TWM501088U - Three-axle geared hinge assembly and electric device using the same - Google Patents

Description

Triaxial gear type pivot assembly and electronic device using same 【0001】

The present invention relates to a pivot assembly, and more particularly to a three-axis gear type pivot assembly and an electronic device using the same.

【0002】

With the maturity of touch screen technology, there are many electronic devices, especially portable devices, which are normally configured with a touch screen, such as a notebook computer that can function as a tablet computer, including a first board and The second plate. The first board is, for example, an upper cover on which a touch screen is mounted, and the second board is, for example, a base on which computer components, a battery, and a keyboard are mounted. In order to allow the notebook computer to operate as a tablet computer, it is necessary to convert the screen into a first panel with the screen facing outward, and the first panel and the second panel are closed together to form a tablet-like aspect. . In order to achieve the above object, the prior art generally adopts a dual-shaft gear type pivot assembly, which includes a first shaft, a second shaft and a gear structure, and the first shaft and the second shaft are respectively connected to the first plate body of the electronic device and The second plate body, by the design of the gear structure, the first shaft and the second shaft can be synchronously rotated between 0 degrees and 360 degrees, thereby providing the first plate body and the second plate body at 0 to 360 degrees. Synchronous rotation.

[0003]

The purpose of the present invention is to propose a three-axis gear type pivot assembly and an electronic device using the same, the three-axis gear type pivot assembly also providing the first plate body and the second plate body of the electronic device at 0 degrees. Synchronous rotation between 360 degrees.

[0004]

In order to achieve the above object, the present invention proposes a three-axis gear type pivot assembly, comprising a first shaft, a second shaft, a third shaft, a first bracket member, a second bracket member, a first linkage member and a second Linkage. The first axis, the second axis, and the third axis are disposed in parallel with each other. The first carrier member includes a first gear, and the first gear is pivotally disposed on the first shaft. The second carrier member includes a second gear, and the second gear is pivotally disposed on the second shaft. The first linking member includes a first linking gear and a first pipe body fixed to one end of the first linking gear. The first linking gear is pivotally disposed on the third shaft and meshes with the first gear, and the first pipe body is pivoted on the second shaft . The second linking member includes a second linking gear and a second pipe body fixed to one end of the second linking gear. The second linking gear is pivoted on the third shaft and meshes with the second gear, and the second pipe body is pivoted on the first shaft. .

[0005]

In an embodiment of the present invention, the triaxial gear type pivot assembly further includes a first connecting piece and a second connecting piece. The first connecting piece and the second connecting piece are disposed in parallel with each other. The two ends of the first connecting piece are respectively pivoted on the first axis and the third axis, and the two ends of the second connecting piece are respectively pivoted on the second axis and the third axis.

[0006]

In an embodiment of the present invention, the first carrier member, the second carrier member, the first linking member and the second linking member are sandwiched between the first connecting piece and the second connecting piece.

【0007】

In an embodiment of the present invention, one end of the first shaft is provided with a first stopping portion, and the first gear is abutted against the first stopping portion. One end of the second shaft is provided with a second stopping portion, and the first tubular body abuts against the second stopping portion. One end of the third shaft is provided with a third stopping portion, and the first linking gear is abutted against the third stopping portion.

[0008]

In an embodiment of the present invention, the triaxial gear type pivot assembly further includes at least one torque assembly. The total torque is set on the first axis or the second axis. The torsion assembly includes an elastic member and a fixing member. The elastic member is sandwiched between the fixing member and the second pipe body or between the fixing member and the second gear.

【0009】

In an embodiment of the present creation, the torsion assembly further includes two spacers. One of the two gaskets is sandwiched between the elastic member and the fixing member, and the other gasket is sandwiched between the elastic member and the second tubular body or between the elastic member and the second gear.

[0010]

In an embodiment of the present invention, the triaxial gear type pivot assembly further includes a first connecting piece, a second connecting piece, and at least one torque assembly. The first connecting piece and the second connecting piece are disposed in parallel with each other. The total torque is set on the first axis or the second axis. The torsion assembly includes an elastic member and a fixing member. The first connecting piece is pivotally disposed on the first shaft and is sandwiched between the first stopping portion and the first gear, and the other end of the first connecting piece is pivotally disposed on the third shaft and sandwiched between the third stopping portion and the first Between the interlocking gears, one end of the second connecting piece is pivoted on the second shaft and sandwiched between the second gear and the elastic member, and the other end of the second connecting piece is pivoted on the third shaft and abuts against the second interlocking gear. The elastic member is sandwiched between the fixing member and the second tube body or between the fixing member and the second connecting piece.

[0011]

In an embodiment of the present invention, the torsion assembly further includes two gaskets, one of the two gaskets is sandwiched between the elastic member and the fixing member, and the other gasket is sandwiched between the elastic member and the second tube. Between the bodies or between the elastic member and the second connecting piece.

[0012]

The present invention further provides an electronic device including a first plate body, a second plate body, and a three-axis gear type pivot assembly as described above. The first frame member further includes a first fixing arm fixed to one end of the first gear, the first fixing arm is connected to the first plate body, and the second frame member further includes a second fixing fixed to one end of the second gear. The arm and the second fixed arm are connected to the second plate body.

[0013]

The three-axis gear type pivot assembly of the present invention uses three axes of the first shaft, the second shaft and the third shaft, and links the first bracket member, the second bracket member, the first linkage member and the second linkage The pieces are respectively pivoted on the first to third shafts, except that the first carrier member and the second carrier member are synchronously rotatable between 0 degrees and 360 degrees, thereby allowing the electronic device using the pivot assembly The first plate member and the second plate member are synchronously rotated between 0 degrees and 360 degrees, and further, the first frame member, the second frame member, the first linking member and the second linking member are interlocked with each other. The pivot assembly and the electronic device using the same have the advantage of smooth rotation operation.

[0014]

The above and other objects, features and advantages of the present invention will become more apparent and understood.

[0032]

10‧‧‧Three-axis gear type pivot assembly

11‧‧‧First axis

111‧‧‧First stop

12‧‧‧second axis

121‧‧‧Second stop

13‧‧‧ Third axis

131‧‧ Third stop

21‧‧‧First frame parts

211‧‧‧First gear

212‧‧‧First fixed arm

22‧‧‧Second carrier parts

221‧‧‧second gear

222‧‧‧Second fixed arm

31‧‧‧First linkage

311‧‧‧First linkage gear

312‧‧‧First tube

32‧‧‧Second linkage

321‧‧‧Second linkage gear

322‧‧‧Second body

41‧‧‧First connecting piece

411, 412‧‧‧ shaft hole

42‧‧‧Second connection piece

421, 422‧‧‧ shaft hole

50‧‧‧Torque assembly

51‧‧‧Flexible parts

52‧‧‧Fixed parts

53‧‧‧shims

90‧‧‧Electronic devices

91‧‧‧First board

92‧‧‧Second plate

[0015]

FIG. 1 is a schematic diagram of an electronic device according to a preferred embodiment of the present invention.

2 is a schematic view (180 degree state) of a three-axis gear type pivot assembly according to a preferred embodiment of the present invention.

3 is an exploded view of a three-axis gear type pivot assembly of a preferred embodiment of the present invention.

4 is a schematic view (0 degree state) of a three-axis gear type pivot assembly according to a preferred embodiment of the present invention.

FIG. 5 is a schematic view (90 degree state) of a three-axis gear type pivot assembly according to a preferred embodiment of the present invention.

FIG. 6 is a schematic view (270 degree state) of a three-axis gear type pivot assembly according to a preferred embodiment of the present invention.

[0016]

Please refer to FIG. 1. FIG. 1 is a schematic diagram of an electronic device 90 according to a preferred embodiment of the present invention. In the embodiment, the electronic device 90 is a notebook computer that can function as a tablet computer, but is not limited thereto. The electronic device 90 includes a first plate body 91, a second plate body 92, and two triaxial gear type pivot assemblies 10. The first board body 91 is an upper cover on which a touch screen is mounted, and the second board body 92 is a base on which computer components, a battery and a keyboard are mounted, but is not limited thereto. The two pivot assemblies 10 are respectively connected to one side of the first plate body 91 and the second plate body 92 and are symmetrically disposed to each other. The first plate body 91 and the second plate body 92 can be relatively unfolded by the pivot assembly 10, and the deployment range thereof can be from 0 degrees to 360 degrees, wherein, at 0 degrees, the electronic device 90 is in a closed state, at 360 degrees. The electronic device 90 is in a state of simulating a tablet.

[0017]

Please refer to FIG. 2 and FIG. 3 again. FIG. 2 and FIG. 3 are respectively a schematic view and an exploded view of a three-axis gear type pivot assembly 10 according to a preferred embodiment. The pivot assembly 10 is used for pivoting. The first plate body 91 and the second plate body 92 are as shown in FIG. The pivot assembly 10 includes at least a first shaft 11, a second shaft 12, a third shaft 13, a first carrier member 21, a second carrier member 22, a first linkage member 31, and a second linkage member 32. The first shaft 11, the second shaft 12, and the third shaft 13 are disposed in parallel with each other. The first carrier member 21 includes a first gear 211 and a first fixed arm 212 fixed to one end of the first gear 211. The first gear 211 is pivotally disposed on the first shaft 11 and the first fixed arm 212 is coupled to the first plate 91. . The second carrier member 22 includes a second gear 221 and a second fixed arm 222 fixed to one end of the second gear 221 . The second gear 221 is pivotally disposed on the second shaft 12 , and the second fixed arm 222 is coupled to the second plate 92 . . The first linkage member 31 includes a first linkage gear 311 and a first tubular body 312 fixed to one end of the first linkage gear 311. The first linkage gear 311 is pivotally disposed on the third shaft 13 and engages the first gear 211. The first tube The body 312 is pivotally disposed on the second shaft 12. The second linkage 32 includes a second linkage gear 321 and a second tubular body 322 fixed to one end of the second linkage gear 321 . The second linkage gear 321 is pivotally disposed on the third shaft 13 and engages the second gear 221 , and the second tube The body 322 is pivoted to the first shaft 11 .

[0018]

When assembling, the first gear 211 of the first carrier member 21 is sleeved on the first shaft 11, and the first linkage gear 311 of the first linkage member 31 and the first tubular body 312 are respectively sleeved on the third shaft. The shaft 13 and the second shaft 12 respectively sleeve the second interlocking gear 321 and the second tubular body 322 of the second linking member 32 on the third shaft 13 and the first shaft 11, and finally the second bracket member 22 The second gear 221 is sleeved on the second shaft 12 . After assembly, the first gear 211 of the first bracket member 21 needs to intermesh with the first interlocking gear 311 of the first linkage member 31, and the second gear member 221 of the second bracket member 22 needs to be coupled with the second linkage member 32. The second interlocking gears 321 are meshed with each other. Moreover, the first gear 211 and the second tubular body 322 have a larger diameter than the first shaft 11 , so that the first shaft 11 can be rotated as an axis after the sleeve, that is, the first gear 211 and the second tube 322 . The first pipe body 312 and the second gear wheel 221 are larger in diameter than the second shaft 12, so that the second shaft 12 can be rotated as an axis after the sleeve, that is, the first pipe body 312 and the first pipe body The second gear 221 is pivotally disposed on the second shaft 12; the diameters of the first interlocking gear 311 and the second interlocking gear 321 are larger than the diameter of the third shaft 13, so that the third shaft 13 can be rotated as an axis after the sleeve is set, that is, the first linkage The gear 311 and the second interlocking gear 321 are pivotally mounted on the third shaft 13 .

[0019]

In addition, a first stop portion 111 may be disposed at one end of the first shaft 11 , a second stop portion 121 may be disposed at one end of the second shaft 12 , and a third stop portion 131 may be disposed at one end of the third shaft 13 . After the assembly, the first gear 211 of the first carrier member 21 abuts the first stopping portion 111, and the first tube body 312 and the first linking gear 311 of the first linking member 31 respectively abut the second stopping portion 121 and It is abutted against the third stopper 131.

[0020]

The pivot assembly 10 can also include a first tab 41 and a second tab 42. The first connecting piece 41 and the second connecting piece 42 are disposed in parallel with each other. The two ends of the first connecting piece 41 are respectively pivoted on the first shaft 11 and the third shaft 13 , and the two ends of the second connecting piece 42 are respectively pivoted on the second shaft 12 and the third shaft 13 . Thereby, the first connecting piece 41 and the second connecting piece 42 can stabilize the distance between the first shaft 11, the second shaft 12, and the third shaft 13. Preferably, the first carrier member 21, the second carrier member 22, the first linking member 31 and the second linking member 32 are sandwiched between the first connecting piece 41 and the second connecting piece 42. The connecting piece 41 and the second connecting piece 42 can also stabilize the meshing connection between the first frame member 21 and the first linking member 31, the second carrier member 22 and the second linking member 32, and can stabilize the first An abutting connection between the carrier member 21 and the second linking member 32, and between the first linking member 31 and the second bracket member 22.

[0021]

Specifically, the first connecting piece 41 is provided with shaft holes 411 and 412 at both ends thereof, and the hole diameters of the shaft holes 411 and 412 are larger than the diameters of the first shaft 11 and the third shaft 13 respectively, so that the shaft hole 411 is sleeved on the first shaft. 11 can rotate the first shaft 11 as an axis, and the shaft hole 412 is sleeved on the third shaft 13 and can rotate the third shaft 13 as an axis, that is, both ends of the first connecting piece 41 are supported by the shaft holes 411 and 412 They are pivotally disposed on the first shaft 11 and the third shaft 13, respectively. The two ends of the second connecting piece 42 are provided with shaft holes 421 and 422, and the diameters of the shaft holes 421 and 422 are larger than the diameters of the second shaft 12 and the third shaft 13, respectively, so that the shaft hole 421 is sleeved on the second shaft 12 and can be second. The shaft 12 is rotated by the shaft center, and the shaft hole 422 is sleeved on the third shaft 13 and the third shaft 13 is rotated as an axis, that is, the two ends of the second connecting piece 42 are respectively pivoted by the shaft holes 421 and 422 The second shaft 12 and the third shaft 13. In addition, one end of the first connecting piece 41 (with a shaft hole 411) is sandwiched between the first stopping portion 111 and the first gear 211, and the other end of the first connecting piece 41 (provided with the shaft hole 412) is clamped to the third end. Between the blocking portion 131 and the first interlocking gear 311. One end of the second connecting piece 42 (the shaft hole 421 is provided) is abutted against the second gear 221 , and the other end of the second connecting piece 42 (the shaft hole 422 is provided) is abutted against the second interlocking gear 321 .

[0022]

The pivot assembly 10 can also include two torsion assemblies 50. The two torsion assemblies 50 are respectively sleeved on the first shaft 11 and the second shaft 12. Each of the torsion assemblies 50 includes at least an elastic member 51 and a fixing member 52. In the torsion assembly 50 of the first shaft 11, the elastic member 51 and the fixing member 52 are sleeved on the first shaft 11, and the elastic member 51 is sandwiched between the fixing member 52 and the second tube 322; The fixing member 52 can maintain the spacing between the second tube 322 and the second tube 322 and force the elastic member 51 to abut against the second tube 322, so that the elastic member 51 exerts a certain pressure on the second tube 322 to a certain extent. The friction force causes the second tubular body 322 to be subjected to a certain degree of torque to be rotated. In the torsion assembly 50 sleeved on the second shaft 12, the elastic member 51 is sandwiched between the fixing member 52 and the second gear 221, but if the second connecting piece 42 is present, the elastic member 51 is clamped to the fixing member. Between the second connecting piece 42 and the second connecting piece 42 , the second connecting piece 42 is disposed between the second gear 221 and the elastic member 51; thereby, the fixing member 52 can maintain the second and second connecting pieces 42 The spacing between the gears 221 forces the elastic member 51 to continue against the second gear 221 (or indirectly against the second gear 221 by the second connecting piece 42), so that the elastic member 51 directly applies a certain pressure to The second gear 221 (or indirectly applies a certain pressure to the second gear 221 by applying a certain pressure to the second connecting piece 42) to generate a certain degree of friction, so that the second gear 221 needs to be subjected to a certain degree of friction. The degree of torque is able to rotate.

[0023]

Each torque assembly 50 can also include two spacers 53 that can be used to reduce wear between the components. In the torque assembly 50 sleeved on the first shaft 11, the two spacers 53 are sleeved on the first shaft 11, wherein a spacer 53 is sandwiched between the elastic member 51 and the fixing member 52, and the other spacer 53 The clip is sandwiched between the elastic member 51 and the second tube body 322. In the torque assembly 50 sleeved on the second shaft 12, the two spacers 53 are sleeved on the second shaft 12, wherein a spacer 53 is sandwiched between the elastic member 51 and the fixing member 52, and the other spacer 53 Between the elastic member 51 and the second gear 221, if the second connecting piece 42 is present, the other spacer 53 is sandwiched between the elastic member 51 and the second connecting piece 42. One end of the connecting piece 42 (with a shaft hole 421) is sandwiched between the second gear 221 and the spacer 53.

[0024]

The following describes how the triaxial gear type pivot assembly 10 of the present invention rotates synchronously between 0 and 360 degrees. Please refer to FIG. 4, FIG. 5, FIG. 2 and FIG. 6 respectively, which are schematic diagrams of the three-axis gear type pivot assembly 10 in the state of 0 degree, 90 degree, 180 degree and 270 degree, respectively.

[0025]

First, as shown in FIG. 4, the first fixed arm 212 and the second fixed arm 222 of the pivot assembly 10 are at an angle of 0 degrees, and accordingly, the first plate of the electronic device 90 using the pivot assembly 10 is used. 91 and the second plate body 92 are also 0 degrees as shown in FIG. 1, and the pivot assembly 10 or the electronic device 90 is said to be at 0 degree. When the user pulls the second plate 92 to rotate clockwise relative to the first plate 91, the second plate 92 drives the second fixed arm 222 connected thereto to rotate clockwise, so that the second fixed arm 222 The fixed second gear 221 rotates clockwise, and the clockwise rotation of the second gear 221 drives the second interlocking gear 321 that meshes with it to rotate counterclockwise, so that the second gear 221 rotates clockwise around the second interlocking gear 321 . The second shaft 12 pivoted by the second gear 221 is rotated clockwise about the third shaft 13 pivoted by the second interlocking gear 321 , so that the first tube 312 pivoted to the second shaft 12 is pivoted. The first interlocking gear 311 disposed on the third shaft 13 rotates clockwise. Since the first tubular body 312 is fixed to the first interlocking gear 311, the first interlocking gear 311 rotates clockwise with the third shaft 13 as an axis. The clockwise rotation of the first interlocking gear 311 causes the first gear 211 meshed with it to rotate counterclockwise, and the first gear 211 drives the first fixed arm 212 fixed thereto to rotate counterclockwise, and then the first fixed arm 212 drives The first plate 91 connected thereto rotates counterclockwiseMoreover, the clockwise rotation of the first interlocking gear 311 drives the first gear 211 meshed with it to rotate counterclockwise, and the first gear 211 rotates counterclockwise around the first interlocking gear 311, causing the first gear 211 to be pivoted. The first shaft 11 is rotated counterclockwise about the third shaft 13 pivoted by the first interlocking gear 311, so that the second tube 322 pivoted on the first shaft 11 is pivoted to the third shaft 13 The second interlocking gear 321 rotates counterclockwise. Since the second tubular body 322 is fixed to the second interlocking gear 321 , the second interlocking gear 321 is driven to rotate counterclockwise with the third shaft 13 as an axis, and further assists by the meshing second gear 221 . The second fixed arm 222 and the second plate body 92 connected thereto rotate clockwise.

[0026]

In the design, the first gear 211 and the second gear 221 have the same number of teeth. The first interlocking gear 311 and the second interlocking gear 321 have the same number of teeth. When the user pulls the second plate 92 to rotate clockwise around the third axis 13 by an angle. When the first bracket member 21, the second bracket member 22, the first linkage member 31 and the second linkage member 32 are interlocked with each other, the first plate member 91 is rotated counterclockwise around the third shaft 13 Angle, so that the user can easily open the first plate body 91 and the second plate body 92; similarly, when the user pulls the first plate body 91 to rotate counterclockwise by an angle about the third axis 13, by The mutual engagement of the first carrier member 21, the second carrier member 22, the first linkage member 31 and the second linkage member 32 also drives the second plate body 92 to rotate clockwise about the third axis 13 by the same angle. Therefore, the pivot assembly 10 of the present invention and the electronic device 90 using the same have the advantage of smooth rotation operation. In addition, it is to be noted that since the first carrier member 21 and the second carrier member 22 are interlocked with each other, the torque assembly 50 can be only one set and sleeved on one of the first shaft 11 and the second shaft 12. When the user pulls the second plate body 92 and/or the first plate body 91 shown in FIG. 1 to open at a relative angle of 90 degrees, the first fixed arm 212 and the second fixed arm as shown in FIG. 4 are obtained. 222 is opened to a relative angle of 90 degrees and becomes as shown in FIG. 5, and the pivot assembly 10 or the electronic device 90 is said to be in a 90 degree state.

[0027]

As shown in FIG. 5, in the state of the pivot assembly 10 or the electronic device 90 at 90 degrees, the user can pull the second plate 92 to rotate clockwise around the third axis 13 to drive the second fixed arm 222 to rotate clockwise. The second gear 221 rotates clockwise, the second interlocking gear 321 rotates counterclockwise, and the second gear 221 rotates clockwise around the second interlocking gear 321 , so that the second shaft 12 rotates clockwise around the third shaft 13 , thereby driving the first The tubular body 312 rotates clockwise around the first interlocking gear 311 to rotate the first interlocking gear 311 clockwise with the third shaft 13 as an axis, the first gear 211 rotates counterclockwise, and the first fixed arm 212 rotates counterclockwise, first The fixed arm 212 drives the first plate 91 to rotate counterclockwise about the third shaft 13, and then the first fixed arm 212 and the second fixed arm 222 are further opened to a relative angle of 180 degrees (the first plate 91 and the second plate 92). Further opening to a relative angle of 180 degrees) becomes as shown in FIG. 2, and the pivot assembly 10 or the electronic device 90 is said to be in a 180 degree state. Of course, in the state of 90 degrees as shown in FIG. 5, the user can change the first plate 91 to rotate counterclockwise around the third axis 13, or simultaneously pull the second plate 92 around the third axis 13 Rotating clockwise and pulling the first plate 91 counterclockwise around the third shaft 13 to further open the first fixed arm 212 and the second fixed arm 222 to a relative angle of 180 degrees (the first plate 91 and the second The plate body 92 is further opened to a relative angle of 180 degrees) to become as shown in FIG.

[0028]

In addition, in the state of the pivot assembly 10 or the electronic device 90 shown in FIG. 5, the user can pull the second plate 92 to rotate counterclockwise around the third shaft 13 to drive the second fixed arm 222 counterclockwise. Rotation, the second gear 221 rotates counterclockwise, the second interlocking gear 321 rotates clockwise, and the second gear 221 rotates counterclockwise about the second interlocking gear 321 , so that the second shaft 12 rotates counterclockwise about the third shaft 13 , thereby driving the second A tubular body 312 rotates counterclockwise around the first interlocking gear 311 to rotate the first interlocking gear 311 counterclockwise with the third shaft 13 as an axis, the first gear 211 rotates clockwise, and the first fixed arm 212 rotates clockwise. A fixed arm 212 drives the first plate 91 to rotate clockwise around the third axis 13, and then the first fixed arm 212 and the second fixed arm 222 become opposite angles of 0 degrees (the first plate 91 and the second plate 92 become The relative angle is 0 degrees or closed), which becomes as shown in FIG. 4 (or the closed state shown in FIG. 1). Of course, in the state of 90 degrees as shown in FIG. 5, the user can change the first plate 91 to rotate clockwise around the third axis 13, or simultaneously pull the second plate 92 around the third axis 13 Rotating counterclockwise and pulling the first plate body 91 clockwise around the third shaft 13 to change the first fixed arm 212 and the second fixed arm 222 to a relative angle of 0 degrees (the first plate body 91 and the second plate body) 92 becomes a relative angle of 0 degrees or closed), and becomes as shown in FIG. 4 (or a closed state as shown in FIG. 1).

[0029]

As shown in FIG. 2, in the 180 degree state of the pivot assembly 10 or the electronic device 90, the user can pull the second plate 92 to rotate clockwise around the third axis 13 and/or pull the first plate 91. Rotating counterclockwise about the third axis 13 to further open the first fixed arm 212 and the second fixed arm 222 to a relative angle of 270 degrees (the first plate 91 and the second plate 92 are further opened to a relative angle of 270 degrees) ), as shown in FIG. 6, the pivot assembly 10 or the electronic device 90 is said to be in a 270 degree state. In addition, in a state of 180 degrees as shown in FIG. 2, the user can pull the second plate 92 to rotate counterclockwise about the third shaft 13 and/or rotate the first plate 91 to rotate clockwise around the third axis 13. The first fixed arm 212 and the second fixed arm 222 are brought into a relative angle of 90 degrees (the first plate body 91 and the second plate body 92 become opposite angles of 90 degrees), as shown in FIG.

[0030]

As shown in FIG. 6, in the state where the pivot assembly 10 or the electronic device 90 is at 270 degrees, the user can pull the second plate 92 to rotate clockwise around the third axis 13 and/or pull the first plate 91. Rotating counterclockwise about the third axis 13 to further open the first fixed arm 212 and the second fixed arm 222 to a relative angle of 360 degrees (the first plate 91 and the second plate 92 are further opened to a relative angle of 360 degrees) , similar to that shown in FIG. 4, the pivot assembly 10 or the electronic device 90 is said to be in a 360-degree state, and the first plate body 91 and the second plate body 92 are folded back and back to each other to form a tablet-like state. kind. In addition, in a state of 270 degrees as shown in FIG. 6, the user can pull the second plate 92 to rotate counterclockwise about the third shaft 13 and/or rotate the first plate 91 to rotate clockwise around the third axis 13. The first fixed arm 212 and the second fixed arm 222 are brought into a relative angle of 180 degrees (the first plate body 91 and the second plate body 92 become opposite angles of 180 degrees), as shown in FIG. 2 .

[0031]

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of protection is subject to the definition of the scope of the attached patent application.

10‧‧‧Three-axis gear type pivot assembly

11‧‧‧First axis

111‧‧‧First stop

12‧‧‧second axis

121‧‧‧Second stop

13‧‧‧ Third axis

131‧‧ Third stop

21‧‧‧First frame parts

211‧‧‧First gear

212‧‧‧First fixed arm

22‧‧‧Second carrier parts

221‧‧‧second gear

222‧‧‧Second fixed arm

31‧‧‧First linkage

311‧‧‧First linkage gear

312‧‧‧First tube

32‧‧‧Second linkage

321‧‧‧Second linkage gear

322‧‧‧Second body

41‧‧‧First connecting piece

411, 412‧‧‧ shaft hole

42‧‧‧Second connection piece

421, 422‧‧‧ shaft hole

50‧‧‧Torque assembly

51‧‧‧Flexible parts

52‧‧‧Fixed parts

53‧‧‧shims

Claims (9)

[Item 1] A three-axis gear type pivot assembly includes:
a first shaft, a second shaft and a third shaft, the first shaft, the second shaft and the third shaft are arranged parallel to each other;
a first carrier member includes a first gear, the first gear is pivotally disposed on the first shaft;
a second carrier member includes a second gear, the second gear is pivotally disposed on the second shaft;
a first linking member includes a first linking gear and a first pipe body fixed to one end of the first linking gear, the first linking gear is pivotally disposed on the third shaft and meshes with the first gear, the first gear a second body is disposed on the second shaft; and a second linking member includes a second linking gear and a second pipe body fixed to one end of the second linking gear, wherein the second linking gear is pivoted The third shaft engages the second gear, and the second tube is pivoted to the first shaft. [Item 2] The three-axis gear type pivot assembly of claim 1, further comprising a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are arranged in parallel with each other, the first The two ends of the connecting piece are respectively pivoted on the first axis and the third axis, and the two ends of the second connecting piece are respectively pivoted on the second axis and the third axis. [Item 3] The three-axis gear type pivot assembly of claim 2, wherein the first carrier member, the second carrier member, the first linkage member and the second linkage member are clamped to the first Between a connecting piece and the second connecting piece. [Item 4] The three-axis gear type pivot assembly of claim 1, wherein one end of the first shaft is provided with a first stopping portion, the first gear is opposite to the first stopping portion, and the second One end of the shaft is provided with a second stopping portion, the first tubular body abuts the second stopping portion, and a third stopping portion is disposed at one end of the third shaft, and the first interlocking gear is opposite to the third stopping portion . [Item 5] The three-axis gear type pivot assembly of claim 4, further comprising at least one torque assembly, the torque is always set on the first shaft or the second shaft, and the torque assembly comprises an elastic And a fixing member, the elastic member is sandwiched between the clamping member and the second tubular body or between the fixing member and the second gear. [Item 6] The three-axis gear type pivot assembly of claim 5, wherein the torque assembly further comprises two washers, wherein one of the two spacers is sandwiched between the elastic member and the fixed member The two spacers are sandwiched between the elastic member and the second tube or sandwiched between the elastic member and the second gear. [Item 7] The three-axis gear type pivot assembly as described in claim 4, further comprising:
a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are arranged in parallel with each other; and at least one torque assembly, the torque is always set on the first axis or the second axis, The torque assembly includes an elastic member and a fixing member;
The first connecting piece is pivotally disposed on the first shaft and is sandwiched between the first stopping portion and the first gear. The other end of the first connecting piece is pivotally mounted on the third shaft and is clamped thereto. Between the third stopping portion and the first linking gear, one end of the second connecting piece is pivotally disposed on the second shaft and sandwiched between the second gear and the elastic member, and the other end of the second connecting piece is pivoted And the third axis and the second interlocking gear;
The elastic member is sandwiched between the fixing member and the second tube body or between the fixing member and the second connecting piece. [Item 8] The three-axis gear type pivot assembly of claim 7, wherein the torque assembly further comprises two washers, wherein one of the two spacers is sandwiched between the elastic member and the fixed member The two spacers are sandwiched between the elastic member and the second tube or sandwiched between the elastic member and the second connecting piece. [Item 9] An electronic device comprising:
A first plate body and a second plate body; and the triaxial gear type pivot assembly according to any one of claims 1 to 8, wherein the first frame member further comprises a first fixing arm fixed to one end of the first gear, the first fixing arm is connected to the first plate body, and the second receiving frame further comprises a second fixing arm fixed to one end of the second gear, the second A fixed arm connects the second plate.