interlocking hinge according to claim 11, wherein the wire fixing member is a pipe body made of a polymer elastic material, and an inner side thereof is radially opened for the wire to penetrate the wire fixing. An elongated section in the piece.